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:
Dec. 21, 2021
Filed:
Oct. 10, 2018
Polarizing plate for light-emitting display device, and light-emitting display device including same
Samsung Sdi Co., Ltd., Yongin-si, KR;
Sang Hum Lee, Suwon-si, KR;
Kenji Hamada, Suwon-si, KR;
Jin Sook Kim, Suwon-si, KR;
Jung Hun You, Suwon-si, KR;
Jin Hee Choi, Suwon-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Provided is a polarizing plate for a light-emitting diode and a light-emitting display device including the same, the polarizing plate comprising a polarizing film and a liquid crystal retardation film, wherein the liquid crystal retardation film comprises a laminate made of: a second retardation film having a discotic liquid crystal of which an in-plane retardation Re, in a wavelength of 550 nm, is approximately 220 nm to approximately 280 nm and a biaxial degree (NZ) is approximately 0 to approximately 0.3; and a first retardation film having a nematic liquid crystal of which an in-plane retardation Re, in a wavelength of 550 nm, is approximately 100 nm to approximately 150 nm and a biaxial degree (NZ) is approximately 0.3 to approximately 0.7.