Abstract: The present disclosure discloses a display driving apparatus. The display driving apparatus of the present disclosure may be configured to drive a source signal in a state optimized for a panel load of a display panel.

Abstract: A multi-channel voltage sensing circuit for pixel compensation includes a plurality of channel circuits arranged for multiple channels; and a first dummy channel circuit and a second dummy channel circuit disposed among the plurality of channel circuits with some channel circuits interposed therebetween, wherein the first dummy channel circuit and the second dummy channel circuit receive a first reference voltage of a fixed level, and provide electrical coupling to adjacent channel circuits.

Abstract: A slew rate controller includes an amplifier configured to operate with a first driving voltage and a second driving voltage, and generate an output voltage by using an image data voltage inputted at a first time point; an output switch configured to apply the output voltage to an external panel load according to a first control signal at the first time point; a first switch connected between one end of the output switch and the amplifier; and a second switch connected between the other end of the output switch and the amplifier.

Abstract: The present disclosure discloses a display driving circuit. The display driving circuit is configured to have a function of detecting a short of a data line occurring on a display panel.

Abstract: The present disclosure discloses a display driving apparatus. The display driving apparatus of the present disclosure may be configured to drive a source signal in a state optimized for a panel load of a display panel.

Abstract: The present disclosure discloses a sensing circuit and a source driver including the same, capable of decreasing influence on the performance of an integrator according to a panel load and reducing a chip area by excluding a feedback capacitor of the integrator. The sensing circuit may convert an input current, received from a display panel, into an output current having linearity and an amount of current smaller than the input current.

Abstract: A slew rate controller includes an amplifier configured to operate with a first driving voltage and a second driving voltage, and generate an output voltage by using an image data voltage inputted at a first time point; an output switch configured to apply the output voltage to an external panel load according to a first control signal at the first time point; a first switch connected between one end of the output switch and the amplifier; and a second switch connected between the other end of the output switch and the amplifier.

Abstract: The present disclosure relates to a technology for adjusting differences among integrated circuits, that may occur in a pixel sensing, using bias voltages, and more particularly, a technology for adjusting a gain or an offset of each integrated circuit by adjusting a bias voltage.

Abstract: A data driver, a multi-channel sensing circuit and a sensing method thereof are provided. A multi-channel sensing circuit, where a configuration of a sample/hold circuit part is simplified to decrease a circuit area, and a sensing method of the multi-channel sensing circuit are provided. The multi-channel sensing circuit may include a first sample/hold circuit sampling and outputting a first sensing voltage, a second sample/hold circuit sampling and outputting a second sensing voltage, a share sample/hold circuit sampling and outputting a reference voltage, and an amplification part differential-amplifying the first sensing voltage output from the first sample/hold circuit and the reference voltage output from the share sample/hold circuit and differential-amplifying the second sensing voltage output from the second sample/hold circuit and the reference voltage output from the share sample/hold circuit.

Abstract: The present disclosure discloses a display driving apparatus in which the consumption power of a chip is optimized through control for each output channel of the chip. The display driving apparatus includes a consumption current control circuit for each output channel. The consumption current control circuit is configured to selectively provide a control current having a high current amount in order to drive an output voltage for the output side of an output buffer in response to a change in the pattern having a great difference between an input voltage and an output voltage.

Abstract: An embodiment is disclosed that makes it possible to reduce the area of a digital-to-analog converter circuit by interpolating one reference voltage and generating a plurality of gamma voltages.

Abstract: A data driver, a multi-channel sensing circuit and a sensing method thereof are provided. A multi-channel sensing circuit, where a configuration of a sample/hold circuit part is simplified to decrease a circuit area, and a sensing method of the multi-channel sensing circuit are provided. The multi-channel sensing circuit may include a first sample/hold circuit sampling and outputting a first sensing voltage, a second sample/hold circuit sampling and outputting a second sensing voltage, a share sample/hold circuit sampling and outputting a reference voltage, and an amplification part differential-amplifying the first sensing voltage output from the first sample/hold circuit and the reference voltage output from the share sample/hold circuit and differential-amplifying the second sensing voltage output from the second sample/hold circuit and the reference voltage output from the share sample/hold circuit.

Abstract: A multi-channel voltage sensing circuit for pixel compensation includes a plurality of channel circuits arranged for multiple channels; and a first dummy channel circuit and a second dummy channel circuit disposed among the plurality of channel circuits with some channel circuits interposed therebetween, wherein the first dummy channel circuit and the second dummy channel circuit receive a first reference voltage of a fixed level, and provide electrical coupling to adjacent channel circuits.

Abstract: The present disclosure discloses a source signal output circuit and an inverter thereof. The inverter is configured to provide a multiplexer with a control signal having a full range for selecting a source signal and to output the control signal having the full range by using elements operating in a low voltage range. Therefore, the present disclosure has an advantage in that it can fabricate a driving circuit having a small area at a low process cost.

Abstract: The present disclosure discloses a precharge circuit capable of compensating for a resistance deviation between channels so that sense lines of a display panel can be uniformly charged and a source driver including the same. The precharge circuit may include a voltage terminal configured to provide a reference voltage, a common line connected to the voltage terminal, and channel lines connected to the common line and configured to transfer, to respective sense lines of a display panel, the reference voltage transferred through the common line.

Abstract: The present disclosure discloses a sensing circuit and a source driver including the same, capable of decreasing influence on the performance of an integrator according to a panel load and reducing a chip area by excluding a feedback capacitor of the integrator. The sensing circuit may convert an input current, received from a display panel, into an output current having linearity and an amount of current smaller than the input current.

Abstract: The present disclosure discloses a display driving apparatus configured to process data by using a low voltage bias current, process a source signal by using a high voltage bias current, and provide the low voltage bias current and the high voltage bias current by using one bias core.

Abstract: Disclosed is an output buffer circuit for a display driving apparatus, which generates an output voltage by using a bias current controlled by digital-to-analog conversion for interpolation data, the output buffer circuit including a decoder configured to output control data obtained by decoding interpolation data, and an output circuit configured to output an output voltage by using a bias current having the amount of current controlled by digital-to-analog conversion for the control data.

Abstract: The present disclosure provides, in a pixel sensing, a technology in which a parasitic impedance formed in a sensing line does not affect an integrating circuit using a current mirror circuit coupled with an operational amplifier.

Abstract: A display driving apparatus includes a first bias circuit configured to provide a first bias current; a second bias circuit configured to provide a second bias current; a selection circuit configured to select and output the first bias current as a bias current during a first period in which a change in a driving current occurs, and select and output the second bias current as the bias current during a second period from after the first period to until a next change in the driving current occurs; and an output buffer configured to drive a first input current or a second input current by the bias current, and output the driving current for driving a panel, in correspondence to the first input current or the second input current.