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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.

Patent No.:

US 12498511 B1

PDFFull Text
Date of Patent:
Dec. 16, 2025

Filed:

Sep. 01, 2021

Polarizing plate and optical display comprising the same

Applicant:

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

Inventors:

Jun Mo Koo, Suwon-si, KR;

Bong Choon Kim, Suwon-si, KR;

Sang Hum Lee, Suwon-si, KR;

Jung Hun You, Suwon-si, KR;

Hee Seop Kim, Suwon-si, KR;

Kwang Ho Shin, Suwon-si, KR;

Assignee:

Wuxi Hengxin Optoelectronic Materials Co., Ltd., Wuxi, CN;

Attorney:

Ricky Lam

Primary Examiner:

Sophie Hon

Int. Cl.
CPC ...
G02B 5/30 (2006.01); C08J 5/18 (2006.01); C08L 1/12 (2006.01); C08L 25/18 (2006.01); G02B 1/02 (2006.01); G02B 1/04 (2006.01); G02B 1/14 (2015.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); C08J 5/18 (2013.01); C08L 1/12 (2013.01); C08L 25/18 (2013.01); G02B 1/02 (2013.01); G02B 1/04 (2013.01); C08J 2301/12 (2013.01); C08J 2325/18 (2013.01); C08L 2203/16 (2013.01); G02B 1/14 (2015.01); H10K 59/8792 (2023.02);
Abstract

A polarizing plate and an optical display including the same are provided. A polarizing plate includes a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has a degree of biaxiality (NZ) of less than 0 at a wavelength of 550 nm and is a non-liquid crystal layer, and the second retardation layer has a degree of biaxiality (NZ) of greater than 1 at a wavelength of 550 nm.

Find Patent Forward Citations

Koo, Jun. (2025). Polarizing plate and optical display comprising the same (U.S. Patent No. 12498511). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12498511

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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