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Making and LCD backlit

  1. Mar 5, 2010 #1
    Is there a way to turn a non-backlit LCD into a backlit LCD? My TI-89 graphing calculator is difficult to see in dim lighting. Got any ideas? You would think that by now, TI and HP would have some color/backlit LCDs on the calculators.
     
  2. jcsd
  3. Mar 5, 2010 #2

    berkeman

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    Staff: Mentor

    There's no practical way that I know of. Is there a contrast/viewing angle adjustment for the display in the menus?
     
  4. Mar 6, 2010 #3

    ranger

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    Gold Member

    I know that its possible to make a TI86 calc with backlight by using an electroluminescent (EL) panel.
     
  5. Mar 7, 2010 #4

    berkeman

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    Well that's kind of a teaser ranger! We need pictures and links! :smile:
     
  6. Mar 7, 2010 #5

    ranger

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    Last edited by a moderator: Apr 24, 2017
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