Liquid crystal display capable of adjusting brightness of...

Details Liquid crystal display capable of adjusting brightness of... Liquid crystal display capable of adjusting brightness of...

2008-06-16

2011-11-08

Sherman, Stephen (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

08054286

ABSTRACT:
An exemplary liquid crystal display (20) includes a liquid crystal panel (27) having at least one pixel block, a source driver (26) configured to drive the at least one pixel block, a backlight module having at least one light source block, a backlight driver (23) configured to drive the light source blocks, and a data processor (21) configured to provide gray level values and provide backlight control signals. The data processor receives display signals, converts the display signals to a plurality of primary gray level values, and averages the primary gray level values to obtain an average gray level value. The source driver and the backlight driver respectively generate data voltages and driving voltages to drive the at least one pixel block and the at least one pixel block according to the average gray level value. A related method for driving the liquid crystal display is also provided.

REFERENCES:
patent: 6297791 (2001-10-01), Naito et al.
patent: 7113164 (2006-09-01), Kurihara
patent: 7768495 (2010-08-01), Hong et al.
patent: 2005/0001801 (2005-01-01), Kim
patent: 2007/0001997 (2007-01-01), Kim et al.

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