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.
Patent No.:
Date of Patent:
May. 09, 2023
Filed:
Dec. 20, 2021
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Huiyan Li, Beijing, CN;
Yu Zhang, Beijing, CN;
Bochang Wang, Beijing, CN;
Fuxue Liang, Beijing, CN;
Shixin Geng, Beijing, CN;
Beijing BOE Display Technology Co., Ltd., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A backlight unit includes: a back plate including a bottom wall and a side wall around a periphery of the bottom wall; a lamp strip including a substrate and lamp beads on the substrate; a light guide plate on a side of the bottom wall provided with the side wall, the lamp strip being on a first side wall of the side wall, and light emitting surfaces of the lamp beads being opposite to a side surface of the light guide plate; and a position limiting and fixing structure between the light guide plate and each of the back plate and the lamp strip, for limiting and fixing a position of the lamp strip relative to the light guide plate to keep a gap between the light emitting surfaces of the lamp beads and a light incident surface of the light guide plate unchanged during turn-over of the backlight unit.