US Patent Issued to BOE Technology Group on Feb. 4 for "QLED devices, hole transport materials and producing methods thereof, and display devices" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,219,787, issued on Feb. 4, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"QLED devices, hole transport materials and producing methods thereof, and display devices" was invented by Jingwen Feng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides QLED devices, hole transport materials and producing methods thereof, and display devices. A hole transport material includes a polymer, wherein the polymer is a single nanoparticle including at least a first metal compound and a second metal compound, the first metal compound and the second metal compound are linked via a covalent bond or a Van der Waals force, and v...