|Electric lamp and discharge devices: systems patents - Monitor Patents|
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Electric lamp and discharge devices: systems February patent applications/inventions, industry category 02/13Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 02/28/2013 > 62 patent applications in 37 patent subcategories. patent applications/inventions, industry category
20130049581 - Novel organic compound and organic light emitting element using the same: An organic compound represented by the following general formula  is provided. In the general formula , R1 to R3 are each independently selected from the group consisting of a hydrogen atom, a fluorine group, an alkyl group having 1 to 4 carbon atoms, and an aryl group, the aryl... Agent: Canon Kabushiki Kaisha
20130049582 - Portable lighting device: A portable electronic lighting device and a method for controlling a portable lighting device are described. The device has a switched-mode power supply, a light source, a high frequency switch, a controller controlling the operation of the light source and a user interface for inputting commands to the controller. A... Agent: Mag Instrument Inc.
20130049583 - Indicator lamp lighting circuit for vehicle: If a state to be informed occurs during an on-state of an ignition switch of a vehicle, a first and a second switching transistor are turned on by a control signal of a signal line, and an indicator lamp is lighted by power from a meter power supply. In addition,... Agent: Yazaki Corporation
20130049584 - System and method for non-linear dimming of a light source: In one embodiment, a light dimming module is disclosed. The light dimming module has a dimming engine coupled to a digital input interface and an output interface. The dimming engine is configured to provide a N-segment piecewise linear exponential digital control signal, and the output interface is configured to control... Agent: Infineon Technologies Austria Ag
20130049585 - Daytime running lame (drl) control system: A daytime running lamp (DRL) controller for controlling power to a light source of a vehicle includes a switch, an engine starting-up detector and a switch control circuit. The switch is coupled to the light source. The engine starting-up detector is coupled to the switch, and generates a trigger signal... Agent:
20130049587 - Lighting control device for vehicle headlamp, and vehicle headlamp system: To avoid glaring a front vehicle that appears in a curved road ahead of a subject vehicle. A lighting control device for a headlamp of a vehicle includes: a lamp determining unit determining whether there is one light emitted from a lamp of a target vehicle, based on an image... Agent: Stanley Electric Co., Ltd.
20130049586 - Lighting device, headlamp lighting device, and headlamp unit and vehicle having same: A lighting device includes: a power conversion unit which converts a direct current (DC) power into a power required by a load; an output current detection unit which detects an output current of the power conversion unit; and a source voltage detection unit which detects a source voltage. Further, the... Agent: Panasonic Corporation
20130049588 - Method for determining an illumination range of at least one headlight and method for calibrating a light emission of at least one headlight of a vehicle: A method for determining an illumination range of at least one headlight of a vehicle includes a step of detecting at least one road-marking feature, which is illuminated by the at least one headlight, a step of ascertaining a distance between the vehicle and the at least one illuminated road-marking... Agent:
20130049589 - Driver circuit for dimmable solid state light source: A driver circuit for a dimmable solid state light source, and devices such as lamps and fixtures incorporating the same, and methods of driving such sources, are provided. A supply voltage circuit provides a supply voltage to a power factor controller circuit, such that the supply voltage is maintained within... Agent: Osram Sylvania Inc.
20130049590 - Emergency illumination system based on led combined led lamps: The present invention is providing an emergency illumination system based on combined LED lamps, comprising: combined LED lamps, a power driver of the lamps, an electromagnetic sensors, an emergency controller, a storage battery and an emergency charger; said external power supply, electromagnetic sensors, power driver of the lamps and conventional... Agent:
20130049591 - Fluorescent lamp support: Modular light fixtures and methods for constructing modular light fixtures are provided. A modular light fixture in one embodiment comprises a first end section having a first housing and a first lamp holder, a second end section having a second lamp holder, and a ballast located in an interior of... Agent: Leviton Manufacturing Company, Inc.
20130049592 - Method for controlling synchronization of pulsed plasma by applying dc power: A method for controlling synchronization of pulsed plasma by applying a DC power is provided. The method includes repeatedly generating and extinguishing the plasma by adjusting an ON-period and an OFF-period of a pulsed RF power being applied to a source electrode part. And the method also includes alternately applying... Agent: Research & Business Foundation Sungkyunkwan University
20130049593 - High frequency plasma generation system and high frequency plasma ignition device using the same: In a high frequency plasma generation system, a magnetic resonance section is provided as a frequency multiplier section between a discharge circuit and a power booster circuit. The magnetic resonance section extracts from a fundamental wave of a predetermined frequency generated by a frequency generator higher harmonic components, which are... Agent: Nippon Soken, Inc.
20130049594 - Electric axial-flow fan having turbine type waterproof enclosure and application thereof: The present invention provides an electric axial-flow fan having turbine type waterproof enclosure, which is rainproof and installed at the top portion of sealed heat dissipation housing of a high power lamp, so when the electric axial-flow fan is operated, the airflow passes through the top portion of lamp housing,... Agent:
20130049598 - Led lamp: An LED lamp includes LED chips, a translucent cover housing the LED chips, a motion sensor unit, a condensing lens, and a power unit. The motion sensor unit includes a light receiving element for light of a predetermined wavelength. The lens condenses light of the predetermined wavelength onto the light... Agent: Rohm Co., Ltd.
