Title:
COVER MEMBER, BASE FILM FOR COVER MEMBER, AND DISPLAY DEVICE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2022/059465
Kind Code:
A1
Abstract:
The problem of the present invention is to improve handleability of a cover member and to provide a cover member, a base film for the cover member, and a display device provided with the same which leave no crease on the base film provided on the cover member when the base film is bent repeatedly. The cover member according to the present invention comprises a base film of 1 μm to less than 15 μm and a transparent base material of 5 μm to less than 50 μm, and is characterized in that a straight line connecting the origin and a fracture point in a stress-strain curve of the base film has a slope of 1.1-25.0 inclusive.
Inventors:
FUJIEDA NANAE (JP)
TAKEBE TAKASHI (JP)
OKUBO YASUSHI (JP)
NANJIYOU TAKASHI (JP)
TASAKA KOJI (JP)
TAKEBE TAKASHI (JP)
OKUBO YASUSHI (JP)
NANJIYOU TAKASHI (JP)
TASAKA KOJI (JP)
Application Number:
PCT/JP2021/031647
Publication Date:
March 24, 2022
Filing Date:
August 30, 2021
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G02B5/30; B32B7/022; G02F1/1333; G09F9/00
Domestic Patent References:
| WO2020149206A1 | 2020-07-23 | |||
| WO2020040209A1 | 2020-02-27 | |||
| WO2019083606A1 | 2019-05-02 |
Foreign References:
| JP2014173040A | 2014-09-22 | |||
| JP2019206163A | 2019-12-05 | |||
| JP2019504812A | 2019-02-21 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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