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. 11, 2020
Filed:
Jun. 05, 2018
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Display Lighting Co., Ltd., Anhui, CN;
Inventors:
Bo Wu, Beijing, CN;
Zuchuan Shi, Beijing, CN;
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI BOE DISPLAY LIGHTING CO., LTD., Hefei, Anhui, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/1335 (2006.01); B29D 11/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0031 (2013.01); B29D 11/00663 (2013.01); G02B 6/0016 (2013.01); G02B 6/0028 (2013.01); G02F 1/1336 (2013.01);
Abstract
The present disclosure provides a die core for a light guide plate, a manufacturing method thereof, and the light guide plate. The manufacturing method includes steps of: providing a body, a to-be-processed surface of the body including a dot formation region and a dot-free region; forming dots at the dot formation region, the dots including protrusions and recesses; and forming a coverage layer at least covering the protrusions.