ENNOSTAR Inc. engages in the research and development, design, manufacturing and sales of EPI wafers and chips of A1GaInP, AlGaAs and InGaN, and light-emitting diode packages and modules. It operates in Taiwan, China, Malaysia, Japan, Hong Kong, South Korea, Singapore, and internationally. The company was formerly known as EPISTAR Corporation. ENNOSTAR Inc. was incorporated in 1996 and is headquartered in Hsinchu City, Taiwan.