US Patent Issued to Sharp on June 2 for "Light emitting element and display device" (Japanese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,648,347, issued on June 2, was assigned to Sharp K.K. (Sakai City, Japan).

"Light emitting element and display device" was invented by Masanobu Mizusaki (Sakai City, Japan) and Masakazu Shibasaki (Sakai City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element is provided with an interlayer organic layer having electron transport properties. At a HOMO level, an energy level difference between a first hole transport layer and the second hole transport layer is from 0.0 eV to 0.20 eV, and at a LUMO level, an energy level difference between a first electron transport layer and a second electron transport layer, and an energy level ...