Electric lamp and discharge devices: systems inventions 03/06

20060066244 - Electrodeless lighting system: An electrodeless lighting system includes: a waveguide for guiding microwave energy generated from a microwave generator; and a resonator formed in a mesh structure allowing the microwave energy having passed the waveguide to resonate therein and passing light, and having around the bulb a microwave leakage preventing portion having a...

20060066245 - Illumination system having a dielectric barrier discharge lamp and associated ballast: The invention relates to an illumination system comprising an electronic ballast and a dielectric barrier discharge lamp which can be operated using said electronic ballast and can be brought into a plug connection with the ballast....

20060066246 - Inverter transformer: An inverter transformer includes a coil unit including a bobbin and a plurality of windings, and a transformer core unit. The bobbin is formed with a core-receiving compartment, and includes first, second and third coil winding portions. The windings are wound around the first, second and third coil winding portions,...

20060066248 - Apparatus for generating high current electrical discharges: A high current density plasma generator includes a chamber that contains a feed gas. An anode is positioned in the chamber. A cathode assembly is position adjacent to the anode inside the chamber. A power supply having an output is electrically connected between the anode and the cathode assembly. The...

20060066247 - Plasma processing apparatus and method: A plasma etching apparatus includes an upper electrode and a lower electrode, between which plasma of a process gas is generated to perform plasma etching on a wafer W. The apparatus further comprises a variable DC power supply to apply a DC voltage to the upper electrode, so as to...

20060066249 - Versatile substrate for spr detection: A substrate for testing a carrier liquid for biomolecules using SPR or other techniques provides a metallic island surrounded by a hydrophobic layer, the islands being a location for the attachment of probe molecules. The hydrophobic layer may also be a dielectric material providing improved sensitivity in SPR imaging....

20060066250 - Gauge lighting structure: This invention relates to a novel gauge lighting structure, mainly comprising the gauge panel, the lighting guide element and the lighting supply element. The gauge panel is very broadly used on the instrument cluster of the transportation vehicles. The gauge panel is an empty round housing with a glass pane...

20060066254 - Organic el pixel circuit: In a state where a selection TFT is off, a control TFT is turned off and a reset control TFT and a short-circuit TFT are turned on. This results in the selection TFT side of a capacitor to be set to PVDD so that the short-circuit TFT turns on and...

20060066252 - Organic electro-luminescent display device and method for driving the same: An organic electro-luminescent display device has a gate-source voltage that selectively has a positive polarity and a negative polarity so that deterioration of the switching element is prevented. The display device includes an electro-luminescent element that emits light. The device includes a first switching element for switching a data voltage...

20060066255 - Organic light emitting diode display device: An organic light emitting diode display device comprising a display panel, a plurality of light emitting diodes arranged on the display panel and having an optical amount varied according to a current amount, a sample/hold unit for supplying a current to the light emitting diodes, a D/A converter for controlling...

20060066251 - Organic light emitting display: An organic light emitting display for minimizing or preventing nonuniformity in image quality includes a first transistor having a gate electrode connected to a first selection signal, a source electrode connected to a data signal, and a drain electrode connected to a second node; a second transistor having a gate...

20060066253 - Pixel and organic light emitting display using the same: A pixel including a LED and a pixel circuit. The circuit including a first transistor supplying a current to the LED corresponding to a data signal applied to a data line, a capacitor coupled to the first transistor and charged by the data signal, a second transistor coupled to a...

20060066263 - Electro-optical device, method of manufacturing the same, and electronic apparatus: An electro-optical device which has a program period, a light-emitting period, an erasing period, and a lights-off period in one frame and controls the light-emitting period according to a light emission gray-scale level including a driving transistor that includes a current control terminal, a current input terminal, and a current...

20060066258 - Equipment and methods for emergency lighting that provides brownout detection and protection: The present invention relates to systems, equipment and methods that provide emergency lighting and allow the detection of brownout conditions. One aspect of the present invention is an emergency lighting system with an input voltage interface for receiving an input voltage, a brownout detection component for detecting a brownout condition...

20060066260 - Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit: The invention relates to a light source unit control method and a light source control unit, and a light source unit comprising a filament lamp with a characteristic of having a light quantity changing almost in proportion to a control voltage, which comprise: a current detection sensor connected in series...

