ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,383, issued on July 1, was assigned to Sharp K.K. (Sakai, Japan).
"Display device" was invented by Masahiro Mitani (Sakai, Japan) and Kohzoh Nakamura (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a display device including organic EL elements OLED, a p-channel switching transistor T8 is connected at a conductive terminal to a channel region of a p-channel drive transistor T4. When holes are trapped in trap levels within the channel region of the drive transistor T4 while the display device presents a white display image, this configuration enables the holes to be extracted through the switching transistor T8 to an initialization lin...