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:
Sep. 02, 2025
Filed:
Jun. 12, 2019
Applicant:
Fieldpoint (Cyprus) Limited, Nicosia, CY;
Inventor:
Djuro Koruga, Belgrade, RS;
Assignee:
Fieldpoint (Cyprus) Limited, Nicosia, CY;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/00 (2006.01); G02B 5/20 (2006.01); G11C 13/02 (2006.01); B82Y 20/00 (2011.01);
U.S. Cl.
CPC ...
G02B 1/005 (2013.01); G02B 5/20 (2013.01); G11C 13/025 (2013.01); B82Y 20/00 (2013.01); G02B 2207/101 (2013.01);
Abstract
An optical filter may comprise a layer structure comprising a plurality of layers stacked in a thickness direction of the layer structure and including: a plurality of nano-photonic layers formed of a nano-photonic material with icosahedral or dodecahedral symmetry and at least one substrate layer formed of an optically transparent material, wherein one of the at least one substrate layer is positioned between two of the plurality nano-photonic layers in the thickness direction of the layer structure.