The 9th Optoelectronics Global Conference (OGC 2024) will be held in Shenzhen, China, from 10th September to 13th September, 2024. The event will be held concurrently with the 25th China International Optoelectronic Exposition (CIOE). OGC 2024 is sponsored by IEEE Photonics Society Guangdong Chapter, hosted by Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Jinan University, co-hosted by Nanjing University of Science and Technology.