| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 07/29/2009 | CN201282588Y Energy-saving electrical induction ballast for multiple daylight lamps |
| 07/29/2009 | CN101496454A Method for powering a control circuit for a gas discharge lamp during pre-heating of said lamp, and a device for performing said method |
| 07/29/2009 | CN101496453A Method and circuit for heating an electrode of a discharge lamp |
| 07/29/2009 | CN101496452A Illuminating device and liquid crystal display |
| 07/29/2009 | CN101496451A Discharge lamp operating system |
| 07/29/2009 | CN101494945A Florescent lamp capable of being used continuously after light tube being stubble or in short circuit |
| 07/29/2009 | CN101494944A Self-bias balance electronic sun lamp |
| 07/29/2009 | CN101494943A Voltage supply module and backlight assembly having the same |
| 07/29/2009 | CN101494942A Piezo-oscillator for high voltage lighting |
| 07/29/2009 | CN100521862C Bistate HID operation |
| 07/29/2009 | CN100521861C Luminous device |
| 07/29/2009 | CN100521860C High-intensity discharge lamp ballast with charged lamp rebright property |
| 07/29/2009 | CN100521859C Variable frequency preheating restartable fluorescent lamp electronic relay with abnormal protection |
| 07/29/2009 | CN100521858C Backlight inverter for liquid crystal display panel with self-protection function |
| 07/29/2009 | CN100521857C Backlight inverter for liquid crystal display panel of asynchronous pulse width modulation driving type |
| 07/29/2009 | CN100521856C Electronic ballast for high-intensity discharge lamps |
| 07/29/2009 | CN100521855C Electronic ballast of inhibiting electromagnetic interference through double shielding |
| 07/29/2009 | CN100521854C Phase controlled regulative electronic ballast of fluorescent light with extremely wide range |
| 07/29/2009 | CN100521853C Glow discharge starter |
| 07/29/2009 | CN100521486C Control device, DC/AC converter and its controller integrated circuit |
| 07/28/2009 | US7567040 High efficiency driver for color light emitting diodes (LED) |
| 07/28/2009 | US7567039 Multiple discharge lamp lighting apparatus |
| 07/23/2009 | WO2009090147A1 Starting device with two input poles |
| 07/23/2009 | WO2009089918A1 Electronic ballast and method for operating at least one gas discharge lamp |
| 07/23/2009 | US20090185105 Dc/ac inverter substrate having voltage abnormality detector circuit |
| 07/23/2009 | US20090184671 Discharge lamp lighting apparatus and semiconductor integrated circuit |
| 07/23/2009 | US20090184670 Waveform management systems and methods for ballasts |
| 07/23/2009 | US20090184667 Voltage supply module and backlight assembly having the same |
| 07/23/2009 | US20090184661 Electronic circuit for operating a plurality of gas discharge lamps across a common voltage source |
| 07/23/2009 | US20090184660 Blacklight Unit and Display Device Including the Same |
| 07/23/2009 | US20090184659 Time division multiplexing a DC-to-DC voltage converter |
| 07/23/2009 | US20090184658 Image display apparatus |
| 07/23/2009 | US20090184657 Backlight apparatus |
| 07/23/2009 | US20090184654 Inverter |
| 07/23/2009 | US20090184653 Synchronous operating system for discharge tube lighting apparatuses, discharge tube lighting apparatus, and semiconductor integrated circuit |
| 07/23/2009 | US20090184652 Antenna for a Load Control Device Having a Modular Assembly |
| 07/23/2009 | US20090184651 Circuit system for driving high-intensity discharging lamp |
| 07/23/2009 | US20090184650 Ignition circuit and method for a discharge lamp |
| 07/23/2009 | US20090184647 Safety starter device |
| 07/23/2009 | US20090184646 Light emitting diode cap lamp |
| 07/23/2009 | US20090184645 Method and circuit for heating an electrode of a discharge lamp |
| 07/23/2009 | DE202009006236U1 Fluoreszierende Lampe mit einer Überhitzungsschutzfunktion Fluorescent lamp with an overheating protection function |
| 07/23/2009 | DE202009004574U1 Vorschaltgerät für Kaltkathodenlampen Ballast for cold cathode lamps |
| 07/23/2009 | DE112007002320T5 Transformator des Blechtyps und Entladungsleuchtenbeleuchtungsvorrichtung Transformer of the sheet type and discharge lamps lighting device |
| 07/23/2009 | DE102008004787A1 Zündgerät mit zwei Eingangspolen Ignitor with two input poles |
| 07/23/2009 | DE102008000027A1 Elektronisches Vorschaltgerät sowie Schaltungsanordnung zum Dimmen von Gasentladungslampen Electronic ballast and circuit arrangement for dimming of gas discharge lamps |
| 07/22/2009 | EP2081416A2 Voltage supply module and backlight assembly having the same |
| 07/22/2009 | EP2080423A1 Method for operating a uv lamp |
| 07/22/2009 | EP2080422A2 Using pulse density modulation for controlling dimmable electronic lighting ballasts |
