ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,665, issued on Dec. 9, was assigned to Sharp K.K. (Sakai, Japan).

"Display device having carrier blocking section between pixels" was invented by Bai Zhang (Sakai, Japan), Koji Yasukawa (Sakai, Japan), Tokiyoshi Umeda (Sakai, Japan) and Naoki Uetake (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a hole transport layer common to a plurality of light-emitting elements between a light-emitting layer and an anode electrode below thereof in the light-emitting element in each pixel. The hole transport layer includes a hole transport section that transports positive holes to the light-emitting layer, and an adjacent p...