20060066262 - Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit: The invention relates to a light source unit control method and a light source control unit, and a light source unit comprising a filament lamp with a characteristic of having a light quantity changing almost in proportion to a control voltage, which comprise: a current detection sensor connected in series...

20060066261 - High pressure discharge lamp control system and method: A system for providing a controllable current to a high intensity discharge lamp is provided. The system includes a current controller that is configured to receive input power and to provide an output current waveform to the high intensity discharge lamp. This current causes a discharge of light from the...

20060066265 - Illumination device and control method: A description is given of an illumination device which emits mixed-color light containing light of at least two different color channels (R, R1, G, G1, B, B1). The illumination device contains at least one primary light source (1) of a first color, the light of which forms a first color...

20060066256 - Method for managing lamp brightness: A method for managing bulb brightness, which is suitable for use in a displaying apparatus based on lamp, is proposed. The characteristics of the method include switching the lamp to the standard mode with maximum brightness in the displaying state, and switching the lamp to the ECO mode with reduced...

20060066257 - Method of determining working voltage of inverter: The present invention pertains to a method of determining a working voltage of an inverter, which utilizes a rectifying method to transform an alternating current into a pulse direct current, and then via a working frequency, divides a direct current cycle, which ranges in a lowest voltage—highest voltage—lowest voltage manner,...

20060066259 - Self-contained, self-snubbed, hid dimming module that exhibits non-zero crossing detection switching: A protection circuit for an HID dimming circuit is provided. A resistive component limits the initial current after a relay closes and current flows from a charged capacitor to a second capacitor. An inductive component limits the rate of change of current through the circuit. A voltage limited device limits...

20060066264 - Switching power device: A switching power device uses a non-capacitor flyback converter circuit not provided with a smoothing input capacitor having a large capacity. Therefore, a power harmonic can be suppressed and a rush current preventing element is not required. A fluctuation in an output current to be supplied to a load is...

20060066266 - System and method for producing white light using a combination of phosphor-converted with leds and non-phosphor-converted color leds: A system and method for generating white light involves using a combination of phosphor-converted white LEDs and non-phosphor-converted color LEDs to produce white light and adjusting the emitted light in response to feedback signals. Generating white light using a combination of phosphor-converted white LEDs and non-phosphor-converted color LEDs produces white...

20060066267 - Multi-channel induction accelerator with external channels: The invention addresses a multi-channel induction accelerator with external channels, which in its broadest form includes an injector block, a drive system, a block of output systems, and a multi-channel induction accelerative block. The multi-channel induction accelerative block is formed of an aggregate of linear induction acceleration blocks (including those...

20060055332 - Apparatus, system, and method for inducing an electrical current for use by an electronic device: An apparatus, system, and method are disclosed for inducing an electrical current for use by an electronic device. The apparatus includes an inductor and an interface coupling the inductor to an electronic device. The inductor comprises a continuous wire looped spirally, the inductor deriving power from an insulated conductor positioned...

20060055333 - Ballast with integral connector: A ballasting circuit assembly for a gas discharge lamp has an input power connector assembly suitable for receiving and connecting with a mating multi-conductor connector assembly. The ballasting circuit in the ballasting circuit assembly is suitable for powering a gas discharge lamp. Output leads are suitable for connecting to a...

20060055334 - Electric incandescent lamp: The invention relates to an electric incandescent lamp having power supply wires for at least one incandescent filament, at least one power supply wire being provided with a hole in which an outgoing filament line of the at least one incandescent filament is fixed....

20060055336 - Organic light emitting display: An organic light emitting display includes a plurality of pixels, at least one of the pixels having: an organic light emitting diode; a driving transistor adapted to supply a driving current to the organic light emitting diode; a first switching transistor adapted to selectively supply a data signal to the...

20060055335 - Organic-electroluminescence display and driving method therefor: In a method of driving an organic-electroluminescence display device, when a small white pattern is displayed at the same position of the black background for a long time, burn-in of the white-pattern displayed portion is prevented without a feeling of a sense of the contrast lack. The organic-electroluminescence display device...

