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. 19, 2021
Filed:
Dec. 29, 2015
Applicants:
3m Innovative Properties Company, St. Paul, MN (US);
Nitto Denko Corporation, Osaka, JP;
Inventors:
Matthew B. Johnson, St. Paul, MN (US);
Chikara Abe, Yamagata, JP;
Hiroaki Sawada, Yamagata, JP;
Minoru Miyatake, Osaka, JP;
Assignees:
3M Innovative Properties Company, St. Paul, MN (US);
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3041 (2013.01); G02B 5/3083 (2013.01); G02F 1/133536 (2013.01);
Abstract
An optical stack includes a liquid crystal panel with a color filter array. The liquid crystal panel has a filter side closest to the color filter array and a non-filter side opposite the filter side. An absorbing polarizer is laminated directly to the filter side of the liquid crystal panel, and a reflective polarizer laminated directly to the absorbing polarizer.