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The next section of this training module will explain the operation of Liquid Crystal Displays (LCD) and how to drive them. In particular, the module will focus on segmented LCDs. Some common LCD terms are defined on this page. The most important terms to understand are the concept of segments and backplanes or commons. The segment is the actual element on the display that is visible to the operator of the end equipment. The segment makes up one electrode and is referenced to a backplane or common electrode. These two electrodes, when provided with a voltage potential, generate the electric field that causes the liquid crystals to change their orientation which in turn block the light.
PTM Published on: 2011-05-13
India