| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 10/07/2009 | CN201323688Y Improved electronic ballast of HID lamp |
| 10/07/2009 | CN201323687Y Driving device of lamp tubes |
| 10/07/2009 | CN201323686Y Liquid crystal back light driving device |
| 10/07/2009 | CN201323685Y Liquid crystal back light driving device |
| 10/07/2009 | CN201323684Y Hid灯故障显示装置 Hid lamp fault display device |
| 10/07/2009 | CN201323680Y Electric light source automatic adjustment and control device |
| 10/07/2009 | CN201322289Y Environment-friendly negative oxygen ion energy-saving lamp |
| 10/07/2009 | CN201322287Y Lighting device |
| 10/07/2009 | CN201322244Y Voltage-regulating light-changing xenon light amplifier |
| 10/07/2009 | CN101554096A Circuit arrangement and method for operating a high-pressure discharge lamp |
| 10/07/2009 | CN101553073A Single-phase lighting system power saving device and method thereof |
| 10/07/2009 | CN101553072A An energy saving device for lighting |
| 10/07/2009 | CN101553071A Discharge lamp system and control method thereof |
| 10/07/2009 | CN101553070A Fluorescent lamp driving device and liquid crystal display apparatus using the same |
| 10/07/2009 | CN101553069A 电子安定器电路 Electronic ballast circuit |
| 10/07/2009 | CN101553068A Method and apparatus for controlling simple controllable sequential pulse type igniting circuit |
| 10/07/2009 | CN100548085C Discharge lamp lighting device, illuminating device, projector |
| 10/07/2009 | CN100547511C Digital control system for LCD backlights |
| 10/06/2009 | US7598748 Inverter system |
| 10/06/2009 | US7598677 Multiple failure detection shutdown protection circuit for an electronic ballast |
| 10/06/2009 | US7598655 Piezoelectric transformer driving apparatus and piezoelectric transformer driving method |
| 10/06/2009 | CA2530633C Discharge lamp lighting device, and illuminator |
| 10/06/2009 | CA2341884C Electronic ballast for discharge lamp with dielectrically impeded discharges |
| 10/01/2009 | WO2009120555A1 Phase-cut dimming circuit |
| 10/01/2009 | WO2009119233A1 Synchronous operation system for discharge tube lighting device, discharge tube lighting device, and semiconductor integrated circuit |
| 10/01/2009 | WO2009118696A1 Power regulation and control system therefor |
| 10/01/2009 | WO2009118617A1 Hair-growth adjusting light emitting device |
| 10/01/2009 | WO2009118134A1 Circuit configuration for starting hid gas discharge lamps |
| 10/01/2009 | WO2009118128A1 Circuit arrangement for operating hid discharge lamps |
| 10/01/2009 | US20090244881 Back-Up Lighting System |
| 10/01/2009 | US20090244396 Electrical discharge tube, illumination apparatus for display device, liquid crystal display device, and liquid crystal display television |
| 10/01/2009 | US20090243994 Backlight control device and display apparatus |
| 10/01/2009 | US20090243558 Electronic ballast with hold-up energy storage |
| 10/01/2009 | US20090243514 Power supply apparatus for lighting device |
| 10/01/2009 | US20090243512 Drive circuit, light emitting diode head, and image forming apparatus |
| 10/01/2009 | US20090243511 Stabilized high power LED module |
| 10/01/2009 | US20090243508 Ballast circuit |
| 10/01/2009 | US20090243506 Method and device for driving a lamp |
| 10/01/2009 | US20090243505 Frequency synchronizing method for discharge tube lighting apparatus, discharge tube lighting apparatus, and semiconductor integrated circuit |
| 10/01/2009 | US20090243504 Backlight unit |
| 10/01/2009 | US20090243503 Discharge lamp lighting device |
| 10/01/2009 | US20090243502 Display device |
| 10/01/2009 | US20090243501 Combined serial/parallel light configuration |
| 10/01/2009 | US20090243500 LCD and Backlight Module Thereof |
| 10/01/2009 | US20090243491 Fluorescent lamp driving device and liquid crystal display apparatus using the same |
| 10/01/2009 | US20090243488 Microwave energized plasma lamp with dielectric waveguide |
| 10/01/2009 | DE102008059558A1 Flüssigkristallanzeigevorrichtung A liquid crystal display device |
| 10/01/2009 | DE102008017557A1 Betriebsgerät für Leuchtmittel Operating device for lamps |
| 10/01/2009 | DE102008017545A1 Schaltungsanordnung zum Betreiben von HID-Ladungslampen Circuit arrangement for operating HID lamps charge |
| 10/01/2009 | DE102008016757A1 Controlling gas discharge lamps using half- or full-wave bridge circuit, employs feedback signal representative of mean value of lamp current |
| 10/01/2009 | DE102008016754A1 Niedervoltversorgung in Betriebsgeräten für Leuchtmittel Low-voltage supply in operating devices for lamps |
| 10/01/2009 | DE102008016753A1 Erkennung des Typs einer Hochdruck (HID)-Entladungslampe Recognition of the type of high pressure (HID) -Entladungslampe |
| 10/01/2009 | DE102008016752A1 Erkennung der Belegung eines Anschlusses eines Betriebsgeräts für Leuchtmittel Recognition of the occupation of a port of an operating device for lamps |
