Do white LED's used in flashlights give off UV?

johnny13oi · Mar 25, 2007

Hey guys, I was wondering if the white LED's used for flashlight illumination give off UV rays? I ask because I keep looking into the flashlights and it appears that my vision is degrading. I have flashlights with those cheap chinese 1W LEDs.

AlexGT · Mar 25, 2007

First of all, Why would you be looking at a led??? IIRC the white leds use a blue tint die to exite the phosphor coating to produce white color, I THINK since leds usually emmit in one wavelenght (Blue in the case of white) it doesn't emmit UV, unless it is a UV led.

HTH
AlexGT

gadget_lover · Mar 25, 2007

Some white LEDs use a UV led to excite a phosphor. I think Cree was doing that a few years ago.

You should not shine any lights into your eyes as a routine.

Daniel

Do white LED's used in flashlights give off UV?

johnny13oi

Enlightened

AlexGT

Flashlight Enthusiast

gadget_lover

Flashaholic

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