20130049595 - Led lighting apparatus with a high efficiency convective heat sink: An LED lighting apparatus including an LED chip having at least one LED, a light reflector configured to direct light emitted by the LED at a predetermined direction and dispersion angle, a heat sink including a mounting base and cooling fins extending from a first side of the mounting base... Agent:
20130049597 - Method and device for dynamically controlling heat dissipation of an alternating current light-emitting diode driving circuit: A method for dynamically controlling heat dissipation of an AC LED driving circuit has steps of connecting multiple voltage-controlled transistors and a current detection unit in series to a power loop having an LED unit, connecting a resistive element between each adjacent two of the voltage-controlled transistors to constitute multiple... Agent:
20130049596 - System for operating an led light source: The invention relates to a system for operating an LED-based light source which system comprises an operating device that is designed to transform the input-side mains voltage to a supply voltage, and a control unit for the light source, which control unit is connected to the operating device and operates... Agent: Zumtobel Lighting Gmbh
20130049599 - Driver circuit for efficiently driving a large number of leds: A circuit can be used for controlling a plurality of LEDs coupled in series. A switching converter operates as a current source coupled to the plurality of LEDs to provide a constant load current thereto. The switching converter includes an inductor coupled in series with the plurality of LEDs such... Agent: Infineon Technologies Ag
20130049600 - Lighting device and method of controlling light emitted thereby: A lighting device and a method of controlling a light emitted thereby are disclosed. A lighting device including light emitting units configured of a plurality of light emitting diodes connected with each other in series according to the present invention may include a rectifier unit configured to rectify an alternation... Agent:
20130049601 - Method for operating a hf ignition system: The invention relates to a method for operating a HF ignition system, wherein electrical energy for generating a corona discharge is fed with a voltage pulse into the HF ignition system and a series of measured values of an electrical variable is measured during the voltage pulse, and the measured... Agent:
20130049604 - Alternating current light-emitting diode lamp adaptive to ambient luminance: An AC LED lamp adaptive to ambient luminance has a lamp shell, an LED lamp board, an LED driving circuit and a luminance sensor. The LED lamp board, the LED driving circuit and the luminance sensor are mounted inside the lamp shell and are electrically connected to each other. The... Agent: Luxul Technology Incorporation
20130049605 - Methods for communication between a lighting node and a controller: A method for communication between a lighting node and a controller is described. One embodiment of the method includes transmitting a command from the controller based on a target illumination profile stored on the controller to the lighting node utilizing a controller radio device and receiving the command from the... Agent: Lumenetix, Inc.
20130049603 - Modularized led lamp: A modularized LED lamp is disclosed. Embodiments of the present invention provide an LED lamp in which digital and/or analog communication takes place between the LED module and the power supply unit (PSU) of the lamp. A controller in the LED module sends signals to the PSU, allowing separation of... Agent: Cree, Inc.
20130049602 - Tunable white luminaire: A system provides white light having a selectable spectral characteristic (e.g. a selectable color temperature and intensity) using a combination of sources (e.g. LEDs) emitting light of four, five, or six different characteristics, for example, one or more white LEDs, and one or more LEDs of each of three primary... Agent: AblIPHolding LLC
20130049607 - Controller, method of controlling illumination, and network system: A controller includes a communication interface for communicating with at least one illumination and a plurality of home appliances; a memory for storing a corresponding relationship between the plurality of home appliances and a lighting up scheme of the illumination; and a processor for obtaining, upon receiving a signal from... Agent: Sharp Kabushiki Kaisha
20130049606 - Method for open-loop and closed-loop control of a lighting busway: A method for open-loop and closed-loop control of a lighting busway with a primary luminaire and at least one secondary luminaire for an interior space, involves measuring a brightness at the location of the primary luminaire, determining a primary ambient light percentage for the primary luminaire, determining a secondary ambient... Agent: Siemens Aktiengesellschaft
20130049608 - Adaptive optics system for harmonization and balanced lighting in information displays: A system for adaptively controlling and adjusting the output and balance of multiple integrated illuminated panels may include a plurality of illumination sources in operative connection with a plurality of integrated illuminated panels, the plurality of illumination sources being disposed within a vehicle cockpit. The system may also include a... Agent: Eaton Corporation
20130049609 - Solar powered light having 3d enhanced lens: An aesthetic and practical solar powered light fixture that has a 3D enhanced lens. In one embodiment, the fixture is an independent light capable of being moved to any outdoor position where the fixture will receive sunlight. The solar powered fixture does not require wires to be run or buried... Agent:
20130049610 - Two-level led security light with motion sensor: A two-level LED security light with a motion sensor. At night, the LED is turned on for a low level illumination. When the motion sensor detects any intrusion, the LED is switched from the low level illumination to a high level illumination for a short duration time. After the short... Agent:
20130049611 - Family of current/power-efficient high voltage linear regulator circuit architectures: Power efficient power supply regulator circuits are disclosed. The circuits are configured to modify their overhead current according to current load. This is particularly advantageous for use in display devices with widely varying current loads. Such displays include bi-stable displays, such as interferometric modulation displays, LCD displays, and DMD displays.... Agent: Qualcomm Mems Technologies, Inc.
20130049612 - Led device, led driving circuit and method: A light-emitting diode (LED) driving circuit includes an LED control circuit and a power stage circuit. The LED control circuit shifts an input pulse width modulation (PWM) signal toward a higher frequency direction in a frequency domain to generate an output PWM signal having a duty cycle substantially the same... Agent: Novatek Microelectronics Corp.
20130049613 - Resonant network for reduction of flicker perception in solid state lighting systems: An apparatus and method for reducing the perception of flicker of solid state light sources. An alternating current (AC) signal is passed through an AC conditioning circuit and a passive resonating circuit before being supplied to a string of solid state light sources, such as light emitting diodes.... Agent: Express Imaging Systems, LLC
20130049614 - Led driver apparatus: A Light Emitting Diode (LED) driver apparatus is provided. The LED driver apparatus includes: a Pulse Width Modulation (PWM) signal generator configured to generate a PWM signal, a DC-DC converter configured to provide a driving voltage of a plurality of LED arrays by using the generated PWM signal, and a... Agent: Magnachip Semiconductor, Ltd.
20130049615 - Lighting device and method of controlling light emitted thereby: A lighting device and a method of controlling a light emitted thereby are disclosed. A lighting device according to the present invention includes a rectifier unit configured to rectify an alternation current voltage to supply the rectified voltage to each of light emitting units, the light emitting units configured of... Agent:
20130049616 - Display apparatus using a backlight: The instant application describes a display apparatus that includes a display panel configured to display an image; and a backlight unit configured to illuminate the display panel from a back of the display panel. The backlight unit includes: N light-emitting diode strings connected in parallel with each other, each of... Agent:
20130049618 - Adaptive circuit: The invention describes an adaptive circuit (1, 1′) for driving a lower-voltage DC load (2) from a rectified higher-voltage AC supply (3), which adaptive circuit (1, 1′) comprises a charge-storage circuit (21, 21′), which charge storage circuit (21, 21′) comprises a first capacitor (C1) and a second capacitor (C2) connected... Agent:
20130049617 - Load compensation for an electronic transformer in a led illumination system: The invention relates to a light emitting diode (LED) illumination system, and more particularly, to systems, devices and methods of rapidly ramping up a transformer current and a LED driver current by coupling a transformer load compensation circuitry to an output of an electronic transformer. A bridge rectifier is coupled... Agent: Maxim Integrated Products, Inc.
