Pressure touch device, touch screen assembly and electronic device

Abstract

To provide a pressure touch device that is easy to attach and manufacture, simple to manufacture, convenient to assemble, and capable of quickly and accurately sensing received force, and a touch screen assembly and electronic device equipped with the pressure touch device. [Solution] The pressure touch device comprises an elastic member, a deformation sensing layer, and a Wheatstone bridge structure. The elastic member includes a fixed portion and a bending portion, with an end of the bending portion abutting against the bottom surface of the pressure input structure, and the fixed portion is assembled to a support member to form at least one support point. The deformation sensing layer is attached to the fixed portion and includes an attachment portion and a deformation portion, with the deformation portion being provided near the connection point between the bending portion and the fixed portion. The Wheatstone bridge structure is integrated within the deformation sensing layer, and at least a portion of the resistance is located in the deformation portion. The deformation sensing layer is provided on the fixed portion of the elastic member and attached to the bottom of the support member, eliminating the need for any other structure to be placed at the bending portion of the elastic member.

Description

[Technical Field]

[0001] The present application relates to the field of pressure touch technology, in particular to pressure touch devices, touch screen assemblies, and electronic devices. [Background technology]

[0002] Currently, consumer electronic products such as mobile phones, tablets, and laptops use screens, Touch on a touchpad is typically achieved using capacitive touch sensing or resistive touch. Such touch sensing provides relatively accurate touch location information. However, there are some specific In some cases, touch position information alone may not be enough to meet your needs. For example, in a gaming scenario, the number of touch keys is very large and the screen is limited. Having too many touch key areas in a space not only affects the convenience of operation, but also There are too many obstructions to the display, which affects the experience.

[0003] In related technology, pressure is detected by integrating a pressure sensing device at the bottom of the pressure input structure. By doing so, it is possible to control the pressure input structure using pressure. An inclined elastic sheet is disposed on the input structure and the support member, and a Wheatstone is disposed on the elastic sheet. By integrating the Wheatstone bridge structure, the deformation of the elastic sheet causes the Wheatstone bridge The strain-sensing resistor inside the device deforms and outputs an electrical signal.

[0004] However, when assembling the pressure sensing device into electronic equipment, the elastic sheet is subjected to Wheatstack. The bridge structure must be attached and integrated, and the bottom edge of the elastic sheet must be attached to the support member. It needs to be attached and fixed, which makes the operation steps complicated, making assembly difficult and increasing the risk of defective products. It is easy to occur. Summary of the Invention [Problem to be solved by the invention]

[0005] Embodiments of the present application provide a pressure touch device, a touch screen assembly, and an electronic device, When integrating a pressure sensing device into a pressure input structure, the operation steps are complicated and assembly is difficult. This solves the technical problem in related technologies that the size is large and defective products are likely to occur. [Means for solving the problem]

[0006] In a first aspect, there is provided a pressure touch device comprising: The bending portion includes a fixed portion and a bending portion, the bending portion being disposed at an angle to the fixed portion, and one of the bending portions The other end of the bent portion is adapted to be abutted against the bottom surface of the pressure input structure. The fixed portion is an elastic portion that is assembled to a support member and forms at least one support point. Materials and The support is attached to the fixing portion and includes a mounting portion in the middle and a deformation portion at the end, a deformation sensing layer provided on one side of the support near the connection point between the bending portion and the fixed portion; , A hole integrated in the deformation sensing layer, and at least a part of the resistance is in the deformation part. Eastone bridge structure, When an external pressure is input to the pressure input structure, the bending portion and the fixing portion receive the force. The deformation sensing layer is deformed, and the deformation portion of the deformation sensing layer is deformed. At least a portion of the resistor in the bridge structure deforms, generating a voltage signal.

[0007] In some embodiments, the Wheatstone bridge structure includes two first resistors and Two second resistors are included, and the two first resistors and the two second resistors are crossed and connected in series. The two first resistors are connected to the mounting portion, and the two second resistors are connected to the deformation portion. It is in the department.

[0008] In some embodiments, the deformation sensing layer is disposed between the fixed portion and the support member. is fixed at

[0009] In some embodiments, there is a deformation gap between the deformation and the support member.

[0010] In some embodiments, the elastic member includes two of the bent portions, and the two bent portions the fixed part is connected to two opposite sides of the fixed part, and the Wheatstone bridge Two sets of structures are provided, and each of the two sets of Wheatstone bridge structures has two of the elastic It is disposed near the connection point between the member and the fixed portion.

