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:
Feb. 02, 2021
Filed:
Jun. 20, 2017
Shanghai Tianma Micro-electronics Co., Ltd., Shanghai, CN;
Tianma Micro-electronics Co., Ltd., Shenzhen, CN;
Yaoyang Liu, Shanghai, CN;
Lei Niu, Shanghai, CN;
Jialing Li, Shanghai, CN;
Yuan Ding, Shanghai, CN;
Jun Ma, Xiamen, CN;
SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., Shanghai, CN;
TIANMA MICRO-ELECTRONICS CO., LTD., Shenzhen, CN;
Abstract
A backlight module and a display device include a light guide plate and a point light source. The light guide plate includes a first part and a second part. The first part includes a first light incidence surface and a first light-emitting surface intersecting with the first light incidence surface. The second part includes a second light incidence surface and a second light-emitting surface intersecting with the second light incidence surface. The first light incidence surface intersects with the second light-emitting surface, the first light-emitting surface and the second light incidence surface are arranged oppositely, and both the first light-emitting surface and the second light-emitting surface include grating structures.