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:
Oct. 11, 2016
Filed:
Oct. 14, 2011
Applicants:
William D. Coggio, Westford, MA (US);
Michael L. Steiner, New Richmond, WI (US);
Tao Liu, Woodbury, MN (US);
Lan H. Liu, Rosemount, MN (US);
Inventors:
William D. Coggio, Westford, MA (US);
Michael L. Steiner, New Richmond, WI (US);
Tao Liu, Woodbury, MN (US);
Lan H. Liu, Rosemount, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 1/11 (2015.01);
U.S. Cl.
CPC ...
G02B 5/0242 (2013.01); G02B 1/11 (2013.01); G02B 2207/107 (2013.01);
Abstract
An optical diffuser layer includes a binder, a plurality of metal oxide particles dispersed in the binder, and a plurality of interconnected voids. A plurality of haze generating particles are dispersed in the binder. The optical diffuser layer has an effective refractive index of 1.3 or less.