Patents
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
02/2013
02/19/2013US8378593 Dimmer jitter correction
02/19/2013US8378592 End of lamp life protection circuit with bi-level detections for the electronic ballast and method thereof
02/19/2013US8378591 Light output device
02/19/2013US8378590 Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast
02/19/2013US8378589 Driving circuit with dimming controller for driving light sources
02/19/2013US8378588 Circuits and methods for driving light sources
02/19/2013US8378587 Lamp having self-regulated lighting
02/19/2013US8378586 Distributed architecture voltage controlled backlight driver
02/19/2013US8378585 High frequency integrated HID lamp with run-up current
02/19/2013US8378584 Power factor converter and method
02/19/2013US8378581 Discharge lamp lighting device, projector, and driving method of discharge lamp
02/19/2013US8378577 Liquid crystal display with ambient light sensor
02/14/2013WO2013022901A1 Dimmable lighting devices and methods for dimming same
02/14/2013WO2013021940A1 Lighting device, display device, and television receiving device
02/14/2013WO2013021516A1 Light source for illumination
02/14/2013WO2013021412A1 Led lighting device
02/14/2013WO2013021408A1 Telecontrol energy-saving apparatus for simultaneous transmission of multiple signals with powerline technology
02/14/2013WO2013020886A1 Bus voltage supply with reduced power loss
02/14/2013WO2013020337A1 Lamp working information judgment system and judgment method thereof
02/14/2013WO2013020305A1 Led display system
02/14/2013US20130039539 Portable Electronic Device
02/14/2013US20130038819 Driving circuit for light emitting element, light emitting device using same, and display apparatus
02/14/2013US20130038593 Pixel circuit, display device, driving method of pixel circuit, and driving method of display device
02/14/2013US20130038247 Laser Light Source Module
02/14/2013US20130038246 Light-emitting device and manufacturing method for light-emitting device
02/14/2013US20130038244 Lighting device
02/14/2013US20130038243 Current-controlled stages, constant current control systems, and current control methods for driving leds
02/14/2013US20130038242 Bias voltage generation using a load in series with a switch
02/14/2013US20130038241 Methods, Apparatus and Articles of Manufacture to Calibrate Lighting Units
02/14/2013US20130038240 Background Light Effects LED Light Fixture With Light Guided Second Light Sources
02/14/2013US20130038239 Lighting Device Controlling Circuit Module
02/14/2013US20130038236 Dc/dc converter, control circuit thereof and lighting apparatus using the same
02/14/2013US20130038235 Driver of Promoting Pixel Charging Ability of Thin Film Transistor and Method Thereof
02/14/2013US20130038234 Dimming regulator including programmable hysteretic down-converter for increasing dimming resolution of solid state lighting loads
02/14/2013US20130038233 Led driver
02/14/2013US20130038232 Light unit and driving method thereof
02/14/2013US20130038230 Method and apparatus to facilitate coupling an led-based lamp to a fluorescent light fixture
02/14/2013US20130038229 Light-emitting device control circuit
02/14/2013US20130038228 Driver cicruit apparatus for an led string, light source apparatus and integrated circuit
02/14/2013US20130038227 Circuits and methods for driving led light sources
02/14/2013US20130038225 Motion Activated Toilet Bowl Lighting Device
02/14/2013US20130038224 Illumination apparatus methods and systems
02/14/2013US20130038222 Color temperature adjustment for led lamps using switches
02/14/2013US20130038221 Streetlight monitoring and control
02/14/2013US20130038219 Dimmable Lighting Devices and Methods for Dimming Same
02/14/2013US20130038218 Low voltage control systems and associated methods
02/14/2013US20130038217 Tiered Sensing and Resource Allocation System for Energy Use Optimization in Commercial Buildings
02/14/2013US20130038216 Remote controlled electronic ballast with digital display
02/14/2013US20130038215 Motion activated utility light
