Multiplexed Display

Multiplexed Display

Multiplexed displays are electronic displays where the entire display is not driven at one time. Instead, sub-units of the display (typically, rows or columns for a dot matrix display or individual characters for a character orientated display, occasionally individual display elements) are multiplexed, that is, driven one at a time, but the electronics and the persistence of vision combine to make the viewer believe the entire display is continuously active.

A multiplexed display has several advantages compared to a non-multiplexed display:

  • Fewer wires (often, far fewer wires) are needed
  • Simpler driving electronics can be used
  • And both lead to reduced cost
  • Reduced power consumption

Multiplexed displays can be divided into two broad categories:

  • Character-oriented displays
  • Pixel-oriented displays

Read more about Multiplexed Display:  Character-oriented Displays, Pixel-oriented Displays, "Break Up"

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