WO2022266898A1

WO2022266898A1 - Touchpad and electronic device

Info

Publication number: WO2022266898A1
Application number: PCT/CN2021/101886
Authority: WO
Inventors: 张�荣; 刘武; 郭益平; 鲁旭
Original assignee: 深圳市汇顶科技股份有限公司
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-12-29

Abstract

A touchpad (200), comprising: a touch panel (201) used for sensing finger touches and outputting a touch signal; an elastic support (202), the elastic support (202) being located below the touch panel (201); a pressure sensor used for generating deformation according to the magnitude of the pressure of a finger pressing the touch panel (201), and outputting a pressure signal; a touch controller used for receiving the touch signal and the pressure signal, wherein if the pressure signal reaches a first threshold, the touch controller outputs a vibration command; an electromagnetic motor driver used for receiving the vibration command and outputting an alternating current signal according to the vibration command; and an actuating component (203), comprising a first assembly and a second assembly, wherein the first assembly is fixedly connected to the touch panel (201), the second assembly is fixedly connected to the elastic support (202), a gap is provided between the first assembly and the second assembly, the gap is bigger than the displacement generated when the first assembly vibrates, and an actuator is used for receiving the alternating current signal, and providing a user with vibration feedback. The touchpad (200) has high vibration intensity and a fast response speed.

Description

Trackpads and Electronics

technical field

The embodiments of the present application relate to the field of electronic technology, and in particular, to a touch panel and electronic equipment.

Background technique

A touchpad is an input device used in electronic equipment to control a screen cursor. The touch panel obtains touch information such as high-resolution finger coordinates by detecting the small capacitance change of the user's finger when operating on the touch panel area, so as to precisely control the screen cursor to move and click. Usually, a single button is also configured on the back of the touchpad, and the functions of the traditional left and right buttons of the mouse are realized by detecting the behavior of the buttons.

In order to improve the operation convenience of the touchpad, the pressure touchpad has gradually become a new trend. The pressure touchpad cancels the physical buttons of the conventional touchpad, and adds pressure sensing and vibration feedback functions.

At present, the touch panel has technical problems such as small vibration, complicated process, and high power consumption of the driving circuit.

Contents of the invention

In view of this, the present application provides a touch panel and an electronic device, which improve the vibration intensity and response speed of the touch panel, thereby improving user experience.

In a first aspect, a touch panel is provided, including: a touch panel, the touch panel includes a touch sensor, and the touch sensor is used to sense that the touch panel is touched by a finger, and output a touch signal; an elastic bracket, the elastic bracket Located below the touch panel; a pressure sensor, the pressure sensor is fixed on the upper surface of the elastic support, wherein the pressure sensor is used to generate deformation according to the pressure of the finger pressing the touch panel, and output a pressure signal; touch controller , the touch controller is used to receive the touch signal and the pressure signal, if the pressure signal reaches a first threshold, the touch controller outputs a vibration command; the electromagnetic motor driver, the electromagnetic motor driver is used to receive the The vibration command, and output an AC signal according to the vibration command; the actuation structure, the actuation part includes a first component and a second component, wherein the first component is fixedly connected to the touch panel, and the first component is fixedly connected to the touch panel. The two components are fixedly connected to the elastic bracket, a gap is provided between the first component and the second component, and the gap is larger than the displacement generated when the first component vibrates, and the actuator is used to receive the AC Signal, providing vibration feedback to the user.

Through the structural design of the touch panel and the actuating part, the actuating part can drive the touch panel to vibrate, enhance the vibration effect of the touch panel, and has fast response time and simple structure.

In a possible implementation manner, the gap is between 0.5mm-1mm.

A certain gap is provided between the first component and the second component so as not to affect the vibration of the actuating part.

In a possible implementation manner, the first component includes an electromagnet component, and the second component includes a permanent magnet component.

The magnetic force acts on the panel, which reduces the delay of the magnetic force transmission of the actuating part, and the response speed is faster. Under the same volume of the actuating part, by setting the permanent magnet assembly, the magnetic force received by the electromagnet assembly is stronger and the cost is lower. .

In a possible implementation manner, a window is opened in the middle of the permanent magnet assembly, and the electromagnet assembly is located at the window.

In a possible implementation manner, the permanent magnet assembly includes a fixed structure and a permanent magnet; the fixed structure includes a protruding structure. The protruding structure is located on the side of the fixing structure, and the protruding structure is used to embed the permanent magnet.

A fixed structure is adopted to prevent the permanent magnet from shifting, and at the same time, the magnetic field of the actuating part can be increased to enhance the vibration effect.

In a possible implementation manner, the fixing structure further includes a connecting structure, the connecting structure is located at the bottom of the fixing structure, and the connecting structure is fixedly connected to the elastic bracket.

The connection structure can increase the contact area between the fixed structure and the elastic support, and prevent the vibration effect from being affected by the displacement of the permanent magnet assembly.

In a possible implementation manner, the fixing structure is a soft magnetic material.

The fixing structure can be made of soft magnetic material, which can further increase the magnetic field of the actuating part and enhance the vibration effect.

In a possible implementation manner, the electromagnet assembly includes: a solenoid and an iron core; the solenoid surrounds the iron core; both ends of the iron core protrude from the solenoid, so A raising structure is provided under the protruding part, and the raising structure is used to fix the electromagnet assembly under the touch panel.

In a possible implementation manner, the elastic support includes a beam; the beam is provided with an opening, the permanent magnet assembly is located at the opening, and the permanent magnet assembly is fixed on the lower surface of the beam.

By arranging the permanent magnet assembly at the opening, it is beneficial to reduce the thickness of the touch panel.

In a possible implementation manner, the elastic support includes a crossbeam; a groove is provided on the crossbeam, the permanent magnet assembly is located in the groove, and the permanent magnet assembly is fixed on the upper surface of the crossbeam.

By arranging the permanent magnet assembly at the groove, it is beneficial to reduce the thickness of the touch panel.

In a possible implementation manner, the first component includes a permanent magnet component, and the second component includes an electromagnet component.

In a possible implementation manner, the permanent magnet assembly includes a fixed structure and a permanent magnet; the fixed structure includes a protruding structure, the protruding structure is located on a side of the fixing structure, and the protruding structure is used to embed the Permanent magnets.

In a possible implementation manner, the fixing structure further includes a connection structure, the connection structure is located at the bottom of the fixing structure, and the connection structure is fixedly connected to the touch panel.

The connection structure can increase the contact area between the fixed structure and the touch panel, and prevent the vibration effect from being affected by the displacement of the permanent magnet assembly.

In a possible implementation manner, the electromagnet assembly includes: a solenoid and an iron core; the solenoid surrounds the iron core; the iron core includes a raised structure, and the raised structure is used for Fix the electromagnet assembly and the elastic bracket.

In a possible implementation manner, the elastic support includes a beam; the beam is provided with a groove, and the electromagnet assembly is fixed at the groove.

