Active matrix type liquid crystal display

Details Active matrix type liquid crystal display Active matrix type liquid crystal display

1989-08-09

1991-10-08

James, Andrew J.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

357 237, 357 54, 359 79, 359 87, G02F 113

Patent

active

050548875

ABSTRACT:
An active matrix type liquid crystal display device includes a substrate on which a matrix picture element electrodes reside, TFTs which are disposed in the vicinity of each picture element electrodes, and capacitor electrodes are provided, each of which is opposed to one portion of each of the picture element electrodes. A dielectric lamination structure consisting of three insulating layers is formed between the picture element electrode and the capacitor electrode. The dielectric lamination structure includes an anodic oxidation film, a gate insulating layer and a protective insulating layer. The protective insulating layer further extending over the associated TFT.

REFERENCES:
patent: 3671820 (1972-06-01), Haering et al.
patent: 4571816 (1986-02-01), Dingwall
patent: 4778560 (1988-10-01), Takeda et al.
patent: 4843438 (1989-06-01), Koden et al.
patent: 4905066 (1990-02-01), Dohjo et al.
1982 International Display Research Conference, Cherry Hill, N.J.; A. I. Lakatos, "Promise and Challenge of Thin-Film Silicon Approaches to Active Matrices"; p. 148, Col. 2, lines 26-38.

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