Liquid crystal cell having an insulating layer of a silicon oxid

Details Liquid crystal cell having an insulating layer of a silicon oxid Liquid crystal cell having an insulating layer of a silicon oxid

1978-05-18

1980-05-06

Bauer, Edward S.

350320, G02F 113

Patent

active

042014530

ABSTRACT:
A liquid crystal cell having a pair of spaced carrier plates with inner surfaces forming a cavity for receiving a layer of liquid crystal material, each of said inner surfaces being provided with a conductive coating and at least one of the carrier plates having its conductive coating covered with an insulated layer of silicon oxide base characterized by the insulating layer containing an additive selected from a group consisting of boron oxide, tin oxide, titanium oxide and mixtures thereof so that the insulating layer causes homeotropic orientation of the molecules of the liquid crystal layer.

REFERENCES:
patent: 3700306 (1972-10-01), Cartmell et al.
patent: 3932026 (1976-01-01), Sprokel
patent: 3938242 (1976-02-01), Sussman
patent: 4139273 (1979-02-01), Crossland et al.
patent: 4150877 (1979-04-01), Kobale et al.
Joodman, "Liquid Crystal Displays-Packaging and Surface Treatments," RCA Review, vol. 35, Sep. 1974, pp. 447-461.
Kahn, "Orientation of Liquid Crystals by Surface Coupling Agents," App. Phys. Lett., vol. 22, Apr. 5, 1973, pp. 386-388.

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