Liquid crystal display device and driver circuit thereof
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United States of America Patent
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-
Aug 14, 2001
Grant Date -
N/A
app pub date -
Nov 12, 1998
filing date -
Dec 25, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A data latch circuit of a liquid crystal display device digital input data is converted into data of a power supply voltage level by comparing it with a comparison reference voltage in a comparator section having a PMOS differential amplifier circuit in a sampling period of a sampling pulse signal. The converted data is latched by a first data latch section in a non-sampling period of the sampling pulse signal. The latched data is held for a 1H period by a second data latch section.
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