Title:
POLARIZER, POLARIZING PLATE, AND OPTICAL DISPLAY DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/167282
Kind Code:
A1
Abstract:
Provided are a polarizer comprising a polyvinyl alcohol-based film and having an endothermic peak of 50°C to 60°C when measured by differential scanning calorimetry at a temperature increase rate of 10°C/min; a polarizing plate comprising a polarizer and a first protective film and a second protective film laminated on one surface and the other surface of the polarizer, respectively, and having an initial shrinkage initiation temperature greater than 70°C and less than or equal to 90°C during thermomechanical analysis; and an optical display device comprising same.
Inventors:
KIM DO WON (KR)
KANG HAN SAEM (KR)
KO MUN BO (KR)
CHO SUNG MAN (KR)
KIM KI YONG (KR)
CHO EUN SOL (KR)
KANG HAN SAEM (KR)
KO MUN BO (KR)
CHO SUNG MAN (KR)
KIM KI YONG (KR)
CHO EUN SOL (KR)
Application Number:
PCT/KR2021/001647
Publication Date:
August 26, 2021
Filing Date:
February 08, 2021
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
G02B5/30; G02B1/14
Foreign References:
| KR20150082874A | 2015-07-16 | |||
| KR20180032175A | 2018-03-29 | |||
| KR20190030522A | 2019-03-22 | |||
| KR20180031601A | 2018-03-28 | |||
| KR20190112123A | 2019-10-02 |
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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