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. 29, 2026
Filed:
Aug. 01, 2022
Samsung Sdi Co., Ltd., Yongin-si, KR;
Il Woong Baek, Suwon-si, KR;
Yeon Ju Jung, Suwon-si, KR;
Yoon Jung Kim, Suwon-si, KR;
Sung Man Cho, Suwon-si, KR;
Ri Ra Jung, Suwon-si, KR;
Han Mam Jeong, Suwon-si, KR;
HOARDSUN HENGXIN(WUXI) MATERIALS CO., LTD., Wuxi, CN;
Abstract
Provided are a polarizing plate and an optical display device comprising the same, the polarizing plate comprising: a polarizer; a protective film laminated on the top surface of the polarizer; and a retardation film laminated on the bottom surface of the polarizer. The retardation film comprises a first retardation layer, and a second retardation layer which is a coating layer formed on one surface of the first retardation layer. The protective film has a total haze of 19% or more and an internal haze of 7% or more at a wavelength of 550 nm to 555 nm, and the polarizer has a polarization angle of 99.5% or more.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile