Method for forming a reflective surface for a LCD

Details Method for forming a reflective surface for a LCD Method for forming a reflective surface for a LCD

1996-06-21

1997-01-21

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

2041921, 204471, 427162, 427250, 427259, 427264, 427265, 427270, 427272, 427282, 427294, 427336, 427352, 427379, 4273855, 427512, 427558, 427559, 427581, 427585, 427595, C08J 704

Patent

active

055957900

ABSTRACT:
An effective non-specular reflector, for use in a Liquid Crystal Display, is formed by first coating a substrate with a two component solution. One component hardens when heated or when exposed to ultraviolet light (optionally through a mask) while the other component remains liquid. The result is a solid layer in which are dispersed multiple liquid regions, some of which break the surface where they are easily removed, leaving behind a roughened surface. Once a high reflectance metal has been deposited onto this surface it becomes an effective nonspecular reflector. Examples of materials for use as the two components are given.

REFERENCES:
patent: 5204765 (1993-04-01), Mitsui et al.
patent: 5220444 (1993-06-01), Mitsui et al.
Mitsui et al, "Bright Reflective Multicolor LCDs addressed by a Si TFTs" published in SID 1992 Digest, p. 437-440 (no month available).

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