US Patent Issued to Sharp on Sept. 30 for "Light-emitting element and light-emitting device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,433,067, issued on Sept. 30, was assigned to Sharp K.K. (Sakai, Japan).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element according to the present invention includes an anode, a hole transport layer, and a light-emitting layer containing a quantum dot, and a cathode in this order, and the hole transport layer includes an n+-type semiconductor layer, and a p+-type semiconductor layer adjacent to the n+-type semiconductor layer and disposed closer to the light-emitting layer than the n+-type semiconductor layer."

The patent was filed on ...