Abstract: A display driving apparatus and a method for driving display apparatus are provided. Source drivers generate abnormality-notify signals according to driving signals. A timing controller determines the source drivers received abnormal driving signals according to the abnormality-notify signals and a horizontal synchronizing signal and adjusts the driving signals corresponding to the source drivers received the abnormal driving signals.

Abstract: A noise eliminating method adapted to be used with an adapter and a touch device electrically connected with each other is provided. The adapter includes a voltage transformer, a switch and a control circuit. The voltage transformer includes a primary side winding and a secondary side winding. The switch is electrically connected between the primary side winding and a reference voltage. The control circuit is configured to output a pulse width modulation signal to switch on or off the switch. The touch device includes a touch control circuit. The noise eliminating method includes: configuring the control circuit to receive a control signal transmitted from the touch control circuit; and configuring the control circuit to adjust at least one of a frequency, a duty cycle, a rising time or a falling time of the pulse width modulation signal according to the control signal.

Abstract: A display driving apparatus and a method for driving display apparatus are provided. Source drivers generate abnormality-notify signals according to driving signals. A timing controller determines the source drivers received abnormal driving signals according to the abnormality-notify signals and a horizontal synchronizing signal and adjusts the driving signals corresponding to the source drivers received the abnormal driving signals.

Abstract: A method fast switches interfaces in liquid crystal display (LCD) of portable electronic device. The registers in LCD driver apparatus are divided into first registers, which need not refreshing during interface switching, and second registers, which need refreshing during interface switching. After power on, the initial setting for LCD is carried on and power on image is display. When the interface is switched, for example from CPU interface to RGB interface, only the second registers are refreshed and the refreshing of the first registers is bypassed. The first registers are initial setting registers including power-related registers. Therefore, the refreshing of the first registers can be advantageously bypassed to save power consumption and speed up interface switch operation.