A large screen television is the dream of all entertainment enthusiasts. How about spending an evening watching your favorite movies on television? It will be no less than enjoying ultimate luxury at the comfort of your home as the quality of picture and sound is similar to that of miniature cinema hall. Although there are several flat screen technology, but only the liquid crystal display (LCD), plasma display (PDP), digital light processing (DLP) has been introduced to the consumers. Large screen television technology has outshined cathode ray tubes (CRT) in the television space, primarily because of its large size and the recent craze of buying flatter television.
On the other hand, forthcoming technologies such as, Organic light-emitting diode (OLED), Surface-conduction Electron-emitter Display (SED) or Field Emission Display (FED) are paving the way to substitute the first flat screen technologies in terms of high quality picture.
The following are significant factors for assessing television displays:
Display size: This stands for the diagonal length of the display.
Display resolution: This stands for the number of pixels in every dimension on a display.
Dot pitch: It enables sharper images as there are more pixels in a given area.
Response Time: It refers to the time taken by the display to respond to a given input. Quick response time can make better transitions in displaying moving objects devoid of useless image artifacts.
On the other hand, forthcoming technologies such as, Organic light-emitting diode (OLED), Surface-conduction Electron-emitter Display (SED) or Field Emission Display (FED) are paving the way to substitute the first flat screen technologies in terms of high quality picture.
The following are significant factors for assessing television displays:
Display size: This stands for the diagonal length of the display.
Display resolution: This stands for the number of pixels in every dimension on a display.
Dot pitch: It enables sharper images as there are more pixels in a given area.
Response Time: It refers to the time taken by the display to respond to a given input. Quick response time can make better transitions in displaying moving objects devoid of useless image artifacts.
Brightness: It refers to the amount of light emitted from the display.
Contrast Ratio: This is characterized as the ratio of the luminance of the brightest color to the luminance of the darkest color on the display.
Aspect Ratio: Refers to the ratio of the display width to the display height. The aspect ratio of large screen televisions is 16:9 while that of traditional ones is 4:3.
Viewing Angle: It can be described as the maximum angle at which the display can be viewed with high quality.
Color Reproduction/Gamut: It refers to the range of colors that the display can perfectly represent.
References : -
"How LCDs Work." Howstuffworks.com. HowStuffWorks, Inc. 20 Mar 2007
"How Plasma Displays Work." Howstuffworks.com. HowStuffWorks, Inc. 20 Mar 2007
"Plasma Display." Answers.com. Answers Corporation 20 Mar 2007
"Plasma Display Panels." Plasmacoalition.org. Coalition for Plasma Science. 20 Mar 2007
"How Projection Television Works." Howstuffworks.com. HowStuffWorks, Inc. 20 Mar 2007
"Rear-Projection Television." Answers.com. Answers Corporation 20 Mar 2007
"Front-Projection Television." Answers.com. Answers Corporation 20 Mar 2007
"Rear-Projection Television. What You Need To Know." About.com. About, Inc. 20 Mar 2007
Examples of Volatile Flat Panel Displays : -
DLP (Digital Light Processing)
Plasma displays
Liquid crystal displays (LCDs)
Organic light-emitting diode displays (OLEDs)
Light-emitting diode display (LED)
Electroluminescent displays (ELDs)
Surface-conduction electron-emitter displays (SEDs)
Field emission displays (FEDs)
Nano-emissive display (NEDs)
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