ALEXANDRIA, Va., July 16 -- United States Patent no. 12,672,215, issued on June 30, was assigned to POWERVIEW DISPLAY Corp. (Hsinchu County, Taiwan).
"Color calibration circuit and method applied to backlight source in liquid crystal display module" was invented by Cheng-Pang Chien (Hsinchu County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A color calibration circuit and a calibration method for a backlight source of a liquid crystal display module are provided. The backlight source is an RGB backlight source. When the calibration method is performed, the controller receives three color light intensity signals from a light sensor, and three updated driving currents are calculated. Then, the contr...