UV LED technology has come closer to our daily life for diminishing bacteria and enhancing hygiene. One way to apply the technology could be integrating UV LEDs with public door handles. Two graduate students of the Chinese University in Hong Kong designed the self-sanitizing door handle and was selected as the top 20 in the James Dyson Award in 2019. Sum Ming Wong and Kin Pong Li, the inventors of the self-sanitizing door handle, were inspired by the SARS outbreak in 2003 when the infection spread out via contact. The door handle was created to prevent conta...