LED TV is a new technology that you will probably have seen the emergence of in the media. But what is an LED TV? Basically they can be described as an LCD display that utilizes the use LED technology in method used to light the screen, basically it’s an LED-lit LCD display.
Samsung is a television manufacturer that seems to be pushing this variation of HDTV in their advertising campaign with their Samsung LED TV series. However all the major TV manufacturers are utilizing LED TV technology to a varying extent, Samsung, Sony, Toshiba, Panasonic and JVC are just some of the names to adopt LEDs into their designs.
The introduction of LEDs in high definition televisions isn’t just an advertising ploy, there are genuine benefits to be had.
LED technology is replacing the CCFL (cold cathode fluorescent lamps) which has been used to provide the lighting in LCD HD TVs. The characteristics that make LEDs a more attractive option is that they are more energy efficient, produce a brighter light, have a longer life and are smaller.
Naturally the first qualities which the majority of consumers look for when considering the purchase of a new high definition television is with regards to picture quality and aesthetics.
Because of the characteristics of LED lighting the colour reproduction and contrast levels have been improved when compared with previous LCD televisions. The colour and contrast improvements are due to the inherent qualities of LED lights. Also sometimes more than a thousand LEDs are used in either side or back-lit configurations, and because each LED can be controlled individually areas of local dimming can be created. This feature results in improved contrast controls displaying better intensities of blacks and whites.
Because LEDs have removed the need for fluorescent lamps which were much bulkier, LED TVs can be made to be very slim. Samsung and Sony both produce sets which are 30mm and 10mm thick and with very little border round the screen.
The performance of conventional LCDs that use fluorescent lights tends to degrade over a 3-5 year period. The fluorescent lights become less bright and when this happens they cannot be replaced and so the television effectively becomes scrap. The lighting used in LED televisions is more reliable and has a longer lifespan and so improves the long-term in vestment of the consumer.
Another characteristic of LEDs which benefits the consumer’s investment is that they are more energy-efficient. This might seem like an insignificant fact, but with LED TVs claimed to be up to 40% more efficient than conventional LCD televisions, then there a real savings to be made in the consumer’s electricity bill over the lifetime of and LED television.
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