A theoretical model for the dependence of the diode forward voltage (V/sub f/) on junction temperature (T) is developed. A new expression for dV/sub f//dT is derived that takes into account all ...

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 ...

Ultraviolet B (UVB) wavelengths are 280 to 320 nm. Ultraviolet C (UVC) wavelengths are 100 to 280 nm. Only UVA and UVB ultraviolet rays reach the earth's surface. The earth's atmosphere absorbs UVC ...

Find the latest light design news from Fast company. See related business and technology articles, photos, slideshows and ...

Dutch industry trade bodies NOGA and VNLOK have decided to merge in light of a rapidly shifting regulatory landscape.

UVBrite has introduced a new self-cleaning water bottle that uses UV-C light to remove bacteria, viruses, and other germs ...

The all-new fifth-generation Hyundai Santa Fe has now launched in Malaysia for 2025, alongside the facelifted Tucson and ...

These are the best air purifiers for pets, from Levoit Vital 200S and AirDoctor AD3500 to SwitchBot Table Air Purifier.