CN216352250U - Infrared touch display device - Google Patents
Infrared touch display device Download PDFInfo
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- CN216352250U CN216352250U CN202122309742.0U CN202122309742U CN216352250U CN 216352250 U CN216352250 U CN 216352250U CN 202122309742 U CN202122309742 U CN 202122309742U CN 216352250 U CN216352250 U CN 216352250U
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Abstract
The application provides an infrared touch display device, including showing main part and infrared touch unit, infrared touch unit includes the protecgulum part, control circuit board and electric connector. The front shell part comprises a front shell and a driving circuit board fixed on the front shell. The front shell is detachably arranged on the display main body. The driving circuit board is provided with a touch control light bar and a driving circuit used for driving the touch control light bar. The control circuit board is detachably arranged on the display main body. The control circuit board is detachably arranged on the display main body. The control circuit board is provided with a control circuit for controlling the touch control light bar. The electric connector is electrically connected between the driving circuit and the control circuit and used for realizing signal transmission between the driving circuit and the control circuit. The front shell part or the control circuit board can be directly detached from the display main body without disassembling the display main body, so that the infrared touch unit can be easily maintained and replaced.
Description
Technical Field
The application relates to the technical field of infrared touch display, in particular to an infrared touch display device.
Background
In large-size touch whiteboard applications, the infrared touch technology is currently the mainstream technology of touch whiteboard applications due to its advantage of lower cost. In the using process of the infrared touch display device, an infrared touch unit used for realizing touch operation is easy to damage, and the infrared touch unit needs to be periodically overhauled and replaced. However, in the currently commonly used infrared touch display device, the whole infrared touch display device needs to be disassembled to remove the damaged part of the infrared touch unit, and thus, the maintenance convenience of the infrared touch display device is not high.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an infrared touch display device capable of improving maintenance convenience.
In a first aspect, the present application provides an infrared touch display device, including a display main body and an infrared touch unit, where the infrared touch unit includes a front case member, a control circuit board, and an electrical connector; the front shell part comprises a front shell and a driving circuit board fixed on the front shell, the front shell is detachably arranged on the display main body, and the driving circuit board is provided with a touch control light bar and a driving circuit used for driving the touch control light bar; the control circuit board is detachably arranged on the display main body, the control circuit board is provided with the control circuit for controlling the touch control light bar, and the electric connecting piece is electrically connected between the driving circuit and the control circuit and used for realizing signal transmission between the driving circuit and the control circuit.
The touch control circuit is separated according to functions, a driving circuit of the touch control circuit is arranged on a driving circuit board, a control circuit of the touch control circuit is arranged on a control circuit board, and the driving circuit board and the front shell are fixed to form a whole. The front case is detachably coupled with the display main body. The electric connector for realizing signal transmission between the driving circuit and the control circuit is connected with the control circuit board. When the driving circuit board is in a bad state, such as a fault of a touch control light bar or a fault of a driving circuit on the driving circuit board, the front shell part can be detached from the display main body for replacement. When the control circuit of control circuit board takes place badly, demolish control circuit board and change, so, need not disassemble the display subject, can easily maintain infrared touch display device, improved infrared touch display device's maintenance convenience, also made things convenient for infrared touch display device's equipment convenience to infrared touch display device is at the risk of disassembling the in-process quilt damage.
According to a first aspect, in a first possible implementation manner of the first aspect of the present application, the display main body includes a rear shell and a display module fixed to the rear shell, the front shell is detachably connected to the rear shell, and the control circuit board is detachably disposed on the rear shell. Therefore, when the infrared touch control unit is maintained or replaced, only the front shell and the rear shell need to be detached, or the control circuit board and the rear shell are detached, so that the display module is unaffected, and the infrared touch control display device is convenient to maintain.
According to the first aspect or the first possible implementation manner of the first aspect of the present application, in the second possible implementation manner of the first aspect of the present application, the rear case includes a through hole penetrating through the rear case, the front case, the rear case and the control circuit board are sequentially stacked, and the electrical connection member is penetrated through the through hole.
