Method of fabrication of diode-type control matrices for a flat

Details Method of fabrication of diode-type control matrices for a flat Method of fabrication of diode-type control matrices for a flat

1986-03-31

1987-03-31

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156643, 156652, 156656, 156657, 1566591, 156662, 156667, G02F 113, B44C 122, C03C 1500, C23F 102

Patent

active

046538585

ABSTRACT:
Diode-type control matrix arrays for electrooptical flat-panel screens which find application in liquid-crystal displays are fabricated by depositing a layer of conductive material on a substrate and etching the control electrodes and control leads in this layer. The entire structure is then coated with an undoped amorphous semiconductor layer, with a doped amorphous semiconductor layer, and with a second layer of conductive material. In these three layers are etched terminal areas (or control elements) for connecting the control electrodes to the control leads.

REFERENCES:
patent: 3863332 (1975-02-01), Leupp et al.
patent: 3928658 (1975-12-01), Van Boxtel
IBM Technical Disclosure Bulletin, vol. 22, No. 1, Juin 1979, pp. 296-298, New York, U.S.; M. H. Brodsky, et al.: "Large-Area Dot-Matrix Liquid-Crystal Display Having Diodes Deposited on a Substrate".

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