
Most of us are familiar with LED (light emitting diode) lights- they are those tiny lightbulbs that are found practically everywhere, in all sorts of electronic gadgets, flashlights, even traffic lights. And, over the past few years, they have been invading the world of HDTV. But what is an LED HDTV? Is it an array of thousands of tiny lightbulbs?
The answer is yes– and no. There do exist TV screens built out of LED lightbulbs, but since they can’t be made as small as the pixels on a home TV screen, they are used exclusively in giant-size displays, like you would see at sports arenas. One of these screens would not only be terrifyingly huge in your house, it would look awful at any distance closer than 30 feet.
The sets that are often referred to as LED HDTV are more properly called “LED-backlit LCD television sets”, because the LEDs are just providing a highly efficient source of light for the image, and are not actually creating the image themselves. So, an LED HDTV is essentially an LCD HDTV that uses LEDs to provide the main source of light, rather than the fluorescent lamps that are commonly used. There are many benefits to doing it this way, including:
- Lower power consumption
- Better contrast
- More brightness
- Longer life
- More environmentally friendly manufacturing
Currently, the leaders in LED HDTV technology are Samsung, Sharp, Sony and LG. Here are a few of the most popular models at Amazon.com: Popular LED HDTV sets