CN216249186U - Touch control device - Google Patents

Abstract

The application discloses touch device, including first circuit board, a plurality of first light-emitting component, a plurality of second light-emitting component, leaded light subassembly and covering. The plurality of first light-emitting components are arranged on the first circuit board. The plurality of second light emitting elements are arranged on the first circuit board and are positioned on one side of the plurality of first light emitting elements. The light guide assembly is arranged on the light path of the first light-emitting pieces and the second light-emitting pieces. The covering part is arranged on the light guide assembly. Another touch device is different in the arrangement relationship between a first circuit board, a plurality of first light emitting elements, a second circuit board and a plurality of second light emitting elements, wherein the plurality of first light emitting elements are arranged on the first circuit board. The second circuit board is provided with a plurality of through holes, the second circuit board is arranged on the first circuit board, and the first light-emitting pieces are positioned in the through holes. This application is through the design of piling up of circuit board and illuminating part, and it can more conveniently carry out the circuit of illuminating part and walk the line and the light path design of illuminating part.

Description

Touch control device

Technical Field

The present application relates to the field of input devices, and more particularly, to a touch device.

Background

In the existing design, the sensor and the light emitting diode are all placed on the same surface of the touch control circuit board, and when the electronic element or the circuit routing layout thereof is arranged, the problem of design difficulty with insufficient space is encountered. If a plurality of light emitting diodes with different colors are added to the touch circuit board for displaying, the area of the board body of the touch circuit board needs to be increased, which may increase the overall area and affect the surrounding electronic components or devices, thereby causing inconvenience in the design of the electronic device. Meanwhile, the light of the LEDs emitting different colors will also affect each other, resulting in poor display effect of the light.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides a touch device, which solves the problem of the wiring and space design of a plurality of light emitting diodes disposed on a circuit board in a touch panel in the prior art.

In order to solve the technical problem, the present application is implemented as follows:

a first aspect provides a touch device, which includes a first circuit board, a plurality of first light emitting elements, a plurality of second light emitting elements, a light guide assembly, and a cover. The plurality of first light-emitting components are arranged on the first circuit board. The plurality of second light emitting elements are arranged on the first circuit board and are positioned on one side of the plurality of first light emitting elements. The light guide assembly is arranged on the light path of the first light-emitting pieces and the second light-emitting pieces. The covering part is arranged on the light guide assembly.

A second aspect provides a touch device, which includes a first circuit board, a plurality of first light emitting elements, a second circuit board, a plurality of second light emitting elements, and a cover element. The plurality of first light-emitting components are arranged on the first circuit board. The second circuit board is provided with a plurality of through holes, the second circuit board is arranged on the first circuit board, and the first light-emitting pieces are positioned in the through holes. The plurality of second light-emitting pieces are arranged on the second circuit board. The covering part is arranged on the second circuit board.

The embodiment of the application provides a touch device, and through the structural design of piling up of circuit board, first light-emitting component, second light-emitting component, leaded light subassembly and covering, it can more conveniently carry out the design of the line of light-emitting component and the ray path of light-emitting component.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view of a touch device according to a first embodiment of the present application;

FIG. 2 is a cross-sectional view of a touch device according to a first embodiment of the present disclosure;

FIG. 3 is a light path diagram of a touch device according to a first embodiment of the present disclosure;

FIG. 4 is a diagram illustrating an arrangement of components of a touch device according to a first embodiment of the present application;

FIG. 5 is a diagram illustrating another configuration of components of the touch device according to the first embodiment of the present disclosure;

FIG. 6 is a cross-sectional view of a touch device according to a second embodiment of the present application;

FIG. 7 is a light path diagram of a touch device according to a second embodiment of the present application;

FIG. 8 is a cross-sectional view of a touch device according to a third embodiment of the present application;

