TW202136981A - Touch sensor which judges the touch according to a tunneling current generated by changes in the distance between two electrodes - Google Patents

Abstract

A touch sensor which comprises a first electrode, a second electrode disposed with a space in between, and an insulating material disposed between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode is energized and there is an energy difference between the first electrode and the second electrode. At least one of the first electrode and the second electrode can be a force receiver, when the force receiver is not forced, the touch sensor does not generate an electrical signal; when the force receiver is forced, deformation is generated at a force point and the distance between the force point and another one is changed to determine the generation of a tunneling current, allowing the touch sensor to generate the electrical signal depending on the generation of the tunneling current or not. In this way, the present invention solves touch limitations caused by conventional touch and has good touch sensitivity.

Description

Touch sensor

The present invention relates to a touch sensor, in particular to a touch sensor that judges touch through the tunneling current generated by the change in the distance between electrodes.

The current touch devices on the market are nothing more than the use of capacitance, resistance, and piezoelectric principles for manipulation. In addition, in the case of a capacitive touch device, the touch device must be operated with a conductor during touch operation. When the touch body is not a conductor, the capacitive touch device cannot be operated. For example, a capacitive touch device Although the finger can be used as the touch body, when the user wears gloves on the hand, the touch device cannot be controlled. In addition, for a resistive touch device, it is mainly composed of two sets of upper and lower ITO conductive layers. When in use, pressure is used to make the upper and lower electrodes contact and conduct, and the internal controller senses the change in the panel voltage to calculate the contact point position. Moreover, the resistive touch device is a contact touch. This touch method is prone to accuracy and sensitivity problems. For example, when the resistive touch device is used for drawing operations, the precision is relatively poor, and the resistive touch device Most of the control devices are single-touch. Although there are currently multi-touch devices, the resolution of the device is poor. In addition, although the current combined capacitive and resistive composite touch panel can further improve the shortcomings of the capacitive touch panel and the resistive touch panel, the thickness of such a touch panel cannot be reduced. Moreover, the current piezoelectric touch devices use piezoelectric materials as the basic structure of the panel, but the signal control of the piezoelectric materials is unstable, which is prone to problems such as operation accuracy and sensitivity. In addition, most of the current piezoelectric materials are not optical grade materials and are not suitable for touch panels.

Further, although the patents CN 107562235A, CN 108255296A and US 10296047B disclose that their touch devices do not use the aforementioned principle to conduct the upper and lower electrodes, according to the contents of the previous patent specification, it can be found that the patent mainly uses a plurality of conductive electrodes between the upper and lower electrodes. Particles, and by shortening the distance between the conductive particles during implementation, so that the upper and lower electrodes of the conductive particles are connected. However, the conventional method still cannot make the touch device accurately segment the pressure position of the panel, and the touch device is still prone to problems such as insufficient operation accuracy or sensitivity.

The main purpose of the present invention is to solve the problems of touch limitation and insufficient resolution in the implementation of conventional touch devices.

To achieve the above objective, the present invention provides a touch sensor, including a first electrode, a second electrode, and an insulating material. The second electrode and the first electrode are spaced apart, and the first electrode and the second electrode Energy is applied to at least one of the electrodes, there is an energy difference between the first electrode and the second electrode, and the insulating material is provided between the first electrode and the second electrode. Wherein, at least one of the first electrode and the second electrode may be a force-receiver. When the force-receiver is not forced, the touch sensor does not generate an electrical signal, and the force-receiver is force-received When a force point is deformed and the distance between the force point and the other is changed, but the other is still not in contact, the distance between the first electrode and the second electrode is shortened by an energy transfer distance At this time, the touch sensor generates the electrical signal.

In one embodiment, the insulating substance is a gas or a tangible substance.

In one embodiment, the insulating substance is a gas, the touch sensor has a spacer between the first electrode and the second electrode, and at least one spacer is arranged on the spacer for the gas to be contained therein的气孔。 The stomata.

In one embodiment, the touch sensor includes a first substrate disposed on a side of the first electrode away from the insulating material, and a second substrate disposed on a side of the second electrode away from the insulating material.

In one embodiment, the first electrode and the second electrode are respectively provided with a plurality of conductive wires at a high density.

In one embodiment, the first electrode is composed of a plurality of first sub-electrodes, the first sub-electrodes share the same first substrate, the second electrode is composed of a plurality of second sub-electrodes, and the second sub-electrodes are The electrodes share the same second substrate.

