Liquid crystal displays and method by which improved apparent vi

Details Liquid crystal displays and method by which improved apparent vi Liquid crystal displays and method by which improved apparent vi

1984-07-12

1987-04-21

Arnold, Bruce Y.

350346, G02F 113

Patent

active

046591818

ABSTRACT:
Liquid crystal displays having improved apparent viewing cones are disclosed. The displays are activated by an electrical energizing signal which comprises an activation signal portion and a superimposed A.C. voltage signal by which the apparent viewing cone angles of the displays are increased.

REFERENCES:
patent: 3790251 (1974-02-01), Wysocki et al.
patent: 3902169 (1975-08-01), Washizuka
patent: 3991416 (1976-11-01), Byles et al.
patent: 4385806 (1983-05-01), Fergason

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