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EL (Electroluminecencent) displays?

Discussion in 'Electronic Repair' started by Harry Bloomfield, Sep 13, 2003.

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  1. Hi,

    I have a radio scanner in which the back lit EL panel has become very
    dim. I understand that the EL panel can be slid out and removed from
    behind the LCD display, for replacement, but replacements are no longer
    available. I am only assuming it is the EL panel at fault, because it
    is suggested to be a common fault.

    Is there some method by which I could revitalise the brightness of the
    existing panel?

    Are these things made to standard sizes, perhaps one could be found
    which is a near fit which might do?

    Cheers...


    --
    Regards,
    Harry (M1BYT)...

    Remove the 'NOSPAM' in my email address to reply.

    Free Amateur Radio Courses:-
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  2. Ian Stirling

    Ian Stirling Guest

    Perhaps so.

    There isn't really much you can do.

    "EL replacement"
    Gets 1300 hits on google.

    What size is it?
     
  3. | "EL replacement"
    | Gets 1300 hits on google.
    |
    | What size is it?
    |

    I don't yet know the size, it is a planned job on a Pro 2006 scanner.



    --
    Regards,
    Harry (M1BYT)...

    Remove the 'NOSPAM' in my email address to reply.

    Free Amateur Radio Courses:-
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  4. James Sweet

    James Sweet Guest

    There's lots of surplus companies that sell EL panels, you can use scissors
    to cut them to size as long as you don't cut off the power connections,
    they're pretty cool devices.
     
  5. | There's lots of surplus companies that sell EL panels, you can use scissors
    | to cut them to size as long as you don't cut off the power connections,
    | they're pretty cool devices.
    |

    Thanks James,

    You are the second to confirm that they can be cut down to size, which
    makes the task of finding a replacement that much easier. I have not
    yet been able to find a source for any at all yet, apart from LCD
    displays with them built in. Perhaps my best bet might be to find a
    piece of scrap equipment with a panel in which is removable.

    --
    Regards,
    Harry (M1BYT)...

    Remove the 'NOSPAM' in my email address to reply.

    Free Amateur Radio Courses:-
    http://www.ukradioamateur.org
     
  6. | In article <[email protected]>,
    | says...
    | | There's lots of surplus companies that sell EL panels, you can use scissors
    | | to cut them to size as long as you don't cut off the power connections,
    | | they're pretty cool devices.
    | |
    |
    | Thanks James,
    |
    | You are the second to confirm that they can be cut down to size, which
    | makes the task of finding a replacement that much easier. I have not
    | yet been able to find a source for any at all yet, apart from LCD
    | displays with them built in. Perhaps my best bet might be to find a
    | piece of scrap equipment with a panel in which is removable.
    |
    |

    Apparently EL back lights are used by model railway enthusiasts, I have
    found a US supplier of DIY kit. http://www.microstru.com/exp2.html

    --
    Regards,
    Harry (M1BYT)...

    Remove the 'NOSPAM' in my email address to reply.

    Free Amateur Radio Courses:-
    http://www.ukradioamateur.org
     
  7. mike

    mike Guest

    How do you keep moisture from getting in at the cut edge??

    Back when I worked with glass EL,
    it was VERY important to keep the water out.
    mike


    --
    Bunch of stuff For Sale and Wanted at the link below.
    laptops and parts Test Equipment
    4in/400Wout ham linear amp.
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    Tektronix Concept Books, spot welding head...
    http://www.geocities.com/SiliconValley/Monitor/4710/
     
  8. | Back when I worked with glass EL,
    | it was VERY important to keep the water out.
    | mike
    |
    |

    One of the companies which sell DIY kits for model railway hobbyists,
    in their kit seems to use something similar looking to Sellotape to
    seal the cut edges. I don't think Sellotape would help, I believe it
    absorbs moisture. I suspect a good way might be the use of Super-glue
    run along the edge, does anyone have any comments on sealing these cut
    edges?

    --
    Regards,
    Harry (M1BYT)...

    Remove the 'NOSPAM' in my email address to reply.

    Free Amateur Radio Courses:-
    http://www.ukradioamateur.org
     
  9. James Sweet

    James Sweet Guest

  10. Ian Stirling

    Ian Stirling Guest

    "pro 2006" EL
    gets 212 hits, it might be worth chasing some up.

    --
    http://inquisitor.i.am/ | mailto: | Ian Stirling.
    ---------------------------+-------------------------+--------------------------
    If you've been pounding nails with your forehead for years, it may feel strange
    the first time somebody hands you a hammer.
    But that doesn't mean that you should strap the hammer to a headband just to
    give your skull that old familiar jolt. -- Wayne Throop, during the `TCL Wars'
     
  11. Ian Molton

    Ian Molton Guest

    I'd try sliding in a sheet of very thin 'etched' glass and side-lighting it with a bright blue or white LED or two.
     
  12. Andy Cuffe

    Andy Cuffe Guest


    Depending on the size of the display, you could use the EL panel from a
    night light.
     
  13. dave

    dave Guest

  14. | Try Farnell, you can get them in various colours and sizes (they can
    | be cut to any size/shape)Pg 104,Book 2, May 03 catalogue, made by
    | Pacel.
    |
    | or online at:
    |
    | http://uk.farnell.com/jsp/search/se...n=0&ImgDisp=Y&QText=electro+luminescent+sheet

    Thanks very much.... I have searched Farnell several times with
    different search strings but not managed to find them..

    --
    Regards,
    Harry (M1BYT)...

    Remove the 'NOSPAM' in my email address to reply.

    Free Amateur Radio Courses:-
    http://www.ukradioamateur.org
     
  15. dave

    dave Guest

    Try searching on the order code then:

    Size 50x60
    Colour Order Code Price
    Blue/Green 141-896 £7.75
    Yellow/Green 141-926 "
    Blue 141-914 "
    Red 141-940 "

    Size 130x120
    Colour Order Code Price
    Blue/Green 141-963 £18.58
    Yellow/Green 141-987 "
    Blue 141-975 "
    Red 142-001 "

    There are other colours/sizes but I could spend all day typing out the catalogue!

    www.farnell.com/uk/

    Hope this helps!
     
  16. | here are other colours/sizes but I could spend all day typing out the catalogue!
    |
    | www.farnell.com/uk/
    |
    | Hope this helps!
    |
    |

    Thanks, yes I have found them now... I was a matter of typing in the
    correct words into their catalogue search facility..
    --
    Regards,
    Harry (M1BYT)...

    Remove the 'NOSPAM' in my email address to reply.

    Free Amateur Radio Courses:-
    http://www.ukradioamateur.org
     
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