Invention Grant
- Patent Title: Variable Fresnel lens
- Patent Title (中): 可变菲涅尔透镜
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Application No.: US14245245Application Date: 2014-04-04
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Publication No.: US09310532B2Publication Date: 2016-04-12
- Inventor: Sun Tak Park , Ki Uk Kyung , Bong Je Park , Sung Ryul Yun , Sae Kwang Nam
- Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Applicant Address: KR Daejeon
- Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Current Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Current Assignee Address: KR Daejeon
- Agency: Rabin & Berdo, P.C.
- Priority: KR10-2013-0129363 20131029
- Main IPC: G02B26/00
- IPC: G02B26/00 ; G02B3/08 ; G02B3/14
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.
Public/Granted literature
- US20150116815A1 VARIABLE FRESNEL LENS Public/Granted day:2015-04-30
Information query
