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:
Jan. 01, 2019
Filed:
Feb. 04, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Gilles J. Benoit, Minneapolis, MN (US);
John A. Wheatley, Lake Elmo, MN (US);
James A. Thielen, Hugo, MN (US);
David Scott Thompson, West Lakeland, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/133 (2006.01); F21V 8/00 (2006.01); B82Y 20/00 (2011.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0026 (2013.01); B82Y 20/00 (2013.01); G02B 6/003 (2013.01); G02B 6/0025 (2013.01); G02B 6/0031 (2013.01); G02F 1/133502 (2013.01); G02F 1/133617 (2013.01); G02F 2001/133614 (2013.01); G02F 2202/36 (2013.01); Y10S 977/774 (2013.01);
Abstract
An optical construction includes a quantum dot film element including a plurality of quantum dots, a first optical recycling element, and a first low refractive index element separating the quantum dot film element from the first optical recycling element. The first low refractive index element has a refractive index of 1.3 or less.