By arranging the electromagnet assembly at the groove, it is beneficial to reduce the thickness of the touch panel.

In a possible implementation manner, the depth of the groove is equal to the height of the electromagnet structure.

Setting the depth of the groove equal to the height of the electromagnet structure can further reduce the thickness of the touch panel.

In a possible implementation manner, the solenoid includes an input end and an output end, the input end and the output end are respectively connected to wires, and the solenoid receives the AC signal through the wires.

In a possible implementation manner, the elastic support further includes a cantilever beam structure; the cantilever beam structure includes a fixed end and a floating end; the connection line between the fixed end and the floating end is parallel to the length of the touch panel side.

In a possible implementation manner, flexible glue and the pressure sensor are provided on the floating end; the elastic bracket is connected to the touch panel through the flexible glue, and the pressure sensor and the touch panel are connected There are gaps.

In a possible implementation manner, the touch panel includes four cantilever beam structures, and the fixed ends of each of the cantilever beam structures are respectively located at four corners of the touch panel.

In a possible implementation manner, the touch panel further includes: a reinforcement plate, which is located on the lower surface of the touch panel, and is used to enhance the rigidity of the touch.

In a second aspect, an electronic device is provided, including the first aspect and the touch panel in any implementation manner of the first aspect.

In the embodiment of the present application, the electronic device includes the above-mentioned touch panel, and the actuating part in the touch panel uses the structure of the permanent magnet assembly to increase the magnetic field of the actuating part, so that the magnetic force received by the electromagnet assembly is stronger, further The vibration effect of the actuating part is strengthened, and at the same time, by directly acting the magnetic force on the touch panel, the delay of transmission when the actuating part vibrates is reduced, and the response speed is faster at this time. This solution has a simple structure and low cost. The advantages.

Description of drawings

Fig. 1 is a perspective view of a notebook computer.

FIG. 2 is a schematic structural diagram of a touch panel according to an embodiment of the present application.

FIG. 3 is a schematic diagram of a laminate of a touch panel according to an embodiment of the present application.

FIG. 4 is a schematic exploded view of a touch panel according to an embodiment of the present application.

FIG. 5 is a bottom view of the assembly structure of the touch panel according to the embodiment of the present application.

Figure 6 is a cross-sectional view of the assembly of Figure 5 taken along line 11-11.

Fig. 7 is a schematic structural diagram of an actuating component according to an embodiment of the present application.

Fig. 8 is another structural schematic diagram of the actuating component of the embodiment of the present application.

Fig. 9 is another structural schematic diagram of the actuating component of the embodiment of the present application.

Fig. 10 is a schematic diagram of another installation direction of the actuating component of the embodiment of the present application.

Fig. 11 is a schematic diagram of the installation positions of the electromagnet assembly and the permanent magnet assembly of the embodiment of the present application.

Fig. 12 is a schematic diagram of the installation positions of the electromagnet assembly and the permanent magnet assembly according to another embodiment of the present application.

FIG. 13 is a schematic exploded view of a touch panel according to another embodiment of the present application.

FIG. 14 is a bottom view of an assembly structure of a touch panel according to another embodiment of the present application.

Figure 15 is a cross-sectional view of the assembly of Figure 14 taken along line 12-12.

Fig. 16 is a schematic cross-sectional structure diagram of an actuating component according to another embodiment of the present application.

Fig. 17 is a schematic diagram of an installation structure of an actuating component according to another embodiment of the present application.

Fig. 18 is a schematic structural diagram of an actuating component according to another embodiment of the present application.

FIG. 19 is a schematic diagram of the working principle of the touch panel according to the embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of a notebook computer 100 . A notebook computer 100 shown in FIG. 1 has a computer main body 101 and a display section 102 . The display unit 102 includes a liquid crystal display 103 , and the display unit 102 is rotatably connected to one end of the computer main body 101 . The display unit 102 is movable toward a closed position and an open position. The computer body 101 includes a frame body 110 , a keyboard 120 and a touchpad 1 . The keyboard 120 is disposed behind the upper plate portion 111 of the housing 110 . The touchpad 1 is installed in the opening 112 of the frame body 110, wherein the touchpad 1 includes a touch panel 130, and the touchpad 1 can detect the position of the finger on the operation surface 131, so that the cursor can be moved on the display screen 103 , when the finger presses on the operation surface 131 , the touchpad provides tactile feedback according to the magnitude of the pressing force.

A typical pressure touch panel uses an independent linear motor as the actuating part. The linear motor is directly fixed on the bottom of the touch panel, and the internal vibrator of the linear motor is driven by a driving signal to make it swing back and forth in the horizontal direction. After the linear motor vibrates Thereby driving the touch panel to vibrate. This kind of pressure touchpad has some defects, such as the internal vibrator of the linear motor is not synchronized with the vibration of the touch panel, resulting in slow start and stop speed of the touchpad, high response delay, and small vibration.

In view of this, the embodiment of the present application provides a touch panel based on the above-mentioned pressure touch panel. The touch panel has a simple structure, high vibration intensity and fast response speed.

It should be understood that the technical solutions of the embodiments of the present application may be applied to various electronic devices.

Examples include portable or mobile computing devices such as laptops, tablets, and gaming devices, and other electronic devices such as electronic databases, automobiles, and bank automated teller machines (ATMs). However, this embodiment of the present application is not limited thereto.

FIG. 2 shows a schematic structural diagram of a touch panel 200 in an embodiment of the present application. As shown in Figure 2, the touch panel 200 includes:

touch panel 201;

An elastic support 202, the elastic support 202 is located below the touch panel 201, and a pressure sensor is arranged on the elastic support 202;

The actuating part 203 is used for providing vibration feedback to the user according to the pressure on the touch panel 201 .

In the embodiment of the present application, by designing the structure of the touch panel and the actuating component, the actuating component can drive the touch panel to vibrate, which enhances the vibration effect, has a fast response time and is simple in structure.

Specifically, as shown in FIG. 3, the actuating part 203 includes a first component 203 and a second component 204, wherein the first component is fixedly connected to the touch panel 201, and the second component is connected to the elastic support 202 fixed connections. For example, the first assembly 203 can be an electromagnet assembly, and the second assembly 204 can be a permanent magnet assembly, or the first assembly 203 can be an electromagnet assembly, and the second assembly 204 can be an electromagnet assembly, or the first assembly 203 It may be a permanent magnet assembly, and the second assembly 204 may be an electromagnet assembly.

In the embodiment of the present application, the first component 203 is an electromagnet component, and the second component 204 is a permanent magnet component as an example for illustration.

