ALEXANDRIA, Va., May 12 -- United States Patent no. 12,628,540, issued on May 12, was assigned to Huawei Technologies Co. Ltd (Shenzhen, China).

"Organic light-emitting display panel and display apparatus" was invented by Ming Zhu (Dongguan, China), Huan Ni (Dongguan, China), Feng Liao (Dongguan, China), Xia Zhang (Dongguan, China) and Shenghe Luo (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application provide an organic light-emitting display panel and a display apparatus. A functional layer disposed on a first substrate in the organic light-emitting display panel includes an emissive layer and an optical filter layer. A pixel define layer is disposed between adjacent...