Display device with oriented liquid crystals

Details Display device with oriented liquid crystals Display device with oriented liquid crystals

1973-08-10

1976-03-02

Bauer, Edward S.

350150, G02F 113

Patent

active

039414540

ABSTRACT:
In a display device using liquid crystals, including opposed transparent insulating plates which define the volume containing said liquid crystals, the inner surfaces of said transparent plates are oriented as the result of unidirectional rubbing, the direction of rubbing on the opposed plates being at 90.degree. to each other. A device using such plates has a preferred direction for viewing same.

REFERENCES:
patent: 3731986 (1973-05-01), Fergason
"Voltage-Dependent Optical Activity of a Twisted Nematic Liquid Crystal," by Schadt et al., Appl. Phys. Ltrs., Vol. 18, No. 4, pp. 127-128, 2/15/71.

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