US Patent Issued to Korrus on Sept. 22 for "Monochromatic display" (California Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,993, issued on Sept. 22, was assigned to Korrus Inc. (Anaheim, Calif.).

"Monochromatic display" was invented by Paul Kenneth Pickard (Los Angeles) and Benjamin Harrison (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display comprising (a) a front lit or back lit display; (b) a light source for lighting the display, the light source comprising a violet emitter for emitting violet light having a peak wavelength of 400 to 430 nm and phosphor emitter excited by the violet light and emitting yellow-green light having a peak wavelength of 530 to 620 nm; (c) wherein a combination of the violet light and the yellow green light produces white...