[0011] In some embodiments, the bent portion has a recessed groove formed in the vicinity of a connection point with the fixed portion. The width of the bent portion near the fixed portion is made narrower.

[0012] In some embodiments, the end of the bent portion that contacts the pressure input structure is bent or or hemispherical, and the bent portion is in line contact or point contact with the pressure input structure. .

[0013] In some embodiments, the pressure touch device is attached to the bottom surface of the pressure input structure. The bending portion is electrically connected to the conductive sheet, and the bending portion is electrically connected to the conductive sheet. a conductive sheet contacting the pressure input structure; A capacitance detection circuit is provided on the deformation sensing layer, and the capacitance detection circuit applies a voltage to the bending portion. electrically connected.

[0014] In a second aspect, a touch screen assembly including the pressure touch device as described above is provided. provide.

[0015] In a third aspect, a pressure touch device as described above and / or a touch screen as described above is provided. An electronic device with a lean assembly is provided. [Effects of the Invention]

[0016] The beneficial effects of the technical solution of the present application include:

[0017] Embodiments of the present application provide a pressure touch device, a touch screen assembly, and an electronic device. The pressure input structure is pressed and deformed so as to deform the bending portion and the fixed portion, and the deformation sensing The deformation portion of the deformation sensing layer is deformed due to the existence of the deformation gap, and the attachment portion of the deformation sensing layer is attached to the first attachment portion. The adhesive layer fixes the element to the support, preventing deformation. Resistance in the Wheatstone bridge structure The deformation sensing layer deforms together with the pressure sensing layer, generating a voltage signal. It can convert minute deformations into electrical signals and output them, realizing pressure touch functionality and enabling more It meets many touch needs, provides better touch effect and experience, and has excellent performance. The sensing layer is attached to the fixed part of the elastic member and then attached to the bottom of the support member. Therefore, there is no need to place any other structure at the bending part of the elastic member, and deformation sensing can be performed during assembly. The layer and the fixing portion of the elastic member need only be attached to the support member, making attachment and manufacturing easy. It is easy to manufacture and convenient to assemble. [Brief explanation of the drawings]

[0018] In order to more clearly describe the technical solutions in the embodiments of the present application, the following is a summary of the embodiments: The drawings that need to be used in the description are briefly explained and are clear. The drawings described below are only for the purpose of These are only illustrative examples, and those skilled in the art will be able to understand the invention without further creative work based on these drawings. Other drawings may be obtained based on the above. [Figure 1] 1 is a structural schematic diagram of a pressure touch device according to an embodiment of the present application; [Figure 2] 1 is a schematic diagram of a part of the structure of a pressure touch device according to an embodiment of the present application; [Figure 3] FIG. 1 is a top view of a pressure touch device according to an embodiment of the present application. [Figure 4] FIG. 1 is a schematic diagram of a Wheatstone bridge structure according to an embodiment of the present application. [Figure 5] 1 is a structural schematic diagram of a pressure touch device according to another embodiment of the present application; [Figure 6] 1 is a schematic diagram of an electronic device in which a pressure touch device according to another embodiment of the present application is disposed; DETAILED DESCRIPTION OF THE INVENTION

[0019] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the following description will be given in detail. Please refer to the drawings in the embodiments to make the technical solutions in the embodiments of the present application clear and complete. Of course, the described embodiments are not all of the embodiments, but only some of the embodiments of the present application. Based on the examples of the present application, a person skilled in the art can obtain all other embodiments without creative work. All examples are within the scope of protection of this application.

[0020] Embodiments of the present application provide a pressure touch device, a touch screen assembly, and an electronic device. The deformation sensing layer of the pressure touch device is provided on the fixing part of the elastic member, and then the supporting member Since it is attached to the bottom, there is no need to place other structures at the bending part of the elastic member, so it is easy to assemble. When erecting the device, it is only necessary to attach the deformation sensing layer and the fixing portion of the elastic member together to the support member. , easy to attach and manufacture, simple to manufacture, and convenient to assemble. When integrating a pressure sensing device into a force structure, the operation steps are complicated and assembly is difficult. This solves the technical problem in related technologies that the manufacturing process is slow and defective products are likely to occur.

