Cosmo Electronics Corporation manufactures and sells relays, photocouplers, and LEDs in Taiwan, the United States, Asia, and internationally. It operates through three segments: Optoelectronic Parts, LED Lighting, and Energy & Materials. Its products include photo couplers, SSR-MOSFET output devices, reed relays, and solid-state relays, serving power, security, industrial, consumer electronics, and automotive electronics applications. The company was incorporated in 1981 and is headquartered in New Taipei City, Taiwan.