20060055337 - Lamp driving device: A lamp driving device for driving a lamp. A feedback circuit includes a voltage falling unit and a rectification circuit. The voltage falling unit provides a low voltage signal in response to a first DC power signal, a first AC power signal or a first driving power signal. The rectification...

20060055338 - Module for parallel lighting and balancer coil for discharge lamp: A small balancer coil for cold-cathode florescent lamps having sufficient shunt/balance effects, comprises a discharge lamp, a conductor located close to the discharge lamp, and two coils whose magnetic fluxes face each other. The magnetic fluxes generated in the coils face and cancel each other. Lamp currents of the discharge...

20060055339 - Electronic ballast having a pump circuit for a discharge lamp having preheatable electrodes: The invention relates to an electronic ballast for discharge lamps LA1, LA2 having preheatable electrodes which has a pump circuit D5/D7, D6/D8 for improving the power factor. In this arrangement, preheating is performed with a converter frequency, raised by comparison with continuous operation, and with the aid of a preheating...

20060055340 - Transformer and starting device having a transformer, and high pressure discharge lamp having a transformer: The invention relates to a transformer for generating a starting voltage for a high-pressure discharge lamp having a ferrite core and at least one primary winding as well as at least one secondary winding, the at least one secondary winding being formed by a metal strip which is arranged on...

20060055344 - Discharge lamp lighting circuit and method: In a lighting circuit for a discharge lamp, the discharge lamp is kept lit without fail when a DC input voltage becomes low, while avoiding a complicated circuit configuration and control method. A DC-AC converter circuit receives a DC input voltage and converts it to an AC voltage and boosts...

20060055341 - Discharge lamp lighting device, illumination device, and projector: In a chopper circuit, output power is controllable with a direct current power source as a power source, and a smoothing capacitor is connected between output terminals of the chopper circuit. A polarity inversion circuit applies an alternating voltage to a high pressure discharge lamp with a voltage across the...

20060055346 - Lighting apparatus for discharge lamp: In a lighting apparatus for a discharge lamp, a mask signal against a re-arc voltage is correctly generated to detect a lamp voltage accurately in view of a support to high frequency lighting such that the detection of the lamp voltage is not affected by the re-arc voltage. The lighting...

20060055345 - Lighting of discharge lamp by frequency control: A discharge lamp controlling apparatus includes a detector for detecting a discharge condition of a discharge lamp; a frequency changing unit for gradually changing a frequency of a voltage to be applied to the discharge lamp until the discharge condition reaches a predetermined lighting condition; and a voltage controller for...

20060055342 - Rare gas fluorescent lamp lighting apparatus: There is provided a rare gas fluorescent lamp lighting apparatus including: an input power source; a transformer having a rare gas fluorescent lamp connected to the secondary side thereof a switching element connected in series to the primary side of the transformer; and a drive block to drive the switching...

20060055343 - Spark management method and device: A spark management device includes a high voltage power source and a detector configured to monitor a parameter of an electric current provided to a load device. In response to the parameter, a pre-spark condition is identified. A switching circuit is responsive to identification of the pre-spark condition for controlling...

20060049766 - Magnetron cooling fin: A magnetron cooling fin is disclosed, characterized in that a plurality of turbulence-promoting protrusions are provided on one side of a planar body that has a boss-type through-hole in which an anode is coupled and a plurality of coupling pieces outwardly extending and bent at edges of the planar body,...

20060049767 - Discharge lamp and control of the same: A discharge tube is driven by a multiple-phase drive circuit, and includes a discharge container having an internal discharge space and multiple electrodes that are secured to the discharge container and correspond to each phase of the multiple-phase drive circuit. The tips of the multiple electrodes protrude into the discharge...

20060049768 - Apparatus for measuring picture and lifetime of display panel: Provided is an apparatus for measuring a picture and a lifetime of a display panel including: a chamber having at least one display panel for measurement disposed therein, and for uniformly maintaining temperature and humidity conditions of an inner portion; at least one camera installed in the chamber to obtain...

20060049769 - Plasma display apparatus: The present invention relates to a plasma display apparatus in which the manufacturing cost due to driving boards and the area occupied by the driving boards can be reduced. The plasma display apparatus according to the present invention includes a glass substrate having scan electrodes and sustain electrodes formed therein,...

