Display device

Other displays

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Digital electronic displays

Digital clock's display changing numbers.

Bistable display
Electronic paper
Nixie tube displays
VF display
LED displays (later)
ELD
Plasma display panels (PDP)
Liquid crystal displays (LCD) (most recent)

HPA display
Thin-film transistor displays (TFT) display

Organic light-emitting diode displays (OLED) (forthcoming)
SED (forthcoming)
Laser TV (forthcoming)
Carbon nanotubes (experimental)
Nanocrystal displays (experimental)- Using quantum dots to make vibrant, flexible screens.

Projectors

Film projectors

Movie projector
Slide projector

Digital projectors

Digital projector

Mechanical types

Ticker tape (historical)
Split-flap display (or simply flap display)
flip-disc display (or flip-dot display)
Rollsign

Segment displays

Some displays can show only digits or alphanumeric characters. They are called segment displays, because they are composed of several segments that switch on and off to give appearance of desired glyph. The segments are usually single LEDs or liquid crystals. They are mostly used in digital watches and pocket calculators. There are several types:

Seven segment display (most common, digits only)
Fourteen segment display
Sixteen segment display

Analog electronic displays

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Cathode ray tube (CRT) (earlier)

Display device

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A display device is a device for presentation of information for visual or tactile reception, acquired, stored, or transmitted in various forms. When the input information is supplied as an electrical signal, the display is called "electronic display". Electronic displays are available for presentation of visual and tactile information.

Tactile electronic displays are usually intended for the blind or visually impaired, they use electro-mechanical parts to dynamically update a tactile image (usually of text) so that the image may be felt by the fingers.