Photo-patterned light polarizing films
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United States of America Patent
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Jun 3, 2008
Grant Date -
Jan 15, 2004
app pub date -
Jul 10, 2003
filing date -
Aug 22, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
This invention relates to methods for preparing photo-patterned mono- or polychromatic, polarizing films. The polarizer can be pixelated into a number of small regions wherein some of the regions have one orientation of the principal neutral or color absorbing axis; and some other of the said regions have another orientation of the principal neutral or color absorbing axis. The axis orientation is determined by the polarization vector of actinic radiation and the multi-axes orientation is possible by a separated masked exposure. This polarizer can be placed on the interior substrate surface of the LCD cell.
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