Abstract: A touch display device and a driving method thereof are provided. A driving signal line configured to drive light emitting unit to emit light is multiplexed as a detection electrode. Moreover, the capacitance is formed between the detection electrode and a transparent conductive layer, the capacitance can be changed according to a change in touch force, so that when a position of the detection electrode is pressed, a distance between the detection electrode and the transparent conductive layer changes, and the capacitance between the detection electrode and the transparent conductive layer changes accordingly. In this way, a magnitude of the force at a touch position can be determined by a change in a capacitance value between the detection electrode and the transparent conductive layer, so that a force touch function can be realized.

Abstract: A touch circuit includes a first pull-up sub-circuit, a first switching sub-circuit, a second pull-up sub-circuit, a second switching sub-circuit and a touch IC. The touch IC includes a data signal port and a clock signal port. The first pull-up sub-circuit is electrically connected to a first signal input terminal and the data signal port. The first switching sub-circuit is electrically connected to the data signal port, the first signal input terminal and a data signal input terminal. The second pull-up sub-circuit is electrically connected to the first signal input terminal and the clock signal port. The second switching sub-circuit is electrically connected to the clock signal port, the first signal input terminal and a clock signal input terminal.

Abstract: The present disclosure provides a common voltage generation circuit, a common voltage generation method, and a display device, and belongs to the field of display technology. The common voltage generation circuit includes: an initial common voltage generation component configured to generate an initial common voltage controlled by a ground voltage and a positive power supply voltage according to a clock synchronization signal and a serial digital signal as received; and a common voltage adjustment component configured to generate a common voltage controlled by the ground voltage and a negative power supply voltage according to the initial common voltage.

Abstract: A touch display device and a driving method thereof are provided. A driving signal line configured to drive light emitting unit to emit light is multiplexed as a detection electrode. Moreover, the capacitance is formed between the detection electrode and a transparent conductive layer, the capacitance can be changed according to a change in touch force, so that when a position of the detection electrode is pressed, a distance between the detection electrode and the transparent conductive layer changes, and the capacitance between the detection electrode and the transparent conductive layer changes accordingly. In this way, a magnitude of the force at a touch position can be determined by a change in a capacitance value between the detection electrode and the transparent conductive layer, so that a force touch function can be realized.

Abstract: A backlight module suitable for thermal coupling with a display panel includes a light guide plate which has a light incident surface and a light exiting surface, a light source configured such that light emitted therefrom enters the light guide plate from the light incident surface and exits the light guide plate from the light exiting surface to irradiate onto the display panel, a heat sink configured to partially accommodate the light guide plate and the light source, and a heat conducting device disposed between the heat sink and the display panel to conduct heat generated from the display panel to the heat sink. The backlight module can quickly dissipate heat generated from a heat concentrated area of the display panel to the outside.

Abstract: A discharge circuit, a discharge method, and a display device are disclosed. The discharge circuit includes a switch sub-circuit and a discharge control sub-circuit. The switch sub-circuit is configured to: receive a control signal, in which the control signal is determined by a working state of a display device, output a first voltage signal as a discharge input signal when the control signal has a first polarity, and output a second voltage signal as the discharge input signal when the control signal has a second polarity; and the discharge control sub-circuit is configured to: receive the discharge input signal from the switch sub-circuit; and generate and output a discharge control signal according to the discharge input signal.

Abstract: A method and a circuit for modulating an eye diagram amplitude, a method and a circuitry for data transmission, and a display device are provided. The method for modulating an eye diagram amplitude includes: an eye diagram amplitude setting step, including: setting, by a base eye diagram amplitude setting unit, a base eye diagram amplitude for a source driver; a preset differential signal outputting step, including: outputting, by a preset differential signal outputting unit, a preset differential signal to the source driver; a comparing step, including: comparing, by a comparing unit, a differential signal received by the source driver and the preset differential signal to obtain a comparison result; and a modulating step, including: modulating, by an eye diagram amplitude modulating unit, an eye diagram amplitude of the source driver based on the comparison result.

Abstract: Disclosed is a composite abrasive with hard core and soft shell, comprising hard abrasive core with grain diameter in a range of 0.1˜1 ?m and a soft oxide shell with thickness in a range of 5˜100 nm, the grain size of the oxide of the soft oxide shell is in a range of 5˜20 nm, the composite abrasive is obtained from aqueous solution of oxide inorganic salt precursor and the hard abrasive by dispersing, constant temperature reflux hydrolyzing, solid-liquid separating, washing and drying. The component abrasive with hard core and soft shell of the present invention can improve the manufacturing efficiency and the surface quality during the ultraprecise manufacturing of the sapphire substrate.

Abstract: A test device for a printed circuit board assembly is disclosed. The test device includes a test platform for securing a printed circuit board assembly to be tested and a positioning platform located above the test platform and for securing a plurality of test probes. The plurality of test probes are secured at the bottom of the positioning platform and the secured positions in the positioning platform thereof are adjustable to align the test points on the printed circuit board assembly to be tested.

