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Display for 3D printer

Discussion in 'General Electronics Discussion' started by Screen, Dec 2, 2017.

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  1. Screen

    Screen

    1
    0
    Dec 2, 2017
    Hello,
    I'm working on stereolithography 3D printer that will use LCD panel. I won't go into details about how it works (google SLA LCD 3D printer). The important point is, that I need near UV-passing LCD. I'm talking about 460nm wavelength. I'll remove the backlight and install my own high power UV LEDs. Another requirement (although less important) is low viewing angle. The display should be as small as possible (ideally less than 10") and have resolution 1920x1080 or higher. In the worst case, the resolution could only be HD, but this directly affects the resolution of the printer, so the higher, the better. Price shall be lower than 400 USD.

    I'm a complete beginner when it comes to displays. I don't know if it's better to buy the panel and controller separately or together as a kit. I've found out, that LVDS interface is easiest to work with, as there are many controller boards and even more displays supporting it. But kits are dumb-proof and I don't want to debug one component for months. I've composed a short list of potential displays, but I have no idea about their UV-passing property. Do you know better screens and controllers? Could you help me to select the correct one? I appreciate any help.

    LIST:
    Kit 1: https://www.aliexpress.com/item/10-...DLP-projector-LCD-and-driver/32796452369.html
    Kit 2: https://www.aliexpress.com/item/256...t-Glass-Virtual-Reality-HDMI/32794379549.html
    Display 1: http://www.panelook.com/LTL106HL01-001_Samsung_10.6_LCM_overview_20690.html
    Display 2: http://www.panelook.com/TX18D200VM0EAA_KOE_7.0_LCM_overview_19990.html
    LVDS Controller 1: http://www.lcdparts.net/MS531LC.aspx
    LVDS Controller 2: https://www.ebay.com/itm/HDMI-DVI-V...624120?hash=item19df01deb8:g:1~sAAOxyrUZRymfp

    PS: I apologize for any grammar mistakes. I'm not a native speaker.

    Cheers,
    Adam
     
  2. WHONOES

    WHONOES

    1,124
    311
    May 20, 2017
    Why do you want to use UV Led's. I assume you realise that constantly gazing into UV of any source will permanently damage you eyesight and is not to be trifled with!!!!!!!!!!!!!!!!!!!!!!!!
     
  3. Alec_t

    Alec_t

    2,950
    803
    Jul 7, 2015
    Is an LCD capable of blocking the fairly high levels of UV which you'll possibly need for 3D printing?
     
  4. WHONOES

    WHONOES

    1,124
    311
    May 20, 2017
    I wouldn't trust it.
     
  5. kellys_eye

    kellys_eye

    4,275
    1,147
    Jun 25, 2010
    The depth of glass between the LCD pixels and the front 'exit plane' will diffuse the UV and you will never get sharp enough resolution to make a 3D print from.

    A possible solution would be a freznel lens made to match the LCD pixel density - good luck with sourcing that though......
     
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