FIG. 9 is a light path diagram of a touch device according to a third embodiment of the present application;

fig. 10 is a cross-sectional view of a touch device according to a fourth embodiment of the present application;

fig. 11 is a light path diagram of a touch device according to a fourth embodiment of the present application;

fig. 12 is a cross-sectional view of a touch device according to a fifth embodiment of the present application;

fig. 13 is a light path diagram of a touch device according to a fifth embodiment of the present application;

fig. 14 is a cross-sectional view of a touch device according to a sixth embodiment of the present application;

fig. 15 is a light path diagram of a touch device according to a sixth embodiment of the present application;

fig. 16 is a perspective view of a touch device according to a seventh embodiment of the present application;

fig. 17 is a cross-sectional view of a touch device according to a seventh embodiment of the present application;

fig. 18 is a perspective view of a touch device according to an eighth embodiment of the present application;

fig. 19 is a cross-sectional view of a touch device according to an eighth embodiment of the present application; and

fig. 20 is a cross-sectional view of a touch device according to a ninth embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Fig. 1 to 3 are a perspective view, a cross-sectional view and a ray path diagram of a touch device according to a first embodiment of the present application. As shown in the drawings, the present embodiment provides a touch device 1, which includes a first circuit board 11, a plurality of first light emitting elements 12, a plurality of second light emitting elements 13, a light guide assembly 14, and a cover 15. The plurality of first light emitting elements 12 are disposed on and electrically connected to the first circuit board 11. The plurality of second light emitting members 13 are disposed on and electrically connected to the first circuit board 11, and the second light emitting members 13 are disposed at one side of the first light emitting members 12. The second light emitting element 13 is, for example, provided separately from the first light emitting element 12. The first circuit board 11 may be provided with a touch circuit (not shown), which can be adjusted according to the requirement of the user. The light guide assembly 14 is disposed in the light path of the first light emitting elements 12 and the second light emitting elements 13. The light guide assembly 14 may include at least one of a light-transmitting member, a light-guiding member, a diffuser, an atomizer, and a shielding member, and the light guide assembly 14 may have a corresponding pattern to guide the light of the first light-emitting member 12 and/or the second light-emitting member 13 to a correct position without mutual influence of the light of the two. A cover 15 is arranged on the light guiding assembly 14, wherein the cover 15 is for example glass or plastic, which may have a thickness of less than 1.2 mm. In one embodiment, the cover 15 has display regions 151, 152, wherein the display regions 151, 152 can display characters or symbols with the same or different color lights according to different applications.

In the present embodiment, the touch device 1 further includes a second circuit board 16, and the second circuit board 16 is, for example, a touch circuit board provided with a touch circuit (not shown), and detects a touch position or a moving track of a user through a change of the touch circuit for performing touch operation and triggering. The second circuit board 16 has a plurality of through holes 161, the second circuit board 16 is disposed between the first circuit board 11 and the light guide assembly 14, and the plurality of first light emitting elements 12 and the plurality of second light emitting elements 13 are disposed in the plurality of through holes 161 of the second circuit board 16. The depth of the through hole 161 of the second circuit board 16 is not equal to the height of the first light emitting element 12 and the second light emitting element 13. In one embodiment, the light guide element 14 is, for example, a light-transmitting film, and the depth of the through hole 161 of the second circuit board 16 is greater than the heights of the first light-emitting element 12 and the second light-emitting element 13, so that the light emitted from the first light-emitting element 12 to the peripheral side and the light emitted from the second light-emitting element 13 to the peripheral side are blocked by the raised inner sidewall surface of the through hole 161; in other words, the light path of the first light emitting element 12 and the light path of the second light emitting element 13 only retain light rays having an excessive angle that does not deviate from the vertically upward illuminating light rays, and thus a light source having high directivity is provided. So that the light rays of the first light-emitting members 12 and the light rays of the second light-emitting members 13 do not interfere with each other.

Fig. 4 and 5 are a component layout diagram and another component layout diagram of a touch device according to a first embodiment of the present application. As shown in the figure, the touch device 1 further includes a first control element 171, a second control element 172 and a connecting element 173, and the plurality of first light emitting elements 12 and the plurality of second light emitting elements 13 are disposed on the first circuit board 11. The first control member 171 is used for controlling the plurality of first light emitting members 12 and the plurality of second light emitting members 13, and the second control member 172 is used for controlling the second circuit board 16. The first control element 171, the second control element 172 and the connecting element 173 are disposed on the first circuit board 11 or/and the second circuit board 16. The connecting component 173 can be, but not limited to, a connecting port, one end of which is connected to at least one of the first circuit board 11 and the second circuit board 16, and the other end of which is used to electrically connect an external circuit (e.g., a motherboard or a processor of a control touch device).

