Saturday, 24 November 2012

Differences in LCD, Plasma and LED TV

What are the differences in LCD, Plasma and LED TV: This is a question everyone is looking for an answer to before making a purchase for a HDTV. For several decades, the CRT Technology dominated the entire television manufacturing landscape across the world.  However, in the past couple of years, there has been a significant improvement in the technology. This development led to the introduction of LCD, Plasma and LED Televisions in the markets. The new technology has empowered each of these HD TVs with a great number of advanced features, the most noticeable one being the vivid display images.  When you hit the market to shop for an HDTV, there are ample of factors to consider as making a purchase for a TV can at times involve a myriad of confusing terms. We all are quite familiar with two different technologies: LCD and Plasma. The brand-new entrant in this segment is LED TV which is LCD TV but instead of using a CFL type backlight it uses LED's either side or rear lit. Explore below the most noticeable differences between LCD, Plasma and LED TV.

Differences in LCD, Plasma and LED TV

LCD TV:

Pros:

  • Lesser Power Usage than Plasma TV
  • Non-glossy Screens
  • Best for rooms with several windows
  • Cheaper Priced than LED TV's

Cons:

  • Darker areas not as dark as plasma and LED
  • Brightness not uniform across the Screen.
  • Less contrast than LED and Plasma TV

Plasma TV:

Pros:

  • Best contrast ratio
  • Deepest blacks/dark area of picture
  • Best viewing angle.

Cons:

  • Glossy display reflects more light making it not-so-good for rooms with reflections and windows.
  • Consumes a lot of power among all Flat Panel TV types.
  • Emanates a lot of heat

LED TV:

Pros:

  • Minimum Power Usage
  • Uniform Lighting
  • High Contrast Ratios
  • Lowest Heat Level of all Flat Panel TV's.

Con:

  • Extremely Expensive
  • Picture Quality difference between Mid-range LCD and LED not very huge.

All these three technologies come equipped with a number of different specifications, making them drastically distinct from one another. There are some inconspicuously evident differences, particularly with respect to how each screen is lit. In Plasma Televisions, the phosphors responsible for illuminating the image on the screen light up themselves. They don't require any kind of backlighting. However, in LCD Television the Liquid Crystal Screen does not illuminate itself, hence requires a separate light source. That is where the huge difference can be measured between regular LCD Screens and LED-backlit LCD Screens comes into picture.







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