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. 27, 2015
Filed:
May. 16, 2013
Applicant:
Enplas Corporation, Saitama, JP;
Inventors:
Noriyuki Kawahara, Saitama, JP;
Akinobu Seki, Saitama, JP;
Assignee:
Enplas Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 17/06 (2006.01); F21V 5/04 (2006.01); G02B 19/00 (2006.01); G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
F21V 5/04 (2013.01); G02B 19/0066 (2013.01); G02B 19/0071 (2013.01); G02B 7/022 (2013.01); G02B 19/0014 (2013.01);
Abstract
Light flux controlling member () includes: light controlling emission surface () for controlling the distribution of light emitted from light emitting element (); back surface () that is positioned on a side opposite light controlling emission surface (); boss () that is formed on back surface () side; and annular concave part () that is formed in the vicinity of a base end of boss (). Annular concave part () has inside surface () that is smoothly connected to an outer peripheral surface of the base end of boss () and that has an arc-shaped cross-section in an axial direction of boss ().