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Topic: HDTV Tech Discussion.
Smoke N a Pancake
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Smoke N a Pancake's profileNeoPM Smoke N a Pancake
since: Mar 2003
Jan 09, 08 at 2:55pm
HDTV Tech Discussion.

Well it's certainly the most popular debate among people interested in HD appliances, so there's no better place for that discussion than the HD forum.

Discuss the pros and cons of each technology here, and feel free to leave your own two cents in on the matter. I'll get around to updating this post with a little fact sheet for each in the near future as well.

Title Edited: It seems that there's a few too many technologies out there to cram them into one title.


This message was edited by smoke N a pancake on Jan 09 2008.

This message was edited by smoke N a pancake on Jan 14 2008.



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Koloth
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Jan 09, 08 at 3:31pm
re: LCD vs. Plasma

I think ultimately the things that made me pick LCD was the way I use my TV. Plasma just aren't designed to be used all day every day. They are far more prone to burn in and they have a shorter expected lifespan. Plus they produce a more heat.

On the other hand Plasma is hard to beat for size and color clarity. If I were going to get something larger than 40" I would definitely look at Plasma.

However you forgot about DLP. And then there is also the up and coming OLED. They don't get the same sort of face time as Plasma and LCD but they are viable options.



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Guugley
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Jan 09, 08 at 3:35pm
re: HDTV Tech Discussion.

This page tested both of them and out of 12, LCD got 8. I don't really mind which one's better tbh, they're both pretty good.

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Darknet
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Jan 09, 08 at 3:36pm
re: HDTV Tech Discussion.

Yes, DLP is a good choice. My parents got a 56in DLP and it looks amazing, but I still like my LCD more.

Sum: LCD > DLP > Plasma



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Smoke N a Pancake
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Jan 09, 08 at 3:55pm
re: HDTV Tech Discussion.

I did leave DLP out, but realistically oLED really isn't that much of a discussion point yet because it's still so expensive (and limited in size). As far as the normal consumer goes, it's really all about DLP, LCD, and Plasma.



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The Slayer
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Jan 09, 08 at 4:02pm
re: HDTV Tech Discussion.

I think you should add DLP to the topic too.

I've always heard that the size of your TV has a big factor in what kind of TV you should get. I think LCD is good for 47" TV's and under.

I know how LCD works, and I know DLP uses mirrors, but how does Plasma work?



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Koloth
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Jan 09, 08 at 4:10pm
re: HDTV Tech Discussion.

quote smoke N a pancake
realistically oLED really isn't that much of a discussion point yet
True, but it is an interesting technology with many advantages. It will be a big player when manufacturing costs are reduced.



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Smoke N a Pancake
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Smoke N a Pancake's profileNeoPM Smoke N a Pancake
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Jan 09, 08 at 4:41pm
re: HDTV Tech Discussion.

If we put everything into one thread then that really limits the discussion opportunities for the rest of the forum. I added them anyways, but it may not be a bad idea to make a separate thread for oLED technology.



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Koloth
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Jan 09, 08 at 5:02pm
re: HDTV Tech Discussion.

Well nothing saying we can't have seperate threads to discuss each one. There are things such as setup and technologies that are more easily discussed in a seperate thread rather than in a comparison thread.



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Jan 10, 08 at 1:24am
re: HDTV Tech Discussion.

what is the DLP technology?

What are its advantages over a plasma or LCD?



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Darknet
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Jan 10, 08 at 9:10am
re: LCD vs. Plasma vs. DLP (and oLED discussion)

DLP uses projection, which makes it better sometimes. Though it can be bulky.



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Redemption
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Jan 10, 08 at 8:30pm
re: LCD vs. Plasma vs. DLP (and oLED discussion)

quote Koloth
I think ultimately the things that made me pick LCD was the way I use my TV. Plasma just aren't designed to be used all day every day. They are far more prone to burn in and they have a shorter expected lifespan. Plus they produce a more heat.

On the other hand Plasma is hard to beat for size and color clarity. If I were going to get something larger than 40" I would definitely look at Plasma.
I think current generation plasma's have a half life of 60,000hrs (I assume half life is the time for the plasma phosphor to become around 50% as bright as their original brightness), and Panasonic claims to have gotten theirs up to 100,000hrs. A person can use their plasma for around 20 yrs @8hrs a day before it really dies. Most ppl don't even keep their CRT's that long and I'm pretty sure most people don't watch 8hrs of TV every single day. At 100,000hrs of half life its more like 30yrs. Plasma technology is improving remarkably fast too. Not to mention it inherently has no ghosting issues that LCD's have (plasma has a refresh time of 0.2ms or something ridiculously low like that). LCD's with 120Hz (more and more common) refresh probably solve all these problems but I'm not sure.

I also think burn in is less of a concern nowadays. But IR (Image Retention) is still a big enough risk that you have to watch your usage habits (a huge turnoff). Still, even IR is much better in current generation products. Maybe in a few years IR will become even less of an issue, but I think Plasmas will always be prone to uneven wear of phosphors, there's just nothing that can be done about it.

The future is probably going to be OLED and LCD's with locally dimmable LED backlights, though I understand some cool plasma concepts were shown at CES this year .



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Koloth
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Jan 10, 08 at 8:51pm
re: HDTV Tech Discussion.

Well I bought mine last year. At that time the cons against Plasma were still pretty prevailent. But on top of that not a lot of Plasma are even made in the 32" range.

As for ghosting I have never noticed it on my TV. I beleive with out looking it up mine has a 8ms refresh. However many newer LCD actually have as low as 5ms refresh. Which is enough to fix even the worst sort of ghosting.



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Smoke N a Pancake
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Jan 11, 08 at 9:48am
re: HDTV Tech Discussion.

I believe that an expensive enough LCD between 20-26" actually can have low enough as 2ms response time (I know my 22" monitor does, but I'm not sure on the specifics for actual television sets).

What I really like about plasma is the naturally high contrast that you can't find as much with LCDs. Other than that, however, there's really nothing to sway me to buy one other than perhaps the size of the television I'm looking for.



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Redemption
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Jan 11, 08 at 12:10pm
re: LCD vs. Plasma vs. DLP (and oLED discussion)

quote Koloth
Well I bought mine last year. At that time the cons against Plasma were still pretty prevailent. But on top of that not a lot of Plasma are even made in the 32" range.

As for ghosting I have never noticed it on my TV. I beleive with out looking it up mine has a 8ms refresh. However many newer LCD actually have as low as 5ms refresh. Which is enough to fix even the worst sort of ghosting.
Yeah current day LCD's have very little ghosting, its more about motion blur, and that's almost non existent. A 32" TV is less likely to have motion blur than a larger one I think. I doubt its a problem for 90% of users. I'm not against LCD's or anything, I was with a friend just a few weeks ago who was shopping for a Sony Bravia and we had a great time staring at them all and doing research. I'm just adding to the conversation .

Btw, plasmas have had the same total "lifetime" as LCD's under normal use conditions since late 2006 I believe. Anyone who tells you otherwise is quoting way old information from 2004-2005. Plasma's unfortunately are still "dimmer" than LCDs and when run in torch mode probably don't last as long. Other cons against plasma would be their naturally more reflective screens - the combination of lower brightness and reflective screens make plasmas less ideal for daytime viewing.

This message was edited by Redemption on Jan 11 2008.



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