The control circuit board is arranged on the back side of the infrared touch display device, which deviates from the touch control side. When the control circuit board is damaged or fails, the front shell part and the display main body of the infrared touch display device do not need to be disassembled, and the control circuit board is directly disassembled from the rear shell, so that the control circuit board is convenient to replace and maintain.
According to the first aspect or the first to the second possible implementation manners of the first aspect of the present application, in a third possible implementation manner of the first aspect of the present application, the infrared touch unit further includes a protective cover, the protective cover is detachably disposed on the rear case, and the control circuit board is accommodated in the protective cover.
The control circuit board is provided with a protective cover for shielding and protecting, and the service life of the control circuit board is effectively prolonged.
According to the first aspect or the first to third possible implementation manners of the first aspect of the present application, in a fourth possible implementation manner of the first aspect of the present application, the front case, the control circuit board, and the rear case are stacked.
Because the control circuit board is arranged in the rear shell, if the control circuit board needs to be replaced, the drive circuit board needs to be pulled out first, and then the control circuit board is disassembled. The control circuit board can be properly avoided to avoid interference with other structural components. Because the control circuit board is arranged in the rear shell, the utilization rate of the inner space of the rear shell is improved. Because the infrared touch display device omits a protective cover, the thickness of the thinnest part of the infrared touch display device is reduced, and the thin design is realized.
According to the first aspect or the first to fourth possible implementation manners of the first aspect of the present application, in a fifth possible implementation manner of the first aspect of the present application, the display module includes a light-transmitting cover plate, a display device, and a supporting member, the light-transmitting cover plate and the display device are stacked, the display device is at least partially accommodated in the rear housing, and the light-transmitting cover plate is fixedly connected to the rear housing through the supporting member.
The light-transmitting cover plate is directly fixedly connected with the rear shell through the supporting piece and is not influenced by other structural parts, the inner concave amount of the light-transmitting cover plate can be controlled by controlling the deformation direction and the deformation amount of the rear shell, and the touch failure risk caused by the outward protrusion of the light-transmitting cover plate is reduced.
According to the first aspect or the first to fifth possible implementation manners of the first aspect of the present application, in a sixth possible implementation manner of the first aspect of the present application, the rear case includes a first connection portion, a second connection portion, and a third connection portion, the first connection portion and the second connection portion are connected in a bending manner and enclose a containing cavity, the third connection portion encloses an containing cavity, at least a portion of the display module is contained in the containing cavity, at least a portion of the front case is contained in the containing cavity, and the front case is detachably connected with the first connection portion and/or the second connection portion. The front shell is at least partially accommodated in the accommodating cavity, so that the utilization rate of the internal space of the rear shell is improved.
According to the first aspect or the first to sixth possible implementation manners of the first aspect of the present application, in a seventh possible implementation manner of the first aspect of the present application, a positioning portion is concavely disposed on a surface of the front shell facing the control circuit board, and the first connecting portion abuts against an inner wall of the positioning portion. The positioning part is used for positioning when the front shell and the rear shell are assembled together, so that the assembly of the front shell and the rear shell is facilitated.
According to the first aspect or the first to seventh possible implementation manners of the first aspect of the present application, in an eighth possible implementation manner of the first aspect of the present application, the electrical connector includes a board-to-board connector, the electrical connector includes a male socket and a female socket, one of the male socket and the female socket is provided on the driving circuit board, and the other of the male socket and the female socket is provided on the control circuit board, so as to facilitate assembly between the electrical connector and the control circuit board.
According to the first aspect or the first to eighth possible implementation manners of the first aspect of the present application, in a ninth possible implementation manner of the first aspect of the present application, the front case part further includes a filter bar fixed on the front case, and the filter bar is located at an outermost side of the infrared touch display device; light emitted by the touch control light bar is emergent after being filtered by the light filtering strip, or the light filtered by the light filtering strip is incident to the touch control light bar, so that the accuracy of infrared touch control of the infrared touch control display device is improved.
