Black matrix substrate, and color filter and liquid crystal disp

Details Black matrix substrate, and color filter and liquid crystal disp Black matrix substrate, and color filter and liquid crystal disp

1994-03-01

1996-03-26

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428 1, 428195, 428206, 428328, 428520, 428913, B32B 516

Patent

active

055019005

ABSTRACT:
A black matrix substrate is provided with a substrate, and a black pattern formed on the substrate. The black pattern includes at least metal particles in a resin pattern, which comprises resin formed in a pattern shape. The metal particles have such a particle diameter distribution that particles having particle diameters in a range of 5 nm to 50 nm are not less than 80% of the total particles. A projected area density at a conversion of 600 .ANG. thickness of the metal particles in the black pattern, is not less than 60%. An optical density of the black matrix substrate is not less than 1.5. A color filter, which has a high contrast ratio, can be constructed by use of this black matrix substrate. Further, a liquid crystal display device, which has a good image quality, can be constructed by use of this color filter.

REFERENCES:
patent: 4157215 (1979-06-01), Hanak
patent: 5201268 (1993-04-01), Yamamoto et al.
patent: 5240797 (1993-08-01), Matsushima et al.
patent: 5242558 (1993-09-01), Matsushima et al.
patent: 5248576 (1993-09-01), Yokoyama et al.
Coombs, Clyde; Printed Circuits Handbook 3rd Edition pp. 12.1, 12.8-12.13.

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