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. 05, 2021
Filed:
Aug. 16, 2018
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Heling Zhu, Beijing, CN;
Junjie Ma, Beijing, CN;
Yuanda Lu, Beijing, CN;
Bo Han, Beijing, CN;
Liang Gao, Beijing, CN;
Lu Yu, Beijing, CN;
Pengfei Cheng, Beijing, CN;
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A light guide assembly comprises: a first light guide member; and a second light guide member stacked on the first light guide member. The light guide assembly has first and second light incident surfaces located on different sides, and a light emitting surface and a bottom surface which are oppositely disposed in a thickness direction, the first light incident surface and the bottom surface are located on the first light guide member, and the second light incident surface and the light emitting surface are located on the second light guide member, and the bottom surface is provided with first dots having a density increasing in a direction away from the first light incident surface, and the light emitting surface is provided with second dots having a density increasing in a direction away from the second light incident surface.