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Can anyone recommend a DLP 4K chip for resin print curing?

Simon Hilton
Prodigy 40 points

Hi Im looking for a recommendations on a true 4k DLP chip for single wavelength (UV/NearUV 405nm) for the use on a resin curing printer Im working on. Its a personal project so i wont be looking to mass produce.

But i would like some recommendations on 4kDLP chips, ideally 8bit+ greyscale, an evaluation controller board would be useful as well.

And of course affordable.... As this is not a full entertainment projector project. I dont need super high mirror response times for RGB filtering. Just fast enough to give me 8 to 12 bit greyscale for a single wavelength. 

This is also assuming that UV wavelengths dont damage the DLP chip.

So any recommendations?

  • 0
    TI__Mastermind 28005 points

    Simon,

    Welcome to the E2E forums and thanks for your interest in our DLP technology.

    I'll verify what we have available and post back here within a few days. Thanks in advance for your patience.

    Regards,

    Philippe Dollo

  • 0 in reply to Simon Hilton
    TI__Expert 6370 points

    Hi Simon,

    Philippe let me know about your question - I focus on 3D printing applications with DLP technology.

    To view our current offerings which are specified to operate at or below 405nm, see this page.

    You can also check out this article, which talks about the benefits of DLP Pico technology in 3D printing. While there are no offerings currently at 4K resolution, it is worth noting that 1) because the DMD is imaged directly on the resin, the resolution performance of DLP technology is better than some competing resin-based 3D printing technologies and 2) we are working on some exciting updates in this space that may be very interesting to you, so watch for more information throughout the next year.

    Thanks,
    Trevor

  • 0 in reply to Trevor Dowd
    Prodigy 40 points

    ill take a read of those articals, but I would make a suggestion that NanoDLP shouldnt be an issue for the use for printing tech. If a DLP chip that was 5 inches in across could do 4k heck even 10 inches across do 4k, that would still be fine as the target area for printers like that are in the 10 inch build area+  ... 

    Just me pennies worth... having a sub 1inch DLP chip is great for home cinema where you want the projector to be as small as possible. But in this application miniaturisation shouldn't be the main goal. 

  • 0 in reply to Simon Hilton
    TI__Expert 6370 points

    Hi Simon,

    You are correct, size is often not a design constraint for the 3D printing market, but as with most semiconductors the size drives the cost of the solution - this is especially true in a MEMS device with millions of moving parts. In the near future, we expect DLP technology not just to be prevalent in high-end, industrial printers, as it is today, but also in consumer, desktop 3D printers priced <$499 with a range of scalable solutions.

    Let me know if you have any questions about our current offerings.

    Thanks,
    Trevor

  • 0 in reply to Trevor Dowd
    Prodigy 40 points

    Oh indeed there is a ratio point where costs go up with size. I completely understand that as well...

    But I am looking forward to seeing whats coming. 

    I must admit i still dont fully understand the mechanics behind the DLP mirrors. Youre right with so many moving parts. but that level of micro mechanics is still a total mystery to me. 

    I could only assume there was some kind of floating pivot, and some how using an electric current to cause a small electromagnit to flip the mirror up or off... but still at micro scale still mind boggles....

    But like i say i really look forward to see whats coming...

    All the best

    Simon

  • 0 in reply to Simon Hilton
    TI__Expert 6370 points

    Thanks, Simon!

    And if you want some helpful visualizations of the technology at the micro scale, this video has some cool animations starting at about 40 seconds.

    Thanks,
    Trevor