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:
Dec. 18, 2018
Filed:
May. 17, 2011
Robert A. Yapel, Oakdale, MN (US);
Joseph T. Aronson, Menomonie, WI (US);
Matthew R. C. Atkinson, Cottage Grove, MN (US);
Gary T. Boyd, Woodbury, MN (US);
Slah Jendoubi, Fridley, MN (US);
Mitchell A. F. Johnson, Maplewood, MN (US);
Scott R. Kaytor, Woodbury, MN (US);
Steven H. Kong, Woodbury, MN (US);
Fei LU, Woodbury, MN (US);
Tri D. Pham, Oakdale, MN (US);
Robert B. Secor, Stillwater, MN (US);
Steven D. Solomonson, Shoreview, MN (US);
Robert A. Yapel, Oakdale, MN (US);
Joseph T. Aronson, Menomonie, WI (US);
Matthew R. C. Atkinson, Cottage Grove, MN (US);
Gary T. Boyd, Woodbury, MN (US);
Slah Jendoubi, Fridley, MN (US);
Mitchell A. F. Johnson, Maplewood, MN (US);
Scott R. Kaytor, Woodbury, MN (US);
Steven H. Kong, Woodbury, MN (US);
Fei Lu, Woodbury, MN (US);
Tri D. Pham, Oakdale, MN (US);
Robert B. Secor, Stillwater, MN (US);
Steven D. Solomonson, Shoreview, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
An optical film having a structured surface is described. At least 90% of the structured surface has a slope magnitude that is less than about 5 degrees. The optical film may have an optical haze of less than about 10% and an optical clarity of less than about 50%, or may have an optical haze of less than about 7.5% and an optical clarity of less than about 60%, or may have an optical haze of less than about 3% and an optical clarity of less than about 65%.