Electric lamp and discharge devices: systems inventions 08/06

20060192492 - Display panel: In a display panel each of whose pixels has an electron emission element equipped with a pair of electrodes and an insulation area isolating these electrodes, the present invention specifies that the power supply line (scan line) connected with one of the pair of electrodes shall be formed thicker than...

20060192493 - Image display apparatus: An image display apparatus of this invention includes a neighborhood data integration section 20 which integrates image data on respective colors corresponding to electron emitting devices proximate to an electron emitting device to be driven, and corresponding to a phosphor contributing to a halation, an adder (6) adds the integrated...

20060192494 - In-situ sealed carbon nanotube vacuum device: A process is provided for fabricating an in-situ sealed integrated vacuum device (30). The process comprises growing an electron emissive material (24) on a cathode layer (14) within a well (22) surrounded by a dielectric (16, 20), and forming, in a vacuum, an anode (32) on the dielectric (16, 20)...

20060192496 - Display panel, display device, and display module of movable body: A display panel includes a light-emitting element substrate provided with a plurality of pixels that are arranged in a matrix corresponding to intersections of a plurality of scanning lines and a plurality of data lines, a light-emitting element provided at each of the pixels that is driven on the basis...

20060192495 - Electro-optical device and electronic apparatus: An electro-optical device includes a plurality of pixels arranged on a substrate. Each of the pixels includes a plurality of EL light-emitting elements that are disposed on the substrate and are connected in series. Each of the EL light-emitting elements includes a first electrode, a luminescent layer, and a second...

20060192497 - Organic electroluminescence device, method for driving thereof, and electronic appliance: An organic electroluminescence device includes: an emissive layer between an anode and a cathode facing each other; an anode buffer layer formed of a conductive material, installed between the anode and the emissive layer; a cathode buffer layer formed of the conductive material, installed between the cathode and the emissive...

20060192498 - Circuit apparatus with led diodes: A circuit apparatus with LED diodes includes a plurality of circuit branches in which each circuit branch comprises at least one LED diode. The apparatus comprises a device for the supply of said plurality of circuit branches and each circuit branch is connected singularly to the supply device. The supply...

20060192499 - Impulse generator: An impulse generator including first and second differentiators coupled in parallel to each other, for generating impulses by differentiating a clock signal, and first and second switches for transiting on and off the first and second differentiators respectively to selectively output the impulses generated by the first and second differentiators,...

20060192500 - Cold cathode tube lighting device and driving method and integrated circuit to be used in same: A cold cathode tube lighting device is provided which is capable of obtaining stable luminance when a cold cathode tube is driven by applying voltages to input terminals on both ends of the cold cathode tube. A first current flowing through each of transformer secondary sides of transformers is detected...

20060192502 - Dimmer circuit for led: The AC output from a source is rectified and applied to a resistor/Zener diode circuit connection which determines the magnitude of the rectified voltage applied via a circuit to a first MOSFET device. The inverted output of the first MOSFET device is applied to the gate electrode of a second...

20060192503 - High-efficiency solar-charging led window candle: Disclosed herein is an improved high-efficiency solar-charging electric window candle comprising a base adapted to sit securely upon a window sill. The base includes a footer formed with a battery compartment accessible through a bottom hatch, and a riser protruding upwardly from the footer with upwardly inclined side surfaces. The...

20060192501 - Power supply apparatus and display apparatus: A liquid crystal display apparatus is capable of reducing a power loss incurred by a power-supply section in a process of generating a power-supply voltage for driving a backlight section. In the configuration of the power-supply section, a main power-supply circuit and an inverter circuit (or a DC-DC converter) are...

20060192504 - Apparatus for generating focused electromagnetic radiation: The fact that the intensity of the pulse decays more slowly than predicted by the inverse square law is not therefore incompatible with the conservation of energy, for it is not the same wave packet that is observed at different distances from the source: the wave packet in question is...

20060186817 - Dynamic depressed collector: A biasing system for use with a multi-stage depressed collector of a high power amplifier includes one or more adjustable power sources. A power controller provides control signals to the power sources depending on the operational RF power level. For low power applications, biasing of collector electrodes is reduced such...

