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.:
Date of Patent:
Sep. 15, 2026
Filed:
Mar. 13, 2024
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventors:
Ji Hyun Wi, Suwon-si, KR;
Eun Mi Kim, Suwon-si, KR;
A Ra Jo, Suwon-si, KR;
Min Jeong Park, Suwon-si, KR;
Han Su Kim, Suwon-si, KR;
Assignee:
HOARDSUN HENGXIN(WUXI) MATERIALS CO., LTD., Wuxi, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3025 (2013.01); G02F 1/133531 (2021.01);
Abstract
A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a protective film stacked on a light exit surface of the polarizer, and the protective film includes a polyester based base layer and an antiglare layer stacked on a surface of the polyester based base layer, and the protective film has an in-plane retardation of 100 nm to 4,000 nm at a wavelength of 550 nm, a total haze of 40% to 80%, and a ratio of internal haze to external haze of greater than 0 to 0.2.