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. 02, 2026

Filed:

May. 27, 2022
Applicants:

Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Qiang Zhang, Beijing, CN;

Haifeng Xu, Beijing, CN;

Hui Dong, Beijing, CN;

Xiaojun Wu, Beijing, CN;

Aixia Sang, Beijing, CN;

Xiaochun Shi, Beijing, CN;

Jinfeng Zhang, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0088 (2013.01); G02B 6/0091 (2013.01); G02F 1/1336 (2013.01);
Abstract

This application relates to a backlight module, including a middle frame, a back plate, a light guide plate and an optical film. The back plate includes a base plate and a side plate, and in a light-exiting direction of the light guide plate, a distance between a top surface of the side plate and the base plate is less than or equal to a distance between a light-exiting surface of the light guide plate and the base plate. The middle frame includes a top wall and side wall, the top wall covers a portion of the optical film, the side wall is arranged at one side of the side plate away from the light guide plate, and the side wall has a first snap-fastener projecting in a direction close to the light guide plate and connected to the side plate. A display module and display device are further provided.


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