20130049619 - Device and method for using high efficiency ballasted lamps with electronic transformer: An approach is provided for devices and methods for using high efficiency ballasted lamps with an electronic transformer, especially for the replacement of traditional halogen lamps from the existing fixtures. The method comprises acts of synchronizing a reference signal to a voltage corresponding to an AC voltage from an AC... Agent:
20130049620 - Illumination apparatus and power supply circuit: In order to offer a power supply circuit that can minimize the drop in efficiency by reducing losses during voltage conversion, in an improved-power factor circuit, a control circuit performs a step-up operation in which a control signal for turning on a first switching element (Tr1) and switching a second... Agent: Sharp Kabushiki Kaisha
20130049621 - Circuits and methods for driving light sources: A driving circuit includes a converter, a transformer, a first sensor and a second sensor. The converter is coupled to a switch that operates in a first state or in a second state. The converter receives an input voltage and provides a regulated voltage. The transformer transforms the regulated voltage... Agent: O2micro Inc.
20130049625 - Discharge-lamp lighting device: A lighting device has a direct-current power generation circuit, a rectangular-wave generation circuit, a pulse generating circuit, lamp-voltage detection means, and pulse-generation command means. The direct-current power generation circuit generates direct-current power from external power. The rectangular-wave generation circuit converts the direct-current power to rectangular-wave alternating-current power. The pulse generating... Agent: Eye Lighting Systems Corporation
20130049623 - Led drive circuit and led driving method: An LED drive circuit of the present invention carries out, by use of a DC-to-DC converter, light control of an LED. The light control is carried out, in a region where a light control level is equal to or greater than a certain light control level, by a DC light... Agent:
20130049624 - Lighting device: A lighting device has a power-factor correction circuit 6, a step-down chopper circuit 8, a full-bridge circuit 10, control ICs for these circuits and a driving-voltage supply circuit 14. The supply circuit 14 supplies a driving voltage to the control ICs. The control IC outputs the on/off driving voltage to... Agent: Eye Lighting Systems Corporation
20130049622 - Load current management circuit: A circuit includes a switching power converter and a load current management circuit. The switching power converter provides a first current that varies between a first current value and a second current value in response to a dimming control signal. The load current management circuit provides a second current that... Agent: Power Integrations, Inc.
20130049626 - Method and apparatus for led lighting: Aspects of the disclosure provide a circuit. The circuit includes a first switch, a second switch and a controller. The first switch is switched on and off to allow a boost circuit to transfer electric energy from an input power supply to a capacitor to generate an intermediate power supply... Agent:
20130049627 - Segmented electronic arc lamp ballast: Described herein are segmented electronic ballasts for a high power are lamp, such as a High Intensity Discharge (“HID”) lamp, capable of drop-in replacement of a pre-existing magnetic ballast and methods of use thereof. In certain aspects, the segmented electronic ballasts described herein include a first housing containing a driver... Agent:
20130049628 - Current-switching led driver using dac to ramp bypass currents to accelerate switching speed and reduce ripple: A light-emitting diode (LED) driver provides faster rise and fall times for LED current to reduce image sticking and other interference. A standard DC-DC converter provides a sum current that is slowly ramped up and down by a bypass current digital-to-analog converter (DAC). A digital value to the bypass current... Agent: Hong Kong Applied Science & Technology Research Institute Compnay Limited
20130049629 - Electronic ballast: An electronic ballast for driving a light-emitting device, includes a square wave generator having a plurality of switch elements for converting a DC input voltage into a square-wave AC voltage. A transformer has a driving winding and a plurality of inductive windings mutually connected with each other, in which at... Agent: Delta Electronics (shanghai) Co., Ltd.
20130049630 - Method for operating a high-pressure discharge lamp on the basis of a low frequency square wave operation and a partially high frequency operation for arc stabilization and color mixing: In various embodiments, a method for operating a high-pressure discharge lamp is provided. The method may include: during a first time slice, a voltage is applied to the high-pressure discharge lamp at a first frequency and said voltage is modulated with a second frequency and a first modulation level, during... Agent: Osram Ag
20130049631 - Led lamp with variable dummy load: A minimum operating point of a dimmer is detected, and power is directed away from an LED when a setting of the dimmer approaches the minimum operating point, thereby extending a range of the dimmer.... Agent:
20130049633 - Illumination system relating to light-emitting-diode lamps: An illumination system at least including a first light-emitting-diode (LED) lamp and a first driving device with a communication function is provided. The first driving device is coupled to the first LED lamp, and is configured to receive a first control signal corresponding to the first LED lamp via wired... Agent: Fsp Technology Inc.
20130049632 - Light emitting device package, lighting device and lighting system comprisng the same: A light emitting device package is provided that includes at least two light emitting device; and a lead unit electrically connected to the light emitting device, and supplying electric power from an outside to the light emitting device, wherein at least two light emitting devices among the light emitting devices... Agent:
20130049635 - Lighting system for growing plants: A lighting system includes a first LED array which includes a plurality of LED sub-arrays, and a plurality of inputs operatively coupled to a corresponding LED sub-array through a controller. The intensity of light emitted by the LED sub-arrays is adjustable in response to adjusting input signals provide by the... Agent:
20130049634 - Method and system for controlling solid state lighting via dithering: A method that discusses the control of a solid state lighting (SSL) device using a dimmer switch. Wherein the signal supplied by the dimmer switch is at first filtered and following that the supplied signal is run trough a dithering function. The supplied signal and the modified supplied signal, via... Agent: Lumastream Canada Ulc
20130049637 - Control device with adjusting pulse width modulation function and the backlight module thereof: A voltage converter with a sampling-hold and integrating circuit is provided herein. According to the minimum different value generated by the practical status of each of the illuminant channels in the LED backlight module, the sampling-hold and integrating circuit will generate an superposition voltage and the voltage converter can output... Agent:
20130049636 - Electronic device for controlling lighting effects using an audio file: An electronic device is provided, which comprises one or more light groupings, each light grouping including one or more light sources, and audio processing circuitry adapted for interpreting an audio file. The audio file includes one or more instrument definitions exclusively assigned to a corresponding one of the one or... Agent: Motorola Mobility, Inc.