20060186818 - Thermal protection device for an integrated power mos: A thermal protection device is for an integrated power MOSFET transistor including an interdigitated array of source regions and drain regions defined in a well region of the monocrystalline silicon substrate, and gate structures overhanging channel regions defined between adjacent source and drain regions. The thermal protection device may include...

20060186819 - Led assembly, and a process for manufacturing the led assembly: A manufacturing process for storing measured light output internal to an individual LED assembly, and an LED assembly realized by the process. The process utilizes a manufacturing test system to hold an LED light assembly a controlled distance and angle from the spectral output measurement tool. Spectral coordinates, forward voltage,...

20060186820 - Led driver device: A light emitting diode (LED) driver drives a plurality of LEDs, and includes a plurality of LED drivers with inherent addresses thereof respectively driving the plurality of LEDs; a serial bus connected to the plurality of LED drivers; and a sequence controller serially transmitting a control signal for driving the...

20060186821 - Electron emission device: An electron emission device includes a first substrate, a second substrate facing the first substrate, a scan electrode formed on the first substrate and having a width Sv, and a data electrode formed on the first substrate perpendicular to and crossing the scan electrode at a crossed region. A unit...

20060186823 - Energy efficient column driver for electroluminescent displays: A driving circuit for driving a display panel having pixels arranged in rows and columns, wherein the driving circuit incorporates a resonant circuit that is able to efficiently recover capacitive energy stored on the row of pixels and transfer it to another row of pixels as the rows are addressed...

20060186825 - Light-emitting device with improved brightness control and narrow frame and electronic apparatus with the light-emitting device: A light-emitting device and an electronic apparatus, which are capable of preventing reduction of the amount of current flowing through light-emitting elements and which have an excellent display characteristic, are provided. Cathode wiring lines 13 connected to a cathode 12 are provided to surround an effective area 2a outside the...

20060186824 - Pixel array and fabrication method thereof: A pixel array comprising a plurality of pixel driving circuits for an electroluminescent device. Each pixel driving circuit comprises a switch transistor, a scan line, a data line, a driving transistor, an electroluminescent device, a storage capacitor and a compensation capacitor. The scan and data lines are respectively connected to...

20060186822 - Time-divisional driving organic electroluminescence display: A time-divisional driving organic electroluminescence display in which a power supply line for supplying a power supply voltage is shared by two pixels coupled with the power supply line, and the power supply line is substantially parallel to and interposed between two data lines installed to drive the two pixels....

20060186826 - Image display device, image display method, and program: An image display device includes a total luminance value detection portion that detects a total luminance value in an entire image; a level detection portion that detects whether the total luminance value exceeds a specific level; and an incident light level lowering processing portion that performs processing to reduce an...

20060186827 - Supply device of circuit branches with led diodes: A device includes at least two circuit branches, each of said at least two circuit branches comprising at least one LED diode. The device comprises a supply circuit that provides an electric supply of said at least two circuit branches and includes a variable resistance. The device comprises a controller...

20060186828 - Electronic ballast for a high-pressure discharge lamp having a current-measuring device: The invention relates to an electronic ballast and to an operating method for high-pressure discharge lamps. During a current measurement, in particular for current regulation, only switching phases of a specific polarity of the current are taken into consideration....

20060186829 - Series resonant circuit and voltage stabilizing method thereof: A series resonant circuit device and a voltage stabilizing method thereof are provided. The series resonant circuit device includes a resonant circuit having at least a resonant capacitor and a resonant inductor, an equivalent capacitor electrically coupled to the resonant circuit, a magnetizing inductor electrically connected to the equivalent capacitor...

20060186830 - Automatic voltage selection for series driven leds: An apparatus and method for automatically controlling voltages used to drive LED loads. A battery voltage can be boosted to a selected drive voltage level connected to current sources for driving the LED loads. The drive voltage level is selected by a controller using a headroom detect component to measure...

