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:
Nov. 21, 2017
Filed:
Jun. 14, 2013
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Assignee:
BOE Technology Group Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); B29D 11/00663 (2013.01); G02B 6/0065 (2013.01); G02B 6/0068 (2013.01); G02B 6/0053 (2013.01);
Abstract
A method of manufacturing a light guiding plate comprises steps of forming a protrusion array composed of a plurality of protrusions () on a surface of a substrate (); and forming reflective layers () on side facets of the protrusions () respectively, in such a way that, the farther away from a side of the substrate () the protrusion () with the reflective layer is, the greater the reflectivity of the reflective layer () is. The light emitted from the light guiding plate made by the method is relatively uniform, and the heating issue is also avoided.