Color liquid-crystal display device

Details Color liquid-crystal display device Color liquid-crystal display device

1997-06-20

1998-12-01

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349110, 349122, G02F 11333

Patent

active

058446451

ABSTRACT:
A color LCD device is capable of preventing the leakage of an internal light irradiated from a back light without the problems relating to the fabrication cost and the cell-gap control. This device has a black matrix located and a light-shielding layer formed on a back surface of a color-filter substrate. The black matrix is located in a display area of the substrate. The light-shielding layer is located in a light-shielding area of the substrate. The black matrix is formed by a first part of a black layer located in the display area. The light-shielding layer is formed by a second part of the same layer located in the light-shielding area. At least one of red, green, and blue color-filter layers is formed as a continuous layer on substantially all of the light-shielding layer.

REFERENCES:
patent: 5617230 (1997-04-01), Ohgawara et al.
patent: 5680187 (1997-10-01), Nagayama et al.
patent: 5739888 (1998-04-01), Ogura et al.

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