Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
05/2007
05/23/2007CN2904557Y Non-demodulation power carrier lamplight net controller
05/23/2007CN1969449A Piezoelectric transducer drive circuit and cold cathode tube lighting device comprising it
05/23/2007CN1968562A Circuit arrangement having an induction transformer for the impulsed operation of dielectric barrier discharge lamp
05/23/2007CN1967047A Large-power straight-tube cold cathode fluorescent lamp
05/23/2007CN1317734C Electrodeless lighting system
05/22/2007US7221345 Liquid crystal display and apparatus of driving light source therefor
05/22/2007US7221108 Apparatus of driving lamp and liquid crystal display device using the same
05/22/2007US7221103 Circuit for operating high-pressure discharge lamps
05/22/2007US7221102 High-frequency power supply device
05/22/2007US7221101 Lamp driving device
05/18/2007WO2007055289A1 Fluorescent lamp operation device
05/18/2007WO2007054734A1 Discharge lamp trigger circuit
05/17/2007US20070109069 Microwave energized plasma lamp with solid dielectric waveguide
05/17/2007US20070108921 Discharge lamp lighting apparatus
05/17/2007US20070108920 Current-limit ballast for fluorescent lamp
05/17/2007US20070108919 Device for driving a light source module
05/17/2007US20070108918 Inverter circuit, backlight assembly, liquid crystal display having the same, and method thereof
05/17/2007US20070108917 Inverter circuit, backlight and liquid crystal display
05/17/2007US20070108916 LED driving circuit and controlling method thereof
05/17/2007US20070108915 8-Pin PFC and ballast control IC
05/17/2007US20070108914 Fixed Frequency Resonant Converter
05/17/2007US20070108913 Operating method for a high-pressure discharge lamp
05/16/2007EP1786244A1 Dimming ballast control circuit
05/16/2007EP1785015A1 Method for operation of a high pressure discharge lamp operating device for a high pressure discharge lamp and high pressure discharge lamp with an operating device
05/16/2007EP1785014A1 Power control of a fluorescent lamp
05/16/2007EP1784700A1 Improved apparatus and method for control of high intensity discharge lighting
05/16/2007CN2901781Y Independent-excited electronic ballast of no polar fluorescence lamp
05/16/2007CN2901780Y Constant power controller for electronic ballast
05/16/2007CN2901779Y Conveniently detachable lamp power source box
05/16/2007CN2901024Y Combined wide angle LED lighting lamp
05/16/2007CN1965616A Circuit arrangement
05/16/2007CN1964760A Epilation apparatus and using method thereof
05/16/2007CN1964591A Lamp voltage feedback system and method for open lamp protection and shorted lamp protection
05/16/2007CN1964590A A drive method for square-wave voltage for flat lamp
05/16/2007CN1964589A A topology and control for power conversion circuit of electronic ballast of high intensity gas discharge lamp
05/16/2007CN1964588A A drive device for discharge lamp
05/16/2007CN1964587A A control system and device for switching type illuminant unit
05/16/2007CN1316856C Circuit arrangement
05/16/2007CN1316855C Lamp operation equipment with SEPIC converter
05/16/2007CN1316553C High-pressure discharge lamp
05/16/2007CN1316550C Short arc high-pressure discharge lamp for digital projection technique and manufacturing method thereof
05/15/2007US7218308 Liquid crystal display device having an improved backlight
05/15/2007US7218307 Multi-light driving device, LCD with multi-light driving device and method for driving LCD
05/15/2007US7218066 Driver for a gas discharge lamp
05/15/2007US7218061 Circuit arrangement for producing a control signal for the purpose of dimming at least one lamp
05/15/2007US7218055 Discharge lamp lighting apparatus
05/10/2007WO2007052828A1 Projector, and lighting method of light source unit of projector
05/10/2007WO2007052827A1 Projector
05/10/2007WO2007052822A1 Light source device and projector using the light source device
05/10/2007WO2007052770A1 Method of lighting high pressure mercury lamp, lighting device for the same, lamp system and projection display unit
05/10/2007WO2007052514A1 Discharge lamp lighting apparatus
05/10/2007WO2007052193A1 Ignition module for gas discharge lamp
05/10/2007WO2007051754A1 Circuit arrangement and method for setting a colour locus of a light source arrangement
