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. 28, 2022

Filed:

Aug. 19, 2021
Applicants:

K-tronics (Suzhou) Technology Co., Ltd., Jiangsu, CN;

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

Inventors:

Xianrong Cheng, Beijing, CN;

Chuanwei Zhang, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0031 (2013.01); G02B 6/0065 (2013.01); G02B 6/0086 (2013.01);
Abstract

A backlight module and a displaying device. The backlight module comprises a backplane, a reflector plate and a light guide plate that are disposed in sequence, a light strip disposed on a first side of the light guide plate, and a plurality of positioning assemblies disposed at two ends of the first side of the light guide plate respectively, wherein each light guide assembly comprises a positioning element disposed on the backplane and a guide surface disposed at a corner of the first side of the light guide plate. The positioning assemblies are disposed on the first side, where the light strip is located, of the light guide plate, such that the light guide plate will be driven to move away from support members under a reactive force of the positioning elements when expanding.


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