In the present embodiment, the first circuit board 11 and the second circuit board 16 are stacked, which can increase the routing space of the plurality of first light emitting elements 12, the plurality of second light emitting elements 13, the first control element 171, the second control element 172 and the connecting element 173, so as to provide more convenient routing for users to design related circuits. Furthermore, the first circuit board 11 and the second circuit board 16 are further soldered and fixed by stamp holes (not shown) around the two and electrically connected by electrical connection points (Hot bar), or the first circuit board 11 and the second circuit board 16 are bonded by Anisotropic Conductive Film (ACF) to electrically connect the two, so as to reduce the space occupied by the first circuit board 11 and the second circuit board 16.

Fig. 6 and 7 are a cross-sectional view and a light path diagram of a touch device according to a second embodiment of the present application. As shown in the drawings, the difference of the present embodiment compared to the first embodiment is the difference of the light guide structure. The light guide element 14 is, for example, a diffusion film 141, the diffusion film 141 has a spacer 143 therein, the spacer 143 is located between the first light emitting element 12 and the second light emitting element 13, wherein the first light emitting element 12 and the second light emitting element 13 are light emitting diodes, the diffusion film 141 of the light guide element 14 can diffuse concentrated light of the light emitting diodes all around, which is helpful for displaying a more uniform light source on the cover 15, and a preferred thickness of the diffusion film 141 is less than 1.2 mm. The depth of the through hole 161 of the second circuit board 16 may be substantially equal to the height of the first light-emitting element 12 and the second light-emitting element 13, and the light emitted from the first light-emitting element 12 toward the peripheral side and the light emitted from the second light-emitting element 13 toward the peripheral side are blocked by the spacer 143, so that the light of the plurality of first light-emitting elements 12 and the light of the plurality of second light-emitting elements 13 do not interfere with each other.

Please refer to fig. 8 and 9, which are cross-sectional views and ray path diagrams of a touch device according to a third embodiment of the present application. As shown in the drawings, the difference of the present embodiment compared to the first embodiment is that the arrangement of the circuit board is different from the structure of the light guide assembly 14. In the present embodiment, the first circuit board 11 can be used as a touch circuit board, wherein, for example, a touch circuit (not shown) is provided for performing touch operation and triggering. The light guide assembly 14 includes a first light guide group 145 and a second light guide group 146, the first light guide group 145 is disposed on the first circuit board 11, the second light guide group 146 is disposed on the first light guide group 145, the light path of the first light emitting device 12 and the second light emitting device 13 is side-emitting, the light path of the second light emitting device 13 is higher than the light path of the first light emitting device 12, the first light guide group 145 is disposed on one side of the first light emitting device 12, the light path of the first light emitting device 12 passes through the first light guide group 145, the second light guide group 146 is disposed on one side of the second light emitting device 13, and the light path of the second light emitting device 13 passes through the second light guide group 146.

As mentioned above, the light guide assembly 14 includes the substrate layer 144, the substrate layer 144 is disposed on the first circuit board 11, and the first light guide set 145 is disposed on the substrate layer 144. The first light guide set 145 includes a first light guide 1451 and a first image guide 1452, the first light guide 1451 is disposed on the substrate layer 144, the first image guide 1452 is disposed on the first light guide 1451, wherein the first light guide 1451 has a plurality of first light guide points 14511 therein, the first image guide 1452 has a plurality of images, and the plurality of first light guide points 14511 correspond to the plurality of images. The base material layer 144 is, for example, a reflective layer. When the light of the first light emitting device 12 irradiates the first light guiding point 14511 in the first light guiding device 1451, the light is reflected again to the image by the first light guiding point 14511, and thus the light projects the image on the cover 15.

