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:
May. 12, 2020
Filed:
Sep. 25, 2015
3m Innovative Properties Company, St. Paul, MN (US);
Encai Hao, Woodbury, MN (US);
Fei Lu, Cupertino, CA (US);
William Blake Kolb, West Lakeland, MN (US);
Brian W. Ostlie, Hudson, WI (US);
Adam D. Haag, Woodbury, MN (US);
Michael Benton Free, St. Paul, MN (US);
William D. Coggio, Hudson, WI (US);
Michael L. Steiner, New Richmond, WI (US);
Soemantri Widagdo, Mendota Heights, MN (US);
Kui Chen-Ho, Woodbury, MN (US);
Lan H. Liu, Rosemount, MN (US);
Robert F. Kamrath, Mahtomedi, MN (US);
Scott M. Tapio, Falcon Heights, MN (US);
John A. Wheatley, Lake Elmo, MN (US);
Charles D. Hoyle, Stillwater, MN (US);
Michael F. Weber, Shoreview, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
Optical constructions are disclosed. A disclosed optical construction includes a reflective polarizer layer, and an optical film that is disposed on the reflective polarizer layer. The optical film has an optical haze that is not less than about 50%. Substantial portions of each two neighboring major surfaces in the optical construction are in physical contact with each other. The optical construction has an axial luminance gain that is not less than about 1.2.