Method of making liquid crystal display elements using ceramic f

Details Method of making liquid crystal display elements using ceramic f Method of making liquid crystal display elements using ceramic f

1991-12-06

1993-05-11

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 62, G02F 11335, G02F 11339

Patent

active

052106292

ABSTRACT:
A ceramic filter for using in making liquid crystal display elements includes a plurality of rectangular apertures adapted to permit glass spacers having the size no more than a predetermined size to pass therethrough and a method thereof, capable of selecting easily glass spacers of a uniform size according to the use of the ceramic filter and of preventing glass spacers from lumping together by mixing them in a diluted solution and then pouring a liquid crystal orientation solution in the mixture, and of providing a uniform cell gap and a uniform ground color. It is possible to avoid entering of ionic materials by virtue of the use of ceramic filter, thereby providing a uniform cell gap.

REFERENCES:
patent: 4740060 (1988-04-01), Komura et al.
patent: 4966442 (1990-10-01), Ono et al.

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