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Discussion Starter · #1 ·
What happens if the refresh rate of an LCD panel is set higher than the panel's response time allows for? (The response time is so high that the screen is too slow to be able to update as often as is specified by the refresh rate.) Let's say that the refresh rate is set to 60 Hz. Does the panel indeed update 60 times per second, with each update being somewhat incomplete due to the high response time? Or does the panel allow each update to complete before the next update is commenced, thus in effect reducing the refresh rate dynamically? The former seems a great deal more likely and might be the cause of the infamous trail effect (smearing in games and DVDs). What are your thoughts on the matter?


Would it be better to lower the refresh rate below 60 Hz, so that each update has enough time to complete? Would that improve the image quality and/or the ability to display fast moving content more accurately (i.e. reduce trailing)?


Presumably the converse (lower response time than is required by the refresh rate) should not be a problem, right? That would most likely only result in the pixels being idle for a while between having completed one update and beginning another update. True?


Does it matter whether vertical synch is enabled or disabled?


Thank you in advance!
 
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