Abstract: Multipoint locating method and device on a touch screen with a single conducting layer are provided. In the method, if there is a minimum detection unit with a capacitance variation amount greater than a preset condition to be partitioned, partitioning out a calculation matrix corresponding to the minimum detection unit to be partitioned. Therefore, multipoint locating on a touch screen with a single conducting layer is implemented.

Abstract: It relates to an LCD touch screen and applications integrating single layer capacitive sensor, comprising first underlayer, second underlayer, liquid crystal imaging material and control circuit. It also comprises capacitive touch sensor, which comprises an electrode layer set between the said first underlayer and second underlayer. The said electrode layer comprises electrodes and electrode conductors which are used for electric connection of various electrodes; both of the said electrodes and electrode conductors are set in the same plane. In the invention, the single layer capacitive sensor is set inside of the LCD touch screen, so as to reduce the thickness of the LCD touch screen, conforming to the development tendency of LCD touch screen to thin even ultra-thin ones.

Abstract: The present invention relates to touch screen technology, and provide a weight pressure process method and system of the self capacitive touch screen. In the weight pressure process method and system of the self capacitive touch screen provided by the invention, a threshold relationship is used to modify the existing touch threshold, the threshold relationship uses the touch threshold and the minor change of the changes of two channels adjacent to the channel corresponding to the maximum value as variables, if the maximum value is not greater than the value of the threshold relationship, identify the point causing the current change as a fake point and filter out the fake point. In the method, the change of the self capacitor caused by the deformation due to pressure, so the actual touch point can be identified more accurately, a touch application can be performed correctly, and the user experience is improved greatly.

Abstract: A single layer self-capacitance touch screen and its data processing method which can realize multi-touch identification, the said touch screen includes at least two self-capacitance electrode assemblies independent of each other, all of which are located in the same plane layer and fully cover the whole touch zone of the touch screen without overlapping each other; the said self-capacitance electrode assembly includes at least a pair of self-capacitance coupling electrode couples, which include two electrode plates seated in the same plane, and these two electrode plates all include their own straight-line electrode plate coupling side and straight-line electrode plate base, which have included angle of acute angle; in the self-capacitance electrode assembly, the center lines of the self-capacitance coupling electrode couples are placed parallel to each other, and the center lines of arbitrarily two self-capacitance coupling electrode couples are also placed parallel to each other.

Abstract: It is provided a noise reduction method, device and system on the basis of touch detection of a capacitive screen. The noise reduction method includes: sending a first scanning waveform to all receiving terminals by a first sending terminal and then sending a second scanning waveform to all the receiving terminals by a second sending terminal during a detection time period, wherein the phase of the first scanning waveform is continuous with that of the second scanning waveform and the first scanning waveform has a same frequency as that of the second scanning waveform; and filtering a signal received by the receiving terminals after demodulating it. Non-gap scanning can be achieved by performing continuation process to the scanning waveform, i.e. by achieving that the phases are continuous and the frequencies are the same.

Abstract: A touch screen apparatus and a processing method thereof. In the touch screen apparatus according to the embodiment of the invention, a frequency spectrum analyzing unit determines that a frequency domain signal of a signal received by a receiving unit in the touch screen apparatus or of a signal obtained by processing the signal received by the receiving unit for at least once includes a predetermined noise signal feature, and then a frequency control unit controls the frequency of the signal sent by a sending unit, so that there is as little interference of the noise as possible when the sending unit performs transmission.

Abstract: A touch control display device is provided according to embodiments of the disclosure. The touch control display device includes: a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a common electrode and a plurality of pixel units; and a plurality of touch sensing electrodes disposed above the common electrode, where the plurality of touch sensing electrodes are arranged in a two-dimensional array. With the solution according to the embodiments of the disclosure, the noise can be reduced and the frame rate of touch detection scan can be enhanced.

Abstract: A self-capacitive touch panel is provided, including: a plurality of self-capacitive touch sensing electrodes arranged on a single layer; a touch control circuit configured to drive the plurality of self-capacitive touch sensing electrodes, to detect the changes of the self-capacitances of the plurality of self-capacitive touch sensing electrodes, and to determine a touch position based on the changes of the self-capacitances; an insulating layer covering the surface of the plurality of self-capacitive touch sensing electrodes; and an isolating electrode covering the surface of the insulating layer and connected to the touch control circuit. With the solutions according to the embodiments of the invention, the accuracy of touch detection may be enhanced.

Abstract: A close-range sensing method based on a capacitive touch screen is provided, which includes: short-circuiting mutually N electrodes in the capacitive touch screen and connecting the N electrodes to a detecting circuit, where N is equal to or greater than 2; performing, by the detecting circuit, detection on the N electrodes; and calculating a distance from the capacitive touch screen to a human body or an object nearby based on a detection result. A corresponding device and a communication terminal are further provided in the embodiment of the present invention. The detecting data of the N electrodes can be accumulated to improve the accuracy of the detection. And, the detection noise is the same as the noise in the case where the detection is performed on any one electrode separately.

