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Q.

What is difference between Plasma TV, LCD & LED TV?

Tags: electronics, plasma, entertainment
Asked by Nandu Dhurve, 11 Jul '10 11:03 am
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Answers (2)

1.

The acronym LCD stands for Liquid Crystal Display. This technology was created to replace the CRT technology. A LCD TV Differences Between LCD, Plasma and LED Televisions is a significant improvement in the way pictures are displayed due to the mode of display involved.

LCD technology uses two major components to display, namely; Cold Cathode Florescent Lamps or CCFLs and molecules of liquid crystals. The CCFLs are used to illuminate the liquid molecules with white light, and as the light passes through, an image is created.

A LCD TV Differences Between LCD, Plasma and LED Televisions has the following advantages over a CRT TV; flat and much lighter, a higher resolution, wider viewing angle of up to 175 degrees, lower power consumption, resistant to burn in due to static images, and are ideal for naturally lit environments. However, there are some disadvantages to this technology such as a low contrast ratio and inability to achieve true black picture quality.
The shortcomings o ...more
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Answered by anil garg, 07 Jun '12 05:46 pm

 
  
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2.

A plasma display panel (PDP) is a type of flat panel display common to large TV displays (80 cm or larger). Many tiny cells between just two panels of glass hold a mixture of noble gases. The gas in the cells is electrically turned into a plasma which emits ultraviolet light which then excites phosphors to emit visible light. Plasma displays should not be confused with LCDs, another lightweight flatscreen display using very different technology, which is not based on phosphorescence.

LED-backlight LCD television (called LED TV by Samsung Electronics, Panasonic, Toshiba, Philips, LG Electronics, ProScan and Vizio and not to be confused with true LED displays) is an LCD TV that uses LED backlighting[1] rather than fluorescent lights used in traditional LCD televisions.
The LEDs can come in two forms, Dynamic RGB LEDs which are positioned behind the panel, or white Edge-LEDs positioned around the rim of the screen which use a special diffusion panel to spread the light evenly behind t ...more
Answered by Shobhit Gupta, 11 Jul '10 11:16 am

 
  
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