How Does a Computer Flat Screen Monitor Work?
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Types of LCD Flat Screens
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Flat screen monitors have replaced the older CRT monitors on desktops. They have also become a popular choice for television screens. Flat screen monitors take up less space and save more energy than their older counterparts. Buying flat screen monitors or television sets can save the user money and lessen the owner's impact on the environment. They use LCD displays to generate pixels on the screen.
Flat screen monitors work in exactly the same way as laptop screens always have. Flat screen monitors come in active matrix and passive matrix designs. Each flat screen technology method uses a different process to generate images on the screen. Most of the flat screen monitors or television sets that people buy today will use the active matrix technology, despite its higher cost.
How Active Matrix Flat Screen Monitors Work
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The process involves two planes of polarized glass, a material of liquid crystals between the glass, and a back light that supplies the light on the screen. The back light shines light through the glass, which passes through the polarized glass. That alone is not enough to produce the impressive graphic displays that reach our eyes. The liquid crystals respond to the light. This allows the user to see the complex images produced for television shows and most popular video and computer games.
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How Passive Matrix Flat Screen Monitors Work
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The first LCD screens that came onto the market used this technology. Instead of having polarized glass, these monitors used a pixel grid made of metal. Electricity passing over the grid caused each pixel to be displayed. These cost much less to produce and to buy, but this technology fell out of favor. The slow response time of passive matrix LCD screens makes the active matrix screens more appealing to most users.
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