US Patent Issued to YUNGU (GU'AN) TECHNOLOGY on Jan. 13 for "Light-emitting device, material screening method and display panel" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,527,149, issued on Jan. 13, was assigned to YUNGU (GU'AN) TECHNOLOGY Co. LTD. (Langfang, China).

"Light-emitting device, material screening method and display panel" was invented by Yu Gao (Hebei, China), Mengyu Liu (Hebei, China), Zhi Huang (Hebei, China), Xiaowen Wang (Hebei, China), Junzhe Liu (Hebei, China) and Jiaxin Sun (Hebei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device, a material screening method and a display panel. The light-emitting device of a first aspect of the present application includes a light-emitting layer including a host material and a guest material. When a carrier is injected into the light-emitt...