ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,795, issued on March 17, was assigned to Sharp K.K. (Sakai City, Japan).
"Display device and method for manufacturing same" was invented by Bai Zhang (Sakai City, Japan) and Koji Yasukawa (Sakai City, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a hole injection layer common to a plurality of light-emitting elements between a light-emitting layer and an anode electrode under the light-emitting layer in the light-emitting element of each pixel. The hole injection layer includes a hole injection section configured to transport positive holes to the light-emitting layer, and a neighboring pixel hole blocking section f...