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:
Jan. 08, 2019

Filed:

Jan. 22, 2016
Applicants:

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

Beijing Boe Chatani Electronics Co., Ltd., Beijing, CN;

Inventors:

Jinze Li, Beijing, CN;

Zhendong Zhou, Beijing, CN;

Dongsheng Yang, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0036 (2013.01); G02B 6/00 (2013.01); G02B 6/002 (2013.01); G02B 6/0055 (2013.01);
Abstract

According the embodiments of the present disclosure, the light guide plate includes a light guide plate body having an upper surface as a light-exiting surface. The light guide plate is provided at a side portion at least one notch, and a light-reflection layer is arranged at a surface of each notch. A wedge-shaped structure is arranged on a lower surface of the light guide plate body and adjacent to a bottom of each notch. The wedge-shaped structure has a first surface attached onto the lower surface of the light guide plate body, a second surface serving as a light-entering surface, and a third surface intersecting the first surface and the second surface and forming an acute angle relative to the first surface. A light-reflection layer is arranged on the third surface. A light source is arranged at a position on the lower surface of the light guide plate body adjacent to the second surface of the wedge-shaped structure.


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