20130049639 - Light source apparatus: A constant-current power source unit has a variable power source which can adjust an output voltage. To detect a voltage applied to the gas discharge tube, a voltage detection unit is provided. A power source controlling unit configured to control the voltage by adding a predetermined voltage to the voltage... Agent: Shimadzu Corporation
20130049638 - Method for identifying rated power of hid lamp: A method for identifying a rated power of a HID lamp includes the steps of: outputting a first driving signal and a second driving signal to drive the HID lamp in order, and calculating a first electric characteristic variation of the HID lamp; and identifying the rated power of the... Agent: Industrial Technology Research Institute
20130049640 - Mirror electroluminescent display panel: A mirror electroluminescent display panel includes an array substrate, a plurality of driving devices, a plurality of electroluminescent devices, and a cover substrate. The driving devices and the electroluminescent devices are disposed on the array substrate. Each electroluminescent device includes a first electrode electrically connected to the corresponding driving device,... Agent:
20130049642 - Display: A display having a first substrate and a second substrate parallel to each other, a cathode layer, a plurality of electroluminescences, a plurality of anodes, and a driving circuit is provided. The first substrate has a first surface. The second substrate has a second surface and a third surface opposite... Agent: Htc Corporation
20130049641 - Proximity sensor calibration: The subject matter disclosed herein relates to proximity sensors to measure distance from a surface, and more particularly, calibrating proximity sensors to adjust for various reflecting surfaces.... Agent: Qualcomm Incorpoated02/21/2013 > 23 patent applications in 21 patent subcategories. patent applications/inventions, industry category
20130043788 - Controllable versatile led system: The present invention relates to the development of a method and system for manufacturing and deploying light emitting diode (“LED”) technology in a highly efficient manner. Devices of the invention include a printed circuit board with a heat sink and at least one LED insertion site and optionally a wireless... Agent:
20130043789 - Screw-in led bulb: An LED-based light can include a highly thermally conductive base having multiple radially outward projecting nodes. The nodes can be spaced apart in an axial and circumferential directions of the base. The base can include recessed channels between the nodes to enable airflow in multiple directions about the base. An... Agent: Ilumisys, Inc.
20130043790 - System and apparatus for cathodoluminescent lighting: Electron sources for a cathodoluminescent lighting system are disclosed. An electron source is a broad-beam reflecting-type electron gun having a cathode for emitting electrons and a reflector and/or secondary emitter electrode and no grids. An alternative electron gun has a cathode having a heater welded to a disk, the disk... Agent: Vu1 Corporation
20130043791 - Unlit led circuit bypass element with system and method therefor: A lighting system and protection means are disclosed. In particular, a Zener diode with pre-selected characteristics is used in parallel with an LED such that current will continue to flow through the circuit in case of LED failure. This adaptation in turn may be used in a series string combination.... Agent: Q Technology, Inc.
20130043792 - Electrostatic discharge protection for luminaire: An apparatus for protecting a solid state retrofit lighting or illumination system from electrostatic discharge damage caused by charge induced onto conductive surfaces of the lighting or illumination system.... Agent: Express Imaging Systems, LLC
20130043793 - Lightning-proof ac led driving device: A lightning-proof AC LED driving device has a lightning detector breaker connected between a rectifier and an AC LED driver circuit. When lightning strikes, a high voltage enters the rectifier, and the anode and cathode of the rectifier are equipotential, making the lightning detection breaker automatically disconnect the AC LED... Agent: Luxul Technology Incorporation
20130043794 - Optical signal output of operating parameters with an led lighting unit: The invention relates to a lighting arrangement with an operating device (3) and with an LED light source (4) which is controlled by said operating device and which is formed by at least two LEDs (4a, 4b, 4c), which emit light of different colors and together emit a white total... Agent: Tridonic Gmbh & Co Kg
20130043795 - Lighting device controller programming: Various techniques are provided for programming lighting devices. In one example, a lighting device includes a light emitting diode (LED). The lighting device also includes a microcontroller configured to receive a programming signal generated by the LED in response to illumination of the LED with an externally-supplied light signal modulated... Agent: Surefire, LLC
20130043796 - Compensation circuit of organic light emitting diode: A compensation circuit of organic light emitting diode comprising a first capacitor, a second capacitor, a stabilizer unit, a third transistor, an organic light emitting diode and a driver unit. The stabilizer unit comprises a first transistor, a second transistor and a photodiode. The driver unit comprises a fourth transistor,... Agent: Hannstar Display Corp.
20130043797 - Lighting control systems and methods: Systems and methods for lighting control are disclosed. The system may include at least one lighting device providing illumination and a handheld unit coupled with the lighting device to control at least one of a controllable lighting state, a controllable lighting intensity, and a controllable lighting effect of the lighting... Agent: Industrial Technology Research Institute
20130043798 - Load driving circuit with charge spike protection: A load driving circuit comprises a converting circuit, a converting controller, a load driving modulator, and a charge spike protection circuit. The converting circuit is adapted to be coupled to an output power source and supplies a driving power source to drive a load. The converting circuit has an output... Agent:
20130043799 - Light engine with led switching array: An LED array switching apparatus comprises, on a single PCB substrate: a plurality of LED arrays D1 to Dn connected in series, each LED array having a forward voltage; an AC voltage supply coupled to the plurality of LED arrays; and a plurality of constant current sources G1 to Gn,... Agent: Huizhou Light Engine Ltd.
20130043800 - Power converter and a dimmable solid-state lighting device with the power converter: The present invention is directed to a power converter, which receives a rectified voltage converted by a rectifier that is coupled to receive an output of a dimmer. The power converter generates a direct-current output voltage according to the rectified voltage in a non-isolated switching boost mode, and the generated... Agent: Ge Investment Co., Ltd.
