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:
Feb. 07, 2012
Filed:
Jun. 30, 2005
Applicants:
Martin Stalder, Oberwil, CH;
Mohammed Ibn-elhaj, Allschwil, CH;
Franco Moia, Frenkendorf, CH;
Inventors:
Assignee:
Rolic AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a new optical component comprising an anisotropic diffuser () with patterned anisotropy; and means () for providing a colorshift observable upon changing viewing angle () and/or changing angle of incident light (). It also relates to methods for making such an optical component and uses of such optical components as security elements with a very high level of security.