20060186831 - Electronic ballast: An electronic ballast for driving at least one lamp comprising a rectifying circuit operatively connectable to an AC line; a current drawing circuit connected across said rectifying circuit; and an inverter circuit connected to said rectifying circuit that supplies a lamp current to said at least one lamp; wherein said...

20060186832 - Light emitting device and driving method thereof: A light emitting device which is able to suppress power consumption while a balance of white light is maintained is provided. According to the present invention, either the potential level of the Hi video signal or Lo video signal which is given to a gate electrode of a transistor, and...

20060186833 - Fluorescent tube driver circuit system of pulse-width modulation control: A fluorescent tube driver circuit system of pulse-width modulation control and an operating method thereof are provided. The fluorescent tube driver circuit system of pulse-width modulation control comprises a fixed-frequency generator and a pulse-width modulator. The fixed-frequency generator receives a turn-on detecting signal for indicating a turn-on state of the...

20060186834 - Multiple lamp ballast control circuit: A ballast control circuit for multiple lamps comprising a ballast control circuit for driving two series connected switches of a lamp ballast connected across a supply potential and having a switched node between the switches; the switched node adapted to be connected to an output circuit comprising a plurality of...

20060186835 - Pulse width modulated defroster: A window defroster system that includes a heater grid and a controller. The controller includes a pulse width modulator configured to provide a driving signal to the heater grid. The driving signal has an initial heating portion and a pulsed portion. The initial heating portion provides an initial voltage that...

20060186836 - Method and apparatus for adhering light-shielding sheets respectively onto transparent bodies: An apparatus includes a machine bed, a holder unit disposed movably on the machine bed, and an adhesion unit. A method for adhering a light-shielding sheet onto a transparent body includes: (A) moving the transparent body on a machine bed into a holder unit by suction; (B) moving the holder...

20060186837 - Hall thruster with shared magnetic structure: A Hall thruster with a shared magnetic structure including a plurality of plasma accelerators each including an anode and a discharge zone for providing plasma discharge. An electrical circuit having one or more cathodes connected to the plurality of plasma accelerators emits electrons that are attracted to the anode in...

20060186838 - Apparatus for magnetic and electrostatic confinement of plasma: An apparatus and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatically in a deep energy well, created by tuning an externally applied magnetic...

20060181220 - Apparatus and method of fabricating emitter using arc: A method and apparatus for fabricating an emitter by colliding an arc with the surface of a wafer inside a vacuum chamber are provided. The apparatus includes: a vacuum chamber in which a wafer is inserted; a magnetic field generating unit for generating a uniform magnetic field inside the vacuum...

20060181221 - Display device and manufacturing method thereof: A display device in which a light shielding film is formed so as not to increase the number of steps and its cost, is provided. The display device of the present invention includes a monitor element for controlling influence on a light-emitting element due to temperature change and change with...

20060181222 - Bistate hid operation: Bi-state power operation of an HID lamp system. A power mode control selection determined where a high power mode and a low power mode are selectable. A modulation is determined to generate a driving signal based on the determined power mode control selection. A driving signal is generated based on...

20060181223 - Cold cathode flat fluorescent lamp and driving method therefor: A cold cathode flat fluorescent lamp and a driving method for a cold cathode flat fluorescent lamp are provided. The cold cathode flat fluorescent lamp includes a lamp, a transformer and a full-bridge circuit. The lamp has at least a first electrode having a first voltage and a second electrode...

20060181224 - Method and device for controlling the light intensity in a multi-lamp illumination device for a display panel: For controlling the light intensity in a multi-lamp illumination device an automatic sequencing of the PWM dimming distributes the burst dimming pulses during the display's frame period. Specifically, the method includes the steps of generating a plurality of synchronized pulse-width modulated lamp activation signals of equal duty-cycles; individually controlling the...

20060181226 - Circuit arrangement and method for operation of lamps: Circuit arrangement having a free-running half-bridge inverter for operation of gas discharge lamps. A stop device is used to enable the drive to the half-bridge switches only during an on time. The oscillation frequency of the half-bridge inverter can be adjusted by the duration of the on time. This allows...

