The 2025 Changchun International Optoelectronic Expo and Light Conference began on Tuesday in Changchun, Jilin province, with displays demonstrating cutting-edge optoelectronic information technology and the latest products in the industry.

The Light Conference, jointly held with the expo for the first time, attracted nearly 1,000 academicians and experts from 26 countries and regions, a new high attendance.

The expo covers six optoelectronic industry clusters and 15 industry directions. This year, it is hosting 55 conferences.

A dynamic display area for low-altitude flight and autonomous driving has been added to provide visitors with a unique experience.

The expo has attracted 850 optoelectronic companies from China, the United States, the United Kingdom, Germany, Italy, Japan, and South Korea.