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[Youtube]The Definitive Asus ROG PG279Q Backlight Bleed Test - 20 Monitors Unboxed and Tested - Page 2

post #11 of 74
Quote:
Originally Posted by iLeakStuff View Post

Hiding behind the "its IPS" is wrong because Ive used IPS displays before with almost zero backlight bleed.
This is evidence that Asus (and Acer) have crappy quality control or the display itself is not very good. Which is unheard when you look at the cost of these displays.

The light bleed is because they're edge-lit. The glow is from being IPS. Both of which add up to a poor end experience while viewing darker content.
     
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post #12 of 74
Thread Starter 
Quote:
Originally Posted by Chargeit View Post

The light bleed is because they're edge-lit. The glow is from being IPS. Both of which add up to a poor end experience while viewing darker content.

Ive used edge lit IPS before without issues. There are some people with P279Q with zero backlight bleed.

How do you explain that?
post #13 of 74
Quote:
Originally Posted by iLeakStuff View Post

Ive used edge lit IPS before without issues. There are some people with P279Q with zero backlight bleed.

How do you explain that?

You can get lucky and not have bad backlight bleed. Though, even then I'm sure some is there that you're overlooking. It's an accepted limitation of the technology. If you'd like an explanation I'd suggest you do some research since the information is out there.
     
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post #14 of 74
My Dell U2711 with CCFL has 0 Backlight Bleed. Used LG 34UM95-P for 1 week and dark content really sucked. Now I am using VA panel and love how there is no Backlight Bleed and blacks are very black
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post #15 of 74
Thread Starter 
Quote:
Originally Posted by Chargeit View Post

You can get lucky and not have bad backlight bleed. Though, even then I'm sure some is there that you're overlooking. It's an accepted limitation of the technology. If you'd like an explanation I'd suggest you do some research since the information is out there.

That doesnt make any sense. You cant get "lucky" if IPS = backlight bleed
There got to be more to it than that when one model exhibit nothing, some and very much backlight bleed
post #16 of 74
Quote:
Originally Posted by iLeakStuff View Post

That doesnt make any sense. You cant get "lucky" if IPS = backlight bleed
There got to be more to it than that when one model exhibit nothing, some and very much backlight bleed

IPS and edge-lit are two different things.

Edge lighting is more prone to back light bleed since the lighting is on the edges of the screen.

IPS suffers from IPS glow.

Combine the two and you end up with light bleeding out of the edges of a display that's also glowing and highlighting the bleeding light. I have noticed light bleed in panel types other then just IPS, but, it's never as highlighted and you pretty much have to look for it.

Edge-lit (Prone to light bleed)




Full array (Shouldn't suffer from light bleed)




I'm not making excesses for the gaming monitors. I'm saying that they need to start using full array which would resolve issues with lightbleed. The issues there is full array is more expensive and would cut into their profits.
     
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post #17 of 74
What do Tablets and phones use as backlight for IPS screens?
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post #18 of 74
Quote:
Originally Posted by ZealotKi11er View Post

What do Tablets and phones use as backlight for IPS screens?

Likely edge-lit. One benefit of edge-lit is being thinner. The smaller a screen is the less of an issue there should be. Though it is possible for a phone or table to have light bleed.
     
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post #19 of 74
Quote:
Originally Posted by Chargeit View Post

Likely edge-lit. One benefit of edge-lit is being thinner. The smaller a screen is the less of an issue there should be. Though it is possible for a phone or table to have light bleed.

I have tested OnePlus One, Nexus 4, iPad 3 and Surface Pro 3 and there is 0 bleed from the sides.
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post #20 of 74
Quote:
Originally Posted by ZealotKi11er View Post

I have tested OnePlus One, Nexus 4, iPad 3 and Surface Pro 3 and there is 0 bleed from the sides.

Tablets like the 50$ Amazon Fire have tons of Bleed on the 3 different samples I've got; this proves that Bleed can be controlled somehow in higher end Models like the retina Display on the iPad Air 1-2 which are also Edge-Led and not full Array just like the Amazon Fire, proving that lower end Displays like the one in the 50$ Fire are extremely prone to backlight bleed while still sharing the same backlight technology as higher End Displays like the ones in iPads.

This basically tells us that the cheaper the quality the more bleed, which is a kick in the balls when you see how much bleed these 900$ monitors have.
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