Patent ID: 8547722

Claim:
A display driver comprising: first to Nth circuit blocks (N is an integer of two or more) disposed along a first direction when a direction from a first side that is a short side of the display driver toward a third side opposite to the first side is a first direction and a direction from a second side that is a long side of the driver toward a fourth side opposite to the second side is a second direction; a first interface region provided along the fourth side and on the second direction side of the first to Nth circuit blocks, the first interface region including a plurality of first pads; and a second interface region provided along the second side and on a fourth direction side of the first to Nth circuit blocks, the second interface region including a plurality of second pads, the fourth direction being opposite to the second direction, the first to Nth circuit blocks including at least a logic circuit block, a grayscale voltage generation circuit block, a first data driver block and a second driver block, the grayscale voltage generation circuit block being positioned between the logic circuit block and the first data driver block, the second data driver block being positioned between the grayscale voltage generation circuit block and the first data driver block, the logic circuit block, the grayscale voltage generation circuit block, the first data driver block and the second data driver block being arranged in order in the first direction, the first data driver block including at least a first circuit and a second circuit, the first circuit supplying a signal to the second circuit by a local line, the logic circuit block supplying a driver control signal to the first and second data driver blocks by a driver global line, the driver global line being provided over the first and second data driver blocks, the driver global line being formed on a layer upper than a layer on which the local line is formed, the grayscale voltage generation circuit block supplying a grayscale voltage to the first and second data driver blocks by a grayscale global line, the grayscale global line being provided over the first and second data driver blocks, the gray scale global line being formed on a layer upper than a layer on which the local line is formed.