Stacked capacitor structures for liquid crystal displays and rel

Details Stacked capacitor structures for liquid crystal displays and rel Stacked capacitor structures for liquid crystal displays and rel

1997-03-06

1998-11-03

Sikes, William L.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349138, 349 43, 349 49, G02F 11343, G02F 11333, G02F 1136, G02F 1135

Patent

active

058316922

ABSTRACT:
A liquid crystal display includes a first conductive layer on a substrate, and a first insulating layer on the first conductive layer. The first insulating layer includes a first contact hole therein exposing a portion of the first conductive layer. A second conductive layer is provided on the first insulating layer opposite the first conductive layer and adjacent the first contact hole, and a second insulating layer is provided on the second conductive layer. A third conductive layer is provided on a first portion of the second insulating layer opposite the second conductive layer and adjacent the first contact hole, and the third conductive layer extends through the first contact hole contacting the first conductive layer. A third insulating layer is provided on a second portion of the second insulating layer adjacent the first portion and opposite the second conductive layer, and a data line is provided on the third insulating layer opposite the second insulating layer and the second conductive layer. A protective layer covers the third conductive layer, the third insulating layer, and the data line, and the protective layer includes a second contact hole which exposes a portion of the third conductive layer. A pixel electrode on the protective layer extends through the second contact hole contacting the third conductive layer. Related methods are also discussed.

REFERENCES:
patent: 4742018 (1988-05-01), Kimura et al.
patent: 4746963 (1988-05-01), Uchida et al.
patent: 5182661 (1993-01-01), Ikeda et al.
patent: 5468684 (1995-11-01), Yoshimori et al.
patent: 5470802 (1995-11-01), Gnade et al.
patent: 5617229 (1997-04-01), Yamamoto et al.

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