LCD and CRT

H

Hawk

Gawd
Joined
Nov 25, 2005
Messages
538
I know that CRT's have "true colour" and all. I use a CRT for photoshop work and have an LCD for other things (Dual screens are helpful). What I want to know is is my LCD limited to how defining the image quality is, like can I mess around with all the settings and get anywhere close, or isn't it really worth trying. Partly this is because most people have LCD's and showing them things look different than in my CRT. That's obviously seen between LCD and CRT. So really, is the LCD really limited in image quality, not that it doesn't look nice, but it is noticable with even two colours, like a light grey and white next to eachother, on my LCD they look very much the same but on my CRT the difference is noticable.

Cheers.

PS. The contrast ratio on the Samsung 713N LCD is 600:1.

EDIT: A side question. At what contrast ratio will you start to see more of "true colour". Practiclly please, not 10,000:1:p
 
If you're concerned about image quality you should've never gotten a lcd with 600:1 contrast.

Crts display at above 50,000:1 contrast. However, that doesn't tell the whole story.

http://en.wikipedia.org/wiki/Contrast_%28vision)

Contrast not only has to do with color, but has to do with brightness.

Otherwise your basically looking at the world at night, which is basically a dog's vision. All the colors don't show if the brightness isn't there to begin with.

Once an lcd is at a high resolution, and has a contrast level of at least 1000:1 and a brightness level of 450 cd/m or greater, it WILL look better then a crt due to the brightness.

EDIT: I didn't perfectly explain this. Contrast is the main issue, which is why I said an LCD needs high contrast. But brightness is also an issue because more colors are shown with brightness. Most crts have horrid brightness.
 
I would add that generally, apart from the backlight bleed, which causes a low contrast compared to a CRT, a lot of LCDs suffer from a limited dynamic range compared to CRTs. The 'TrueColour' only refers to the 24bit colour pallet which both CRT and a decent LCD will display equally...sort of.

Generally LCD's tend to clamp the extremes of the range (Blacks and Whites). There is not a lot you can do by altering the brightness or contrast settings, this is an inherant problem but changes a lot from screen to screen. Also the colours will vary from screen to screen but that's not limited to LCDs. Another problem LCDs tend to suffer from is banding, not all suffer from this but a lot do. Banding is not limited to 6bit panels, 8bit panels seem to do it just as much. If you want to avoid this you have to 'try before you buy'.
 
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