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:
Feb. 25, 2014
Filed:
May. 25, 2010
Joseph T. Aronson, Menomonie, WI (US);
Slah Jendoubi, Fridley, MN (US);
Mitchell A. F. Johnson, Maplewood, MN (US);
Scott R. Kaytor, Woodbury, MN (US);
Tri D. Pham, Oakdale, MN (US);
Robert A. Yapel, Oakdale, MN (US);
Joseph A. Zigal, Lago Vista, TX (US);
Steven J. Mcman, Stillwater, MN (US);
Steven D. Solomonson, Shoreview, MN (US);
Steven H. Kong, Woodbury, MN (US);
Fei LU, Woodbury, MN (US);
Gary T. Boyd, Woodbury, MN (US);
Joseph T. Aronson, Menomonie, WI (US);
Slah Jendoubi, Fridley, MN (US);
Mitchell A. F. Johnson, Maplewood, MN (US);
Scott R. Kaytor, Woodbury, MN (US);
Tri D. Pham, Oakdale, MN (US);
Robert A. Yapel, Oakdale, MN (US);
Joseph A. Zigal, Lago Vista, TX (US);
Steven J. McMan, Stillwater, MN (US);
Steven D. Solomonson, Shoreview, MN (US);
Steven H. Kong, Woodbury, MN (US);
Fei Lu, Woodbury, MN (US);
Gary T. Boyd, Woodbury, MN (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
A light redirecting film () includes a first major surface () that includes first microstructures () that extend along a first direction and a second major surface (), which may form part of a matte layer, the second major surface being opposite to the first major surface and including second microstructures (). The second major surface has an optical haze that is not greater than about 3% and an optical clarity that is not greater than about 85%. The light redirecting film has an average effective transmission that is not less than about 1.75. The light redirecting film () may comprise particles. The second microstructures may have a slope distribution.