In one embodiment, the first substrate is composed of a plurality of first sub-substrates, the first sub-substrates share the same first electrode, the second substrate is composed of a plurality of second sub-substrates, and the second sub-substrates The substrates share the same second electrode.

In one embodiment, the first substrate is composed of a plurality of first sub-substrates arranged in parallel and spaced apart, and the second substrate is composed of a plurality of second sub-substrates arranged in parallel and spaced apart, and each of the first sub-substrates has a In the first extension direction, each of the second sub-substrates has a second extension direction perpendicular to the first extension direction.

In addition to the foregoing, the present invention also provides a touch sensor, including a first electrode, a second electrode, and an insulating material. The second electrode is arranged corresponding to the first electrode and is not in contact with the first electrode. There is an energy transfer distance between the second electrode and the first electrode, at least one of the first electrode and the second electrode is energized, and there is an energy difference between the first electrode and the second electrode , The insulation is provided between the first electrode and the second electrode. Wherein, at least one of the first electrode and the second electrode may be a force-receiver, and when the force-receiver is not under force, the distance between the first electrode and the second electrode is less than the energy transfer distance A tunneling current is generated. The touch sensor generates an electrical signal for a long time and is in an untouched state. The force is applied to the force and deforms at a force point and changes the force point and the other When the distance between the first electrode and the second electrode is greater than the energy transfer distance and the generation of the tunneling current is disrupted, the touch sensor determines that it is touched according to the change of the electrical signal.

According to the foregoing disclosure, compared with the conventional technology, the present invention has the following characteristics: the touch sensor of the present invention no longer restricts the touch sensor to be a conductor or a non-conductor, and because the tunneling current needs to reach a certain distance Conditions can be generated. The magnitude of the tunneling current is more related to the force exerted by the toucher, so that the touch sensor can perform more specific touch recognition. Furthermore, the operation accuracy and sensitivity of the touch sensor disclosed in the present invention are also better than those of conventional touch sensors implemented with a resistive structure or a capacitive structure.

The detailed description and technical content of the present invention are described as follows in conjunction with the drawings:

1 to 3, the present invention provides a touch sensor 10, the touch sensor 10 can be applied to mobile phones, tablets, industrial computers and other related display industry products, the touch sensor 10 In practical applications, a single number of product panels can be formed, or multiple touch sensors 10 can be implemented. Furthermore, a plurality of the touch sensors 10 need to be arranged at intervals, and can be arranged in a regular or irregular manner. The figures in this document are not intended to limit the present case. Furthermore, when the touch sensors 10 can be implemented in multiples, they will constitute a touch module, and the touch sensors 10 are arranged at appropriate intervals as described above, and each of the touch sensors 10 can A position information is respectively defined, so that when the touch control module is implemented, the position where the touch is generated can be known based on the position information.

In addition, the touch sensor 10 includes a first electrode 11, a second electrode 12, and an insulating substance 13, wherein the first electrode 11 and the second electrode 12 have conductive properties. For example, the The first electrode 11 and the second electrode 12 can be respectively a material containing silver nanowires (AgNW), a material containing indium tin oxide (ITO), a copper material or a silver material Wait. In one embodiment, the first electrode 11 and the resistivity of the second electrode 12 are less than ¹⁰² ohm-meter. Furthermore, the first electrode 11 and the second electrode 12 are spaced apart, and the first electrode 11 and the second electrode 12 can be arranged horizontally or non-horizontally, as shown in FIGS. 1 and 3. Further, in the present invention, whether the first electrode 11 and the second electrode 12 are arranged in any of the aforementioned manners, the first electrode 11 and the second electrode 12 are still not in contact with each other. In addition, in order to facilitate the description of the implementation of the first electrode 11 and the second electrode 12 in the following, the horizontal state between the first electrode 11 and the second electrode 12 is temporarily taken as an example. In addition, at least one of the first electrode 11 and the second electrode 12 is given energy. For example, the first electrode 11 is not given additional energy, and the second electrode 12 is given additional energy. The energy causes an energy difference between the first electrode 11 and the second electrode 12, that is, the first electrode 11 and the second electrode 12 are at a low potential and a high potential, respectively. Conversely, the second electrode 12 can also be designed to be a low potential, and the first electrode 11 is energized to be a high potential. In addition, the first electrode 11 and the second electrode 12 can also be designed to have energy, but the energy of the first electrode 11 and the energy of the second electrode 12 are different, so that the first electrode There is also an energy difference between 11 and the second electrode 12. Furthermore, the energy difference between the first electrode 11 and the second electrode 12 is not sufficient to cause the electrons in the first electrode 11 or the electrons in the second electrode 12 to cross the insulating substance 13 to form a current. In other words, when the first electrode 11 and the second electrode 12 are not under force, the touch sensor 10 is in a stable state without substantial energy transfer between the two electrodes.

