ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,687, issued on June 23, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing) and BOE Technology Group Co. Ltd. (Beijing).

"Simulation method, simulation device, electronic apparatus, and electronic paper display device" was invented by Xiaorong Cui (Beijing), Yuzhen Guo (Beijing), Haoliang Zheng (Beijing), Li Xiao (Beijing), Chenyang Zhang (Beijing), Minghua Xuan (Beijing), Lipeng Gao (Beijing) and Jiao Zhao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A simulation method is provided, including: obtaining a model parameter information, including a total charge quantity and respective charge volume densities of various cha...