20060181225 - Fluorescent lamp assembly having multiple settings and method: A fluorescent lamp assembly includes a fluorescent lamp ballast capable of detecting at least one of a plurality of input signals and generating an output signal. The output signal is associated with a power level that is based on the at least one detected input signal. The fluorescent lamp assembly...

20060181228 - Device for controlling drive current for an electroluminescent device array with amplitude shift modulation: An electrical circuit includes a switch having an on state and an off state for connecting a single drive current power source in series with an electroluminescent device for each electroluminescent device of an electroluminescent device array to conduct a first drive current through the electroluminescent device in the on...

20060181227 - Protective and measure device for multiple cold cathode fluorescent lamps: A protective and measure device for multiple cold cathode fluorescent lamps includes an electronic ballast functioning as a high-frequency power source for driving multiple cold cathode fluorescent lamps (CCFLs), primarily by parallel connecting one end of each of a plurality of CCFL to a measure element to measure the LED...

20060181229 - Deflection yoke for cathode ray tube: A deflection yoke for a cathode ray tube improves assembly and productivity and enables effective control of magnetic field corrections during device processing. The deflection yoke includes a horizontal deflection coil located next to the outer circumference of a funnel to generate a horizontal magnetic field, and a vertical deflection...

20060175975 - Fluorescent lamp with auxiliary discharge and method for manufacturing the same: Fluorescent lamp comprising a glass discharge vessel (2) in which an ionizable and vaporizable filling is present, which discharge vessel is on two sides provided with a tubular end portion including a glass stem, wherein an exhaust tube (6) extends axially outwardly from said stem for supplying and/or discharging gases...

20060175976 - Plasma display device: A plasma display device which comprises a magnesium oxide layer formed on a plane in contact with the discharge space in each display cell of a plasma display panel, having magnesium oxide crystals that perform cathode luminescence light emission with a peak in a wavelength band of 200 to 300...

20060175977 - Flashlight: A handheld flashlight includes a head that pivots relative to a body. Three legs pivotally connect to the body and open into a tripod to support the head in an elevated position. The legs are spring-biased toward the open tripod position and are selectively held closed by a detent mechanism....

20060175978 - Lamp with integral pulse width modulated voltage control circuit: A lamp has a voltage controller that converts a line voltage to an RMS load voltage suitable for operation of the lamp's light emitting element, where the voltage controller is entirely within a lamp base and uses pulse width modulation to define the RMS load voltage. The voltage controller is...

20060175979 - Method of operating a lamp containing a fixed phase power controller: A method of operating a lamp that has a power controller connected between a terminal and a light emitting element that converts the line voltage to an RMS load voltage. An input to an analog control block is provided in the controller that is independent of a change in magnitude...

20060175980 - Lamp with built-in voltage converter including a bidirectional thyristor diode (sidac): A lamp includes a voltage conversion circuit that converts a line voltage at a lamp terminal to a load voltage usable by a light emitting element of the lamp. The voltage conversion circuit is housed entirely within a base of the lamp and includes a silicon diode for alternating current...

20060175981 - Multi-lamp drivers and transformers thereof: A multi-lamp driver driving first and second lamps and comprising a driving circuit and a transformer. The transformer comprises a winding rack, a magnetic core, two primary winding sets, and two secondary winding sets. One portion of the magnetic core is inserted into the winding rack. The two primary winding...

20060175982 - Linear reactor ballast for sports lighting fixtures: A means and method for increasing use of a light from a high intensity lighting fixture to a target area without an increase in energy use. One aspect increases the electrical efficiency of transmission of electrical power from an electrical power source to the lamp such that for the same...

20060175983 - Software controlled electronic dimming ballast: A software controlled electronic dimming ballast for preheating, striking, and varying the dimming level of a lamp. In one embodiment, the ballast includes an EMI filter circuit, an AC/DC converter circuit, a PFC circuit, an inverter circuit, and a software controlled microcontroller circuit. The microcontroller circuit includes a microcontroller and...

