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:
Jul. 07, 2015
Filed:
Aug. 20, 2013
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Keizo Kawakami, Hyogo, JP;
Ken Miura, Osaka, JP;
Suguru Nakao, Hyogo, JP;
Ichiro Okuda, Osaka, JP;
Shuji Yamashita, Nara, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0001 (2013.01); G02B 6/0021 (2013.01); G02B 6/0046 (2013.01); G02B 6/0088 (2013.01);
Abstract
A brightness distribution of light emitted from one specific light source and outputted from the light outputting part of a light-guide part has a characteristic of having a mountain-shaped distribution increasing from a position of the specific light source, then reaching a maximum value, and then decreasing with distance from a specific light source, and a light source adjacent to the specific light source is disposed at a position where a brightness distribution decreases from the maximum value of the brightness distribution.