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Thread: ViewSonic shows off 22-inch 120Hz LCD monitor at NVISION 08

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  1. #11
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    Quote Originally Posted by Sr7 View Post
    That doesn't even make sense.. what do you mean "not if LCD's don't use a refresh rate"? They do...
    Ok, if LCD's are constantly lit, no pixel refresh, they don't use a refresh rate. It's completely artificial, it doesn't happen.

    "LCDs employ a separate backlight to illuminate the image being portrayed by the LCD's liquid crystal shutters. The shutters themselves do not have a "refresh rate" as such due to the fact that they always stay at whatever opacity they were last instructed to continuously, and do not become more or less transparent until instructed to produce a different opacity.

    The closest thing liquid crystal shutters have to a refresh rate is their response time, while nearly all LCD backlights (most notably fluorescent cathodes, which commonly operate at ~200Hz) have a separate figure known as flicker, which describes how many times a second the backlight pulses on and off."
    Last edited by Swatrecon_; 08-26-2008 at 09:21 PM.
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