CN221149086U - Touch display module, display device and all-in-one - Google Patents

Abstract

The application discloses a touch display module, a display device and an all-in-one machine. The touch display module includes: the first liquid crystal display module and the second liquid crystal display module are adjacently arranged, and a splice seam is formed between the first liquid crystal display module and the second liquid crystal display module; the display panel is arranged on the first liquid crystal display module and the second liquid crystal display module and is positioned on the splicing seam; the touch control component is arranged on the first liquid crystal display module, the second liquid crystal display module and the display panel and is used for detecting touch control operation on at least one of the first liquid crystal display module, the second liquid crystal display module and the display panel. By the mode, the touch control function can be realized, and the use experience of a user is improved; in addition, the display panel, the first liquid crystal display module and the second liquid crystal display module can realize full-screen display.

Description

Touch display module, display device and all-in-one

Technical Field

The application relates to the technical field of display, in particular to a touch display module, a display device and an all-in-one machine.

Background

With the development of display panels, the size of the display panels is larger and larger; but limited by production technology, when the size of the display panel can not be larger, the display effect of a large scene can be realized by splicing the display panel, so that the user can bring the immersive visual experience, and the spliced display panel can be applied to occasions such as advertisement display, propaganda and exhibition.

However, because the size of the spliced display panel is larger, the spliced display panel cannot display the touch function, and the use experience of a user is affected.

Disclosure of utility model

In view of the above, the present application provides a touch display module, a display device and an all-in-one machine, so as to solve the above technical problems.

The application provides a touch display module, comprising: the first liquid crystal display module and the second liquid crystal display module are adjacently arranged, and a splice seam is formed between the first liquid crystal display module and the second liquid crystal display module; the display panel is arranged on the first liquid crystal display module and the second liquid crystal display module and is positioned on the splicing seam; the touch control component is arranged on the first liquid crystal display module, the second liquid crystal display module and the display panel and is used for detecting touch control operation on at least one of the first liquid crystal display module, the second liquid crystal display module and the display panel.

The touch control display module further comprises a controller, the controller is respectively connected with the touch control assembly, the first liquid crystal display module, the second liquid crystal display module and the display panel, the touch control assembly detects touch control operation, and the controller is used for controlling the first liquid crystal display module, the second liquid crystal display module and the display panel to synchronously display.

The touch control assembly does not detect touch control operation, the touch control display module is in a preset mode, and the controller is used for controlling the display panel to display pre-stored information.

The touch control assembly further comprises a first cover plate glass and a second cover plate glass, wherein the first cover plate glass is arranged on the first liquid crystal display module, the second cover plate glass is arranged on the second liquid crystal display module, and the display panel is positioned between the first cover plate glass and the second cover plate glass; the thickness of the first cover glass, the thickness of the second cover glass and the thickness of the display panel are the same.

Wherein, the display panel is partially overlapped with the display area of the first liquid crystal display module; and/or the display panel is partially overlapped with the display area of the second liquid crystal display module.

The touch control assembly comprises an infrared emission assembly and an infrared receiving assembly, the infrared emission assembly and the infrared receiving assembly are arranged on the display panel, the first cover plate glass and the second cover plate glass, and the infrared emission assembly and the infrared receiving assembly are respectively arranged on two opposite sides of the touch control display module.

The touch display module further comprises a frame and a back frame, wherein the frame is arranged on the back frame; the infrared emission subassembly includes infrared lamp strip and light filter, and infrared lamp strip and light filter are installed in the frame, and infrared lamp strip is used for producing the infrared ray, and the light filter is located the transmission direction of infrared ray, and the light filter is located display panel, first cover plate glass and second cover plate glass.

Wherein, touch display module assembly still includes:

The front frame is arranged on the back frame and is adjacent to the frame, and the display panel is positioned between the front frame and the frame;

the support piece is fixed between the back frame and the front frame;

And the backboard is arranged on one side of the support piece far away from the display panel.

The application also provides a display device comprising the touch display module.

