| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 04/28/2009 | US7525258 Current balancing techniques for fluorescent lamps |
| 04/28/2009 | US7525257 Device for driving light sources |
| 04/28/2009 | US7525255 Split phase inverters for CCFL backlight system |
| 04/28/2009 | US7525253 Microwave energized plasma lamp with dielectric waveguide |
| 04/23/2009 | WO2009051350A1 Planar light-source pulse-type driving circuit using a current source |
| 04/23/2009 | WO2009049674A1 Electronic ballast and method for operating a discharge lamp |
| 04/23/2009 | US20090103307 Wireless control lamp structure |
| 04/23/2009 | US20090103287 Ornament having an internal electric lighting adaptable to various lighting effects |
| 04/23/2009 | US20090103007 Dielectric barrier discharge lamp, backlight device, and liquid crystal display device |
| 04/23/2009 | US20090102400 Method for driving a ptc electrical load element |
| 04/23/2009 | US20090102399 Backlight led drive circuit |
| 04/23/2009 | US20090102397 System and method for controlling multiple light sources |
| 04/23/2009 | US20090102396 Lighting control system for a lighting device |
| 04/23/2009 | US20090102393 Circuit Arrangement for Operation of a Discharge Lamp with a Switchable Tuned Capacitor |
| 04/23/2009 | US20090102392 Protection architecture for multi-lamp system |
| 04/23/2009 | US20090102387 Solar powered light assembly to produce light of varying colours |
| 04/23/2009 | DE19734298B4 Zündschaltkreis zum Zünden einer Leuchtstoffröhre mit vorheizbaren Elektroden Lighting circuit for lighting a fluorescent tube with electrodes preheatable |
| 04/22/2009 | EP2051568A2 Light source apparatus, projector, and light source apparatus drive method |
| 04/22/2009 | EP2051567A1 A lighting unit and a control method thereof |
| 04/22/2009 | EP2051234A2 Display apparatus, quantity-of-light adjusting method for display apparatus and electronic equipment |
| 04/22/2009 | EP2050318A1 Method for powering a control circuit for a gas discharge lamp during pre-heating of said lamp, and a device for performing said method |
| 04/22/2009 | EP2050317A1 Method and circuit for heating an electrode of a discharge lamp |
| 04/22/2009 | EP1687692A4 Light system manager |
| 04/22/2009 | CN201226614Y Control device for multipath synergic light-modulation system of cold-cathode lamp |
| 04/22/2009 | CN201226613Y DC florescent lamp apparatus |
| 04/22/2009 | CN201226612Y 一种电子镇流器 An electronic ballast |
| 04/22/2009 | CN201226344Y Electrodeless lamp equipped with ventilating, heat-insulating and radiating device |
| 04/22/2009 | CN201226343Y Electrodeless lamp electric appliance case |
| 04/22/2009 | CN201226337Y High-efficiency energy-saving lamp |
| 04/22/2009 | CN101416566A Method and device for driving a lamp |
| 04/22/2009 | CN101416565A Discharge lamp illumining apparatus |
| 04/22/2009 | CN101415288A Light-adjusting circuit for electrodeless florescent lamp |
| 04/22/2009 | CN101415287A Protection and control circuit for high-power HID lamp electric ballast |
| 04/22/2009 | CN101415286A Electronic ballast for fluorescent lamp |
| 04/22/2009 | CN101415285A High-frequency feedback circuit |
| 04/22/2009 | CN101415284A Light source apparatus, projector, and light source apparatus drive method |
| 04/22/2009 | CN101414814A Drive circuit |
| 04/22/2009 | CN100482029C Lighting device of discharge lamp |
| 04/22/2009 | CN100482015C Low-voltage power supply circuit for illumination, and low-voltage power supply output method and illumination device |
| 04/21/2009 | US7522878 Adaptive inductive power supply with communication |
| 04/21/2009 | US7522832 Apparatus and method for strobe charging |
| 04/21/2009 | US7522831 Charging device for camera flash |
| 04/21/2009 | US7521876 Electronic ballast with lamp type determination |
| 04/21/2009 | US7521875 Electronic light generating element light bulb |
| 04/21/2009 | US7521873 Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps |
| 04/21/2009 | US7520632 Illuminator and display device using the same |
| 04/16/2009 | WO2009047174A1 Circuit and method for double peak current control |
| 04/16/2009 | WO2009046914A1 Operating device for controlling the warm-up time of a lamp |
| 04/16/2009 | WO2009046891A1 Method for determining operational parameters for a gas discharge lamp to be operated with electronic ballast and corresponding ballast |
| 04/16/2009 | US20090097246 Planar illumination device |
| 04/16/2009 | US20090096393 Electron-Emissive Element and Display Element |
| 04/16/2009 | US20090096391 Control of Delivery of Current Through One or More Discharge Lamps |
| 04/16/2009 | US20090096390 Electronic Ballast and Method for Operating an Electrical Lamp |
| 04/16/2009 | US20090096388 Driver for light emitting semiconductor device |
