What is "display device"

Display \Dis*play"\, n.

1. An opening or unfolding; exhibition; manifestation.

   Having witnessed displays of his power and grace.
   --Trench.

2. Ostentatious show; exhibition for effect; parade.

   He died, as erring man should die, Without display, without parade.
   --Byron.

3. (Electronics) An electronic device on which the output signal of another electronic device may be presented in a visual form; -- also called display device. Typically the display device it is the screen of a cathode-ray tube, as in a computer monitor, but other forms of visual display such as LED or liquid crystal devices are also used. The printed output from a computer or other device is not considered as a display.

4. (Computers) The output signal from a computer program, displayed on a display device. The displayed signal may consist of letters, numbers, or any graphical image.

5. (Biology) a pattern of behavior, such as showing a body part to another animal, by which one animal conveys information to another, as for mating or defense.

A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people). When the input information is supplied as an electrical signal, the display is called an electronic display.

Common applications for electronic visual displays are televisions or computer monitors.