The application also provides an integrated machine comprising the display device.

The application has the beneficial effects that: unlike the prior art, the touch display module of the present application includes: the first liquid crystal display module and the second liquid crystal display module are adjacently arranged, and a splice seam is formed between the first liquid crystal display module and the second liquid crystal display module; the display panel is arranged on the first liquid crystal display module and the second liquid crystal display module and is positioned on the splicing seam; the touch control component is arranged on the first liquid crystal display module, the second liquid crystal display module and the display panel and is used for detecting touch control operation on at least one of the first liquid crystal display module, the second liquid crystal display module and the display panel. The touch control assembly is arranged on the first liquid crystal display module, the second liquid crystal display module and the display panel and is used for detecting touch control operation, so that the touch control display module realizes a touch control function and the use experience of a user is improved; in addition, set up display panel on the seam, display panel sets up on first liquid crystal display module and second liquid crystal display module, reduces the width of seam between first liquid crystal display module and the second liquid crystal display module, can realize that display panel, first liquid crystal display module and second liquid crystal display module show on the whole screen.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic front view of an embodiment of a touch display module according to the present application;

FIG. 2 is a schematic cross-sectional view taken along line I-I' of FIG. 1;

FIG. 3 is a partial schematic view of the section along II-II' in FIG. 1;

fig. 4 is a schematic frame diagram of an embodiment of the touch display module in fig. 1.

Reference numerals in the specific embodiments are as follows:

A touch display module 10; a first liquid crystal display module 11; a second liquid crystal display module 12; a display panel 13; a touch control component 14; a splice joint 15; a controller 16; a first cover glass 17; a second cover glass 18; an LED lamp panel 131; an optical film 132; a display area AA1; a display area AA2; an infrared emission component 141; a frame 151; a back frame 152; an infrared light bar 142; a light filter 143; a front frame 153; a support 154; a back plate 155.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the application and are not intended to limit the scope of the application, i.e., the application is not limited to the embodiments described.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of the present application, unless otherwise specified, "a plurality of" means two or more (including two), and similarly, "a plurality of" means two or more (including two), and "a plurality of" means two or more (including two); the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the application.

In the description of the present application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present application, the term "and/or" is merely an association relation describing an associated object, meaning that three relations may exist, for example a and/or B, may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the present application, it is to be noted that the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

Referring to fig. 1-3, fig. 1 is a schematic front view of an embodiment of a touch display module according to the present application; FIG. 2 is a schematic cross-sectional view taken along line I-I' of FIG. 1; fig. 3 is a partial schematic view of the section along II-II' in fig. 1. The touch display module 10 of the present embodiment includes a first liquid crystal display module 11, a second liquid crystal display module 12, a display panel 13 and a touch assembly 14.

The first liquid crystal display module 11 and the second liquid crystal display module 12 are adjacently disposed, for example, in order to achieve a display effect of a large scene, the first liquid crystal display module 11 and the second liquid crystal display module 12 are spliced, so that the first liquid crystal display module 11 and the second liquid crystal display module 12 are adjacently disposed. The first liquid crystal display module 11 and the second liquid crystal display module 12 are arranged at intervals, and a splice seam 15 is formed between the first liquid crystal display module 11 and the second liquid crystal display module 12.

The first liquid crystal display module 11 and the second liquid crystal display module 12 may be TFT-LCDs (Thin film transistor liquid CRYSTAL DISPLAY, thin film transistor liquid crystal display modules). For example, the first lcd module 11 and the second lcd module 12 may be existing lcd modules, and detailed descriptions of the specific structures of the first lcd module 11 and the second lcd module 12 are omitted herein.

The touch display module 10 of the present embodiment is illustrated by taking the first liquid crystal display module 11 and the second liquid crystal display module 12 as examples, and is not limited to the touch display module 10 only including the first liquid crystal display module 11 and the second liquid crystal display module 12; for example, the touch display module 10 may include a plurality of liquid crystal display modules, and the structures of two adjacent liquid crystal display modules are the same as those of the first liquid crystal display module 11 and the second liquid crystal display module 12.