[0021] 1 and 2, a pressure touch device includes an elastic member 1, a deformation sensing layer 2, and The Wheatstone bridge structure 5 is a deformation sensor. The deformation sensing layer 2 is attached to the elastic member 1, and the deformation sensing layer 2 is attached to the elastic member 1. The elastic member 1 is attached between the pressure input structure 7 and the support member 8. The deformation sensing layer 2 and the resistors in the Wheatstone bridge structure 5 are deformed, generating a voltage The elastic member 1 deforms with the deformation of the pressure input structure to generate a signal. This allows for a realization of a filtering function.

[0022] In this embodiment, the support member 8 is a mobile phone inner frame or back cover, a tablet inner frame or includes back covers, computer cases, etc., and pressure input structure 7 includes touch screens, touch pads, etc. This includes keyboards, touch key panels, drawing pads, etc.

[0023] 1 and 2, the elastic member 1 includes a fixed portion 11 and a bent portion 12. The bent portion 12 is fixed. The bending portion 12 is disposed at an angle to the fixed portion 11, and one end of the bending portion 12 is connected to the fixed portion 11. The other end is adapted to be brought into contact with the bottom surface of the pressure input structure 7, 1 and 2, specifically, the elastic member 1 includes a fixed portion 11 and a bending portion 12. The bending portion 12 is disposed at an angle to the fixed portion 11, and one end of the bending portion 12 is connected to the fixed portion 11. The other end of the bending portion 12 is adapted to be abutted against the bottom surface of the pressure input structure 7. The curved portion 12 and the fixed portion 11 are integrally bent and molded, and the bent portion transitions in an arc shape. In the example, the elastic member 1 is an elastic plate material, and is made of metal or plastic material. Good too.

[0024] By installing it in this manner, the curved portion 12 and the fixed portion 11 are transitioned in an arc shape. In this way, the stress concentration between the bending portion 12 and the fixed portion 11 can be reduced, and the elasticity Even if the member 1 is bent multiple times, it maintains its elastic recovery ability, improving reliability.

[0025] 1 to 3, a recessed groove 12a is formed in the vicinity of the connection point of the bent portion 12 with the fixed portion 11. That is, a recessed groove 12a is formed in the vicinity of the bending portion of the elastic member 1 of the bending portion 12, The width of the portion 12 near the fixed portion 11 is narrower.

[0026] By installing it in this way, the elastic member 1 has five Wheatstone bridge structures This increases the deformation of the sensor, which results in a larger voltage signal output and more accurate pressure sensing. sensitively reflected.

[0027] 1 to 3, a connection circuit is disposed in the deformation sensing layer 2, and the connection circuit is connected to the wheel. The external detection circuit is connected to the Tonstone bridge structure 5 so as to transmit the voltage signal generated in the Tonstone bridge structure 5 to the external detection circuit. It is used to electrically connect to the pressure sensor and convert the pressure signal output. One side of the adhesive layer 2 is attached to the bottom surface of the fixing part 11 .

[0028] 1 to 3, the deformation sensing layer 2 is made of a PI film, a PET film, , PC film or flexible wiring board. The deformation sensing layer 2 is flexible. It is provided on the elastic member 1 and can be deformed together with the elastic member 1. The connecting circuitry can be easily provided on the layer 2 and easily electrically connected to the Wheatstone bridge structure 5. This allows convenient derivation of the voltage signal occurring in the Wheatstone bridge structure 5. be.

[0029] Referring to Figures 1-3, in this embodiment, the pressure touch device comprises a second adhesive layer 4. The deformation sensing layer 2 is attached to the bottom surface of the fixing portion 11 by the second adhesive layer 4 . The second adhesive layer 4 is covered on the top surface of the deformation sensing layer 2 and is attached to the fixing portion 11 of the elastic member 1. As the fixing portion 11 is deformed, the second adhesive layer 4 and the deformation sensing layer 2 are simultaneously They transform together.

[0030] Specifically, the second adhesive layer 4 deforms the deformation sensing layer 2 in response to the deformation of the fixing portion 11. In this embodiment, the second adhesive layer 4 is made of an adhesive material having elasticity. acrylic adhesive, VHB, epoxy adhesive, acrylic adhesive, 502 adhesive or U Includes V adhesives.

[0031] 1 to 3, the fixing portion 11 is assembled to the support member 8 and has at least one support Point b is formed.

[0032] Referring to FIGS. 1-3, the pressure touch device further includes a first adhesive layer 3, The deformation sensing layer 2 is supported by the first adhesive layer 3, and the deformation sensing layer 2 is supported by the first adhesive layer 3. The deformation sensing layer 2 and the fixing portion 11 of the elastic member 1 are attached to the support member 8. It is easy to assemble, paste and manufacture, and it is easy to manufacture and assemble. be.

