Recent content by JacksonXI

  1. J

    Phosphor conversion of photons in LEDs & photon recycling efficiency

    normally the phosphorus layer absorbs specific wavelength and then re-emit the light. if the LED chip is poorly design, leakage may occur
  2. J

    ceiling down lights, 97 CRI ?

    unfortunately you can select CRI or high brightness. The 95-97 CRI means the maximum lumen output will be suppressed
  3. J

    LED lumens vs metal halide lumens?

    I just remodify my garage and need the 400 watt metal halide LED replacement kit. I always heard that metal halide has lower lumen because of its lower lighting efficiency. After the google search, I eventually have these two alternatives...
  4. J

    Vitamin D Lights?

    Definitely the vitamin D lights do not emit vitamin D molecules and then pass through the skin. Instead, the principle is using the trace amount of UV radiation of stimulate the skin to produce vitamin, just like what the natural sunlight does. However, it should be noticed that intensity and...
  5. J

    Red Light Therapy

    What therapy are you going to have? LED can emit very strong monochromatic light having the precise value (as it has 16 million colors)
  6. J

    New 720Watt LED spot Flood lights, any idea

    Re: New 1000Watt LED spot Flood lights, any idea I am also looking for the high power LED lights for sports field. How to calculate the power required for the LED flood lights? When I search in the internet, there are many articles talking about flood lights. The major advantage is energy...
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