Optical film, anti-reflection film, polarizing plate and liquid crystal display device

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United States of America Patent

PATENT NO 9493620
APP PUB NO 20110151146A1
SERIAL NO

13060235

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Abstract

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Disclosed is an optical film that has excellent adhesion and surface hardness between the film substrate and a hard coat layer or other functional layer, has improved brittleness, is transparent, and has low moisture absorption and high heat resistance. Additionally disclosed are an antireflective film, a polarizing plate, and a display device using the same. The optical film has at least a hard coat layer or a back coat layer as a functional layer containing a resin on a film substrate, and is characterized in that said film substrate contains a thermoplastic acrylic resin (A) and a cellulose ester resin (B), with the content ratio by mass of said thermoplastic acrylic resin (A) and said cellulose ester resin (B) being in a range thermoplastic acrylic resin (A):cellulose ester resin (B)=95:5 to 50:50.

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Patent Owner(s)

Patent OwnerAddress
KONICA MINOLTA OPTO INCTOKYO TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doi, Daisuke Hyogo, JP 15 110
Kubo, Nobuo Tokyo, JP 81 954
Okano, Satoshi Tokyo, JP 65 613

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