[0033] In this embodiment, the deformation sensing layer 2 is fixed between the fixing portion 11 and the support member 8. The first adhesive layer 3, the deformation sensing layer 2, and the second adhesive layer 4 support the fixing portion 11. , forming a support point b. As can be seen, in this example, the support point b is the support surface .

[0034] The deformation sensing layer 2 is attached to the fixed portion 11, and the deformation sensing layer 2 is attached to the central mounting portion The deformed portion 22 has a bent portion 12 and a fixed portion 1 on one side of the support point b. It is provided near the connection point of 1.

[0035] 1 to 3, specifically, the deformation sensing layer 2 has a central mounting portion 21 and a peripheral portion. The deformed portion 22 is provided in the vicinity of the connection point between the bent portion 12 and the fixed portion 11. It should be noted that in this embodiment, the deformation sensing layer 2 is separated into the attachment portion 21 and the deformation portion 22. The reason for dividing the deformation sensing layer 2 into 22 is to distinguish only different parts of the deformation sensing layer 2, and The purpose of this is to make it clear that the deformation sensing layer 2 includes two unitary structures. It is not something to do.

[0036] 1 to 3, the first adhesive layer 3 is attached to the bottom surface of the mounting portion 21, and the deformation portion 2 There is a deformation gap a between the support member 8 and the deformation gap a. The deformation sensing portion 22 of the deformation sensing layer 2 becomes deformable, and the deformation sensors at three locations on the first adhesive layer The mounting portion 21 of the sling layer 2 cannot deform because there is no space for deformation.

[0037] When placed in this manner, the deformation sensing layer 2 is attached to the support member 8 by the first adhesive layer 3. By attaching the deformation sensing layer 2 to the mounting portion 22, the deformation sensing layer 2 is divided into a deformable deformation portion 22 and a non-deformable mounting portion 22. 1 is divided into 1 and 2. Then, the deformation of the deformation sensing layer 2 is detected by a Wheatstone bridge structure 5. This makes it easy to sense shape and generate an electrical signal.

[0038] In this embodiment, the first adhesive layer 3 is made of an acrylic adhesive, VHB, or epoxy adhesive. adhesive, acrylic adhesive, 502 adhesive or UV adhesive, etc.

[0039] 2-4, a Wheatstone bridge structure 5 is integrated in the deformation sensing layer 2. At least some of the resistance in the Wheatstone bridge structure 5 is in the deformation section 22 . The resistor in the deformation portion 22 deforms in accordance with the deformation of the deformation portion 22, generating a voltage signal. It converts pressure signals into voltage signals and outputs them.

[0040] 2 to 4, specifically, the Wheatstone bridge structure 5 includes two first resistors 5 1 and two second resistors 52, and the two first resistors 51 and the two second resistors 52 are crossed. The two first resistors 51 are in the mounting portion 21, and the two second resistors 52 are in the mounting portion 22. is in the deformation part 22. Since some resistors do not deform and some resistors deform, The voltage signal generated by the Tonbridge structure 5 is larger, allowing for more sensitive pressure sensing. will be done.

[0041] In another embodiment, all resistors in the Wheatstone bridge structure 5 are It can be placed at 22.

[0042] All the resistors in the Wheatstone bridge structure 5 are strain sensing resistors. Resistors include metal strain wire, polymer strain resistors, silicon-based strain resistors, etc.

[0043] In this embodiment, a specific circuit diagram of the Wheatstone bridge structure 5 is shown in FIG. R1 and R4 are a first resistor 51, and R2 and R3 are a second resistor 52.

[0044] 1 to 3, the elastic member 1 includes two bent portions 12. The elastic member 1 is connected to two opposing side surfaces of the fixed portion 11, respectively. The wire is bent twice to form a first bend 11 and two bends 12. Two sets of bridge structures 5 are provided, and each of the two sets of Wheatstone bridge structures 5 has two The pressure input structure 7 is arranged near the connection point between the elastic member 1 and the fixed portion 11. The magnitude of deformation at each of the two contact points can be detected, improving sensing sensitivity. It has excellent sensing performance.

[0045] In this embodiment, one end of the bent portion 12 is brought into contact with the pressure input structure 7 by interference fit. In this way, the reliability of the connection between the elastic member 1 and the pressure input structure 7 is ensured, and the sensitivity of the pressure sensing is improved. It can be secured.

