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A display device is an output device
Output device

An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system to the outside world....
 for presentation of information
Information

Information as a Conveyed concept has a diversity of meanings, from everyday usage to technical settings. Generally speaking, the concept of information is closely related to notions of constraint, communication, control system, data, form, instruction, knowledge, Meaning , stimulation, pattern, perception, and knowledge representation....
 for visual, tactile or auditive
Hearing (sense)

Hearing is one of the traditional five senses. It is the ability to perceive sound by detecting vibrations via an organ such as the ear. The inability to hear is called deafness....
 reception, acquired, stored, or transmitted in various forms. When the input information is supplied as an electrical signal, the display is called electronic display.






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Anzeigen(displays)
A display device is an output device
Output device

An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system to the outside world....
 for presentation of information
Information

Information as a Conveyed concept has a diversity of meanings, from everyday usage to technical settings. Generally speaking, the concept of information is closely related to notions of constraint, communication, control system, data, form, instruction, knowledge, Meaning , stimulation, pattern, perception, and knowledge representation....
 for visual, tactile or auditive
Hearing (sense)

Hearing is one of the traditional five senses. It is the ability to perceive sound by detecting vibrations via an organ such as the ear. The inability to hear is called deafness....
 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, tactile and auditive
Hearing (sense)

Hearing is one of the traditional five senses. It is the ability to perceive sound by detecting vibrations via an organ such as the ear. The inability to hear is called deafness....
 information.

Tactile electronic displays
Refreshable Braille display

A refreshable Braille display or Braille terminal is an electro-mechanical device for displaying Braille characters, usually by means of raising dots through holes in a flat surface....
 (aka refreshable Braille display
Refreshable Braille display

A refreshable Braille display or Braille terminal is an electro-mechanical device for displaying Braille characters, usually by means of raising dots through holes in a flat surface....
) 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.

Common applications for electronic visual displays are television set
Television set

A television set is a device used to view television broadcasts, not to be confused with Video monitor, which are unable to independently tune into over-the-air broadcasts....
s or computer monitors.

Early devices

  • IBM 740
    IBM 740

    The IBM 740 CRT Recorder was announced in 1954 and used with the IBM 701, IBM 704, and IBM 709 computers to draw vector graphics images on 35 mm film photographic film ....
  • IBM 2250
    IBM 2250

    The IBM 2250 Graphics Display Unit was announced as part of System/360 in 1964. Unlike most modern computer displays, which show images in raster format, the IBM 2250 used vector graphics....
  • IBM 1627
    IBM 1627

    The IBM 1627 was a Rebranding Calcomp plotter sold by IBM for use with the IBM 1620, and, later, the IBM 1130 computers. It became perhaps the first non-IBM peripheral that IBM allowed to be attached to one of its computers....
  • Tektronix 4014
    Tektronix 4014

    Tektronix' 4000 series was a family of text and graphics computer terminals based on the company's storage tube technology. No additional electronics were needed to maintain the display, so the 4000 series were less expensive than earlier graphics terminals and became widely used in the computer aided design market in the 1970s and 80s....
  • Cathode ray tube
    Cathode ray tube

    The cathode ray tube is a vacuum tube containing an electron gun and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen....
     (CRT)
    • Storage tube
      Storage tube

      Mostly obsolete, a storage tube is a special monochromatic cathode-ray tube whose screen has a kind of 'memory' : when a portion of the screen is illuminated by the CRT's electron gun, it stays lit until a screen erase command is given....
  • Bistable display
  • Electronic paper
    Electronic paper

    Electronic paper, also called e-paper, is a display device technology designed to mimic the appearance of ordinary ink on paper. Unlike a conventional flat panel display, which uses a backlight to illuminate its pixels, electronic paper reflects light like ordinary paper and is capable of holding text and images indefinitely without dr...
  • Nixie tube
    Nixie tube

    A nixie tube is an electronics device for display device. The glass tube contains a wire-mesh anode and multiple cathodes. In most tubes, the cathodes are shaped like Hindu-Arabic numeral system....
     displays
  • Vector display
    Vector graphics

    Vector graphics is the use of geometrical Primitive s such as point s, line , curves, and shapes or polygon, which are all based upon mathematical equations, to represent s in computer graphics....
  • Flat panel display
    Flat panel display

    Flat panel displays encompass a growing number of technologies enabling video displays that are lighter and much thinner than traditional television and video displays that use cathode ray tubes, and are usually less than 4 inches thick....
  • Vacuum fluorescent display
    Vacuum fluorescent display

    A vacuum fluorescent display is a display device used commonly on consumer-electronics equipment such as video cassette recorders, car radios, and microwave ovens....
     (VF)
  • Light-emitting diode
    Light-emitting diode

    A light-emitting diode , is an electronic light source. The LED was discovered in the early 20th century, and introduced as a practical electronic component in 1962....
     (LED) displays
  • ELD
    Eld

    Eld is the third full-length album release by Norway progressive metal band Enslaved ....
  • Plasma display panels (PDP)
    Plasma display

