ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,531, issued on March 24, was assigned to SHARP DISPLAY TECHNOLOGY Corp. (Kameyama City, Japan).
"Display device and method for driving same" was invented by Kaoru Yamamoto (Kameyama City, Japan) and Kohhei Tanaka (Kameyama City, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a current drive type display device of a variable refresh rate system such as an organic EL display device, an on-bias voltage line for supplying an on-bias voltage Vobs to be applied to a driving transistor in a pixel circuit is provided in a display portion in order to reduce an influence of a hysteresis characteristic of the driving transistor on display luminance. ...