Method of manufacturing pixel electrode for reflection type display device
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United States of America Patent
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-
Jan 21, 2003
Grant Date -
Oct 11, 2001
app pub date -
May 30, 2001
filing date -
Nov 6, 1996
priority date (Note) -
Expired
status (Latency Note)
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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.
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