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Extremely Cheap Kopin Micro Lcd Displays

Discussion in 'Trade / Commercial sales' started by Theocrat, Aug 22, 2012.

  1. Theocrat

    Theocrat Well-Known Member

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    Hey, for all you do-it-yourselfer's, here is a great deal on a high quality little micro display to use for these night vision builds. Kopin is well known for making the high quality micro LCD screens for military and high end micro displays. The only thing I need to find is a plug so you can power and connect it up. But for $5 each or 2 for $8 you might be able to mass produce little viewers and turn a profit. Maybe Ken can chime in and help out. The say there is a spec sheet available on-line if you search on part# KCD-QD01 but the ones I found make you sign up first and I don't want to do that yet.

    Here's the link,
    http://www.goldmine-elec-products.com/prodinfo.asp?number=G19051

    Anyway, just thought I would let y'all know of this deal for people who want to have an option on a ultra cheap night vision build. I will keep you posted if I find anymore information on these.

    Cheers,
    Theo
     
  2. Theocrat

    Theocrat Well-Known Member

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  3. Theocrat

    Theocrat Well-Known Member

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    oh yeah, it would be nice if we can find viewfinders or goggles that you could mount these in, that would be cool!
     
  4. Theocrat

    Theocrat Well-Known Member

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    Last edited: Aug 22, 2012
  5. kenhawker

    kenhawker Honorary Member

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    Mate you would have a bitch of a job finding the video, positive and negative on that ribbon. Then you would need a metcal soldering iron and tip fine enough to solder the wires to the contacts.

    ken
     
    Last edited: Aug 22, 2012
  6. mealiejimmie

    mealiejimmie Engaging Member

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    I would caution anyone from buying one of these Kopin displays.
    To make it work you need a special circuit board like this: http://www.oriscape.com.cn/en/products.asp?sortid=257&id=135
    Also, the resolution is only 320x240, which I don't think is really sharp enough for NV. You need 640x480 for a good quality image.
    You can get Kopin displays with 640x480 resolution, but they're not cheap http://oriscape.en.alibaba.com/product/455448475-50004365/portable_monocular_display_922K.html

    Cheers

    Bruce
     
  7. kenhawker

    kenhawker Honorary Member

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    The cheaper option is to buy a 8mm camcorder and take the EVF from that.
     
  8. Theocrat

    Theocrat Well-Known Member

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    Ken, that datasheet I linked to has the pinout assignments and all the information you need for manufactures to properly build products using their display. I could post it here if anyone needs it, just let me know or better yet, download the datasheet to get all the juicy details.

    And Bruce, are you saying that you would need more than just that datasheet to wire this thing up like that separate circuit board to be able to integrate this into a DIY unit? Or that that board would just make things easier? In other words, is everything for powering and converting the video signal integrated into this unit or do you need that board for one or more of these purposes?
     
  9. mealiejimmie

    mealiejimmie Engaging Member

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    The Kopin display only contains the pixels which produce the image. A lot of external electronic circuitry is needed to convert the incoming video signal into a digital form which can be used to drive the pixels of the display. The data sheet you linked to is the display driver IC, but that display driver itself needs a lot of external circuitry to give it the inputs it needs to drive the display.
    The IC (if you can someone who'll sell it in small quantities) is a very small surface mounted device (6x6mm square with 48 pins!!) which requires specialised soldering equipment. If you want to have a try, here's a link to the spec sheet and wiring diagram for the IC http://www.kopin.com/data/File/A221Spec.pdf
    Here's a link to a Canadian company who are selling a kit using the Kopin display and a circuit board with all the necessary electronics http://tekgear.com/rs170-oem-kit.html
    Remember that this Kopin display and circuit board only have a resolution of 320x240 pixels, which, in my opinion is not good enough to produce a sharp image.
    The only reasonably priced 640x480 pixel display I know of is the Oriscape monocular I linked to in an earlier post.


    Cheers

    Bruce
     
  10. Theocrat

    Theocrat Well-Known Member

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    Ok Bruce, thanks, that's all I needed to know. It's a good thing we have people like you on this board to keep uninformed people like me from wasting time and money. I guess that rules out this display as an option.
     
  11. relic1974

    relic1974 Newbie

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    There is a FPGA chip made for this display. I'd like to work with you guys here to come up with a complete solution. Target device would be a Raspberry Pi on it's DSI Molex header.

    I design production PCB's, am an intermediate level C++/C Sharp coder, and very savvy with CAD and 3D printing. My contribution would be the PCB design and a headset housing/goggles 3D printed for these modules. I'd need help with the schematic and RasPi software/library.

    The driver FPGA chip is part # MCVVQ111AFB and about $10. I've provided spec sheets for all below ... challenging but it would be fun!
     

    Attached Files:

  12. Sky

    Sky Super Moderator Staff Member Mod/Admin

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    Holy thread revival Batman - I think you may have missed the boat. This thread is six years old and of the participants only one has been on since and that was almost a year ago. :facepalm:
     
    Rm29 likes this.
  13. relic1974

    relic1974 Newbie

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    It was worth trying!
     

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