Abstract: The present disclosure provides a common voltage generation circuit, a common voltage generation method, and a display device, and belongs to the field of display technology. The common voltage generation circuit includes: an initial common voltage generation component configured to generate an initial common voltage controlled by a ground voltage and a positive power supply voltage according to a clock synchronization signal and a serial digital signal as received; and a common voltage adjustment component configured to generate a common voltage controlled by the ground voltage and a negative power supply voltage according to the initial common voltage.

Abstract: A substrate, a touch screen and a touch display device to enhance the anti-interference and anti-static ability of the touch screen are disclosed. The substrate comprises a functional area and a peripheral area, wherein a first wiring and a second wiring insulating from each other are arranged in the peripheral area, the first wiring and second wiring are grounded respectively and are connected to a circuit board respectively to form a ground wire conduction loop; and the first wiring and the second wiring have a plurality of cross points. The touch screen comprises said substrate. The substrate provided in the present disclosure can be used in the touch display device.

Abstract: A touch substrate and a manufacturing method thereof, and a display device are provided. The touch substrate includes: a first touch electrode, a second touch electrode, and a first wire; the first touch electrode extending from a first side edge of a touch region to a second side edge thereof; the second touch electrode extending from a third side edge of the touch region to a fourth side edge thereof; the first wire extending within the touch region after being electrically connected to either the first touch electrode or the second touch electrode, and extending from the fourth side edge to a wiring region located at the fourth side edge.

Abstract: A method and a circuit for modulating an eye diagram amplitude, a method and a circuitry for data transmission, and a display device are provided. The method for modulating an eye diagram amplitude includes: an eye diagram amplitude setting step, including: setting, by a base eye diagram amplitude setting unit, a base eye diagram amplitude for a source driver; a preset differential signal outputting step, including: outputting, by a preset differential signal outputting unit, a preset differential signal to the source driver; a comparing step, including: comparing, by a comparing unit, a differential signal received by the source driver and the preset differential signal to obtain a comparison result; and a modulating step, including: modulating, by an eye diagram amplitude modulating unit, an eye diagram amplitude of the source driver based on the comparison result.

Abstract: A discharge circuit, a discharge method, and a display device are disclosed. The discharge circuit includes a switch sub-circuit and a discharge control sub-circuit. The switch sub-circuit is configured to: receive a control signal, in which the control signal is determined by a working state of a display device, output a first voltage signal as a discharge input signal when the control signal has a first polarity, and output a second voltage signal as the discharge input signal when the control signal has a second polarity; and the discharge control sub-circuit is configured to: receive the discharge input signal from the switch sub-circuit; and generate and output a discharge control signal according to the discharge input signal.

Abstract: The present disclosure provides an operating method for adjusting a brightness level of a touch display device with a touch display panel, including: detecting a touch motion performed on the touch display panel; adjusting the touch display panel to display images with a first brightness level; detecting a distance between a user and the touch display panel; and adjusting the brightness level of the touch display panel to display images based on the distance between the user and the touch display panel.

Abstract: A display screen, a touch pen and a display module are disclosed. The display screen includes a frame, a touch display panel, a controller and a plurality of sound wave detectors; the plurality of sound wave detectors are disposed at different positions on the frame and at the same side of frame as an operating surface of the touch display panel. Sound wave detector detects sound wave signals sent by sound wave emission sources and sends the detected sound wave signals to the controller; the touch display panel detects electromagnetic signals sent by electromagnetic generators and sends them to the controller; the controller determines actual touch positions of a plurality of touch pens on the touch display panel based on the electromagnetic signals and sound wave signals emitted by sound wave emission sources of the touch pens to achieve accurate positioning.

Abstract: An active pen for a touch module, including: gravity sensing part, a signal transmitting part connected with an output end of said gravity sensing part; wherein, said gravity sensing part is configured to output a corresponding gravity sensing output signal according to an angle between said active pen and a horizontal plane; said signal transmitting part is configured to transmit said gravity sensing output signal to said touch module. Such active pen has no requirement on the material of the pen tip, reducing the cost.

Abstract: An apparatus and a method for implementing touch feedback is provided. The method for implementing touch feedback includes determining a touch region corresponding to a touch operation in response to the touch operation on a touch display device, processing an image to be displayed based at least in part on the touch region wherein the processing includes adjusting image features of the image to be displayed in the touch region, and displaying the processed image to be displayed on the touch display device.

Abstract: A bezel frame for a touch screen is disclosed. The touch screen includes a touch panel component, a plurality of flexible printed circuit boards, a plurality of signal processing printed circuit boards, and peripheral wirings. The bezel frame includes an inner surface defining a groove for accommodating an edge portion of the touch panel component, the plurality of flexible printed circuit boards, the plurality of signal processing printed circuit boards, and the peripheral wirings.

Abstract: Disclosed in the invention are a projector screen, touch screen projection displaying method and system, which belong to the field of display technology. The touch screen projection displaying system comprises a projector screen, a processing module and a projector, wherein the projector screen is provided with a capacitive touch film layer, is connected with the processing module, and is configured to receive a touch operation via the capacitive touch film layer, and transmit the touch position information generated by the touch operation to the processing module; the processing module is connected with the projector, and is configured to determine the target image information according to the touch position information; and the projector is configured to receive the target image information transmitted by the processing module, process the target image information, and project the processed target image information onto the projector screen.