Archive for October, 2010

Active-matrix Technology on LCD Monitors

Auto Date Sunday, October 10th, 2010

4dec.jpg LCD computer screens consist of active-matrix polarizers and panel. The panel and the polarizers, when combined may act as a pixel-level light filter that is electrically-controlled. The active-matrix panel and polarizers are located directly in front of the backlight. The backlight is a uniform and wide-area light source that usually consist of cold-cathode flourescent lamps or CCFL. Along with the CCFL’s is a lightguide and a diffuser. Around a dozen rows and columns of driver chips is connected to the panel. The panel addresses the picture data’s display. These chips are driven by the monitors electronics.