Group 1 - The core point of the article is that Zhejiang Huaxian Optoelectronics Technology Co., Ltd. has obtained a patent for "N-phenylpyrrole derivatives, organic electroluminescent devices, and display or lighting devices" [1] - The patent was granted with the announcement number CN116120345B, and the application date was November 2021 [1] - Zhejiang Huaxian Optoelectronics was established in 2016 and is located in Jiaxing City, primarily engaged in the manufacturing of computers, communications, and other electronic devices [1] Group 2 - The company has a registered capital of 11.48752 million RMB [1] - According to data analysis, Zhejiang Huaxian has invested in three companies and participated in three bidding projects [1] - The company holds 273 patent information entries and has two trademark information entries, along with four administrative licenses [1]