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:
Sep. 24, 2019
Filed:
Apr. 26, 2017
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Optoelectronics Technology Co., Ltd., Hefei, CN;
Inventors:
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, Anhui, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); F21V 8/00 (2006.01); G06F 3/046 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0081 (2013.01); G02B 6/0055 (2013.01); G06F 3/046 (2013.01); G02B 6/0043 (2013.01);
Abstract
There are provided a backlight module, a display apparatus and an electronic drawing board. The backlight module includes a light guide plate, a printed circuit board located on a side of the light guide plate facing away from a light exit side thereof and having a wiring protrusion protruding from a surface of the printed circuit board. A shim is disposed between the light guide plate and the printed circuit board and configured to partially compensate a step difference formed due to the wiring protrusion.