Artifact-free transitions between dual display controllers

Artifact-free transitions between dual display controllers

  • CN 101,535,930 A
  • Filed: 03/22/2007
  • Published: 09/16/2009
  • Est. Priority Date: 03/23/2006
  • Status: Active Application
First Claim
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1. driving method with display system of two display controllers, wherein this display system comprises a display device, a processor, one first display controller and one second display controller, and this second display controller is optimization down in low-power operation, it is characterized in that this driving method comprises:

  • This first display controller receives a display data from this processor;

    The control of switching this display device is between this first display controller and this second display controller, and this switching is and then to carry out at the trailing edge of vertical sync pulse;

    AndThis second display controller refreshes this display device, and need not rely on this first display controller and this processor.

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