The display panel 13 is disposed on the first liquid crystal display module 11 and the second liquid crystal display module 12 and is located on the splice seam 15. That is, the display panel 13 is disposed on the splice line 15 as a spliced screen of the first liquid crystal display module 11 and the second liquid crystal display module 12, so as to reduce the width of the splice line 15 between the first liquid crystal display module 11 and the second liquid crystal display module 12, and realize the full screen display of the display panel 13, the first liquid crystal display module 11 and the second liquid crystal display module 12.

The display panel 13 may be a mini LED display panel. In other embodiments, the display panel 13 may also be a Micro LED (Micro light emitting diode) display panel or an OLED (organic light emitting diode) display panel.

Alternatively, the display panel 13 is disposed on the first liquid crystal display module 11 and the second liquid crystal display module 12 by magnetic attraction. In other embodiments, the display panel 13 may be further disposed on the first lcd module 11 and the second lcd module 12 by gluing.

The touch control component 14 is arranged on the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13; for example, in the thickness direction of the touch display module 10, the touch component 14 is located above the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13, i.e. the touch component 14 does not need to directly abut against the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13.

The touch control component 14 is used for detecting touch control operation on at least one of the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13; for example, the touch module 14 may detect a touch operation performed by an operator on the first lcd module 11, or the touch module 14 may detect a touch operation performed by an operator on the first lcd module 11, the second lcd module 12, and the display panel 13.

The touch display module 10 of the present embodiment includes a first liquid crystal display module 11, a second liquid crystal display module 12, a display panel 13 and a touch component 14; the first liquid crystal display module 11 and the second liquid crystal display module 12 are adjacently arranged, and the display panel 13 is arranged on the first liquid crystal display module 11 and the second liquid crystal display module 12 and is positioned on the splice seam 15; the touch control component 14 is disposed on the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13. Through set up touch control subassembly 14 on first liquid crystal display module 11, second liquid crystal display module 12 and display panel 13, touch control subassembly 14 is used for detecting touch control operation to realize the touch control function, improve user's use experience. In addition, through setting up display panel 13 on splice seam 15, display panel 13 sets up on first liquid crystal display module 11 and second liquid crystal display module 12, reduces the width of splice seam 15 between first liquid crystal display module 11 and the second liquid crystal display module 12, can realize that display panel 13, first liquid crystal display module 11 and the comprehensive screen display of second liquid crystal display module 12 show.

Referring to fig. 1-4, fig. 4 is a schematic diagram illustrating a frame of an embodiment of the touch display module of fig. 1 according to some embodiments of the present application. The touch display module 10 of the present embodiment further includes a controller 16, where the controller 16 is respectively connected to the touch assembly 14, the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13, i.e. the controller 16 is respectively electrically connected to the touch assembly 14, the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13.

The touch operation is detected by the touch component 14, that is, an operator performs an operation on the touch display module 10, and the touch operation is detected by the touch component 14, and includes, but is not limited to, clicking, selecting, moving, and the like.

In the case that the touch control module 14 detects a touch control operation, the controller 16 is configured to control the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13 to synchronously display, so as to display a complete picture.

For example, the touch assembly 14 generates touch information when detecting a touch operation, and the controller 16 receives the touch information from the touch assembly 14 and controls the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13 to synchronously display based on the touch information.

Optionally, the controller 16 includes a video processing unit, where the video processing unit is configured to divide the image to be displayed into a first sub-image, a second sub-image, and a third sub-image corresponding to the first liquid crystal display module 11, the second liquid crystal display module 12, and the display panel 13, respectively; the controller 16 controls the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13 to simultaneously display the first sub-image, the second sub-image and the third sub-image, so as to eliminate the visual influence of the splice seam 15, and the touch display module 10 can realize seamless full-screen display.

According to some embodiments of the present application, the touch control device 14 does not detect a touch operation, i.e. the operator does not operate on the touch display module 10.