20130043801 - Lighting device: A lighting device includes a lighting part, a switching part and a luminance fine-tuning part. The lighting part at least includes a first light emitting diode unit for outputting light with a first color temperature and a second light emitting diode unit for outputting light with a second color temperature.... Agent:
20130043802 - Organic light emitting diode display device: This disclosure relates to a display device that compensates for a threshold voltage of a driving TFT, a voltage drop of a supply voltage source, and a mobility of the driving TFT. The display device can include a plurality of pixels. At least one pixel can include components such as... Agent: Lg Display Co. Ltd.
20130043803 - Method and system for driving organic led's: A method and system for driving an organic light emitting diode (OLED) with a regular LED driver without pre-charge are provided. In the examples, at least one passive element is included in parallel with the OLED across the output of the power supply. This passive element may be a capacitor.... Agent: AblIPHolding LLC
20130043804 - Power supply system: A power supply system includes an illumination circuit for receiving an AC voltage and a control circuit for receiving a DC voltage. The illumination circuit includes a first switch unit and at least one light emitting unit. The control circuit includes a first winding unit, a second switch unit, and... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd
20130043805 - System-voltage transmission branch of an interface of an operating device for light-emitting means: What is proposed is: an operating device for operating in particular a light-emitting means (12), having: —supply terminals (16, 17) for connecting the operating device to a supply voltage provided by a supply source (20), —output terminals (10) for controlling the light-emitting means (12), —an interface (21) for connection to... Agent:
20130043806 - Driver circuit particularly suited for lighting devices: Disclosed are various embodiments of driver circuits that operate to excite devices for light emissions therefrom regardless of the impedance ratings thereof. The driver circuits are particularly suited to service both low impedance light emitting diode lighting devices and high impedance halogen lamps.... Agent:
20130043807 - Lighting device control using variable inductor: Various techniques are provided for implementing a lighting device variable control using a variable inductor. In various examples, the variable control may be implemented with a plurality of continuous or stepped settings. The variable control may be adjusted by a user-actuated movement of a part of the lighting device, such... Agent: Surefire, LLC
20130043809 - Lighting node systems and methods: A lighting node is described. One embodiment of the lighting node includes a lamp, a radio device, and a memory. The lamp is configured for generating illumination. The radio device is configured for radio communication. The radio device is configured to remotely receive a color profile from the controller. The... Agent: Lumenetix, Inc.
20130043810 - Modified dimming led driver: A driver circuit produces variable current output for an LED lighting system providing improved dimming capability and greater power efficiency when responding to industry standard lighting dimmers, through the use of an input voltage monitoring circuit which variably controls the current output of a switching regulator. Output current modulation methods... Agent: Boca Flasher, Inc.
20130043808 - Multi-channel led driver circuit: Provided is a multi-channel LED driver circuit, including a power supply device for providing an independent voltage source; a plurality of regulating circuits connected to the power supply device and the light light-emitting diode arrays for receiving a voltage from the voltage source and providing a plurality of output currents... Agent: Delta Electronics (shanghai) Co., Ltd.02/14/2013 > 40 patent applications in 26 patent subcategories. patent applications/inventions, industry category
20130038209 - Photodetecting element, photodetecting device, and auto lighting device: To provide both a photodetecting element and a photodetecting device which can prevent generating of a plurality of current paths, and can detect with stability and high sensitivity regardless of a surface state instability of an optical absorption layer. The photodetecting element includes an optically transparent substrate, an optical absorption... Agent: Rohm Co., Ltd.
20130038210 - Device for supplying a plurality of led units with power: A device for supplying a plurality of LED units with power includes a common DC/DC converter which delivers a regulated output voltage and to which a plurality of sections are connected, each having a buck converter and an LED unit connected thereto, and means for regulating or setting the section... Agent:
20130038211 - Display device and led bar connection method thereof: Disclosed is a display device which includes a display panel, an LED bar configured to output a light to the display panel, and a source printed circuit board including a driver circuit driving the display panel and an LED driver circuit driving the LED bar, wherein the LED bar and... Agent:
20130038212 - Illumination device and display device including the same: An illumination device includes a light source in which a plurality of light emitting elements are arranged, a luminous intensity controller configured to control luminous intensities of the plurality of light emitting elements separately in groups of one or more light emitting elements, and a predetermined correction table indicating temperature... Agent: Sharp Kabushiki Kaisha
20130038213 - Led emitting device and driving method thereof: The present invention relates to an LED emitting device and a driving method thereof. The LED emitting device receives an input voltage and supplies a power supply voltage needed for operating an LED channel according to a switching operation of a power switch. The LED emitting device controls the power... Agent:
20130038214 - Electronic ballast capable of self-protection at natural or premature end of life of fluorescent light tube: The present invention is to provide an electronic ballast connected in parallel to two filaments of a fluorescent light tube, which comprises a controller for generating two output signals, two power switches being switched according to the output signals, a resonant circuit oscillating according to switching of the power switches... Agent: Skynet Electronic Co., Ltd.
20130038215 - Motion activated utility light: A utility light is provided. The utility light comprises a first array of light sources having a first color facing in a first direction, a second array of light sources having a second color facing in a second direction that substantially opposes the first direction, a motion sensor, and an... Agent:
20130038216 - Remote controlled electronic ballast with digital display: The present invention is a remote controlled electronic ballast, which preferably includes: a ballast, counter, scheduling timer, remote control, digital display screen, ignition control, and diagnostic circuitry. The counter preferably tracks the total hours in which the ballast has operated. This count may be displayed, if requested on the digital... Agent:
20130038219 - Dimmable lighting devices and methods for dimming same: In a single lighting device including a large number of light-emitting elements (LEEs), the LEEs are divided into separately powered groups, and different combinations of the groups are fully energized to achieve the desired overall brightness. In some embodiments, the number of LEEs in each group has a binary relationship... Agent:
20130038218 - Low voltage control systems and associated methods: A low voltage control system includes a controller having a plurality of switched power lines and a plurality of DC lighting loads. Each DC lighting load includes at least one DC lighting element. Each DC lighting load has an associated switch downstream from the controller that selectively connects the at... Agent: Enocean Gmbh
20130038220 - Method of driving an arc-discharge lamp: The invention describes a method of driving an arc-discharge lamp (1), which method comprises the steps of detecting a mechanically induced fluctuation in luminous flux of the lamp (1) occurring as a result of a physical displacement of the discharge arc (2), determining a characteristic (43, 51, 63) of the... Agent: Koninklijke Philips Electronics N.v.
