ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,528, issued on June 10, was assigned to Varjo Technologies Oy (Helsinki).

"Compensating for colour vision deficiency of viewer" was invented by Oiva Arvo Oskari Sahlsten (Helsinki) and Mikko Strandborg (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a backlight unit of a liquid crystal display device, the backlight unit having an array of light-emitting diodes (LEDs) of at least three different colours, wherein the LEDs are arranged as groups of LEDs within the array, each group including at least one LED of each of the at least three different colours; a control circuit that is to be employed to control individual LEDs in the ...