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:
Aug. 22, 2017
Filed:
Mar. 20, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Michael F. Weber, Shoreview, MN (US);
Jonathan T. Kahl, St. Paul, MN (US);
Glenn E. Casner, Woodbury, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); G02B 5/28 (2006.01); G02B 5/20 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
G02B 5/282 (2013.01); G02C 7/104 (2013.01); B32B 27/08 (2013.01); G02B 5/20 (2013.01); G02C 7/10 (2013.01); G02C 7/107 (2013.01); G02C 7/108 (2013.01);
Abstract
An optical film includes a polymeric bandstop filter reflecting a band of blue light in a range from 440 nm to 480 nm a polymeric bandstop filter reflecting a band of blue light in a range from 440 nm to 480 nm and transmitting greater than 50% of blue light at a wavelength of 10 nm longer than a long wavelength band edge and at a wavelength of 10 nm shorter than a short wavelength band edge.