Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: A controller of a touch display device is configured to perform steps of: transmitting a main uplink signal to an input device, the main uplink signal indicating an amount of a plurality of downlink signals transmitted in a frame; transmitting a first sub-uplink signal to the input device, the first sub-uplink signal notifying the input device of a time length of a first downlink signal among the plurality of downlink signals; transmitting a second sub-uplink signal to the input device, the second sub-uplink signal notifying the input device of a time length of a second downlink signal among the plurality of downlink signals; and receiving the plurality of downlink signals from the input device.

Abstract: A method of using an active pen to wake a computer device from a power-saving mode is provided. The computer device includes a detecting apparatus, a processor, and a touch screen display panel. When the computer device is in a power-saving mode, the detecting apparatus continuously detects presence of the active pen within an effective detecting range with respect to the touch screen display panel. The detecting apparatus transmits a wakeup signal to the processor to wake the computer device when the detection circuit detects that the active pen is within the effective detecting range.

Abstract: A touch display panel and a manufacturing method thereof are provided. The touch display panel includes a substrate, a conductor, a first pressure sensing electrode and a second pressure sensing electrode. The conductor is stacked under the substrate, and the conductor is not connected to a bias. The first pressure sensing electrode is disposed on the substrate and disposed above the conductor. A compression zone exists between the first pressure sensing electrode and the conductor, so as to form a first pressure sensing capacitor. The second pressure sensing electrode is disposed on the substrate and disposed above the conductor. The compression zone exists between the second pressure sensing electrode and the conductor, so as to form a second pressure sensing capacitor connected in series with the first pressure sensing capacitor.

Abstract: A controller and a touch display device are disclosed. The controller used in a touch display device is configured to perform: transmitting a first uplink signal to an input device in a time slot of a frame: and transmitting one or more second uplink signal in one or more time slots of the frame to cause the input device to transmit one or more downlink signals in response to each of the one or ore second uplink signals.

Abstract: A method for hybrid touch sensing for detecting a normal touch and a force touch concurrently is provided. The method includes the following steps. Provide a first driving signal to a first capacitor, wherein the first driving signal is a periodic signal with a first frequency. Provide a second driving signal to a second capacitor, wherein the second driving signal is a periodic signal with a second frequency different from the first frequency. Generate a composite sensing signal by feeding the first driving signal and the second driving signal to a front-end circuit. Extract information from the composite sensing signal to calculate a first change in capacitance of the first capacitor and a second change in capacitance of the second capacitor to detect the normal touch and the force touch concurrently.

Abstract: A touch display panel and a manufacturing method thereof are provided. The touch display panel includes a substrate, a conductor, a first pressure sensing electrode and a second pressure sensing electrode. The conductor is stacked under the substrate, and the conductor is not connected to a bias. The first pressure sensing electrode is disposed on the substrate and disposed above the conductor. A compression zone exists between the first pressure sensing electrode and the conductor, so as to form a first pressure sensing capacitor. The second pressure sensing electrode is disposed on the substrate and disposed above the conductor. The compression zone exists between the second pressure sensing electrode and the conductor, so as to form a second pressure sensing capacitor connected in series with the first pressure sensing capacitor.

Abstract: A method for hybrid touch sensing for detecting a normal touch and a force touch concurrently is provided. The method includes the following steps. Provide a first driving signal to a first capacitor, wherein the first driving signal is a periodic signal with a first frequency. Provide a second driving signal to a second capacitor, wherein the second driving signal is a periodic signal with a second frequency different from the first frequency. Generate a composite sensing signal by feeding the first driving signal and the second driving signal to a front-end circuit. Extract information from the composite sensing signal to calculate a first change in capacitance of the first capacitor and a second change in capacitance of the second capacitor to detect the normal touch and the force touch concurrently.

Abstract: A touch panel module including a touch panel and an electrostatic discharge (ESD) protection circuit is provided. The touch panel includes one or more conductive electrodes and one or more dummy electrodes. The one or more conductive electrodes include at least one of one or more driving electrodes and one or more sensing electrodes. The one or more dummy electrodes are configured to fill areas between the one or more conductive electrodes or areas outside the one or more conductive electrodes. The ESD protection circuit is electrically connected to at least one dummy electrode of the one or more dummy electrodes, and configured to provide an electrostatic discharging path to the at least one dummy electrode. Furthermore, an electrostatic discharging method of the touch panel module is also provided.

Abstract: A capacitance measurement device for measuring the capacitance of a measured capacitor includes a charging control unit for charging the measured capacitor; a discharging control unit for discharging the measured capacitor; a voltage converting circuit coupled to the measured capacitor, for converting a voltage signal on the measured capacitor into a value that represents the capacitance of the measured capacitor; wherein in a first period, one of the charging control unit and the discharge control unit charges/discharges the measured capacitor and in a second period after the first period, the other one of the charging control unit and the discharge control unit discharges/charges the measured capacitor.

