Title:
OPTICAL LAYERED BODY AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/049229
Kind Code:
A1
Abstract:
The present invention provides an optical layered body in which adhesion between an adhesive layer and an adherend is enhanced, and a display device that includes the optical layered body. Provided is an optical layered body comprising a front plate, a first adhesive layer, a polarizing plate, a second adhesive layer, and a rear plate in the stated order, the ratio of a component having a weight-average molecular weight of 10,000 or less from among components eluted when the first adhesive layer is soaked in ethyl acetate being 10-30% by mass (inclusive). In the second adhesive layer, the ratio of a component having a weight-average molecular weight of 10,000 or less from among components eluted when the second adhesive layer is soaked in ethyl acetate is preferably 10-30% by mass (inclusive).
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Inventors:
LEE SEUNGWOO (KR)
KIM JUNGHEE (KR)
KIM JUNGHEE (KR)
Application Number:
PCT/JP2020/030547
Publication Date:
March 18, 2021
Filing Date:
August 11, 2020
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
G02B5/30; B32B7/12; C09J7/38; C09J201/00; G02F1/1335; G09F9/00; H01L27/32; H01L51/50; H05B33/02; H05B33/14
Domestic Patent References:
| WO2019049726A1 | 2019-03-14 | |||
| WO2014061611A1 | 2014-04-24 |
Foreign References:
| JP2016186053A | 2016-10-27 | |||
| JP2018024756A | 2018-02-15 | |||
| JP2008096734A | 2008-04-24 | |||
| JP2011231182A | 2011-11-17 | |||
| JP2002129123A | 2002-05-09 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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