| 主权项 |
1. A display, comprising:
a display panel in which a plurality of image signal lines and a plurality of scanning lines are formed in a matrix; a plurality of image signal line driving circuits arranged around said display panel, the image signal line driving circuits driving said image signal lines; and a scanning line driving circuit arranged around said display panel, the scanning line driving circuit driving said scanning lines, wherein each of said image signal line driving circuits includes a timing controller that generates a control signal to control the image signal line driving circuit itself and a different image signal line driving circuit, an image signal line driving circuit in a master mode among said plurality of image signal line driving circuits has a function of applying said control signal to an image signal line driving circuit in a slave mode among said plurality of image signal line driving circuits, each of said image signal line driving circuits includes an abnormality detecting circuit and a master/slave switching circuit, the abnormality detecting circuit detecting an operation abnormality in the image signal line driving circuit itself, the master/slave switching circuit setting the image signal line driving circuit itself as said image signal line driving circuit in said master mode or as said image signal line driving circuit in said slave mode, and when detecting an abnormality, said abnormality detecting circuit outputs a master/slave switching signal and applies the master/slave switching signal to said master/slave switching circuit in said image signal line driving circuit in said master mode and said master/slave switching circuit in said image signal line driving circuit in said slave mode, thereby switching said image signal line driving circuit in said slave mode to said master mode and switching said image signal line driving circuit in said master mode to said slave mode. |