The touch display module 10 has a preset mode, for example, the preset mode is an energy-saving mode, the touch display module 10 is in the energy-saving mode, and the first liquid crystal display module 11 and the second liquid crystal display module 12 are not displayed, so that the energy consumption of the touch display module 10 is reduced.

In the case that the touch operation is not detected by the touch assembly 14 and the touch display module 10 is in the preset mode, the controller 16 is configured to control the display panel 13 to display the pre-stored information. Because the first liquid crystal display module 11 and the second liquid crystal display module 12 work for a long time and may have abnormal images, the controller 16 of the embodiment is used for controlling the display panel 13 to display pre-stored information, and the display panel 13 is a mini LED display panel, so that the pre-stored information can be displayed for a long time, and the use experience of a user is improved.

For example, the touch display module 10 stores pre-stored information in advance, including but not limited to notification information, slogan information, function menu information, conference information, or the like; when the touch control component 14 does not detect a touch control operation and the touch control display module 10 is in the energy saving mode, the controller 16 is configured to control the display panel 13 to display pre-stored information for a long time and control the first liquid crystal display module 11 and the second liquid crystal display module 12 not to display important information through the display panel 13, so as to remind a user and improve the use experience of the user.

Referring to fig. 1-3, the touch display module 10 of the present embodiment further includes a first cover glass 17 and a second cover glass 18, wherein the first cover glass 17 is disposed on the first lcd module 11, and the second cover glass 18 is disposed on the second lcd module 12.

Wherein the display panel 13 is located between the first cover glass 17 and the second cover glass 18; the thickness of the first cover glass 17, the thickness of the second cover glass 18 and the thickness of the display panel 13 are the same, that is, the surface of the first cover glass 17, the surface of the second cover glass 18 and the surface of the display panel 13 are on the same plane, so that the touch display module 10 can realize seamless full screen display.

Optionally, the display panel 13 includes an LED lamp panel 131 and an optical film 132, where the optical film 132 is disposed on the light emitting surface of the LED lamp panel 131. The optical film 132 includes, but is not limited to, a dual brightness enhancement film and a diffusion sheet, which are all conventional dual brightness enhancement films and diffusion sheets, and are not described herein.

Wherein, the surface of the optical film 132 far from the LED lamp panel 131 is on the same plane with the surface of the first cover glass 17 and the surface of the second cover glass 18.

Referring to fig. 1-3, the first lcd module 11 has a display area AA1, and the second lcd module 12 has a display area AA2.

Wherein, the display panel 13 is partially overlapped with the display area AA1 of the first liquid crystal display module 11; and/or, the display panel 13 is partially overlapped with the display area AA2 of the second liquid crystal display module 12.

Specifically, one side of the display panel 13 partially overlaps the display area AA1 of the first liquid crystal display module 11, and the other side of the display panel 13 partially overlaps the display area AA2 of the second liquid crystal display module 12. Or one side of the display panel 13 is partially overlapped with the display area AA1 of the first liquid crystal display module 11. Or one side of the display panel 13 is partially overlapped with the display area AA2 of the second liquid crystal display module 12.

For example, the display area AA1 of the first liquid crystal display module 11 has a plurality of first sub-pixel units, the display area AA2 of the second liquid crystal display module 12 has a plurality of second sub-pixel units, one side of the display panel 13 overlaps with three first sub-pixel units in the first liquid crystal display module 11, and the other side of the display panel 13 overlaps with three second sub-pixel units in the second liquid crystal display module 12, so that the display panel 13, the first liquid crystal display module 11 and the second liquid crystal display module 12 realize seamless full-screen display, and the display effect of the touch display module 10 is improved.

The display panel 13 of the present embodiment partially overlaps the display area AA1 of the first lcd module 11; and/or, the display panel 13 is partially overlapped with the display area AA2 of the second liquid crystal display module 12, so that the display panel 13, the first liquid crystal display module 11 and the second liquid crystal display module 12 realize seamless full screen display, and the display effect of the touch display module 10 is improved.

