Title:
OPTICAL LAMINATE WITH COVER GLASS AND IMAGE DISPLAY DEVICE WITH COVER GLASS
Document Type and Number:
WIPO Patent Application WO/2020/079875
Kind Code:
A1
Abstract:
Provided are: an optical laminate with a cover glass which is less susceptible to cracking; and an image display device which is provided with a cover glass and comprises said optical laminate with a cover glass. This optical laminate with a cover glass has a cover glass, a first adhesive layer, an optical film, and a second adhesive layer in this order, wherein the ratio G1'/G2' of a storage elastic modulus G1' of the first adhesive layer at -40 °C to a storage elastic modulus G2' of the second adhesive layer at -40 °C is 1 or more. This image display device with a cover glass has: a display cell; and an optical laminate of the present invention, the optical laminate being provided with a cover glass and disposed on a visible side of the display cell.
Inventors:
KATAYAMA FUMIE (JP)
TAKEDA TETSURO (JP)
TAKASE YUTA (JP)
IZAKI AKINORI (JP)
TAKEDA TETSURO (JP)
TAKASE YUTA (JP)
IZAKI AKINORI (JP)
Application Number:
PCT/JP2019/019570
Publication Date:
April 23, 2020
Filing Date:
May 16, 2019
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G09F9/00; B23C3/00; C03C17/34; G02B5/30; G02F1/1333; G02F1/1335
Domestic Patent References:
| WO2018181014A1 | 2018-10-04 | |||
| WO2018030207A1 | 2018-02-15 | |||
| WO2017175674A1 | 2017-10-12 |
Foreign References:
| JP2017024177A | 2017-02-02 | |||
| US20160111040A1 | 2016-04-21 | |||
| JP2013146806A | 2013-08-01 | |||
| JP2009057394A | 2009-03-19 | |||
| JP2013087225A | 2013-05-13 | |||
| JP2015003516A | 2015-01-08 | |||
| JP2017109911A | 2017-06-22 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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