Abstract: A touch-and-display device operated with an active stylus is provided. A touch position is detected in a touch detection period. An uplink signal is transmitted and a downlink signal is detected in a stylus detection period. When the downlink signal is detected, it is determined if a distance between a stylus position and the touch position is less than or equal to a first predetermined distance. A stylus mode is not entered if the determination result is affirmative.

Abstract: A touch display apparatus is disclosed, which includes a touch display panel and a driving circuit. The touch display panel is configured for display and touch sensing, which includes plural touch sensing pads arranged in touch sensing groups. The driving circuit is coupled to the touch display panel, and is configured to drive the touch display panel to perform display with respect to common voltage signal at a display stage of a frame period and to drive the touch display panel to perform touch sensing by applying a touch detection signal to all of the touch sensing pads simultaneously at a touch sensing stage of the frame period.

Abstract: A touch panel includes a first electrode layer and a second electrode layer. The first electrode layer has transmitting electrodes arranged in transmitting channels and traces respectively coupled to the transmitting channels. The second electrode layer has receiving electrodes arranged in receiving channels. At least one of the traces, the transmitting channels and one of the receiving channels in proximity of the traces form touch detection blocks that respectively correspond to the transmitting channels. For each touch detection block, in a circle area overlapped with at least one of the traces and substantially in the touch detection block corresponding to one of the transmitting channels, a summation of areas of the corresponded transmitting channel and the trace coupled to the corresponded transmitting channel is substantially larger than a summation of areas of the other transmitting channels and the other traces.

Abstract: A sensor pattern and a capacitive touch screen are provided. The sensor pattern comprises: a plurality of unit blocks, and a first unit block of the unit blocks comprises: a first 1st-type sensor element, a first 2nd-type sensor element, and a second 2nd-type sensor element. The first 1st-type sensor element is disposed on a first patterned layer, having a border trace, two parallel main traces, a bridge, a first cell, and a second cell, wherein the first and second cells are not aligned. The first 2nd-type sensor element is disposed on a second patterned layer, having a main trace and a sub-trace, wherein the main trace surrounds the first cell of the first 1st-type sensor element. The second 2nd-type sensor element is disposed on the second patterned layer, having a main trace and a sub-trace, wherein the main trace surrounds the second cell of the first 1st-type sensor element.

Abstract: A touch panel includes a first electrode layer and a second electrode layer. The first electrode layer has transmitting electrodes arranged in transmitting channels and traces respectively coupled to the transmitting channels. The second electrode layer has receiving electrodes arranged in receiving channels. At least one of the traces, the transmitting channels and one of the receiving channels in proximity of the traces form touch detection blocks that respectively correspond to the transmitting channels. For each touch detection block, in a circle area overlapped with at least one of the traces and substantially in the touch detection block corresponding to one of the transmitting channels, a summation of areas of the corresponded transmitting channel and the trace coupled to the corresponded transmitting channel is substantially larger than a summation of areas of the other transmitting channels and the other traces.

Abstract: A touch system includes channel electrodes that are mapped to touch pixels such that a number of the channel electrodes in each dimension is lower than a number of the touch pixels in said dimension. In one embodiment, each channel electrode has different adjacent channel electrodes at different positions of the mapped touch pixel. In another embodiment, each touch pixel in said dimension is laterally extended to at least one adjacent touch pixel in said dimension. In a further embodiment, original sensing channel electrodes and mirrored sensing channel electrodes are alternately corresponded to the driving channel electrodes.

Abstract: A sensing unit in the touch panel includes a first electrode formed in a first film and a second electrode formed in a second film. The first electrode includes multiple extending portions and at least one connecting portion. The extending portions extend along a first direction. The connecting portion extends along a second direction which is different from the first direction. The extending portions are spaced from each other by a distance along the second direction, and the connecting portion connects the extending portions. The second electrode includes a circular pad having an opening. The extending portions at least partially overlap with the circular pad, and the connecting portion is formed in an area overlapping with the opening.

Abstract: A reflected-capacitive touch panel of a wearable electronic device includes a center touch sensing portion composed of a plurality of mutual-capacitance sensors; a border touch sensing portion composed of a plurality of hybrid self-capacitance and mutual-capacitance sensors; and a predetermined bonding area into which channels of the center touch sensing portion and the border touch sensing portion are routed.

Abstract: A sensing unit in the touch panel includes a first electrode formed in a first film and a second electrode formed in a second film. The first electrode includes multiple extending portions and at least one connecting portion. The extending portions extend along a first direction. The connecting portion extends along a second direction which is different from the first direction. The extending portions are spaced from each other by a distance along the second direction, and the connecting portion connects the extending portions. The second electrode includes a circular pad having an opening. The extending portions at least partially overlap with the circular pad, and the connecting portion is formed in an area overlapping with the opening.

Abstract: A touch sensor device provided herein includes a sensor pad disposed on a carrier, wherein the sensor pad includes a first electrode, a second electrode, a third electrode and a grounding electrode. The first electrode surrounds a periphery of the second electrode and a first gap is formed between the first electrode and the second electrode. The first electrode surrounds a periphery of the third electrode, and a second gap is formed between the first electrode and the third electrode. The grounding electrode surrounds a periphery of the pad sensor, wherein a third gap is formed between the first electrode and the grounding electrode.