Referring to fig. 1-3, the touch control device 14 of the present embodiment includes an infrared emitting device 141 and an infrared receiving device (not shown), and the infrared emitting device 141 and the infrared receiving device are disposed on the display panel 13, the first lcd module 11 and the second lcd module 12.

Wherein, the infrared emission component 141 and the infrared receiving component are respectively arranged at two opposite sides of the touch display module 10; the infrared emitting component 141 is used for emitting infrared rays, the infrared receiving component is used for receiving the infrared rays emitted by the infrared emitting component 141, and the infrared rays are located on the display panel 13, the first liquid crystal display module 11 and the second liquid crystal display module 12.

When an operator performs a touch operation on the touch display module 10, the infrared rays emitted by the infrared emitting component 141 are blocked, and the infrared receiving component cannot receive the infrared rays emitted by the infrared emitting component 141, so as to realize detection of the touch operation.

For example, the infrared emitting component 141 is disposed on one side of the touch display module 10, the infrared receiving component is disposed on the other side of the touch display module, and one side of the touch display module 10 and the other side of the touch display module 10 are disposed opposite to each other.

In other embodiments, the touch control assembly 14 may include two infrared emitting assemblies 141 and two infrared receiving assemblies, wherein the two infrared emitting assemblies 141 are respectively disposed on two adjacent sides of the touch control display module 10, and the two infrared receiving assemblies are respectively disposed on other two sides of the touch control display module 10.

The touch control assembly 14 of the embodiment includes an infrared emission assembly 141 and an infrared receiving assembly, wherein the infrared emission assembly 141 and the infrared receiving assembly are respectively disposed on two opposite sides of the touch control display module 10, and the touch control display module is simple in structure, low in cost and easy to install.

Referring to fig. 1-3, the touch display module 10 of the present embodiment further includes a frame 151 and a back frame 152, wherein the frame 151 is disposed on the back frame 152, i.e. the frame 151 is fixed on the back frame 152.

The infrared emission component 141 includes an infrared light bar 142 and an optical filter 143, the infrared light bar 142 is used for generating infrared rays, and the optical filter 143 is located in a transmission direction of the infrared rays.

Wherein, infrared light bar 142 and light filter 143 are installed in frame 151. Specifically, the frame 151 and the back frame 152 form an accommodating space, so that the infrared light bar 142 is installed in the accommodating space; the optical filter 143 is mounted at one end of the frame 151 near the display panel 13, and infrared rays generated by the infrared light bars 142 are emitted through the optical filter 143.

The touch display module 10 of the embodiment further includes a frame 151 and a back frame 152, the frame 151 is disposed on the back frame 152, the infrared light bar 142 and the optical filter 143 are mounted on the frame 151, the structure is simple, the cost is reduced, and the installation is easy.

Referring to fig. 1-3, the touch display module 10 of the present embodiment further includes a front frame 153, a supporting member 154 and a back plate 155.

The front frame 153 is disposed on the back frame 152, and the front frame 153 is disposed adjacent to the frame 151. The supporting member 154 is fixed between the back frame 152 and the front frame 153, and the back plate 155 is mounted on a side of the supporting member 154 remote from the display panel 13. That is, the supporting member 154 is disposed on the back frame 152, and then the front frame 153 is disposed on the front frame 153.

The display panel 13 is positioned between the front frame 153 and the bezel 151, facilitating installation and disassembly maintenance of the display panel 13.

The application also provides a display device, which comprises the touch display module 10 disclosed in the embodiment. The display device of the present embodiment includes, but is not limited to, a television, a movie screen, an outdoor screen, an advertisement screen, a television wall, and the like.

The application also provides an integrated machine, which comprises the touch display module 10 disclosed by the embodiment, wherein the touch display module 10 is used for playing corresponding contents, and a user can perform touch operation with the touch display module 10 to realize interaction.

Optionally, the integrated machine may further include an audio module, where the audio module may be used to collect voice information of the user or play corresponding audio.

