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Wikipedia

Display device

A display device is an output device for presentation of information in visual[1] or tactile form (the latter used for example in tactile electronic displays for blind people).[2] When the input information that is supplied has an electrical signal the display is called an electronic display.

Nixie tubes, LED display and VF display, top to bottom
Display board at Frankfurt (Main) Hauptbahnhof (2005)

Common applications for electronic visual displays are television sets or computer monitors.

Types of electronic displays edit

In use edit

These are the technologies used to create the various displays in use today.

Segment displays edit

 
Digital clocks display changing numerals
 
The common segment displays shown side by side: 7-segment, 9-segment, 14-segment and 16-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. Common types are seven-segment displays which are used for numerals only, and alphanumeric fourteen-segment displays and sixteen-segment displays which can display numerals and Roman alphabet letters.

Other types edit

Cathode-ray tubes were also formerly widely used.

Full-area 2-dimensional displays edit

2-dimensional displays that cover a full area (usually a rectangle) are also called video displays, since it is the main modality of presenting video.

Applications of full-area 2-dimensional displays edit

Full-area 2-dimensional displays are used in, for example:

Underlying technologies of full-area 2-dimensional displays edit

Underlying technologies for full-area 2-dimensional displays include:

The multiplexed display technique is used to drive most display devices.

Three-dimensional displays edit

Mechanical types edit

See also edit

References edit

  1. ^ Lemley, Linda. "Chapter 6: Output". Discovering Computers. University of West Florida. from the original on 14 June 2012. Retrieved 3 June 2012.
  2. ^ "Accommodations For Vision Disabilities". Energy.gov. Office of the Chief information Officer. from the original on 9 June 2012. Retrieved 3 June 2012.

External links edit

  • Society for Information Display - An international professional organization dedicated to the study of display technology
  • University of Waterloo Stratford Campus - A university that offers students the opportunity to display their work on the school's 3-storey Christie MicroTile wall.

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Display technologies redirects here For the defunct company see Display Technologies Inc This article has multiple issues Please help improve it or discuss these issues on the talk page Learn how and when to remove these template messages This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Display device news newspapers books scholar JSTOR April 2023 Learn how and when to remove this template message This article includes a list of references related reading or external links but its sources remain unclear because it lacks inline citations Please help improve this article by introducing more precise citations April 2023 Learn how and when to remove this template message Learn how and when to remove this template message A display device is an output device for presentation of information in visual 1 or tactile form the latter used for example in tactile electronic displays for blind people 2 When the input information that is supplied has an electrical signal the display is called an electronic display Nixie tubes LED display and VF display top to bottomDisplay board at Frankfurt Main Hauptbahnhof 2005 Common applications for electronic visual displays are television sets or computer monitors Contents 1 Types of electronic displays 1 1 In use 1 1 1 Segment displays 1 2 Other types 1 2 1 Full area 2 dimensional displays 1 2 1 1 Applications of full area 2 dimensional displays 1 2 1 2 Underlying technologies of full area 2 dimensional displays 1 2 2 Three dimensional displays 2 Mechanical types 3 See also 4 References 5 External linksTypes of electronic displays editMain article Electronic visual display In use edit These are the technologies used to create the various displays in use today Liquid crystal display LCD Light emitting diode LED backlit LCD Thin film transistor TFT LCD Quantum dot QLED display Light emitting diode LED display OLED display AMOLED display Super AMOLED display Segment displays edit nbsp Digital clocks display changing numerals nbsp The common segment displays shown side by side 7 segment 9 segment 14 segment and 16 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 Common types are seven segment displays which are used for numerals only and alphanumeric fourteen segment displays and sixteen segment displays which can display numerals and Roman alphabet letters Other types edit Vacuum fluorescent display Electroluminescent ELD display Plasma PDP display Laser powered phosphor display Cathode ray tubes were also formerly widely used Full area 2 dimensional displays edit 2 dimensional displays that cover a full area usually a rectangle are also called video displays since it is the main modality of presenting video Applications of full area 2 dimensional displays edit Full area 2 dimensional displays are used in for example Television set Computer monitors Head mounted displays Heads up displays and Virtual reality headsets Broadcast reference monitor Medical monitors Mobile displays for mobile devices Smartphone displays for smartphones Video walls Underlying technologies of full area 2 dimensional displays edit Underlying technologies for full area 2 dimensional displays include Cathode ray tube display CRT Light emitting diode display LED Electroluminescent display ELD Electronic paper E Ink Plasma display panel PDP Liquid crystal display LCD High performance addressing display HPA Thin film transistor display TFT Organic light emitting diode display OLED Digital Light Processing display DLP Surface conduction electron emitter display SED experimental Field emission display FED experimental Laser TV forthcoming Carbon nanotubes experimental Quantum dot display QLED Interferometric modulator display IMOD Digital microshutter display DMS microLED in development The multiplexed display technique is used to drive most display devices Three dimensional displays edit Swept volume display Laser display Holographic display Light field displays Further information Volumetric displayMechanical types editTicker tape historical Split flap display or simply flap display Flip disc display or flip dot display Vane display Rollsign Tactile electronic displays are usually intended for the blind They use electro mechanical parts to dynamically update a tactile image usually of text so that the image may be felt by the fingers Optacon using metal rods instead of light in order to convey images to blind people by tactile sensation See also edit nbsp Electronics portal Comparison of CRT LCD plasma and OLED displays Graphical user interfaces History of display technology User interface Input device Text displayReferences edit Lemley Linda Chapter 6 Output Discovering Computers University of West Florida Archived from the original on 14 June 2012 Retrieved 3 June 2012 Accommodations For Vision Disabilities Energy gov Office of the Chief information Officer Archived from the original on 9 June 2012 Retrieved 3 June 2012 External links edit nbsp Wikimedia Commons has media related to Display devices Society for Information Display An international professional organization dedicated to the study of display technology University of Waterloo Stratford Campus A university that offers students the opportunity to display their work on the school s 3 storey Christie MicroTile wall Retrieved from https en wikipedia org w index php title Display device amp oldid 1192340329, wikipedia, wiki, book, books, library,

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