20060175984 - Discharge lamp lighting device: The present discharge lamp lighting device is capable of rapid modulation in which a lamp current is rapidly reduced and rapidly restored. The current control circuit is provided to perform specific current control such that the brightness of a lamp is reduced by a predetermined percentage without being affected by...

20060175990 - Combined exponential/linear rgb led i-sink digital-to-analog converter: Methods and systems to achieve linear and exponential control over a current to drive color LEDs have been achieved. Current digital-to-analog converters (IDAC) comprising each an exponential current digital-to analog converter and a linear IDAC, being cascaded to each other are used for a linear and an exponential control of...

20060175989 - Discharge lamp drive apparatus and liquid crystal display apparatus: A discharge lamp drive apparatus includes: an inverter circuit; a transformer; a plurality of discharge lamp connection terminals; a plurality of ballast capacitors; a plurality of voltage detection circuits; and a signal processor. Each voltage detection circuit has first and second voltage detection elements constituting a series circuit. Each series...

20060175986 - Led array driving apparatus and backlight driving apparatus using the same: The present invention relates to an LED array driving apparatus and a backlight driving apparatus using the same which enables regulation of analogue and PWM dimming for each channel and LED of a backlight, thereby allowing uniform luminance and color in all regions of backlight. The invention converts power with...

20060175985 - Light emitting diode multiphase driver circuit and method: A method and a circuit for driving light emitting diodes (LEDs) in multiphase are provided. A string of LEDs divided into groups connected to each other in series is provided. Each group is coupled to ground through separate conductive paths. A phase switch is provided in each conductive path. Increasing...

20060175988 - Method and system for collective control of lights: A method for collective control of lights comprises connecting a positive output and a negative output of a main control device (1) by a wire to form a closed output circuit (4); independently connecting each of a plurality of lights (2) to an auxiliary control device (3); coupling a transducer...

20060175987 - Retro-fit method for improving longevity of arc lamps: An apparatus, system, and method for increasing life of a high intensity lighting fixture light source. In one aspect, the method involves installing a new HID lamp in the fixture in combination with retrofitting a circuit that operates the lamp at a reduced wattage over a substantial period of operation...

20060175991 - Spiral orbit charged particle accelerator and its acceleration method: According to the present invention, a non-isochronous magnetic field distribution in which the magnetic field increases as the radius increases is formed and a distribution of fixed-frequency accelerating RF voltage is formed, said non-isochronous magnetic field distribution and said distribution of fixed-frequency accelerating RF voltage being formed so that a...

20060170364 - Light modulating lamp stand: A light modulating lamp stand includes a columnar holder having a chamber for receiving a lamp and formed with a first and a second electrode terminal, a circuit board installed on the holder and formed with a first and a second power connecting terminal and a SCR connected with the...

20060170365 - Non-pwm vehicle lamp dimming arrangement: This invention provides an arrangement for selectively varying the illumination level of an interior light source in a vehicle. The arrangement includes supplying a current to at least one interior light source to achieve a predetermined level of illumination, and reducing the level of illumination via a shunt arrangement in...

20060170366 - Lighting device, lighting unit and method for heating lighting device by heating device disposed thereon: A heating unit having a heating function is provided in the present invention. The heating unit comprises a lighting device, a case containing the lighting device, a heating device formed on the case for heating the case, a heat sensor having a preset value and electrically connected to the heating...

20060170367 - Method of detecting rf power delivered to a load and complex impedance of the load: Methods and systems of detecting one or more characteristics of a load are disclosed. One or more characteristics of a first signal may be detected at the output of a Radio Frequency (RF) power generator. The first signal may have a fundamental frequency. The one or more characteristics of the...

20060170368 - Apparatus and method of driving light source for display device: An apparatus of driving a light source for a display device is provided. The apparatus includes a temperature sensor (940) sensing a temperature and generating an output voltage based on the sensed temperature, a buffer (950) generating an output signal having a state depending on the output voltage of the...

