Liquid crystal display device treated by UV irradiation
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United States of America Patent
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Aug 24, 2010
Grant Date -
Nov 27, 2008
app pub date -
Jun 30, 2008
filing date -
Aug 1, 2001
priority date (Note) -
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Abstract
A liquid crystal display device includes a pair of substrates, a liquid crystal between substrates and alignment layers disposed on the inner surface sides of the substrates. The alignment layer is made from a material including polyamic acid containing a diamine component and polyimide containing a diamine component different from the diamine component of the polyamic acid. The alignment layer is subjected to alignment treatment by irradiation of light. UV light can be irradiated in the oblique direction onto the alignment layer through a mask having openings. A reflecting plate can be arranged between a UV light source and the mask. Also, bank structures having a thickness from 0.1 to 0.15 μm can be provided on the alignment layer of the TFT substrate.
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