ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,442, issued on Oct. 14, was assigned to Sharp K.K. (Sakai, Japan).
"Display device" was invented by Tohru Okabe (Sakai, Japan), Shinsuke Saida (Sakai, Japan), Shinji Ichikawa (Sakai, Japan) and Ryosuke Gunji (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of inner protrusions are provided in a non-display area so as to surround a through hole. Each of the plurality of inner protrusions includes: an underlying resin layer; and an underlying inorganic insulation layer provided on the underlying resin layer. Each underlying resin layer is separated by a plurality of inner slits formed on a surface of a resin substrate layer so ...