Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

1985-12-04

1988-02-09

Miller, Stanley D.

350334, 357 237, 357 30K, 357 30L, G02F 113, H01L 2978, H01L 2714

Patent

active

047238380

ABSTRACT:
An active matrix liquid crystal display device has a plurality of display electrodes arranged in a matrix array and selectable through control of thin film transistors for application of voltage between selected display electrodes and a common electrode to obtain image display. Each thin film transistor has a semiconductive layer and a gate insulating film both formed to have the same pattern. Each thin film transistor has a gate electrode formed on the gate insulating film with the edges of the gate electrode inwardly spaced apart from the corresponding edges of the gate insulating film. The semiconductor layer and gate insulating film have extensions extending under a corresponding gate bus.

REFERENCES:
patent: 3385731 (1968-05-01), Weimer
patent: 3671820 (1972-06-01), Haering et al.
patent: 4094582 (1978-06-01), Goodman
patent: 4597001 (1986-06-01), Bortscheller et al.
Snell et al., "Application of Amorphous Silicon FETs in Addressable Liquid Crystal Display Panels", Applied Physics 1981, pp. 357-362.
Vankateswarlu, "Cds Thin-Film FET", J. Instn. Electronics & Telecom. Engrs., vol. 22, No. 11, 1976, pp. 739-741.
Luo et al., "A low leakage-Current Thin-Film Transistor for Flat-Panel Displays", Biennial Display Research Conference, Oct. 1980, pp. 111-113.

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