Display device

From Wikipedia, the free encyclopedia

 This article or section is missing citations or needs footnotes.
Using inline citations helps guard against copyright violations and factual inaccuracies. (September 2007)
This article or section seems to contain embedded lists that may require cleanup.
To meet Wikipedia's style guidelines, please help improve this article by: removing items which are not notable, encyclopedic, or helpful from the list(s); incorporating appropriate items into the main body of the article; and discussing this issue on the talk page.
Nixie tubes, LED-display and VF display
Nixie tubes, LED-display and VF display

A display device is an output 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.

Common applications are for television sets or computer monitors.

Contents

[edit] Early devices

[edit] Electronic displays

Digital clock's display changing numbers.
Digital clock's display changing numbers.

[edit] Paper

[edit] Projectors

Further information: Projector

[edit] Three dimensional

Further information: Volumetric display

[edit] Mechanical types


[edit] Refreshable Braille display

See also Optacon.

[edit] 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. If the idiot light itself has failed, it will give no indication that it has done so.

[edit] 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:

[edit] Misc

[edit] See also

[edit] External links


v • d • e
Display technology
Video
Non-video
3D display
Static media
Comparison of display technology