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Patent Searching and Data


Title:
OPTICAL FILM, POLARIZING PLATE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2019/245145
Kind Code:
A1
Abstract:
Provided are an optical film, a polarizing plate including same, and a display device including same, the optical film comprising a first layer and second and third layers sequentially formed on the first layer, wherein the first layer and the third layer are each formed directly on the second layer, the first layer is a reverse wavelength dispersive negative A layer, the third layer is a positive C layer, and the ratio of the thickness of the second layer to the thickness of the third layer (the thickness of the second layer/the thickness of the third layer) is about 0.2 to about 2.

Inventors:
KOO JUN MO (KR)
YOU JUNG HUN (KR)
LEE SANG HUM (KR)
SHIN DONG YOON (KR)
Application Number:
PCT/KR2019/004611
Publication Date:
December 26, 2019
Filing Date:
April 17, 2019
Export Citation:
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Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
G02B5/30; B32B23/08; B32B23/20; B32B27/08; B32B27/32; B32B27/36; G02B5/22
Foreign References:
KR101436441B12014-09-02
KR20130036918A2013-04-15
KR20170117961A2017-10-24
JP2006520008A2006-08-31
KR20170068861A2017-06-20
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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