20130038221 - Streetlight monitoring and control: A system and method for streetlight control is provided. A lamp sensor inside a reflector of the streetlight is utilized to detect the output of a lamp of the streetlight. During daytime periods when the lamp is OFF, the lamp sensor is utilized to act as a day/night sensor by... Agent:
20130038217 - Tiered sensing and resource allocation system for energy use optimization in commercial buildings: A building lighting control system includes a central building server, distributed zone controllers, and light sensors and control units in each zone. Using occupant lighting preferences, occupancy state, and light levels, each zone controller computes a utility curve which represents the relationship between energy use and service level in the... Agent:
20130038222 - Color temperature adjustment for led lamps using switches: A light-emitting diode (LED) lamp includes a number of different color LEDs that can be turned on and off in different combinations using an external switch operable by a user. A user or a controller can adjust the color temperature of light output by the lamp. The color temperature change... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20130038224 - Illumination apparatus methods and systems: The present invention provides apparatus and methods for controlling the illumination throughout an area where even and constant lighting is not required. The invention includes one or more light sources, such as luminaires, the status of which is controlled by a controller responsive to a sensor for detecting a parameter... Agent: Organic Response Pty Ltd
20130038223 - Image display device and light emission timing control method: An image display device includes: excitation light source (5), fluorescent screen (6) provided with a plurality of phosphor regions (61, 62, 63) that are arranged periodically in the in-plane direction, the regions between phosphor regions being retroreflective regions (64) that bend incident light in the direction opposite the direction of... Agent: Nec Corporation
20130038225 - Motion activated toilet bowl lighting device: A motion activated toilet bowl lighting device includes a body member having inner, outer, top, and bottom walls that define an interior area. The inner wall includes an inwardly annular configuration complementary to a toilet bowl rim outer surface. The lighting device includes an attachment arm displaced from the inner... Agent:
20130038226 - Plasma supply arrangement having quadrature coupler: A plasma supply arrangement for supplying power to a plasma load has a quadrature coupler which has at least one capacitance and at least one inductivity and which is suitable for coupling together two HF power signals of the same frequency which are phase-shifted relative to each other by 90°,... Agent: Huettinger Elektronik Gmbh + Co. Kg
20130038227 - Circuits and methods for driving led light sources: A driving circuit for controlling power of a light-emitting diode (LED) light source includes a transformer, a switch controller, and a dimming controller. The transformer has a primary winding that receives input power from an AC/DC converter and a secondary winding that provides output power to the LED light source.... Agent: O2micro, Inc.
20130038228 - Driver cicruit apparatus for an led string, light source apparatus and integrated circuit: A driver circuit apparatus for light emitting diodes comprises a current mirror (212) that includes a first branch for coupling to a first string of light emitting diodes (202), and a second branch for coupling to a second string of light emitting diodes (204). The apparatus also comprises a voltage... Agent:
20130038229 - Light-emitting device control circuit: In a control circuit for a light-emitting device, a reference voltage generation circuit detects a full-wave rectified voltage and generates a first voltage as well as generating a second voltage by converting the rectified voltage into a DC voltage. A voltage corresponding to a difference between the first voltage and... Agent: Semiconductor Components Industries, LLC
20130038230 - Method and apparatus to facilitate coupling an led-based lamp to a fluorescent light fixture: Methods and apparatus to facilitate coupling a light-emitting diode (LED)-based lamp to an electronic or inductive fluorescent light fixture (typically with ballast). An LED-based lamp may include circuitry that simulates an electrical behavior of a fluorescent lamp, and can be installed and operate in the fixture without any modification to... Agent: Nularis Inc.
20130038234 - Dimming regulator including programmable hysteretic down-converter for increasing dimming resolution of solid state lighting loads: A system providing deep dimming of a solid state lighting (SSL) load includes a hysteretic down-converter, a shunt switch, a controller and a comparator. The down-converter controls average current value and amplitude of ripple of SSL current using amplitude modulation (AM) dimming control. The shunt switch controls magnitude of the... Agent:
20130038233 - Led driver: A light-emitting diode (LED) driver is provided. The LED driver, providing a drive voltage for driving an LED circuit according to an input voltage, includes a current regulator, a dimming signal generator, and a boost converter. In response to a pulse width modulation (PWM) dimming signal, the current regulator enables... Agent: Raydium Semiconductor Corporation
20130038232 - Light unit and driving method thereof: A light unit includes: an integrated power (“IP”) board which receives power supply and converts the power supply into a high voltage and a supply voltage; a lamp; and a terminal board (“T board”) which receives the high voltage from the IP board to turn on the lamp, receives the... Agent: Samsung Electronics Co., Ltd.
20130038231 - Method and apparatus of controlling discharge lamp and discharge lamp system: A method and a device for controlling a discharge Lamp, and a discharge lamp system are disclosed herein. The method includes the operations of: when the lamp current changes, determining a percentage of change of the lamp current according to a synchronous signal and obtaining a second lamp current after... Agent: Delta Electronics (shanghai) Co., Ltd.
20130038236 - Dc/dc converter, control circuit thereof and lighting apparatus using the same: A control circuit of a DC/DC converter stabilizing driving a current while supplying a driving voltage to a load comprises a current detection circuit for comparing a current detection signal indicative of a current flowing through a switching transistor of the DC/DC converter with a predetermined threshold to generate an... Agent: Rohm Co., Ltd.
20130038235 - Driver of promoting pixel charging ability of thin film transistor and method thereof: Disclosed is related with a LCD technology, and particularly to a driver of promoting pixel charging ability of a thin film transistor and a method thereof. The driver of promoting pixel charging ability of a thin film transistor comprises a thin film transistor, a first capacitor and a second capacitor.... Agent: Shenzhen China Star Optoelectronics Technology Co., Ltd.
20130038237 - Ballasted lamp socket for a compact fluorescent lamp: A ballasted lamp socket for a gas discharge lamp, such as a compact fluorescent lamp, is adapted to replace an Edison screw-in lamp socket in a ceiling mounted light fixture, or a table or floor lamp. The ballasted lamp socket comprises a lamp-receiving portion adapted to be coupled to the... Agent: Lutron Electronics Co., Inc.
