Abstract: A touch screen detection chip combination includes a master detection chip and a slave detection chip. The master detection chip and the slave detection chip process touch signals of different regions of a touch screen. The master detection chip is connected to the slave detection chip, and the master detection chip controls the slave detection chip to perform touch signal process on the touch screen. A terminal device is further provided.

Abstract: A touch display apparatus, a corresponding driving circuit, and a driving method are provided. The touch display apparatus includes a driving circuit configured to, during the touch sensing stage, provide a first signal to a common electrode for realizing touch detection during the touch sensing stage, a second signal used to control a thin film transistor of the touch display apparatus to be switched off and is used to decrease charge and discharge capacity of a capacitor formed by the common electrode and the gate line, and a third signal used to decrease charge and discharge capacity of a capacitor formed by the common electrode and a data line. The third signal is used to control the data line to enter a floating state during the touch sensing stage.

Abstract: A fingerprint identification apparatus, including a light path adjustment element, an optical filter layer, and an image sensor, is provided. The light path adjustment element is disposed on a transmission path of an image beam from a fingerprint of a user. The optical filter layer is disposed on a transmission path of the image beam from the light path adjustment element. The optical filter layer has openings. An inclined image beam in the image beam is obliquely incident to the light path adjustment element. The light path adjustment element adjusts a light path of the inclined image beam to be transmitted to the openings along a normal direction. The image sensor is disposed on a transmission path of the image beam from the optical filter layer. The image sensor has pixels. Positions of the pixels respectively correspond to positions of the openings.

Abstract: A touch display control circuit, a control method, and an electronic device are provided. The touch display control circuit is configured to drive STN-LCD screens, TN-LCD screens and CSTN-LCD screens. The touch display control circuit includes a display driving circuit and a touch detection circuit. The display driving circuit includes a signal transmission line, multiple groups of signal selection circuits and a reference voltage generation circuit. The signal transmission line is configured to transmit a gate signal and a common signal. The signal selection circuit is configured to select a preset control voltage based on display control timing or touch control timing. The reference voltage generation circuit is configured to provide the preset control voltage. The touch detection circuit is connected to the signal selection circuit and is configured to perform touch detection based on the touch control timing.

Abstract: A touch and display sensing integrated circuit and a touch display device using the same are provided. The touch display device includes a display and touch sensing integrated circuit and a glass substrate. The glass substrate includes touch/display common voltage electrodes, pixels, pads and conductive lines. Each pixel includes Q sub-pixels. The pads are electrically connected to the touch and display sensing integrated circuit. The Pth and (P+Q+1)th pads are electrically connected to the touch/display common voltage electrode through the corresponding conductive lines, respectively. The (P+1)th to (P+Q)th pads are electrically connected to 1st to Qth sub-pixels of a pixel through the corresponding conductive lines, respectively. The pads are arranged in a first direction, and the conductive lines, which are electrically connected to the pads in a second direction, are non-interlaced.

Abstract: A touch display apparatus, a corresponding driving circuit, and a driving method are provided. The touch display apparatus includes a driving circuit configured to, during the touch sensing stage, provide a first signal to a common electrode for realizing touch detection during the touch sensing stage, a second signal used to control a thin film transistor of the touch display apparatus to be switched off and is used to decrease charge and discharge capacity of a capacitor formed by the common electrode and the gate line, and a third signal used to decrease charge and discharge capacity of a capacitor formed by the common electrode and a data line. The third signal is used to control the data line to enter a floating state during the touch sensing stage.

Abstract: A fingerprint sensing chip and a terminal device are provided. The fingerprint sensing chip includes a first signal, a second signal and a driving signal. The second signal is generated based on the first signal, and the driving signal is generated by performing a ground raise process on the second signal. The driving signal is used to provide a driving voltage for fingerprint sensing.

