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LCD vs LED HD TV - Difference, comparison and cost defined - a Buying Guide for TV

Updated on January 4, 2013

Now a days biggest problem or confusion a consumer faces are the choices and fast changing technology. This confusion become more acute in cases of electronic items like TV. In just last five years, we have moved to CRT, to Plasma, to LED, LCD, HDTV and 3D TV. Most common type of HD TV available in market now a days are LCD and LED TV. There is so much advertisement for both LCD and LED TV, but none of them explain the basic difference between them. This hub will try to details difference between LCD and LED TV in terms of their underlying technical difference, features, shortcomings and most importantly their price.

LED are nothing but modified LCD Tv which uses LED TV for back-lighting whereas LCD TV use fluorescent CFL lighting. However for front panel, both uses LCD (Liquid
crystal diode) technology. For LCD TV, then back-light is constantly on. For creating darker tone, this back-light is turned away from the panel. This method creates a very poor contrast. LED based TV has solved this problem by dimming the back-light in dark ares on the screen. Because of this modification, new LED TVS have dynamic contrast ratio up to 2,000,00: 1.

Advantages of LED TVs over LCD TVs

  • Better Contrast in LED TV: As explained above, due to local dimming of light in LED TV, it creates better contrast between colored and black spot.
  • Better viewing angle: Because of the same above reason, LED TV provides better viewing angle and hence better view experience from all corner of the room.
  • Longevity: Although LED TV has not much history, but experts believe that LED TV will have more life than a LCD TV because in case of LCD TV, Fluorescent CFL back-light will degrade more rapidly with time as compared to LED back-light TV.
  • Power Consumption: Although a locally dimming LED TV will consume more power than a traditional LCD TV. However this can be reduced in case of edge lit LED TV. When when it comes to Power consumption, then first is edge lit LED TV, second is LCD TV and then third is back lit LED TV.

Demonstration of LED functioning
Demonstration of LED functioning | Source

Disadvantage of LED TV

Size choices and cost: Traditional LCD TV are available from 15 inch to 65 inches. However in cases of LED TV starting size is 32 inches and goes upto 72 inches. This is because of high cost of LED lightening. However LED TV cost are also going down due to more production of edge lit LED TV which cost less.

Power consumption: A traditional LCD TV consume less power compared to same size back lit LED TV.

Comparision at a Glance

Picture Quality
Colour accuracy
User Viewing Angle
Computer Usage
Fast Moving Video
Size and Cost flexibility
Power Consumption


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    • navneetjha profile imageAUTHOR


      5 years ago from London, United Kingdom

      That was a typo, now corrected.. thnx

    • profile image


      5 years ago

      what did you mean by loose?


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