Binary drive circuitry for matrix-addressed liquid crystal displ

Details Binary drive circuitry for matrix-addressed liquid crystal displ Binary drive circuitry for matrix-addressed liquid crystal displ

1982-10-04

1985-01-29

Corbin, John K.

G02F 113

Patent

active

044962193

ABSTRACT:
Matrix-addressing circuitry for a liquid crystal display using a square-wave potential of first and second opposed phasings and its second harmonic as address voltages, avoiding the need for multi-level address voltages.
An appendix of this specification contains a program listing to which a claim of copyright is made. The copyright owner, assignee hereof, hereby licenses the duplication of the patent drawing, but reserves all other copyright rights whatsoever.

REFERENCES:
patent: 3740717 (1973-06-01), Huener et al.
patent: 3911421 (1975-10-01), Alt et al.
patent: 4045791 (1977-08-01), Fukai et al.
patent: 4079369 (1978-03-01), Fukumoto
patent: 4116543 (1978-09-01), Stein
patent: 4236155 (1980-11-01), Nagata

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