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: 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 panel is provided, which includes a printed circuit board, a plurality of sensing electrodes and a touch control chip. The sensing electrodes are located on the printed circuit board in a two-dimensional array arrangement. The touch control chip is bound to the printed circuit board in a Chip-on-Board manner, and the touch control chip is connected to each of the plurality of sensing electrodes via a wire.

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 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: 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: 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 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: A touch control method and a device related thereto are provided. The capacitance touch device includes: a capacitive sensor; a capacitance detection circuit connected to the capacitive sensor and adapted to output a first signal in response of a change of the capacitance of the capacitive sensor in the case of a touch on the capacitance touch device; at least one pressure sensor adapted to sense a pressure produced by the touch on the capacitance touch device; a pressure detection circuit connected to the pressure sensor and adapted to output a second signal based on a sensing result of the pressure sensor; a data processing device connected to the capacitance detection circuit and the pressure detection circuit, and adapted to determine touch control information with pressure information based on the first signal and the second signal.

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.

Abstract: It is provided a touch screen device applied in an electronic information technology area. In the touch screen device supporting an active capacitance stylus, a demodulation unit demodulates a signal received by a reception unit by two orthogonal signals, and then an amplitude recovery unit recovers an amplitude of the signal received by the reception unit, the amplitude of the signal received by the reception unit can be recovered relatively exactly without the need that the demodulation signal must be synchronous with the signal received by the reception unit (or the signal transmitted from the active capacitance stylus), and there is no need to add additional hardware resources for synchronization in the touch screen device of the embodiment of the present invention compared with the existing detection method which needs to perform synchronization of the demodulation signal and the signal transmitted from the active capacitance stylus in the prior art.

Abstract: The embodiments of the present invention disclose a touch stylus, a touch detection method and a touch detection system, which are suitable to be used for writing on a capacitive touch screen and can increase the success rate of touch. A method according to an embodiment of the present invention includes: receiving, by a sensing electrode, a square wave signal sent from a stylus tip of a touch stylus; performing a detection process on the square wave signal, by a sensing detection unit, the sensing detection unit having a clock synchronized with a clock of the touch stylus; determining, by a signal processing unit, whether a touch event occurs according to the square wave signal processed with the detection process; and calculating position coordinates of the touch event and reporting the position coordinates to a system control unit, by the signal processing unit, if a touch event occurs.

Abstract: A method of avoiding the mutual interference of touch detection with LCD scan, based on the LCD touch screen set with capacitive touch sensor. As to the said method, first of all, divide the entire LCD touch screen into at least two regions; then, set the touch detection timing sequence and LCD scan timing sequence for the LCD touch screen, enabling the touch detection process and LCD scan process to meet the condition of only conducting one process of touch detection process and LCD scan process within the same time period and same region, thus, enabling both of the touch detection process and LCD scan process to keep mutual independent running status either in time domain or in spatial domain. The invention has separated the touch detection process and LCD scan process from time domain and spatial domain, avoiding mutual interaction and mutual interference of the two processes.

Abstract: A touch detection system of a terminal device and a terminal device are provided. In the touch detection system, once the charging of the mutual-capacitor and the self-capacitor, the detection circuit can be multiplexed. That is, the capacitor charging/discharging circuit is connected to the amplifier, the charge in the self-capacitor or the mutual-capacitor is transferred to the output of the amplifier by the capacitor between the output and one input of the amplifier, and the other input of the amplifier is connected to a reference signal source, so that a signal processing unit can determine a touch on the capacitive touch screen based on the output voltage of the amplifier. It is unnecessary to use multiple circuits to detect the capacitances of the mutual-capacitor and the self-capacitor, so as to simplify the structure for detecting the touch of the customer on the capacitive touch screen in the terminal device.

Abstract: A method of driving and detection for a capacitive touch screen and a device thereof are provided. The method includes: sending, from a driving side, excitation signals through a plurality of channels simultaneously during the same driving and detection time period; receiving, by each of receiving channels at a receiving side, a charge signal generated from the excitation signals through coupling capacitances at corresponding touch detection points, and performing detection, which includes: converting and amplifying the charge signal into a voltage signal, and performing signal demodulation and analog-to-digital conversion on the voltage signal; and storing digital signals obtained from the analog-to-digital conversion, and analyzing the digital signals by a controller to obtain a detection result. This can achieve rapid scan, increase frame rate in detection, and meet the rapidity requirement for performing display driving and touch detection at different time slots.

Abstract: A communication device applied in the field of electronic device technique is disclosed. In the communication device of embodiments of the invention, when a new communication function is added, the communication antenna may be arranged on the surface of the touch-display screen of the communication device or is embedded inside the touch-display screen; or an electrode included in the touch-display screen of the communication device is reused as the communication antenna and the communication function and the electrode function is coordinated by a control circuit; furthermore, a communication processing function circuit corresponding to the communication antenna is configured flexibly in conjunction with other processors of the communication device. Therefore the volume of the communication device is not increased when a new communication function is added to the communication device.

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: 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 is provided a touch screen device applied in an electronic information technology area. In the touch screen device supporting an active capacitance stylus, a demodulation unit demodulates a signal received by a reception unit by two orthogonal signals, and then an amplitude recovery unit recovers an amplitude of the signal received by the reception unit, the amplitude of the signal received by the reception unit can be recovered relatively exactly without the need that the demodulation signal must be synchronous with the signal received by the reception unit (or the signal transmitted from the active capacitance stylus), and there is no need to add additional hardware resources for synchronization in the touch screen device of the embodiment of the present invention compared with the existing detection method which needs to perform synchronization of the demodulation signal and the signal transmitted from the active capacitance stylus in the prior art.

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.