Product Specification of 42XGA PDP Module
5. IMAGE STICKING CHARACTERISTICS
The relationship between integrated lighting time and brightness in this plasma module is described in
the attached material. In particular, the deterioration in brightness tends to be accelerated up to 100
hours in the initial period. In the initial period, the fixed display of patterns particularly tends to cause
image sticking. The practical value for image sticking is difficult in concrete numerals. As described
below, you are advised to take proper measures to make the occurrence of image sticking as slow as
possible.
Image Sticking
The fluorescent substance used in the plasma module loses its brightness with the lapse of lighting
time. This deterioration in brightness appears to be a difference in brightness in relation to the
surroundings, and comes to be recognized as image sticking.
In other words, the image sticking is defined as follows: when the same pattern (of the fixed display)
is displayed for a long time, a difference in brightness is caused around the lighting area and non-
lighting area due to deterioration in the fluorescent substance.
When the present pattern is changed over to another one, the boundary comes to be seen between
the lighting area and non-lighting area due to difference in brightness in the pattern shown shortly
before changeover. If this conditions is accumulated, the boundary or image sticking comes to be
seen with the naked eyes.
Secular change in brightness
The life of brightness, defined as the reduction to half the initial level, is more than 25 thousand hours
on average.
Conditions: All white (100% white) input at an ambient temperature of 25
°
C.
However, this lifetime is not a guarantee value for life and brightness. It should be recognized simply as
the data for reference.
Warranty
Image sticking and faults in brightness and picture elements are excluded from the warranty objects.
Cause of deterioration in brightness
A major possible cause of deterioration in brightness is damage in the fluorescent substance due to
impact caused by ions generated at the time of plasma discharges.
Practical value for Image sticking
125/148
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