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. 20, 2019
Filed:
May. 18, 2015
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Nicholas A. Johnson, Burnsville, MN (US);
Kenneth A. Epstein, Saint Paul, MN (US);
James M. Hillis, Redmond, WA (US);
Michael E. Lauters, Hudson, WI (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G06F 3/038 (2013.01); G09G 5/00 (2006.01); G09G 3/34 (2006.01); G02F 1/13 (2006.01); G02F 1/1335 (2006.01); F21V 8/00 (2006.01); H04N 13/30 (2018.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G02B 6/0046 (2013.01); G02B 6/0053 (2013.01); G02B 6/0068 (2013.01); G02F 1/1323 (2013.01); G02F 1/133615 (2013.01); G02F 2001/133607 (2013.01); G09G 2320/028 (2013.01); H04N 2013/403 (2018.05);
Abstract
Backlights are disclosed. More particularly, temporally multiplexed backlights utilizing asymmetric turning films are disclosed. The disclosed backlights are capable of displaying a primary image to on-axis viewers while simultaneously providing a secondary image to off-axis viewers.