Active-matrix display apparatus
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United States of America Patent
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Jul 10, 2001
Grant Date -
N/A
app pub date -
Feb 25, 1998
filing date -
Feb 28, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An active-matrix display apparatus includes a pair of transparent top and bottom insulating substrates mutually attached with a predetermined gap left therebetween, and an electro-optical material such as a liquid crystal held in the gap. The bottom insulating substrate has opaque signal lines and gate lines that intersect the signal lines, a bottom-gate type thin-film transistor arranged at each intersection, and a transparent pixel electrode arranged in an aperture surrounded by the signal lines and the gate lines and connected to the corresponding thin-film transistor. The top insulating substrate is provided with an opposing electrode and a shading black mask aligned with at least the gate line. It is noted that the bottom insulating substrate is provided with a light-shielding film. The light-shielding film is arranged beneath the signal line and the pixel electrode, and extends to overlap the edge portions of the pixel electrodes adjacent to the signal line, and is manufactured of the same material as the gate line.
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