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:
Nov. 11, 2014
Filed:
Nov. 23, 2009
Applicant:
Brian A. Kinder, Woodbury, MN (US);
Inventor:
Brian A. Kinder, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0028 (2013.01); G02B 6/0036 (2013.01);
Abstract
A light guide includes a substrate having opposing first and second major surfaces and an input edge coupler disposed along an edge of the substrate. The ratio of a light guide input edge thickness to a light guide thickness is greater than 2:1.