ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,865, issued on April 14, was assigned to Rockwell Collins Inc. (Cedar Rapids, Iowa).
"Split NVIS filter design" was invented by Ricky J. Johnson (Shellsburg, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display includes a split night visions imaging system (NVIS) filter, including a first and second interference filter. The first interference filter is disposed between a backlight and a diffuser of the display. The second interference filter is disposed between the diffuser and an LCD stack of the display. A cutoff wavelength of the second interference filter is between cutoff wavelengths of the first interference filter."
The patent was ...