History of Display Technology
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History of Display Technology

Electrically operated display devices have developed from electromechanical systems for display of text, up to all-electronic devices capable of full-motion 3D color graphic displays. Electromagnetic devices, using a solenoid coil to control a visible flag or flap, were the earliest type, and were used for text displays such as stock market prices and arrival/departure display times. The cathode ray tube was the workhorse of text and video display technology for several decades until being displaced by plasma, liquid crystal (LCD) and solid-state devices such as LEDs and OLEDs. With the advent of microprocessors and microelectronic devices, many more individual picture elements ("pixels") could be incorporated into one display device, allowing graphic displays and video.


One of the earliest electronic displays is the cathode ray tube (CRT), which was first demonstrated in 1897 and made commercial in 1922.[1] The CRT consists of an electron gun that forms images by firing electrons onto a phosphor-coated screen. The earliest CRTs were monochrome and were used primarily in oscilloscopes and black and white televisions. The first commercial colour CRT was produced in 1954.[2] CRTs were the single most popular display technology used in television sets and computer monitors for over half a century; it was not until the 2000s that LCDs began to gradually replace them.

A derivative of CRTs were storage tubes, which had the ability to retain information displayed on them, unlike standard CRTs which need to be refreshed periodically. In 1968, Tektronix introduced the Direct-View Bistable Storage Tube, which went on to be widely used in oscilloscopes and computer terminals.[3]

Cathode ray tube

Monochrome CRT

1922 Monochrome cathode ray tube:

Dual trace, showing different time bases on each trace.

Color CRT

1954 Color cathode ray tube for the display of color television:[4]

Direct-View Bistable Storage Tube

1968[3] The Direct-View Bistable Storage Tube CRT retains static information displayed upon it, written using a steerable electron beam that can be turned off. In principle the DVBST is similar to an Etch-a-Sketch, and was used in vector displays of early computers and in oscilloscopes.

Tektronix 4014 with a "DVBST" storage display screen

Flip-flap/disc display

1957 Split-flap display:

Fallblattanzeigetafel ausschnitt ffm hbf.jpg

1961 Flip-disc display:


Monochrome plasma display

1964 Monochrome plasma display:

Plasma displays were first used in PLATO computer terminals. This PLATO V model illustrates the display's monochromatic orange glow as seen in 1988.

Light-emitting diode

1968 Light-emitting diode:

LED destination displays on buses, one with a colored route number.
Outdoor 4 x 3 m large LED screen in Jelgava, Latvia.

Eggcrate display

1968 Eggcrate display

Vacuum fluorescent display

1967 Vacuum fluorescent display as used in consumer electronics.

Vacuum fluorescent display used in a videocassette recorder.
VFD raster display

Twisted nematic field effect LCD

1971 Twisted nematic field effect LCD [5][6]


Super-twisted nematic LCD

1984 Super-twisted nematic display (STN LCD) to improve passive-matrix LCDs, allowing for the first time higher resolution panels with 540x270 pixels.

Prototype Brown Boveri STN LCD with 540x270 pixels

Pin screen

Pin screen:

Pin art, Flickr.jpg

1969 Braille display:[7]

Refreshable Braille display

Thin film transistor LCD

1986 Color Thin-film-transistor liquid-crystal display:[8]

An ASUS Eee PC netbook.

Digital Light Processing

1987 optical micro-electro-mechanical technology that uses a digital micromirror device. While the Digital Light Processing (DLP) imaging device was invented by Texas Instruments, the first DLP-based projector was introduced by Digital Projection Ltd in 1997.

Full-color plasma display

1995 Full-color plasma display:[9]

Organic light-emitting diode

2003 Organic light-emitting diode display (OLED) [10]

Sony XEL-1, the world's first OLED TV

2003 Active-matrix OLED (AMOLED):[11]

Galaxy note.jpg

Electronic paper

2004 Electronic paper:[12]

iLiad E-book reader equipped with e-paper display
iLiad in sunlight

Electroluminescent display

1974 Electroluminescent display (ELD):[13]

Stroboscopic display

1960s Stroboscopic display:[14][15] In the 1960s RASA Calculator (Russian), a small motor spins a cylinder that has number of transparent numerals. To display a numeral, the calculator briefly flashes a thyratron light behind it when it position before thyratron.

See also


  1. ^ "Cathode Ray Tube and its Applications". International Journal of Innovative Research in Technology. 1.
  2. ^ - monitornerds.com - History of PC Monitors
  3. ^ a b medical-answers.org - Tektronix 4014 Archived 2012-03-22 at the Wayback Machine.
  4. ^ - earlytelevision.org - Picture Tubes, 15GP22 Color CRT
  5. ^ Voltage-Dependent Optical Activity of a Twisted Nematic Liquid Crystal (TN-LCD); M. Schadt and W. Helfrich. Phys. Rev. Lett. 27, 561 (1971)
  6. ^ Joseph Castellano, "Modifying Light', American Scientist, September-October 2006
  7. ^ U.S. Patent 3,594,787;
  8. ^ auburn.edu - Note on the Liquid Crystal Display Industry Archived 2012-09-29 at the Wayback Machine.
  9. ^ indoclient.com - Television Development
  10. ^ rpi.edu - Lighting industry, Structure and technology in the transition to solid state
  11. ^ WP-de Organische Leuchtdiode 2011-05-17
  12. ^ hitech-projects.com - E-paper production flow - Adapting production workflow processes for digital newsprint Archived 2011-05-16 at the Wayback Machine.
  13. ^ faqs.org - Patent application title: Personal article with electron luminescent display
  14. ^ Stroboscopic display on the Soviet calculator "RASA" (video)
  15. ^ Soviet made "RASA" electronic calculator with stroboscopic display

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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