20130038238 - Pulsed operation of a discharge lamp: A discharge lighting assembly and a method of operating a discharge lamp 10 are described. The discharge lamp 10 includes a discharge vessel 20 with two electrodes 24 for forming an arc discharge. A driver circuit 12 supplies electrical power to the lamp 10 as an alternating lamp current IL... Agent: Koninklijke Philips Electronics N.v.
20130038240 - Background light effects led light fixture with light guided second light sources: at least one light guide comprising an input section and an output section, said light guide receives light generated by said second group of light sources at said input section and said transfer said received light to said output section, said output section being adapted to emit said received light... Agent: Martin Professional A/s
20130038239 - Lighting device controlling circuit module: The present invention relates to a lighting device controlling circuit module, comprising: a first bridge rectifier unit, a second bridge rectifier unit, a power factor correction unit, a controlling unit, a feedback unit, at least one switching unit, and at least one boost/buck unit. The lighting device controlling circuit module... Agent: Shenzhen Tention Optoectronics Co. Ltd.
20130038241 - Methods, apparatus and articles of manufacture to calibrate lighting units: A system and appertaining method calibrate a color LED light unit comprising at least first-, second-, and third-color LEDs, comprising: a) defining a target color on a color map to calibrate; b) selecting initial calibration coefficients associated with the target color; c) storing the initial or updated calibration coefficients in... Agent: B/e Aerospace, Inc.
20130038242 - Bias voltage generation using a load in series with a switch: A power supply includes a load connected in series with a switch. The power supply uses the load in series with the switch to maintain a substantially constant voltage. The voltage may be used as a voltage bias and supplied to a controller module that is used to control switching... Agent: Cree, Inc.
20130038243 - Current-controlled stages, constant current control systems, and current control methods for driving leds: Disclosure has current-controlling stages, backlight systems and control methods for driving LEDs. A disclosed current-controlling stage has a current controller and a feedback apparatus. The current controller is coupled to a light-emitting device, for making the driving current through the light-emitting device substantially a predetermined value. The current controller has... Agent: Leadtrend Technology Corporation
20130038244 - Lighting device: The disclosed lighting device gradually adjusts from an incandescent bulb color having a 30% dimming rate to a daylight color having a 100% dimming rate. The overall dimming rate is changed to a linear shape, and the ratio of the dimming rates of the incandescent bulb color and the daylight... Agent: Sharp Kabushiki Kaisha
20130038245 - Fast reigntion of a high intensity discharge lamp: Embodiments of the present invention provide for the rapid reignition of a high intensity discharge lamp. In one embodiment of the invention, an apparatus for a fast reigntion of a high intensity discharge lamp is disclosed. The apparatus is comprised of a ballast operatively coupled to the lamp that is... Agent: Lumetric Lighting, Inc.
20130038246 - Light-emitting device and manufacturing method for light-emitting device: A light-emitting device includes: a substrate; the metal film at the mounting region on the substrate; a light-emitting part including a plurality of light-emitting elements disposed on the metal film; metal members formed on the substrate, respectively including pad parts and wiring parts, forming a positive electrode and a negative... Agent: Nichia Corporation
20130038247 - Laser light source module: A laser light source module that does not emit laser light when taken out of a device or that does not emit laser light when the device is modified by removing a portion of the device is installed and used in a case and is provided with: a laser unit... Agent: Nec Corporation
20130038248 - Drift-tube linear accelerator: A drift-tube linear accelerator that passes an injected particle beam through inside a plurality of cylindrical drift-tube electrodes arranged in a cylindrical cavity in a particle beam traveling direction and accelerates the particle beam by a radio-frequency electric field generated between the plurality of cylindrical drift-tube electrodes, wherein at least... Agent:02/07/2013 > 26 patent applications in 22 patent subcategories. patent applications/inventions, industry category
20130033176 - Light emitting diode luminaire for connection in series: The present disclosure relates generally to a light emitting diode (LED) luminaire. In one embodiment, the LED luminaire includes a base, a heat sink coupled to the base, a power supply coupled to an interior volume of the heat sink, one or more LEDs coupled to the power supply, wherein... Agent:
20130033177 - Electronic ballast: An electronic ballast for lighting applications is disclosed. The electronic ballast comprises a first charge pump having an input capacitor (13) charged with a supply current drawn from a power source by application of a charging voltage to the input capacitor (13), the magnitude of the supply current being proportional... Agent: Nxp B.v.
20130033178 - Network connection device based on light source: This invention reveals an indoor network connection device. This device is combined by indoor light source and master node module, which can effectively decrease the cost of setting up indoor web facilities and make ideal of smart architecture come true. In addition, setting up these web connecting devices can easily... Agent:
20130033180 - Lamp: A lamp includes a lighting module providing illumination, a control unit, and a detecting unit. The control unit is connected or not connected to the lighting module. The detecting unit is coupled to the control unit. The detecting unit detects operational statuses of the lighting module and sends a detection... Agent: Sunonwealth Electric Machine Industry Co., Ltd.
20130033179 - Thermal protection circuit for an led bulb: A light-emitting diode (LED) bulb has an LED within a shell. The LED bulb includes a driver circuit for providing current to the LED. The drive circuit has a thermal protection circuit, which includes a first positive thermal coefficient thermistor with a first switching temperature connected in series with a... Agent: Switch Bulb Company, Inc.
20130033181 - Lamp assembly and circuits for protection against miswiring in a lamp controller: An electronic circuit for use with a lamp controller includes a driver component and a voltage interface circuit powered by the driver component. The interface component delivers a low voltage power signal at a defined operating range via output lines to a downstream controller. A protection circuit is coupled with... Agent:
20130033182 - End-of-life detector for gas discharge lamp and the ballast incorporating the same: Disclosed is an end-of-life detector for gas discharge lamp and the ballast incorporating the same. The end-of-life detector includes a lamp state signal detecting circuit for detecting the lamp state signal of at least one first gas discharge lamp and generating a positive voltage signal and a negative voltage signal... Agent: Delta Electronics (shanghai) Co., Ltd.
20130033183 - System and method for controlling lighting: A controller for controlling a plurality of lighting devices configured for wireless communications in a facility includes a data communications interface communicating with at least one of the devices. The controller further includes a control module configured to provide a control signal to the data communications interface for communicating to... Agent: Orion Energy Systems, Inc.
