Liquid crystal display device with influences of offset voltages reduced
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United States of America Patent
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Apr 17, 2012
Grant Date -
Oct 27, 2011
app pub date -
Jul 6, 2011
filing date -
Mar 3, 1998
priority date (Note) -
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Abstract
A semiconductor integrated circuit includes a first register which latches display data, a second register which latches the display data of the first register in accordance with a first clock, a gray scale voltage generator which outputs a plurality of gray scale voltages, a decoder which selects a gray scale voltage in accordance with the display data of the second register from the plurality of gray scale voltages, and an amplifier including a first transistor, and a second transistor. A first terminal of the first transistor and a first terminal of the second transistor are connected to a first voltage line, and the gray scale voltage outputted from the decoder is supplied to one of input terminals of the first transistor and the second transistor in accordance with a control signal. A phase of the control signal is reversed at intervals of two frame periods.
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