Method of preparing a liquid crystal display

Details Method of preparing a liquid crystal display Method of preparing a liquid crystal display

1975-03-07

1976-08-03

Lusignan, Michael R.

Coating processes

Optical element produced

350160LC, 427169, 427354, 427384, 427387, 427402, 427430, 427435, 428 1, 428429, 428447, C09K 334, G02F 113, B05D 118

Patent

active

039730573

ABSTRACT:
The inner surfaces of a pair of substrates of a liquid crystal display are treated with a solution of a surfactant to provide a uniform stable alignment of the liquid crystal material confined between the inner surfaces. The inner surfaces are first wetted by the soluton of the surfactant, a silane derivative, and the solution is then heated, while the inner surfaces are in contact with the solution, to a temperature between about 75.degree.C and a temperature just below the boiling point of the solution.

REFERENCES:
patent: 3307967 (1967-03-01), Vanderbilt et al.
patent: 3341399 (1967-09-01), Hazdra et al.
patent: 3728008 (1973-04-01), Allan et al.
patent: 3854793 (1974-12-01), Kahn

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