[0046] 1 to 3, one end of the bending portion 12 that contacts the pressure input structure 7 is bent or hemispherical. The bent portion 12 is in line contact or point contact with the pressure input structure 7. By designing the shape of the bending portion 12, the contact area between the bending portion 12 and the pressure input structure 7 is reduced, and the bending The reliability of the connection between the curved portion 12 and the pressure input structure 7 is improved.

[0047] In this embodiment, the elastic member 1 includes two bent portions 12, so that the elastic member 1 can be easily flexed by the pressure input. The structure 7 is in contact with the two parts of the shaft by interference fit, which balances the interference fit force and allows the shaft to be Improve the reliability of use over time.

[0048] Referring to FIG. 5, in some embodiments, the pressure touch device further comprises a conductive sheet 6. One end of the bent portion 12 is abutted against the pressure input structure 7 by the conductive sheet 6. If 2 is plural, the number of conductive sheets 6 corresponds to the number of bent portions 12.

[0049] A capacitance detection circuit is provided in the deformation sensing layer 2, and the capacitance detection circuit is electrically connected to the bending portion 12. is connected to.

[0050] When installed in this way, in the case of a non-metallic pressure input structure 7, one conductive sheet is attached to the bottom of the structure. 6 can be attached to the contact portion between the elastic member 1 and the pressure input structure 7. As shown, the pressure input structure 7 has a capacitive touch + pressure sensing element at the position of the conductive sheet 6. It is possible to achieve a combination of good touches.

[0051] In this way, the combination of accurate touch position recognition and accurate pressure recognition is The matching can be achieved.

[0052] The principle of designing the capacitance in this way is as follows: the conductive sheet 6 is an elastic member. 1, and the elastic member 1 is electrically connected to a connection circuit in the deformation sensing layer 2. This allows the circuit to be pulled out and the capacitance detection circuit installed. When a body approaches the conductive sheet 6 on a non-metallic pressure input structure, it causes a change in capacitance, The amount of the liquid is detected by the amount detection circuit.

[0053] Embodiments of the present application provide a pressure touch device, a touch screen assembly, and an electronic device. The pressure input structure 7 is pressed and deformed so as to deform the bending portion 12 and the fixed portion 11. The deformation portion of the deformation sensing layer 2 is deformed due to the existence of the deformation gap a, and the deformation sensing layer 2 is The attachment portion 21 is fixed to the support member 8 by the first adhesive layer 3 and therefore does not deform. The resistors in the Tonbridge structure 5 deform together with the deformation sensing layer 2, generating a voltage signal. Therefore, minute deformations of the pressure input structure 7 can be converted into electrical signals and output. Realize pressure touch function, meet more touch needs, better touch effect and experience The deformation sensing layer 2 is provided on the fixed portion 11 of the elastic member 1, and has excellent performance. Since the elastic member 1 is then attached to the bottom of the support member, other structures can be placed at the bent portion of the elastic member 1. Therefore, during assembly, the deformation sensing layer 2 and the fixing portion of the elastic member 1 are attached to the support member 8, it is easy to attach and manufacture, and it is easy to assemble. It is profitable.

[0054] In a second embodiment, a touch screen assembly including the pressure touch device A as described above is provided. to provide.

[0055] The touch screen assembly includes the pressure touch device A, The lean assembly is consistent with the beneficial effects of Pressure Touch Device A described above and is therefore repeated here. do not have.

[0056] Referring to FIG. 6, in a third embodiment, the pressure touch device A and / or An electronic device including such a touch screen assembly is provided. Sub-devices include mobile phones, tablets, laptops, televisions, etc.

[0057] The touch screen assembly includes the pressure touch device A and / or the above-mentioned To provide a touch screen assembly, the touch screen assembly is and / or a touch screen assembly as described above. Therefore, it will not be repeated here.

[0058] In the description of this application, the orientation or positional relationship indicated by terms such as "upper" and "lower" are based on the orientation or positional relationship shown in the drawings and are merely for ease of explanation of the present application. For ease of explanation, the devices or elements shown may have a particular orientation and may not be The present application does not expressly or imply that the device must be configured and operated in the above orientation. The terms "attach," "couple," "connect," "fix," "attach" and "attach" should not be understood as limiting. Terms such as "definition" and "setting" should be understood broadly unless otherwise specified and limited. For example, it may be fixedly connected, removably connected, or They may be integrated, mechanically connected, or mechanically connected. It may be an electrical connection, a direct connection, or an indirect connection through an intermediate medium. It may be a connection between two elements, or an internal connection between two elements. Therefore, the specific meaning of the above terms in this application can be understood.

