Abstract: A detection circuit includes an input circuit and a sensing circuit. The input circuit includes a first input node and a second input node. The first input node is coupled to a first detection node and the second input node is coupled to a second detection node. The sensing circuit includes a current source providing a predetermined current. The current source is coupled to the first input node. The sensing circuit generates a sensing voltage at an output node in response to the predetermined current. The first detection node directly contacts the second detection node or is electrically connected to the second detection node through a trace, and the sensing voltage is related to an impedance between the first detection node and the second detection node.

Abstract: A display driver chip for a flexible display includes a display control circuit and a crease compensation circuit. The display control circuit is coupled to a display panel of the flexible display and configured to provide a driving signal to a corresponding pixel of the display panel. The crease compensation circuit is coupled to the display control circuit and configured to execute a color deviation compensation method. The color deviation compensation method includes obtaining a folding angle of a folding portion of the flexible display; determining a color deviation compensation value for a sub-pixel of the pixel according to the folding angle; and adjusting a sub-pixel value of the sub-pixel according to the color deviation compensation value.

Abstract: A ramp generator includes a digital-to-analog converter, a first capacitor, a second capacitor and a noise cancellation circuit. The digital-to-analog converter is configured to generate a ramp-up voltage signal on a first output terminal and a ramp-down voltage signal on a second output terminal. The first capacitor is coupled between the first output terminal and an intermediate node. The second capacitor is coupled between the second output terminal and the intermediate node. The noise cancellation circuit is coupled with the intermediate node. The noise cancellation circuit is configured to provide a compensation feedback according to an intermediate voltage on the intermediate node.

Abstract: A display device includes a display panel and a control circuit. The display panel includes a plurality of pixel driving circuits. Each pixel driving circuit includes a light emitting element and a switching element. The switching element controls a driving current flowing through the light emitting element. The control circuit is coupled to the display panel. The control circuit provides a control signal for controlling the switching element. The control signal includes multiple pulses during each frame period. The control circuit adjusts a width ratio of a first level and a second level of the pulses according to at least one of the refresh rate and the brightness of the display panel.

Abstract: A touch device includes a touch panel and a touch control circuit. A method of controlling touch sensitivity of the touch device includes the touch control circuit determining a location of a touch event on the touch panel, the touch control circuit defining a first area on the touch panel based on the location of the touch event, the location of the touch event being in the first area, and the touch control circuit reducing touch sensitivity of a second area on the touch panel outside the first area.

Abstract: An image processing method is proposed. The method includes to receive an I frame and generate a coordinate I-list corresponding to a first detected object in the I-frame and including a first coordinate candidate set having four coordinates, receive a P-frame following the I-frame and generate a coordinate P-list corresponding to a second detected object in the P-frame and including a second coordinate candidate set having four coordinates, generate at least one object region and an initial motion vector thereof of an interpolated frame between the I-frame and the P-frame based on the coordinate I-list and the coordinate P-list, and correct the initial motion vector to generate a corrected motion vector of the at least one object region of the interpolated frame.

Abstract: A method for a display driver circuit, which has a first non-refresh period and a first refresh period in a first time period and has a second non-refresh period and a second refresh period in a second time period, includes steps of: receiving, by the display driver circuit, a setting data in the second non-refresh period; and performing, by the display driver circuit, an image processing operation by using the setting data. The second non-refresh period is longer than the first non-refresh period.

Abstract: A knob device including a first layer and a second layer is provided. The first layer is disposed on a touch panel. The first layer includes a plurality of first conductive pads with interconnectors. The second layer is disposed on the first layer. The second layer includes a first conductive part. The first conductive part and the first conductive pads with the interconnects are connectable to provide a plurality of press states in response to a press operation.

Abstract: A driving system includes a plurality of driver circuits connected in series, wherein each of the plurality of driver circuits is connected to one or two adjacent driver circuits through a master terminal and a slave terminal. The plurality of driver circuits include a first driver circuit and a second driver circuit. The first driver circuit outputs a first synchronization signal through the master terminal. The second driver circuit outputs a second synchronization signal through the slave terminal when receiving the first synchronization signal through the master terminal. A compensation time corresponding to the second driver circuit is calculated according to an output time point of the first synchronization signal and a reception time point of the second synchronization signal.

Abstract: A method for use by a touch device to operate a touch panel includes allocating a first area of the touch panel to a touch control circuit, and performing a 2-dimensional scan on the first area. The method further includes allocating a second area of the touch panel to the touch control circuit, and applying a scan method or scan rate to the second area different from the first area.

Abstract: A digital-to-analog converter (DAC) includes at least one multiplexer (MUX), wherein each of the MUX includes a plurality of basic switches and an assistant switch. The plurality of basic switches are coupled between an output terminal of the MUX and a plurality of input terminals of the MUX, and controlled by a plurality of grayscale codes. The assistant switch is coupled to the output terminal of the MUX, and controlled by a control signal different from each of the plurality of grayscale codes.

