A question about Flat Panel TV's (1 Viewer)

Dom_R · Feb 19, 2003

Hi I'm new here and this is my first post. I have always been wondering about this question and have never received an answer from anyone. What is the difference between an LCD TV or a Plasma TV? Which is better? Which is more suitable for watching TV/DVD's?
Thanks in advance.

Allan Jayne · Feb 19, 2003

An LCD direct view TV has a panel with tiny spots with red, green and blue cellophane (actually a better more modern color substance) in front of them and the spots, corresponding to pixels, turn dark or light while a light source behind shines through. The tiny spots (liquid crystals) don't turn extremely dark so the TV overall doesn't have as dark a black (black level) as other kinds of TV's.

A plasma direct view TV has a panel with tiny thin tubes going up and down which glow red, green, or blue in segments corresponding to pixels, using the same kinds of phosphors used on TV CRT tubes

Video hints:
http://members.aol.com/ajaynejr/video.htm

Dom_R · Feb 20, 2003

Thank you Allan.
So if I wanted the best possible picture, I should go with Plasma?

Allan Jayne · Feb 20, 2003

You will get a better picture with plasma, but you will pay a lot more for a given size screen. Also plasmas come in larger sizes than LCD direct views.

Dom_R · Feb 20, 2003

Ok, thats the answer I was looking for. Thanks again Allan.

Kevin P · Feb 21, 2003

If you're curious about LCD screens, they are essentially the same as what laptop computers and flat panel computer monitors use. They use a backlight and the pixels either let light through or block it (though not completely--this is why you don't get true black with a LCD).

Plasma is a different technology entirely, where the pixels themselves emit light. Black level isn't perfect with plasma (yet) but the technology is improving all the time so I bet in a few years we'll see plasmas have blacks comparable to CRT.

KJP

Scott McVicker · Feb 21, 2003

Correct me if I am wrong but I believe the LCD screens are less suceptable to "burn in" and have a wider viewing angle.

RoyGBiv · Feb 22, 2003

LCD screens never have burn in. They may have "ghosting" in which a static image may remain visible for short periods of time after the intial viewing.

In terms of angle of viewing, I believe plasma is actually better than LCD, though some newere LCDs are getting close.

SMK

PaulHeroy · Feb 22, 2003

You will get a better picture with plasma, but you will pay a lot more for a given size screen. Also plasmas come in larger sizes than LCD direct views.

If we're talking about the "flat panel" LCDs (i.e. Sharp's Aquos line) instead of Rear Projector LCDs (i.e. Sony's Grand Wega), the prices I've seen favor Plasma over LCD. I haven't even noticed LCD flat panels over about 30-32", while Plasmas are up to over 60".

For comparison, here are some prices at tvauthority.com excluding the cheaper ED (lower res) Plasma units.

LCD - 30" Sharp Aquos: $5995 (msrp $7995)
LCD - 30" Zenith L30W26: $4399 (msrp $6699)

Plasma - 42" Hitachi CMP4121HDU-512: $4245 (msrp $7995)
Plasma - 42" Sony PFM-42B2-H: $4895 (msrp $7999)
Plasma - 50" Samsung PPM50H2: $5995 (msrp $9999)

For a given street price the Plasma has a much bigger screen. There are no LCDs listed over 30" (a 60" Zenith model is listed on TVA's LCD page but it's a RP about 18" deep).

Click to expand...

Tappan · Feb 22, 2003

better yet rptv sporting the new dlp technowlegy is said to be just as sharp as plasma, without burn-in, and get this....have a fixed price that can't exceede $4999.99 reguardless of size.

Reginald Trent · Feb 22, 2003

You should also be aware of this.

http://www.avsforum.com/avs-vb/showt...71#post1620871

PaulHeroy · Feb 22, 2003

dlp technowlegy [...] have a fixed price that can't exceede $4999.99 reguardless of size.

Uh... can you please explain what you mean by this comment? "Fixed price"? The Samsung 61" DLP rptv has a msrp of $6k.

Click to expand...

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