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:
Oct. 27, 2015
Filed:
Nov. 17, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventor:
Erik A. Aho, North Saint Paul, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 13/02 (2006.01); G09F 13/16 (2006.01); G09F 13/04 (2006.01); G09F 13/14 (2006.01);
U.S. Cl.
CPC ...
G09F 13/02 (2013.01); G09F 13/04 (2013.01); G09F 13/14 (2013.01); G09F 13/16 (2013.01);
Abstract
Self illuminated back and front lit signage for a printed graphic. The signage includes a turning film having a structured surface for redirecting light, a diffuser providing for diffusion, and a printed graphic. The turning film receives light from an ambient light source and directs the light via the structured surface toward a viewer of the graphic in order to passively illuminate the signage.