In addition, the insulating substance 13 is provided between the first electrode 11 and the second electrode 12, and the resistivity of the insulating substance 13 is greater than the resistivity of the first electrode 11 and the second electrode 12. It can be implemented with tangible objects that are deformable and have good elastic recovery, such as silicone, acrylic, or intangible objects such as gas. A tangible object will be described later. In this embodiment, the insulating substance 13 is actually a substance that is not additionally doped with conductive material. The resistivity of the insulating substance 13 remains unchanged when deformed under compression, and the tangible substance resistivity greater than ¹⁰² ohm-meter. Accordingly, the insulating material 13 will deform when it is compressed, and the distance between the first electrode 11 and the second electrode 12 will be changed. When the insulating material 13 is not compressed, the insulating material 13 will return to its original state. And the distance between the first electrode 11 and the second electrode 12 is restored to the original distance. In one embodiment, the thickness of the insulating material 13 is about 0.01 nm to 500 μm.

，其中，I為穿隧電流15，k為波數(wave number)，d為該第一電極11與該第二電極12之間的距離。Furthermore, when the touch sensor 10 is implemented, at least one of the first electrode 11 and the second electrode 12 can be a force-receiver. In addition, for the convenience of description in the following, the description assumes that the second electrode 12 is the force-receiver. When the second electrode 12 is not stressed, although there is an energy difference between the second electrode 12 and the first electrode 11, there is no energy transfer between the second electrode 12 and the first electrode 11. The control sensor 10 does not generate an electrical signal (not shown in the figure). After that, the second electrode 12 is deformed at a force point 121 under the action of an external force. With the application of the external force, the distance between the force point 121 and the first electrode 11 is changed. It should be understood that this article The force point 121 referred to is the force position of the second electrode 12, not a single point. Furthermore, the present invention does not limit the direction of the force receiving force. Whether the touch sensor 10 generates energy transmission or not depends on the vertical distance between the first electrode 11 and the second electrode 12. Change decision. Taking FIG. 4 as an example, an external force 20 borne by the second electrode 12 has an angle of 45 degrees with respect to the second electrode 12. At this time, the external force 20 can be an angle of 45 degrees with respect to the external force 20 and is connected to the first electrode. A first force component 201 parallel to the two electrodes 12 and a second force component 202 sandwiched by 45 degrees with respect to the external force 20 and perpendicular to the second electrode 12. Moreover, the second electrode 12 is acted on by the second component force 202 to cause the force point 121 to be displaced toward the first electrode 11, so that the distance between the force point 121 and the first electrode 11 is changed , But the second electrode 12 is still not in contact with the first electrode 11. When the second electrode 12 continues to receive force and the force point 121 continues to move toward the direction facing the first electrode 11, when the distance between the force point 121 and the first electrode 11 reaches an energy transfer distance 14, A tunneling current 15 (tunneling current) is generated between the first electrode 11 and the second electrode 12, so that a current occurs between the first electrode 11 and the second electrode 12, and the touch sensor 10 When the electrical signal is generated, the touch sensor 10 enters a state of being touched. The calculation of the tunneling current 15 can be as follows:

, Where I is the tunneling current 15, k is the wave number, and d is the distance between the first electrode 11 and the second electrode 12.

As mentioned above, the magnitude of the electrical signal is positively correlated with the magnitude of the force received by the force-receiver (that is, the aforementioned second electrode 12). The larger the electrical signal, the greater the external force 20 that the second electrode 12 bears. As a result, the more electrons in the two electrodes have to be transferred to the other electrode, and the tunnel current 15 increases with touch. Furthermore, the touch sensor 10 can also perform signal processing such as signal amplification and signal conversion for the electrical signal.

