ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,540, issued on Nov. 3, was assigned to Kunshan New Flat Panel Display Technology Center Co. Ltd. (Kunshan, China).
"Organic electroluminescent device and display apparatus" was invented by Guomeng Li (Kunshan, China), Zhaoyang Xi (Kunshan, China), Xiaoyu Gao (Kunshan, China), Lei Sun (Kunshan, China), Chao Xu (Kunshan, China) and Mengzhen Li (Kunshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescent device and a display apparatus. The organic electroluminescent device includes a first electrode, a second electrode and at least two organic electroluminescent units located between the first electrode and the second ele...