Furthermore, the second light guide assembly 146 includes a second light guide 1461 and a second image 1462, the second light guide 1461 is disposed on the first image 1452, and the second image 1462 is disposed on the second light guide 1461. The second light guide 1461 has a plurality of second light guide points 14611 therein, the second image 1462 has a plurality of images, and the second light guide points 14611 correspond to the images. When the light of the second light emitting element 13 illuminates the plurality of second light guide points 14611 in the second light guide element 1461, the light is reflected by the second light guide points 14611 to the image again, so that the light projects the image on the cover 15.

The light of the first light emitting device 12 is converted into a light path by the plurality of first light guide points 14511 of the first light guide 1451, and is diffused and reflected, so that the light of the first light emitting device 12 can be uniformly emitted. The light of the second light emitting element 13 passes through the plurality of second light guide points 14611 of the second light guide element 1461, so that the light of the first light emitting element 12 and the light of the second light emitting element 13 can both irradiate a uniform light source to project an image on the cover 15. In addition, the first light guide points 14511 of the first light guide 1451 and the second light guide points 14611 of the second light guide 1461 are located at different vertical positions, in other words, the light reflected by the first light guide 1451 and the light reflected by the second light guide 1461 may correspond to different display areas on the cover 15.

In addition, the first light emitting element 12 and the second light emitting element 13 illuminate light in a lateral direction, wherein one end of the first image element 1452 extends in a direction having the second light emitting element 13, and the first image element 1452 covers the side of the first light guiding element 1451 downward, so that the second light emitting element 13 is prevented from illuminating the first light guiding element 1451 in the lateral direction, and the light emission of the first light emitting element 12 is prevented from being affected.

In this embodiment, the first image element 1452 and the second image element 1462 of the light guide assembly 14 have a plurality of images, and the preferred thickness of the first image element 1452 and the second image element 1462 is less than 1.2 mm. The light paths of the first light-emitting elements 12 and the second light-emitting elements 13 correspond to a plurality of images, respectively, wherein each image is a number, an english letter, a symbol or/and a pattern, and can be selected according to the user's needs.

After the light rays of the first light-emitting devices 12 and the light rays of the second light-emitting devices 13 pass through the first image device 1452 and the second image device 1462 of the light guide assembly 14, the light rays of the first light-emitting devices 12 and the second light-emitting devices 13 irradiate the covering member 15. The light is displayed as a plurality of images on the surface of the cover 15, the cover 15 has a plurality of first display regions 151 and a plurality of second display regions 152, the light path of the first light-emitting devices 12 corresponds to the image of the first image device 1452 and the plurality of first display regions 151, the light path of the second light-emitting devices 13 corresponds to another image of the second image device 1462 and the plurality of second display regions 152, and thus different images are displayed with different colors of light, so as to facilitate the user to use the touch panel.

Fig. 10 and 11 are a cross-sectional view and a light path diagram of a touch device according to a fourth embodiment of the present application. As shown in the drawings, the present embodiment is different from the third embodiment in that it further includes a reflective member 1453A. The light guide assembly 14 includes a substrate layer 144, a light guide 1451A, an image 1452A, and at least one reflector 1453A, wherein the substrate layer 144 is disposed on the first circuit board 11, the light guide 1451A is disposed on the substrate layer 144, the image 1452A is disposed on the light guide 1451A, the at least one reflector 1453A is disposed above the light guide 1451A, the plurality of receiving through holes 148 penetrate through the substrate layer 144 and the light guide 1451A, the plurality of first light-emitting devices 12 and the plurality of second light-emitting devices 13 are disposed at the plurality of receiving through holes 148, and the at least one reflector 1453A is disposed above at least one of the plurality of first light-emitting devices 12 and the plurality of second light-emitting devices 13.

As mentioned above, when the light emitted from the first light-emitting devices 12 and the second light-emitting devices 13 is vertically emitted upward, the light from the first light-emitting devices 12 and the second light-emitting devices 13 is firstly emitted onto the at least one reflection device 1453A and is reflected by the at least one reflection device 1453A to the light-guiding device 1451A, wherein the light-guiding device 1451A has a plurality of light-guiding points 14511A, the image device 1452A has a plurality of images, and the plurality of light-guiding points 14511A correspond to the plurality of images. When the light irradiates the light guide points 14511A of the light guide 1451A, the light is reflected by the light guide points 1451A to the image again, so that the light projects the image on the cover 15.

