Samsung LT-P468W Owner's Instructions Manual page 2

Precautions When Displaying a Still Image
A still image may cause permanent damage to the TV screen.
If the borders at the left, right and the
center of the screen remain fixed for
Caution
an extended period of time, the
amount of light transmission will also
remain varied and as a result the
borders may leave traces.
If the borders at the top, bottom and
the center of the screen remain fixed
Caution
for an extended period of time, the
amount of light transmission will also
remain varied and as a result the
borders may leave traces.