[0059] It should be noted that in this application, related technical terms such as "first" and "second" refer to a single entity or operation. It only distinguishes one entity from another, not necessarily between those entities or operations. and does not require or imply that any such actual relationship or sequence of deviations exists. The term "comprises," "including," or any other variant thereof, does not imply a non-exclusive inclusion. Therefore, a process, method, article, or apparatus that includes a series of elements includes those elements. Other than those specifically listed, it does not include any other elements or any such process, method, article or or device-specific elements. In the absence of more limitations, the phrase "including one" is used. An element qualified by "includes" is not a separate entity in the process, method, article, or device that includes that element. The presence of identical elements does not exclude them.

[0060] The above are only specific embodiments of the present application, and it is not intended to enable those skilled in the art to understand or implement the present application. Various modifications to these examples will be apparent to those skilled in the art. The general principles defined herein may be modified in other implementations without departing from the spirit or scope of the present application. The present application therefore contemplates the use of any of the methods described herein. The present invention is not limited to the specific embodiments described herein, but rather is consistent with the principles and novel features disclosed herein. It is suitable for the widest range of applications. [Explanation of symbols]

[0061] 1, elastic member, 11, fixed portion, 12, bending portion, 12a, groove, 2, deformation sensing layer, 21, mounting portion, 22, deformation portion, 3, first adhesive layer, 4, second adhesive layer, 5, wheat Stone bridge structure, 51, first resistor, 52, second resistor, 6, conductive sheet, 7, pressure Input structure,8,Support member,a,Deformation gap,b,Support point,A,Pressure touch device.

Claims

1. 1. A pressure touch device, comprising: The bending portion includes a fixed portion and a bending portion, the bending portion being inclined toward the fixed portion, and one of the bending portions The other end of the bent portion is adapted to be abutted against the bottom surface of the pressure input structure. The fixed portion is an elastic portion that is assembled to a support member to form at least one support point. Materials and The support is attached to the fixing portion and includes a mounting portion in the middle and a deformation portion at the end, a deformation sensing layer provided on one side of the support near the connection point between the bending portion and the fixed portion; 、 A hole integrated in the deformation sensing layer, and at least a part of the resistance is in the deformation part. Eastone bridge structure, When an external pressure is input to the pressure input structure, the bending portion and the fixing portion receive the force. The deformation sensing layer is deformed, and the deformation portion of the deformation sensing layer is deformed. At least a portion of the resistor in the bridge structure is deformed to generate a voltage signal. Pressure touch device.

2. The Wheatstone bridge structure includes two first resistors and two second resistors, The first resistors and the two second resistors are connected in series across each other, and the two first resistors are connected in series across each other. The resistor is located at the mounting portion, and the two second resistors are located at the deformation portion.

10. The pressure touch device of claim 1.

3. The deformation sensing layer is fixed between the fixing portion and the support member.

10. The pressure touch device of claim 1.

4. 2. The method according to claim 1, wherein a deformation gap is provided between the deformation portion and the support member. Pressure touch device.

5. The elastic member includes two of the bent portions, and the two bent portions are respectively paired with the fixed portion. Two sets of the Wheatstone bridge structure are provided, and two sets of The Wheatstone bridge structure is formed by connecting two of the elastic members and the fixed portion. The pressure touch device of claim 1 , wherein the pressure touch device is disposed adjacent to the surface of the substrate.

6. The bent portion has a recessed groove formed in the vicinity of the connection point with the fixed portion. The method according to any one of claims 1 to 5, characterized in that the width of the narrow portion is narrower. Pressure touch device included.

7. The end of the bending portion that contacts the pressure input structure is bent or hemispherical, The pressure input structure is configured to be in line contact or point contact with the pressure input structure.

6. The pressure touch device of any one of claims 5.

8. The pressure input structure further includes a conductive sheet attached to a bottom surface thereof, and the bending portion is the pressure input structure is electrically connected to the conductive sheet and is brought into contact with the conductive sheet; A capacitance detection circuit is provided on the deformation sensing layer, and the capacitance detection circuit applies a voltage to the bending portion.

6. The pressure touch device according to claim 1, wherein the pressure touch device is electrically connected. 。

9. A touch device comprising the pressure touch device according to any one of claims 1 to 8. Screen assembly.

10. A pressure touch device according to any one of claims 1 to 8 and / or a touch device according to claim 9.

1. An electronic device comprising a switch screen assembly.

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