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Thread: Capacitive options for 8.4" Widescreen?

  1. #1
    Wants to make it harder monkeyracer's Avatar
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    Capacitive options for 8.4" Widescreen?

    I've got a Dynamix 816 with the resistive touchpanel that just went out. I am wondering what options there are for capacitive overlays for this size.

    I've seen the 7" stuff, but what is out there for something this size?

    I have searched, but came up with dead links and out of stock products. Thanks in advance for the help!
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    Maximum Bitrate tft_lcd_org's Avatar
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    What is the length and width of the LCD panel in your monitor?

  3. #3
    Wants to make it harder monkeyracer's Avatar
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    I will have to go back and measure it for sure, but when I first got it, I wrote down 178mm x 108mm "viewable area" ...Which I think is the inside of the bezel. Outside of the bezel is 194mm x 130mm.
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    Wants to make it harder monkeyracer's Avatar
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    I am starting to consider getting the samsung panel in RipplingHurst's thread and getting the 7" capacitive overlay, a cheap 7" bezel, and just re-doing my dash piece. It's just hard when it looks this good:



    I'd much rather just get the 8" capacitive overlay for this. (Or at the very least just get a replacement resistive panel from Dynamix.

    edit:
    Just saw the 8.9" overlay, but it's dimensions are wider by 21mm and taller by 9mm than the screen I have. I think these were made for the ASUS 9" minis... How hard would it be to get a LCD screen from the ASUS (or any other 8.9" miniPC) with the overlay designed for them (using the miniPC bezel to mount in the car)? I guess the hardest part is getting a VGA connector for the LCD...
    They are higher resolution (1024x600) and LED backlit instead of the CCFL of the Dynamix...

    Also, doing the math, the screen I have is actually 8.19" diagonal measurement, and the 8.9 PCT overlay is 9.0", but different aspect ratios. I am curious where they get 8.4" for my screen?
    Last edited by monkeyracer; 04-27-2011 at 07:22 PM.
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    Maximum Bitrate tft_lcd_org's Avatar
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    Do you have enough room to fit a panel that measures 213.4 x 129.5mm?

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    Wants to make it harder monkeyracer's Avatar
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    Quote Originally Posted by tft_lcd_org View Post
    Do you have enough room to fit a panel that measures 213.4 x 129.5mm?
    The current screen housing outside dimensions is 194mm x 130mm, and there is room on the sides for the extra 20mm, so I think so. Do you know of a better solution for this than to get an LCD from a miniPC?




    Looking on ebay I found this:

    http://cgi.ebay.com/NEW-SAMSUNG-LTN0...item2a05b606f7

    Bezels go for about $15 or so shipped, and I can fabricate a frame for the screen to secure to... but the hard thing would be the "40-pin" data connector... I'm using a laptop with a broken screen (which probably uses a 40-pin connector) is there a way to use that?

    Also found this:

    http://cgi.ebay.com/Dell-Mini-910-WS...item2c5bb78d7a

    Which has the entire front and back assembly for me to hack up.

    Although, again, it would be much, much easier to get what I have working with PCT...
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    Maximum Bitrate tft_lcd_org's Avatar
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    Quote Originally Posted by monkeyracer View Post
    The current screen housing outside dimensions is 194mm x 130mm, and there is room on the sides for the extra 20mm, so I think so. Do you know of a better solution for this than to get an LCD from a miniPC?


    Looking on ebay I found this:

    http://cgi.ebay.com/NEW-SAMSUNG-LTN0...item2a05b606f7

    Bezels go for about $15 or so shipped, and I can fabricate a frame for the screen to secure to... but the hard thing would be the "40-pin" data connector... I'm using a laptop with a broken screen (which probably uses a 40-pin connector) is there a way to use that?

    Also found this:

    http://cgi.ebay.com/Dell-Mini-910-WS...item2c5bb78d7a

    Which has the entire front and back assembly for me to hack up.

    Although, again, it would be much, much easier to get what I have working with PCT...

    If you buy the LCD panel (like the one in the first link you posted) you can use this:

    http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=180654166378&ssPageNam e=STRK:MESELX:IT

    and this:
    http://cgi.ebay.com/ws/eBayISAPI.dll...STRK:MESELX:IT

    But, keep in mind the controller is cheap, and I can't get it to accept the native 1024x600 input resolution.

  8. #8
    Wants to make it harder monkeyracer's Avatar
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    Quote Originally Posted by tft_lcd_org View Post
    If you buy the LCD panel (like the one in the first link you posted) you can use this:

    http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=180654166378&ssPageNam e=STRK:MESELX:IT

    and this:
    http://cgi.ebay.com/ws/eBayISAPI.dll...STRK:MESELX:IT

    But, keep in mind the controller is cheap, and I can't get it to accept the native 1024x600 input resolution.
    So, about $50 for the Screen, $90 for the PCT overlay/usb controller, and $50 for the display controller... About $190 for an 8.9" Capacitive screen... Hmm... that's not too bad.
    Would it be likely that I can just use the laptop's existing built in LCD controller/inverter and just get the screen and the touch panel? (if it were a matter of just extending the LCD control cable?)


    What is it about the controller that you can't get the native res working? Is this just a limitation of your graphics processor or the actual controller will just not do the native res? (even if you have the option for it in your graphics processor)
    I'd really perfer to get it in the native res, I don't like stretching pixels.

    The WSVGA pixel ratio is about 16:9 but at either 1024x768 or 800x600 the ratio would be 4:3.

    Is there anything else around this size that is an all-in-one package?
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  9. #9
    Maximum Bitrate tft_lcd_org's Avatar
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    Quote Originally Posted by monkeyracer View Post
    So, about $50 for the Screen, $90 for the PCT overlay/usb controller, and $50 for the display controller... About $190 for an 8.9" Capacitive screen... Hmm... that's not too bad.
    Would it be likely that I can just use the laptop's existing built in LCD controller/inverter and just get the screen and the touch panel? (if it were a matter of just extending the LCD control cable?)
    You could, if you are using the laptop as your car PC.


    Quote Originally Posted by monkeyracer View Post
    What is it about the controller that you can't get the native res working? Is this just a limitation of your graphics processor or the actual controller will just not do the native res? (even if you have the option for it in your graphics processor)
    I'd really perfer to get it in the native res, I don't like stretching pixels.
    Can't say if it is my bench PC or not, but most likely it is due to the cheap controller.


    Quote Originally Posted by monkeyracer View Post
    The WSVGA pixel ratio is about 16:9 but at either 1024x768 or 800x600 the ratio would be 4:3.

    Is there anything else around this size that is an all-in-one package?
    Not sure, but I would bet there is an off the shelf 8.9" display out there ready for the PCT add on.

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    Mod - iPad Forums RipplingHurst's Avatar
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