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LCD vs TFT

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Name: punistation
Date: January 21, 2004 at 05:03:47 Pacific
OS: WinXP
CPU/Ram: 1Ghz/512
Comment:

In the PC stores I see some flat-screen monitors labelled LCD, and a few select ones as TFT.

What's the difference? Anything quality-wise?

Kisses XXOOXX
Jen



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Response Number 1
Name: mesich
Date: January 21, 2004 at 05:30:00 Pacific
Reply:

Hi Jen, hello everyone,

Both are actually LCD displays. The TFT's, are just a better type of LCD.
There are three different formats of TFT.
XGA (extended graphics array),
SXGA (super extended graphics array), and
UXGA (ultra extended graphics array).

Best Regards,
Mesich


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Response Number 2
Name: DAVEINCAPS
Date: January 21, 2004 at 14:14:42 Pacific
Reply:

One thing I've noticed: Some CRT monitors are being advertised as 'flat screen'. But in their case it only means the glass is less curved. LCDs are usually advertised as 'flat panel'.

I had a guy ask if $100 was a good deal for a used 17" 'flat screen' monitor. I told him if it's CRT then no, but if it's LCD then it's a great deal.


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Response Number 3
Name: mesich
Date: January 21, 2004 at 14:53:31 Pacific
Reply:

Hi Jen, DAVEINCAPS, hello everyone,

Very good point Dave. I have had the same question asked on occasion. After checking it out the monitor was a CRT and not an LCD.

Best Regards,
Mesich


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Response Number 4
Name: ray_bro
Date: January 21, 2004 at 17:23:23 Pacific
Reply:

Didn't see it mentioned, so for the edification of all... TFT stands for "Thin Film Technology". TFT basically describes a technology for depositing transistors and capacitors on a substrate. The transistors and capacitor function is to apply the required volages to operate the Active Matrix Liquid Crystal pixels of a TFT/LCD monitor. There are in excess of 2 million TFT transistor/capacitor circuits required to operate an LCD monitor that supports 1024 x 768 resolution. The higher the supported resolution, the more circuits required.

Anyone interested in reading up on this can go here

Regards - Ray


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