| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 07/03/2008 | US20080158916 DC-AC Converter and Controller IC Therefor |
| 07/03/2008 | US20080158135 Backlight assembly, method of driving the same, and liquid crystal display having the same |
| 07/03/2008 | US20080157701 Electric discharge lamp control unit with sealing structure |
| 07/03/2008 | US20080157699 Light emitting diode driving circuit, backlight unit and liquid crystal display incorporating the same |
| 07/03/2008 | US20080157695 Method and apparatus for pulsing high power lamps |
| 07/03/2008 | US20080157694 Automotive high intensity discharge ballast |
| 07/03/2008 | US20080157693 Electrodeless Discharge Lamp Lighting Device and Lighting Apparatus |
| 07/03/2008 | US20080157691 Switching power supply circuit having independent loops |
| 07/03/2008 | US20080157690 Electromagnetic energy distributions for electromagnetically induced mechanical cutting |
| 07/03/2008 | US20080157685 Ac inverter capable of driving mutliple lamps for lcd panel backlight |
| 07/03/2008 | US20080157682 Ambient light sensor circuit and flat panel display device having the same |
| 07/03/2008 | US20080157679 Standby lighting for lamp ballasts |
| 07/03/2008 | DE10310591B4 Elektronisches Vorschaltgerät und Schaltungsanordnung zum Betreiben einer Gasentladungslampe Electronic ballast and circuit arrangement for operating a gas discharge lamp |
| 07/02/2008 | EP1940204A1 Electronic stabilizer capable of adjusting light for electrodeless discharge lamp and illumination device |
| 07/02/2008 | EP1940201A2 Electronic flash, electronic camera and light emitting head |
| 07/02/2008 | EP1938670A1 Electronic ballast device and method for operating an electric lamp |
| 07/02/2008 | EP1938669A1 Method for operating a gas discharge lamp |
| 07/02/2008 | CN201081872Y Automatic lamp panel dimmer |
| 07/02/2008 | CN201081181Y Power-saving lamp |
| 07/02/2008 | CN201081132Y Fire-fighting emergency marker lamp |
| 07/02/2008 | CN101213887A Energy efficient fluorescent lamp |
| 07/02/2008 | CN101213886A Method for driving a high-pressure gas discharge lamp of a projector system |
| 07/02/2008 | CN101213885A Dimmer having a microprocessor-controlled power supply |
| 07/02/2008 | CN101213884A Method of driving a discharge lamp in a projection system, and driving unit |
| 07/02/2008 | CN101213883A Device and method for operating a high-pressure discharge lamp |
| 07/02/2008 | CN101213882A Gas discharge lamp ignition |
| 07/02/2008 | CN101213047A Component with a weld projection having a projection and lamp housing part comprising a component with a weld projection |
| 07/02/2008 | CN101212856A Cold cathode fluorescent lamp inverter apparatus |
| 07/02/2008 | CN101212855A Fluorescent lamp driving method and circuit |
| 07/02/2008 | CN101211065A Liquid crystal module group |
| 07/02/2008 | CN101210668A Light sensitive daylight lamp |
| 07/02/2008 | CN100399158C Device and method for driving lamp of liquid crystal display device |
| 07/01/2008 | US7394340 Electromagnetic device, high-voltage generating device, and method for making the electromagnetic device |
| 07/01/2008 | US7394213 Multi-lamp driver |
| 07/01/2008 | US7394209 Liquid crystal display system with lamp feedback |
| 07/01/2008 | US7394208 Simplified electronic ballast circuit and method of operation |
| 07/01/2008 | US7394206 Electronic ballast with life-ended protection |
| 06/26/2008 | WO2008075389A1 A cell arrangement for feeding electrical loads such as light sources, corresponding circuit and design method |
| 06/26/2008 | WO2008074664A1 Lamp with a radio-frequency identification chip which can be read without making contact |
| 06/26/2008 | WO2008074360A1 Circuit arrangement and method for operating a high-pressure discharge lamp |
| 06/26/2008 | WO2008074231A1 A voltage regulation and control circuit of illumination lamplight |
| 06/26/2008 | WO2008036978A9 Lighting systems |
| 06/26/2008 | US20080154103 Pulse Signal Drive Circuit |
| 06/26/2008 | US20080151586 Control Circuit for Converters |
| 06/26/2008 | US20080151450 Feedback and protection circuit of liquid crystal display panel backlight apparatus |
| 06/26/2008 | US20080150451 Method and apparatus and system for adjusting power to hid lamp to control level of light output and conserve energy (ballast multi-tap power output) |
| 06/26/2008 | US20080150450 Systems and methods for led based lighting |
| 06/26/2008 | US20080150449 Control circuits for dimming control |
| 06/26/2008 | US20080150448 Lamp Base for a High-Pressure Discharge Lamp and Corresponding High-Pressure Discharge Lamp |
| 06/26/2008 | US20080150447 Electronic ballasts |
