Overview
Epistar Fab S1 in the Southern Taiwan Science Park, Tainan, produces LED epitaxial wafers and chips as Epistar's southern Taiwan manufacturing base. Epistar, founded in 1996, has been part of the Ennostar holding group since 2021. Key facility details include: The facility is situated at Tainan, Taiwan. It focuses on Compound Semiconductor on 150mm wafers.
Technology
About Ennostar
Ennostar Inc. is a Taiwanese compound-semiconductor holding company formed in 2021 from the merger of LED makers Epistar and Lextar (fully consolidated into a single legal entity in October 2025). Epistar handles LED epitaxy and chip production, Lextar handles packaging and modules, and subsidiary Unikorn Semiconductor develops compound-semiconductor foundry services; Ennostar is the world's 5th-largest LED producer by revenue.