Abstract: The application discloses a touch detection method, a touch detection apparatus and a touch screen system. The touch detection method utilizes a closure strategy to close certain detection processes among three detection processes comprising a Y-direction electrode array detection, an X-direction electrode array detection and an XY-direction electrode array detection. Specifically, when it is detected in one of the three detection processes that no touch signal is generated on the touch screen, the other two of the three detection processes are not to be started; when it is determined that the touch signal on the touch screen is a multi-touch signal, one of the Y-direction electrode array detection and the X-direction electrode array detection that has not been executed is refrained from being started.

Abstract: A capacitive touch screen and a method for manufacturing the same are provided. The capacitive touch screen includes: a transparent medium; a plurality of sensing electrodes provided on a lower surface of the transparent medium, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bonded onto the lower surface of the transparent medium, wherein the touch control chip is connected with each of the plurality of sensing electrodes via a wire.

Abstract: A touch display apparatus is provided. The touch display apparatus includes a display touch screen including a first substrate, a second substrate, a liquid crystal layer and multiple pixel units, the display touch screen includes multiple common electrodes arranged in a two-dimensional array; and a display touch control circuit including a display control circuit and a touch control circuit. The display touch control circuit is connected to the multiple common electrodes through wires in such a way that the multiple common electrodes are connected to a common level provided to the display control circuit in the case of a display is performed, and each of the multiple common electrodes is connected to the touch control circuit as a touch sensing electrode in the case of a touch sensing is performed.

Abstract: A touch display apparatus is provided, which includes: a first substrate; a second substrate arranged in parallel to the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; and a plurality of touch sensing electrodes which are disposed on the lower surface of the first substrate and arranged in a two-dimensional array. An anti-interference performance may be improved according to the embodiments of the present invention.

Abstract: The embodiments of the invention disclose a capacitive touch screen, including: a substrate; a plurality of sensing electrodes provided on the substrate, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bound to the substrate, the touch control chip being connected with each of the plurality of sensing electrodes via a corresponding wire; the touch control chip being configured to detect a change of self-capacitance of each of the plurality of sensing electrodes by using a detection circuit with an adjustable precision, so as to determine touch information. The capacitive touch screen disclosed in the embodiments of the invention can achieve a true multi-touch and detect the touch positions of different touch objects accurately.

Abstract: An organic light-emitting diode display device integrated with a touch control function, includes: a substrate; an organic light emitting layer disposed on the substrate; protective glass disposed on the organic light emitting layer; a plurality of sensing electrodes disposed on the protective glass, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bound onto the protective glass, wherein the touch control chip and the plurality of sensing electrodes are located on a same side of the protective glass, and the touch control chip is connected with each of the plurality of sensing electrodes via a wire. Therefore, the error caused by noises accumulation between the electrodes is avoided, and signal-to-noise ratio is significantly improved.

Abstract: A capacitive touch screen, includes: a substrate; a plurality of sensing electrodes provided on the substrate, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bound to the substrate, the touch control chip being connected with each of the plurality of sensing electrodes via a corresponding wire. The touch control chip includes a driving source, a detection circuit and a timing control circuit, and each of the sensing electrodes is connected with the driving source and the detection circuit. The timing control circuit starts or cuts off the driving source according to a preset control scheme, and the detection circuit detects the change of the capacitance of each of the sensing electrodes to detect a touch position of a touch body on the touch screen.

Abstract: The embodiments of the disclosure provide a capacitive touch screen, including: a substrate; a plurality of sensing electrodes provided on the substrate, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bound to the substrate, the touch control chip being connected with each of the plurality of sensing electrodes via a corresponding wire. The capacitive touch screen according to the embodiments of the disclosure solves the problem of errors caused by noise transmission between electrodes in the prior art on the premise of achieving multi-touch, thereby significantly improves the signal-to-noise ratio.

Abstract: A capacitive touch screen is provided, which includes: a transparent cover lens; multiple sensing electrodes disposed on a surface of the transparent cover lens and arranged into a two-dimensional array; and a touch control chip bonded onto the surface of the transparent cover lens, the touch control chip being connected with each of the multiple sensing electrodes via a wire. The capacitive touch screen may decrease errors caused by the transmission of noises between electrodes in the prior art on the premise of implementing multi-ouch, thus significantly improving signal-to-noise ratio (SNR).

Abstract: A touch display device includes: a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate; a plurality of sensing electrodes disposed on the upper surface of the first substrate, where the plurality of sensing electrodes are arranged in a two-dimensional array; a touch control chip bound onto the upper surface of the first substrate, where each of the sensing electrodes is connected to the touch control chip by wires. The touch control chip detects the capacitance of each sensing electrode. The ability of restraining power supply noise is highly improved and the interference of noise in the touch detection is reduced in embodiments of the invention.

Abstract: A detecting method for a capacitive touch-control apparatus is disclosed, which includes: sequentially driving M groups of electrodes in a first dimension and N groups of electrodes in a second dimension for detection, wherein either of M and N is a natural number, any group of electrodes includes two or more electrodes and the two or more electrodes are detected simultaneously; and calculating a first dimension coordinate and a second dimension coordinate of a touch position according to a result of the detection on the groups of electrodes in the first dimension and in the second dimension, respectively, to determine a group of possible touch positions. A corresponding device is further provided.