Title:
TRANSPARENT RESIN SUBSTRATE FOR FLEXIBLE DISPLAY, AND HARD COAT FILM
Document Type and Number:
WIPO Patent Application WO/2023/149421
Kind Code:
A1
Abstract:
Provided is a transparent resin substrate that is for a flexible display, that contains a (meth)acrylic resin which has a weight-average molecular weight of 200,000 or greater, that has a glass transition temperature of 110°C or higher, and that has a photoelastic constant of -5.0×10-12 to 5.0×10-12 Pa-1. Also provided are: a hard coat film obtained by forming a hard coat layer on at least one of the primary surfaces of said transparent resin substrate; and a flexible display having said transparent resin substrate.
Inventors:
YAMADA HIROTSUGU (JP)
TSUMURA MANABU (JP)
ICHIRYU YOSHIKATSU (JP)
TSUMURA MANABU (JP)
ICHIRYU YOSHIKATSU (JP)
Application Number:
PCT/JP2023/003022
Publication Date:
August 10, 2023
Filing Date:
January 31, 2023
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08J5/00; B32B27/30; C08J7/046; G09F9/00; C08F222/40; C08F265/06
Domestic Patent References:
| WO2020027085A1 | 2020-02-06 | |||
| WO2019167471A1 | 2019-09-06 | |||
| WO2021060961A1 | 2021-04-01 | |||
| WO2020027078A1 | 2020-02-06 | |||
| WO2022131365A1 | 2022-06-23 |
Foreign References:
| JP2014012782A | 2014-01-23 | |||
| JP2021084912A | 2021-06-03 | |||
| JP2021033258A | 2021-03-01 |
Attorney, Agent or Firm:
NIIYAMA Yuichi et al. (JP)
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