US Patent Issued to Distance Technologies on Aug. 4 for "Display device with backlight unit having switchable multi-coloured lightsources" (Finnish Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,378, issued on Aug. 4, was assigned to Distance Technologies Oy (Helsinki).

"Display device with backlight unit having switchable multi-coloured lightsources" was invented by Urho Konttori (Helsinki) and Mikko Strandborg (Hangonkyla, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a backlight unit that is controllable to switch between lights of different colours, and an active panel including a liquid crystal (LC) layer, a linear polarizer, and a drive circuit. Sub-images of an image are displayed by employing temporal multiplexing. Different sets of drive signals are generated for respective sub-images, based on a p...