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:
Mar. 01, 2016
Filed:
Sep. 30, 2011
Applicants:
Gunnar Klinghult, Lund, SE;
Mats Wernersson, Helsingborg, SE;
Inventors:
Gunnar Klinghult, Lund, SE;
Mats Wernersson, Helsingborg, SE;
Assignees:
Sony Corporation, Tokyo, SE;
Sony Mobile Communications AB, Lund, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 5/28 (2006.01);
U.S. Cl.
CPC ...
G02B 26/001 (2013.01); G02B 5/284 (2013.01); G02B 5/287 (2013.01); G02B 5/288 (2013.01); G02B 26/007 (2013.01);
Abstract
The present invention relates to an optical filter arrangement that have a cut wavelength for light passing there through. The optical filter arrangement comprises a stack of a first optical layer and a second optical layer. Further, the optical filter arrangement comprises an electro active polymer material arranged between the first and second layers such that the cut wavelength is adjusted upon application of an electrical voltage to the electro active polymer material.