20060049772 - Circuit arrangement for dimming at least one lamp: A method and circuit arrangement for dimming at least one lamp, includes a connection for a supply voltage; a dimming device connected on the input side to the supply voltage and has an input for a dimming selection and at least one switch; and a filter connected to the output...

20060049770 - Circuit arrangement for operating discharge lamps: A DC-AC converter in a half bridge configuration is used for operation with high pressure discharge lamps as well as low pressure discharge lamps. The converter consists in two switches (T1-T2) serially connected through a first series of diodes (D1, D2) and a second series of diodes (D3,D4) to which...

20060049773 - Fault protection scheme for ccfl integrated circuits: In one embodiment, an apparatus is provided. The apparatus includes a power bridge suitable for coupling to a CCFL (cold cathode fluorescent lamp) load and providing an operating current to the load. The apparatus also includes a replica component coupled to the power bridge to provide a replica current proportional...

20060049771 - Instantaneous electronic ballast for metal halide lamp having state transition circuit: Disclosed is an electronic ballast for a metal halide lamp. In particular, the present invention relates to an instantaneous electronic ballast for a metal halide lamp, which allows instantaneous lightening of the lamp and can extend the life of the lamp. For this, the instantaneous electronic ballast includes a state...

20060049774 - Peak detecting circuit and discharge lamp lighting device: A peak detecting circuit 1 comprises an operational amplifier 2, a plurality of transistors 3 and 4 to be operated upon receipt of an output signal, and a holding capacitor 5. The transistors 3 and 4 are used as emitter followers or source followers, and the output signal of the...

20060049775 - Projector for changing driving frequency for driving light source lamp within allowable frequency range: A projector according to the present invention comprises a lamp driving control circuit for driving an ultra-high pressure mercury lamp at a driving frequency which is changed within an allowable frequency range. For example, the lamp driving control circuit may randomly select a frequency within the allowable frequency range, or...

20060049776 - Switching element driving circuit and discharge lamp lighting apparatus: Switching elements S1, S2 connected in series are provided on the secondary side of a pulse transformer T to which an input voltage is supplied from a DC power supply E. On the primary side of the pulse transformer T, switching element S3, S4 are provided, and a regenerating unit...

20060049779 - Circuit arrangement for operating at least one high pressure discharge lamp: The present invention relates to a circuit arrangement for operating at least one high-pressure discharge lamp (16) having four switches (Q1 to Q4) in a full bridge arrangement, a first and a second switch (Q1, Q2) forming the first half-bridge arm, and a third and a fourth switch (Q3, Q4)...

20060049777 - High-pressure discharge lamp operation device and illumination appliance having the same: A full bridge circuit including four switching elements (Q1 to Q4) is alternated with a high switching frequency and a series-connected resonance circuit (5) including an inductor (L2) and a capacitor (C2) is made to resonate at a switching frequency of the full bridge circuit multiplied by an integer (for...

20060049778 - Protecting a cold cathode fluorescent lamp from a large transient current when voltage supply transitions from a low to a high voltage: A compensation circuit for protecting a lamp from a large transient current. The compensation circuit may include a saw tooth generator configured to generate a saw tooth signal with an amplitude corresponding to a supply voltage of the lamp. A pulse width modulated signal may be generated by a comparator...

20060049780 - Apparatus and method for prolonging lamp lifetime: An apparatus for prolonging lamp lifetime by reducing luminance of a least one lamp (5) in phases includes an image signal outputting unit (1), a scaler (2), and a Microprogrammed Control Unit (MCU) (4). The MCU further includes a CPU (41), a timer (42), and a memory (43). The image...

20060049782 - Lighting apparatus having a plurality of independently controlled sources of different colors of light: A lighting apparatus includes a first source of monochromatic light, a second source of white light, and a third source of polychromatic light. The light from the three sources combine to produce a resultant color of light from the apparatus. The intensities of the light emitted by the first, second...

20060049781 - Use of a plurality of light sensors to regulate a direct-firing backlight for a display: A direct-firing backlight for a display is designed with a plurality of light emitting regions. Each of a plurality of light sensors is positioned to sense light produced by a corresponding one of the light emitting regions. A control system is operatively associated with the light sensors and light emitting...

