Big ass fans, a commercial and home environment fan provider in the United States, has launched ceiling fans equipped with UVC LEDs to emit ultraviolet light above the rotating blades to kill the environment. Bi Aifeng has confirmed that UVC LED is provided by crystal is.

Bi Aifeng ceiling fan is equipped with 265 nm crystal is chip. Products can be used indoors, such as homes, classrooms, offices and restaurants. In addition, the ceiling fan also includes a blue indicator LED. When the UVC LED chip is turned on, the blue indicator will light up to remind users that the air is being purified.

Because UVC band light is harmful to skin and eyes, biaifeng said that under the condition of correct operation, the fan with UVC technology is safe for people's eyes. The UVC led points up to the ceiling, not down to the person on the floor. In addition, the blue indicator can be used as a warning to warn the user that the UVC LED has been activated.

The California testing laboratory tested the efficacy of the product against coronavirus in July. In terms of aerosol test, the coronavirus above the fan was reduced by 48% in 5 minutes, and about 86% in 10 minutes. By 20 minutes, the level had risen to 99.99% or higher.

If there is no air flow generated by ceiling fan, UVC LED will only disinfect the air around the lamp. If ceiling fan is used together with UVC fixture, the scope of disinfection can be expanded.

According to the CEO of crystal is, a typical klaran LED has a power of 3.6W at 500 mA, and a killing time of 4-5 seconds requires a dose of 5 mJ / cm2.

The rated life of UVC LED of ceiling fan is about 9000 hours, or it can be used continuously for about 375 days. Fans with UVC LEDs start at $1744, while fans without UVC LEDs start at $1244.

In the face of the new epidemic situation, major enterprises actively develop and launch UVC led disinfection products, and UVC industry has attracted more attention.