Touch sensing device and detecting method
A technology of touch sensing and sensing electrodes, applied in the field of touch control, can solve problems such as poor touch accuracy and overall linearity, inability to distinguish the exact position of multi-touch, and limitations of high-end products, and achieve easy implementation, improve precise coordinates, and wiring simple effect
Pending Publication Date: 2017-05-10
CHIPONE TECH BEIJINGCO LTD
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Problems solved by technology
However, touch accuracy and overall linearity of self-capacitance touch sensing devices are poor
There is a "ghost" phenomenon in the self-capacitance touch sensing device, which cannot distinguish the exact position of multi-touch, so it is limited in the application of high-end products
Method used
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[0047] Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. In the various figures, identical elements are indicated with similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale. In addition, the drawing does not draw the lead lines except the corresponding driving electrodes and sensing electrodes, and some well-known parts may not be shown.
[0048] In the following, many specific details of the present invention are described, such as device structures, materials, dimensions, processing techniques and techniques, for a clearer understanding of the present invention. However, the invention may be practiced without these specific details, as will be understood by those skilled in the art.
[0049] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
[0050] figure 1 A schematic structural diagram of a t...
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The embodiment of the invention discloses a touch sensing device and a detecting method. The touch sensing device comprises a substrate, a first set of sensing electrodes, a second set of sensing electrodes, a third set of sensing electrodes, a first set of lead wires, a second set of lead wires and a third set of lead wires, wherein the first set of sensing electrodes, the second set of sensing electrodes and the third set of sensing electrodes are located on the substrate and isolated from each other in an insulated mode, and the first set of lead wires, the second set of lead wires and the third set of lead wires are electrically connected with the corresponding sets of sensing electrodes respectively. An electrode array is formed by the first set of sensing electrodes, the second set of sensing electrodes and the third set of sensing electrodes, and each array unit of the electrode array comprises a complementary pattern formed by at least one sensing electrode of the first set of sensing electrodes, at least one sensing electrode of the second set of sensing electrodes and at least one sensing electrode of the third set of sensing electrodes. According to the touch sensing device, the position of a touch motion is obtained through one sensing electrode of the first set of sensing electrodes, one sensing electrode of the second set of sensing electrodes and one sensing electrode of the third set of sensing electrodes. The detection accuracy of the touch sensing device is improved through the at least three sensing electrodes forming the complementary patterns.
Description
technical field [0001] The invention relates to the technical field of touch control, in particular to a touch sensing device and a detection method. Background technique [0002] With the continuous development of touch screens, capacitive touch screens are gradually and widely used in the field of terminal equipment. [0003] In existing capacitive touch devices, touch sensing signals are obtained based on mutual capacitance or self capacitance. In the mutual capacitance touch sensing device, the touch position is obtained by detecting the capacitance change between two electrodes. In the self-capacitive touch sensing device, the touch position is obtained by detecting the capacitance change between the electrode and the ground. Further, according to the layout of the electrodes, the capacitive touch sensing device can be divided into a double-layer structure, a bridging structure and a single-layer structure. The single-layer structure has the advantages of less proces...
Claims
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Login to View More IPC IPC(8): G06F3/044G06F3/041
CPCG06F3/0418G06F3/044
Inventor 王永刚杨谢威申丹丹章军富
Owner CHIPONE TECH BEIJINGCO LTD