The touch display module 10 of the present application includes a first liquid crystal display module 11, a second liquid crystal display module 12, a display panel 13 and a touch component 14; the first liquid crystal display module 11 and the second liquid crystal display module 12 are adjacently arranged, and the display panel 13 is arranged on the first liquid crystal display module 11 and the second liquid crystal display module 12 and is positioned on the splice seam 15; the touch control component 14 is disposed on the first liquid crystal display module 11, the second liquid crystal display module 12 and the display panel 13. Through set up touch control subassembly 14 on first liquid crystal display module 11, second liquid crystal display module 12 and display panel 13, touch control subassembly 14 is used for detecting touch control operation to realize the touch control function, improve user's use experience. In addition, through setting up display panel 13 on splice seam 15, display panel 13 sets up on first liquid crystal display module 11 and second liquid crystal display module 12, reduces the width of splice seam 15 between first liquid crystal display module 11 and the second liquid crystal display module 12, can realize that display panel 13, first liquid crystal display module 11 and the comprehensive screen display of second liquid crystal display module 12 show.

The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application or directly or indirectly applied to other related technical fields are included in the scope of the present application.

Claims (10)

1. The utility model provides a touch-control display module assembly which characterized in that includes:

The liquid crystal display device comprises a first liquid crystal display module and a second liquid crystal display module, wherein the first liquid crystal display module and the second liquid crystal display module are adjacently arranged, and a splicing seam is formed between the first liquid crystal display module and the second liquid crystal display module;

The display panel is arranged on the first liquid crystal display module and the second liquid crystal display module and is positioned on the splicing seam;

The touch control assembly is arranged on the first liquid crystal display module, the second liquid crystal display module and the display panel and is used for detecting touch control operation on at least one of the first liquid crystal display module, the second liquid crystal display module and the display panel.

2. The touch display module of claim 1, further comprising a controller, wherein the controller is respectively connected to the touch assembly, the first liquid crystal display module, the second liquid crystal display module, and the display panel, wherein the touch assembly detects a touch operation, and the controller is configured to control the first liquid crystal display module, the second liquid crystal display module, and the display panel to display synchronously.

3. The touch display module of claim 2, wherein the touch assembly does not detect a touch operation, and the touch display module is in a preset mode, and the controller is configured to control the display panel to display pre-stored information.

4. The touch display module of any one of claims 1-3, wherein the touch assembly further comprises a first cover glass and a second cover glass, the first cover glass is disposed on the first liquid crystal display module, the second cover glass is disposed on the second liquid crystal display module, and the display panel is located between the first cover glass and the second cover glass; the thickness of the first cover glass, the thickness of the second cover glass and the thickness of the display panel are the same.

5. The touch display module of claim 4, wherein the display panel partially overlaps a display area of the first liquid crystal display module; and/or the display panel is partially overlapped with the display area of the second liquid crystal display module.

6. The touch display module of claim 4, wherein the touch assembly comprises an infrared emission assembly and an infrared receiving assembly, the infrared emission assembly and the infrared receiving assembly are disposed on the display panel, the first cover glass and the second cover glass, and the infrared emission assembly and the infrared receiving assembly are disposed on two opposite sides of the touch display module, respectively.

7. The touch display module of claim 6, further comprising a bezel and a back frame, the bezel being disposed on the back frame; the infrared emission component comprises an infrared lamp bar and an optical filter, the infrared lamp bar and the optical filter are installed on the frame, the infrared lamp bar is used for generating infrared rays, the optical filter is located in the transmission direction of the infrared rays, and the optical filter is located on the display panel, the first cover plate glass and the second cover plate glass.

8. The touch display module of claim 7, further comprising:

The front frame is arranged on the back frame and is adjacent to the frame, and the display panel is positioned between the front frame and the frame;

a support fixed between the back frame and the front frame;

and the backboard is arranged on one side, far away from the display panel, of the supporting piece.

9. A display device comprising a touch display module according to any one of claims 1-8.

10. An all-in-one machine comprising the display device according to claim 9.