POLARIZING FILM WITH ADHESIVE, OPTICAL LAMINATE, AND SET OF POLARIZING FILMS

WIPO Patent Application WO/2007/139174

A1

Disclosed is a polarizing film (10) with adhesive comprising a polarizing film (15), which has a structure composed of an amorphous cyclic polyolefin resin film (12), a polarizer (13) and a protection film (14), and an adhesive layer (11) arranged on the outer side of the amorphous cyclic polyolefin resin film (12). The adhesive layer (11) has a gel fraction of 75-95% by weight. An optical laminate is obtained by bonding this polarizing film (10) with adhesive to one side of a glass cell (35) for liquid crystal displays. A second polarizing film (25) having a structure composed of a protection film (22), a polarizer (23) and another protection film (24) is bonded to the other side of the glass cell (35) via a second adhesive layer (21). When the protection film (22) is made of an acetylcellulose, the second adhesive layer (21) is composed of a material having a low gel fraction.

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JP7417623	Optical laminates, polarizing plates, and image display devices

KAKEKO RYU (JP)
SUGIHARA MASAKO (JP)
INOKUCHI YUUHEI (JP)
JANG JU YEUL (JP)

PCT/JP2007/061043

December 06, 2007

May 24, 2007

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SUMITOMO CHEMICAL CO (JP)
KAKEKO RYU (JP)
SUGIHARA MASAKO (JP)
INOKUCHI YUUHEI (JP)
JANG JU YEUL (JP)

G02B5/30; C09J7/29; C09J11/06; C09J133/00

JP2003329832A	2003-11-19
JP2002277634A	2002-09-25
JP2006113575A	2006-04-27

ENOMOTO, Masayuki et al. (Property Service Limited,5-33, Kitahama 4-chome, Chuo-k, Osaka-shi Osaka 50, JP)

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