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.

Date of Patent:
Oct. 01, 2024

Filed:

Jun. 15, 2021
Applicant:

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Guangdong, CN;

Inventor:

Haotian Xu, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/13 (2006.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G02B 6/0023 (2013.01); G02F 1/1323 (2013.01); G02F 1/29 (2013.01);
Abstract

The present application discloses a backlight module and a display device. The backlight module includes a light source assembly, a light concentration structure concentrating light emitted from the light source assembly and emitting the light in a predetermined angle range, a light guide structure guiding the light concentrated by the light concentration structure in a way of mirror reflection out from a light exiting surface of the light guide structure, and a viewing angle switch assembly, wherein the viewing angle switch assembly guides light emitted from the light guide structure outward at a first viewing angle or a second viewing angle.


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