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:
Jan. 04, 2022
Filed:
Apr. 02, 2021
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Jingjun Du, Beijing, CN;
Fei Liang, Beijing, CN;
Chaoyue Zhao, Beijing, CN;
Lingyu Sun, Beijing, CN;
Xiuyun Chen, Beijing, CN;
Tingxiu Hou, Beijing, CN;
Peng Zhong, Beijing, CN;
Jian Zhao, Beijing, CN;
Yongkang Xiao, Beijing, CN;
Beijing BOE Optoelectronics Technology Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A back light unit and a display device are proposed. The back light unit includes a light guide plate and multiple light emitting diodes, wherein the multiple light emitting diodes are disposed on a light entrance surface of a side end of the light guide plate, the light entrance surface of the light guide plate is disposed with at least one groove, and the at least one groove is disposed between at least part of adjacent light emitting diodes.