FIG. 4 is a schematic exploded view of the touch panel in the embodiment of the present application. As shown in FIG. 4 , in the embodiment of the present application, the touch panel 201 includes a substrate 301 and a circuit board 302 , and the substrate 301 is fixedly connected to the circuit board 302 through an adhesive 303 . The substrate 301 can be made of glass or Mylar for receiving user touch and press operations. Adhesive glue 303 can adopt grid double-sided adhesive tape or optical adhesive (Optically Clear Adhesive, OCA), substrate 301 and circuit board 302 are pasted by using adhesive glue 303, can reduce the air between substrate 301 and circuit board 302 Clearance to avoid attenuation of touch signal transmission. The circuit board 302 is equipped with electronic components and circuits for transmitting and processing touch signals, pressure signals and vibration signals. The reinforcing plate 304 is located on the lower surface of the touch panel 201 , for example, the reinforcing plate 304 may be an aluminum plate or a steel plate. The reinforcing plate 304 is used to enhance the rigidity of the touch panel 201 , thereby reducing deformation and collapse when the user presses the touch panel. Optionally, the reinforcing plate may not be used if the touch panel assembly is rigid enough. The conductive cloth 305 is pasted on the reinforcing plate 304 and the touch panel 201, specifically, the conductive cloth 305 is pasted on the ground of the circuit board 302, so that the static electricity of the reinforcing plate 304 is introduced into the circuit board 302 when the touch panel 200 is in the working state. ground to prevent static electricity from damaging the touchpad. The pressure sensor 306 is located on the upper surface of the elastic bracket 202, and the elastic bracket 202 is pasted below the touch panel 201 through the flexible glue 307. Specifically, the elastic bracket 202 can be directly pasted on the lower surface of the circuit board 302 through the flexible glue 307, or the elastic bracket 202 can be pasted on the lower surface of the reinforcement board 304 by flexible glue 307 . Between the elastic support 202 and the touch panel 201, except for the connection where the flexible glue sticks, other positions need to maintain a certain gap. When the touch panel is pressed by a finger, the elastic support deforms, and the gap between the elastic support 202 and the touch panel 201 decreases Small, so that the pressure sensor detects the deformation and outputs a pressure signal. The actuating part 203 includes a first assembly 203 and a second assembly 204, wherein the first assembly 203 is an electromagnet assembly 308, the second assembly 204 is a permanent magnet assembly 309, and the electromagnet assembly 308 is fixedly connected to the touch panel 201 , the permanent magnet assembly 309 is fixedly connected to the elastic bracket 202, specifically, the permanent magnet assembly 309 can be directly fixed on the lower surface of the elastic bracket 202 by means of screws, glue or welding, or the permanent magnet assembly 309 By being fixed to the case of the notebook C, the permanent magnet assembly 309 is fixedly connected to the elastic bracket 202 . The elastic bracket 202 is provided with an opening 310 , the electromagnet assembly 308 is located at the opening 310 and connected to the touch panel 201 through the opening 310 . When the touch panel meets the vibration condition, the electromagnet assembly 308 vibrates, thereby driving the touch panel to vibrate.

Optionally, the pressure sensor 306 may be a piezoresistive pressure sensor such as a metal strain gauge or a polymer material, and the pressure sensor 306 is attached to the upper surface of the cantilever beam structure on the elastic support 202 . When pressure is applied on the touch panel, the structure of the cantilever beam deforms, and the pressure sensor 306 deforms following the bending of the cantilever beam. When the pressure sensor deforms, its own impedance changes accordingly, and the pressure sensor outputs a pressure signal according to the deformation. Wherein, steel sheet or aluminum sheet can be used on the elastic bracket 202 .

Optionally, the flexible glue 307 may be located above the cantilever beam structure on the elastic support 202, and the flexible glue 307 and the pressure sensor 306 are not overlapped. The flexible glue 307 can be a flexible silicone sheet or an elastic gel. Using the resilience of the flexible glue 307 , when the touch panel meets vibration conditions, relative movement can occur between the touch panel 201 and the elastic bracket 202 .

FIG. 5 shows a bottom view of the assembly structure of the touch panel in the embodiment of the present application. As shown in FIG. 5 , in the embodiment of the present application, the elastic support 202 includes a crossbeam 410 that may be parallel to the long side of the touch panel 200 , and the permanent magnet assembly 309 is located on the lower surface of the crossbeam 410 . There are nuts 4121 on both sides of the permanent magnet assembly 309, and the nuts 4121 are used to fix the beam 410 on the touch panel. The permanent magnet assembly 309 is located on the lower surface of the beam 410, the beam 410 is provided with an opening 310, the permanent magnet assembly 309 is located at the opening 310, or the permanent magnet assembly 309 is located at the beam 410 on the upper surface, the beam is provided with a groove, and the permanent magnet assembly is located at the groove. In the embodiment of the present application, the opening 310 is set at the beam 410 as an example. As shown in FIG. The component 308 can be fixedly connected with the circuit board 302 directly, or the electromagnet component 308 can be fixedly connected with the touch panel by connecting the reinforcing plate 304 . The electromagnet assembly 308 receives an electrical signal through a wire 415, and the electrical signal may be an AC signal. The elastic bracket 202 also includes a cantilever beam structure 411 , and the cantilever beam structure 411 includes a fixed end 4101 and a floating end 4102 , wherein the fixed end 4101 is equipped with a nut 4103 . Preferably, the elastic support 202 includes four cantilever beam structures, which are respectively a cantilever beam structure 411, a cantilever beam structure 412, a cantilever beam structure 413 and a cantilever beam structure 414, and the fixed ends of these four cantilever beam structures are respectively located on the sides of the touch panel. Pressure sensors 306 are respectively arranged above the floating ends of the four corners. Using multiple pressure sensors can disperse the pressing force, thereby increasing the structural stability of the touch panel. The connection line between the fixed end 4101 and the floating end 4102 is parallel to the long side of the touch panel. The elastic support 406 also includes a long-axis structure 412, the long side of which is parallel to the short side of the touch panel, and connects the fixed ends of two cantilever beam structures, and the long-axis structure 412 includes a flexible circuit board (Flexible Circuit Board). Printed Circuit (FPC) 413, pressure sensor 306 and FPC401 form pressure sensor assembly, pressure sensor 306 is connected with circuit board 302 through FPC401, and FPC401 is used for transmitting pressure signal. Wherein, the long-axis structure 412 , the cantilever beam structure 411 and the beam 410 are integrally formed. Optionally, the elastic bracket 202 can also be fixed on the case of the notebook C by screws.

6 is a side sectional view of the assembly of FIG. 5 cut along the line 11-11. The permanent magnet assembly 309 includes a fixing device 516 and a permanent magnet 515. The fixing device 516 can be a magnetic yoke, and the magnetic yoke adopts a soft magnetic material, such as iron , soft magnetic alloy, steel, and the permanent magnet 515 can be rare earth, ferrite or other materials that can permanently maintain the magnetism. The electromagnet assembly 308 includes: a solenoid 517 and an iron core 518. The solenoid 517 can be made of enameled wire, and the iron core can be made of silicon steel sheet or other soft magnetic materials. The electromagnet assembly 308 can be fixed on the touch panel with glue, solder or screws, and a certain gap is kept between the electromagnet assembly 308 and the permanent magnet assembly 309 to ensure that the electromagnet assembly 308 will not hit the permanent magnet assembly when the touch panel 201 vibrates. magnet assembly 309 . After the solenoid 517 is energized, the iron core is magnetized by the magnetic field of the solenoid 517 to generate greater magnetism, and the electromagnet assembly and the surrounding permanent magnet 515 generate magnetic force, and the actuating part 203 can be made to vibrate by controlling the electric signal . A gap 520 is provided between the pressure sensor assembly 519 and the touch panel, so that the pressure sensor 306 can fully perceive the deformation of the object when the touch panel is pressed, thereby avoiding large errors in data measured by the pressure sensor.