| 04/16/2009 | US20090096387 Driver system and method for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps |
| 04/16/2009 | US20090096386 Light-emitting systems |
| 04/16/2009 | US20090096385 Light source apparatus, projector, and light source apparatus drive method |
| 04/16/2009 | US20090096383 Inverter and Liquid Crystal Display Device Including the Same |
| 04/16/2009 | US20090096382 Drive control circuit, emission control circuit, communication apparatus and drive control method |
| 04/16/2009 | DE4335375B4 Netzgerät zur Speisung einer Gasentladungslampe Power supply unit for supplying a gas discharge lamp |
| 04/16/2009 | DE19819510B4 Schaltungsanordnung zum Zünden und Betreiben einer Entladungslampe A circuit arrangement for igniting and operating a discharge lamp |
| 04/16/2009 | DE19549861B4 Ansteuerungssystem zum Zünden bzw. Betreiben von Hochdruckentladungslampen Control system for igniting and operating high-pressure discharge lamps |
| 04/15/2009 | EP2048435A1 Backlight device, liquid crystal display device, method for assembling backlight device and substrate device for connecting fluorescent tube |
| 04/15/2009 | EP2048431A1 Solar lamp with dimmer |
| 04/15/2009 | EP2048029A1 Car-mounted head light control device, car-mounted head light control system and car-mounted head light, and, high-brightness discharge lamp control device, high-brightness discharge lamp control system and car-mounted head light |
| 04/15/2009 | EP2047721A1 Monitoring device |
| 04/15/2009 | EP2047720A1 Apparatus and method for monitoring at least one fluorescent lamp |
| 04/15/2009 | EP2047719A1 Use of an electronic ballast, method for driving an electronic ballast and dali controller |
| 04/15/2009 | EP2047718A1 High-pressure discharge lamp |
| 04/15/2009 | EP2047716A1 Illumination device |
| 04/15/2009 | EP1402311B1 External electrode fluorescent lamp, back light unit using the external electrode fluorescent lamp, lcd back light equipment using the back light unit and driving device thereof |
| 04/15/2009 | CN201222818Y Road lamp electric ballast |
| 04/15/2009 | CN201222817Y Power supply device for high-frequency electrode-free lamp |
| 04/15/2009 | CN201222816Y High-performance electricity-saving electric ballast |
| 04/15/2009 | CN201222815Y Compact high-intensity discharge lamp trigger and circuit board |
| 04/15/2009 | CN201222485Y 无极放电灯 Promise discharge lamp |
| 04/15/2009 | CN201222484Y Ring shaped electrodefree florescent lamp component with lamp holder |
| 04/15/2009 | CN201222477Y Plastic metallic halogen lamp |
| 04/15/2009 | CN201222476Y Compact high-intensity discharge lamp with lamp holder |
| 04/15/2009 | CN201222475Y Buckle type energy-saving sun lamp |
| 04/15/2009 | CN101411247A Operating appliance for a lighting device |
| 04/15/2009 | CN101411246A Alternating current power supply device and integrated circuit for alternating current power supply device |
| 04/15/2009 | CN101411245A Apparatus and method for lighting dielectric barrier discharge lamp |
| 04/15/2009 | CN101411186A Projector using lamp, method and program for controlling discharge lamp light source |
| 04/15/2009 | CN101410933A Cold cathode lamp, illuminating device for display comprising same, and display |
| 04/15/2009 | CN101409973A Method for prolonging self-absorption hollow cathode lamp longevity using intermission pulse lighting technology |
| 04/15/2009 | CN101409972A Driver system and method for a plurality of cold cathode fluorescent lamp and/or outer electrode florescent lamp |
| 04/15/2009 | CN101409971A Dual peak current controlled circuit and method |
| 04/15/2009 | CN101409970A Drive circuit, method and backlight system for a plurality of loads |
| 04/15/2009 | CN101409500A Inverter and liquid crystal display device including the same |
| 04/15/2009 | CN100479318C High voltage power supply with light emitting discharge tube for protection circuit and fault protecting circuits |
| 04/15/2009 | CN100479294C Electronic device having path of power supplied to display part switched according to whether external power is supplied |
| 04/14/2009 | US7518594 Liquid crystal display device having an improved backlight |
| 04/14/2009 | US7518318 Circuit for a gas-discharge lamp |
| 04/14/2009 | US7518315 Microwave energized plasma lamp with solid dielectric waveguide |
| 04/09/2009 | WO2009045548A1 Led circuits and assemblies |
| 04/09/2009 | WO2008080016A3 Multiple gas discharge lamp interleave trigger circuit |
| 04/09/2009 | US20090091273 Light source for generating extreme ultraviolet light from plasma |
| 04/09/2009 | US20090091272 Projection-type image display apparatus, lighting apparatus and lighting method realizing an extended lifetime |
| 04/09/2009 | US20090091269 High Frequency Pulsed Supply For Discharge Lamps |