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:
Apr. 12, 2016
Filed:
Apr. 04, 2014
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Sun Tak Park, Daejeon, KR;
Ki Uk Kyung, Seoul, KR;
Bong Je Park, Daejeon, KR;
Sung Ryul Yun, Daejeon, KR;
Sae Kwang Nam, Daegu, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 3/08 (2006.01); G02B 3/14 (2006.01);
U.S. Cl.
CPC ...
G02B 3/08 (2013.01); G02B 3/14 (2013.01); G02B 26/004 (2013.01);
Abstract
Disclosed is a variable Fresnel lens, including: an electric active polymer layer of which a form is deformed by an electric field; and a Fresnel lens coupled to an upper portion of the electric active polymer layer, and configured to change a position of a focus according to deformation of the form of the electric active polymer layer.