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:
Oct. 08, 2019
Filed:
Mar. 09, 2017
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Ocksoo Son, Seoul, KR;
Sungin Ro, Hwaseong-si, KR;
Youngjin Park, Suwon-si, KR;
Junho Song, Seongnam-si, KR;
Jaehak Lee, Suwon-si, KR;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Abstract
An optical film includes a negative C-plate, a light diffusion layer on the negative C-plate, and a polarizer on the negative C-plate where the polarizer includes a linear polarizer and a retardation plate on the linear polarizer, the light diffusion layer includes a first light-transmissive base and a plurality of first rods that have a different refractive index from that of the first light-transmissive base and are aligned at a first inclination angle within the first light-transmissive base, and the negative C-plate has an x-axis refractive index Nx, a y-axis refractive index Ny, and a z-axis refractive index Nz, where 'Nx>Nz' and 'Ny>Nz.'