Re: LCD Etching

["coord" <splunge@xxxxxxxxxxx>]

I think Bob is referring to "Burn in"...Google LCD burn in...
"Bob La Londe" <usenet@xxxxxxxxxxxxxxxxx> wrote in message
news:1129739577.fac4a52918e79e6f90a37793f803362c@xxxxxxxxxxx
> "Frank Olson" <Please-use-the-email-links@xxxxxxxxxxxxxxxxxxxxxx> wrote in
> message news:emt5f.227604$oW2.63793@xxxxxxxxxxx
>>
>> "Bob La Londe" <usenet@xxxxxxxxxxxxxxxxx> wrote in message
>> news:1129678307.69d1c5a2e38157e857522be6b8aac170@xxxxxxxxxxx
>> >I did a video job a couple years ago where the customer insisted on
> buying
>> > their own LCD flat screen monitors.  I don't recall what brand they
> used,
>> > but they stared to suffer from etching almost immediately.  When I was
>> > looking into that I was told almost all LCD monitors will etch fairly
>> > quickly when used in that type of application.  Usually within days and
>> > with
>> > some within hours the bright text will start to etch.
>> >
>> > I have a little ten inch Sharp LCD I have had for many years that I use
>> > for
>> > a test monitor and occasionally for part of a loaner system when I have
> to
>> > send a monitor off for repairs.  It has always had a great picture and
> has
>> > never shown any signs of etching even when operated on a fixed quad
> system
>> > for over six months.
>> >
>> > I have a customer who wants me to loop out and install a flat screen for
>> > one
>> > of their cameras.  Naturally I thought of Sharp.
>> >
>> > As I flip through my TV catalog I notice that Sharp seems to have two
>> > lines.
>> > One is just Sharp and the other is Sharp Aquos.  Anybody have any recent
>> > experience with either of these for fixed view CCTV applications
> regarding
>> > etching or lack thereof?
>>
>>
>> I've sold dozens of LCD monitors and never encountered "etching"...  What
>> the heck is it (what does it look like)??
>
> I had never experienced it before that job, but its pretty bizarre.  Since I
> didn't supply the monitors I wasn't too worried about it.  Basically there
> are artifacts left on the screen.  The worst is where you get the bright
> imaging from the on screen text.
>
> When I looked into it I had two different LCD mfgs (probably relabelers)
> tell me it was common for that type application.
>
> I have only a handful of sites with LCD monitors (all Sharp) and I had never
> encountered it before, but I like to do jobs, take the money, and not have
> to do any service on them or have to make excuses for poor performance.  I
> figured before supplying a flat screen for this customer I would ask around
> again.
>
>
> --
> Bob La Londe
> www.YumaBassMan.com
>
>