Abstract: A fingerprint sensing circuit and a fingerprint sensing apparatus are provided. The fingerprint sensing circuit includes a sensing electrode; a first converting circuit connected to the sensing electrode and configured to convert a coupling capacitance sensed by the sensing electrode into a drive voltage, where the drive voltage is equal to a sum of a voltage variation converted from the coupling capacitance and a reference voltage; and a second converting circuit configured to generate a sensing current based on the drive voltage, and send the sensing current to a fingerprint signal processor, where the sensing current is equal to a product of a transconductance gain of the second converting circuit and the voltage variation, and the fingerprint signal processor performs fingerprint sensing based on the sensing current. With the fingerprint sensing circuit and the fingerprint sensing apparatus, the detection accuracy can be improved.

Abstract: A terminal control method based on a fingerprint recognition key, a terminal control device based on a fingerprint recognition key, and a terminal are provided. The method includes: detecting a touch operation on the fingerprint recognition key, acquiring a touch parameter of the touch operation; and controlling a running state of a terminal, in a case where the touch parameter meets a preset condition. With the method, the terminal is controlled by the fingerprint recognition key to switch its running state, such as a turned-on state, a turned-off state, a sleep state, an awake state, a locked state, thereby simplify an operation and improving a user experience. In this case, the power key is cancelled since the function of the power key is implemented by the fingerprint recognition key, thereby reducing the physical components and thus the fabrication cost of the terminal.

Abstract: Sending, receiving and transmitting apparatuses of a dual-power system and a fingerprint recognition system are provided. The dual-power system includes a first power system for providing a first high voltage signal and a first low voltage signal and a second power system for providing a second high voltage signal and a second low voltage signal, and a voltage difference between the first high voltage signal and the first low voltage signal is equal to that between the second high voltage signal and the second low voltage signal. The sending apparatus includes a first detection circuit for outputting a detection signal indicating whether voltages of the first and second low voltage signals are equal; and a first transmission circuit for transmitting an output signal of the dual-power system or provide a first voltage to an output terminal of the sending apparatus, based on the detection signal.

Abstract: A driving method for an in-cell touch display and a mobile device using the same are provided. The driving method for an in-cell touch display comprises the steps of: dividing a frame period into N display/touch detection sub-periods each comprising a display sub-period and a touch detection sub-period; dividing scan lines into M scan-line sets, wherein a position of each of the scan-line sets corresponds to at least one of touch sensors; supplying a display common voltage to the touch sensor corresponding to the Ith scan-line set when the scan line being scanned in the display sub-period of the Kth display/touch detection sub-period comprises the scan line of the Ith scan-line set, wherein N, M, K and I are natural numbers, K is smaller than or equal to N, and I is smaller than or equal to M.

Abstract: A touch and display sensing integrated circuit and a touch display device using the same are provided. The touch display device includes a display and touch sensing integrated circuit and a glass substrate. The glass substrate includes touch/display common voltage electrodes, pixels, pads and conductive lines. Each pixel includes Q sub-pixels. The pads are electrically connected to the touch and display sensing integrated circuit. The Pth and (P+Q+1)th pads are electrically connected to the touch/display common voltage electrode through the corresponding conductive lines, respectively. The (P+1)th to (P+Q)th pads are electrically connected to 1st to Qth sub-pixels of a pixel through the corresponding conductive lines, respectively. The pads are arranged in a first direction, and the conductive lines, which are electrically connected to the pads in a second direction, are non-interlaced.

Abstract: A touch display control circuit, a control method, and an electronic device are provided. The touch display control circuit is configured to drive STN-LCD screens, TN-LCD screens and CSTN-LCD screens. The touch display control circuit includes a display driving circuit and a touch detection circuit. The display driving circuit includes a signal transmission line, multiple groups of signal selection circuits and a reference voltage generation circuit. The signal transmission line is configured to transmit a gate signal and a common signal. The signal selection circuit is configured to select a preset control voltage based on display control timing or touch control timing. The reference voltage generation circuit is configured to provide the preset control voltage. The touch detection circuit is connected to the signal selection circuit and is configured to perform touch detection based on the touch control timing.

