Abstract: A knob device is applicable to a touch panel. The knob device includes a knob cover, a plurality of sensing pads and a rotation sensing element. The plurality of sensing pads are fixedly arranged on the touch panel. A gap is form between two sensing pads. The plurality of sensing pads and gaps are distributed in a ring area around a center of an orthographic projection of the knob cover. The rotation sensing element is connected to the knob cover. When the knob cover is turned to be rotated, the rotation sensing element is rotated synchronously. When a user touches the knob device and the rotation sensing element overlaps one of the plurality of sensing pads, the touch panel generates a rotation sensing signal in response to a location of the rotation sensing 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 knob device is applicable to a touch panel. The knob device includes a knob cover; and a rotation sensing element. The rotation sensing element includes a base and a plurality of sensing pads connected to the knob cover. The rotation sensing element is arranged between the touch panel and the knob cover. The base is connected to the knob cover. When a user touches the knob device, the touch panel generates a rotation sensing signal in response to a location of the plurality of sensing pads. An orthographic projection of the knob cover on the touch panel is divided into a plurality of parts, the plurality of parts are distributed radially from a center of the orthographic projection of the knob cover, each sensing pad is located in a part and connected to another sensing pad located in another part adjacent to the part.

Abstract: A knob device is applicable to a touch panel. The knob device includes a knob cover, a plurality of sensing pads and a rotation sensing element. The plurality of sensing pads are fixedly arranged on the touch panel. A gap is form between two sensing pads. The plurality of sensing pads and gaps are distributed in a ring area around a center of an orthographic projection of the knob cover. The rotation sensing element is connected to the knob cover. When the knob cover is turned to be rotated, the rotation sensing element is rotated synchronously. When a user touches the knob device and the rotation sensing element overlaps one of the plurality of sensing pads, the touch panel generates a rotation sensing signal in response to a location of the rotation sensing element.

Abstract: A knob device is applicable to a touch panel. The knob device includes a knob cover; and a rotation sensing element. The rotation sensing element includes a base and a plurality of sensing pads connected to the knob cover. The rotation sensing element is arranged between the touch panel and the knob cover. The base is connected to the knob cover. When a user touches the knob device, the touch panel generates a rotation sensing signal in response to a location of the plurality of sensing pads. An orthographic projection of the knob cover on the touch panel is divided into a plurality of parts, the plurality of parts are distributed radially from a center of the orthographic projection of the knob cover, each sensing pad is located in a part and connected to another sensing pad located in another part adjacent to the part.

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 knob device is applicable to a touch panel. The touch panel includes a plurality of panel sensors. The knob device includes a knob cover, a sensing pad, a compensation sensor and a switch. The sensing pad is arranged between the knob cover and the touch panel. The switch is configured to selectively connect the sensing pad to the compensation sensor. When a move event of the knob device occurs, the switch is turned on and the sensing pad is electrically connected to the compensate sensor through the switch, such that a feedback loop is generated by the sensing pad, the compensation sensor and the touch panel to change a quantity of electric charge of at least one of the plurality of panel sensors. When a touch and rotation event of the knob device occurs, a location of the sensing pad controls a rotation sensing signal.

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 method for improving touch performance of a capacitive touch screen with a non-rectangular shape is provided. The capacitive touch screen includes plural complete cells and at least one incomplete cell for sensing. The method includes: determining whether an active area of the incomplete cell is different from an active area of each of the complete cells; and performing a mutual capacitance compensation on the incomplete cell to compensate a mutual capacitance of the incomplete cell when the active area of the incomplete cell is different from the active area of each of the complete cells.

Abstract: A method for improving touch performance of a capacitive touch screen with a non-rectangular shape is provided. The capacitive touch screen includes plural complete cells and at least one incomplete cell for sensing. The method includes: determining whether an active area of the incomplete cell is different from an active area of each of the complete cells; and performing a mutual capacitance compensation on the incomplete cell to compensate a mutual capacitance of the incomplete cell when the active area of the incomplete cell is different from the active area of each of the complete cells.

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: 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.