RE: TI-H: EL technology
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RE: TI-H: EL technology
Companies d omake displays that can be used for any sizew or purpose. I
e-mail one about 5 minutes ago and thye are getting back to me on how and if
anyone could do it.
----------
> From: Jan Zumwalt <zumwalt@alaska.net>
> To: "'ti-hardware@lists.ticalc.org'" <ti-hardware@lists.ticalc.org>
> Subject: RE: TI-H: EL technology
> Date: Fri, 3 Oct 1997 09:19:59 -0800
>
> Just for everyone's sake I thought I would add my two cents to help keep
the
> idea alive. The ac requirement is not a problem. A 555 timer or equivalent
can
> do the job and they are available in very small (SO) packages.
>
> On Friday, October 03, 1997 8:35 AM, Greg Hill [SMTP:gregh@xmission.com]
wrote:
> > > Actually, it won't be raining quite yet. Although the Nitelight
> > > Indeglow
> > > panel is AC powered (115V, .0003W -- I cut one open to find out!), the
> > > watch
> > > sized panels are not. They are 3V .0003W devices. I have also seen
these
> > > panels used to illuminate pins at parties. The pins ran on two watch
> > > batteries
> > > and had three of these panels. I assume You'd need 6x4 for a TI-92
and 4x3
> > > for
> > > the TI-85, but that's just a guess (I'm sure there are different
sizes).
> > >
> > > Soooo.. if anyone has or knows where to get the watch-sized Indeglow
panels
> > > which run on DC(?) voltage, PLEASE let me know.
> >
> > Unless I am misinformed, the electroluminescent effect is generated by
the
> > AC power used in the panel. This leads to the conclusion that Indiglo
> > panels do not run from dc voltage. There is an inverter inside the watch
> > which generates ac at a high voltage and low current. A similar inverter
> > would be used to run an EL backlight in a calculator, except that the
> > inverter would be physically larger because of the larger current draw
> > from a larger EL panel.
> >
> > As for a source for the EL panels, they're usually sold attached to an
LCD
> > panel. The EL nightlight is the only way I know of to get an EL panel
> > without an LCD to accompany it.
> >
> > --
> > Greg Hill
> > greg-hill@bigfoot.com
> > www.comports.com/link
> >
>
>