According to the first aspect or the first to ninth possible implementation manners of the first aspect of the present application, in a tenth possible implementation manner of the first aspect of the present application, the front housing is provided with an accommodating groove penetrating through the front housing, the accommodating groove includes a first opening and a second opening, the first opening is disposed on a surface of the front housing facing the control circuit board, the touch control light bar is accommodated in the accommodating groove, the light filtering strip is located at the second opening, and light emitted by the touch control light bar can exit from the second opening and reach the light filtering strip.
The accommodating groove is convenient for assembling the driving circuit board while effectively protecting the driving circuit board. Because the light filtering strip is located at the second opening, the purity of infrared light emitted by the touch control light bar is improved, or the purity of infrared light with preset wavelength arranged on the touch control light bar is improved, and the accuracy of infrared touch control is improved.
Drawings
Fig. 1 is a schematic partial cross-sectional view of an infrared touch display device according to a first embodiment of the present disclosure;
fig. 2 is a schematic partial cross-sectional view of an infrared touch display device according to a second embodiment of the present disclosure;
fig. 3 is a schematic partial cross-sectional view of an infrared touch display device according to a third embodiment of the present disclosure.
Detailed Description
In the current infrared touch display device that comparatively commonly uses, infrared touch unit includes touch lamp strip, light filtering strip, four bar structures, four corners adaptor, cover plate glass and gland board support. During the use of the infrared touch display device, the touch control operation touch control light bar is easy to damage, and the touch control light bar needs to be periodically overhauled and replaced. However, if the touch control light bar needs to be replaced, the infrared touch control unit and the whole system need to be decomposed, the gland plate support and the four-corner adapter are sequentially detached, the strip-shaped structural member is separated, and the damaged touch control light bar can be removed at last.
Based on this, the application provides an infrared touch display device, which comprises a display main body and an infrared touch unit, wherein the infrared touch unit comprises a front shell part, a control circuit board and an electric connector; the front shell part comprises a front shell and a driving circuit board fixed on the front shell, the front shell is detachably arranged on the display main body, and the driving circuit board is provided with a touch control light bar and a driving circuit used for driving the touch control light bar; the control circuit board is detachably arranged on the display main body, the control circuit board is provided with the control circuit for controlling the touch control light bar, and the electric connecting piece is electrically connected between the driving circuit and the control circuit and used for realizing signal transmission between the driving circuit and the control circuit.
The infrared touch display device is further described below based on the detailed description and the accompanying drawings.
Referring to fig. 1, a first embodiment of the present application provides an infrared touch display device 100 for implementing infrared touch display. The infrared touch display device 100 may be used for classroom teaching, conference use, and the like.
The infrared touch display device 100 includes an infrared touch unit 60 and a display main body 80. The display main body 80 is used to display an image. The infrared touch unit 60 is used for infrared touch operation.
The infrared touch unit 60 includes a front case member 62, a control circuit board 64, and electrical connectors (board connectors) 67. The front case member 62 includes a front case 622 and a drive circuit board 624 fixed to the front case 622. The front case 622 is detachably mounted on the display main body 80 for hiding and mounting a side portion of the display main body 80. The driving circuit board 624 is provided with a touch control light bar 6244 and a driving circuit for driving the touch control light bar 6244. The control circuit board 64 is detachably disposed on the display main body 80. The control circuit board 64 is provided with a control circuit for controlling the touch control light bar 6244. The electric connector 67 is electrically connected between the driving circuit and the control circuit, and is used for realizing signal transmission between the driving circuit and the control circuit.
