| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 01/29/2009 | US20090026974 Fluorescent tube power supply and backlight |
| 01/29/2009 | US20090026969 Organic light emitting device |
| 01/29/2009 | US20090026968 Plasma supply device |
| 01/29/2009 | US20090026962 Method and system for economical emergency activation of electrical devices |
| 01/29/2009 | US20090026961 Low power consumption LED emergency light |
| 01/29/2009 | DE19524185B4 Gleichrichterschaltung Rectifier circuit |
| 01/28/2009 | CN201188713Y Two-wire system light modulation control device for florescent lamp |
| 01/28/2009 | CN201188712Y Backlight module unit lamp tube set capable of preventing wire rod from connecting inversely base on phase control |
| 01/28/2009 | CN201188707Y Light modulation control circuit |
| 01/28/2009 | CN101356861A Discharge lamp lightening device and illuminator |
| 01/28/2009 | CN101356860A Method for the detection of a fault during the operation of high-pressure discharge lamps on ballasts |
| 01/28/2009 | CN101355844A Control method for illuminating apparatus |
| 01/28/2009 | CN101355843A Electricity saver for cold light source |
| 01/28/2009 | CN100456906C Ballast for a discharge lamp |
| 01/28/2009 | CN100456905C Lighting device for high-pressure discharge lamp |
| 01/28/2009 | CN100456904C Light-regulation system |
| 01/28/2009 | CN100456606C Multiple changing mode power control method |
| 01/28/2009 | CN100456123C Device and method for regulating brightness of flash lamp of camera of mobile terminal |
| 01/27/2009 | US7482762 Discharge lamp ballast with detection of abnormal discharge outside the arc tube |
| 01/27/2009 | CA2631072A1 Reclamping circuit for battery powered ballast |
| 01/27/2009 | CA2297419C Circuit arrangement for operating at least one low-pressure discharge lamp |
| 01/22/2009 | WO2009011163A1 Controller for discharge lamp and light source device |
| 01/22/2009 | WO2009011097A1 Inverter control circuit, light emitting device employing the same and display |
| 01/22/2009 | WO2009010924A2 Gas-discharge lighting system for motor vehicles |
| 01/22/2009 | WO2009010091A1 Circuit arrangement and method for operation of a discharge lamp |
| 01/22/2009 | WO2008145631A3 High-voltage pulse generator and high-pressure discharge lamp having such a generator |
| 01/22/2009 | WO2008140330A3 Energy saving lumens settable device for fluorescent lamps |
| 01/22/2009 | WO2008061936A3 Electric lamp comprising a sensory mechanism |
| 01/22/2009 | US20090021384 Method of Sampling a Modulated Signal Driven Channel |
| 01/22/2009 | US20090021189 Output power port management control |
| 01/22/2009 | US20090021188 Lamp driving device |
| 01/22/2009 | US20090021184 Illumination adjusting device and method |
| 01/22/2009 | US20090021183 Light-source module for display device and display device having the same |
| 01/22/2009 | US20090021180 Led with integrated constant current driver |
| 01/22/2009 | US20090021179 Backlight driving system for liquid crystal display |
| 01/22/2009 | US20090021178 Apparatus and method for driving backlight unit |
| 01/22/2009 | US20090021177 Diagnosis circuit apparatus and lamp ballast circuit using the same |
| 01/22/2009 | US20090021176 Semiconductor device |
| 01/22/2009 | DE102007034695A1 Schaltungsanordnung zum Betreiben einer Leuchtstofflampe Circuit arrangement for operating a fluorescent lamp |
| 01/22/2009 | DE102007031099A1 Vorschaltgerät mit verbessertem Zündspannungsmittelwert Ballast with improved Zündspannungsmittelwert |
| 01/21/2009 | EP2016808A1 Method for dimming a light generating system for generating light with a variable color |
| 01/21/2009 | CN201185501Y Multi-lamp tube backlight device |
| 01/21/2009 | CN201185500Y Power supply circuit for backlight module unit |
| 01/21/2009 | CN201185499Y AC magnetic controlled power regulation inductance ballast |
| 01/21/2009 | CN201185498Y Integration H tubular lamp electric ballast |
| 01/21/2009 | CN201185497Y Electric ballast for ring shaped lamp |
| 01/21/2009 | CN201185173Y Novel double-core HID xenon bulb for outdoor lighting |
| 01/21/2009 | CN201184523Y Xenon lamp assembly |
| 01/21/2009 | CN201184522Y Xenon lamp assembly |
| 01/21/2009 | CN101352107A Output short circuit protection for electronic ballasts |
| 01/21/2009 | CN101352106A Crest factor reduction method for electronically ballasted lamps |