| 06/26/2008 | US20080150446 Load Control Device Having a Split Enclosure |
| 06/26/2008 | US20080150444 Cold cathode fluorescent lamp inverter apparatus |
| 06/26/2008 | US20080150443 Multiple gas discharge lamp interleave trigger circuit |
| 06/26/2008 | US20080150442 Method for operating a fluorescent lamp |
| 06/26/2008 | US20080150426 Glow-Switch Starter, Lighting Device and Lighting System Therewith, and Use Thereof |
| 06/26/2008 | US20080150424 Display element and display device |
| 06/26/2008 | DE102007062242A1 Entladungslampe-Erregungsschaltung Discharge lamp lighting circuit |
| 06/26/2008 | DE102006061357A1 Verfahren zur Ansteuerung einer Leuchtstofflampe A method of driving a fluorescent lamp |
| 06/26/2008 | DE102006060805A1 Verfahren zur Bestimmung der Temperatur am Tc-Punkt eines Vorschaltgerätes sowie Vorschaltgerät Method for determining the temperature at the Tc point of a ballast and ballast |
| 06/26/2008 | DE102006060773A1 Method e.g. for operating high-pressure discharge lamp, involves switching through start-up phase until it reaches operational phase and intermittent operation is provided between two levels with switching taking place |
| 06/25/2008 | EP1937038A2 Power regulator |
| 06/25/2008 | EP1937037A2 Method for measuring the temperature at the Tc point of a preswitching device and preswitching device |
| 06/25/2008 | EP1935217A2 Dimmable ballast control integrated circuit |
| 06/25/2008 | EP1935136A2 Wireless building automation and control network, digital ballast and wireless control device |
| 06/25/2008 | CN201078869Y Regulating device of sunlight lamp |
| 06/25/2008 | CN201078868Y Terminal controller of wave carrier illuminate network |
| 06/25/2008 | CN201078867Y Local commutation protective circuit of electronic ballast for fluorescent lamp |
| 06/25/2008 | CN201078666Y Integration detachable type sunlight lamp |
| 06/25/2008 | CN101209002A High pressure lamp with lamp flicker suppression and lamp voltage control |
| 06/25/2008 | CN101209001A Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp |
| 06/25/2008 | CN101209000A Magnetic ballast |
| 06/25/2008 | CN101208999A Method and system for controling a luminaire |
| 06/25/2008 | CN101208998A Method and device for dimming lighting control devices to a predefined level |
| 06/25/2008 | CN101208997A RFC and ballast control IC |
| 06/25/2008 | CN101208769A Gas-discharge lamp and method of manufacturing a gas-discharge lamp |
| 06/25/2008 | CN101208586A Method and system for luminance characterization |
| 06/25/2008 | CN101207963A Pre-heating control apparatus for adjusting gas discharge light tube electric voltage |
| 06/25/2008 | CN101207962A Transformer, backlight apparatus, and display apparatus |
| 06/25/2008 | CN101207961A Electric voltage regulating and controlling circuit of illumination light |
| 06/25/2008 | CN101207960A Drive unit of gas discharge lamp |
| 06/25/2008 | CN101207959A Multiple ignition type fluorescent lamp start circuit |
| 06/25/2008 | CN101206344A Optical source and liquid crystal display device |
| 06/25/2008 | CN100397956C Backlight driving circuit |
| 06/25/2008 | CN100397955C Discharging fluorescent tube circuit capable of controlling starating time and possessing overvoltage protection |
| 06/25/2008 | CN100397770C Method and apparatus for single-ended conversion of DC to AC power for driving discharge lamps |
| 06/25/2008 | CN100397768C A dc-dc converter with reduced surge voltage and an electronic ballast including the converter for a discharge lamp |
| 06/25/2008 | CN100397552C Extra-high pressure discharge lamp lighting device |
| 06/25/2008 | CN100397551C Device for operating a short arc discharge mercury lamp |
| 06/25/2008 | CN100397459C Active matrix type display apparatus |
| 06/25/2008 | CN100397273C PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller |
| 06/25/2008 | CN100397199C Apparatus of driving lamp and liquid crystal display device using the same |
| 06/25/2008 | CN100397197C Luminous tube linked protector and operation method |
| 06/24/2008 | US7391172 Optical and temperature feedbacks to control display brightness |
| 06/24/2008 | US7391167 Backlight assembly, display device and driving apparatus of light source for display device |
| 06/24/2008 | US7391166 Parallel lighting system for surface light source discharge lamps |
| 06/24/2008 | US7391165 Discharge lamp lighting control device |
| 06/24/2008 | US7391164 Visual notification methods for candy-bar type cellphones |
| 06/24/2008 | US7391163 Apparatus of driving light source for display device |
| 06/24/2008 | US7391158 Plasma lamp with dielectric waveguide |
| 06/19/2008 | WO2008072938A1 Synchronous lighting system of multiple xenon lamp |