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:
Jan. 30, 2024
Filed:
Aug. 03, 2020
Applicant:
Tcl China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133507 (2021.01); G02B 5/0263 (2013.01); G02F 1/133531 (2021.01); G02F 2201/50 (2013.01);
Abstract
A viewing angle diffusion film and a display panel are disclosed. The viewing angle diffusion film includes a substrate and a refractive protrusion disposed on a surface of the substrate. The refractive protrusion includes a first side surface away from a center of the substrate, and the first side surface includes a first curved surface.