歐姆公尺，該氣體電阻率雖受所含水氣多寡以及溫度作用而有所不同，但該氣體仍相對該第一電極11與該第二電極12具有較大的電阻率。Please refer to FIGS. 5-6. From the foregoing, it can be seen that the insulating substance 13 of the present invention can also be implemented as an intangible substance, and gas is used as an example in the following description. The gas can be used for implementation as long as the resistivity is greater than that of the first electrode 11 and the second electrode 12. For example, the gas can be an inert gas or a nitrogen gas. In this embodiment, the structure to which the touch sensor 10 belongs must first define an enclosed space 161. In an embodiment, the enclosed space 161 may be formed by the first electrode 11, the second electrode 12, and at least one A spacer plate 16 sandwiched between the first electrode 11 and the second electrode 12 is formed. For example, when the spacer plate 16 is implemented as a single sheet, the spacer plate 16 can have at least one air hole 162, the When the spacer 16 is assembled with the first electrode 11 and the second electrode 12, the two ends of the air hole 162 will be shielded by the first electrode 11 and the second electrode 12, and turned into a closed shape. At this time, the gas located in the air hole 162 is the insulating substance 13 referred to in the present invention. Furthermore, the forming method of the air hole 162 can be formed by applying yellow light, laser, printing, etching, etc. to the spacer plate 16. In addition, when the spacer plate 16 is implemented in plural numbers, at least one hollow area (not shown in the figure) can be defined through the planning of the placement positions of the spacer plates 16, and the purpose of the hollow area is the same as the aforementioned air hole 162. This will not be repeated. In conclusion, during the implementation of this embodiment, the force-bearer (for the time being, the second electrode 12 is used as an example) is deformed under the action of external pressure, and while the second electrode 12 is deformed, the enclosed space 161 is affected by the external pressure. The pressure acts to make the volume smaller, and the air pressure stored in the enclosed space 161 increases. When the external force 20 is released, the second electrode 12 not only self-recovers, but also returns to its original volume due to the release of the external pressure of the gas in the enclosed space 161. On the other hand, if the gas is composed of air as an example, its resistivity is about

In ohm meters, although the gas resistivity is affected by the amount of moisture and temperature, the gas still has a larger resistivity relative to the first electrode 11 and the second electrode 12.

From the foregoing, it can be seen that the touch sensor 10 knows the touch based on the generation of the tunneling current 15. Based on the same technical concept, the touch sensor 10 can also know the touch without generating the tunneling current 15 . In this regard, please refer to FIGS. 7-9. In one embodiment, the touch sensor 10 also includes the first electrode 11, the second electrode 12, and the insulating substance 13, and the first electrode 11 corresponds to the first electrode 11 The two electrodes 12 are arranged without contacting the first electrode 11, and the first electrode 11 and the second electrode 12 can be arranged horizontally or non-horizontally. At least one of the first electrode 11 and the second electrode 12 is energized, and there is the energy transfer distance 14 between the first electrode 11 and the second electrode 12. As mentioned above, when the first electrode 11 When the distance from the second electrode 12 is less than the energy transfer distance 14, energy transfer occurs between the first electrode 11 and the second electrode 12 and the tunneling current 15 is generated. However, in this embodiment, after the first electrode 11 and the second electrode 12 are assembled on the touch sensor 10, the distance between the first electrode 11 and the second electrode 12 is shorter than the energy transfer distance 14. That is, the touch sensor 10 will generate the electrical signal when it is not touched. In this embodiment, at least one of the first electrode 11 and the second electrode 12 can serve as the force-receiver. When either of the first electrode 11 and the second electrode 12 is not stressed, the contact The sensor 10 is in a steady state and the electrical signal is generated. It should be understood that the present embodiment does not use the electrical signal as the basis for touch control, and this state will be regarded as untouched. Furthermore, the force exerted by the touch person in this embodiment is different from the previous embodiment, but is performed by pulling force. For example, the touch person can be an object with suction, and the touch person can When the force is exerted by the force, the suction will be regarded as the pulling force to the force, and the force point 121 will gradually move away from the other, that is, the distance between the two electrodes will become larger. The force continues to receive the force, causing the distance between the force point 121 and the other electrode to be greater than the energy transfer distance 14, which will destroy the generation of the tunneling current 15 and make the telecommunication generated by the touch sensor 10 When the signal changes, the touch sensor 10 can determine that it is touched based on the change of the electrical signal.

