ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,612, issued on Jan. 20, was assigned to Sharp K.K. (Sakai, Japan).

"Display device with overlapping contact holes exposing edge of an insulator and method for manufacturing same" was invented by Satoshi Inoue (Sakai, Japan), Hirohiko Nishiki (Sakai, Japan) and Teruyuki Nakanishi (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes: a base substrate; a thin-film transistor layer provided on the base substrate and having a stack of, in sequence, a lower wire, a flattening film composed of an organic insulating film, an interlayer insulating film composed of an inorganic insulating film, and an upper wire; and a light-...