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. 26, 2016
Filed:
Jul. 05, 2011
Applicants:
Wei Zhao, Little Rock, AR (US);
Boshan Zhao, Little Rock, AR (US);
Inventors:
Wei Zhao, Little Rock, AR (US);
Boshan Zhao, Little Rock, AR (US);
Assignee:
BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS, Little Rock, AR (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); F41H 5/00 (2006.01); C01B 31/04 (2006.01); B82Y 20/00 (2011.01); F41H 13/00 (2006.01); G02B 5/23 (2006.01); G02F 1/35 (2006.01); G02F 1/355 (2006.01); G02B 1/06 (2006.01);
U.S. Cl.
CPC ...
F41H 5/00 (2013.01); B82Y 20/00 (2013.01); C01B 31/0438 (2013.01); F41H 13/005 (2013.01); G02B 5/23 (2013.01); G02F 1/355 (2013.01); G02F 1/3523 (2013.01); G02F 1/3525 (2013.01); G02B 1/06 (2013.01); G02F 2202/36 (2013.01); G02F 2203/52 (2013.01);
Abstract
The present invention in one aspect relates to a low-cost, nano-graphene based broadband optical limiter with limiting properties superior to current standards, carbon fullerenes (C) solutions and carbon black suspensions. The broadband optical limiter includes a plurality of graphene nano-sheets, and a base material in which the plurality of graphene nano-sheets is distributed. The base material can be liquid or gel matrix.