In conclusion, the touch sensor 10 of the present invention no longer restricts that the touch person needs to be a conductor or a non-conductor, and because the tunneling current 15 needs to reach a certain distance before it can be generated, the size of the tunneling current 15 is more similar to that of The force exerted by the toucher is related, so that the touch sensor 10 can perform more specific touch recognition. Furthermore, the operating accuracy and sensitivity of the touch sensor 10 disclosed in the present invention are also superior to those of conventional touch sensors implemented in a resistive structure or a capacitive structure. Furthermore, the touch sensor 10 of the present invention can be implemented in conjunction with a display structure, and the display structure can be provided with an independent substrate, and the first electrode 11 or the second electrode 12 can also be regarded as the display structure The required substrate is stacked on top of the display structure.

10 to 12, in order to enhance the ability of the present invention to sense the electrical signal, the first electrode 11 and the second electrode 12 are respectively arranged with a plurality of conductive wires 113, 124 at a high density, the conductive wires 113, 124 They are randomly arranged in the first electrode 11 and the second electrode 12 in a vertical posture. Furthermore, one end of each conductive wire 113 (124) will face the insulating substance 13. In an embodiment, the conductive wires 113 and 124 may be the silver nanowires, respectively.

Referring to FIGS. 13 to 21, in one embodiment, the touch sensor 10 may further include a first substrate 111 disposed on a side of the first electrode 11 away from the insulating substance 13, and a first substrate 111 disposed on the first electrode 11 The two electrodes 12 are away from the second substrate 122 on the side of the insulating substance 13. Please refer to FIG. 14, the touch sensor 10 disclosed in this embodiment is not limited to an independent implementation, and the touch sensor 10 can also be implemented in plurals just like the aforementioned touch module.

In conclusion, in one embodiment, the first substrate 111 and the second substrate 122 can be implemented as non-conductors. Once the touch person touches the second substrate 122 (or the first substrate 111), the touch sensor will be The overall capacitance value of 10 changes, and it can be used to determine whether the touch person is a conductor or a non-conductor.

In conclusion, in an embodiment, the second electrode 12 may be implemented in a plurality of sub-units, that is, the second electrode 12 may be composed of a plurality of second sub-electrodes 125, and the second sub-electrodes 125 are arranged on the second substrate at intervals On 122, the second sub-electrodes 125 share the same second substrate 122, as shown in FIG. 16. Also, please refer to FIG. 17. In this embodiment, the touch sensor 10 is implemented by dividing the second sub-electrodes 125. The insulating material 13 can also be arranged in a plurality of sub-units, and the insulating materials 13 The units are arranged at intervals when implemented with tangible objects. When the insulating materials 13 are implemented with the gas, the structure to which the touch sensor 10 belongs will define a plurality of the enclosed spaces 161, and the enclosed spaces 161 are not connected. Further, referring to FIG. 18, the touch sensor 10 can also simultaneously make the first electrode 11 consist of a plurality of first sub-electrodes 112, and the first sub-electrodes 112 are arranged on the first substrate 111 at intervals Above, the first sub-electrodes 112 share the same first substrate 111. In this way, the touch sensor 10 can determine the position of the force point 121 more specifically.

Furthermore, the aforementioned first sub-electrodes 112 and the second sub-electrodes 125 are not limited to being implemented in a block shape, but may be implemented in a strip shape, as shown in FIG. 19. The extension direction of the first sub-electrodes 112 and the extension direction of the second sub-electrode 125 are perpendicular to each other. Take the example depicted in FIG. The sub-electrodes 125 are arranged in parallel to the Y-axis direction. As a result, the present invention can detect the signal changes in the Y-axis direction and the X-axis direction by the first sub-electrodes 112 and the second sub-electrodes 125 in different directions. In addition, the architecture of this embodiment can further change the relative signal of the first substrate 111 and the second substrate 122 to change the signal in the Z-axis direction.

In addition, please refer to FIGS. 20 and 21. In one embodiment, when the two substrates of the touch sensor 10 are implemented with non-conductors or conductors, the first substrate 111 may be composed of a plurality of first sub-substrates 114. The first sub-substrates 114 are arranged on the first electrode 11 at intervals, and the first sub-substrates 114 share the same first electrode 11. On the other hand, the second substrate 122 may also be composed of a plurality of second sub-substrates 123, the second sub-substrates 123 are arranged on the second electrode 12 at intervals, and the second sub-substrates 123 share the same second electrode. 12.

