Volatile
Volatile displays require that pixels be periodically refreshed to retain their state, even for a static image. This refresh typically occurs many times a second. If this is not done, the pixels will gradually lose their coherent state, and the image will "fade" from the screen.
Read more about this topic: Flat Panel Display
Famous quotes containing the word volatile:
“The volatile truth of our words should continually betray the inadequacy of the residual statement. Their truth is instantly translated; its literal monument alone remains.”
—Henry David Thoreau (1817–1862)