Title:
POLARIZING PLATE FOR LIGHT-EMITTING DISPLAY DEVICE, AND LIGHT-EMITTING DISPLAY DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/177621
Kind Code:
A1
Abstract:
Provided are a polarizing plate for a light-emitting display device, and a light-emitting display device comprising same, the polarizing plate comprising: a polarizer; and a first adhesive layer, a first liquid crystal retardation film, a second adhesive layer and a second liquid crystal retardation film which are sequentially layered on one surface of the polarizer, wherein variation in the degree of polarization (△PE1, △PE2) of formula 1 and formula 2, of the polarizing plate for a light-emitting display device, is each approximately 0.7% or less.
Inventors:
LEE DO HEON (KR)
CHOI HAN JOO (KR)
KIM IL JIN (KR)
CHOI HAN JOO (KR)
KIM IL JIN (KR)
Application Number:
PCT/KR2021/001780
Publication Date:
September 10, 2021
Filing Date:
February 10, 2021
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
C08K5/10; G02B5/30; C09J11/06; C09J163/00
Foreign References:
| KR20170108792A | 2017-09-27 | |||
| KR20160037733A | 2016-04-06 | |||
| KR20140082533A | 2014-07-02 | |||
| KR20130020618A | 2013-02-27 | |||
| KR20200007455A | 2020-01-22 |
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
Download PDF: