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Title:
POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2020/138879
Kind Code:
A1
Abstract:
The present invention provides a polarizing plate and a liquid crystal display device comprising same, the polarizing plate comprising: a polarizer; and a first retardation layer and a second retardation layer formed on one surface of the polarizer, wherein the first retardation layer has a thickness direction retardation (Rth) of about -75 nm to about -130 nm at a wavelength of about 550 nm, the second retardation layer satisfies equations 1 and 2, a laminated body of the first retardation layer and the second retardation layer has a thickness direction retardation (Rth) of about -70 nm to about 0 nm at a wavelength of about 550 nm, and the first retardation layer includes a coating layer formed of a composition containing a cellulose ester-based compound.

More Like This:
WO/2009/008472POLARIZING PLATE FOR LIQUID CRYSTAL DISPLAY DEVICE, METHOD FOR PRODUCING POLARIZING PLATE FOR LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE
JP5301927Liquid crystal display element
Inventors:
KOO JUN MO (KR)
YOU JUNG HUN (KR)
LEE SANG HUM (KR)
SHIN DONG YOON (KR)
Application Number:
PCT/KR2019/018276
Publication Date:
July 02, 2020
Filing Date:
December 23, 2019
Export Citation:
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Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
G02B5/30; G02B1/04; G02B1/10
Foreign References:
KR20170064822A2017-06-12
KR101864937B12018-06-07
KR101452542B12014-10-21
KR20180062457A2018-06-08
KR20170097597A2017-08-28
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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