UV-C LEDs, which replace conventional UV mercury lamps and have short wavelength characteristics, are a new source of illumination for the space decontamination and surface disinfection markets. This ...

Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

Ultraviolet light-emitting diodes (UV-LEDs) have started replacing ultraviolet lamps. The power of UV-LEDs has greatly improved and the cost has decreased. In this paper, we attempt to understand the ...

The 280 nm ultraviolet light-emitting diode (UV LED) has emerged as a promising water disinfection technology and has been applied from point-of-use devices to municipal-scale systems. Accumulating ...