Abstract: A touch detection method for a touch and display driving circuit includes transmitting a first touch pulse signal of a first frame and transmitting a first touch pulse signal of a second frame. A start timing of the first touch pulse signal of the first frame with respect to the first frame is different from a start timing of the first touch pulse signal of the second frame with respect to the second frame.

Abstract: The disclosure provides a method for driving an OLED touch-and-display device, a driving circuit, and an OLED touch-and-display device.

Abstract: A method of controlling a stylus pen of a touch panel includes steps of: outputting an uplink control signal to a sensing electrode of the touch panel for controlling the stylus pen in an uplink control period; and outputting a direct-current (DC) voltage to a gate line of the touch panel in the uplink control period.

Abstract: This disclosure relates to techniques for a driving apparatus including a reordering circuit and a source driving circuit. The reordering circuit can be configured to reorder a plurality of sub-pixel data of an input data string to generate a reordered data string so as to reduce a color switching number associated with a target data line. The source driving circuit can be coupled to the reordering circuit to receive the reordered data string. The source driving circuit can be configured to drive the target data line of a display panel according to the reordered data string.

Abstract: A control circuit configured to control a display panel includes a display driver circuit, a touch sensing circuit and a fingerprint sensing circuit. The touch sensing circuit, coupled to the display driver circuit and the fingerprint sensing circuit, is configured to detect a finger touch on the display panel, determine a position of the display panel on which the finger touch is detected, and send information associated with the position to the fingerprint sensing circuit. The fingerprint sensing circuit is configured to perform fingerprint sensing on at least one zone corresponding to the position and receive fingerprint image signals from the at least one zone correspondingly.

Abstract: A chip capable of controlling a panel to perform fingerprint sensing is provided. Fingerprint sensing pixels of the panel are divided into a plurality of fingerprint zones along a first direction. The chip includes a control circuit. The control circuit provides multiple control signals for controlling the panel to perform fingerprint sensing. The control signals include multiple start pulse signals. The start pulse signals are used to indicate the selected fingerprint zone. The number of the fingerprint zones is greater than the number of the start pulse signals.

Abstract: The disclosure provides a semiconductor chip suit for driving a display panel. The semiconductor chip includes a first pad group and a second pad group. The first pad group and the second pad group are disposed at a first long side of the semiconductor chip. The first distance from the first pad group to the edge of the first long side is different from the second distance from the second pad group to the edge of the first long side. The first pad group and the second pad group belong to a first pad row disposed at the first long side. The first pad group comprises a plurality of pads which are closer to the middle of the first pad row than the second pad group.

Abstract: A chip, an electronic device, a panel and an operation method thereof are provided. The chip can control the panel to perform fingerprint sensing. Fingerprint sensing pixels of the panel are divided into a plurality of fingerprint zones along a column direction. The chip includes a selecting circuit and a control circuit. The selecting circuit obtains information about a selected fingerprint zone among the fingerprint zones. The control circuit provides multiple control signals for controlling the panel to perform fingerprint sensing. The control signals include multiple start pulse signals. The start pulse signals collectively indicate the selected fingerprint zone. The number of the fingerprint zones is greater than the number of the start pulse signals.

Abstract: A display device includes a processor circuit, a driver circuit, and a display panel. The driver circuit is coupled to the processor circuit to detect whether there is abnormal transmission between the processor circuit and the driver circuit. The display panel is coupled to the driver circuit. The display panel includes a display array and a shift register circuit. The display array is to display an image. The shift register circuit is coupled to the display array. When there is the abnormal transmission in a first display period of a first frame, the driver circuit outputs a control signal having a disable level in the first display period to the shift register circuit to control the shift register circuit not to operate in order to stop updating the image.

Abstract: A display device includes a processor circuit, a driver circuit, and a display panel. The driver circuit is coupled to the processor circuit to detect whether there is abnormal transmission between the processor circuit and the driver circuit. The display panel is coupled to the driver circuit. The display panel includes a display array and a shift register circuit. The display array is to display an image. The shift register circuit is coupled to the display array. When there is the abnormal transmission in a first display period of a first frame, the driver circuit outputs a control signal having a disable level in the first display period to the shift register circuit to control the shift register circuit not to operate in order to stop updating the image.

Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.