Fig. 12 and 13 are a cross-sectional view and a ray path diagram of a touch device according to a fifth embodiment of the present application. As shown in the figure, the difference of the present embodiment compared with the fourth embodiment is the difference of the light guide assembly 14. In this embodiment, the light guide assembly 14 includes a substrate layer 144, a first light guide 1451, a first image 1452, at least one first reflector 1453, a second light guide 1461, a second image 1462, and at least one second reflector 1463, the substrate layer 144, the first light guide 1451, the first image 1452, the second light guide 1461, and the second image 1462 are sequentially disposed on the first circuit board 11, a plurality of first accommodating through holes 1481 penetrate the substrate layer 144 and the first light guide 1451, a plurality of first light emitting devices 12 are disposed in the plurality of first accommodating through holes 1481, at least one first light guide 1453 is disposed above the first light guide 1451, at least one first light guide 1453 is disposed on a light emitting path of the first light emitting device 12, a plurality of second accommodating through holes 1482 penetrate the substrate layer 144, the first light guide 1451 and the first image 1452, a plurality of second light emitting devices 13 are disposed in the plurality of second accommodating through holes 1452, and at least one second light guide 1463 is disposed above the second accommodating through holes 1461, at least one second reflector 1463 is positioned on the light emitting path of the second light emitting element 13.

As mentioned above, when the light emitted from the first light-emitting devices 12 and the second light-emitting devices 13 is vertically emitted upward, the light of the first light-emitting devices 12 is firstly emitted onto the at least one first reflecting device 1453 and is reflected by the at least one first reflecting device 1453 to the first light-guiding device 1451, wherein the first light-guiding device 1451 has a plurality of first light-guiding points 14511 therein, the first image device 1452 has a plurality of images, and the plurality of first light-guiding points 14511 correspond to the plurality of images. When the light irradiates the plurality of first light guide points 14511 of the light guide member 1451, the light is reflected again to the image by the first light guide points 1451, and thus the light projects the image on the cover 15.

Furthermore, the light of the second light emitting elements 12 first irradiates the at least one second reflecting element 1463 and is reflected by the at least one second reflecting element 1463 to the second light guiding element 1461, wherein the first light guiding element 1461 has a plurality of second light guiding points 14611 therein, the second image element 1462 has a plurality of images, and the plurality of second light guiding points 14611 correspond to the plurality of images. When the light irradiates on the second light guide points 14611 of the second light guide 1461, the light is reflected again to the image by the second light guide points 1461, so that the light projects the image on the cover 15.

Fig. 14 and 15 are a cross-sectional view and a ray path diagram of a touch device according to a sixth embodiment of the present application. As shown in the figure, the difference of the present embodiment compared to the fifth embodiment is that the second light emitting element 14 is irradiated differently. In this embodiment, the light guide assembly 14 includes a substrate layer 144, a first light guide 1451, a first image 1452, at least one reflector 1453, a second light guide 1461, and a second image 1462, wherein the substrate layer 144, the first light guide 1451, the first image 1452, the second light guide 1461, and the second image 1463 are sequentially disposed upward from the first circuit board 11, a plurality of accommodating through holes 148 penetrate through the substrate layer 144 and the first light guide 1451, a plurality of first light emitting devices 12 are disposed in the accommodating through holes 148, the at least one reflector 1453 is disposed above the first light guide 1451, the at least one reflector 1453 is disposed on a light emitting path of the first light emitting device 12, the plurality of second light emitting devices 13 are disposed at one side of the second light guide 1461, and light lines of the plurality of second light emitting devices 13 pass through the second light guide 1461.

In addition, the first light emitting element 12 irradiates light in a vertical direction, the second light emitting element 13 irradiates light in a lateral direction, wherein one end of the first image element 1452 extends in a direction having the second light emitting element 13, and the first image element 1452 is covered downward on a side of the first light guiding element 1451, so that the second light emitting element 13 is prevented from irradiating the first light guiding element 1451 in the lateral direction, and the light emission of the first light emitting element 12 is prevented from being influenced.

