US Patent Issued to Sharp on May 27 for "Light-emitting element, light-emitting device, and manufacturing method of light-emitting element for improving electron transport efficiency" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,669, issued on May 27, was assigned to Sharp K.K. (Sakai, Japan).

"Light-emitting element, light-emitting device, and manufacturing method of light-emitting element for improving electron transport efficiency" was invented by Tadashi Kobashi (Sakai, Japan) and Masaki Yamamoto (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element includes, in sequence, an anode, a hole transport layer, a luminous layer containing a plurality of quantum dots, an electron transport layer, and a cathode. The electron transport layer includes a plurality of inorganic nanoparticles having electron transportability, and an organic layer havi...