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TN, IPS and VA. What one is better at high refresh rate? - Page 5

post #41 of 48
Quote:
Originally Posted by GoLDii3 View Post



Samsung KS8000 VA panel vs LG's UF9500 IPS panel. Nothing can fix IPS's disgusting glow.

And actually contrast ratio does matter. If you ever watch movies at night,enjoy your grey black colors.

Err... Properly Calibrated, my Dell 2515H looks nothing like that backlight bleeding mess. redface.gif While it's true that IPS glow lowers percieved contrast. It's not enough to be concerned with unless you want "Actual Black", which requires something only OLED can even do.

Pretty sure the panel lottery is what is causing problems in that picture.
Edited by DVLux - 9/29/16 at 3:20pm
post #42 of 48
Quote:
Originally Posted by DVLux View Post

Err... Properly Calibrated, my Dell 2515H looks nothing like that backlight bleeding mess. redface.gif While it's true that IPS glow lowers percieved contrast. It's not enough to be concerned with unless you want "Actual Black", which requires something only OLED can even do.

Pretty sure the panel lottery is what is causing problems in that picture.

VA can still display blacks far better than IPS can dream of. Static contrast ratio is one of the most important performance aspect ratios of a display, it's something that is blatantly obvious to everyone. IPS glow isn't a panel lottery either. Backlight bleed is, but that picture shows IPS glow. Calibration has no affect on IPS glow or backlight bleed.
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post #43 of 48
Quote:
Originally Posted by boredgunner View Post

VA can still display blacks far better than IPS can dream of. Static contrast ratio is one of the most important performance aspect ratios of a display, it's something that is blatantly obvious to everyone. IPS glow isn't a panel lottery either. Backlight bleed is, but that picture shows IPS glow. Calibration has no affect on IPS glow or backlight bleed.

Since when was Static Contrast Ratio even important? redface.gif Considering how long manufacturers inflated Contrast values. Most people stopped caring about them. Besides, black can only truly be black when there is a complete absence of light. Which only OLED can do. So it's a pretty moot point.

Also, that is *not* simple IPS glow. That is serious backlight bleed. You can tell because it isn't uniform. As well as the fact that IPS glow isn't that bad when looking straight on.
Edited by DVLux - 9/29/16 at 8:23pm
post #44 of 48
Quote:
Originally Posted by DVLux View Post

Since when was Static Contrast Ratio even important? XD

post #45 of 48
Quote:
Originally Posted by DVLux View Post

Since when was Static Contrast Ratio even important? redface.gif Considering how long manufacturers inflated Contrast values. Most people stopped caring about them. Besides, black can only truly be black when there is a complete absence of light. Which only OLED can do. So it's a pretty moot point.

Also, that is *not* simple IPS glow. That is serious backlight bleed. You can tell because it isn't uniform. As well as the fact that IPS glow isn't that bad when looking straight on.

Inflated contrast values would be dynamic contrast values. Most people did not stop caring about static contrast, only you it seems.

Black performance is not moot, LOL. There is still a HUGE difference between VA blacks and IPS and TN blacks. Between 0.03 cd/m2 and 0.12 + glow. High end VA TVs can actually get pretty damn close to black, and bias lighting will take that a step further.

I think that photo is a mix of IPS glow and backlight bleed. Backlight bleed wouldn't affect the center of the screen like that, and IPS glow is pretty damn awful straight on with high refresh rate AHVA panels at merely 27" let alone a big TV. Remember, the photo is somewhat overexposed making it look worse than it really is, but the difference speaks for itself. IPS vs VA blacks. Calibration affects neither bleed nor glow.
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post #46 of 48
Quote:
Originally Posted by boredgunner View Post

Inflated contrast values would be dynamic contrast values. Most people did not stop caring about static contrast, only you it seems.

Black performance is not moot, LOL. There is still a HUGE difference between VA blacks and IPS and TN blacks.

I think that photo is a mix of IPS glow and backlight bleed. Backlight bleed wouldn't affect the center of the screen like that, and IPS glow is pretty damn awful straight on with high refresh rate AHVA panels at merely 27" let alone a big TV. Remember, the photo is somewhat overexposed making it look worse than it really is, but the difference speaks for itself. IPS vs VA blacks. Calibration affects neither bleed nor glow.

Backlight bleed can affect any part of the screen. X_X IPS glow barely affects the center of the screen, where you are likely aimed at when using the monitor. Any panel can have horrible backlight bleed/uniformity. Remember the Eizo Foris?

And Calibration affects the perceived black level and, thus, the contrast ratio. Always has. Unless I'm missing something...
Edited by DVLux - 9/29/16 at 8:35pm
post #47 of 48
Quote:
Originally Posted by DVLux View Post

Backlight bleed can affect any part of the screen. X_X IPS glow barely affects the center of the screen, where you are likely aimed at when using the monitor. Any panel can have horrible backlight bleed/uniformity. Remember the Eizo Foris?

And Calibration affects the perceived black level and, thus, the contrast ratio. Always has. Unless I'm missing something...

Yes, calibration can affect luminance and contrast but not backlight bleed or glow. It doesn't seem to do amazing things for contrast on today's LCD screens either.
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post #48 of 48
Quote:
Originally Posted by boredgunner View Post

Yes, calibration can affect luminance and contrast but not backlight bleed or glow. It doesn't seem to do amazing things for contrast on today's LCD screens either.

Technically, backlight bleed becomes less noticeable if you reduce the intensity of said backlight. Brightness, in other words. Obviously that doesn't fix the underlying problem. tongue.gif But, you know, that's why people return 3+ copies of the same monitor in every thread here.
Edited by DVLux - 9/29/16 at 8:50pm
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