Backlight control device for liquid crystal display

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

Reexamination Certificate

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Details

C345S082000

Reexamination Certificate

active

07002547

ABSTRACT:
A backlight control device for a liquid crystal display includes a light emitting diode (LED) driving circuit that is connected to a power supply circuit and drives the LED, and a current control device that detects brightness around the liquid crystal display and controls a driving current for the LED according to the detected brightness.

REFERENCES:
patent: 6069449 (2000-05-01), Murakami
patent: 6122447 (2000-09-01), Washisu
patent: 6388388 (2002-05-01), Weindorf et al.
patent: 6608614 (2003-08-01), Johnson
patent: 6744416 (2004-06-01), Mizutani et al.
patent: 6888529 (2005-05-01), Bruning et al.
patent: 2003/0011625 (2003-01-01), Kellis
patent: 02-053040 (1990-02-01), None
patent: 08-114801 (1996-05-01), None
patent: 2000-324239 (2000-11-01), None
patent: 2001-265294 (2001-09-01), None
patent: 2002-111865 (2002-04-01), None
patent: 2002-344598 (2002-11-01), None
patent: 2002-344778 (2002-11-01), None
patent: 2003-021821 (2003-01-01), None
patent: 2003-161926 (2003-06-01), None

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