Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 33 - Electroluminescent light sources
Patents for H05B 33 - Electroluminescent light sources (53,055)
11/2014
11/20/2014US20140339991 Backlight drive circuit with dual boost circuits
11/20/2014US20140339990 Light-emitting diode lighting device having multiple driving stages
11/20/2014US20140339989 Method for operating a lamp
11/20/2014US20140339987 Large area lighting system with wireless control
11/20/2014US20140339986 Optical sensor circuit, luminous panel and method for operating an optical sensor circuit
11/20/2014US20140339985 Methods and Apparatus for Sensing Light Output and Controlling Light Output
11/20/2014US20140339984 LED Switch Circuitry for Varying Input Voltage Source
11/20/2014US20140339983 Color tunable lighting assembly, a light source and a luminaire
11/20/2014US20140339982 Modular rechargable headlamp
11/20/2014US20140339979 Display device
11/20/2014US20140339564 Peeling method and method for manufacturing display device using the peeling method
11/20/2014US20140339535 Display unit and light emitting device
11/18/2014US8892261 System and method for automatically creating a specific atmosphere by controlling contributions of sensorial perceptible stimulus means
11/18/2014US8891258 Switch mode power supply and control method thereof
11/18/2014US8890909 Power control device, backlight unit, and liquid crystal display device
11/18/2014US8890799 Display with red, green, and blue light sources
11/18/2014US8890775 Information display apparatus
11/18/2014US8890443 Backlight unit and method for controlling LED
11/18/2014US8890442 Light emitting device system and driver
11/18/2014US8890441 Load driving device and LED lighting appliance therewith
11/18/2014US8890440 Circuits and methods for driving light sources
11/18/2014US8890439 Light-emitting diode circuit and light-emitting device having the same
11/18/2014US8890438 Light-emitting diode driving device, light-emitting diode device, and method for driving the same
11/18/2014US8890437 Method and system of automatically adjusting light intensity of a lighting fixture having multiple emitters
11/18/2014US8890435 Wireless lighting control system
11/18/2014US8890434 System and method for single conductor power, control, and feedback system
11/18/2014US8890433 Two-terminal current controller and related LED lighting device
11/18/2014US8890431 LED driving apparatus and method
11/18/2014US8890429 Solid-state light-emitting element drive device, lighting system and lighting fixture
11/18/2014US8890426 Portable lighting device
11/18/2014US8890425 Blend dimming circuits and relevant methods
11/18/2014US8890423 Backlight driving circuit, LCD device, and method for driving backlight driving circuit
11/18/2014US8890422 LED power supply
11/18/2014US8890421 Line voltage control circuit for a multi-string LED drive system
11/18/2014US8890420 Temperature curve compensation offset
11/18/2014US8890419 System and method providing LED emulation of incandescent bulb brightness and color response to varying power input and dimmer circuit therefor
11/18/2014US8890417 LED backlight driving circuit, backlight module, and LCD device
11/18/2014US8890416 LED driving device
11/18/2014US8890414 Lighting module
11/18/2014US8890408 Method and apparatus for coupling an active display portion and substrate
11/18/2014US8890407 Semiconductor device and light-emitting device
11/18/2014US8890404 Organic electroluminescent device
11/18/2014US8890400 Luminescent composition and inorganic electroluminescent sheet using the same
11/18/2014US8890220 Pixel driver circuit and pixel circuit having control circuit coupled to supply voltage
11/18/2014US8890172 Method for manufacturing an electro-optical device
11/18/2014US8889271 Compound containing a 5-membered heterocycle and organic light-emitting diode using same, and terminal for same
11/18/2014US8889268 Organic electroluminescence element and display device using the same
11/18/2014US8889266 Organometallic complex, and light-emitting element, light-emitting device and electronic-device using the organometallic complex
11/18/2014US8889265 Copolymer and polymer light emitting device using the same
