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"

Other articles related to "multiplexed display, multiplexed displays, display":

Multiplexed Display - "Break Up"
... Because most multiplexed displays do not present the entire display simultaneously, they are subject to "break up" if the observer's point of regard is in motion ... For example, if the observer were to rapidly swing their vision across a multiplexed display, they might see a jumble of individual digits rather than a coherent display ... The same effect can occur if the display is moving with respect to the observer's point of regard.) People with nystagmus (involuntary eye movement) are much more likely to experience the effect ...

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