ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,232,227, issued on Feb. 18, was assigned to Lumileds LLC (San Jose, Calif.).

"High speed image refresh system" was invented by Ronald Johannes Bonne (Plainfield, Ill.) and Udo Karbowski (Aachen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A LED controller for an LED pixel array includes an image frame buffer to receive image data and a standby image buffer connected to the image frame buffer to hold a standby image. A command control module connected is configured to substitute the standby image in the standby image buffer for the image in the image frame buffer when image data is unavailable."

The patent was filed on June 8, 2023, under App...