Backlight control device for liquid crystal display
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United States of America Patent
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-
Feb 21, 2006
Grant Date -
Sep 11, 2003
app pub date -
Jan 22, 2003
filing date -
Jan 23, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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