MULTILAYER FILM, MULTILAYER BODY, POLARIZING PLATE, METHOD FOR PRODUCING POLARIZING PLATE ROLL, AND DISPLAY DEVICE

WIPO Patent Application WO/2022/149585

A1

The present invention addresses the problem of providing a multilayer film which has excellent impact resistance and bonding durability under high temperature and high humidity conditions in cases where the multilayer film is bonded to a glass plate, while having excellent durability in terms of repeated folding operations and excellent characteristics that prevent the occurrence of optical unevenness. The present invention also addresses the problem of providing: a multilayer body which is obtained by bonding a glass plate and the above-described multilayer film with each other; a polarizing plate which is provided with the multilayer film or the multilayer body; a method for producing a roll of the polarizing plate; and a display device which is provided with the polarizing plate.　A multilayer film according to the present invention is composed of at least an optical film, an adhesive layer and a mold release film, and is characterized in that: the film thickness of the optical film is not less than 1 μm but less than 10 μm; and the film thickness of the adhesive layer is not less than 1 μm but less than 10 μm.

OKUBO YASUSHI (JP)
TAKEBE TAKASHI (JP)
FUJIEDA NANAE (JP)
NANJIYOU TAKASHI (JP)
SAITO MAKIKO (JP)

PCT/JP2022/000152

July 14, 2022

January 06, 2022

Click for automatic bibliography generation  

KONICA MINOLTA INC (JP)

B32B27/00; C09J7/38; C09J201/00; G02B5/30; H01L27/32; H01L51/50; H05B33/02; H05B33/14

JP2020164835A	2020-10-08
JP2004325890A	2004-11-18
JP2017075998A	2017-04-20
JP2018197317A	2018-12-13
JP2020128470A	2020-08-27

KOYO INTERNATIONAL PATENT FIRM (JP)

View/Download PDF      PDF Help

Previous Patent: PEPTIDE

Next Patent: CONSTRUCTION MACHINE