The touch circuit of the touch light bar 6244 is separated according to functions, the driving circuit of the touch circuit is disposed on the driving circuit board 624, and the control circuit of the touch light bar 6244 is disposed on the control circuit board 64, so that the infrared touch unit 60 and the display main body 80 are relatively independent, and the purpose of quickly and conveniently disassembling the infrared touch unit 60 is achieved. The driving circuit board 624 is fixed to the front case 622 as a single body. The front case 622 is detachably coupled with the display main body 80. An electric connection member 67 for realizing signal transmission between the drive circuit and the control circuit is connected to the control circuit board 64. When the driving circuit board 624 is defective, such as a failure of the touch light bar 6244 or a failure of the driving circuit on the driving circuit board 624, the front housing part 62 can be removed from the display main body 80. When the control circuit of the control circuit board 64 is defective, the control circuit board 64 is removed, so that the infrared touch display device 100 can be easily maintained without disassembling the display main body 80, the maintenance convenience of the infrared touch display device 100 is improved, the assembly convenience of the infrared touch display device 100 is also facilitated, and the risk that the infrared touch display device 100 is damaged in the disassembling process is reduced.
The side of the infrared touch display device 100 capable of infrared touch operation is referred to as a touch manipulation side. In this embodiment, the front case 622 is formed by an aluminum extrusion process. It is understood that the material and the manufacturing process of the front case 622 are not limited in the present application. The touch control light bar 6244 is used for emitting infrared light or absorbing infrared light. In other words, the touch light bar 6244 may be an infrared absorption light bar or an infrared emission light bar. The front case 622 and the control circuit board 64 are arranged in a first direction. For example, the front case 622 is shaped like a frame, the front case 622 further includes a first frame strip and a second frame strip that are disposed oppositely along a second direction, the second direction is different from the first direction, and when the infrared emission strip is disposed in the first frame strip, the infrared absorption strip is correspondingly disposed in the second frame strip, so that a two-dimensional infrared optical fiber array is formed on the touch control side of the infrared touch display device 100, and the infrared touch control operation is completed.
The electrical connectors 67 include board-to-board connectors (board connectors) including male sockets 671 and female sockets 673. In the embodiment of the present application, the female socket 673 is disposed on the driving circuit board 624 and electrically connected to the driving circuit board 624, and the male socket 671 is disposed on the control circuit board 64 and electrically connected to the control circuit board 64. The female seat 673 may be fixed to the driving circuit board 624, and the male seat 671 may be fixed to the control circuit board 64. In other embodiments, the female socket 673 may be pluggable to the drive circuit board 624 to enable a pluggable connection of the electrical connector 67 to the drive circuit board 624. The male seat 671 and the control circuit board 64 are connected in a pluggable manner, so that the electrical connector 67 and the control circuit board 64 are connected in a pluggable manner. The female block 673 is electrically connected to the control circuit board 64. It will be appreciated that one of the male 671 and female 673 seats is disposed on the drive circuit board 624 for electrically connecting the electrical connector 67 to the drive circuit board 624 and the other of the male 671 and female 673 seats is disposed on the control circuit board 64 for electrically connecting the electrical connector 67 to the control circuit board 624. It is understood that the electrical connector 67 is not limited to including a board-to-board connector, and that the electrical connector 67 may be other types of electrical connectors.
The infrared touch unit 60 further includes a filter bar 68 fixed on the front case 622. The light filter bar 68 is located on the touch manipulation side of the infrared touch display device 100. Light emitted by the touch bar 6244 is filtered by the filtering light bars 68 and then emitted, or the light filtered by the filtering light bars 68 can be incident on the touch bar 6244. The light filter bar 68 can enable only infrared light with a preset wavelength to be emitted after the light emitted by the touch light bar 6244 passes through the light filter bar 68, or enable only infrared light with a preset wavelength to be emitted onto the touch light bar 6244 after the external light is filtered by the light filter bar 68.
The display main body 80 is a display backlight system. The display main body 80 includes a rear case 82 and a display module 84 fixed to the rear case 82. The front shell 622 is removably connected to the rear shell 82. The rear housing 82 is also provided with a through hole 823. The electrical connector 67 is disposed through the through hole 823. The control circuit board 64 is detachably provided on a side of the rear case 82 facing away from the front case 622. The front casing 622, the rear casing 82 and the control circuit board 64 are sequentially stacked, that is, the rear casing 82 is sandwiched between the front casing 622 and the control circuit board 64. In other words, the control circuit board 64 is disposed on the back side of the infrared touch display device 100 away from the touch control side. When the control circuit board 64 is damaged or fails, the front case member 62 and the display main body 80 of the infrared touch display device 100 do not need to be disassembled, and the control circuit board 64 is directly disassembled and separated from the electric connecting member 67, so that the control circuit board 64 is convenient to replace and maintain.
