Active matrix type liquid crystal display apparatus having optic

Details Active matrix type liquid crystal display apparatus having optic Active matrix type liquid crystal display apparatus having optic

1997-04-15

1998-10-27

Gross, Anita Pellman

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 48, G02F 1136

Patent

active

058284303

ABSTRACT:
In an active matrix type liquid crystal display apparatus including a plurality of scan bus lines, a plurality of signal bus lines, a plurality of pixel electrodes, a plurality of first thin film transistors, each having a gate connected to one of the scan bus lines, a drain connected to one of the signal bus lines and a source connected to one of the pixel electrodes, and a plurality of optical shield layers each for preventing light from penetrating one of the first thin film transistors, a plurality of second thin film transistors, are provided. Each of the second thin film transistors has a gate connected to one of the scan bus lines, a drain connected to one of the signal bus lines and a source connected to one of the optical shield layers.

REFERENCES:
patent: 5351145 (1994-09-01), Miyata et al.
patent: 5402254 (1995-03-01), Sasano et al.
patent: 5426313 (1995-06-01), Sukegawa et al.
patent: 5701166 (1997-12-01), Fedorovish et al.
patent: 5764321 (1998-06-01), Koyama et al.
M. LeContellec et al., "Amorphous and Polycrystalline Silicon TFT for Addressing Display Devices", SID 82 Digest, pp. 44-45.

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