RPTV's, DLP, and Plasma flat panel (1 Viewer)

[jimmy~e]

 

[TonyMAR]

I have heard that plasmas have a short lifespan (10,000 hours or so). Is there any truth to this statement.

 

[Robert P. Jones]

I have heard this also.

Mr Bob

 

[Rich H]

"I have heard that plasmas have a short lifespan (10,000 hours or so). Is there any truth to this statement."

No. Mainly because no one knows absolutely for sure how long they last...they are so new, so anyone who gives you an estimate with total confidence probably doesn't really know what they are talking about.

That said, the latest "bad rap" on plasmas, this idea of a really low life span, is taking on the properties of urban myth...misinformation repeated without any evidence. I've heard of salesmen telling customers that a plasma will only last two years. Ludicrous.

Those who have investigated plasma life-span are close to consensus that the current generation of displays should operate at least as long as the typical CRT. Here's a bit of info, covering current estimates of plasma life-span:

- Rich H.

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"Panasonic: States (not publicly) that the monitor is good for 20,000 to 30,000 hours. They also state that these plasma displays measure 50% brightness (phosphor ignition may be a better term) at 50,000 hours.

Fujitsu: States that the panel lasts 20,000 to 25,000 hours

Pioneer: States that the 50" PDP 502MX (or 505HD) measures half brightness (phosphor ignition) at 30,000 hours of use. They also state the newer model 503CMX (or Pro 1000HD) with a deeper pixel structure will last even longer though they do not have numbers."


"For consumer use these numbers should be comforting. They are about equivalent in longevity to CRTs, which typically state 25,000 hours or so life. Let's put these hours in perspective. The average U.S. household watches 4 to 6 hours of television per day. Staggering. Taking a mean time manufacturer stated longevity of 22,500 hours of usage, times our average 5 hours per day we come up with over 12 years of usage. And that is on the low side of estimates. At 4 hours per day and 25,000 hours we are looking at 17 years.

Now, there are varying degrees of phosphor ignition along the way (the same way a CRT fades). Dissipation begins the moment you turn the set on. After 1000 hours of usage a plasma monitor should measure around 94% brightness, which is barely noticeable to the naked eye. At 15,000 to 20,000 hours the monitor should measure around 68% brightness or to say it differently, 68% of the phosphors are being ignited. "

 

[Steve_L_B]

Rich H,
You really get around. I've been following your posts on three different HT/AV forums. We've had our 42" Panny ED for four weeks now and we love it. Keep spreading the word.

Regards,
Steve