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:
Jul. 27, 2021
Filed:
Nov. 29, 2018
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Matthew B. Johnson, Woodbury, MN (US);
Edward J. Kivel, Stillwater, MN (US);
Ryan T. Fabick, Shoreview, MN (US);
Gilles J. Benoit, Minneapolis, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/28 (2006.01); F21V 9/20 (2018.01); F21V 9/30 (2018.01); G02B 5/08 (2006.01); G02B 5/26 (2006.01);
U.S. Cl.
CPC ...
G02B 5/287 (2013.01); F21V 9/20 (2018.02); F21V 9/30 (2018.02); G02B 5/0816 (2013.01); G02B 5/26 (2013.01);
Abstract
Thin multilayer reflectors are described. In particular, thin multilayer reflectors that partially transmit blue light and reflect green and red light are described. The thin multilayer reflectors have a uniform left bandedge across each dimension of the film, wherein the location of the left bandedge varies in a range of no more than 10% of the average left bandedge across that dimension.