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:
Jun. 03, 2025

Filed:

Oct. 31, 2023
Applicant:

Wuhan China Star Optoelectronics Technology Co., Ltd., Hubei, CN;

Inventors:

Xinpei Hu, Hubei, CN;

Hailong Pan, Hubei, CN;

Guangkun Liu, Hubei, CN;

Fancheng Liu, Hubei, CN;

Guowei Zha, Hubei, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 8/00 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133607 (2021.01); G02B 6/0053 (2013.01); G02B 27/0075 (2013.01);
Abstract

A backlight module and a display device are provided in the present application. In the backlight module, alight modulation surface of the annular light modulation portion is connected to an end of a corresponding light incident surface away from a physical center, and in a direction from the physical center to the annular light modulation portion, a degree of an acute angle between the light modulation surface and the light incident surface is sequentially increased; or, a light modulation surface corresponding to the annular light modulation portion is connected to an end of a corresponding light incident surface near the physical center, and in the direction from the physical center to the annular light modulation portion, the degree of the acute angle between the light modulation surface and the light incident surface is sequentially increased.


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