Group 1 - Shenzhen Guangfeng Technology Co., Ltd. has obtained a patent for a "Projection Device and Projection Equipment," with the authorization announcement number CN 223272771 U, and the application date is August 2024 [1] - The patent describes a projection device that includes an illumination module, a light waveguide module, a light guiding module, and a light modulator, which aims to reduce the overall size of the projection device by reusing the illumination and imaging light paths [1] Group 2 - Shenzhen Guangfeng Technology Co., Ltd. was established in 2006 and is located in Shenzhen, primarily engaged in the manufacturing of computers, communications, and other electronic devices [2] - The company has a registered capital of 4,592.91145 million RMB and has made investments in 23 enterprises, participated in 444 bidding projects, and holds 2,297 patent information entries [2]