ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,640, issued on Nov. 3, was assigned to Ningbo Lumilan Advanced Materials Co. Ltd. (Ningbo City, China).
"Organic material composition and applications thereof" was invented by Xiangzhi Li (Ningbo City, China), Ye Cai (Ningbo City, China), Ting-Wei Wei (Ningbo City, China) and Zhi-Kuan Chen (Ningbo City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an organic material composition and applications thereof. By the combination of the compounds comprised in the organic material composition, the organic material composition makes the element have a lower driving voltage, a higher current efficiency and a longer servic...