Liquid crystal display driver and method thereof
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United States of America Patent
Stats
-
Aug 8, 2006
Grant Date -
Nov 21, 2002
app pub date -
May 13, 2002
filing date -
May 15, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
JP920010105US125 A liquid crystal display driver for applying a voltage to liquid crystal cells forming an image display area includes a pulse generation circuit for generating a plurality of reference pulses in which pulse generation densities are weighted, a pulse select/synthesis circuit for generating a pulse string by selecting and synthesizing necessary reference pulses on the basis of digital input data and the reference pulses and an integration circuit (low pass filter) for integrating the pulse string generated by the pulse select/synthesis circuit to output an analog voltage for gamma correction.
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