ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,527,157, issued on Jan. 13, was assigned to BOE TECHNOLOGY GROUP Co. LTD. (Beijing).
"Light-emitting device and method of manufacturing the same, light-emitting substrate and method of manufacturing the same, and light-emitting apparatus" was invented by Wenhai Mei (Beijing) and Yichi Zhang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes: a first electrode and a second electrode that are superposed; a light-emitting layer (EML) located between the first electrode and the second electrode; and an electron transport layer (ETL) located between the first electrode and the EML. The ETL includes a first surface proxim...