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[Official] The Qnix/X-Star 1440p Monitor Club - Page 516

post #5151 of 25904
I used the same method TFT Central uses to capture PWM @140cdm/2 as well as the shutter-speed method (set cameras shutter to 1/500th always reveals flickering on my Sanyo HD2000's LCD) and did not detect PWM.

The Samsung S27B970D PRAD reviewed used PWM (low 180hz frequency) while TFT Centrals did not, and a few AH-IPS & A-MVA panels are known to suffer from PWM panel lottery so I would not be surprised if these suffer from PWM panel lottery as well.
Edited by MenacingTuba - 8/2/13 at 2:43pm
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post #5152 of 25904


I'm guessing they're not in order haha
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post #5153 of 25904
Quote:
Originally Posted by Moragg View Post

This info definitely needs adding to the OP:

These monitors are not PWM-free, the panel definitely has PWM. There was a review on overclockers.ru (I think) that measured it at ~165Hz, I think TFTcentral's review of the Asus with this panel measured ~250Hz.
I will say that I run my monitor 10 clicks up from bottom (120cd/m2) and PWM is not noticeable at all until you get to much lower brightness levels.

Sorry it's not PWM, but maybe will someone will know of a Korean IPS that is PWM-free. Good luck!

Thanks, as suspected. I also got an email from a large seller stating that all of the PLS panel monitors use PWM. Shame!
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post #5154 of 25904
available on newegg now smile.gif
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post #5155 of 25904
Quote:
Originally Posted by szeged View Post

available on newegg now smile.gif

just a korean reseller on newegg. Kind of deceiving that newegg does that, but I guess amazon is the same.
post #5156 of 25904
wth is PWM...
    
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post #5157 of 25904
Quote:
Originally Posted by caenlen View Post

wth is PWM...

http://www.tftcentral.co.uk/articles/pulse_width_modulation.htm

Basically the "cheaper" way of controlling the brightness of a screen, rather than adjusting it's steady-state voltage and maintaining a continuous back light.
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post #5158 of 25904
Quote:
Originally Posted by caenlen View Post

wth is PWM...

PWM = Pulse Width Modulated (output)

with LEDs you can flash them on/off very quickly to have the effect of "dimming the screen", but it can result in a flickering appearance.
post #5159 of 25904
Quote:
Originally Posted by junkrok View Post

just a korean reseller on newegg. Kind of deceiving that newegg does that, but I guess amazon is the same.

true but still gives others an option to buy them that dont know about overclock.net or the other sellers on ebay. My gfs brother only buys computer parts from newegg and wouldnt trust ebay etc, so people like him are now open to these monitors biggrin.gif
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post #5160 of 25904
I made a thread with a question about an issue to do with a dark grey bar when overclocked, but figured I'd post it in here to see what comes of it: http://www.overclock.net/t/1414965/qnix-qx2710-vertical-gray-bar-in-120hz/0_100

View at 120hz: http://i.imgur.com/X2EjoMi.jpg
60hz: http://i.imgur.com/50V2rCf.jpg
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