And we tell you if we recommend one TV deal over another, too, to help you get the most bang for your buck. In our deal description, we let you know how good the deal is: we tell you if it's the lowest price we've seen, or whether we saw a better discount last month - or if we expect the price to drop further in the near future. ![]() Checking the price history of a product is our first step in determining the quality of a discount. The TechRadar team has been hunting for TV bargains for 15 years, so we know a good (or bad) deal when we see one. We thoroughly update our TV deals page once a week, but if we find an incredible bargain before that, we add it straight away, so you'll always see the biggest offers here. We scour all the leading retailers for the biggest TV bargains daily, including Best Buy, Amazon, and Walmart. It's our job to help you find the very best TV offers available online, and to help you navigate the different options to find exactly the set you want, at the lowest price possible. We take our deal selection process very seriously. LED TVs consume a lot lesser amount of energy giving much more brighter display compared to LCD and Plasma.View Deal How we select the best TV deals These anodes are positively charged electrodes and negatively charged cathodes. This current is specifically passed from one LED anode to another. They emit bright light when current is passed through them. Light Emitting Diodes are small electrical components of semiconductor. The baseline functioning of LED is that it illuminates the LCD panels by using LED technology. The back-light intensity and brightness is much more. LED TVs have slimmer and thinner body panel. Like said earlier, a LED TV is an enhanced and improved version of a LCD TV. This in turn paints the moving pictures on the screen.įor more information on plasma televisions, read How a Plasma TV Works. When the plasma TV is electronically turned on, the electricity causes the colored phosphors to produce light. This chemical is what makes the pixels red, green, or blue. Each pixel is coated with a chemical called phosphor. Between these two sheets of glass are millions of pixels filled with two kinds of gas, namely neon and xenon. How Does a Plasma TV WorkĪ plasma TV is made up of two sheets of glass. This transistor switches the pixel on and off as many times as needed every second.įor more information on LCD televisions, read How does an LCD TV work?. Without the rotating liquid crystals, no picture will be produced because the polarizing filters block out all the light passing through the pixels.Ī pixel has its own separate transistor. These crystals rotate to permit some of the rays of light to pass through the polarizing filters.ĭepending on which sub-pixels the light touches, the pixel lights up and produces a certain color. ![]() When the light at the back of the LCD TV is turned on, the liquid crystals in each pixel are also switched on. Each pixel is composed of a tiny liquid crystal placed between two glass polarizing filters. Each sub-pixel is colored red, green, or blue. In front of the light are millions of pixels that are further separated into sub-pixels. How Does an LCD TV WorkĪt the back of the LCD TV is a large bright light that is turned on when the TV is switched on. LED technology allow the manufacturers to develop thinner screens compared to LCD TVs and Plasma TVs. LED TVs are quite similar to LCD TVs but differ in a way that its back-light function is provided from around the edge of the screen using LED technology. In a plasma TV, the pixels are microscopic fluorescent lights electronically turned on and off. In an LCD TV, a colored picture is produced because the pixels use liquid crystals that rotate polarized light. The main difference between an LCD TV and a plasma TV is how their pixels are switched on and off. Each of these pixels is colored red, green, or blue, depending on the light that falls on them. ![]() Unlike CRT TVs, flat-screen TVs do not use an electron beam running back and forth behind the screen to produce a picture.Īn LCD TV and a plasma TV use the same technology of switching millions of tiny picture elements called pixels on and off to produce a moving picture. LCD TVs, Plasma TVs and LED TVs work differently from the traditional Cathode Ray Tube (CRT) TVs. There are three types of flat-screen televisions. These have thin body frames, unlike the box-typed CRTs. Flat TV screens are the modern day television sets.
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