Ultraviolet Ray LED
LG Innotek announced on February 23 that it developed the world’s first UV-C LED that has an ultraviolet output of 70 mW, more than 1.5 times those of Japanese products of the same kind currently available in the market. For reference, such products used for toothbrush sterilization have an ultraviolet output of 1 mW and those for humidifier water tanks have an ultraviolet output of 2 mW.
The product developed by LG Innotek emits such a large amount of UV rays for various purposes, including even the sterilization of flowing water and air as well as water purification.
According to market research firm Yole Development, the size of the global UV LED market is expected to grow from US$130 million to US$270 million between 2015 and this year.
UV-C LEDs can be defined as a group of products emitting 200 to 280 nm UV rays. UV-C LED is also known as deep UV and it performs sterilization by destroying the DNA of a cell. LG Innotek’s 70 mW UV-C LED has a wavelength of 280 nm.