Liquid crystal devices

Details Liquid crystal devices Liquid crystal devices

1975-09-18

1977-07-05

Bauer, Edward S.

G02F 113

Patent

active

040336727

ABSTRACT:
This invention relates to liquid crystal display devices. One aspect of the invention concerns the electrolytic growing of projections on one plate of the device so that the projections register with the tin-oxide segment array on the other plate; another aspect concerns utilizing similar projections as internally placed spacers. An insulative sheet is deposited over the segment array in order to filter D.C. components, according to a third aspect of the invention, and, according to a fourth aspect, a spacing technique is disclosed which utilizes alumina particles in a glass matrix as an edge spacer. Further, a light concentration technique, utilizing a one-way mirror and a prism or fiber optic assembly, is disclosed.

REFERENCES:
patent: 1884662 (1932-10-01), Grass
patent: 2761056 (1956-08-01), Lazo
patent: 3183815 (1965-05-01), Kapany et al.
patent: 3192843 (1965-07-01), Kapany et al.
patent: 3278738 (1966-10-01), Clark
patent: 3278739 (1966-10-01), Royka et al.
patent: 3499112 (1970-03-01), Heilmeier et al.
patent: 3502416 (1970-03-01), Rickert
patent: 3625591 (1971-12-01), Freiser et al.
patent: 3768887 (1971-08-01), Portmann

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