The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 05, 2017

Filed:

Nov. 25, 2015
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Kwang Ho Shin, Uiwang-si, KR;

Eun Su Park, Uiwang-si, KR;

Dong Yoon Shin, Uiwang-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/18 (2015.01); G02B 5/30 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
G02B 1/18 (2015.01); G02B 5/3083 (2013.01); G02F 1/13363 (2013.01); G02F 1/133528 (2013.01);
Abstract

A polarizing plate and a liquid crystal display including the polarizing plate include: a polarizer; and a surface protective film on a first surface of the polarizer, and the surface protective film includes a first protective film on the first surface of the polarizer, and a primer layer on at least one surface of the first protective film, a refractive index ratio of the first protective film to the primer layer satisfying the equation: 0.6<R/R<1.0, where Ris an index of refraction of the primer layer, and Ris an index of refraction of the first protective film, and the first protective film has an in-plane retardation (Re) of about 500 nm or less and an out-of-plane retardation (Rth) of about 10,000 nm or less at a wavelength of 550 nm.


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