Patent ID: 7515145

Claim:
An arrangement comprising: a display device with columns and rows, a column driver that is configured to provide voltages to the columns of the display device in dependence upon the data to be displayed, two supply voltage lines carrying a maximum and a minimum column voltage, and a processor that is configured to control the column driver, wherein the column driver includes: at least one voltage divider unit that is arranged between the supply voltage lines for the generation of divided voltage values, and at least one switching matrix that is configured to couple the divided voltage values to the columns, the processor is configured to control the column driver in a select one of two modes, such that, in an operational mode, the column driver selectively couples the divided voltage values to the columns via the switching matrix, and in a standby mode, the column driver is configured to: disconnect the switching matrix from the supply voltage lines, and selectively connect one of the supply voltages to each of the columns.