Abstract: An electronic circuit is adapted to drive a display panel having touch sensors and fingerprint sensors. The electronic circuit includes a first circuit, a second circuit, a first switch circuit and a control circuit. The first circuit processes touch sensing signals from the touch sensors. The second circuit processes fingerprint sensing signals corresponding to a fingerprint from the fingerprint sensors. The first switch circuit includes a plurality of first terminals coupled to the first circuit and the second circuit and a plurality of second terminals configurable to be coupled to the display panel. The first switch circuit couples a part of the first terminals to the second terminals in a first time interval and couples the other part of the first terminals to the second terminals in a second time interval. The touch sensing signals and the fingerprint sensing signals are inputted to the electronic circuit through the second terminals.

Abstract: An electronic circuit adapted to drive a display panel is provided. The display panel includes touch sensors and fingerprint sensors. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the display panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area. The display driving circuit drives pixels of the first area with respective first gray levels and pixels of a second area outside the first area with respective second gray levels. The display driving circuit processes respective third gray levels to obtain the respective second gray levels. The display driving circuit generates gamma voltages corresponding to the respective first gray levels and the respective second gray levels according to the same gamma curve.

Abstract: An electronic circuit adapted to process fingerprint data from a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a first circuit, a second circuit and a control circuit. The first circuit is configured to receive touch sensing signals from the touch sensors. The second circuit is configured to receive fingerprint sensing signals corresponding to at least one fingerprint imprint from the fingerprint sensors via fingerprint sensing lines. The control circuit is configured to determine a fingerprint touch area according to the touch sensing signals, and select a subset of the fingerprint sensing lines to form a fingerprint sensing zone adapted for a fingerprint sensing operation and including at least one boundary based on the determined fingerprint touch area. The subset of fingerprint sensing lines is selected based on the at least one boundary of the fingerprint sensing zone.

Abstract: An electronic circuit for driving a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area of the panel. The display driving circuit drives pixels over the panel with respective first gray levels during a first phase, and drives pixels of the first area with respective second gray levels and pixels of a second area outside the first area with respective third gray levels during a second phase. The respective second gray levels are higher than the respective first gray levels, and the respective third gray levels are lower than the respective second gray levels.

Abstract: An electronic circuit including a touch control circuit, a fingerprint sensing circuit and a switch circuit is provided. The touch control circuit is configured to receive touch sensing signals from a panel and determine a touch area according to the touch sensing signals. The fingerprint sensing circuit is configured to receive fingerprint sensing signals corresponding to at least one fingerprint image from fingerprint sensors disposed in the panel via fingerprint sensing lines. The switch circuit is coupled to the fingerprint sensing circuit. The switch circuit is configured to be coupled to a part of the fingerprint sensing lines that is selected to form a fingerprint sensing zone for a fingerprint sensing operation according to the determined touch area. Each of the fingerprint sensing lines is selectable to be a boundary of the fingerprint sensing zone. An electronic device and a method for sensing at least one fingerprint image are also provided.

Abstract: The disclosure provides a method for driving an OLED touch-and-display device, a driving circuit, and an OLED touch-and-display device.

Abstract: A control circuit configured to control a display panel under normal display includes a display driver circuit, a touch sensing circuit and a fingerprint sensing circuit. The touch sensing circuit, coupled to the display driver circuit, is configured to detect a predetermined touch gesture on the display panel and determine a position of the display panel on which the predetermined touch gesture is detected. The fingerprint sensing circuit, coupled to the touch sensing circuit, is configured to perform fingerprint sensing on at least one zone corresponding to the position when the predetermined touch gesture is detected, in order to perform a specific function.

Abstract: A gate on array circuit for a display device using dual-gate architecture is disclosed. The GOA circuit comprises circuitry configured to, for a first display line of the display device, generate a first gate driving signal and a second gate driving signal for driving a first gate line and a second gate line of the first display line respectively. A first time period when the first gate driving signal is in an activation state for activating the first gate line of the first display line does not overlap with a first time period when the second gate driving signal is in the activation state for activating the second gate line of the first display line.

Abstract: A display device driving method, suitable for a driver circuit, includes the following steps: determining magnitude of a plurality of data voltages according to received display data, and the plurality of data voltages are configured to be transmitted to a plurality of pixel circuits via a plurality of data lines; comparing the magnitude of the plurality of data voltages to generate a comparison result; and before providing corresponding ones of the plurality of data voltages to a first pixel group arranged at an i-th row of the plurality of pixel circuits, providing a first reset voltage having a value determined according to the comparison result to the plurality of data lines, or providing a second reset voltage to m data lines selected according to the comparison result from the plurality of data lines, i is a positive integer, and m is an integer.