    A plasma display panel is a type of flat panel display common to large television displays . Many tiny cells between two panels of glass hold an inert mixture of noble gases....
  • Liquid crystal display
    Liquid crystal display

    A liquid crystal display is an Electro-optic modulator shaped into a thin, flat panel made up of any number of color or monochrome pixels filled with liquid crystals and arrayed in front of a Light#Light sources or reflector....
     (LCD)
    • HPA display
    • Thin-film transistor
      Thin-film transistor

      A thin-film transistor is a special kind of field-effect transistor made by depositing thin films of a semiconductor active layer as well as the dielectric layer and metallic contacts over a supporting Substrate ....
       displays (TFT)
  • Organic light-emitting diode
    Organic light-emitting diode

    An Organic Light Emitting Diode , also Light Emitting Polymer and Organic Electro Luminescence , is any Light Emitting Diode whose Emission electroluminescence layer is composed of a film of organic compounds....
     displays (OLED)
  • Surface-conduction electron-emitter display
    Surface-conduction Electron-emitter Display

    A surface-conduction electron-emitter display is a flat panel display technology that uses surface conduction electron emitters for every individual display pixel....
     (SED) (experimental)
  • Laser TV
    Laser TV

    Laser TV is a new video display technology using laser optoelectronics....
     (forthcoming)
  • Carbon nanotube
    Carbon nanotube

    Carbon nanotubes are allotropes of carbon with a nanostructure that can have a length-to-diameter ratio of up to 28,000,000:1, which is significantly larger than any other material....
    s (experimental)
  • Nanocrystal display
    Nanocrystal display

    Nanocrystal displays are a new type of experimental display that uses robotic muscles to control small prisms that have white light shining through them....
    s (experimental), using quantum dots to make vibrant, flexible screens.
  • Head-mounted display
    Head-mounted display

    A head-mounted display or Helmet mounted display, both abbreviated 'HMD', is a display device, worn on the head or as part of a helmet, that has a small display optic in front of one or each eye ....


Paper


  • Computer printer
    Computer printer

    File:Lexmark X5100 Series.jpgIn computing, a printer is a peripheral which produces a hard copy of documents stored in computer file form, usually on physical print media such as paper or Transparency ....
    s
    • Laser printer
      Laser printer

      A laser printer is a common type of computer printer that rapidly produces high quality text and graphics on plain paper. As with digital photocopiers and multifunction printers , laser printers employ a Xerography printing process but differ from analog photocopiers in that the image is produced by the direct scanning of a laser beam acros...
    • Inkjet printer
      Inkjet printer

      File:Canon BJ-10v Lite inkjet printer with Scale.JPGInkjet printers operate by propelling variably-sized droplets of liquid or molten material onto almost any sized page....
    • Electrostatic printer
    • Thermal printer
      Thermal printer

      A thermal printer produces a printed image by selectively heating coated thermochromic paper, or thermal paper as it is commonly known, when the paper passes over the thermal Computer printer....
    • Industrial digital printer
      Industrial digital printer

      Industrial Digital Printers can be divided into a variety of different categories. As the industry becomes more mature, and the number of manufacturers increases, the line between the broad descriptions becomes less defined....
  • Plotter
    Plotter

    A plotter is a vector graphics computer printer to print graphical Plot , that connects to a computer. There are two types of main plotters. Those are pen plotters and electrostatic plotters....
    s


Projectors

  • Film
    Film

    Film encompasses individual motion pictures, the field of film as an art form, and the film industry. Films are produced by recording images from the world with cameras, or by creating images using animation techniques or special effects....
     projectors
    • Movie projector
      Movie projector

      A movie projector is an optics-mechanics device for displaying Film by projecting them on a movie screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras....
    • Slide projector
      Slide projector

      A slide projector is an opto-mechanical device to view Photography Transparency . It has four main elements: a fan-cooled electric light bulb or other light source, a reflector and "condensing" lens to direct the light to the slide, a holder for the slide and a focusing lens ....
  • Digital projector
    • Video projector
      Video projector

      A video projector takes a video Signalling and projects the corresponding image on a projection screen using a lens system. All video projectors use a very bright light to project the image, and most modern ones can correct any curves, blurriness, and other inconsistencies through manual settings....
    • LCD projector
      LCD projector

      An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern analog of the slide projector or overhead projector. ...
  • Laser projector
  • Head-up display
    Head-Up Display

    A head-up display, or HUD, is any transparent display that presents data without requiring the user to look away from his or her usual viewpoint....