FIG. 7 is a schematic structural diagram of the actuating component 203 in the embodiment of the present application. As shown in FIG. 7 , in the embodiment of the present application, the permanent magnet assembly 309 has a window in the middle, and the electromagnet assembly 309 is located at the window 602 , so that the electromagnet assembly 308 is located inside the permanent magnet assembly 309 . The position of the window 602 coincides with the position of the opening 310 on the beam. The fixing device 516 includes a protruding structure 601 located on a side of the fixing device 516 . The permanent magnet 515 is fixed on the inner wall of the protruding structure 601 , for example, the permanent magnet 515 can be fixed on the inner wall of the protruding structure 601 by glue or buckle. The shape of the protruding structure 601 is adapted to the size of the permanent magnet 515 , so that the protruding structure 601 embeds the permanent magnet 515 . The fixing device 516 can be an independent component, and the fixing device 516 can be connected with the elastic support 202 by means of screws, glue or welding. The fixing device 516 may also be a part of the elastic bracket 202 and integrally formed with the elastic bracket 202 . Preferably, the fixing device 516 includes four protruding structures 601 , which respectively fix a permanent magnet 515 , and the protruding structures 601 are located above, below, left and right of the electromagnet assembly 309 . Such setting can further increase the intensity of the magnetic field and optimize the vibration effect. Optionally, the fixing device 516 may also include two protruding structures 601, which respectively fix a permanent magnet 515. When the actuating component drives the touch panel to vibrate in the longitudinal Y-axis, the protruding structures 601 are located on the left side of the electromagnet assembly 309. , right two places, when the actuating part drives the touch panel to vibrate in the horizontal X-axis, the protruding structure 601 is located at the upper and lower places of the electromagnet assembly 309 . The fixing device 516 also includes a connecting structure 603, which is located at the bottom of the fixing device 516. The connecting structure 603 and the protruding structure 601 are integrally formed for connecting the permanent magnet assembly 309 and the beam 410, which can increase the distance between the two. contact area, so as to prevent the permanent magnet assembly 309 from loosening and affecting the vibration effect of the actuating part. The fixing device 516 may use other structures besides the structure mentioned in the embodiment of the present application, and the specific structure of the fixing device 516 is not limited in the embodiment of the present application. In the electromagnet assembly, the solenoid 517 surrounds the iron core 518, and the two ends of the iron core 518 protrude from the solenoid 517, and a raised structure 620 can be arranged under the protruding part, and the pad The high structure 620 is used to fix the electromagnet assembly 308 under the touch panel 201. Specifically, the raised structure can directly connect the iron core 518 and the circuit board 302, or the raised structure 620 can connect the iron core 518 and the reinforcing plate 304 . The raised structure 620 can be a part of the iron core 518 and integrally formed with the iron core 518. The raised structure 620 can be made of the same material as the iron core, such as silicon steel sheet or other soft magnetic materials. The solenoid 517 is connected to the solder joint 619 through the wire 615, and is connected to the circuit board 302 through the solder joint 619, so that the electromagnet assembly 308 receives an AC signal, thereby generating a magnetic field. By setting the electromagnet assembly 308 below the touch panel 201, the solenoid includes an input end and an output end, and the wire 615 is respectively connected to the input end and the output end of the solenoid, and the wire 615 does not need to cross the soldering of the permanent magnet assembly and the circuit board. point connection to prevent the wire 615 from floating. The gap 618 between the electromagnet assembly 308 and the permanent magnet assembly 309 is greater than the displacement generated when the electromagnet assembly 308 vibrates, specifically, the gap 618 between the electromagnet assembly 308 and the permanent magnet assembly 309 is larger than the The electromagnet assembly 308 moves toward the permanent magnet assembly 309 when the moving part just vibrates, so that when the actuating part vibrates, the electromagnet assembly 308 and the permanent magnet assembly 309 will not collide, for example, when the actuating part does not vibrate The gap 618 between the electromagnet assembly 308 and the permanent magnet assembly 309 is 1mm. When the vibration condition is satisfied, the electromagnet assembly 308 moves in the direction of the permanent magnet assembly, and the displacement generated by the movement in this direction is less than 1mm, so that the two do not collide. Preferably, the gap 618 can be between 0.5mm-1mm. The embodiment of the present application does not limit the height of the electromagnet assembly 308, and its height may be greater than, less than or equal to the height of the permanent magnet assembly 309. The thickness of the small trackpad.

In the embodiment of the present application, the structure of the permanent magnet assembly is used to increase the magnetic field of the actuating part, so that the magnetic force received by the electromagnet assembly is stronger, which further strengthens the vibration effect of the actuating part. At the same time, by directly acting on the magnetic force On the touch panel, the transmission delay when the actuating component vibrates is reduced, and the response speed is faster at this time. The touch panel provided by the embodiment of the present application has a simple structure and low cost.

Optionally, as shown in FIG. 8 , in the embodiment of the present application, the solenoid 517 includes an input end 702 and an output end 701 , and the output end 701 and the input end 702 are respectively connected to wires 615 for receiving AC signals. After the electromagnet assembly is energized, it generates a magnetic field, which produces a magnetic force with the surrounding permanent magnet assembly, and moves in a certain direction. When the current is reversed, according to the electromagnetic principle, the direction of the magnetic force is opposite to the original direction, and the electromagnet moves in the opposite direction, and so on. Drive the panel to vibrate in the horizontal direction. Specifically, after the solenoid 517 is energized, the iron core 518 is magnetized by the magnetic field of the solenoid 517 to generate a larger magnetism, and generate magnetic force with the surrounding permanent magnets 515. According to the right-handed spiral rule, the lower side of the solenoid is The N pole and the S pole are on the top. According to the principle of opposite sex attraction, the electromagnet assembly is subjected to an upward force and moves upward. When the current is reversed, the lower side of the solenoid is the S pole, and the upper side is the N pole. According to the same-sex repulsion principle, the electromagnet assembly is subjected to a downward force and moves downward, so that the electromagnet assembly can be generated by controlling the AC signal. shock. The spiral tube 517 winds back and forth in the X direction, and its vibration direction is the Y axis direction, which can drive the touch panel 201 to vibrate along the Y axis direction. In the embodiment of the present application, the number of permanent magnets can be one.

