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:
Dec. 10, 2024

Filed:

Mar. 22, 2022
Applicants:

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

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

Inventors:

Xiaojun Wu, Beijing, CN;

Haifeng Xu, Beijing, CN;

Hui Dong, Beijing, CN;

Tao Liu, Beijing, CN;

Yu Song, Beijing, CN;

Jinfeng Zhang, Beijing, CN;

Qiang Zhang, Beijing, CN;

Wenda Yang, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); B60R 1/12 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G02F 1/133615 (2013.01); B60R 1/12 (2013.01); B60R 2001/1215 (2013.01);
Abstract

The application provides a backlight module, a display screen, a rearview mirror and a vehicle, and relates to the field of display technology, and the backlight module may greatly reduce a risk of separation between a reflection unit and a light-guide plate. The backlight module includes: a light-guide plate, including: a light-outlet surface and a backlight surface set opposite to each other, and a side surface, wherein the side includes a first sub-side surface and a second sub-side surface connected to each other: a light-emitting unit, arranged at the first sub-side surface of the light-guide plate; and a reflection unit, including: a main reflection unit and a side-reflection unit, wherein the side-reflection unit is arranged at the second sub-side surface of the light-guide plate, the side-reflection unit includes at least a first side-reflection subunit and a plurality of connecting parts, the first side-reflection subunit includes at least a plurality of first reflection parts, each of the first reflection parts is connected with at least one of the connecting parts, a first gap presents between the main reflection unit and a part of the first reflection part where the first reflection part is not connected with the connecting part, and a second gap presents between two adjacent first reflection parts.


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