As described above, the light emission path of the first light-emitting device 12 of the present embodiment is the same as the light emission path of the first light-emitting device 12 of the fifth embodiment. Meanwhile, the light emitting path of the second light emitting element 13 of the present embodiment is the same as the light emitting path of the second light emitting element 13 of the third embodiment, and thus, the description thereof is omitted.

Please refer to fig. 16 and 17, which are a cross-sectional view and a light path diagram of a touch device according to a seventh embodiment of the present application. As shown in the drawings, in the present embodiment, the first circuit board 11 has a plurality of accommodating holes 111, and the plurality of first light-emitting elements 12 are disposed in the plurality of accommodating holes 111. Therefore, the occupied surface space of the first circuit board 11 is reduced, and the layout design of the subsequent electronic elements is facilitated. In addition, the plurality of second light emitting elements 13 are disposed around the plurality of first light emitting elements 12, and the present embodiment can design the arrangement of the plurality of first light emitting elements 12 and the plurality of second light emitting elements 13 according to the requirement of the user.

Please refer to fig. 18 and 19, which are cross-sectional views and ray path diagrams of a touch device according to an eighth embodiment of the present application. As shown in the drawings, the present embodiment provides a touch device 2, which includes a first circuit board 21, a plurality of first light emitting elements 22, a second circuit board 23, a plurality of second light emitting elements 24, a light guide assembly 25 and a cover 26. The plurality of first light emitting elements 22 are disposed on the first circuit board 21. The second circuit board 23 has a plurality of through holes 231, the second circuit board 23 is disposed on the first circuit board 21, and the plurality of first light-emitting elements 22 are disposed in the plurality of through holes 231. The second light emitting elements 24 are disposed on the second circuit board 23 along at least one side of the second circuit board 23. In this embodiment, the second light emitting elements 24 are disposed along two opposite long sides of the second circuit board 23, for example. The cover 26 is disposed on the second circuit board 23. The touch device 2 further includes a light guide element 25, the light guide element 25 is disposed between the cover 26 and the second circuit board 23, at least one of the first light-emitting elements 22 and the second light-emitting elements 24 is disposed on one side of the light guide element 25, and the light guide element 25 is disposed on the light path of the first light-emitting elements 22 and the second light-emitting elements 24.

Please refer to fig. 20, which is a cross-sectional view and a ray path diagram of a touch device according to a ninth embodiment of the present application. As shown in the drawings, the present embodiment is different from the eighth embodiment in the arrangement of the second light emitting elements 24, and the plurality of second light emitting elements 24 are annularly provided to the plurality of first light emitting elements 22.

In the present embodiment, the first light emitting element 22 is disposed and electrically connected to the first circuit board 21, and the second light emitting element 24 is disposed and electrically connected to the second circuit board 23, which can provide diversified disposing manners for users. In addition, referring to fig. 4 and 5, the wiring manner of the electronic components and the circuit also has various designs and choices, and in the present embodiment, the first control element, the second control element and the connecting element can be electrically connected to the first light emitting element 22 and the second light emitting element 24, and the above components are disposed on the first circuit board 21 or/and the second circuit board 23, so as to provide the user with various arrangements of the light emitting elements and variations of the circuit wiring.

To sum up, the application provides a touch device, and it passes through the structural design of the piling up of circuit board, first luminous component, second luminous component, leaded light subassembly and covering, and it can more conveniently carry out the design that the line of luminous component was walked and the light path of luminous component is followed.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the foregoing specification illustrates and describes several preferred embodiments of this application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed herein, either by the above teachings or by the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims (17)

1. A touch device, comprising:

a first circuit board;

a plurality of first light emitting elements disposed on the first circuit board;

the second light-emitting pieces are arranged on the first circuit board and are positioned on one sides of the first light-emitting pieces;

the light guide assembly is arranged on light path of the first light-emitting pieces and the second light-emitting pieces; and

and the covering piece is arranged on the light guide assembly.