Abstract: A method for eliminating image sticking of an in-cell touch display and a mobile device using the same are provided. The method comprises the steps of: providing at least a first common electrode and a second common electrode in the in-cell touch display to perform touch sensing, wherein the first common electrode is electrically connected to a first pin of a touch control circuit through a first charge/discharge route, the second common electrode is electrically connected to a second pin of the touch control circuit through a second charge/discharge route; and in a time except for display time, controlling the first pin and the second pin so that a voltage of the first pin is higher than a voltage of the second pin for at least a first preset period, and then controlling the first pin and the second pin so that a voltage of the second pin is higher than the voltage of the first pin for at least the first preset period.

Abstract: A fingerprint sensing chip and a terminal device are provided. The fingerprint sensing chip includes a first signal, a second signal and a driving signal. The second signal is generated based on the first signal, and the driving signal is generated by performing a ground raise process on the second signal. The driving signal is used to provide a driving voltage for fingerprint sensing.

Abstract: A touch display screen and a touch driving detection method thereof are provided. The touch display screen includes a touch module and a display module. The touch module includes a touch electrode unit and a touch driving detection unit, a touch signal for acquiring a change in capacitance is transmitted between the touch driving detection unit and the touch electrode unit. The display module includes a display electrode unit and a display driving unit, the display driving unit transmits a display driving signal to the display electrode unit. A potential of the touch signal is dynamically adjusted based on potential information of the display driving signal of the display driving unit, or a potential of the display driving signal is dynamically adjusted based on potential information of the touch signal of the touch driving detection unit.

Abstract: A high screen ratio display device with fingerprint identification includes a lower substrate, an upper substrate, and a cover glass. The lower substrate has a thin film transistor array formed with a plurality of thin film transistors and corresponding capacitors to provide an active area. The upper substrate is disposed on one side of the TFT array, and has an optical film layer. The cover glass is disposed on one side of the upper substrate, and has an opening to accommodate a fingerprint identification module. The opening at least partially overlaps the active area, and a space is defined between the opening of the cover glass and the thin film transistor array to accommodate a portion of the fingerprint identification module.

Abstract: A driving method for an in-cell touch display and a mobile device using the same are provided. The driving method for an in-cell touch display comprises the steps of: dividing a frame period into N display/touch detection sub-periods each comprising a display sub-period and a touch detection sub-period; dividing scan lines into M scan-line sets, wherein a position of each of the scan-line sets corresponds to at least one of touch sensors; supplying a display common voltage to the touch sensor corresponding to the Ith scan-line set when the scan line being scanned in the display sub-period of the Kth display/touch detection sub-period comprises the scan line of the Ith scan-line set, wherein N, M, K and I are natural numbers, K is smaller than or equal to N, and I is smaller than or equal to M.

Abstract: A touch screen, an electronic device, a wireless charging method and a wireless charging system are provided, to overcome the defect in the conventional technology that an additional wireless charging device needs to be provided for an electronic device to wirelessly charging the electronic device. The touch screen is applied to the electronic device, and includes a touch sensor and a touch chip, where the touch sensor is electrically connected to the touch chip. In a case that the touch screen is used for wireless charging, the touch chip controls the touch sensor to form a receiving coil or a transmitting coil.

Abstract: A touch screen, an electronic device, a wireless charging method and a wireless charging system are provided, to overcome the defect in the conventional technology that an additional wireless charging device needs to be provided for an electronic device to wirelessly charging the electronic device. The touch screen is applied to the electronic device, and includes a touch sensor and a touch chip, where the touch sensor is electrically connected to the touch chip. In a case that the touch screen is used for wireless charging, the touch chip controls the touch sensor to form a receiving coil or a transmitting coil.