Three dimensional


  • Swept-volume display
    Swept-volume display

    A swept-volume display is a volumetric display in which the three-Dimension is formed by illuminating a rapidly moving display surface, which may be "macroscopically" physical or otherwise ....
  • Varifocal mirror display
  • Emissive volume display
  • Laser display
  • Holographic display

Mechanical types

  • Ticker tape
    Ticker tape

    Ticker tape was used by ticker tape machines, the Ticker tape timer, stock ticker machines, or just stock tickers....
     (historical)
  • Split-flap display
    Split-flap display

    A split-flap display, sometimes simply flap display, is a display device that presents alphanumeric Character , and possibly fixed graphics....
     (or simply flap display)
  • Flip-disc display
    Flip-disc display

    The flip-disc display is an electromechanical dot matrix display technology used for large outdoor signs, normally those that will be exposed to direct sunlight....
     (or flip-dot display)
  • Rollsign
    Rollsign

    A rollsign, roll sign, bus blind, destination blind or destination film is a mechanical display used to indicate the destination....


Refreshable Braille display

See also Optacon
Optacon

The Optacon is an electromechanical device that enables blind people to read printed material that has not been transcribed into Braille....
.

Idiot lights

The "Check Engine" light on an automobile dashboard is the quintessential idiot light, giving only the information that something is amiss, but not what particular subsystem or component, nor how urgent the problem is. Neither does it give any information about issues that may be still within acceptable limits, but trending towards failure.

Segment displays

Some displays can show only digit
Numerical digit

In mathematics and computer science, a digit is a symbol used in numerals , to represent numbers, in Positional notation numeral systems. The name "digit" comes from the fact that the 10 digits of the hands correspond to the 10 symbols of the common base 10 number system, i.e....
s or alphanumeric
Alphanumeric

Alphanumeric is a portmanteau of alphabetic and numeric and is used to describe the collection of Latin alphabet and Arabic numerals used by much of western society....
 characters. They are called segment displays, because they are composed of several segments that switch on and off to give appearance of desired glyph
Glyph

A glyph is an element of writing. Two or more glyphs representing the same symbol, whether interchangeable or context-dependent, are called allographs; the abstract unit they are variants of is called a grapheme or character ....
. 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
  • HD44780 Character LCD
    HD44780 Character LCD

    An HD44780 Character LCD is a de facto standard industry standard liquid crystal display display device designed for interfacing with embedded systems....
     a widely accepted protocol for LCDs.


Misc

  • Film recorder
    Film recorder

    A Film Recorder is a graphical output device for transferring digital images to photographic film.All film recorders typically work in the same manner....


See also

  • Comparison of display technology
    Comparison of display technology

    This is a comparison of various properties of different display technologies....
  • Large-screen television technology
    Large-screen television technology

    Large-screen television technology developed rapidly in the late 1990s and 2000s. Various flat screen technologies are being developed, but only the liquid crystal display , plasma display and Digital Light Processing were released on the public market....
  • Video monitor
    Video monitor

    A video monitor also called a broadcast monitor, broadcast reference monitor or just reference monitor, is a device similar to a television, used to monitor the output of a video-generating device, such as a media playout Server , IRD, video camera, VCR, or DVD player....
  • Times Square
    Times Square

    Times Square is a major intersection in Manhattan, a borough of New York City at the junction of Broadway and Seventh Avenue and stretching from West 42nd Street to West 47th Street s....
    , where numerous display devices can be seen in use
  • Haptic
    Haptic

    Haptic technology refers to technology that interfaces to the user via the sense of touch by applying forces, vibrations, and/or motions to the user....
     technology
  • Graphical user interface
    Graphical user interface

    A graphical user interface is a type of user interface which allows people to human-computer interaction such as computers; hand-held devices such as MP3 Players, Portable Media Players or Gaming devices; household appliances and office equipment....
    s
  • CAD
  • Computer-controlled milling machines
  • Rapid prototyping
    Rapid prototyping

    Rapid prototyping is the automatic construction of physical objects using solid freeform fabrication. The first techniques for rapid prototyping became available in the late 1980s and were used to produce models and prototype parts....
  • Digital image processing
    Digital image processing

    Digital image processing is the use of computer algorithms to perform on digital images. As a subfield of digital signal processing, digital image processing has many advantages over analog image processing; it allows a much wider range of algorithms to be applied to the input data, and can avoid problems such as the build-up of noise and si...
  • Vector graphics
    Vector graphics

    Vector graphics is the use of geometrical Primitive s such as point s, line , curves, and shapes or polygon, which are all based upon mathematical equations, to represent s in computer graphics....
     vs. Raster graphics
    Raster graphics

    In computer graphics, a raster graphics image or bitmap, is a data structure representing a generally Rectangle grid of pixels, or points of color, viewable via a Computer display, paper, or other display medium....
  • Video card
    Video card

    A video card, also known as a graphics accelerator card, display adapter, or graphics card, is an expansion card whose function is to generate and output images to a display....
  • Graphics chip
  • Computer graphics
    Computer graphics

    Computer graphics are graphics created by computers and, more generally, the representation and manipulation of pictorial data by a computer....
  • Myvu
    MyVu

    MyVu Personal Media Viewer refers to a product family of wearable video display glasses released by MyVu Corporatation.MyVu provides increased viewing usability and portability for users....


External links

  • - An international professional organization dedicated to the study of display technology
  • - The Online Magazine for Displays
  • - Solari di Udine