05/10/2007WO2007051751A1 Drive circuit for a switchable heating transformer of an electronic ballast and corresponding method
05/10/2007WO2007051749A1 Apparatus for operating at least one discharge lamp
05/10/2007WO2007020776A9 High-pressure discharge lamp operating device
05/10/2007US20070103879 Lighting device of discharge lamp, illumination apparatus and illimination system
05/10/2007US20070103163 Inverter system
05/10/2007US20070103100 Lighting device for a high-pressure discharge lamp and lighting equipment employing same
05/10/2007US20070103094 Inverter system
05/10/2007US20070103093 Systems and methods for backlight driving
05/10/2007US20070103092 Method and apparatus of providing power to ignite and sustain a plasma in a reactive gas generator
05/10/2007US20070103091 External electronic control type electrodeless lamp
05/10/2007US20070103007 Lighting control system
05/10/2007DE102005052969A1 Schaltungsanordnung und Verfahren zum Einstellen eines Farbortes einer Lichtquellenanordnung Circuit arrangement and method for adjusting a color location of a light source arrangement
05/10/2007DE102005052525A1 Ansteuerschaltung für einen schaltbaren Heiztransformator eines elektronischen Vorschaltgeräts und entsprechendes Verfahren Drive circuit for a switchable heating transformer of an electronic ballast and corresponding method
05/10/2007CA2628465A1 Drive circuit for a switchable heating transformer of an electronic ballast and corresponding method
05/10/2007CA2626091A1 Apparatus for operating at least one discharge lamp
05/09/2007EP1784062A1 Electronic ballast circuit and adjustment method
05/09/2007EP1784061A1 Electronic ballast and method for adjusting the operating conditions of such electronic ballast
05/09/2007EP1449411B1 Method for the production of a visible; uv or ir radiation with a lamp without electrodes; and lamp that carries out this method
05/09/2007EP1327184B9 Ballast control ic with power factor correction
05/09/2007CN2899386Y Light-emitting diodes flash light for inspecting printing image and its driving circuit
05/09/2007CN2899385Y Electronic ballast with complementing butt-piped circuit structure
05/09/2007CN2899384Y Enhanced tail light of automobile
05/09/2007CN2899383Y 一种电子镇流器 An electronic ballast
05/09/2007CN2899382Y Separated jacketed electronic inductive ballast
05/09/2007CN2899381Y Electronic ballast of high-intensity discharging light
05/09/2007CN2899377Y Solar streetlight
05/09/2007CN2899376Y Two-way light-source controller
05/09/2007CN2899103Y Power coupler of high-frequency nonpolarized light
05/09/2007CN2899042Y Ballast connecting wire for inductive fluorescent light circuit
05/09/2007CN1961267A Method and circuit for active power factor correction
05/09/2007CN1960594A Starting device for gaseous discharging lamp
05/09/2007CN1960593A Intellective method for triggering electronic ballast in high-pressure gas discharge lamp
05/09/2007CN1960592A Plasma lighting system and driving control method thereof
05/09/2007CN1960591A Method and apparatus for warming-up and starting up luminous tube
05/09/2007CN1960590A Sinusoidal dimmer
05/09/2007CN1960153A Display, and DC / AC converter
05/09/2007CN1315359C Multiple channels combined multifunctional fluorescent lamp holder controlled remotely by radio
05/09/2007CN1315263C Frequency divider
05/09/2007CN1314973C Single flash testing instrument of film solar battery assembly
05/08/2007US7215523 Apparatus for protecting an integrated circuit and method thereof
05/08/2007US7215087 Discharge lamp lighting apparatus for lighting multiple discharge lamps
05/08/2007US7215086 Electronic light generating element light bulb
05/03/2007WO2007050965A2 Plasma lamp with dielectric waveguide
05/03/2007WO2007050321A2 Hid dimming method and apparatus
05/03/2007WO2007050047A1 Electronic ballast with closed loop control using composite current and voltage feedback and method thereof
05/03/2007WO2007049659A1 Method for lighting a plurality of high-pressure discharge lamps, its lighting device, lamp system and projection image display
05/03/2007WO2007049420A1 Discharge lamp lighting device, illuminator, liquid crystal display and method for detecting fault in discharge lamp lighting device