Method of manufacture of a passive electro-optic display cell ha

Details Method of manufacture of a passive electro-optic display cell ha Method of manufacture of a passive electro-optic display cell ha

1978-01-16

1980-06-17

Mehr, Milton S.

Metal working

Method of mechanical manufacture

Electrical device making

350341, G02F 113

Patent

active

042076714

ABSTRACT:
A liquid crystal alignment film is deposited on the inner surfaces of two plates of an electro-optic passive display cell. The film is vacuum evaporated on the plates at an incidence of 5.degree. and at least one plate is rubbed in only the direction of deposition. A helicoidal nematic liquid crystal is disposed between the two plates of the cell, and is aligned by the film.

REFERENCES:
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patent: 3834792 (1974-09-01), Janning
patent: 3853391 (1974-12-01), Sorkin
patent: 3930716 (1976-01-01), Robert
patent: 3955881 (1976-05-01), Yaguchi et al.
patent: 3963324 (1976-06-01), Fergason et al.
patent: 3966305 (1976-06-01), Young
patent: 3967883 (1976-07-01), Meyerhofer et al.
patent: 4083099 (1978-04-01), Yano et al.
patent: 4084884 (1978-04-01), Ragnes

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