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. 27, 2016
Filed:
Jun. 11, 2014
Applicant:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Inventors:
Masahiro Goto, Tokyo, JP;
Hiroshi Sekiguchi, Tokyo, JP;
Assignee:
Dai Nippon Printing Co., Ltd., Shinjuku-Ku, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0061 (2013.01); G02B 6/0038 (2013.01); G02B 6/0076 (2013.01);
Abstract
A light guide plate includes an extracting light guide layer having a pair of main surfaces. The extracting light guide layer includes a base portion having a pair of main surfaces, and a plurality of light diffusing portions provided in the base portion. The light guide plate can obscure extracting elements for extracting light.