Re: TI-H: EL Viewable - was: calc fixes... SOLUTION??? (:

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Re: TI-H: EL Viewable - was: calc fixes... SOLUTION??? (:



On Fri, 12 Jun 1998 11:30:12 EDT KrazyJolt@aol.com writes:
>
>the strange thing is that I had it working right after I stuck the EL 
>in..  After i played with it for a while it didn't work..  but, lets say
I 
>did accidently rip out the plastic thingie, what IS it? where can I get 
>it? and how much does it cost?
>

     If I'm not mistaken, that plastic stuff is polarized plastic.  If
you take the front and back pieces off and then position them 180 degrees
from each other, then they don't let much light through (The black part
of the LCD), if you turn them another 180 degrees they slowly turn clear
(The clear part of the LCD).  I think that the LCD somehow polarizes
itself when a current goes through the right contacts.  I think that
makes since, right?
     I have no idea what it is called, other than "polarized plastic". 
I'm sure that some plastic manufacturer, or science supply store carries
it.

> 
>>> When I EL-ed my TI-86, I pulled the ENTIRE back off the LCD. 
>>>There was a thick plastic piece and a thin mirror. When i turned 
>>>it on I couldn't see anything.  it turns out that the mirror and the 
>>>thick platic piece were separate. I thought it was one piece.
>>>
>>> You need to make sure that plasitc piece is still on or the 
>>>screen can't darken the pixels.
>>>
>>> Make sure you have that and if you take it off, replace it. The 
>>> mirror is paper thin and curls up after you pull it off. If it was
stiff 
>>> when you removed it, you pulled too much off. You need to peel 
>>> the mirror off the plastic and repalce the plastic.
>>> --
>>>
>>> Richard Piotter
>>> richfile@prairie.lakes.com
>>>
>>> The Richfiles TI Hardware and BASIC web page:
>>> http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html
>>  
>

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