Abstract: A driving circuit and driving method adapted for driving a data line of a display panel are provided. At least one predetermined table is provided by a controller circuit and applied according to a polarity state of a pixel data in related to a polarity state of its previous pixel data. A first or second mapping table is selected when the two polarity states are identical. A third or fourth mapping table is selected when the two polarity states are different. A corresponding pixel voltage based on the selected mapping table is generated for driving the data line, such that polarity transition between two adjacent sub-pixel units using common data line is considered. In addition, a method of establishing the at least one predetermined table is proposed as well. The invention achieves in providing better visual performances and suppressing conventional visual defects on a liquid crystal display panel.

Abstract: A display driver circuit for controlling a display panel includes a first operational amplifier, a second operational amplifier and a first output switching circuit. The first output switching circuit is coupled to the first operational amplifier and the second operational amplifier. The first output switching circuit couples the first operational amplifier to a first data line of the display panel in a first scan period, to control the first operational amplifier to drive a first subpixel having a first color through the first data line. The first output switching circuit couples the first operational amplifier to a second data line of the display panel in a second scan period, to control the first operational amplifier to drive a second subpixel having the first color through the second data line.

Abstract: A first driver circuit is couplable to at least one second driver circuit. Each of the first driver circuit and the at least one second driver circuit has a first terminal and a second terminal. The first terminal of each of the driver circuits is commonly coupled to a first transmission bus, and the second terminal of each of the driver circuits is commonly coupled to a second transmission bus. The first driver circuit receives a notification from each of the at least one second driver circuit, outputs a confirmation signal through the first terminal after receiving the notification from each of the at least one second driver circuit, and starts a preset operation for sensing with a delay of a compensation time for the first driver circuit after outputting the confirmation signal.

Abstract: A method and a device for image sticking compensation in an organic light-emitting diode (OLED) display are proposed. The method includes to receive a current frame, compute current offset data corresponding to the current frame based on previous cumulative stress data indicating accumulated stress imposed on the OLED display by one or more previous frames preceding the current frame, and apply the current offset data to the current frame to generate a compensated current frame, where the current offset data includes a first current offset value that is positive and a second current offset value that is negative.

Abstract: The present disclosure provides a display driving IC and a display module comprising the display driving IC. The display driving IC includes: a plurality of metal bumps arranged along a first boundary; and a data processing circuit for receiving multiple display data. The data processing circuit divides the plurality of chip signal channels into multiple groups of chip signal channels, employs an opposite connection state to connect to corresponding groups of panel signal channels, and controls the filling sequence of the display data based on the connection state. Through this design, the present disclosure achieves a slim bezel effect while avoiding the metal layer resource consumption problems associated with traditional lower bump schemes, and simplifies part number management through a standardized bump structure and configuration, thereby improving production efficiency.

Abstract: A driving method includes steps of: providing a source operational amplifier (SOP) to drive a display element; operating the SOP at a first bias current value when the display element is refreshed with a first refresh rate; and operating the SOP at a second bias current value different from the first bias current value when the display element is refreshed with a second refresh rate different from the first refresh rate.

Abstract: A multi-channel circuit is provided. The multi-channel circuit includes a plurality of channel circuits and an overcurrent protection circuit. The channel circuits are configured to output sensing signals associated with channel output signals. Each channel circuit includes a channel output circuit for outputting a channel output signal and one of the sensing signals is associated with the channel output signal of the channel output circuit. The overcurrent protection circuit includes a selection circuit, a current sensing circuit and a comparator. The selection circuit is configured to receive sensing signals associated with channel output signals and select a target sensing signal from the sensing signals. The current sensing circuit is configured into convert the target sensing signal into a target sensing voltage. The comparator is configured to compare the target sensing voltage with a reference voltage to generate a comparison result indicating an overcurrent situation of the channel circuits.

Abstract: A clock and data recovery circuit includes a phase detector and a data sorter. The phase detector includes N samplers and N comparators. The N samplers are used to sample a data signal using N clocks to generate N sampled values. N is an integer greater than 1. A comparator of the N comparators compares a phase of the data signal and a phase of a selected clock of the N clocks. The data sorter is coupled to the phase detector to determine a data order of the N sampled values and disable a subset of the N comparators according to the data order and a promised transition edge.

Abstract: A gain amplifier includes a gain stage, a transimpedance amplifier stage and a feedback stage. The gain stage includes two resistors, two PMOS transistors and two NMOS transistors. A first terminal of the first PMOS transistor and a first terminal of the second PMOS transistor are connected to the first resistor. A first terminal of the first NMOS transistor and a first terminal of the second NMOS transistor are connected to the second resistor. A second terminal of the first PMOS transistor is connected to a second terminal of the first NMOS transistor. A gate terminal of the first PMOS transistor is connected to a gate terminal of the first NMOS transistor. A second terminal of the second PMOS transistor is connected to a second terminal of the second NMOS transistor. A gate terminal of the second PMOS transistor is connected to a gate terminal of the second NMOS transistor.