2. The touch device of claim 1, wherein the first circuit board is provided with a touch circuit.

3. The touch device of claim 1, further comprising a second circuit board disposed between the first circuit board and the light guide element, wherein the first and second light-emitting elements are electrically connected to the first circuit board, the second circuit board has a plurality of through holes, and the first and second light-emitting elements are disposed in the through holes of the second circuit board.

4. The touch device of claim 1, further comprising a second circuit board disposed between the first circuit board and the light guide element, wherein the first light-emitting elements are electrically connected to the first circuit board, the second light-emitting elements are electrically connected to the second circuit board, the second circuit board has a plurality of through holes, and the first light-emitting elements are disposed in the through holes of the second circuit board.

5. The touch device of claim 3 or 4, wherein the depth of the through hole of the second circuit board is greater than the height of the first light-emitting element.

6. The touch device according to claim 3 or 4, further comprising a first control element, a second control element and a connecting element, wherein the first control element is used for controlling the plurality of first light emitting elements and the plurality of second light emitting elements, the second control element is used for controlling the second circuit board, the first circuit board is electrically connected to the second circuit board, and the second circuit board is a touch circuit board.

7. The touch device of any one of claims 1 to 4, wherein the light guide assembly comprises a diffuser film having a spacer therein, the spacer being located between the first and second light emitting elements.

8. The touch device of any one of claims 1 to 4, wherein the light guide assembly comprises an image element having a plurality of images, and the light paths of the first light emitting elements and the second light emitting elements respectively correspond to the images, wherein each image is a number, an English letter, a symbol, or/and a pattern.

9. The touch device according to any one of claims 1 to 4, wherein the cover has a plurality of first display regions and a plurality of second display regions, the light path of the plurality of first light emitting elements corresponds to the plurality of first display regions, and the light path of the plurality of second light emitting elements corresponds to the plurality of second display regions.

10. The touch device according to any one of claims 1 to 4, wherein the light guide assembly includes a first light guide set and a second light guide set, the first light guide set is disposed on the first circuit board, the second light guide set is disposed on the first light guide set, the first light guide set is disposed on one side of the first light emitting element, a light path of the first light emitting element passes through the first light guide set, the second light guide set is disposed on one side of the second light emitting element, and a light path of the second light emitting element passes through the second light guide set.

11. The touch device of claim 10, wherein the light guide assembly further comprises a substrate layer, the first light guide set comprises a first light guide and a first image, the first light guide is disposed on the substrate layer, the first image is disposed on the first light guide, the second light guide set comprises a second light guide and a second image, the second light guide is disposed on the first image, and the second image is disposed on the second light guide.

12. The touch device of claim 10, wherein the light guide assembly further comprises at least one reflector disposed above at least one of the first light-emitting elements and the second light-emitting elements.

13. The touch device according to any one of claims 1 to 4, wherein the light guide assembly comprises a light guide member, an image member and at least one reflection member, the light guide member is disposed on the first circuit board, the image member is disposed on the light guide member, the light guide member has a plurality of receiving holes, the first light emitting members and the second light emitting members are disposed in the receiving holes, and the at least one reflection member is disposed above at least one of the first light emitting members and the second light emitting members.

14. The touch device of any one of claims 1 to 4, wherein the first circuit board has a plurality of receiving holes, and the first light-emitting elements are disposed in the plurality of receiving holes.

15. A touch device, comprising:

a first circuit board;

a plurality of first light emitting elements disposed on the first circuit board;

the second circuit board is provided with a plurality of through holes, the second circuit board is arranged on the first circuit board, and the first light-emitting pieces are positioned in the through holes;

a plurality of second light emitting members disposed on the second circuit board; and

and the covering piece is arranged on the second circuit board.

16. The touch device of claim 15, wherein the second light emitting elements are disposed on the second circuit board along at least one side of the second circuit board.

17. The touch device of claim 15, further comprising a light guide assembly disposed between the cover and the second circuit board, wherein at least one of the first light emitting elements and the second light emitting elements is disposed at one side of the light guide assembly.

Images