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Patent Searching and Data


Title:
LAMINATE AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/170697
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a laminate having excellent light stability. The present invention provides a laminate having a front plate, a polarizing layer, and a phase retardation layer in this order, wherein the phase retardation layer contains a polymer of a polymerizable liquid crystal compound, and the following conditions are satisfied: 0.8 ≤ the degree of yellowing (YI) of the front plate ≤ 3.5; and the luminosity corrected unit transmittance (T) of the laminate ≤ 50%.

Inventors:
YOO JIHEE (KR)
KIM DONGHWI (KR)
JANG JU-YEUL (KR)
Application Number:
PCT/JP2020/002091
Publication Date:
August 27, 2020
Filing Date:
January 22, 2020
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
G02B5/30; B32B7/023; G02F1/13; G02F1/1335; G02F1/13363
Domestic Patent References:
WO2019022212A12019-01-31
Foreign References:
JP2008197310A2008-08-28
JP2017083843A2017-05-18
JP2018193538A2018-12-06
KR20160082639A2016-07-08
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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