US Patent Issued to CoeLux on July 28 for "Optical filter and artificial light illumination device for reproducing the light of the sky and the sun using the same" (Italian Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,462, issued on July 28, was assigned to CoeLux S.r.l. (Lomazzo, Italy).

"Optical filter and artificial light illumination device for reproducing the light of the sky and the sun using the same" was invented by Paolo Di Trapani (Cavallasca, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention refers to an optical filter (100) comprising an inlet surface (101) and an outlet surface (102) which are substantially flat and parallel, a plurality of locally planar and mutually locally parallel visible light absorbing sectors (108) extending between the inlet surface (101) and the outlet surface (102) for a sector length (L), and a plu...