Title:
OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2020/138046
Kind Code:
A1
Abstract:
Provided is an optical film having low haze and low yellow discoloration even after long-term storage in a folded state under a high-temperature, high-humidity environment. This optical film has yield point strain of 1.5% or greater. Additionally, the haze Hza of the optical film, after the film is subjected to mandrel testing in which the film is bent once at a bend radius of 1 mm and is brought back to a flat state under room temperature, is 1.5% or less.
Inventors:
SUGIYAMA HIROKO (JP)
MIYAMOTO KOJI (JP)
IKEUCHI JUNICHI (JP)
PYEON BORAM (JP)
MASUI KENTARO (JP)
MOCHIZUKI KATSUNORI (JP)
KIM SEONGMIN (JP)
MIYAMOTO KOJI (JP)
IKEUCHI JUNICHI (JP)
PYEON BORAM (JP)
MASUI KENTARO (JP)
MOCHIZUKI KATSUNORI (JP)
KIM SEONGMIN (JP)
Application Number:
PCT/JP2019/050542
Publication Date:
July 02, 2020
Filing Date:
December 24, 2019
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C08J5/18; G02F1/1335; G09F9/00; C08G73/14
Foreign References:
| JP2018119141A | 2018-08-02 | |||
| JP2018060180A | 2018-04-12 | |||
| KR20180112671A | 2018-10-12 | |||
| JP2019143124A | 2019-08-29 | |||
| US20190358865A1 | 2019-11-28 | |||
| JP2018119133A | 2018-08-02 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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