Electroluminescent display and driving device thereof

An electroluminescent display comprising:

• a first active area disposed in an upper left portion of a screen;
• a second active area disposed in an upper right portion of the screen;
• a third active area disposed in a lower left portion of the screen;
• a fourth active area disposed in a lower right portion of the screen;
• a first driving circuit configured to write pixel data to pixels of the first active area;
• a first timing controller configured to transmit the pixel data of the first active area to be displayed on the first active area to the first driving circuit and control the first driving circuit;
• a second driving circuit configured to write pixel data to pixels of the second active area;
• a second timing controller configured to transmit the pixel data of the second active area to be displayed on the second active area to the second driving circuit and control the second driving circuit;
• a third driving circuit configured to write pixel data to pixels of the third active area;
• a third timing controller configured to transmit the pixel data of the third active area to be displayed on the third active area to the third driving circuit and control the third driving circuit;
• a fourth driving circuit configured to write pixel data to pixels of the fourth active area;
• a fourth timing controller configured to transmit the pixel data of the fourth active area to be displayed on the fourth active area to the fourth driving circuit and control the fourth driving circuit;
• and
• a bridge circuit configured to receive an input image from a host system, divide the input image to correspond to the first to fourth active areas, modulate the input image, distribute the input image to the first to fourth timing controllers and synchronize the first to fourth timing controllers when receiving a synchronization request signal from the first to fourth timing controllers through a communication path connected to the first to fourth timing controllers.

A driving device of an electroluminescent display comprising:

• a first timing controller configured to transmit pixel data of a first active area to be displayed on the first active area to a first driving circuit writing pixel data to pixels of the first active area and control the first driving circuit;
• a second timing controller configured to transmit pixel data of a second active area to be displayed on the second active area to a second driving circuit writing pixel data to pixels of the second active area and control the second driving circuit;
• and
• a bridge circuit configured to receive an input image from a host system, divide the input image to correspond to the first and second active areas, modulate the input image, distribute the input image to the first and second timing controllers and synchronize the first and second timing controllers when receiving a synchronization request signal from the first and second timing controllers through a communication path connected to the first and second timing controllers.