ALEXANDRIA, Va., June 16 -- United States Patent no. 12,310,166, issued on May 20, was assigned to BOE TECHNOLOGY GROUP Co. LTD. (Beijing).
"Light-emitting device, manufacturing method thereof, and display device" was invented by Haiyan Sun (Beijing) and Xiaojin Zhang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a light-emitting device, a manufacturing method thereof, and a display device. The light-emitting device includes an anode, a cathode, a light-emitting layer between the anode and the cathode, and a hole transport layer between the anode and the light-emitting layer. The hole transport layer includes a first compound and a second compound, and an absolute va...