Method of fabricating a liquid crystal display

Details Method of fabricating a liquid crystal display Method of fabricating a liquid crystal display

1974-09-27

1976-09-07

Powell, William A.

Metal working

Method of mechanical manufacture

Electrical device making

29591, 156 3, 156 7, 156 17, 427 90, 350160LC, H01L 21302

Patent

active

039785807

ABSTRACT:
In forming the back panel of a liquid crystal display, layers of an insulating material and aluminum are successively deposited on the surface of a semiconducting substrate having an array of electrodes thereon. Openings are then formed through the insulating material and the aluminum layer to expose the electrodes, thereby defining a spacer lattice which is integral with the substrate and whose walls are of a uniform height which corresponds to the desired spacing between the front and back panels of the liquid crystal display.

REFERENCES:
patent: 3623961 (1971-11-01), Van Laer
patent: 3679941 (1972-07-01), LaCombe et al.
patent: 3769108 (1973-10-01), Feldman et al.
patent: 3783056 (1974-01-01), Keller et al.
patent: 3800412 (1974-04-01), Wall et al.
patent: 3832230 (1974-08-01), Terry
patent: 3909930 (1975-10-01), Gurtler
patent: 3936930 (1976-02-01), Stern
patent: 3938242 (1976-02-01), Sussman
patent: 3939556 (1976-02-01), Borel et al.

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