High refraction film, high refraction film-forming coating composition, anti-reflection film, protective film for polarizing plate, polarizing plate and image display device
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United States of America Patent
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May 12, 2009
Grant Date -
Aug 11, 2005
app pub date -
Apr 28, 2003
filing date -
May 1, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high refraction film, an anti-reflection film, a protective film for polarizing plate, a polarizing plate and an image display device excellent in weathering resistance are provided. The high refraction film comprises inorganic fine particles having an average particle diameter of from 1 to 200 nm comprising titanium dioxide as a main component and has a refractive index of from 1.55 to 2.40. The anti-reflection film comprises a transparent support and a high refraction film formed thereon. The polarizing plate comprises a polarizing film and two protective films having said polarizing film interposed therebetween, wherein an anti-reflection film is used as at least one of the two protective films or wherein an anti-reflection film is used as one protective film and an optically compensated film having optical isomerism is used as another protective sheet. The image display device has a structure comprising an anti-reflection film or a polarizing plate disposed on the image display surface thereof.
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