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:
Jan. 30, 2018
Filed:
Apr. 25, 2014
Applicant:
Konica Minolta, Inc., Chiyoda-ku, JP;
Inventor:
Takumi Michibata, Toyokawa, JP;
Assignee:
KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 21/00 (2006.01); G03G 15/00 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5016 (2013.01); G02B 6/0051 (2013.01); G02B 6/0088 (2013.01);
Abstract
A light emitting device includes a light source, a light guide plate, a diffusion sheet, and a lens. The light source is configured to perform partial light emission. The light guide plate is configured to guide light from the light source. The diffusion sheet is stacked over the light guide plate with a gap defined between the light guide plate and the diffusion sheet, and is configured to diffuse the light guided by the light guide plate. The lens is stacked on the diffusion sheet and has an upper surface serving as a light emitting surface.