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. 29, 2020
Filed:
Feb. 27, 2018
Applicant:
Omron Corporation, Kyoto, JP;
Inventors:
Shinji Miyazaki, Saitama, JP;
Masakazu Komano, Nara, JP;
Kazuhide Hirota, Shiga, JP;
Koichi Takemura, Saitama, JP;
Kazunori Harada, Saitama, JP;
Assignee:
Omron Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G02F 1/13357 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133603 (2013.01); G02F 1/133512 (2013.01); G02F 1/133606 (2013.01); G02F 1/133608 (2013.01);
Abstract
A frame includes a resin frame which surrounds at least a part of the side faces of a light guide plate; a reflection diffusion material which is added in the resin frame and reflects and diffuses light; and an absorption material which is added in the resin frame and absorbs light. The reflectance of the resin frame is equal to or greater than 30% and equal to or smaller than 80%.