20130033184 - Power contollers and control methods: Disclosure has power controllers and control methods used therein. A disclosed power controller is adapted for a power converter to power at least one light emitting diode. The power converter includes a power switch with a control gate to make an inductive energized or de-energized. The power converter receives a... Agent: Leadtrend Technology Corporation
20130033185 - Extendable light source with variable light emitting area: Embodiments may provide an extendable light source with a variable light emitting area. A first device is provided that includes a support, a first substrate movably coupled to the support, and a plurality of lighting devices disposed on the first substrate. The plurality of lighting devices includes a first portion... Agent: Universal Display Corporation
20130033186 - Light emitting device: A light-emitting device includes: a first electrode and a second electrode formed on the upper surface of a substrate with a gap between the first electrode and the second electrode, the gap being provided at a central portion of the upper surface of the substrate; at least one first light-emitting... Agent: Citizen Electronics Co., Ltd.
20130033187 - Wireless monitoring and control device for indoor and outdoor lighting: The invention provides a wireless means of power monitoring and control of lighting fixtures. The device consists of five sections; line voltage AC to DC convertor and DC power circuit, voltage sensing circuit, current sensing circuit, relay circuit, and wireless microcontroller (“WUC”). Power input to the device is made via... Agent: Eagle Wireless Mac, LLC
20130033188 - Ignition plug and ignition apparatus: A technique for lowering power loss involved in supply of high-frequency electric power to an ignition plug. The ignition plug includes a tubular insulator having an axial bore extending therethrough; a center electrode disposed in the axial bore; a metal terminal disposed rearward of the center electrode in the axial... Agent: Ngk Spark Plug Co., Ltd.
20130033189 - Dimming control device, led driving device, and dimming control method: The present invention relates to a dimming control device, an LED driving device, and a dimming control method. In accordance with an embodiment of the present invention, a dimming control device including: a PWM signal generating unit for generating a PWM signal from a reference signal and an input voltage;... Agent:
20130033190 - Intelligent user interface including a touch sensor device: The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a microchip in communication with the switch wherein the switch is only capable... Agent: Azoteq Pty Ltd.
20130033192 - Backlight unit and apparatus and method for controlling led driving circuit: A backlight unit is provided. The backlight unit includes an LED; an LED driving unit which drives the LED in accordance with a switching operation of a transistor; and a control unit which adds an additional signal to an output current of the LED to obtain a combined current, compares... Agent: Samsung Electronics Co., Ltd.
20130033191 - Light emitting diode driving device and method thereof: There are provided a light emitting diode (LED) driving device allowing for an increase in an LED driving rate by discharging a charge stored in a capacitor during a certain period of time and a method thereof. The LED driving device includes: a driving unit detecting a current, as a... Agent: Samsung Electro-mechanics Co., Ltd./university Of Seoul Industry Cooperation Foundation
20130033193 - Method and apparatus for adjusting light output range of solid state lighting load based on maximum and minimum dimmer settings: A method is provided for controlling a power converter (220) to provide a uniform dimming range to a solid state lighting load (240) independent of a type of dimmer. The method includes detecting maximum and minimum phase angles of a dimmer (204) connected to the power converter (220) during operation... Agent:
20130033194 - Apparatus and method for controlling led driving circuit and apparatus and method for driving led: An apparatus for driving a light-emitting diode (LED) is provided. The apparatus includes an LED, a voltage sensing unit which senses a voltage applied to the LED, a current sensing unit which senses a current flowing into the LED, a DC-to-DC converter which converts an input voltage into an LED... Agent: Samsung Electronics Co., Ltd.
20130033195 - Light source apparatus: A light source apparatus includes at least a light-emitting module. The light-emitting module includes a hollow rod-shaped base and a plurality of LED chips. The hollow rod-shaped base has an outer surface and an inner surface opposite to the outer surface, in which the inner surface surrounds a space. The... Agent: Evergreen Optronics Inc.
20130033196 - Light emitting element drive apparatus and portable apparatus using same: A light emitting element drive apparatus capable of outputting the lowest voltage satisfying drive conditions and having high light emitting efficiency and low power loss, and a portable apparatus using the same, comprising an LED drive apparatus to which LEDs of different drive voltages required for emitting light are connected... Agent: Sony Corporation
20130033197 - Isolated flyback converter for light emitting diode driver: An isolated flyback converter for an LED driver includes a snubber circuit unit connected to the primary side of a transformer; and a snubber voltage detection unit which detects a snubber voltage of the snubber circuit unit and generates a reference voltage proportional to the detected snubber voltage. Further, the... Agent: Dongbu Hitek Co., Ltd.
20130033198 - Backlight unit and method for controlling led: A backlight unit is provided, which includes a light-emitting diode LED, an LED driving unit which drives the LED, a control unit which measures a temperature of the LED driving unit, and, if the temperature exceeds a preset threshold temperature, interrupts an operation of the LED driving unit, and a... Agent: Samsung Electronics Co., Ltd.
20130033199 - Independently controlled stacked inverted organic light emitting diodes and a method of manufacturing same: An OLED apparatus is provided that includes a first electrode having a first polarity, and an electrode arrangement spaced apart from the first electrode and having a second polarity. The OLED apparatus also includes a first organic emissive layer interposed between the first electrode and the electrode arrangement, and a... Agent: Emagin Corporation
20130033200 - Sport christmas kit: A sport Christmas kit includes an artificial Christmas tree having a trunk segment with bristled branches depending generally downwardly and radiating in different directions about the circumference of the trunk segment. A tree stand retains the trunk segment of the artificial Christmas tree in an upright position on a support... Agent:
20130033201 - Charged particle accelerator and charged particle acceleration method: A cascade of accelerating electrode tubes (LA#1 to LA#28) that apply an accelerating electric potential to a charged particle (2) are provided. With a controller (8) appropriately controlling timings to apply an accelerating voltage to the accelerating electrode tubes (LA#1 to LA#28), accelerating energy can be gained each time the... Agent: Quan Japan Co., Ltd.Previous industry: Electric lamp and discharge devices: consumable electrodes
Next industry: Electricity: motive power systems
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