Thin-film transistor array substrate and liquid crystal display device
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United States of America Patent
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Jun 17, 2008
Grant Date -
Jun 22, 2006
app pub date -
Dec 22, 2005
filing date -
Dec 22, 2004
priority date (Note) -
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Abstract
A TFT array substrate is provided with an auxiliary capacitance that has a plurality of lower electrodes disposed for each pixel in the row and column directions below a pixel TFT and connected to the drain area of the corresponding pixel TFT. The distances L1 and L2 between separation areas formed between the lower electrodes adjacent in the row direction and the channel areas of the two pixel TFTs that correspond to the lower electrodes are substantially equal to each other. The distances L3 and L4 between separation areas formed between the lower electrodes adjacent in the column direction and the channel areas of the two pixel TFTs that correspond to the lower electrodes are substantially equal to each other. Furthermore, an upper electrode is disposed above the separation areas.
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