| 摘要 |
A capacitive touch sensor has at least a sensing column (410) comprising a plurality of sensing elements (420a-420g). The touch sensor comprises a substrate (10), and a conductive layer (11) disposed over the substrate. The sensing column comprises n first electrodes (D1 - D7), wherein n≥2, and at least a second electrode (Si). The first electrodes and the second electrode are defined in the conductive layer and extend generally parallel to a first direction. The first electrodes comprise a plurality of first electrode unit areas (440) disposed along the first direction and electrically connected with one another and to a voltage supply line by conductive tracks defined in the conductive layer. The sensing elements (420a-420g) extend generally in a second direction crossed with the first direction, each sensing element of the sensing column including a respective first electrode unit area of at least two of the first electrodes of the sensing column and a portion of the second electrode of the sensing column. A method of determining capacitances in a sensing circuit having at least a sensing column comprising a plurality of sensing elements, each sensing element of sensing column including respective portions of two or more first electrodes and a portion of a second electrode is also given. |
