logo

For the Inventor, By the Inventor

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.:

US 12092912 B1

PDFFull Text
Date of Patent:
Sep. 17, 2024

Filed:

Nov. 18, 2022

Viewing angle widening film, manufacturing method thereof, and display device

Applicant:

Tcl China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;

Inventors:

Guang Zeng, Shenzhen, CN;

Yue Wang, Shenzhen, CN;

Yuan Shao, Shenzhen, CN;

Fang Tan, Shenzhen, CN;

Assignee:

TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen, CN;

Attorneys:

PV IP PC

Wei Te Chung

Primary Examiner:

Jonathan Y Jung

Int. Cl.
CPC ...
G02F 1/13 (2006.01); B82Y 20/00 (2011.01); G02B 5/02 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1323 (2013.01); G02B 5/02 (2013.01); G02F 1/133502 (2013.01); G02F 1/133504 (2013.01); G02F 1/133528 (2013.01); B82Y 20/00 (2013.01); G02B 2207/101 (2013.01);
Abstract

A viewing angle widening film, a manufacturing method thereof, and a display device are provided. A first film layer of the viewing angle widening film includes protrusions spaced apart from each other and extended along a first direction. The protrusions include a first protrusion and a second protrusion arranged on a side of the first protrusion away from a flat layer, a surface of the second protrusion on a side away from the flat layer is an arc surface, and a diffusion effect of the second protrusion is weaker than that of the first protrusion.

Find Patent Forward Citations

Zeng, Guang. (2024). Viewing angle widening film, manufacturing method thereof, and display device (U.S. Patent No. 12092912). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12092912

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…