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.

Date of Patent:
May. 02, 2017

Filed:

Apr. 14, 2014
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventor:

Seiji Sakai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21K 99/00 (2016.01); F21V 8/00 (2006.01); H01L 33/54 (2010.01); G02B 19/00 (2006.01); F21Y 105/00 (2016.01); F21Y 103/10 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
G02B 6/0011 (2013.01); G02B 6/003 (2013.01); G02B 6/0021 (2013.01); G02B 6/0088 (2013.01); G02B 6/0091 (2013.01); G02B 19/0028 (2013.01); G02B 19/0061 (2013.01); H01L 33/54 (2013.01); F21Y 2103/10 (2016.08); F21Y 2105/00 (2013.01); F21Y 2115/10 (2016.08);
Abstract

An envelope of a point light source includes first to fourth surfaces. The first surface protrudes ahead of a light-emitting element and extends to a left side and a right side of the light-emitting element when viewed from the light-emitting element. The second surface is connected to the first surface on the left side and the right side of the light-emitting element and is in contact with the light-emitting element. The third surface is connected to an upper end of the first surface and an upper end of the second surface and forms a first depression that sinks from the first surface toward the second surface. The fourth surface is connected to a lower end of the first surface and a lower end of the second surface and forms a second depression that sinks from the first surface toward the second surface.


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