Abstract: A touch panel module including a touch panel and an electrostatic discharge (ESD) protection circuit is provided. The touch panel includes one or more conductive electrodes and one or more dummy electrodes. The one or more conductive electrodes include at least one of one or more driving electrodes and one or more sensing electrodes. The one or more dummy electrodes are configured to fill areas between the one or more conductive electrodes or areas outside the one or more conductive electrodes. The ESD protection circuit is electrically connected to at least one dummy electrode of the one or more dummy electrodes, and configured to provide an electrostatic discharging path to the at least one dummy electrode. Furthermore, an electrostatic discharging method of the touch panel module is also provided.

Abstract: An energy-efficient touch panel control device includes a touch panel, a buffer memory, an analog to digital conversion unit, for converting analog output voltage to digital trace data and storing the digital trace data in the buffer memory, and according to a control signal, switching an operating mode, an operation unit, generating a detecting result according to the digital trace data, switching the operating mode according to an interrupt signal, and including a mode control unit, for generating the control signal according to the interrupt signal, and a host interface unit.

Abstract: A touch detection method for a touch control device including a touch panel includes examining whether a charging capacity for charging a measured capacitor of the touch panel and a discharging capacity for discharging the measured capacitor are determined; charging and discharging the measured capacitor by using the charging capacity and the discharging capacity when the charging capacity and the discharging capacity are determined and receiving a count value representing the capacitance of the measured capacitor, examining whether a base count value is set, calculating a difference between the count value and the base count value when the base count value is set, for determining whether the touch panel is touched, examining whether the count value is in a predetermined range, and performing a charging and discharging capacity setting process when the count value is out of the predetermined range, for adjusting the charging capacity and the discharging capacity.

Abstract: A capacitance measurement device for measuring the capacitance of a measured capacitor includes a charging control unit for charging the measured capacitor; a discharging control unit for discharging the measured capacitor; a voltage converting circuit coupled to the measured capacitor, for converting a voltage signal on the measured capacitor into a value that represents the capacitance of the measured capacitor; wherein in a first period, one of the charging control unit and the discharge control unit charges/discharges the measured capacitor and in a second period after the first period, the other one of the charging control unit and the discharge control unit discharges/charges the measured capacitor.

Abstract: A capacitance measurement device includes a charging control unit for charging a measured capacitor, a discharging control unit for discharging the measured capacitor, a first switch coupled to the measured capacitor and the charging control unit for controlling a connection between the measured capacitor and the charging control unit according to a first switching signal, a second switch coupled to the measured capacitor and the discharging control unit for controlling a connection between the measured capacitor and the discharging control unit according to a second switching signal, a first A/D converter coupled to the measured capacitor for converting a voltage signal on the measured capacitor into a first signal, and a duty cycle detecting circuit coupled to the measured capacitor for converting the voltage signal on the measured capacitor into a count value that represents the capacitance of the measured capacitor and outputting the count value to a processing unit.

Abstract: A capacitive touch screen includes a plurality of touch sensing electrodes and a touch controller. Each of the plurality of touch sensing electrodes includes at least one driving area and at least one receiving area. The at least one driving area and the at least one receiving area are located in a same layer of the capacitive touch screen. The touch controller, electrically connected to the at least one driving area and the at least one receiving area in the plurality of touch sensing electrodes, is utilized for scanning the at least one driving area in order and detecting signals received by the at least one receiving area, or scanning the at least one receiving area in order and detecting signals received by the at least one driving area.

Abstract: A touch structure is provided. The touch structure includes a first sensing electrode, a second sensing electrode, a first dummy pattern and a second dummy pattern. The first sensing electrode and the second sensing electrode are arranged in a staggered manner and electrically insulated from each other. The first dummy pattern is adjacent to the first sensing electrode and has a first pattern acute angle. The second dummy pattern is adjacent to the second sensing electrode and has a second pattern acute angle. The first dummy pattern and the second dummy pattern are separated from each other. The first pattern acute angle and the second pattern acute angle are faced toward the same overlapped portion between the first sensing electrode and the second sensing electrode substantially.

Abstract: A touch detection method is used in a touch panel. The touch panel is capacitive touch panel integrated with a display panel. The method includes at least obtaining at least one control signal carrying synchronous information from the display panel. The control signal is used to control the display panel to display an image. The method also includes analyzing the control signal to obtain an interference time period, at which the touch panel is possibly interfered, and generating a trigger signal. A driving voltage signal and a sensing period of the touch panel are controlled according to the trigger signal, so that the sensing period is not overlapped with the interference time period.

Abstract: A method of detecting a touch event for a touch panel which comprises a plurality of intersecting traces. The method includes outputting a charge control signal to a trace of the plurality of traces, and keeping other traces except for the trace floating and determining whether the touch event happens according to a voltage signal on the trace.

Abstract: A capacitance measurement circuit and method are provided. A storage capacitor is pre-charged. Charge transfer is performed between an under-test capacitor and the storage capacitor. The storage capacitor is discharged and charged according to a relationship between a voltage of the storage capacitor and a reference voltage. The capacitance of the under-test capacitor is measured according to the voltage on the storage capacitor.