Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1994-10-06
1996-06-04
Gross, Anita Pellman
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 79, G02F 1136, G02F 11333
Patent
active
055238653
ABSTRACT:
The present invention relates to a thinfilm transistor array designed to drive an active-matrix type liquid-crystal panel to be incorporated in a liquid-crystal display device, and is to offer a thinfilm transistor array solving the conventional problems of disconnections possible between the display electrodes and the drain electrodes and short-circuits possible between the display electrodes and the data wiring. By these, high-quality images can be displayed with a high reliability can be obtained together with an improved fabrication process thereof. In order to accomplish these objectives of the invention, the display electrodes of said thinfilm transistor array are disposed between the gate insulation layer and the inter-insulation layer, and the display electrodes are connected to the drain electrodes by means of a data wiring disposed through contact holes provided through the inter-insulation layer. Furthermore, the possibility of short-circuits can be minimized by insulating and isolating the display electrodes from the data wiring by means of inter-insulation layers, so that the distance between the data wiring and the display electrode can minimized and a remarkable improvement of the displayed image quality can be obtained.
REFERENCES:
patent: 5317433 (1994-05-01), Miyawaki et al.
patent: 5403756 (1995-04-01), Yoshinouchi et al.
patent: 5414278 (1995-05-01), Kobayashi et al.
Furuta Mamoru
Kawamura Tetsuya
Maegawa Shigeki
Miyata Yutaka
Gross Anita Pellman
Malinowski Walter J.
Matsushita Electric - Industrial Co., Ltd.
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