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:
Mar. 20, 2018
Filed:
Apr. 17, 2015
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Matthew B. Johnson, Woodbury, MN (US);
Ryan T. Fabick, Shoreview, MN (US);
Assignee:
3M INNOVATION PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B05D 1/30 (2006.01); G02B 1/04 (2006.01); G02B 1/12 (2006.01); G02B 5/02 (2006.01); B05D 3/06 (2006.01); B05D 1/40 (2006.01);
U.S. Cl.
CPC ...
B05D 1/30 (2013.01); G02B 1/04 (2013.01); G02B 5/0215 (2013.01); G02B 5/3041 (2013.01); G02B 5/3083 (2013.01); B05D 1/40 (2013.01); B05D 3/067 (2013.01);
Abstract
An optical film including a thermoplastic birefringent multilayer optical film and a UV-cured layer disposed adjacent an outer layer of the multilayer optical film is described. The outer layer has a thickness in a range of about 0.5 micrometers to about 1.0 micrometers and the UV-cured layer includes a structured surface opposite the outer layer. The UV-cured layer has a Tg less than about 30° C. and has a pencil hardness in a range of 2B to 2H.