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Are IPS panels supposed to have good dark colors, particularly black?

#1ZachnornPosted 12/8/2013 10:33:15 AM
I've seen people complain about TN panels having all kinds of awful backlight bleed, which is something that happened with my TN panel. I've also seen people compare IPS panels to CRT monitors when it comes to dark colors.

My IPS panel has worse blacks (especially near the corners) than my TN panel ever did, while still having a higher contrast ratio (and even when displaying only black). I also have it right next to a CRT monitor and my CRT blows my IPS panel away. My IPS panel looks better than my other monitors for most colors, so long as they're not black or almost black.

I play a lot of Left 4 Dead and sometimes other dark games, so that's why I'm concerned about dark colors.

Anyway, is this common in IPS panels or did I get a defective one? Or is mine just low quality? I have until late this week to return it (bought it on Black Friday from Best Buy). It's a Dell S2340M.
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#2Bazooka_PenguinPosted 12/8/2013 10:39:21 AM
Assuming your monitor has minimal backlight bleed, it's definitely the IPS glow. IPS glow is really really terrible. It's worse than gamma shift on TN monitors.

If you want good darks get some sort of VA monitor.
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#3Son Of SpamPosted 12/8/2013 10:46:37 AM
Everything I have read about IPS panels is that they have poor black levels, worse than VA. That's why Samsung and Sony's LCD TVs have better black levels than Panasonic and LG's LCDs. The main advantage of IPS is it keeps its contrast ratio over most viewing angles.
#4Zachnorn(Topic Creator)Posted 12/8/2013 10:48:49 AM
I looked it up and I found this:

http://i149.photobucket.com/albums/s73/royalkilla408/null_zpsd887c47b.jpg

My monitor pretty much looks like that when displaying a pure black image, except it isn't yellow in the left corner. The screen also doesn't really show black for me. It shows more of a very dark gray. When my monitor is off, it is hard to see the difference between the bezel and the screen, but it is very obvious when the monitor shows a black image.

I will look into a VA monitor. Thanks.
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#5EternalFlame66Posted 12/8/2013 10:56:21 AM
Zachnorn posted...
I looked it up and I found this:

http://i149.photobucket.com/albums/s73/royalkilla408/null_zpsd887c47b.jpg

My monitor pretty much looks like that when displaying a pure black image, except it isn't yellow in the left corner. The screen also doesn't really show black for me. It shows more of a very dark gray. When my monitor is off, it is hard to see the difference between the bezel and the screen, but it is very obvious when the monitor shows a black image.

I will look into a VA monitor. Thanks.


o_O those blacks are worse than a TN Panel
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Such is your fate.
#6ThescyyPosted 12/8/2013 10:57:38 AM
That's backlight bleed. You can sometimes fix it by changing the tightness of the screws holding the bezel on.
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#7ClouddxPosted 12/8/2013 10:58:53 AM
Quote:I looked it up and I found this:

http://i149.photobucket.com/albums/s73/royalkilla408/null_zpsd887c47b.jpg

My monitor pretty much looks like that when displaying a pure black image, except it isn't yellow in the left corner. The screen also doesn't really show black for me. It shows more of a very dark gray. When my monitor is off, it is hard to see the difference between the bezel and the screen, but it is very obvious when the monitor shows a black image.

I will look into a VA monitor. Thanks.

@Zachnorn

Woah, that looks horrible. My IPS panel looks nothing like that when displaying all black.
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#8Zachnorn(Topic Creator)Posted 12/8/2013 11:19:05 AM
Which monitor do you have? I'm trying to figure out if this might be common with my model.

Amazon reviews talk about having "deep blacks" and "true black" so I'm thinking that I might have gotten a bad monitor or I'm just being picky.
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#9EternalFlame66Posted 12/8/2013 11:32:56 AM
All-black background with VW246H, a 3 year old TN panel that has 2ms response time since it's made for gaming:

http://i.imgur.com/CgIAp8L.jpg

Ignore the obvious flash.
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#10EternalFlame66Posted 12/8/2013 11:45:39 AM(edited)
i agree with previous poster, it sorta looks like LED backlight bleeding, my Sony LED TV has something similar but at least the backlight bleeding is uniform and not nearly as severe so it looks very good still.

is the monitor supposed to be corner-lit? I thought even budget LED backlighting is at least edge-lit.
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