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:
Mar. 17, 2026
Filed:
Aug. 14, 2023
Applicant:
Tcl China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;
Inventors:
Assignee:
TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02B 5/02 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3025 (2013.01); G02B 5/0278 (2013.01); G02F 1/133504 (2013.01); G02F 2203/03 (2013.01);
Abstract
Disclosed are a light diffusion film, a polarizer and a display device. The light diffusion film includes a substrate with a glass transition temperature ranging from 70° C. to 600° C. The substrate includes a first type of substrate and a second type of substrate, and the second type of substrate is mixed in the first type of substrate. The light diffusion particles are dispersed in the substrate. The mass fraction of the first type of substrate in the substrate is greater than or equal to 60%. The mass fraction of the second type of substrate in the substrate is less than or equal to 40%.