Patent ID: 8847941
Filing Date: 2014-09-30
Classification: G09G

Abstract:
1. A display device that includes a display panel capable of displaying an image, a controller that controls the display panel, and drivers located for driving the display panel, the drivers including a driver which is located in a most previous stage and supplies a data signal to a driver located in a subsequent stage based on a data signal from the controller, and a driver which is located in at least one subsequent stage and supplies a data signal to a driver located in a subsequent stage based on a data signal from a driver located in a previous stage, the display device comprising: a detection unit that supplies a monitoring signal, which indicates whether a data signal is supplied to the driver located in the subsequent stage normally, to the controller; and a substitution controller that supplies a substitution data signal that substitutes for a data signal supplied to the driver located in the subsequent stage based on a substitution control signal from the controller, wherein the controller supplies a substitution control signal that makes the substitution controller supply a substitution data signal when it determines that a data signal is not supplied as a result of a failure to the driver located in the subsequent stage normally by using the monitoring signal.