ODTech Co., Ltd. operates as semiconductor and sensor technology company in South Korea. The company's products include silicon chips, such as zener diodes, sub-mount, power transistors, fast recovery diodes, photo transistors, and photo diode arrays, as well as semiconductor packaging products; quantum dots; and opto devices, such as emitters, detectors, photo interrupters, and optical sensors. It also offers micro photoelectric, area, photo micro, bubble, position detection, time of flight, bead detection, reflection photo micro, horseshoe, H2O detection, and ultraviolet sensors; and LED dot matrix products, including indoor, semi outdoor, and outdoor products, as well as lighting products, such as living, exterior, and LED lighting for plant growth. Its products are used in office appliance, industrial appliance, automotive, medical equipment, consumer, lighting, and quantum dots applications. ODTech Co., Ltd. was founded in 1999 and is headquartered in Wanju-gun, South Korea.