OPTICAL FILM LAMINATE, OPTICAL DISPLAY DEVICE USING THE SAME, AND TRANSPARENT PROTECTIVE FILM

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United States of America Patent

SERIAL NO

15516439

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Abstract

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The optical film laminate comprises: a polarizing film which is formed of a polyvinyl alcohol-based resin containing a molecularly-oriented dichroic martial, and has a thickness of 10 μm or less; and a transparent protective film formed of a thermoplastic resin and disposed on one of opposite surfaces of the polarizing film through an adhesive layer. The transparent protective film has a thickness of 40 μm or less, and a dimensional change rate in a direction orthogonal to an absorption axis of the polarizing film is 0.2% or more, as measured using a test piece thereof having a size of 100 mm×100 mm, in a state after leaving the test piece in an environment at 85° C. for 48 hours.

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Patent Owner(s)

Patent OwnerAddress
NITTO DENKO CORPORATION1-1-2 SHIMOHOZUMI IBARAKI-SHI OSAKA 567-8680

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HAITA, Nobuyuki Ibaraki-shi, JP 1 5
KITAGAWA, Takeharu Ibaraki-shi, JP 93 2175
NOMOTO, Hirofumi Ibaraki-shi, JP 3 23

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