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Which last longer? I was told that the LED would outlast the LCD
by Kevin
Reply by Andrew Ghigo As stated elsewhere on the site, CCFL LCD TVs come with a rated lifetime of 60,000hrs to 100,000hrs while LED LCD TVs have a rated life of around 100,000hrs. In either case, these represent a life that is anything between three to five times that of the good old CRT TV. Note however that these rated lifetimes refer to the display panel only and not the electronics inside. The display panel lifetime represents the time by which the display brightness would fall to a level (half the original value) that is no longer suitable for normal viewing due to the deterioration of the elements making the display, due to use. Any failure of the electronics inside an HDTV is independent on the display technology and is in no way related to the display panel being LED, CCFL LCD, or plasma. As to the 'LCD engine' and 'LED engine' mentioned by the sales reps, this is more of a misnomer. There is no such engine inside as is the case with rear projection TVs. Apart from the display panel, it is all electronics and no moving parts. So if you would like to know my opinion... I would encourage you to choose an HDTV that best suits your needs - one that delivers a picture you like and that falls within your budget. There are a few differences though between plasma and LCDs (LEDs are also LCD TVs) that are more related to use rather than picture quality and that may render one technology better than the other under certain circumstances; I suggest to read the following plasma vs. LCD TV article on this site for more information. But otherwise, technology should not be much of an issue when choosing your HDTV. As to the extended warranty matter, I would not take an extended warranty on a new HDTV - these are more of a way for the retailer to make even more money. There is the manufacturer's warranty and that should be more than enough with any major brand. If one where to see a TV expected failure rate pattern, failures would normally crop up either during the first few months of use - in which case, it would be covered by the manufacturer's warranty, or after a few years of use, in which case any extended warranty would have already expired. But extended warranty is like taking an insurance cover - it all depends how much you are ready to pay to cover any additional risk. Hope this helps! |
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