LCD Television Buying Guide – Brands, Price, Reviews

If you are planning to buy an LCD TV and not sure how and what to look for? Read on to get a basic overview on things to keep in mind when looking around.
HOW DO LCD TVs WORK
LCD monitors work by blocking light. By sandwiching a solution of TN (twisted nematic) liquid crystals between two perpendicularly aligned panes of polarized glass, it becomes possible to manipulate the intensity of light as it passes through this crystalline matrix and out the glass panel at the other end. Depending on the voltage of the electrical charge running through them, liquid crystals will untwist so that the intensity of light able to pass through the second polarized pane is affected. Basically, these displays can switch between light states (where the liquid crystals are fully twisted) and dark states (where the liquid crystals are fully untwisted), or somewhere along the gray scale in between.

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LCD Television Buying Guide – Brands, Price, Reviews

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