Re: A89: ti-89 color, and I don't mean grayscale

To: assembly-89@lists.ticalc.org
Subject: Re: A89: ti-89 color, and I don't mean grayscale
From: "Joseph M. Geiss" <joseph@mail.bcpl.lib.md.us>
Date: Wed, 10 Feb 1999 18:11:37 -0500
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-89@lists.ticalc.org
References: <1114d3aa.36c1021c@aol.com>
Reply-To: assembly-89@lists.ticalc.org


maybe the liquid crystals reflect a different wavelength depending on how much
current is applied

joe

Daniel7073@aol.com wrote:

> That shouldn't happen.  The way an LCD works (correct me if I'm wrong) is that
> each pixel in the LCD is either transparent or opaque, depending on the
> current applied to it.  A small change in the current can change its state,
> which results in a low power device, as opposed to LEDs, which require more
> current.  However, unless the LCD is set up for it, it should not turn blue.
> I'm not really sure what to make of it.   Perhaps someone with more
> electronics knowledge can explain it.
>
> Daniel Imfeld

References:

Re: A89: ti-89 color, and I don't mean grayscale

From: Daniel7073@aol.com