ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,875, issued on April 7, was assigned to Sharp K.K. (Sakai City, Japan).
"Display device" was invented by Hirohide Mimura (Sakai City, Japan), Shogo Murashige (Sakai City, Japan) and Yujiro Takeda (Sakai City, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A TFT layer is provided that includes a stack of, in sequence, display wires, a protective film, a first flattening film, a metal wire layer and a second flattening film; further, a frame region has a first trench and a second trench respectively provided in the first flattening film and the second flattening film and overlapping the display wires; further, a second electrode is provided to c...