20060043900 - Lamp and driving device for backlight assembly having the same: A lamp includes first and second glass tube portions for emitting light, respective one ends of the first and second glass tube portions being bent and connected integrally to each other, first and second electrodes respectively formed at respective other ends of the first and second glass tube portions, and...

20060043901 - Lighting control circuit for vehicle lighting equipment: A higher voltage out of a battery voltage applied to an ignition voltage terminal or a control voltage applied to a control voltage terminal is supplied to a switching regulator via a diode. Then, a supply of current to an LED in the switching regulator is controlled in compliance with...

20060043902 - Power supply device with built-in cord spool for a power transmission cord: A power supply device for an electronic apparatus includes a housing, a battery unit disposed in the housing, a control circuit disposed in the housing and coupled electrically to the battery unit, and a power transmission cord having an inner end coupled to the control circuit, and an outer end...

20060043903 - Electromagnetic energy distributions for electromagnetically induced mechanical cutting: Output optical energy pulses including relatively high energy magnitudes at the beginning of each pulse are disclosed. As a result of the relatively high energy magnitudes which lead each pulse, the leading edge of each pulse includes a relatively large slope. This slope is preferably greater than or equal to...

20060043904 - Led current pulse limiter arrangement: An arrangement for supplying a constant current to at least one LED includes a current source (2; 2a, 2b) with an output capacitor (3) connected across the terminals of the current source. An output inductor (4) is associated with the output capacitor (3) whereby the current supplied flows through the...

20060043905 - Device and method for detecting high voltage: A non-contact voltage detecting method and device are provided. The non-contact voltage detecting device includes a discharge lamp having an excitation voltage and a lighting voltage applied thereon, a boost circuit coupled to the discharge lamp for providing an operation voltage to the discharge lamp and a switch circuit coupled...

20060043906 - Driving-circuit module for connecting to a christmas light string: A driving-circuit module for connecting to a Christmas light string includes electrically connected voltage-retrieving unit, rectification unit, voltage-stabilizing unit, regulating unit, and noise-eliminating unit. The driving-circuit module may replace a bulb on the light string to retrieve the specific voltage and amperage from the light string no matter what number...

20060043907 - Circuit arrangement for producing a control signal for the purpose of dimming at least one lamp: A circuit arrangement for producing a control signal (Us) for the purpose of dimming at least one lamp, including a device (10) for modifying the phase gating angle corresponding to a dimming input value (8), it being possible for the device (10) for modifying the phase gating angle to be...

20060043909 - Backlight inverter for u-shaped lamp: Disclosed herein is a backlight inverter for a U-shaped lamp which is capable of detecting an abnormal state of an inverter circuit. The backlight inverter comprises a driver for supplying first and second transformer drive voltages in response to an operation control signal and cutting off the supply of the...

20060043908 - Driving circuit for energy recovery in plasma display panel: An energy recovery driving circuit of the present invention has a resonant inductor, a primary coil and at least one secondary coil of a transformer, and an energy recovery unit. The resonant inductor is connected to the load for allowing a charge and/or discharge current to be applied to the...

20060043911 - Method and circuit for driving a low voltage light emitting diode: In a method for producing a control signal for regulating a drive current for driving an LED, a current through the LED is sensed, wherein the LED is driven by a power converter output, and wherein an output voltage of the power converter is proportionately controlled by a control signal....

20060043910 - Modularized inverter control circuit: A modularized inverter control circuit makes use of a push-pull type control IC to connect other accessory circuit units, and is packaged and disposed on a printed circuit board to accomplish modularization for driving and control of various inverter circuits. The modularized inverter control circuit comprises a control IC for...

20060043912 - Oled area illumination source: The present invention relates to an area illumination light source comprising a plurality of individual OLED panels. The individual OLED panels are configured in a physically modular fashion. Each OLED panel comprising a plurality of OLED devices. Each OLED panel comprises a first electrode and a second electrode such that...

20060043913 - Stationary ion cold cathode fluorescent lighting system: The present invention relates to a stationary ion cold cathode fluorescent lighting system comprising a cold cathode fluorescent lamp with a radial D.C. electric field established therein so as to sufficiently energize electrons ionized therein through a process of chain collision and reduce the radial velocity of mercury ions (Hg+2)...