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Encyclopedia > Comparison of display technology

This is a comparison of various properties of different display technologies.

Contents

General characteristics

Shape of Screen
Highest known
diagonal screen size
Typical Use Usable in bright room
(in) (cm)
Eidophor Front Projection Flat
(limited only
by brightness)
TV No
Shadow mask CRT Spherical curve or flat
40 [1]
102
Computer monitor, TV Yes
Aperture grille CRT Cylindrical curve or flat
40 [2]
102
Computer monitor, TV Yes
Direct view Charactron CRT Spherical curve
24
60
Computer monitor,
Radar display
No
CRT Self-contained Rear Projection Flat lenticular
73 [3]
185
TV Yes
CRT Front Projection Flat
(limited only
by brightness)
TV or presentation No
PDP (Plasma Display Panel) Flat
103 [4]
262
TV Yes
Direct View LCD Flat
108 [5]
274
Computer monitor, TV Yes
LCD Self-contained Rear Projection Flat lenticular
70 [6]
178
TV Yes
LCD Front Projection Flat
(limited only
by brightness)
TV or presentation Yes
DLP Self-contained Rear Projection Flat lenticular
120 [7]
305
TV Yes
DLP Front Projection Flat
(limited only
by brightness)
TV or presentation Yes
D-ILA Self-contained Rear Projection Flat
110
279
TV Yes
LCoS Self-contained Rear Projection Flat
110 [8]
279
TV Yes
LCoS Front Projection Flat
(limited only
by brightness)
TV or presentation Yes
SED Flat
55 [9]
140
Computer monitor, TV Yes
FED Flat
?
?
Computer monitor, TV Yes
OLED Flat
40 [10]
102
Computer monitor, TV Yes
IMOD Flat
?
?
Mobile phone[11] Yes
Virtual retinal display Any shape
(N/A)
Experimental, possibly virtual reality Depends on system

An Eidophor was a television projector used to create theatre-sized images. ... “TV” redirects here. ... The shadow mask is one of two major technologies used to manufacture cathode ray tube (CRT) televisions and computer displays that produce color images (the other is aperture grille). ... Cathode ray tube employing electromagnetic focus and deflection Cutaway rendering of a color CRT: 1. ... A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. ... “TV” redirects here. ... Aperture grille in close-up An aperture grille (tension mask) is one of two major technologies used to manufacture cathode ray tube (CRT) televisions and computer displays; the other is shadow mask. ... Cathode ray tube employing electromagnetic focus and deflection Cutaway rendering of a color CRT: 1. ... A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. ... “TV” redirects here. ... A Charactron was a specific type of cathode ray tube that contained a form of read-only memory. ... Cathode ray tube employing electromagnetic focus and deflection Cutaway rendering of a color CRT: 1. ... A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. ... This long range radar antenna, known as ALTAIR, is used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on the Kwajalein atoll. ... Cathode ray tube employing electromagnetic focus and deflection Cutaway rendering of a color CRT: 1. ... A lenticular lens is a single convex lens that magnifies light through a prism effect. ... “TV” redirects here. ... Cathode ray tube employing electromagnetic focus and deflection Cutaway rendering of a color CRT: 1. ... “TV” redirects here. ... Planar Systems plasma display Composition of plasma display panel A plasma display panel (PDP) is a type of flat panel display now commonly used for large TV displays (typically above 37 or 940 mm). ... “TV” redirects here. ... LCD redirects here. ... A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. ... “TV” redirects here. ... An LCD projector is a device utilized for displaying video images or data. ... A lenticular lens is a single convex lens that magnifies light through a prism effect. ... “TV” redirects here. ... An LCD projector is a device utilized for displaying video images or data. ... “TV” redirects here. ... The DLP Logo Digital Light Processing (DLP) is a technology used in projectors and video projectors. ... A lenticular lens is a single convex lens that magnifies light through a prism effect. ... “TV” redirects here. ... The DLP Logo Digital Light Processing (DLP) is a technology used in projectors and video projectors. ... “TV” redirects here. ... Liquid crystal on silicon (LCOS or LCoS) is a micro-projection or micro-display technology typically applied in projection televisions. ... “TV” redirects here. ... Liquid crystal on silicon (LCOS or LCoS) is a micro-projection or micro-display technology typically applied in projection televisions. ... “TV” redirects here. ... Liquid crystal on silicon (LCOS or LCoS) is a micro-projection or micro-display technology typically applied in projection televisions. ... “TV” redirects here. ... A surface-conduction electron-emitter display (SED) is a flat panel display technology that uses surface conduction electron emitters for every individual display pixel. ... A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. ... “TV” redirects here. ... A field emission display (FED) is a type of flat panel display using phosphor coatings as the emissive medium. ... A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. ... “TV” redirects here. ... A 3. ... A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. ... “TV” redirects here. ... Interferometric modulator display (IMOD)[1] is an electronic display technology that exploits microscopic mechanical structures that reflect light in such a way that specific wavelengths interfere with each other to create vivid colors, like those of a butterflys wings. ... A virtual retinal display (VRD), also known as a retinal scan display (RSD), is a new display technology that draws a raster display (like a television) directly onto the retina of the eye. ... Virtual reality (VR) is a technology which allows a user to interact with a computer-simulated environment, be it a real or imagined one. ...

