US Patent Issued to Sharp on Aug. 25 for "Light-emitting element and display device" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,998, issued on Aug. 25, was assigned to Sharp K.K. (Sakai City, Japan).

"Light-emitting element and display device" was invented by Masaya Ueda (Sakai City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element includes a first electrode, a second electrode, and a functional layer provided between the first electrode and the second electrode. Moreover, the light-emitting element includes: a third electrode provided to the functional layer through a first insulating film; a fourth electrode provided to the functional layer through a second insulating film; a stress applying unit made of a piezoelectric material, and applying s...