The basic introduction of LCD

LCD LCD display is the abbreviation of liquid Crystal display, LCD is the construction of two parallel glass substrates placed in the LCD box, the lower substrate glass set TFT (thin film transistor), on the substrate on the glass set color filter, By changing the signal and voltage on the TFT to control the rotation direction of the liquid crystal molecule, so as to control each pixel point polarized light or not to achieve the display purpose. Now LCD has replaced CRT as the mainstream, prices have dropped a lot, and has been fully popularized.