ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,479, issued on July 1, was assigned to Sharp K.K. (Sakai, Japan).

"Method of manufacturing display device" was invented by Hirohisa Yamada (Sakai, Japan), Keisuke Kitano (Sakai, Japan) and Yusuke Sakakibara (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a display device includes: the measurement step of sweeping a voltage to light-emitting elements and measuring a current value that flows in the light-emitting elements in response to a voltage value applied; the computation step of computing a first derivative value of the current value with respect to the voltage value, the first derivative value representing ...