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:
Mar. 05, 2024

Filed:

Sep. 17, 2021
Applicant:

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

Inventors:

A Ra Jo, Suwon-si, KR;

Beom Deok Lee, Suwon-si, KR;

Seon Gyeong Jeong, Suwon-si, KR;

Seong Hoon Lee, Suwon-si, KR;

Seung Mi Shin, Suwon-si, KR;

Wan Taek Hong, Suwon-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3041 (2013.01); G02B 5/3083 (2013.01); G02F 1/133528 (2013.01);
Abstract

A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizer; and a first protective layer and a second protective layer sequentially stacked on a surface of the polarizer, and the second protective layer includes a positive C retardation layer, the positive C retardation layer having a thickness of about 10 μm or less, an index of refraction of about 1.50 to about 1.55, and a glass transition temperature (Tg) of about 150° C. to about 250° C.


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Jo, A. (2024). Polarizing plate and optical display comprising the same (U.S. Patent No. 11921309). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11921309

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