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: "SirKnight" <sirknight@mindless.com>
Date: Sat, 13 Feb 1999 09:33:49 -0800
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-89@lists.ticalc.org
Reply-To: assembly-89@lists.ticalc.org


On my GameBoy (pocket with the high contrast screen) I noticed the screen
turn blue, dark green, and some other colors.  I usually only happens
outside in natural light.  Indoor I never had the problem.  I'm sure it
would happen with the calc since it has a high constrast LCD also.


>
>a little OT, but does any1 know why it does that and how it might mess up
>your screen?
>
>At 09:02 PM 2/9/99 -0800, you wrote:
>>
>>maybe he dropped his calculator and screwed up the lcd, u guys even know
>what that
>>stands for? LiquidCrytalDisplay, u wanna see colors? press your finger on
the
>>screen with a little force and the liquid crystal will make a rainbow,
>kinda, and
>>it might mess up your screen
>>
>>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
>>
>>
>>
>>
>
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