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Question about Auto-Darkening Helmets

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  • Question about Auto-Darkening Helmets

    Hi there. sorry its not really a welding question. But so I've had an autodarkening helmet for a few years now, and its still fine, not looking to replace it (the headband is at just that right spot where it fits comfortable.)

    I'm actually working on an electronics project for someone, and its still in the conception phase.

    But can you get, and autodarkening helmet that is clear transparent? What I mean is the helmet I have, Normally its a light green color. The helmet I'm looking to get that's straight clear I'm going to be ripping the actual view port and electronics out of it and mounting it behind a transparent display.

    You usually can't see the dispaly in the daytime because of light coming from behind. My plan is I want to put the display on the autodarkener, And make it so that on a button press, behind the display will go dark for a second for the user to see the text well, then when they let off the button it'll go back transparent.

    All I'm able to find in the local welding shop though are ADHelmets with either green or purple glass in them. DO clear ones exist?

    Sorry for the long post and any confusion that it may cause. But with how it looks if I can get this 1 part of the project working for the guy, it opens up a couple thousand dollars more work to do for him.
    Thanks for any help you can give.

  • #2
    You want an LCD shutter (sometimes called a light valve).

    http://www.liquidcrystaltechnologies...CDShutters.htm

    http://electronics.stackexchange.com...1khz-lcd-plate

    Maybe you can get a free sample:

    http://www.liquidcrystaltechnologies.com/freeLCD.htm
    Last edited by USMCPOP; 05-13-2013, 11:25 AM.

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    • #3
      Harbor Freight has cheap (in price and quality) auto helmets with clear lenses. That may steer you in the right direction, especially if your gonna gut the thing any way. I think they got for about 50-70 bucks.

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      • #4
        Originally posted by USMCPOP View Post


        Thank you, very very much, that's almost exactly what I was looking for.
        They'll even offer a 4x1 shutter in the sample (little long, but more then enough for the little display)

        Cheers man. Thanks to mugs too, though I think I'm gonna dry for the LCD shutter first since it seems like a much better option.

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        • #5
          Samsung is working on an LCD display that is touch screen, color, has some means of backlighting and can be transparent, too! Wow.

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