Active matrix liquid crystal display device
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United States of America Patent
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Aug 24, 2004
Grant Date -
N/A
app pub date -
May 18, 2000
filing date -
May 20, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
In an active matrix liquid crystal display device having a thin film transistor array substrate (250) comprising a plurality of scan lines formed on an insulating substrate (100), a plurality of signal lines formed to cross the scan lines, thin film transistors formed near intersections between the scan lines and signal lines, respectively, pixel electrodes connected to one electrodes of the thin film transistors, respectively, and additional capacity portions connected to pixel electrodes (5) connected to source electrodes (4) of the thin film transistors, respectively; in order to provide a higher contrast and to allow driving at a lower voltage, a part of the additional capacity portion is formed, via insulating film (115) and semiconductor (120), between the pixel electrode (5) and that scan line (11) which is connected to a gate electrode (1) of the thin film transistor for switching the pixel electrode (5).
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