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Glow In The Dark filaments

Discussion in 'Off Topic' started by tkoco, Aug 8, 2019.

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Which color LED makes green "glow in the dark" filament glow brighter?

  1. Green LED

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  2. Blue LED

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  1. tkoco

    tkoco Administrator
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    If you have a model printed with green GITD filament....
     
  2. Geof

    Geof Volunteer Moderator
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    Never tried leds behind glowfill. I’d assume you’d want as close to green as you can get, blue and green mixed doesn’t make green I’d think :)
     
  3. tkoco

    tkoco Administrator
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    Thank you for the reply. The answer has to do with quantum physics. The blue LED imparts more energy to excite the "glow in the dark" filament. I found that a UV LED will make the filament glow the brightest.
     
    Geof and mark tomlinson like this.

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