US Patent Issued to Sharp on April 29 for "Light-emitting element and display device" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,944, issued on April 29, was assigned to Sharp K.K. (Sakai, Japan).

"Light-emitting element and display device" was invented by Daisuke Honda (Sakai, Japan) and Yoshihiro Ueta (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element includes: an electron transport layer; a hole transport layer; and a light-emitting layer between the electron transport layer and the hole transport layer, the light-emitting layer including: quantum dots; and ligands coordinated to the quantum dots, wherein the ligands in the light-emitting layer have a lower concentration on an electron transport layer side of the light-emitting layer than ...