ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,281, issued on Oct. 21, was assigned to BEIJING BOE TECHNOLOGY DEVELOPMENT Co. LTD. (Beijing).
"Functional material, light-emitting substrate and manufacturing method therefor, and light-emitting apparatus" was invented by Yansong Li (Beijing), Haidong Wu (Beijing), Bei Wang (Beijing) and Xiaobo Du (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A material with a hole injection function and/or a hole transport function includes a host material and a crystallisation inhibitor doped in the host material. The crystallisation inhibitor is capable of inhibiting crystallisation of the host material during evaporation, and the crystallisation inhib...