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. 05, 2019
Filed:
Feb. 22, 2016
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Display Light Co., Ltd., Hefei, CN;
Inventor:
Xiang Liu, Beijing, CN;
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI BOE DISPLAY LIGHT CO., LTD., Hefei, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 11/00 (2006.01); B29C 47/00 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
B29D 11/00663 (2013.01); B29C 47/00 (2013.01); G02B 6/0041 (2013.01); G02B 6/0065 (2013.01); G02B 6/0068 (2013.01); G02B 6/0061 (2013.01);
Abstract
The present application discloses a light guide plate comprising a light incident portion having a light incident surface for receiving light from a plurality of light sources, and a plurality of closed cavities proximal to the light incident surface and within a plurality of dark regions of the light guide plate.