As its name implies, Liquid Crystal is a material composed of dense particles in solid state that appear chemically in liquid form. It can be polarized according to the applied electrical energy. The use of this material, which was found by chance in 1888, in the image transmission technology began in 1962 with the first tests in RCA Laboratories. However, the tests performed in these years failed to achieve the desired results at room temperature, but only in 1966 and finally in 1972, the first active matrix LCD Display was produced by the United States..

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