LCD device having coupling capacitances and shielding films
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United States of America Patent
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Oct 12, 1999
Grant Date -
N/A
app pub date -
Jul 11, 1997
filing date -
Jul 15, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
This invention is characterized by providing light shield patterning on a TFT substrate for an active matrix type liquid crystal display device. A liquid crystal display device comprising an active matrix circuit using a TFT having a top gate-type structure. The light-shield film are formed under a semiconductor layer and superposed at least one of the source bus line and the gate bus line. A capacitance is formed by the light-shield film and at least a part of the semiconductor layer with an insulating layer interposed therebetween.
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