| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 03/10/2010 | CN101669409A Display device illuminating apparatus and display device |
| 03/10/2010 | CN101669408A Driver apparatus for a gas discharge lamp |
| 03/10/2010 | CN101669407A Method for igniting and starting high-pressure discharge lamps |
| 03/10/2010 | CN101668377A Cold cathode florescent lamp converter, control method thereof and control module thereof |
| 03/10/2010 | CN101668376A Flyback boost circuit and strobe device using the same |
| 03/10/2010 | CN101668375A Load control device and illumination instrument |
| 03/10/2010 | CN101668374A Lamp-lighting apparatus |
| 03/09/2010 | US7675251 Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life |
| 03/09/2010 | US7675243 Two-end driven lamp controlling device |
| 03/09/2010 | US7675241 Lighting apparatus formed by serially-driven lighting units |
| 03/09/2010 | US7675240 Light emitting diode circuit having even current |
| 03/09/2010 | CA2519605C Discharge lamp lighting control device |
| 03/04/2010 | WO2010024765A1 Method anb unit for discharge in electron flash tube |
| 03/04/2010 | WO2010023805A1 Electric discharge lamp lighting device |
| 03/04/2010 | WO2010023464A1 Control of lamp striking voltage and recovery of energy from resonant lamp strike circuits used for electronic high intensity discharge lamp ballasting and other lamp ballasts |
| 03/04/2010 | WO2009146934A3 Lamp type detection by means of power factor correction circuit |
| 03/04/2010 | WO2009112180A3 Lighting system and method for testing whether at least two gas discharge lamps to be operated by an evg are the same type |
| 03/04/2010 | WO2009036515A8 Improved start-up detection in a dimmer circuit |
| 03/04/2010 | US20100053982 Handle |
| 03/04/2010 | US20100052574 Battery-powered occupancy sensor |
| 03/04/2010 | US20100052569 Electronic device for driving light emitting diodes |
| 03/04/2010 | US20100052565 Led lighting device and lighting equipment |
| 03/04/2010 | US20100052563 Controller of Light Dimming and Overload Protection |
| 03/04/2010 | US20100052562 Remote-Control Brightness Adjusting Device |
| 03/04/2010 | US20100052561 Method for driving an inverter of a gas discharge supply circuit |
| 03/04/2010 | US20100052560 Color tunable light source |
| 03/04/2010 | US20100052559 Electronic driving device for lamps, in particular hid lamps |
| 03/04/2010 | US20100052558 Backlight assembly, driving method thereof and display apparatus |
| 03/04/2010 | US20100052557 Lamp driver circuit and method for driving a discharge lamp |
| 03/04/2010 | US20100052553 Control of Lamp Striking Voltage and Recovery of Energy From Resonant Lamp Strike Circuits Used for Electronic High Intensity Discharge Lamp Ballasting and Other Lamp Ballasts |
| 03/04/2010 | US20100052548 Variable backlight control for bezel |
| 03/04/2010 | US20100052545 Detection apparatus and method |
| 03/04/2010 | US20100052541 Circuit Arrangement and Method for Operating a Discharge Lamp with Preheatable Electrodes |
| 03/04/2010 | US20100052538 Discharge lamp lighting device, headlight device and vehicle having the same |
| 03/04/2010 | US20100050499 Intelligent pest killing lamp |
| 03/04/2010 | DE20221985U1 Elektronisches Vorschaltgerät für Gasentladungslampe Electronic ballast for gas discharge lamp |
| 03/04/2010 | DE112008000245T5 Elektronische Vorschaltgerät des Ladungspumpentyps zur Verwendung bei niedriger Eingangsspannung Electronic ballast of the charge pump type for use in low input voltage |
| 03/03/2010 | EP2160080A1 Electronic driving device for lamps, in particular HID lamps. |
| 03/03/2010 | EP2160079A1 Discharge lamp operating device, illumination device, and liquid crystal display device |
| 03/03/2010 | EP2158795A1 Dimming algorithms based upon light bulb type |
| 03/03/2010 | EP2158530A2 Method and firmware for controlling voltage and current in a fluorescent lamp array |
| 03/03/2010 | CN201418197Y Multi-frequency conversion light-intensity adjusting-type high voltage sodium lamp electronic ballast |
| 03/03/2010 | CN201418196Y Big power electronic ballast |
| 03/03/2010 | CN201418195Y 低压电子镇流器 Low-voltage electronic ballasts |
| 03/03/2010 | CN201418194Y Two stage type current balancing device for multi-strip lamp backlight |
| 03/03/2010 | CN201418193Y Conjugate ballast for high-pressure gas discharge lamp |
| 03/03/2010 | CN201418192Y Power changeable inductance-capacitance rectifier |
| 03/03/2010 | CN201416864Y Automatic control energy-saving system of indoor daylight lamp |
| 03/03/2010 | CN201416828Y Solar ceramic metal halide lamp |
