Re: TI-H: Backlighting
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At 02:56 PM 10/25/96 +0000, you wrote:
>> The most promising thing that I have found is a small light (about 2" wide x
>> 2" high x 1/4" thick). It is called LimeLite(Tm) or something like that and
>> can be found at many general purpose and hardware stores. They are kinda
>> pricey (about $10 US) but seem to be just the right size for a TI-92 screen.
>> They use a similar-looking-and-acting device as an Indiglo watch light and
>> glow a soft blue-green. The small module plugs directly into the wall
>> (120v) and uses 70mw. I'm sure that this could easily be adapted for use
>> with 6v as the LimeLite probably has a resistor built in and really doesn't
>> care how many volts it receives.
>> Just an idea,
>> BlakLite
>>
>> P.S. You can order them from Damark (1-800-729-9000) with the part number
>> B-8850-418353 (2 for $20) or B-8850-418360 (4 for $30) no shipping and
>> handling charges.
>
>Actually, this might use the AC to produce the light. From what I
>have read, electroluminescent backlights require AC, and at a high
>voltage (in the hundreds or maybe thousands of volts). Many devices
>equipped with backlights have an inverter to produce this voltage. I
>think Mouser or Digikey sold a backlight a while back, and it
>required another board to produce this voltage. But I don't know how
>Indiglo works. It is probably different, as I don't think they could
>fit an inverter into a little watch. Anyway, I just though I'd let
>you know of a possible problem.
>
>Ben
>shakal@ns.net
>
Yes, but either way, it is only 70mw (and can most likely be decreased
because it is meant as a night light anyway), and the circuit (if there is
one) for regulating voltage could be easily modified. If this DOES require
AC though, then I think we are going to be out of luck.
BlakLite
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