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. 19, 2016
Filed:
Feb. 09, 2011
Martin B. Wolk, Woodbury, MN (US);
Michael J. Sykora, New Richmond, WI (US);
Robert L. Brott, Woodbury, MN (US);
William J. Bryan, Mahtomedi, MN (US);
Erik A. Aho, North Saint Paul, MN (US);
Martin Kristoffersen, Porsgrunn, NO;
Michael A. Meis, Stillwater, MN (US);
Kevin R. Schaffer, Woodbury, MN (US);
Audrey A. Sherman, St. Paul, MN (US);
John C. Schultz, Afton, MN (US);
Mieczyslaw H. Mazurek, Roseville, MN (US);
Martin B. Wolk, Woodbury, MN (US);
Michael J. Sykora, New Richmond, WI (US);
Robert L. Brott, Woodbury, MN (US);
William J. Bryan, Mahtomedi, MN (US);
Erik A. Aho, North Saint Paul, MN (US);
Martin Kristoffersen, Porsgrunn, NO;
Michael A. Meis, Stillwater, MN (US);
Kevin R. Schaffer, Woodbury, MN (US);
Audrey A. Sherman, St. Paul, MN (US);
John C. Schultz, Afton, MN (US);
Mieczyslaw H. Mazurek, Roseville, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
An illumination device, such as a backlight for electronic display devices, is disclosed. The illumination device includes a lightguide optically coupled to a light source, and a viscoelastic layer and a nanovoided polymeric layer are used in conjunction with the lightguide to manage light emitted by the light source. The viscoelastic layer may be a pressure sensitive adhesive.