| 03/03/2010 | CN201416773Y High-power high-efficiency cold cathode energy-saving lamp |
| 03/03/2010 | CN101663923A Circuit arrangement for operating a vacuum gas discharge lamp |
| 03/03/2010 | CN101663922A Illumination lamp ignition device and lighting device |
| 03/03/2010 | CN101663921A Discharge tube driving device |
| 03/03/2010 | CN101662877A Illumination device, display system and control method |
| 03/03/2010 | CN101662876A Strain monitoring system of discharging lamp and the discharging lamp |
| 03/03/2010 | CN101662875A Fault protection method and fault protection circuit of cold cathode fluorescence lamp |
| 03/03/2010 | CN101662874A Driving circuit and driving method for discharge lamp |
| 03/03/2010 | CN101662873A Electronic ballast for fluorescent lamp for series connection of a plurality of tubes |
| 03/03/2010 | CN101662872A Discharge lamp lighting device, headlight device and vehicle having the same |
| 03/03/2010 | CN101662871A Current balance circuit for fluorescent lamp, backlight module and liquid crystal display TV |
| 03/03/2010 | CN101662870A Illumination device |
| 03/03/2010 | CN100593359C Cold cathode tube lighting device and driving method and integrated circuit to be used in same |
| 03/02/2010 | US7671545 Device and method for operating a high-pressure discharge lamp |
| 03/02/2010 | US7671540 Current balancing module |
| 02/25/2010 | WO2010021191A1 Discharge tube lighting device |
| 02/25/2010 | WO2010020946A1 Circuit and method for operating a high pressure lamp |
| 02/25/2010 | WO2010020937A1 Method and system for operating a high intensity discharge lamp |
| 02/25/2010 | WO2009138916A3 Method of driving an uhp gas-discharge lamp |
| 02/25/2010 | US20100045895 Load driving device, illumination device, display device |
| 02/25/2010 | US20100045645 Backlight assembly having external electrode fluorescent lamp, method of driving thereof and liquid crystal display having the same |
| 02/25/2010 | US20100045210 Power Factor Correction in and Dimming of Solid State Lighting Devices |
| 02/25/2010 | US20100045206 LED Driving Circuit |
| 02/25/2010 | US20100045204 Self-oscillating switch circuit for use in a switching dc-dc converter |
| 02/25/2010 | US20100045203 Illumination device |
| 02/25/2010 | US20100045201 Circuit Arrangement and Method for Striking a Discharge Lamp |
| 02/25/2010 | US20100045200 Lamp drive circuit |
| 02/25/2010 | US20100045199 Ignition transformer for a discharge lamp |
| 02/25/2010 | US20100045197 Gas-discharge lamp |
| 02/25/2010 | US20100045196 Circuit arrangement for firing a discharge lamp |
| 02/25/2010 | US20100045192 Method for driving light source, light source apparatus for performing the method and display apparatus having the light source apparatus |
| 02/24/2010 | EP2157836A1 Three-level dimming circuit for discharging lamp |
| 02/24/2010 | EP2157835A2 Illumination device |
| 02/24/2010 | EP2156712A1 Circuit arrangement for operating discharge lamps and method for operating discharge lamps |
| 02/24/2010 | CN201414255Y Light tube driving device with open circuit voltage control |
| 02/24/2010 | CN201414254Y Backlight lamp protection circuit and television set comprising the circuit |
| 02/24/2010 | CN201414253Y Multi-path electronic ballast combination of fuse-free sleeve-type fluorescent lamp |
| 02/24/2010 | CN201414252Y Capacitor box |
| 02/24/2010 | CN201414237Y Dual-use fluorescent light |
| 02/24/2010 | CN201413444Y Digital camera capable of eliminating flash lamp charging waiting time |
| 02/24/2010 | CN101658075A Circuit arrangement, and method for the operation of a fluorescent lamp |
| 02/24/2010 | CN101658074A Circuit configuration for operating at least one discharge lamp and method for generating an auxiliary voltage |
| 02/24/2010 | CN101658073A High-voltage pulse generator and high-pressure discharge lamp comprising such a generator |
| 02/24/2010 | CN101658072A Circuit arrangement for igniting and operating a discharge lamp |
| 02/24/2010 | CN101657061A Three-stage dimming circuit of discharge lamp |
| 02/24/2010 | CN101657060A Method for self regulating output power of UV lamp in optical fiber curing |
| 02/24/2010 | CN101657059A Inverter controller and driving circuit |
| 02/24/2010 | CN101657058A Power conversion type inductive-capacitive ballast |
| 02/24/2010 | CN100592840C Voltage converter for water treatment system UV bulb |
| 02/24/2010 | CN100592839C Device and method for operating a discharge lamp |
| 02/24/2010 | CN100592629C Method and system for synchronizing phase of triangular signal |