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CRT or LCD?

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Name: anniep
Date: September 16, 2006 at 21:04:13 Pacific
OS: xp sp2
Comment:

I heard that CRT monitors emitted alot of radiation. So I bought a samsung syncmaster 731b lcd monitor to get away from an older CRT monitor that I had. Question I have is when I look at my NVIDIA GeForce 6150 LE advanced settings where it says NVIDIA direct Access-Samsung Syncmaster. The display information says:

manfacture name - samsung syncmaster
serial # XXXXXXXXXXXXXXXX
Display type - cathode ray tube
video input-analog

Does anyone know if this a LCD or a CRT monitor? I thought LCD monitors didn't have a cathode ray tube. Thanks for the help in advance




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Response Number 1
Name: Sabertooth
Date: September 16, 2006 at 21:11:56 Pacific
Reply:

http://www.samsung.com/Products/Mon...

I refuse to add anything else ;-)

Don’t spend two dollars to dry clean a shirt. Donate it to the Salvation Army instead. They’ll clean it and put it on a hanger - Next morning buy it back for seventy-five cents.


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Response Number 2
Name: anniep
Date: September 16, 2006 at 21:17:20 Pacific
Reply:

Thanks for the link.


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Response Number 3
Name: jackbomb
Date: September 16, 2006 at 21:31:17 Pacific
Reply:

It's telling you that you've got a CRT because you're running your display off an analog (VGA) display port, which is generally associated with CRT displays.

If you ran the monitor off a digital DVI port, the program would classify it as an LCD.


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Response Number 4
Name: jboy
Date: September 16, 2006 at 22:00:53 Pacific
Reply:

"I thought LCD monitors didn't have a cathode ray tube"

... which is probably why they have different names.

Radiation you say? From Wiki:

CRTs also emit very small amounts of X-rays... Almost all of this radiation is blocked by the thick leaded glass in the screen so the amount of radiation escaping the front of the monitor is mostly harmless.

Although I'm sure the tinfoil hat crowd remains unswayed

Diplomacy is the art of saying 'Nice doggie!'... till you can find a rock


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Response Number 5
Name: StuartS
Date: September 16, 2006 at 22:19:44 Pacific
Reply:

>> It's telling you that you've got a CRT because you're running your display off an analog (VGA) display port, which is generally associated with CRT displays. <<

Liquid Crystal Displays (LCD) can also run of analog inputs as well as Cathode Ray Tubes (CRT) although Digital Visual Interface (DVI) is better. Its the display type that determines the name, not the input type.

Video Graphics Array (VGA) is an old display standard (640x480) and has nothing to do with the type of display. LCDs can also run in VGA mode although it will look terrible.

Stuart


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Response Number 6
Name: jackbomb
Date: September 16, 2006 at 22:38:09 Pacific
Reply:

"Liquid Crystal Displays (LCD) can also run of analog inputs as well as Cathode Ray Tubes (CRT) although Digital Visual Interface (DVI) is better. Its the display type that determines the name, not the input type."

I know. But when an LCD is connected to the analog connection, most display driver software will think that the display being used is a CRT. And when a digital CRT is connected to a DVI port, the display driver will most likely call it an an LCD.

"Video Graphics Array (VGA) is an old display standard (640x480) and has nothing to do with the type of display. LCDs can also run in VGA mode although it will look terrible."

I called it a VGA port because that's what most people call it. Go to any old video card manufacturer, and they'll call the analog port a "VGA connector," even though it's perfectly capable of providing resolutions much, much higher. here's an example


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Response Number 7
Name: cliffpage
Date: September 17, 2006 at 02:12:51 Pacific
Reply:

the easiest way to tell if you have CRT (cathode ray tube) type monitor is the size of it. it is deep, because of the huge casing needed at the back to cover the end of the glass tube. Also the screen is very tough hard glass.


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Response Number 8
Name: anniep
Date: September 17, 2006 at 21:04:35 Pacific
Reply:

Thanks all for the help and for answering my question.


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