Optionally, as shown in Figure 9, in the embodiment of the present application, the number of permanent magnets can be 2, which are respectively located on the upper and lower sides of the electromagnet assembly. Compared with Figure 8, the magnetic field of the embodiment of the present application Stronger, the vibration effect is obvious.

Optionally, as shown in FIG. 10 , in the embodiment of the present application, the spiral tube 517 can be wound back and forth in the Y direction, and its vibration direction is the X axis direction, which can drive the touch panel 201 to vibrate along the X axis direction.

In the embodiment of the present application, as shown in Figure 11, the first assembly 203 may be an electromagnet assembly, and the second assembly 204 may be an electromagnet assembly, or, as shown in Figure 12, the first assembly 203 may be a permanent magnet assembly , the second component 204 may be an electromagnet component.

The embodiment of the present application is described by taking the first component 203 as a permanent magnet component and the second component 204 as an electromagnet component as an example.

FIG. 13 is a schematic exploded view of a touch panel in another embodiment of the present application. As shown in FIG. 13 , in the embodiment of the present application, the touch panel includes a substrate 801 and a circuit board 802 , and the substrate 801 is fixed to the circuit board 802 through an adhesive 803 . The substrate 801 can be made of glass or Mylar for receiving user touch and press operations. Adhesive glue 803 can adopt grid double-sided adhesive tape or optical glue (Optically Clear Adhesive, OCA), and substrate 801 and circuit board 802 are pasted by using adhesive glue 803, can reduce the gap between substrate 801 and circuit board 802. The air gap avoids the attenuation of touch signal transmission. The circuit board 802 is equipped with electronic components and circuits for transmitting and processing touch signals, pressure signals and vibration signals. The reinforcing plate 804 is located on the lower surface of the touch panel 801 , for example, the reinforcing plate 804 may be an aluminum plate or a steel plate. The reinforcing plate 804 is used to enhance the rigidity of the touch panel 201 , so as to reduce the deformation and collapse when the user presses the touch panel, and the reinforcing plate may not be used if the rigidity of the touch panel assembly is sufficient. The conductive cloth 805 is pasted on the reinforcing board 804 and the touch panel 201. Specifically, the conductive cloth 805 is pasted on the ground of the circuit board 802, so that the static electricity of the reinforcing board 804 is introduced into the ground of the circuit board 802 when the touch panel is in the working state. Ground to prevent static electricity from damaging the touchpad. The pressure sensor 806 is located on the upper surface of the elastic bracket 802, and the elastic bracket 802 is pasted below the touch panel 801 through the flexible glue 807. Specifically, the elastic bracket 802 can be directly pasted on the lower surface of the circuit board 802 through the flexible glue 807, or the elastic bracket 802 can be pasted on the lower surface of the reinforcement board 804 by flexible glue 807 . Between the elastic bracket 802 and the touch panel 801, except for the connection where the flexible glue sticks, other positions need to maintain a certain gap. When the touch panel is pressed by a finger, the elastic bracket deforms, and the gap between the elastic bracket 202 and the touch panel 201 decreases. Small, so that the pressure sensor detects the deformation and outputs a pressure signal. The actuating component 203 includes a first assembly 203 and a second assembly 204, wherein the first assembly 203 is a permanent magnet assembly 809, the second assembly 204 is an electromagnet assembly 808, and the permanent magnet assembly 809 is fixedly connected to the touch panel, The electromagnet assembly 808 is fixedly connected to the elastic bracket 802 , specifically, the electromagnet assembly 808 can be directly fixed on the upper surface of the elastic bracket 802 by means of screws, glue or welding. The elastic bracket 802 is provided with a groove 810 downward, and the electromagnet assembly 308 is located at the groove 810 . , the electromagnet assembly 308 is located at the groove 810 . The depth of the groove 810 is adapted to the height of the electromagnet assembly, for example, the depth of the groove 810 is equal to the height of the electromagnet assembly, or the depth of the groove 810 is slightly lower than the height of the electromagnet assembly . When the touch panel meets the vibration condition, the permanent magnet assembly 809 vibrates, thereby driving the touch panel to vibrate.

Optionally, the pressure sensor 806 may be a piezoresistive pressure sensor such as a metal strain gauge or a polymer material, and the pressure sensor 806 is attached to the upper surface of the cantilever beam structure on the elastic support 802 . When pressure is applied on the touch panel, the structure of the cantilever beam deforms, and the pressure sensor 806 deforms following the bending of the cantilever beam. When the pressure sensor 806 deforms, its own impedance will change accordingly, and the pressure sensor outputs a pressure signal according to the deformation. . Wherein, steel sheet or aluminum sheet can be used on the elastic bracket 802 .

Optionally, the flexible glue 807 may be located above the cantilever beam structure on the elastic support 802, and the flexible glue 807 and the pressure sensor 806 are not overlapped. The flexible glue 807 can be a flexible silicone sheet or an elastic gel, and by using the resilience of the flexible glue 807, relative movement between the touch panel and the elastic support 802 can occur when the touch panel meets vibration conditions.

Fig. 14 shows a bottom view of the assembly structure of the touch panel in another embodiment of the present application. As shown in FIG. 14 , the elastic bracket 802 includes a beam 910, the beam 910 can be parallel to the long side of the touch panel, and there are nuts 9121 on both sides of the electromagnet assembly 808, and the nuts 9121 are used to fix the beam 910 on the on the touch panel. The crossbeam 910 is provided with a groove 810 , and the electromagnet assembly 808 is located in the groove 810 . The permanent magnet assembly 808 is fixedly connected to the touch panel. Specifically, the permanent magnet assembly 808 can be directly fixedly connected to the circuit board 802 , or the permanent magnet assembly 808 can be fixedly connected to the touch panel by connecting the reinforcing plate 804 . The elastic support 802 also includes a cantilever beam structure 911 , and the cantilever beam structure 911 includes a fixed end 9101 and a floating end 9102 , wherein the fixed end 9101 is equipped with a nut 9103 . Preferably, the elastic bracket 802 includes 4 cantilever beam structures, which are respectively the cantilever beam structure 911, the cantilever beam structure 912, the cantilever beam structure 913 and the cantilever beam structure 914, and the fixed ends of these 4 cantilever beam structures are respectively located on the touch panel. Pressure sensors 806 are respectively arranged above the floating ends of the four corners. Using multiple pressure sensors can disperse the pressing force, thereby increasing the structural stability of the touch panel. The connection line between the fixed end 9101 and the floating end 9102 is parallel to the long side of the touch panel. The elastic bracket 806 also includes a long-axis structure 912, the long side of which is parallel to the short side of the touch panel, and connects the fixed ends of the two cantilever beam structures, and the long-axis structure 912 includes a flexible circuit board (Flexible Circuit Board). Printed Circuit (FPC) 413, pressure sensor 806 and FPC901 form pressure sensor assembly 919, pressure sensor 806 is connected with circuit board 802 through FPC901, FPC901 is used for transmitting pressure signal. Wherein, the long-axis structure 912 , the cantilever beam structure 911 and the beam 910 are integrally formed.

