Title:
POLARIZING PLATE AND OPTICAL DISPLAY DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/029626
Kind Code:
A1
Abstract:
Provided is a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a stack body of a first phase difference layer and a second phase difference layer stacked on a lower surface of the polarizer, wherein the first phase difference layer satisfies Equation 1, the second phase difference layer satisfies Equation 2, the sum of an in-plane phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about 100 nm to about 110 nm, the sum of a thickness direction phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about -30 nm to about +10 nm, and the second phase difference layer comprises a fluorine-based phase difference layer.
Inventors:
KOO JUN MO (KR)
KIM BONG CHOON (KR)
SHIN DONG YOON (KR)
YOU JUNG HUN (KR)
LEE SANG HUM (KR)
KIM BONG CHOON (KR)
SHIN DONG YOON (KR)
YOU JUNG HUN (KR)
LEE SANG HUM (KR)
Application Number:
PCT/KR2020/010488
Publication Date:
February 18, 2021
Filing Date:
August 07, 2020
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
G02B5/30; G02B1/04; G02B1/14; G02F1/13363
Foreign References:
| KR20180039649A | 2018-04-18 | |||
| KR20190062549A | 2019-06-05 | |||
| KR20170121987A | 2017-11-03 | |||
| KR20140137018A | 2014-12-01 | |||
| JP2012177907A | 2012-09-13 |
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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