Abstract
A technique for quantitatively measuring the image retention
is suggested. This work focuses on dark image retention, which occurs during
the reset period. To investigate the dark image retention phenomenon, characteristics
of reset discharge were observed in accordance with the slope of the reset
pulse. The temporal behaviors of luminance, chromatistic values, and infra
red emission were observed with the black-level image after a five-minute
repeatedly strong discharge. The image retention time of the luminance and
chromatistic values increased with a decrease in the rising time of the reset
ramp pulse. For the case of infrared (IR) emission, there was no clear tendency,
in contrast with the image retention or temporal image sticking phenomenon.
The results indicate that measurement of the temporal behaviors of luminance
and chromatistic values provide suitable measurement for investigating the
image retention in AC plasma display panels (PDPs), whereas the IR emission
does not provide a useful guide in this regard.
© 2008 IEEE
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