Though most modern monitors are not susceptible to this issue (with the notable exception of OLED technology, which has individual pixels vulnerable to burnout), screensaver programs are still used for other purposes. The original purpose of screensavers was to prevent phosphor burn-in on CRT or plasma computer monitors (hence the name).

For CAD scripts, see CadSoft EAGLE.Ī screensaver (or screen saver) is a computer program that blanks the display screen or fills it with moving images or patterns when the computer has been idle for a designated time.