| 10/01/2009 | DE102008015645A1 Schaltungsanordnung zum Zünden von HID-Gasentladungslampen Circuit arrangement for igniting HID gas discharge lamps |
| 09/30/2009 | EP2106203A2 Dimmable fluorescent lamp ballast |
| 09/30/2009 | EP2106202A1 Discharge lamp lighting device, control method thereof, and projector |
| 09/30/2009 | EP2106201A2 Control circuit for fluorescent lamp |
| 09/30/2009 | EP2106200A2 Discharge lamp lighting device and illumination fixture |
| 09/30/2009 | EP2106199A2 High-voltage discharge lamp lighting device and lighting equipment |
| 09/30/2009 | EP2105818A2 Flow controlling device |
| 09/30/2009 | CN201319691Y Ballast for electricity-saving lamp |
| 09/30/2009 | CN201319690Y Fluorescence lamp electronic ballast |
| 09/30/2009 | CN101548586A Inverter control circuit, light emitting device employing the same and display |
| 09/30/2009 | CN101548585A Cell arrangement for feeding electrical loads such as light sources, corresponding circuit and design method |
| 09/30/2009 | CN101547547A Dimmable fluorescent lamp ballast |
| 09/30/2009 | CN101547546A Automatic power-variable remote dimming HID intelligent controller |
| 09/30/2009 | CN101547545A Fluorescent lamp control circuit |
| 09/30/2009 | CN101546925A Charge control method for capacitor of flash lamp of digital camera |
| 09/30/2009 | CN101546687A Hot-cathode gas discharge long life lamp without filament |
| 09/30/2009 | CN101546059A Liquid crystal display device, infrared transmitting device and remote control display system |
| 09/30/2009 | CN101545600A Backlight module, method for controlling same, liquid crystal display device and method for controlling same |
| 09/30/2009 | CN100546428C Amperite control device |
| 09/30/2009 | CN100546427C Ballast with composite frequency modulation of random noise and triangle wave for gold haologen lamp |
| 09/30/2009 | CN100546426C Ballast with composite frequency modulation of sine wave and noise for high voltage sodium lamp |
| 09/30/2009 | CN100546425C Circuit for realizing electric arc switching and nospark high voltage resistant relay |
| 09/30/2009 | CN100546424C An electronic ballast with end-of-life (EOL) protection |
| 09/24/2009 | WO2009115983A1 End-of-life protection circuit for high-intensity discharge lamp |
| 09/24/2009 | WO2009115962A1 Method and device for driving a hid lamp |
| 09/24/2009 | WO2009115260A1 Power regulation of gas discharge lamps in half bridge and full bridge circuits |
| 09/24/2009 | WO2009115120A1 Method and operating device for minimizing the insulation stress of a high-pressure discharge lamp system |
| 09/24/2009 | WO2009115117A1 Lamp system comprising a gas discharge lamp and method for operating a gas discharge lamp |
| 09/24/2009 | WO2009096166A3 High-pressure discharge lamp system and projector using the same |
| 09/24/2009 | WO2008133792A3 Solid state lighting apparatus |
| 09/24/2009 | US20090237625 Discharge lamp lighting device, control method for the same, and projector |
| 09/24/2009 | US20090237624 Discharge lamp lighting device, control method for the same, and projector |
| 09/24/2009 | US20090237623 Discharge lamp starter, method for controlling the same, and projector |
| 09/24/2009 | US20090237009 Discharge lamp lighting device, control method thereof, and projector |
| 09/24/2009 | US20090237008 Left/right turn indicator for vehicle |
| 09/24/2009 | US20090237005 Electronic device capable of controlling led brightness and method thereof |
| 09/24/2009 | US20090237001 Light Output Device and Image Forming Apparatus Including the Same |
| 09/24/2009 | US20090237000 Pdp driving apparatus and plasma display |
| 09/24/2009 | US20090236999 Discharge lamp lighting device and light fixture |
| 09/24/2009 | US20090236998 Driving method and driving device for discharge lamp, light source device, and image display device |
| 09/24/2009 | US20090236997 LED control circuit and method, and insect resistive LED lamp |
| 09/24/2009 | US20090236996 Drive circuit for driving indicators in computer system |
| 09/24/2009 | DE202009009908U1 Energiesparlampe Energy saving lamp |
| 09/24/2009 | DE202009009254U1 Adapter für Kompaktleuchtstofflampen oder Leuchtdiodenlampen mit integriertem Vorschaltgerät Adapter for compact fluorescent lamps or LEDs with integrated ballast |
| 09/24/2009 | DE19964556B4 Schaltungsanordnung zum Betreiben von Gasentladungslampen, insbesondere Hochdruck-Gasentladungslampen Circuit arrangement for operating gas discharge lamps, in particular high-pressure gas discharge lamps, |
| 09/24/2009 | DE102009011211A1 Elektrisches Vorschaltgerät für eine Gasentladungslampe mit gesteuerter Wendelheizung beim Dimmen Electric ballast for a gas discharge lamp filament heating controlled dimming |
| 09/24/2009 | DE102008014996A1 Elektronisches Vorschaltgerät, Beleuchtungsgerät und Verfahren zum Betrieb dieser Electronic ballast, lighting apparatus and method for operation of this |