Abstract
AbstractThis paper introduces a method for evaluation of the response times of LCDs when the measured temporal luminance function is dominated by periodic fluctuations induced by the pulse‐width modulation (PWM) circuit used for dimming of the backlight luminance. We present our implementation of deconvolution of the transition between the stationary states which is slowed‐down by the process of convolution (i.e. moving window averaging). with this method considerable errors in the evaluation of response times can easily be avoided and more realistic dynamic characteristics can be obtained for LCD‐monitors and LCD‐TVs. A second improved method is also outlined.
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