Electrooptical apparatus, method of producing the same and electronic apparatus
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United States of America Patent
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Mar 9, 2004
Grant Date -
Nov 28, 2002
app pub date -
Jun 26, 2002
filing date -
Jan 30, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides an electrooptical apparatus, such as a liquid crystal apparatus, including a built-in peripheral circuit in which the resistance of input/output interconnections in the peripheral circuit is reduced by effectively using thin films forming pixels, thereby making it possible to display a high-quality image. The liquid crystal apparatus includes a liquid crystal layer disposed between a pair of substrates and pixel electrodes formed in a matrix fashion on a TFT array substrate. A light blocking film made of refractory metal is provided under TFTs of respective pixels, scanning lines, and capacitance lines. There are also provided peripheral interconnections, such as image signal lines including single-layer interconnections made of the same metal film as that of the data lines and also including two-layer interconnections whose layers are made of the light blocking film and the same polysilicon film as that of the scanning lines, respectively.
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