Y2 Solution Co., Ltd provides TV power supply and LED lighting services in South Korea. The company offers switching mode power supply (SMPS) module for displays used in LED TV, UHD TV, OLED TV, signage TV, etc.; and indoor and outdoor LED lighting. It also provides secondary battery cell testing systems; location-based visible light communication (VLC) systems, which provides guidance and marketing services based on location without using RF communication for shopping malls, electronic attendance-absence recording systems, indoor navigation, and Zigbee commissioning; and bi-direction VLC systems used in smart factory, hospital, RF communication error environment, etc. In addition, the company offers IoT VLC systems to smart farm, smart factory, home IoT, etc.; and high-speed VLC systems used in meeting room security system, data transmission security system, network segregate, etc. Further, it provides imports and sells petrochemical products; and develops drugs for epidermolysis bullosa, dry-amd, duchenne muscular dystrophy, and type 2 diabetes. The company was formerly known as Yuyang D&U Co., Ltd. The company was founded in 1976 and is headquartered in Hwaseong-si, South Korea.