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. 21, 2017
Filed:
Jan. 24, 2013
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Andrew J. Ouderkirk, Saint Paul, MN (US);
Kelly R Ingham, Singapore, SG;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 8/00 (2006.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
G02B 6/0023 (2013.01); G02B 6/003 (2013.01); G02B 6/0028 (2013.01); G02B 6/0073 (2013.01); F21Y 2115/10 (2016.08); G02B 6/0036 (2013.01); G02B 6/0048 (2013.01); G02B 6/0065 (2013.01); G02B 6/0068 (2013.01);
Abstract
An optical system includes a light source emitting light, a collimating structure to substantially collimate the light, and a converter unit to receive the substantially collimated light having an area illuminating a first aspect ratio and outputting light having an area illuminating a second aspect ratio, the second aspect ratio greater than the first aspect ratio by at least a factor of four, and a backlight light guide to receive the light from the converter unit.