Abstract: A reflected-capacitive touch panel of a wearable electronic device includes a center touch sensing portion composed of a plurality of mutual-capacitance sensors; a border touch sensing portion composed of a plurality of hybrid self-capacitance and mutual-capacitance sensors; and a predetermined bonding area into which channels of the center touch sensing portion and the border touch sensing portion are routed.

Abstract: A sensor pattern and a capacitive touch screen are provided. The sensor pattern comprises: a plurality of unit blocks, and a first unit block of the unit blocks comprises: a first 1st-type sensor element, a first 2nd-type sensor element, and a second 2nd-type sensor element. The first 1st-type sensor element is disposed on a first patterned layer, having a border trace, two parallel main traces, a bridge, a first cell, and a second cell, wherein the first and second cells are not aligned. The first 2nd-type sensor element is disposed on a second patterned layer, having a main trace and a sub-trace, wherein the main trace surrounds the first cell of the first 1st-type sensor element. The second 2nd-type sensor element is disposed on the second patterned layer, having a main trace and a sub-trace, wherein the main trace surrounds the second cell of the first 1st-type sensor element.

Abstract: A touch sensor device provided herein includes a sensor pad disposed on a carrier, wherein the sensor pad includes a first electrode, a second electrode, a third electrode and a grounding electrode. The first electrode surrounds a periphery of the second electrode and a first gap is formed between the first electrode and the second electrode. The first electrode surrounds a periphery of the third electrode, and a second gap is formed between the first electrode and the third electrode. The grounding electrode surrounds a periphery of the pad sensor, wherein a third gap is formed between the first electrode and the grounding electrode.

Abstract: A touch sensitive device includes a plurality of first electrodes; a plurality of second electrodes, disposed around the plurality of first electrodes; a plurality of first surrounding pattern that are formed by the plurality of first electrodes and the plurality of second electrodes and a plurality of second surrounding patterns that are formed by the plurality of first electrodes and the plurality of second electrodes. Each of the first surrounding patterns comprises one of the first electrodes that interleaves with one of the second electrodes. Each of the second surrounding patterns comprises one of the second electrodes that is sandwiched between another of the second electrodes and one of the second electrodes.

Abstract: An exemplary method for determining a position of a touch event on a touch panel includes at least the following steps: scanning the touch panel by utilizing a first touch event detection threshold, and accordingly obtaining touch signal information corresponding to the touch event on the touch panel; determining if the touch panel is in a specific touch mode according to the touch signal information; and when it is determined that the touch panel is in the specific touch mode, setting a second touch event detection threshold that is different from the first touch event detection threshold, and scanning the touch panel by utilizing the second touch event detection threshold to obtain the position of the touch event.

Abstract: A method for detecting noise of a touch panel and performing signal control is provided, where the method may determine how many cycles of frame data are influenced by noise, may determine whether the frame data is influenced by noise by determining whether a number of cycles influenced by noise is greater than a first threshold value or not, and may determine whether a number of continuous frame data determined to be influenced by noise is greater than a second threshold value to generate a determination result. Finally, the method may determine whether to adjust a frequency of the transmitting signals according to the determination result.

Abstract: A touch panel, including a lower film layer, an upper film layer, a protective layer, and a plurality of sensing units, is provided. The upper film layer is disposed on the lower film layer. The protective layer is disposed on the upper film layer. One of the sensing units includes a first sensing electrode, a second sensing electrode, and a charge-locked electrode. The first sensing electrode is disposed in the lower film layer. The second sensing electrode is disposed in the upper film layer, and at least partially overlaps the first sensing electrode. The charge-locked electrode is disposed in the upper film layer, and at least partially overlaps the second sensing electrode. The first sensing electrode, the second sensing electrode, and the charge-locked electrode do not contact each other. The charge-locked electrode 136 is coupled to or floating-connect to a constant voltage.

Abstract: An active array of a capacitive touch panel includes a plurality of first electrodes, a plurality of second electrodes and a plurality of first auxiliary electrodes, where the first electrodes are connected to a scan signal transmitting circuit of the capacitive touch panel, and are used for receiving a plurality of scan signals, respectively; the second electrodes are connected to a detecting circuit of the capacitive touch panel; and the first electrodes and the first auxiliary electrodes are fabricated in a same metal layer, and the first electrodes are not connected to the first auxiliary electrodes.

Abstract: A touch sensing device includes a first conductive layer that acts as a common voltage layer in a display mode; and a second conductive layer electrically isolated from the first conductive layer, the second conductive layer having source lines that transfer data to be displayed in the display mode and act as transmitting (TX) electrode lines in a touch sensing mode. The first conductive layer includes RX electrode lines and blocks that are disposed among and separated by the RX electrode lines. The RX electrode lines and the blocks are electrically connected to a common voltage in the display mode.

Abstract: A touch sensing device includes a first conductive layer that acts as a common voltage layer in a display mode; and a second conductive layer electrically isolated from the first conductive layer, the second conductive layer having source lines that transfer data to be displayed in the display mode and act as transmitting (TX) electrode lines in a touch sensing mode. The first conductive layer includes RX electrode lines and blocks that are disposed among and separated by the RX electrode lines. The RX electrode lines and the blocks are electrically connected to a common voltage in the display mode.