Temporal characteristics

Different display technologies have vastly different temporal characteristics, leading to claimed perceptual differences for motion, flicker etc.

Sketch of some common display technologies' temporal behaviour

The figure shows a sketch of how different technologies present a single white/gray frame. Time and intensity is not to scale. Notice that some have a fixed intensity, while the illuminated period is variable. This is a kind of pulse-width modulation. Others can vary the actual intensity in response to the input signal. Image File history File links Download high-resolution version (960x720, 9 KB) author: knutinh(me) I, the creator of this work, hereby release it into the public domain. ... Image File history File links Download high-resolution version (960x720, 9 KB) author: knutinh(me) I, the creator of this work, hereby release it into the public domain. ...


DLPs use a kind of "chromatic multiplex" in which each color is presented serially. The intensity is varied by modulating the "on" time of each pixel within the time-span of one color.


LCDs have a constant (backlit) image, where the intensity is varied by blocking the light shining through the panel.


CRTs use an electron beam, scanning the display, flashing a lit image. If interlacing is used, a single full-resolution image results in two "flashes".


Plasma displays modulate the "on" time of each sub-pixel, similar to DLP.


Movie theaters use a mechanical shutter to "flash" the same frame 2 or 3 times, increasing the flicker frequency to make it less perceptible to the human eye.


See also

Large-Screen Television Technology Large-screen television technology developed rapidly in the late 1990’s and 2000’s, and currently the most popular technologies are liquid crystal display (LCD), plasma display, and projection television. ...


References

  1. ^ Shadow mask CRT
  2. ^ Aperture grille CRT
  3. ^ Self-contained Rear Projection CRT
  4. ^ Plasma Display Panel
  5. ^ Direct View LCD
  6. ^ LCD Rear Projection
  7. ^ DLP
  8. ^ LCoS
  9. ^ SED
  10. ^ OLED
  11. ^ IMOD

  Results from FactBites:
 
display: Definition, Synonyms and Much More from Answers.com (807 words)
Displays are differentiated by their placement and type-for example, window displays, in-store displays, floor displays, or point-of-purchase advertising displays.
Displays are used most frequently as collateral material in advertising campaigns, and show a relationship to the campaign through the use of an identifying mark as a visual symbol or logo.
Display type is heavier and sometimes larger than textual type and is used in copy for emphasis, or for headlines in advertising, or for chapter titles, subheads, and the like in books or journals.
  More results at FactBites »

 
 

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