02/14/2013US20130038213 Led emitting device and driving method thereof
02/14/2013US20130038212 Illumination device and display device including the same
02/14/2013US20130038211 Display device and led bar connection method thereof
02/14/2013US20130038210 Device for supplying a plurality of led units with power
02/14/2013US20130038209 Photodetecting element, photodetecting device, and auto lighting device
02/14/2013DE202013000880U1 Schaltungsanordnung zum Betreiben mindestens einer LED und System aus einem Vorschaltgerät und einer Retrofit-Lampe Circuit arrangement for operating at least one LED and a ballast system and a retrofit lamp
02/14/2013DE102011080786A1 Circuitry for determining voltage of lamp e.g. high-pressure gas discharge lamp, has transistors that convert scaled lamp voltage into specific voltage which is reduced at output of transistors over resistor
02/14/2013CA2844476A1 Telecontrol energy-saving apparatus for simultaneous transmission of multiple signals with powerline technology
02/13/2013EP2557900A1 Light dimming apparatus and led illumination system
02/13/2013EP2557657A2 Emergency lighting system and method for supplying it with power
02/13/2013EP2557353A1 Light-source device
02/13/2013EP2556727A2 Operating device for light-emitting means for determining an energy or power consumption and method for detecting same
02/13/2013EP2556726A1 Modular led lighting system having emergency light function
02/13/2013EP2556725A1 Modular led lighting system having an emergency light function
02/13/2013CN202738227U Digital hybrid operation intelligent transformation shadowless lamp
02/13/2013CN202738226U Entering door semi-automatic light turning on/off circuit
02/13/2013CN202738225U Vehicle transmission gear display circuit
02/13/2013CN202738224U LED fill-in flash with strobe and explosion-flashing functions
02/13/2013CN202738223U Automatic dimming desk lamp
02/13/2013CN202738222U Light-emitting diode driving device
02/13/2013CN202738221U Light-emitting diode driving device
02/13/2013CN202738220U Intelligent solar LED street lamp controller
02/13/2013CN202738219U Automatic illumination regulating device
02/13/2013CN202738218U Touch type delayed lamp switch
02/13/2013CN202738217U Night illuminating lamp with automatic control
02/13/2013CN202738216U Automatic induction light modulation apparatus
02/13/2013CN202738215U Backlight source and display device
02/13/2013CN202738214U Energy-saving street lamp based on MSP430 single chip microcomputer
02/13/2013CN202738213U Lighting control device based on wireless Modbus protocol
02/13/2013CN202738212U Automatic control cabinet of energy-saving high-voltage street lamp
02/13/2013CN202738211U Controllable LED backlight application circuit
02/13/2013CN202738210U Negative ion lamp
02/13/2013CN202738209U Dimming device based on light-emitting diode (LED) aisle lamps
02/13/2013CN202738208U Explosive flash function circuit structure
02/13/2013CN202738207U LED intelligent shadow-following lamp
02/13/2013CN202738206U Intelligent eye protection desk lamp
02/13/2013CN202738205U LED dimming drive circuit
02/13/2013CN202738204U Dimming circuit with dimming wire and dimming control module
02/13/2013CN202738203U Intelligent control system used for illumination
02/13/2013CN202738202U Non-contact type power supply illuminating lamp
02/13/2013CN202738201U Gravity induction luminescence floor control system
02/13/2013CN202738200U Infrared ray induction LED fluorescent lamp
02/13/2013CN202738199U Multifunctional intelligent control LED lamp
02/13/2013CN202738198U Drive circuit of light emitting diode
02/13/2013CN202738197U Intelligent LED illuminating lamp based on PWM dimming
02/13/2013CN202738196U Driving power control circuit
02/13/2013CN202738195U Long?life LED fluorescent lamp power supply realizing high?power?factors
02/13/2013CN202738194U GU10 light dimming power source
02/13/2013CN202738193U LED fluorescent lamp power supply compatible with fluorescent lamp ballast
02/13/2013CN202738192U Intelligent light fixture control system of Internet of Things
02/13/2013CN202738191U Micro-computer street lamp control switch