MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202618062876 A) filed by Semiconductor Energy Laboratory Co. , Ltd. on May 18, 2026, for Light-Emitting Element.

Inventors include Seo, Satoshi; Shitagaki, Satoko; Ohsawa, Nobuharu; Inoue, Hideko; and Suzuki, Kunihiko.

The application for the patent was published on June 12, 2026, under issue no. 24/2026.

Abstract: A light-emitting element having high external quantum efficiency is provided. A light-emitting element having low drive voltage is provided. Provided is a light- emitting element which includes a light-emitting layer containing a phosphorescent compound, a first organic compound, and a second organic compound 10 between a pair of electrod...