15 is a side sectional view of the assembly of FIG. 14 cut along the line 12-12. The permanent magnet assembly 809 includes a fixing device 916 and a permanent magnet 915. The fixing device 916 can be a magnetic yoke, and the magnetic yoke adopts a soft magnetic material, such as iron. , soft magnetic alloy, steel, and the permanent magnet 915 can be rare earth, ferrite or other materials that can permanently maintain the magnetism. The electromagnet assembly 908 includes: a solenoid 917 and an iron core 918. The solenoid 917 can be made of enameled wire, and the iron core can be made of silicon steel sheet or other soft magnetic materials. The electromagnet assembly 808 can be fixed on the elastic bracket 802 by means of glue, solder or screws. A certain gap is maintained between the electromagnet assembly 808 and the permanent magnet assembly 809 to ensure that the electromagnet assembly 808 will not hit the permanent magnet assembly when the touch panel vibrates. magnet assembly 809 . After the solenoid 917 is energized, the iron core 918 is magnetized by the magnetic field of the solenoid 917 to generate greater magnetism, and the electromagnet assembly and the surrounding permanent magnet 915 generate magnetic force, and the actuating part can be made to vibrate by controlling the electric signal . A gap 920 is provided between the pressure sensor assembly 919 and the touch panel, so that the pressure sensor 806 can fully perceive the deformation of the object when the touch panel is pressed, thereby avoiding large errors in data measured by the pressure sensor.

Fig. 16 is a schematic cross-sectional structure diagram of an actuating component in an embodiment of the present application. As shown in FIG. 16 , in the embodiment of the present application, the permanent magnet assembly 809 has a window in the middle, and the electromagnet assembly 808 is located at the window 1002 , so that the electromagnet assembly 808 is located inside the permanent magnet assembly 809 . The fixing device 916 includes a protruding structure 1001 located on a side of the fixing device 916 . The permanent magnet 915 is fixed on the inner wall of the protruding structure 1001 . The shape of the protruding structure 1001 is adapted to the size of the permanent magnet 915 , so that the protruding structure 1001 embeds the permanent magnet 915 . The permanent magnet 915 can be fixed on the inner wall of the protruding structure 1001 by glue or buckle. The fixing device 916 can be an independent component, and the fixing device 916 can be fixed on the touch panel by means of screws, glue or welding. Specifically, the fixing device 916 can be directly connected to the circuit board 802 , or the fixing device 916 can be directly connected to the reinforcement board 804 so as to be fixedly connected to the touch panel. Preferably, the fixing device 916 includes four protruding structures 1001 , and each protruding structure 1001 respectively fixes a permanent magnet 915 , and the protruding structures 1001 are located above, below, left and right of the electromagnet assembly 809 . Such setting can further increase the intensity of the magnetic field and optimize the vibration effect. Optionally, the fixing device 916 may also include two protruding structures 1001, which respectively fix a permanent magnet 915. When the actuating component drives the touch panel to vibrate in the longitudinal Y-axis, the protruding structure 1001 is located on the left side of the electromagnet assembly 809. , and the right two places, when the actuating part drives the touch panel to vibrate in the horizontal X-axis, the protruding structure 601 is located at the upper and lower places of the electromagnet assembly 809 . The fixing device 916 also includes a connecting structure 1003, which is located at the bottom of the fixing device 916. The connecting structure 1003 and the protruding structure 1001 are integrally formed to fix the permanent magnet assembly 909 on the touch panel, which is convenient for processing and increases the size of the two parts. contact area between them, so as to prevent the permanent magnet assembly 309 from loosening and affecting the vibration effect of the actuating part. The fixing device 916 may use other structures besides the structure mentioned in the embodiment of the present application, and the specific structure of the fixing device 916 is not limited in the embodiment of the present application. In the electromagnet assembly, the solenoid 917 surrounds the iron core 918, and the two ends of the iron core 918 extend out of the raised structure 1020, and the raised structure 1020 is used to connect the electromagnet assembly 808 and the elastic bracket 802, The raised structure 1020 can be a part of the iron core 918 and integrally formed with the iron core 918. The raised structure 1020 can be made of the same material as the iron core, such as silicon steel sheet or other soft magnetic materials. The solenoid 917 is connected to a wire 815 which is connected across the permanent magnet assembly to the circuit board 802 so that the electromagnet assembly 808 receives an AC signal to generate a magnetic field. The gap 818 between the electromagnet assembly 808 and the permanent magnet assembly 809 is greater than the displacement generated when the permanent magnet assembly 809 vibrates, specifically, the gap 818 between the electromagnet assembly 808 and the permanent magnet assembly 809 is larger than the The displacement generated by the permanent magnet assembly 809 moving toward the electromagnet assembly 808 when the moving part just vibrates, so that when the actuating part vibrates, the electromagnet assembly 808 and the permanent magnet assembly 809 will not collide, for example, when the actuating part does not vibrate , the gap 818 between the electromagnet assembly 808 and the permanent magnet assembly 809 is 1mm. When the vibration condition is satisfied, the permanent magnet assembly 809 moves in the direction of the electromagnet assembly 808, and the displacement generated by the movement in this direction is less than 1mm, so that the two do not occur. collision. The gap 818 may be between 0.5mm-1mm. The embodiment of the present application does not limit the height of the electromagnet assembly 808, and its height may be greater than, less than or equal to the height of the permanent magnet assembly 809. The thickness of the small trackpad.

In the embodiment of the present application, the structure of the permanent magnet assembly is used to increase the magnetic field of the actuating part, so that the magnetic force received by the electromagnet assembly is stronger, which further strengthens the vibration effect of the actuating part. At the same time, by directly acting on the magnetic force On the touch panel, the transmission delay when the actuating part vibrates is reduced, and the response speed is faster at this time. This solution has the advantages of simple structure and low cost.

The structure of the actuating component in the embodiment of the present application may also adopt the structure shown in Fig. 8- Fig. 10 .

For example, in the embodiment of the present application, the solenoid 917 includes an input end and an output end, and the output end and the input end are respectively connected with wires for receiving an AC signal. The electromagnet assembly 808 generates a magnetic field after being energized, and generates magnetic force with the surrounding permanent magnet assembly 809, and moves in a certain direction. When the current is reversed, according to the electromagnetic principle, the direction of the magnetic force is opposite to the original direction, and the electromagnet moves in the opposite direction. Cycle, driving the panel to vibrate in the horizontal direction. Specifically, after the solenoid 917 is energized, the iron core 918 is magnetized by the magnetic field of the solenoid 917 to generate a larger magnetism, and generate a magnetic force with the surrounding permanent magnet 915. According to the right-handed spiral rule, the lower side of the solenoid is The N pole and the S pole are on the top. According to the principle of opposite sex attraction, the electromagnet assembly is subjected to an upward force and moves upward. When the current is reversed, the lower side of the solenoid is the S pole, and the upper side is the N pole. According to the same-sex repulsion principle, the electromagnet assembly is subjected to a downward force and moves downward, so that the electromagnet assembly can be generated by controlling the AC signal. shock. The spiral tube 917 winds back and forth in the X direction, and its vibration direction is the Y axis direction, which can drive the touch panel to vibrate along the Y axis direction. In the embodiment of the present application, the number of permanent magnets may be one.