11/18/2014US8888312 Power generating lamp and illumination appliance
11/13/2014US20140335910 Multifunction light controller equipped with localized control
11/13/2014US20140334648 Multifunction light controller
11/13/2014US20140333680 Pixel of an organic light emitting display device and organic light emitting display device
11/13/2014US20140333520 Led backlight driving circuit, backlight unit, and lcd device
11/13/2014US20140333518 Led backlight driving circuit, lcd device, and method for driving the led backlight driving circuit
11/13/2014US20140333229 Driver system for driving at least one led
11/13/2014US20140333228 Dimmer detector for bleeder circuit activation
11/13/2014US20140333227 Light Source Module, Light Source Module Driving Circuit and Driving Method
11/13/2014US20140333226 Mr16 gu5.3 dimmable lamp
11/13/2014US20140333225 Light emitting device and system
11/13/2014US20140333224 Switched mode power converter and method of operating the same
11/13/2014US20140333223 Dimmable led light unit and method of replacing a light unit
11/13/2014US20140333221 Led light unit and method of operating an led light unit
11/13/2014US20140333220 Light emitting diode driver
11/13/2014US20140333219 Led lighting unit with color and dimming control
11/13/2014US20140333218 Led light string with open circuit protection
11/13/2014US20140333217 Feedback control circuit and led driving circuit
11/13/2014US20140333216 Multi-string dimmable led driver
11/13/2014US20140333215 Multi-segment led driving circuit
11/13/2014US20140333212 Pixel circuit and display device
11/13/2014US20140333208 Lamp color matching and control systems and methods
11/13/2014US20140333207 Lighting system and method of retrieving status information of a lighting system
11/13/2014US20140333205 Stabilization circuit for low-voltage lighting
11/13/2014US20140333204 Led backlight driving circuit, lcd device, and method for driving the led backlight driving circuit
11/13/2014US20140333198 Light Emitting Device
11/13/2014US20140332832 Display unit
11/13/2014US20140332784 Organic light emitting device, display unit, and device comprising a display unit
11/13/2014US20140332783 Phenyl and Fluorenyl Substituted Phenyl-Pyrazole Complexes of lr
11/11/2014US8884942 Hysteretic mode LED driver with precise average current
11/11/2014US8884939 Display brightness control based on ambient light levels
11/11/2014US8884850 Display apparatus, method of driving display apparatus, and electronic apparatus
11/11/2014US8884848 Driver for an OLED device
11/11/2014US8884625 Method of calculating a used time of a light source, method of displaying lifetime of a light source using the method and display apparatus for performing the method
11/11/2014US8884554 Colorizer and method of operating the same
11/11/2014US8884553 Current monitor for indicating condition of attached electrical apparatus
11/11/2014US8884549 Illumination device and fixture
11/11/2014US8884547 Current regulating circuit of light emitting diode (LED) string and LED illumination device
11/11/2014US8884546 Driving apparatus for light-emitting diode curtain lamp
11/11/2014US8884545 LED driving system and driving method thereof
11/11/2014US8884541 Dimming for constant current LED driver circuit
11/11/2014US8884540 Power supply device and lighting equipment provided with power supply device
11/11/2014US8884539 Rectifying circuit and power supply circuit
11/11/2014US8884538 Light-emitting diode driving circuit
11/11/2014US8884537 Active bleeder circuit triggering TRIAC in all phase and light emitting device power supply circuit and TRIAC control method using the active bleeder circuit
11/11/2014US8884536 Lighting power source and luminaire
11/11/2014US8884535 Light emitting diode control system using modulated signals
11/11/2014US8884534 Wiring boards for array-based electronic devices
11/11/2014US8884531 Intelligent solar lighting system
11/11/2014US8884529 Light color and intensity adjustable LED
11/11/2014US8884514 Phosphor composition, light-emitting device having the same, cured product having the same, lighting system having the same, and display having the same
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