Abstract: Disclosed is a pixel sensing circuit, which is in a fingerprint identification mode or a noise detection mode, and includes: a plurality of shielding layers, including a first-type shielding layer and a second-type shielding layer, the second shielding layer being coupled to a ground terminal; and a charging circuit, coupled to the capacitance sensing layer and the first-type shielding layer, and comprising a positive voltage generator configured to providing a positive voltage; wherein when the pixel sensing circuit is in a fingerprint identification mode, the charging circuit periodically provides the positive voltage for the capacitance sensing layer and the first-type shielding layer; or when the pixel sensing circuit is in the noise detection mode, the charging circuit cuts off connections between the positive voltage generator and the capacitance sensing layer and the first-type shielding layer, and periodically outputs a voltage of the capacitance sensing layer to a first output terminal.

Abstract: The present application provides a window function processing module including an integrating circuit, configured to receive an integrating input signal, the integrating circuit comprising an operational amplifier; an integrating capacitor, coupled to an output terminal and a first input terminal of the operational amplifier; and an adjustable impedance module, coupled between the first input terminal of the operational amplifier and an integrating input terminal of the integrating circuit, wherein the adjustable impedance module is controlled by at least one control signal to adjust an impedance value of the adjustable impedance module; and a control unit, coupled to the integrating circuit, configured to generate the at least one control signal according to a window function, to adjust the integration gain of the integrating circuit, such that the integrating output signal is related to an operation result of the integrating input signal and the window function.

Abstract: The present disclosure is applied to touch technology, and provides an integrating circuit. The integrating circuit comprises an impedance unit, an amplifier, an integration capacitor, a discharge capacitor, a first switch and a second switch. The amplifier comprises a first input terminal, a second input terminal and an output terminal configured to output an output signal; the integration capacitor is coupled between the first input terminal and the output terminal; the first switch is coupled between the first input terminal of the amplifier and the second terminal of the discharge capacitor; and the second switch is coupled between the first terminal and the second terminal of the discharge capacitor.

Abstract: Disclosed is a pixel sensing circuit, which is in a fingerprint identification mode or a noise detection mode, and includes: a plurality of shielding layers, including a first-type shielding layer and a second-type shielding layer, the second shielding layer being coupled to a ground terminal; and a charging circuit, coupled to the capacitance sensing layer and the first-type shielding layer, and comprising a positive voltage generator configured to providing a positive voltage; wherein when the pixel sensing circuit is in a fingerprint identification mode, the charging circuit periodically provides the positive voltage for the capacitance sensing layer and the first-type shielding layer; or when the pixel sensing circuit is in the noise detection mode, the charging circuit cuts off connections between the positive voltage generator and the capacitance sensing layer and the first-type shielding layer, and periodically outputs a voltage of the capacitance sensing layer to a first output terminal.

Abstract: A touch sensing method of charge distribution type is disclosed. Firstly, charges in a panel are removed. Next, a scanning signal is provided to scan a plurality of sensing regions of the panel. Subsequently, the panel is set in a first switching mode for charging the panel with the scanning signal. Thereafter, the panel is set in a second switching mode for modifying a distribution of charges injected into the panel. Next, an equivalent voltage is acquired after the charges are distributed at an equilibrium state. Furthermore, a touch sensing apparatus with charge distribution type is provided herein.

Abstract: A touch sensing panel includes first electrodes and second electrodes. The first electrodes are connected with each other. The second electrodes and the first electrodes are formed on a same surface of a substrate. The first electrodes are formed on the substrate in a first direction, and the second electrodes are formed on the substrate in a second direction which is perpendicular to the first direction. Furthermore, the second electrodes are electrically connected with each other through conductive lines, and adjacent two of the first electrodes surround one of the second electrodes.

Abstract: A touch sensing method of charge distribution type is disclosed. Firstly, charges in a panel are removed. Next, a scanning signal is provided to scan a plurality of sensing regions of the panel. Subsequently, the panel is set in a first switching mode for charging the panel with the scanning signal. Thereafter, the panel is set in a second switching mode for modifying a distribution of charges injected into the panel. Next, an equivalent voltage is acquired after the charges are distributed at an equilibrium state. Furthermore, a touch sensing apparatus with charge distribution type is provided herein.