Optionally, in the embodiment of the present application, the number of permanent magnets can be 2, which are respectively located on the upper and lower sides of the electromagnet assembly. Compared with Figure 8, the magnetic field of the embodiment of the present application is stronger and the vibration effect is obvious .

Optionally, as shown in FIG. 10 , in the embodiment of the present application, the spiral tube 917 can be wound back and forth in the Y direction, and its vibration direction is the X axis direction, which can drive the touch panel to vibrate along the X axis direction.

The present application also provides another embodiment. As shown in FIG. 17 , the first component 203 may be an air-core coil, and the second component 204 may be a plurality of electromagnet components.

Specifically, as shown in FIG. 18 , the first assembly 203 includes an air-core coil 1803 fixed on the touch panel 201, and the second assembly 204 includes two

electromagnet assemblies

1801 and 1802 with opposite polarities. The two electromagnet assemblies are fixed on the elastic support, and the electromagnet assembly 1801 and the electromagnet assembly 1802 are located on both sides of the air-core coil 1803 respectively. , the hollow coil 1803 moves laterally, thereby driving the touch panel to move. In the embodiment of the present application, the air-core coil 1803 receives an AC signal, and the electromagnet assembly 1801 and the electromagnet assembly 1802 receive a DC signal, or the air-core coil 1803 receives a DC signal, and the electromagnet assembly 1801 and the electromagnet assembly 1802 receive an AC signal. In this application, the air-core coil 1803 receives AC signals and the

electromagnet assemblies

1801 and 1802 receive DC signals as an example. Clockwise direction, as shown in Figure 18, at this time, the hollow coil 1803 is energized in the forward direction, and the hollow coil 1803 is subjected to the obliquely upward repulsive force F1 of the electromagnet assembly 1801 and the obliquely downward attractive force F2 of the electromagnet 1802, F1 and F2 are in the vertical direction The upper component forces cancel each other out, and the forces in the horizontal direction superimpose each other, so that the air-core coil 1803 receives a rightward force, which drives the touch panel to move to the right. When the hollow coil 1803 is energized in reverse, the air-core coil 1803 receives a leftward force. , to move the touch panel to the left. Reciprocating in this way, the hollow coil 1803 drives the touch panel to vibrate back and forth in the horizontal direction. Optionally, in another embodiment of the present application, the first component 203 may also be a plurality of electromagnet components, and the second component 204 may also be an air-core coil.

FIG. 19 is a schematic diagram of the working principle of the touch panel in the embodiment of the present application. In the embodiment of the present application, the touch panel includes a touch sensor, and the touch sensor is used to sense that the touch panel is touched by a finger and output a touch signal; when the finger presses the touch panel, pressure is generated, and the pressure is transmitted to the elastic bracket, and the elastic bracket becomes elastic. deformation, the pressure sensor fixed on the elastic bracket also deforms accordingly, and the pressure sensor outputs a pressure signal after detecting the deformation. The touch controller receives the touch signal and the pressure signal, and if the pressure signal reaches a first threshold, the touch controller outputs a vibration command, and the electromagnetic motor driver receives the vibration command output by the touch controller, and according to the vibration The command outputs an AC signal, for example, the touch controller can be a touch chip. The electromagnet component generates a magnetic field after receiving the AC signal, and interacts with the surrounding permanent magnet components to drive the touch panel to vibrate. The touch controller calculates the specific position of the finger according to the received touch signal, and reports it to the host. Vibration feedback allows users to determine if their presses are valid, minimizing repetitive gestures.

The embodiment of the present application also provides a touch panel, which includes:

A touch panel, the touch panel includes a touch sensor, and the touch sensor is used to sense that the touch panel is touched by a finger, and output a touch signal;

an elastic bracket, the elastic bracket is located under the touch panel;

A pressure sensor, the pressure sensor is fixed on the upper surface of the elastic support, wherein the pressure sensor is used to generate deformation according to the pressure of the finger pressing the touch panel, and output a pressure signal;

a touch controller, the touch controller is used to receive the touch signal and the pressure signal, and if the pressure signal reaches a first threshold, the touch controller outputs a vibration command;

An electromagnetic motor driver, the electromagnetic motor driver is used to receive the vibration command, and output an AC signal according to the vibration command;

The actuating structure, the actuating part includes a first component and a second component, wherein the first component is fixedly connected to the touch panel, the second component is fixedly connected to the elastic support, and the first A gap is provided between the component and the second component, and the gap is greater than the displacement generated when the first component vibrates, and the actuator is used to receive the AC signal and provide vibration feedback to the user.

Optionally, the gap is between 0.5mm-1mm.

Optionally, the first assembly includes an electromagnet assembly and the second assembly includes a permanent magnet assembly.

Optionally, a window is opened in the middle of the permanent magnet assembly, and the electromagnet assembly is located at the window.

Optionally, the permanent magnet assembly includes a fixed structure and a permanent magnet; the fixed structure includes a protruding structure, the protruding structure is located on a side of the fixing structure, and the protruding structure is used to embed the permanent magnet.

Optionally, the fixing structure further includes a connecting structure, the connecting structure is located at the bottom of the fixing structure, and the connecting structure is fixedly connected to the elastic support.

Optionally, the fixing structure is made of soft magnetic material.

Optionally, the electromagnet assembly includes: a solenoid and an iron core; the solenoid surrounds the iron core; both ends of the iron core protrude from the solenoid, and the extension part A raised structure is provided below, and the raised structure is used to fix the electromagnet assembly below the touch panel.

Optionally, the elastic support includes a beam; the beam is provided with an opening, the permanent magnet assembly is located at the opening, and the permanent magnet assembly is fixed on the lower surface of the beam.

Optionally, the elastic support includes a crossbeam; a groove is provided on the crossbeam, the permanent magnet assembly is located at the groove, and the permanent magnet assembly is fixed on the upper surface of the crossbeam.

Optionally, the first assembly includes a permanent magnet assembly and the second assembly includes an electromagnet assembly.

Optionally, the fixing structure further includes a connecting structure, the connecting structure is located at the bottom of the fixing structure, and the connecting structure is fixedly connected to the touch panel.

Optionally, the fixing structure is made of soft magnetic material.

Optionally, the electromagnet assembly includes: a solenoid and an iron core;

The solenoid surrounds the iron core; the iron core includes a raised structure, and the raised structure is used to fix the electromagnet assembly and the elastic bracket.

Optionally, the elastic support includes a beam; a groove is provided on the beam, and the electromagnet assembly is fixed at the groove.

Optionally, the depth of the groove is equal to the height of the electromagnet structure.

