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I have been looking at a plasma (samsung 58") and a sony 52" lcd, I noticed while looking in best buy, that all the plasma's seemed to be much hotter to the touch then the lcd's, this tends to make me think that the lcd is a better long term choice, can anyone shed some light on this, thanks
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My take:
LCDs don't have the shadow detail or deep blacks that plasma does, although they often look a bit brighter in "torch" mode in showrooms at BB or Fryes. I also don't care for the motion lag with LCDs. Those factors alone would do it for me.
The heat just isn't an issue for most plasmas - modern displays will go well over 100,000 hurs to "half original brightness", which is probably far longer than you would use the set in real life. Also, Panasonic and Samsung are firmly committed to plasma production.
I've worked in a room full of Panny plasmas and they didn't raise the room temp at all.
They are a bunch of myths out about plasmas, so take short plasma life with a grain of salt. It doesn't seem to be true for the vast majority of users.
I watch a lot of film based material, which looks much more natural and "film-like" on plasma displays. LCD is fine for most video sourced material, and they've come a long long way in the past few years. But the plasmas look better to my eyes and lack the shortcomings I perceive with LCD. However, your eyes may different from mine, so you may prefer the LCDs.
Whichever technology you choose, don't let plasmas running warmer be the deciding factor - it's insignificant in the long run.
I still prefer my 4 year old plasma to the LCD TV's I've seen recently for all of the reasons you mentioned.
Additionally, plasma has become more energy efficient and depending on brand / model / size, most dissipate only slightly more heat than LCD's and some are on par. A few are still energy hogs but this is not the norm.
I have yet to see an LCD that doesn't shift color slightly as you move slightly off center to the screen. Try it sometime at a store. It is most noticeable while observing skin tone on a talking head - a close-up of a news broadcaster for example. While much improved vs older sets, this phenomenon peculiar to LCDs still exists today.
I would say even 10 degrees off center noticeably decreases PQ with LCD, and especially brightness. 20 degrees is ridiculous.
People should remember, as was pointed out already, that plasma power consumption is all over the place depending on what's being displayed. LCD power consumption is constant. So to compare actual power consumption (manufacturers' numbers are usually max.), you'd need to use a kwh meter over a fair time with the material you watch with the plasma...not really practical, and may be an irrelevant result to everybody but you.
For example, my Pio Elite 60" consumes from 160W to a bit over 700W, and I use it in full power blasting mode (I don't mean torch mode, but in no-power-saving mode for best performance). In the summer I can feel the heat from the front of the display, but the back is "cold" and none of the four fans have ever come on (I presume they work...).
The heat issue is not a problem. My Panasonic 50" is warmer than an LCD, but not by much. I think the heat issue is a bit overblown. It certainly will NOT heat up your room. The Panasonic is fan cooled (you cant hear the fan while in front of the set, you have to put your head behind it to hear it at all). As far as plasma being phased out, Im not sure I would write a death certificate yet. Both Pioneer and Panasonic are not ready to pull out of the plasma market (Panasonic just opened a 2.4 billion dollar plant to make plasma sets). It seems that they think when a buyer shops based on image quality, they end up selecting plasma. I agree. Even the best LCD types, though they have a lot of good qualities, still cant give the same image quality as a plasma.
My pioneer krp-500m ran red hot until I put teflon tape on both ends of the power cord ac plug's prongs...
"It seems that they think when a buyer shops based on image quality, they end up selecting plasma. I agree. Even the best LCD types, though they have a lot of good qualities, still cant give the same image quality as a plasma."
Oh I don't know about that. I can assure you that I bought both of my Samsung LCDs based on image quality (Pioneer doesn't make a 46" which was the largest TV I needed). Panasonic plasmas have an overlay of fine digital noise that bothers me, evidently it doesn't bother you and things about the LCDs that don't bother me bother you. Note that some Sansung LCDs have more accurate color than some Panasonic plasmas, this complicates any plasma vs. LCD comparisons.
Since none of these devices are perfect preferences are the final word only for the person venuring the opinion
Well, all flat panels have some dithering, or digital noise, to some degree. If you can see it, you are probably sitting too close. We view the Panasonic from about 15 feet, and at that distance, no noise is visable at all. We have a couple of LCDs, too, for other purposes, and they have digital noise as well. Looking at all the sets at BB, I see it is quite common. By the way, the new OLED looks very good. I'm going to keep my eyes open to new sets using that technology.
I had the first 1080p plasma by Pioneer Elite and that ran hot. In the summer my room would get hot after one hour. I have the latest Pioneer Elite now and it runs much cooler. It does not heat up my room at all.
I did not worry about the heat issues and the room the TV is in gets pretty warm in the Summer (not that I watch much during the day).
LCD off-axis viewing and motion blur issues are a bigger problem IMHO. YMMV
Have had a 50 inch Fujitsu plasma TV going on 4.5 years. It does run hot, but I have never had an issue with this set. We have a run-down cabinet that it resides in and one night we forgot to turn the unit off. It ran all night in the cabinet. I could feel it (the heat) as I walked by the cabinet in the morning. Nothing happened. It is still humming along. The "burn-in" problem with plasmas has never shown itself with this set. I don't know how long it will last, but back in 2005, I paid a bundle -- now I could buy 5 of them for the money spent back then. Even though this was a pre- HDMI set as well as 1080p resolution ( I think the native resolution is 1080i) it has a great picture. Not trying to push these sets, they are no longer being made. Using component cables, I get a great picture even though it is hot. So when the time comes that this set goes to plasma heaven, I will probably be left with only LCD choices for a replacement. Perhaps the technology at that time will take care of heat problems. We shall see.
Ron
Plasmas do run hotter but the better units run cooling fans in order to dissipate the heat. IMHO experience the fan cooled Plasmas seem to have fewer issues than the LCDs. I have one Sharp LCD which is definitely exhibiting a burn lark on the screen on one channel. Then again a friend who has a Sony 60 incher seems to have the same recurring issue a vertical line appearing on the side of his screen (two sets the same issue, leading me to believe it is a factory production issue).
The early plasmas dd have a high failure rate and part of it was due to the fact that many interior designers cut back the wall in order to inset the plasma set flush. This lead to a huge heat build up which eventually killed the electronics.
Stu
It's not uncommon to install a plasma or LCD TV above a fireplace, but not the best viewing position. Having walked past a large high-end Pioneer plasma at a dealer it occurred to me that placing it IN the fireplace and running a fire screen saver would be appropriate, given the heat the thing put out.
db
LCD's run at lower power. The new LCD's with LED lighting run at yet lower power. This is one of the reasons I went with an LCD rather than plasma. Living in San Diego, it is rare that I need to heat my house.
Generally speaking, electronics running cooler will last longer. Not sure how big of an issue it is with plasmas vs LCD's though.
We'll have to agree to disagree about global warming until the next global cooling scare comes along
Plasmas do consume more power than LCDs, but the picture is so much better it was worth it to me.
Picture was better and most importantly the price. Apparently they (Plasma) are on the way 'out.' So if they last next five years.....After all, we'll all get LED or OED...?
"the public is not allowed to win in any game ever invented, and that includes the American Revolution." Charles Bukowski
Keep in mind, the 500W rating applies only when displaying a totally white screen at full brightness. Seldom a real use of the set. When the scene is dark, much less power is consumed. So power consumption varies with image.
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