Title:
OPTICAL LAYERED BODY AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/162102
Kind Code:
A1
Abstract:
Provided is an optical layered body provided with a front surface plate and a touch sensor panel in order, the optical layered body having excellent impact resistance and bend resistance. An optical layered body provided with a front surface plate and a touch sensor panel, wherein the touch sensor panel is provided with a transparent electroconductive layer and a substrate layer for supporting the transparent electroconductive layer, and the evaluation parameter A calculated from formula (1), where a [GPa] is the tensile modulus of the front surface plate, b [mJ/mm3] is the toughness of the substrate layer, and c [µm] is the thickness of the substrate layer, satisfies the relationship of formula (2a). (1): A = a×b/c
(2a): A ≥ 1.0
Inventors:
KANG DAESAN (KR)
KIM DONGHWI (KR)
SONG BYUNGHOON (KR)
KIM DONGHWI (KR)
SONG BYUNGHOON (KR)
Application Number:
PCT/JP2020/000635
Publication Date:
August 13, 2020
Filing Date:
January 10, 2020
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
G02B1/14; B32B7/022; G02B5/30; G02F1/1333; G06F3/041
Domestic Patent References:
| WO2018179893A1 | 2018-10-04 |
Foreign References:
| JP2015191634A | 2015-11-02 | |||
| JP2008058599A | 2008-03-13 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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