Optionally, the solenoid includes an input end and an output end, the input end and the output end are respectively connected to wires, and the solenoid receives the AC signal through the wires.

Optionally, the elastic support further includes a cantilever beam structure; the cantilever beam structure includes a fixed end and a floating end; a line connecting the fixed end and the floating end is parallel to the long side of the touch panel.

Optionally, the floating end is provided with flexible glue and the pressure sensor; the elastic support is connected to the touch panel through the flexible glue, and there is a gap between the pressure sensor and the touch panel.

Optionally, the touch panel includes four cantilever beam structures, and the fixed ends of each cantilever beam structure are respectively located at four corners of the touch panel.

Optionally, the touch panel further includes: a reinforcing plate, which is located on the lower surface of the touch panel and used to enhance the rigidity of the touch.

The embodiment of the present application also provides an electronic device, including the touch panel in the various embodiments described above.

In the embodiment of the present application, the electronic device includes the above-mentioned touch panel, and the actuating part in the touch panel uses the structure of the permanent magnet assembly to increase the magnetic field of the actuating part, so that the magnetic force received by the electromagnet assembly is stronger, further The vibration effect of the actuating part is strengthened, and at the same time, by directly acting on the touch panel with the magnetic force, the transmission delay when the actuating part vibrates is reduced, and the response speed is faster at this time. The structure of the touch panel is simple and the cost is relatively low. Low.

It should be understood that reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of the present application. Thus, appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Those skilled in the art can appreciate that the units and circuits of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present application.

In the several embodiments provided in this application, it should be understood that the disclosed circuits, branches and units may be implemented in other ways. For example, the branches described above are schematic. For example, the division of the unit is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or integrated into A branch, or some feature, may be ignored, or not implemented.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

The above is only a specific implementation of the application, but the scope of protection of the application is not limited thereto. Anyone familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the application. Should be covered within the protection scope of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

A touch panel, characterized in that, comprising:

A touch panel, the touch panel includes a touch sensor, and the touch sensor is used to sense that the touch panel is touched by a finger, and output a touch signal;

an elastic bracket, the elastic bracket is located under the touch panel;

A pressure sensor, the pressure sensor is fixed on the upper surface of the elastic support, wherein the pressure sensor is used to generate deformation according to the pressure of the finger pressing the touch panel, and output a pressure signal;

a touch controller, the touch controller is used to receive the touch signal and the pressure signal, and if the pressure signal reaches a first threshold, the touch controller outputs a vibration command;

An electromagnetic motor driver configured to receive the vibration command and output an AC signal according to the vibration command;

The actuating structure, the actuating part includes a first component and a second component, wherein the first component is fixedly connected to the touch panel, the second component is fixedly connected to the elastic support, and the first A gap is provided between the component and the second component, and the gap is greater than the displacement generated when the first component vibrates, and the actuator is used to receive the AC signal and provide vibration feedback to the user.
The touch panel according to claim 1, wherein the gap is between 0.5mm-1mm.
The touch panel according to claim 1 or 2, wherein the first component comprises an electromagnet component, and the second component comprises a permanent magnet component.
The touch panel according to any one of claims 1-3, wherein a window is opened in the middle of the permanent magnet assembly, and the electromagnet assembly is located at the window.
The touch panel according to any one of claims 1-4, wherein the permanent magnet assembly comprises a fixed structure and a permanent magnet;

The fixing structure includes a protruding structure, the protruding structure is located on a side of the fixing structure, and the protruding structure is used for embedding the permanent magnet.
The touch panel according to any one of claims 1-5, wherein the fixing structure further comprises a connecting structure, the connecting structure is located at the bottom of the fixing structure, and the connecting structure is fixed to the elastic support connect.
The touch panel according to any one of claims 1-6, wherein the fixing structure is a soft magnetic material.
The touch panel according to any one of claims 1-7, wherein the electromagnet assembly comprises: a solenoid and an iron core;

the solenoid surrounds the iron core;

Two ends of the iron core protrude from the solenoid, and a raising structure is provided under the extending part, and the raising structure is used to fix the electromagnet assembly under the touch panel.
The touch panel according to any one of claims 1-8, characterized in that,

The elastic support includes a beam;

The beam is provided with an opening, the permanent magnet assembly is located at the opening, and the permanent magnet assembly is fixed on the lower surface of the beam.
The touch panel according to any one of claims 1-8, characterized in that,

The elastic support includes a beam;

A groove is provided on the beam, the permanent magnet assembly is located at the groove, and the permanent magnet assembly is fixed on the upper surface of the beam.
The touch panel according to claim 1 or 2, wherein the first component comprises a permanent magnet component, and the second component comprises an electromagnet component.
The touch panel according to claim 11, wherein a window is opened in the middle of the permanent magnet assembly, and the electromagnet assembly is located at the window.
The touch panel according to any one of claims 11 or 12, wherein the permanent magnet assembly comprises a fixed structure and a permanent magnet;

The fixing structure includes a protruding structure, the protruding structure is located on a side of the fixing structure, and the protruding structure is used for embedding the permanent magnet.
The touch panel according to any one of claims 11-13, wherein the fixing structure further includes a connecting structure, the connecting structure is located at the bottom of the fixing structure, and the connecting structure is fixed to the touch panel. connect.
The touch panel according to any one of claims 11-14, wherein the fixing structure is a soft magnetic material.
The touch panel according to any one of claims 11-15, wherein the electromagnet assembly comprises: a solenoid and an iron core;

the solenoid surrounds the iron core;

The iron core includes a raised structure, and the raised structure is used to fix the electromagnet assembly and the elastic bracket.
The touch panel according to any one of claims 11-16, characterized in that,

The elastic support includes a beam;

A groove is arranged on the beam, and the electromagnet assembly is fixed at the groove.
The touch panel according to any one of claims 11-17, wherein the depth of the groove is equal to the height of the electromagnet structure.
According to the touch panel according to any one of claims 1-18, the solenoid comprises an input end and an output end, the input end and the output end are respectively connected to wires, and the spiral tube passes through the wires The AC signal is received.
The touch panel according to any one of claims 1-19, wherein the elastic support further comprises a cantilever beam structure;

The cantilever beam structure includes a fixed end and a suspended end;

The connection line between the fixed end and the floating end is parallel to the long side of the touch panel.
The touch panel according to any one of claims 1-20, wherein flexible glue and the pressure sensor are provided on the floating end;

The elastic support is connected to the touch panel through the flexible glue, and there is a gap between the pressure sensor and the touch panel.
The touch panel according to any one of claims 1-21, wherein the touch panel comprises four cantilever beam structures, and the fixed ends of each cantilever beam structure are respectively located at the 4 corners of the touch panel.
The touch panel according to any one of claims 1-22, wherein the touch panel further comprises:

A reinforcing plate, the reinforcing plate is located on the lower surface of the touch panel, and is used to enhance the rigidity of the touch.
An electronic device, comprising the touch panel according to any one of claims 1-23.