| 07/22/2009 | EP2080421A1 Lighting method for a high-pressure discharge lamp, lighting circuit for a high-pressure discharge lamp, high-pressure discharge lamp apparatus, and projector-type image display apparatus |
| 07/22/2009 | EP2080211A2 Discharge lamp using spread spectrum |
| 07/22/2009 | EP2080059A1 Assist light illuminance control |
| 07/22/2009 | CN201278607Y Wide range continuous light regulation non-stroboscopic energy-saving desk lamp |
| 07/22/2009 | CN201278606Y Ballast special for electronic mosquito killing lamp |
| 07/22/2009 | CN201278605Y Uhp光源装置 Uhp light source device |
| 07/22/2009 | CN201278604Y Fluorescent energy saving lamp with inductor |
| 07/22/2009 | CN101491163A Display device illuminating device and display device provided with the illuminating device |
| 07/22/2009 | CN101491162A Super-high pressure mercury lamp |
| 07/22/2009 | CN101489343A Multi-inductor combined electrical power EMI filter |
| 07/22/2009 | CN100518429C Protection electric circuit possessing a single short-circuit switch in electric stabilizer |
| 07/22/2009 | CN100518428C Illuminative device for high pressure discharge lamp |
| 07/22/2009 | CN100518427C Dimmable ballast for an electrodeless discharge lamp |
| 07/22/2009 | CN100518426C Power-supply device for discharge lamp |
| 07/22/2009 | CN100518425C Illumination device |
| 07/22/2009 | CN100517934C Dimmable ballast with resistive input and low electromagnetic interference |
| 07/22/2009 | CN100517502C Power-up circuit semiconductor memory device |
| 07/22/2009 | CN100516643C Microwave powered lamphead having external shutter |
| 07/21/2009 | US7564673 Control circuit for converters |
| 07/21/2009 | US7564197 Discharge tube operation device |
| 07/21/2009 | US7564193 DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp |
| 07/21/2009 | US7564192 HID dimming method and apparatus |
| 07/16/2009 | WO2009087748A1 Discharge lamp |
| 07/16/2009 | WO2009087747A1 Discharge lamp |
| 07/16/2009 | WO2009087729A1 Lighting circuit, and discharge lamp and illumination device having the circuit |
| 07/16/2009 | US20090180271 Nightlight Flashlight |
| 07/16/2009 | US20090179594 Bi-directional light emitting diode drive circuit in bi-directional power parallel resonance |
| 07/16/2009 | US20090179593 Bi-directional light emitting diode drive circuit in bi-directional power series resonance |
| 07/16/2009 | US20090179592 Uni-directional light emitting diode drive circuit in pulsed power non-resonance |
| 07/16/2009 | US20090179591 Uni-directional light emitting diode drive circuit in pulsed power parallel resonance |
| 07/16/2009 | US20090179587 Method for dimming a light generatng system for generating light with a variable color |
| 07/16/2009 | US20090179585 Uni-directional light emitting diode drvie circuit in bi-directional divided power impedance |
| 07/16/2009 | US20090179584 Dc/dc converter |
| 07/16/2009 | US20090179583 Digitally synchronized integrator for noise rejection in system using pwm dimming signals to control brightness of cold cathode fluorescent lamp for backlighting liquid crystal display |
| 07/16/2009 | US20090179581 Inverter circuit, backlight assembly and liquid crystal display having the same, and method thereof |
| 07/16/2009 | US20090179578 Bi-directional light emitting diode drive circuit in pulsed power series resonance |
| 07/16/2009 | US20090179577 Wireless display panel having light status indicators |
| 07/16/2009 | US20090179571 Method for Detecting Faults During Operation of High-Pressure Discharge Lamp Using Electronic Ballasts |
| 07/16/2009 | DE102008004399A1 Elektronisches Vorschaltgerät mit Strommesseinrichtung, Verfahren zu seiner Steuerung und Beleuchtungsgerät Electronic ballast with a current-measuring device, method of controlling and lighting device |
| 07/16/2009 | DE102004004319B4 Steuervorrichtung für eine Licht emittierende Diode A control apparatus for a light emitting diode |
| 07/15/2009 | EP2079288A2 Electronic pre-switching device and switching assembly for dimming gas discharge lamps |
| 07/15/2009 | EP2079287A2 Electronic pre-switching device with energy measuring device, control method and lighting device |
| 07/15/2009 | EP2079286A2 Inductively powered lamp assembly |
| 07/15/2009 | EP2079285A1 High voltage discharge lamp lighting apparatus and illuminating equipment |
| 07/15/2009 | EP2079094A2 Inductively powered lamp assembly |
| 07/15/2009 | EP2079093A2 Inductively powered lamp assembly |
| 07/15/2009 | EP1606679A4 High voltage offset detection circuit and method |
| 07/15/2009 | CN201274600Y Hidden electricity economizer for fluorescent lamp |
| 07/15/2009 | CN101483961A Novel intelligent light control electronic ballast and light control method |
| 07/15/2009 | CN101483960A Light control matching circuit for discharge lamp |
| 07/15/2009 | CN101483959A Compensatory energy saving lamp |