ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,891, issued on April 15, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Display apparatus and driving method thereof" was invented by Jaesik Hwang (Gunpo-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a display apparatus and a diving method thereof that can prevent a dark spot caused by a leakage of a reset voltage to the anode electrode of a light emitting diode. In the display apparatus, a first (anode) electrode of a light emitting diode EL, one electrode (a source or drain electrode) of an emission transistor T4, and one electrode (a source or drain electrode) of a reset transistor T6 ...