Housed between two sheets of glass is the technology that allows flat screen TVs to work. Depending on the type of flat screen TV, the process can differ slightly. In a plasma TVs are cells that contain the gases xenon and neon as well as electrodes.There are two types of electrodes, display and address, that are arranged in a grid-like pattern on either side of the cells.n a LCD flat screen TV, tiny liquid-crystal-filled cells are between the glass sheets.
Like said earlier, a LED TV is an enhanced and improved version of a LCD TV. LED TVs have slimmer and thinner body panel. The back-light intensity and brightness is much more. Pixel clarity is fine and clear. The baseline functioning of LED is that it illuminates the LCD panels by using LED technology. This chemical is what makes the pixels red, green, or blue. When the plasma TV is electronically turned on, the electricity causes the colored phosphors to produce light. This in turn paints the moving pictures on the screen. For more information on plasma televisions, read How a Plasma TV Works. How Does a Plasma TV Work. A plasma TV is made up of two sheets of glass. Between these two sheets of glass are millions of pixels filled with two kinds of gas, namely neon and xenon. Each pixel is coated with a chemical called phosphor. This chemical is what makes the pixels red, green, or blue. When the plasma TV is electronically turned on, the electricity causes the colored phosphors to produce light. This in turn paints the moving pictures on the screen. For more information on plasma televisions, read How a Plasma TV Works. The set-up. Housed between two sheets of glass is the technology that allows flat screen TVs to work. Depending on the type of flat screen TV, the process can differ slightly. In a plasma TVs are cells that contain the gases xenon and neon as well as electrodes. There are two types of electrodes, display and address, that are arranged in a grid-like pattern on either side of the cells. In a LCD flat screen TV, tiny liquid-crystal-filled cells are between the glass sheets. A bright white light is located behind the cells and illuminates them to create the picture. The LED TV is a more advanced version of the LCD TV. While both types of TV rely on LCD technology and have flat-panel designs, the online review resource, TopTenReviews notes, LED TVs are slimmer, brighter, and more detailed than your traditional LCD TV.. An LED TV can alter the alignment of these liquid crystals by applying an electric current to small, specific areas of the liquid crystal layer. By altering the arrangement of the liquid crystals, an LED can control how the layer transmits the light that flows from the TV's backlighting. Powering the picture. The power supply enters the TV and creates the energy needed to create the picture. In a plasma TV, electric pulses excite the gases, which produce release ultraviolet photons. These photons react with the phosphor material that is contained in the cells. The phosphor then produces light. In a LCD flat screen TV, tiny liquid-crystal-filled cells are between the glass sheets. A bright white light is located behind the cells and illuminates them to create the picture. A 103 plasma display panel by Panasonic, on display in August 2009. A plasma display panel (PDP) is a type of flat panel display common to large TV displays 30 inches (76 cm) or larger. They are called  plasma  displays because they use small cells containing electrically charged ionized gases, which are plasmas.  For many people, the most attractive thing about LCD TVs is not the way they make a picture but their flat, compact screen. Unlike an old-style TV, an LCD screen is flat enough to hang on your wall. That's because it generates its picture in an entirely different way. You probably know that an old-style cathode-ray tube (CRT) television makes a picture using three electron guns. An LCD TV screen uses the sunglasses trick to switch its colored pixels on or off. At the back of the screen, there's a large bright light that shines out toward the viewer. In front of this, there are the millions of pixels, each one made up of smaller areas called sub-pixels that are colored red, blue, or green. How Does an LCD TV Work. At the back of the LCD TV is a large bright light that is turned on when the TV is switched on. In front of the light are millions of pixels that are further separated into sub-pixels. Each sub-pixel is colored red, green, or blue. This chemical is what makes the pixels red, green, or blue. When the plasma TV is electronically turned on, the electricity causes the colored phosphors to produce light. This in turn paints the moving pictures on the screen. For more information on plasma televisions, read How a Plasma TV Works. Jupiterimages/Pixland/Getty Images. If you buy a light, flat-screen TV, you may want to hang it on the wall and watch television programs, images from your digital camera, videos from your computer and high-definition movies from your DVD or Blu-ray player. 
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