Furthermore, the aforementioned first sub-substrate 114 and the second sub-substrate 123 are not limited to be implemented in a block shape, but may be implemented in a strip shape, as shown in FIG. 21. Further, each of the first sub-substrates 114 has a first extension direction 116, and each of the second sub-substrates 123 has a second extension direction 127 perpendicular to the first extension direction 116. In this way, the present invention can detect the signal changes in the Y-axis direction and the X-axis direction by the first sub-substrates 114 and the second sub-substrates 123 with different directions. In addition, the architecture of this embodiment can further change the signal in the Z-axis direction with the relative signal change of the first electrode 11 and the second electrode 12.

In summary, it is only a preferred embodiment of the present invention. When the scope of implementation of the present invention cannot be limited by this, that is, all equal changes and modifications made in accordance with the scope of the patent application of the present invention should still belong to the present invention. The scope of patent coverage.

10: Touch sensor 11: The first electrode 111: first substrate 112: first sub-electrode 113: Conductive thread 114: The first sub-substrate 116: first extension direction 12: second electrode 121: Force Point 122: second substrate 123: The second sub-substrate 124: Conductive thread 125: second sub-electrode 127: second extension direction 13: insulation 14: Energy transfer distance 15: Tunneling current 16: Spacer 161: Confined Space 162: Stoma 20: external force 201: The first component 202: The second component

Fig. 1 is a schematic diagram of the structure of the first embodiment of the present invention. Fig. 2 is a schematic diagram of the plural arrangement structure of the first embodiment of the present invention. Fig. 3 is another schematic diagram of the structure of the first embodiment of the present invention. Fig. 4 is a schematic diagram of the implementation state of the first embodiment of the present invention. Fig. 5 is a schematic diagram of the structure of the second embodiment of the present invention. Fig. 6 is a schematic diagram of the implementation state of the second embodiment of the present invention. Fig. 7 is a schematic structural diagram of a third embodiment of the present invention. Fig. 8 is a schematic diagram of the implementation state of the third embodiment of the present invention. Fig. 9 is a schematic structural diagram of a fourth embodiment of the present invention. Fig. 10 is a schematic diagram of the structure of the fifth embodiment of the present invention. Fig. 11 is a partial enlarged schematic view of the fifth embodiment of the present invention. Fig. 12 is a schematic structural diagram of a sixth embodiment of the present invention. Fig. 13 is a schematic structural diagram of a seventh embodiment of the present invention. Fig. 14 is a schematic diagram of the complex arrangement structure of the seventh embodiment of the present invention. Fig. 15 is a schematic diagram of the structure of the eighth embodiment of the present invention. Fig. 16 is a schematic structural diagram of a ninth embodiment of the present invention. Fig. 17 is a schematic diagram of the structure of the tenth embodiment of the present invention. Fig. 18 is a schematic diagram of the structure of the eleventh embodiment of the present invention. Fig. 19 is a schematic diagram of the structure of the twelfth embodiment of the present invention. Fig. 20 is a schematic diagram of the structure of the thirteenth embodiment of the present invention. Fig. 21 is a schematic diagram of the structure of the fourteenth embodiment of the present invention.

10: Touch sensor

11: The first electrode

12: second electrode

121: Force Point

13: insulation

14: Energy transfer distance

15: Tunneling current

20: external force

201: The first component

202: The second component

Claims (5)

A touch sensor, including: A first electrode; A second electrode arranged at a distance from the first electrode, at least one of the first electrode and the second electrode is energized, and there is an energy difference between the first electrode and the second electrode; and An insulating substance arranged between the first electrode and the second electrode; Wherein, at least one of the first electrode and the second electrode may be a force-receiver. When the force-receiver is not forced, the touch sensor does not generate an electrical signal, and the force-receiver is force-received When a force point is deformed and the distance between the force point and the other is changed, but the other is still not in contact, the distance between the first electrode and the second electrode is shortened by an energy transfer distance At this time, the touch sensor generates the electrical signal. The touch sensor according to claim 1, wherein the insulating substance is a gas or a tangible substance. The touch sensor according to claim 1, wherein the insulating substance is a gas, the touch sensor has a spacer arranged between the first electrode and the second electrode, and the spacer is arranged There is at least one air hole for accommodating the gas. The touch sensor according to any one of claims 1 to 3, wherein the touch sensor includes a first substrate disposed on a side of the first electrode away from the insulating material, and a first substrate disposed on the first electrode The two electrodes are away from the second substrate on the side of the insulating material. The touch sensor according to claim 4, wherein the first electrode and the second electrode are respectively provided with a plurality of conductive wires at a high density.

Images