Automatically aligned liquid crystal display and its reflector structure
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United States of America Patent
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Apr 5, 2005
Grant Date -
Apr 8, 2004
app pub date -
Oct 8, 2002
filing date -
Oct 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automatically aligned liquid crystal display comprises an upper and a lower substrates, at least one polarizer, at least one serial retardation films and a uniformly distributed and vertically or near-vertically aligned liquid crystal layer. The substrates have respectively a common electrode layer and a pixel electrode layer thereon. One of the electrode layers is transparent and the other is a layer of automatically aligned diffusing reflective or partially reflective devices. The device is formed on a single substrate. The automatically aligned liquid crystal display of the invention has different bump structures formed in the pixel region, around the boundary of the pixel region, at a contact hole near the pixel center, or around the boundary of the pixel region and the transparent area. The reflective or partially reflective liquid crystal display of the invention forms multiple domains with good properties of a very high contrast ratio and a wider viewing angle.
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