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.

Date of Patent:
Sep. 03, 2019

Filed:

Jun. 01, 2018
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;

Inventors:

Yanjun Liu, Beijing, CN;

Liguang Deng, Beijing, CN;

Ming Zhai, Beijing, CN;

Yufei Liu, Beijing, CN;

Jinming Yao, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/1335 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133608 (2013.01); G02B 5/003 (2013.01); G02B 6/0016 (2013.01); G02B 6/0055 (2013.01); G02F 1/133512 (2013.01);
Abstract

This disclosure relates to the field of display technologies, and discloses a backlight source and a display device, and the backlight source includes a back plate, a glue frame installed on the back plate, a light-guiding plate located in an accommodating space surrounded by the glue frame, and an optical film material located on the side of the light-guiding plate away from the back plate, and arranged overlapping with the light-guiding plate, wherein at least one of sides of the light-guiding plate is a light incidence side, and other sides are non-light-incidence sides; and at least one of the non-light-incidence sides, and the glue frame form together a light-eliminating structure configure to eliminate at least a part of light rays exiting from the non-light-incidence side.


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