The COVID-19 pandemic has created severe impacts on the global economics. People around the world are getting used to a new lifestyle in response to the crisis as well. In order to prevent infection, UV technology applications are returning to the center of the industry. UVC, with the wavelengths between 200 – 280 nanometers (nm) and can deactivate bacteria and viruses, is gaining unprecedented attention in particular. In the past few months, the effects of UVC light on coronaviruses have been discussed and reported. LED manufactures also hurriedly devoted to UV...