| 01/21/2009 | CN101352105A Ripple reduction method for electronic ballasts |
| 01/21/2009 | CN101351073A Apparatus for detecting and adjusting illuminating value |
| 01/21/2009 | CN101351072A Control circuit for light source |
| 01/21/2009 | CN101351071A Voltage stabilizer circuit of high voltage discharge lamp |
| 01/21/2009 | CN101351070A Ballast circuit for high-intensity discharging lamp |
| 01/21/2009 | CN101351069A Illumination energy-saving apparatus for primary contactless voltage-regulating of transformer |
| 01/21/2009 | CN101349401A Intelligent servo-controlled system of automobile headlight |
| 01/21/2009 | CN100455157C Igniting device for dielectric barrier layer discharge lamp |
| 01/21/2009 | CN100455156C Switch equipment for high-pressure discharge lamp ignition |
| 01/21/2009 | CN100455155C Cold cathode fluorescent lamp driver |
| 01/21/2009 | CN100453899C Lighting apparatus for discharge lamp |
| 01/20/2009 | US7479745 LCD back light panel lamp connecting structure |
| 01/20/2009 | US7479743 Vehicle lighting apparatus |
| 01/20/2009 | US7479740 Module for parallel lighting and balancer coil for discharge lamp |
| 01/20/2009 | US7479739 Inverter circuit, backlight assembly and liquid crystal display with the same |
| 01/15/2009 | WO2009008196A1 High voltage discharge lamp lighting device |
| 01/15/2009 | WO2009008175A1 Lighting method for a high-pressure discharge lamp, lighting circuit for a high-pressure discharge lamp, high-pressure discharge lamp apparatus, and projector-type image display apparatus |
| 01/15/2009 | WO2009007914A1 Method and driving unit for driving a gas-discharge lamp |
| 01/15/2009 | WO2009007706A2 Improvements in or relating to gas discharge lamps |
| 01/15/2009 | US20090016044 Integrated dc circuit for a ceiling fan combined with a lamp |
| 01/15/2009 | US20090015180 Discharge lamp lighting apparatus |
| 01/15/2009 | US20090015179 Backlight control device and display apparatus |
| 01/15/2009 | US20090015178 LED driver and control method thereof |
| 01/15/2009 | US20090015176 Laser assisted fluorescent lamp |
| 01/15/2009 | US20090015174 Light source apparatus and driving apparatus thereof |
| 01/15/2009 | US20090015173 Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employ the same |
| 01/15/2009 | US20090015172 Light source apparatus and driving apparatus thereof |
| 01/15/2009 | US20090015170 Method for Driving LED |
| 01/15/2009 | US20090015166 Ambient light sensing circuit and flat panel display including ambient light sensing circuit |
| 01/15/2009 | DE19723625B4 Schaltungsanordnung zum Starten und Betreiben einer Entladungslampe Circuit arrangement for starting and operating a discharge lamp |
| 01/15/2009 | CA2692706A1 Improvements in or relating to gas discharge lamps |
| 01/14/2009 | EP2015618A2 Control device for operating a luminescent lamp |
| 01/14/2009 | EP2015617A2 Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employing the same |
| 01/14/2009 | EP2015346A1 Electrodeless discharge lamp device and lighting apparatus using the same |
| 01/14/2009 | CN201182034Y Adjustable photon ballast for fluorescent lamp |
| 01/14/2009 | CN201182033Y Fluorescent tunnel lamp with ceramic electrode |
| 01/14/2009 | CN201182032Y Electricity economizer for numerical control fluorescent lamp |
| 01/14/2009 | CN201182031Y Digital electric ballast for vehicle xenon lamp |
| 01/14/2009 | CN201182030Y High power high-efficiency fluorescent road lamp |
| 01/14/2009 | CN201181902Y Soft switch BUCK converter |
| 01/14/2009 | CN201181689Y High-frequency non-polar magnetic road lamp |
| 01/14/2009 | CN201180965Y Explosion-proof electric ballast for energy-saving lamp |
| 01/14/2009 | CN101346798A Dielectric barrier discharge lamp, backlight, and liquid crystal display |
| 01/14/2009 | CN101346028A Intelligent electricity-saving optimal control method |
| 01/14/2009 | CN101346027A Non-magnet ring electric ballast and fluorescent lamp using the same |
| 01/14/2009 | CN101345476A DC-DC conversion decompression soft switch circuit |
| 01/14/2009 | CN101345181A 8-shaped electromagnetic induction high-efficiency energy-saving non-polar lamp |
| 01/14/2009 | CN100452942C A system and method for employing pulse widthmodulation for reducing vertical segregation in a gas discharge lamp |
| 01/14/2009 | CN100452941C Switching device |