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:
Apr. 19, 2022
Filed:
Mar. 18, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Jongho Son, Seoul, KR;
Young Gu Kim, Yongin-si, KR;
Jiyun Park, Hwaseong-si, KR;
Jongmin Ok, Hwaseong-si, KR;
Sun-Young Chang, Seoul, KR;
Hyelim Jang, Hwaseong-si, KR;
Baekkyun Jeon, Yongin-si, KR;
Kyungseon Tak, Hwaseong-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
Provided is a display device. The display device includes a liquid crystal display panel and an optical film disposed above the liquid crystal display panel, the optical film comprising a first pattern layer having a first refractive index and a second pattern layer having a second refractive index different from the first refractive index and disposed on the first pattern layer. The first pattern layer includes a first base part and a plurality of first protrusions. Each of the first protrusions includes a bottom surface adjacent to the first base part, an upper surface facing the bottom surface, and side surfaces between the bottom surface and the upper surface. Each of the side surfaces is perpendicular to the bottom surface and the upper surface.