Why are plasmas still being made?

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08 Mar 2012, 7:03 pm

Hey!
My brother, back in december bought a plasma TV he has been saving for a while for gaming with his computer.
1 week after ownership, screen burn. You could see the super bar of Windows 7 burned into the screen. Nothing else though. We took it back and exchanged it for an LED.
Why are plasmas still being made? They are doomed to a certain death.

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Titangeek
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08 Mar 2012, 11:06 pm

What brand was it? Yes all plasmas suffer burn in, but it takes a lot longer with good ones.

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Nim
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08 Mar 2012, 11:39 pm

I think simply because they are fast, and they are cheap to make.

But if you have a task bar sitting that never moves for hours on end what do you expect? :roll:

Vigilans
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09 Mar 2012, 12:01 am

Some plasmas have a rotating pixel effect that is imperceptible but can, if not prevent, delay burn in. Even CRT can suffer burn in though

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Blue_Star
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09 Mar 2012, 12:32 am

Madbones wrote:

Why are plasmas still being made? They are doomed to a certain death.

I could express the same sentiment in regards to LCD screens. After working on a final project in vb.net years ago, I had burn in of the windows taskbar and visual studio window outline, etc on the LCD screen on my (new at the time) laptop. It was a difficult and frustrating process to get that screen replaced. I love our plasma tv tho and would not prefer an lcd screen in that case.

abacacus
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09 Mar 2012, 9:03 am

Because they... well... work? And people buy them?

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IDontGetIt
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09 Mar 2012, 10:39 am

Plasma TVs do have guidelines to avoid burn in, like don't have static images on screen for the first 100 hours or so.
I'm glad they are being made, I'm getting one when my CRT dies. LCD/LED TVs just aren't good enough.

Madbones
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09 Mar 2012, 10:50 am

IDontGetIt wrote:

How would you go about doing that though?
You would probably need some sort of special DVD to play on for 100 hours.
Suppose then it would be ok.
The one thing I didn't like is the fact that they had allot of noise.

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Madbones
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09 Mar 2012, 11:04 am

Blue_Star wrote:

Madbones wrote:

Why are plasmas still being made? They are doomed to a certain death.

Funnily enough I have never experienced that problem with an LCD screen. I have used LCDs almost all my life, never had that problem, suppose depends on the unit.

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IDontGetIt
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11 Mar 2012, 11:00 am

Madbones wrote:

IDontGetIt wrote:

Basically, avoid using as a computer monitor, and avoid tv channels with the stupid logo in the top corner for the first 100 hours. Burn in is less of a problem than it used to be though.

Ellendra
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11 Mar 2012, 9:53 pm

Vigilans wrote:

Some plasmas have a rotating pixel effect that is imperceptible but can, if not prevent, delay burn in.

I wonder if that's why some of them give me migraines. It's like they're wiggling wrong when I look at them.

oldsk00l90
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11 Mar 2012, 10:26 pm

It is probably because of their extremely fast refresh rates. It's not uncommon to see one with a refresh rate of 600 Hz, while LCD/LED screens usually top out at around 240 Hz. They are also good at displaying dark colors like black.

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12 Mar 2012, 11:01 am

oldsk00l90 wrote:

your eyes will barely notice the difference,

expecially since the "hz" of a tv are not actual physical X hz signals, they are mostly upsclaed 60hz signals improved with internal proccesing,
a computer monitor running at 120 hz for an example will have a uniquely new picture 120 times a second where a 600hz plasma would still only have a maximum of 60 unique pictures,(normal tv is usually between 24 and 30, i think full HD movies are recorded in 60, )
the rest is displaced pixels and post processing.

there probably are plenty of tvs that run a native 120 but anything above that i am highly skeptical of in that regard.

the colors are better with plasma however and if it werent for their finicky nature i probably would enjoy a plasma screen as much if not more than an LCD screen,

now i use my projector on an old overhead projection canvas and if i turn down the brightness a tad it allows for decently pure blacks)in relation to it being a projector) while still being intensive enough for the room lighting not to become much of an issue, daylight needs blocking whe in use though.

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Last edited by Oodain on 12 Mar 2012, 12:28 pm, edited 1 time in total.

nat4200
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12 Mar 2012, 11:32 am

Redacted

Last edited by nat4200 on 21 Apr 2012, 1:34 am, edited 1 time in total.

oldsk00l90
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14 Mar 2012, 4:04 pm

I most have misunderstood the numbering system for Hertz on T.V's.

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