20060170369 - Apparatus and method for switching a light source: An apparatus and its corresponding method for switching a light source are provided. The apparatus includes a light sensor, a decision device and a light source. The light sensor senses the ambient luminance and outputs a sensing signal to indicate whether the luminance is greater than a predetermined quantity. The...

20060170370 - Method and system for dimming light sources: Dimming a light source such as a LED over a dimming range (0%-100%) involves adjusting at least one of the intensity (I) and the duty-cycle (DR) of a current flowing through the light source. The dimming range includes at least one portion (L%-H%; 0%-H%) where the light source is fed...

20060170372 - Circuit arrangement: A circuit arrangement has a drive circuit for a lamp having a first connection for a first filament of the lamp and a second connection for a second filament of the lamp, a protective circuit, coupled on the output side to the drive circuit and on the input side to...

20060170371 - Dc-ac converter having phase-modulated, double-ended, half-bridge topology for powering high voltage load such as cold cathode fluorescent lamp: A phase-modulated, double-ended, half-bridge topology-based DC-AC converter supplies AC power to a load, such as a cold cathode fluorescent lamp used to back-light a liquid crystal display. First and second converter stages generate respective first and second sinusoidal voltages having the same frequency and amplitude, but having a controlled phase...

20060170373 - Led driver: A light emitting diode (LED) driver to drive an LED, including a current adjusting unit to adjust magnitude of a current flowing on the LED by supplying power from a power supply device to the LED and cutting off the power. A modulation control unit is provided to modulate a...

20060170374 - Dc-dc converter with reduced surge voltage and an electronic ballast including the converter for a discharge lamp: A DC-DC converter reduces a surge voltage developed across a switching element (30) in making the voltage conversion with the use of a transformer (20) inherently having considerable leakage. A snubber circuit is included to absorb the surge energy and transferring it to a load, or output end of the...

20060170375 - Discharge lamp lighting device: The present discharge lamp lighting device is capable of rapidly breaking or restoring a lamp current or of rapidly reducing or restoring the lamp current. A discharge lamp lighting device, comprises a power supply circuit which supplies power to a discharge lamp, a current breaking switch circuit which selectively interrupts...

20060170376 - Methods and apparatus for providing workspace lighting and facilitating workspace customization: Methods and apparatus for customization of a workspace, including lighting in the workspace. Multiple LED-based lighting units arranged in a personal workspace may be conveniently controlled by an occupant of the workspace to customize or personalize workspace lighting. Workspace customization, including lighting conditions, further is facilitated by various power distribution...

20060170377 - Discharge lamp lighting apparatus: The present invention provides a discharge lamp lighting apparatus for lighting a discharge lamp having two electrodes, having: a first drive circuit, a second drive circuit, and a control circuit. The first drive circuit is connectable to one of the two electrodes to supply a first alternating current to the...

20060170380 - Apparatus and methods for providing emergency safety lighting: The present invention transforms existing electrical wall outlets into an emergency lighting system for homes, hospitals, hotels, nursing homes and businesses. The lighting device, designed as a replacement electrical wall outlet or receptacle, simply plugs into an existing dual outlet after removal of its faceplate. The lighting device continues to...

20060170378 - Dc-ac converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp: A phase-modulated, double-ended, full-bridge topology-based DC-AC converter supplies AC power to a load, such as a cold cathode fluorescent lamp used to back-light a liquid crystal display. First and second converter stages generate respective first and second sinusoidal voltages having the same frequency and amplitude, but having a controlled phase...

20060170379 - Vehicle headlamp: A vehicle headlamp 1 includes a first lamp unit 2A which employs a discharge lamp 3 as a light source, and a second lamp unit 2B which employs a semiconductor light-emitting element 5 as a light source. Lighting of the first and second lamp units is started substantially simultaneously, and,...

20060170381 - Ion acceleration system for hadrontherapy: A system for ion acceleration for medical purposes includes a conventional or superconducting cyclotron, a radiofrequency linear accelerator (Linac), a Medium Energy Beam Transport line (MEBT) connected, at the low energy side, to the exit of the cyclotron, and at the other side, to the entrance of the linear radiofrequency...