Light-polarizing film
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United States of America Patent
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Jun 24, 2003
Grant Date -
Feb 20, 2003
app pub date -
Aug 21, 2002
filing date -
Mar 18, 1999
priority date (Note) -
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Abstract
A light-polarizing film is provided which possesses a light transmittance of not more than 0.3% wavelengths of from 430 nm to 500 nm inclusive when irradiated with a linearly polarized light with a vibration plane parallel to an absorption axis of said film, and a light transmittance of not less than 77% at wavelengths of from 430 nm to 500 nm inclusive when irradiated with a linearly polarized light with a vibration plane perpendicular to the absorption axis of said film. When a light-polarizing plate comprising the light polarizing film is applied to the liquid crystal panel for blue of a liquid crystal projector, the obtained liquid crystal projector displays images featuring bright and 15 natural color tones.
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