| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 02/27/2008 | CN201029090Y Integrative ceramic metal halide lamp |
| 02/27/2008 | CN101133687A Igniter circuit for an hid lamp |
| 02/27/2008 | CN101133686A Lighting unit and lamp |
| 02/27/2008 | CN101133545A Driving circuit of piezoelectric transformer |
| 02/27/2008 | CN101132665A Discharge lamp lighting circuit |
| 02/27/2008 | CN101132664A Light adjusting method and device for hot-cathode fluorescent light tube |
| 02/27/2008 | CN101131913A High-luminous flux cold-cathode fluorescent lamp |
| 02/27/2008 | CN100372444C Series cold-cathode starting gas discharging light illuminating system with adjustable light |
| 02/27/2008 | CN100371782C Method and apparatus for driving liquid crystal display device |
| 02/26/2008 | US7336039 Driving device for discharge lamps |
| 02/26/2008 | US7336038 Method and apparatus for single-ended conversion of DC to AC power for driving discharge lamps |
| 02/21/2008 | WO2008022270A2 Method and apparatus for controlling an input voltage to a light emitting diode |
| 02/21/2008 | WO2008020582A1 Ultra-high pressure mercury lamp |
| 02/21/2008 | WO2008020366A2 Method of driving a discharge lamp, driving arrangement, an projector system |
| 02/21/2008 | WO2008020202A1 A lighting device |
| 02/21/2008 | WO2008019531A1 High-frequency generator |
| 02/21/2008 | WO2008019481A1 Bi-chromatic illumination apparatus |
| 02/21/2008 | US20080042967 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display |
| 02/21/2008 | US20080042599 Ripple compensation method and apparatus |
| 02/21/2008 | US20080042598 Auxiliary lighting circuit for high intensity discharge system |
| 02/21/2008 | US20080042597 Method and apparatus for controlling an input voltage to a light emitting diode |
| 02/21/2008 | US20080042596 Backlight Device and Method for LCD Displays |
| 02/21/2008 | US20080042594 Power Supply for a Metal Vapour Lamp |
| 02/21/2008 | US20080042593 Multiple Discharge Lamp Lighting Apparatus |
| 02/21/2008 | US20080042592 Method and apparatus for reducing thermal stress in light-emitting elements |
| 02/21/2008 | US20080042591 Inductively-Driven Plasma Light Source |
| 02/21/2008 | US20080042589 Inverter and invert unit |
| 02/21/2008 | US20080042588 Electronic Ballast With Preheating and Dimming Control |
| 02/21/2008 | US20080042587 Inverter driving circuit |
| 02/21/2008 | US20080042586 Discharge-lamp lighting apparatus |
| 02/21/2008 | US20080042581 Device for the Controlled Switching of a Lamp, Use of the Device and Corresponding Operating Method |
| 02/21/2008 | US20080042579 Insulation detection power supply and electronic ballast |
| 02/21/2008 | DE102006037042A1 Data transmission arrangement has electronic ballast formed in such manner that data is imposed to light, produced by fluorescent lamp, and is transmitted by phase modulation or frequency modulation of alternating voltage |
| 02/20/2008 | CN201025660Y Lamp tube conversion device |
| 02/20/2008 | CN101129099A Glow-switch starter, lighting device and lighting system therewith, and use thereof |
| 02/20/2008 | CN101129098A Starter for low-pressure discharge lamp |
| 02/20/2008 | CN101129097A Light source |
| 02/20/2008 | CN101128080A Power supply system for cold cathode tube and light tube start method |
| 02/20/2008 | CN101128079A Light tube driving system using electric isolation control |
| 02/20/2008 | CN100370885C Piezoelectric inversion driving device |
| 02/19/2008 | US7333004 Self-adjusting strobe |
| 02/19/2008 | US7332876 Lighting apparatus for discharge lamp |
| 02/19/2008 | US7332874 Discharge lamp ignition device |
| 02/19/2008 | US7332873 Electrical circuit for fluorescent lamps |
| 02/19/2008 | US7332872 External electronic control type electrodeless lamp |
| 02/19/2008 | US7332871 High frequency power source control circuit and protective circuit apparatus |
| 02/19/2008 | US7332870 Driving voltage controller for light-emitting source |
| 02/19/2008 | US7332869 Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same |
| 02/19/2008 | US7332867 Apparatus and method for driving lamp of liquid crystal display device |
| 02/19/2008 | US7331688 Synchronous light emitting diode lamp string |
| 02/14/2008 | WO2008018558A1 Compact fluorescent lamp |
| 02/14/2008 | WO2008017980A2 Methods of and driving units for driving a gas discharge lamp |
| 02/14/2008 | WO2008017199A1 A fluorescent lamp system for converting t8 type fluorescent lamp to t5 |
| 02/14/2008 | WO2005043955A3 Electronic lighting ballast |
| 02/14/2008 | US20080037291 DC-AC Converter and Method of Supplying AC Power |
