Method of manufacturing pixel electrode for reflection type disp

Details Method of manufacturing pixel electrode for reflection type disp Method of manufacturing pixel electrode for reflection type disp

1997-10-17

2000-05-02

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

349113, G02F 113

Patent

active

060566140

ABSTRACT:
A process of a pixel electrode of a direct-sight type of reflection type liquid-crystal display device is simplified. A pixel electrode 120 of a reflection type liquid-crystal display device is formed of an aluminum film which is formed by sputtering. In forming the aluminum film, moisture is intentionally contained in atmosphere, and also a sample is heated. With this process, aluminum grains grow so that irregularities of .mu.m order is formed on the surface of the aluminum film. The aluminum film thus formed allows the incident light to be irregularly reflected so that it is in a visually white muddy state. This is suitable to the pixel electrode for the reflection type liquid-crystal display device.

REFERENCES:
patent: 4431272 (1984-02-01), Yazawa et al.
patent: 4648691 (1987-03-01), Oguchi et al.

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