POLARIZING PLATE AND OPTICAL DISPLAY DEVICE COMPRISING SAME

WIPO Patent Application WO/2022/019469

A1

Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a first phase retarder and a second phase retarder successively laminated on the bottom surface of the polarizer, wherein the first phase retarder has an in-plane phase retardation (Re) of about 180nm to about 240nm at a wavelength of 550nm, the second phase retarder has an in-plane phase retardation (Re) of about 90nm to about 130nm at a wavelength of 550nm, the first phase retarder and the second phase retarder each have a degree of biaxiality (NZ) of about 0.95 to about 1.05 at a wavelength of 550nm, and the first phase retarder and the second phase retarder satisfy equation 1, equation 2, equation 3, and equation 4.

WO/2021/033631	OPTICAL ANISOTROPIC LAYER PRODUCTION METHOD, LAMINATE PRODUCTION METHOD, POLARIZER-EQUIPPED OPTICAL ANISOTROPIC LAYER PRODUCTION METHOD, POLARIZER-EQUIPPED LAMINATE PRODUCTION METHOD, COMPOSITION, AND OPTICAL ANISOTROPIC LAYER
JP3630808	NON-POLARIZATION BEAM SPLITTER
WO/2018/047719	RELEASABLE MULTILAYER FILM AND METHOD FOR PRODUCING POLARIZING PLATE

KIM BONG CHOON (KR)
KOO JUN MO (KR)
SHIN KWANG HO (KR)
YOU JUNG HUN (KR)
LEE SANG HUM (KR)
CHO EUN SOL (KR)
HWANG SEON OH (KR)

PCT/KR2021/006861

January 27, 2022

June 02, 2021

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SAMSUNG SDI CO LTD (KR)

G02B5/30; G02F1/13363; H01L27/32

KR20190065895A	2019-06-12
KR20160012274A	2016-02-03
KR20130070559A	2013-06-27
US20180267211A1	2018-09-20
US20160349573A1	2016-12-01

AJU INTERNATIONAL LAW & PATENT GROUP (KR)

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