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High Efficiency Driver For Color Light Emitting Diodes (Led)

Summary
An Efficient Power Driver For Color Light Emitting Diodes (Led) Is Disclosed For Driving Multiple Leds For Producing Different Desired Colors. Such Led Combinations Comprising Leds With Different Primary Colors Are Suitable For Implementing Pixels In Displaying A Digitized Image. This Disclosed Invention Provides Switching Power Conversion Embodiments Such That A Single Apparatus Drives Different Color Leds. Furthermore, The Disclosed Invention Provides Configurations With And Without Input To Output Isolation While Enabling Control Of The Current Through Each Led, For Instance By An Inductor Or Operating Condition.
Supplementary Information
Patent Number: TWI278812B
Application Number: TW2002136255A
Inventor: POON FRANKI NGAI KIT | PONG MAN-HAY | LIU JOE CHUI-PONG
Priority Date: 14 Dec 2001
Priority Number: TWI278812B
Application Date: 16 Dec 2002
Publication Date: 11 Apr 2007
IPC Current: G09G000332 | H05B003308
Assignee Applicant: The University of Hong Kong
Title: High efficiency driver for color light emitting diodes (LED)
Usefulness: High efficiency driver for color light emitting diodes (LED)
Summary: High efficient driver used in power converter for driving color light emitting diodes (LEDs).
Novelty: High efficient driver for power converter, includes switch that controls connection of inductor and light emitting diode, to power source
Industry
Electronics
Sub Category
3C/Gadgets
Application No.
US2006585178A
Country/Region
Hong Kong

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