| 02/14/2008 | US20080036402 Method of detecting an arc in a glow-discharge device and apparatus for controlling a high-frequency arc discharge |
| 02/14/2008 | US20080036400 Backlight control circuit with two transistors |
| 02/14/2008 | US20080036396 Electrode mount, arc tube, low-pressure mercury vapor discharge lamp, compact self-ballasted fluorescent lamp and method of manufacturing the arc tube |
| 02/14/2008 | US20080036395 Electronic Ballast or Operating Device for Illumination Means Having Programmable or Configurable Control Unit |
| 02/14/2008 | US20080036394 Current sensing transformer, method of manufacturing current sensing transformer, lamp power supply having the current sensing transformer, and liquid crystal display having the lamp power supply |
| 02/14/2008 | US20080036393 Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system |
| 02/14/2008 | US20080036392 Method of detecting an arc in a glow-discharge device and apparatus for controlling a high-frequency arc discharge |
| 02/14/2008 | US20080036391 Half bridge inverter |
| 02/14/2008 | DE112006000747T5 Lichtquellenmodul Light source module |
| 02/14/2008 | DE102006036293A1 Überwachungsvorrichtung Monitoring device |
| 02/14/2008 | DE102006036292A1 Vorrichtung und Verfahren zur Überwachung wenigstens einer Leuchtstofflampe Apparatus and method for monitoring at least one fluorescent lamp |
| 02/13/2008 | EP1887839A2 Current sensing transformer, method of manufacturing current sensing transformer, lamp power supply having the current sensing transformer, and liquid crystal display having the lamp power supply |
| 02/13/2008 | EP1887838A1 Lamp driving circuit with floating power supply driver |
| 02/13/2008 | EP1887835A2 Electronic flash and electronic camera with light emitting head |
| 02/13/2008 | EP1886541A2 Circuit arrangement for operating a discharge lamp having temperature compensation |
| 02/13/2008 | CN201022238Y Power saver applied for inductance rectifying lighting system |
| 02/13/2008 | CN201022237Y Over voltage protection circuit and power supply device |
| 02/13/2008 | CN101124855A Discharge tube lighting circuit and electronic apparatus |
| 02/13/2008 | CN101124703A Intelligent drive circuit for a light emitting diode (LED) light engine |
| 02/13/2008 | CN101123842A Lamp tube driving circuit |
| 02/13/2008 | CN101123841A Inverter for liquid crystal display |
| 02/13/2008 | CN101123840A Fluorescent lamp tube simulation circuit model |
| 02/13/2008 | CN101122929A Electronic ballast three-winding transformer simulation circuit start-up method for fluorescent lamp |
| 02/13/2008 | CN101122718A Backlight system |
| 02/13/2008 | CN101122716A Backlight assembly and display apparatus having the same |
| 02/13/2008 | CN100368888C Illuminator and display device using the same |
| 02/12/2008 | US7329997 System including an electronic ballast for use with a spa |
| 02/12/2008 | US7329995 Serial lamp set having security warning functions |
| 02/12/2008 | US7329009 Projection system |
| 02/07/2008 | WO2008015831A1 Illumination device for display device and display device with the same |
| 02/07/2008 | WO2008015805A1 Display device illuminating device and display device provided with the illuminating device |
| 02/07/2008 | WO2008015602A1 Method for powering a control circuit for a gas discharge lamp during pre-heating of said lamp, and a device for performing said method |
| 02/07/2008 | WO2008015600A1 Method and circuit for heating an electrode of a discharge lamp |
| 02/07/2008 | WO2008015200A1 Circuit arrangement and method for operating at least one discharge lamp |
| 02/07/2008 | WO2008014942A1 Monitoring device |
| 02/07/2008 | WO2008014941A1 Apparatus and method for monitoring at least one fluorescent lamp |
| 02/07/2008 | WO2008014803A1 Use of an electronic ballast, method for driving an electronic ballast and dali controller |
| 02/07/2008 | WO2008014632A1 Ballast and ballast control method and apparatus, for example anti-arcing control for electronic ballast |
| 02/07/2008 | US20080033413 Flashlamp drive circuit |
| 02/07/2008 | US20080030153 Lighting device |
| 02/07/2008 | US20080030150 Lamp Driving Circuit for a Discharge Lamp and a Control Method Thereof |
| 02/07/2008 | US20080030149 Controller for a decorative lighting system |
| 02/07/2008 | US20080030148 Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range |
| 02/07/2008 | US20080030147 Backlight driving circuit with capacitive discharging current path and liquid crystal display with same |
| 02/07/2008 | US20080030146 Backlight driving and control circuit with an isolated power factor correction structure |