Flat panel display device comprising polysilicon thin film transistor and method of manufacturing the same
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United States of America Patent
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May 14, 2013
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app pub date -
Jun 22, 2004
filing date -
Jul 16, 2003
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Abstract
The present invention relates to a flat panel display device comprising a polysilicon thin film transistor and a method of manufacturing the same. Grain sizes of polysilicon grains formed in active channel regions of thin film transistors of a driving circuit portion and a pixel portion of the flat panel display device are different from each other. Further, the flat panel display device comprising P-type and N-type thin film transistors having different particle shapes from each other.
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