Invention Grant
- Patent Title: LED backlight circuit system
- Patent Title (中): LED背光电路系统
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Application No.: US11944939Application Date: 2007-11-26
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Publication No.: US07746007B2Publication Date: 2010-06-29
- Inventor: Robert Cauffield
- Applicant: Robert Cauffield
- Applicant Address: US GA Alpharetta
- Assignee: American Panel Corporation, Inc.
- Current Assignee: American Panel Corporation, Inc.
- Current Assignee Address: US GA Alpharetta
- Agency: Stanley Law Group LLP
- Main IPC: H05B37/02
- IPC: H05B37/02 ; G09G3/36

Abstract:
An improved electrical circuit design and method to drive a plurality of LEDs in an LCD backlight in order to produce a uniform color distribution across the entire viewable surface of the display. The embodiments disclosed have features that permit a predetermined reduction in the amount of current provided to the LEDs positioned along the edge of the display region. This results in color uniformity, and consequently, an improved picture quality.
Public/Granted literature
- US20090134806A1 LED BACKLIGHT CIRCUIT SYSTEM Public/Granted day:2009-05-28
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