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Recent content by ricki
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New Eizo EV2335.
@Tup3x PWM is used for backlight dimming it has nothing to do with vertical refresh rate 60/75Hz. -
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New Eizo EV2335.
@sblantipodi Yes i disabled eco-view. Your monitor S2433WFS has ccfl-backlight not LED so flickering is not noticable even for me. Only LED displays have this aggressive PWM flickering because LEDs react faster than CCFLs. -> flicker test: http://hardforum.com/showthread.php?t=1646980 Info... -
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New Eizo EV2335.
most modern LED displays suffer from that, but a lot of people don´t realize PWM flickering... for me it´s very annoying because my eyes get tired very fast... you have to try it yourself to find out if it´s a problem for you too. -
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New Eizo EV2335.
yes...but i have sent it back. It has very very good picture, very sharp, very good colors, very light AG-coating, very good illumination ...but the LED backlight is flickering (PWM). Not everybody can see it but if you are sensible to it it will strain your eyes... For me it´s the best... -
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HP ZR2440w, any reviews?
very good (german) review online! http://www.hardwareluxx.de/community/f111/hp-zr2440w-850609.html -
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HP ZR2440w, any reviews?
Currently only one (the first) PWM-Test ist online (as preview) for that display: http://www.prad.de/new/monitore/test/2011/test-hp-compaq-le2202x.html but here is some info about PWM flickering: http://www.prad.de/new/monitore/specials/backlight.html... -
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HP ZR2440w, any reviews?
Many people don´t notice it - but there are also many getting eyestrain or headache. Maybe tftcentral-testers are not sensible to PWM-flickering www.prad.de includes a PWM-flickering test in all new reviews.. it is a big issue for many people - believe me. this guy also tests it... -
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HP ZR2440w, any reviews?
really strange... i never saw this effect on CCFL monitors. Normally CCFL reacts too slow that PWM can cause visible flickering. Maybe the Samsung doesn´t use PWM for dimming - some (very few) LED monitors use backlight dimming by reducing the power. The ZR2740w doesn´t flicker too (regarding... -
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HP ZR2440w, any reviews?
Unfortunately it does! Someone on www.amazon.de made the finger-test with the U2412M and confirmed a stroboscope effect at lower brightness settings. A guy on prad.de posted something about eye-strain with the ZR2440w - he thinks it´s caused by IPS-technology but i think it´s caused by... -
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HP ZR2440w, any reviews?
http://h18004.www1.hp.com/products/quickspecs/14145_na/14145_na.pdf HP says the ZR2440w supports up to 16,7 million colors (** With the use of FRC technology) -> so its 6-bit+FRC like most actual e-IPS panels... You will not see any difference between true 8-bit and 6-bit+FRC... -
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viewing distance 27" diaplay?
Hi, i´d like to know what´s your seat pitch to your 27" display (resolution: 2560 x 1440)? A German certificate for e.g. HP ZR2740w says it should be 1,097m. http://666kb.com/i/byfimqmdwjclp4vpd.gif -
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HP ZR2440w, any reviews?
very nice - thanks for info! found a 1st short review here: http://compreviews.about.com/od/monitors/fr/HP-ZR2440w.htm -
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HP ZR2440w, any reviews?
i hope there will be reviews soon... http://www.prad.de is testing this display currently. They say that the ZR2740w is one of the rare models with completely flickerfree LED backlight - i hope ZR2440w is flickerfree too ! For those of you speaking german (or are able to use... -
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PWM flickering - your experience
Hi, please tell your experiences about PWM-flickering in this thread. Here is some info: PWM (pulse width modulation) is used for dimming the backlight. Because LEDs react very quickly this technique can cause flickering (if the PWM module is cheap/poor). Some people can see it - some not...