Yeolight (翌光) is a leading Chinese OLED lighting company that operates advanced mass‑production lines and offers a full portfolio of OLED lighting solutions. Its technologies include white, red, flexible, multi‑color and transparent OLED illumination, supported by mature preparation processes, inspection systems and a patented R&D team. The company launched a 5 billion‑RMB 2.5‑generation production line in Gu’an, Hebei (2016) and a 20 billion‑RMB 4.5‑generation OLED device project in Huaibei, Anhui (2022‑2023). Yeolight serves automotive, commercial, medical and other applications.