Title:
HARD COATING FILM FOR FOLDABLE DISPLAY, AND APPLICATION OF SAID FILM
Document Type and Number:
WIPO Patent Application WO/2021/010159
Kind Code:
A1
Abstract:
[Problem] To provide a hard coating film for a foldable display, the hard coating film being such that folds and cracks do not appear in a folding section, and furthermore being exceptional in terms of suppressing iridescent color (interference spots) affected by fine cracks, etc., in a readily adhesive resin layer, etc. [Solution] A hard coating film in which a readily adhesive resin layer and a hard coating layer are provided in the stated order to at least one surface of a polyester film having a thickness of 10-80 µm, the hard coating film being used in a foldable display, and being such that: the readily adhesive resin layer is formed by curing a composition that includes a binder resin and at least one selected from titanium oxide particles, zirconium oxide particles, and silica particles; the average particle diameter of the particles is 5-150 nm; and the polyester film having the readily adhesive resin layer, prior to layering of the hard coating layer, satisfies specific conditions.
More Like This:
Inventors:
YAMAGUCHI YOHEI (JP)
TOKUO KOKICHI (JP)
NISHIO SHOTARO (JP)
KAWAI KIWAMU (JP)
TOKUO KOKICHI (JP)
NISHIO SHOTARO (JP)
KAWAI KIWAMU (JP)
Application Number:
PCT/JP2020/025672
Publication Date:
January 21, 2021
Filing Date:
June 30, 2020
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B27/20; B32B27/36; G09F9/00; G09F9/30
Domestic Patent References:
| WO2018150940A1 | 2018-08-23 | |||
| WO2018159285A1 | 2018-09-07 | |||
| WO2019216172A1 | 2019-11-14 | |||
| WO2019202992A1 | 2019-10-24 |
Foreign References:
| JP2018072663A | 2018-05-10 |
Other References:
See also references of EP 3998162A4
Download PDF:
Previous Patent: HARD COAT FILM FOR FOLDABLE DISPLAY AND USE THEREOF
Next Patent: INCOMBUSTIBLE SOUND-ABSORBING PANEL
Next Patent: INCOMBUSTIBLE SOUND-ABSORBING PANEL