Title:
OPTICAL SHEET AND OPTICAL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2021/085357
Kind Code:
A1
Abstract:
An optical sheet 10 according to the present invention is composed of a multilayer body which is provided with a polarizing layer 4 that contains at least one light absorbent, while having a polarizing function, and a protective layer 1 that is superposed on the polarizing layer 4; the polarizing layer 4 has an a* value of from 0 to 30 and a b* value of from 0 to 30 in the L*a*b* color system as set forth in JIS Z 8781-4; and the optical sheet 10 has a Q Blue value of 0.70 or more as determined in accordance with Australian/New Zealand Standard 1067 (2016). Consequently, even if the optical sheet is colored in brown, even blue light is able to be discriminated with excellent discriminability.
Inventors:
NISHINO SATOSHI (JP)
OYA HIROSHI (JP)
OYA HIROSHI (JP)
Application Number:
PCT/JP2020/040039
Publication Date:
May 06, 2021
Filing Date:
October 26, 2020
Export Citation:
Assignee:
SUMITOMO BAKELITE CO (JP)
International Classes:
G02B5/30; C09B29/33; C09B43/16; G02B5/22; G02C7/10
Domestic Patent References:
| WO2014030611A1 | 2014-02-27 | |||
| WO2014115705A1 | 2014-07-31 |
Foreign References:
| JP2018066964A | 2018-04-26 | |||
| JP2018514817A | 2018-06-07 | |||
| JP2007093927A | 2007-04-12 | |||
| JP2019185068A | 2019-10-24 | |||
| US20190187489A1 | 2019-06-20 |
Attorney, Agent or Firm:
ASAHI, Kazuo et al. (JP)
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