The rear case 82 further includes a first connection portion 825, a second connection portion 826, and a third connection portion 827 that are connected. The first connecting portion 825 and the second connecting portion 826 are connected in a bending manner to form a receiving cavity 820. The front shell 622 is at least partially received within the receiving cavity 820. In this embodiment, the first connection portion 825 and the second connection portion 826 are bent and connected to form a structure having a substantially L-shape, the first connection portion 825 extends along a first direction, and the second connection portion 826 extends along a second direction.
A positioning portion 6229 is recessed in a surface of the front case 622 facing the control circuit board 64. The first connecting portion 825 abuts against the positioning portion 6229. The positioning portion 6229 is used for positioning when the front case 622 and the rear case 82 are assembled together, facilitating the assembly of the two. The front case 622 is detachably connected to the second connection portion 826. In this embodiment, the front case 622 is connected to the rear case 82 by screws, which facilitates disassembly without affecting the appearance of the display surface and the side surface of the display main body 80. The third connection portion 827 has a bent structure. The third connecting portion 827 forms a receiving cavity 821 for receiving the display module 84 and other functional devices. It is understood that the front case 622 is detachably connected to the first connection portion 825 and/or the second connection portion 826.
The infrared touch display device 100 can directly replace the infrared touch unit 60 in a vertical state, for example, when the rear housing 82 is mounted on a movable bracket (not shown) or a wall (not shown), and does not depend on a large work table for lying down.
It is to be understood that the structure of the front housing 622 is not limited in the present application, and the front housing 622 may also be detachably connected to the display module 84.
The display module 84 includes a transparent cover 842, a display device 844 and a support 845. The light-transmissive cover 842 is stacked with the display device 844. In this embodiment, the transparent cover 842 is a glass cover. The display device 844 is at least partially received in the receiving cavity 821 of the rear housing 82. The light-transmissive cover 842 is used to protect the display device 844. The display device 844 is used to realize a display function of the display main body 84. The transparent cover 842 is fixedly connected to the second connecting portion 826 of the rear case 82 through the supporting member 845. The light filter bar 68 is in contact with a side of the light transmissive cover 842 facing away from the display device 844.
The transparent cover plate 842 is directly fixedly connected with the rear shell 82 through the supporting piece 845, the influence of other structural parts is avoided, the inward concave amount of the transparent cover plate 842 can be controlled by controlling the deformation direction and the deformation amount of the rear shell 82, and the touch failure risk caused by the outward protrusion of the transparent cover plate 842 is reduced. The infrared touch unit 60 and the transparent cover 842 and the display device 844 in the display module 84 have no complex assembly relationship, so that the risk of damage to the display module 84 in the process of disassembling the infrared touch unit 60 is reduced.
The display body 84 further includes a first adhesive layer 846 and a second adhesive layer 849. The display device 844 is fixed on the transparent cover 842 by the first adhesive layer 846 and is at least partially received in the receiving cavity 821. In this embodiment, the first adhesive layer 846 is an Optical Clear Adhesive (OCA). The supporting member 845 is fixed to the edge area of the light-transmitting cover 842 by the second adhesive layer 849. The second adhesive layer 849 may be a glue layer or a foam glue layer. The display main body 84 further includes a display region 8400 and a non-display region 8401. The display area 8400 is for displaying an image. The second adhesive layer 849 is disposed corresponding to the non-display area 8401 of the display main body 84, and prevents interference with the display of the display main body 84.
The infrared touch display device 100 further includes a protective cover 90, the protective cover 90 is detachably disposed on the rear housing 82, and the control circuit board 64 is accommodated in the protective cover 90. The control circuit board 64 is shielded and protected by the protective cover 90, so that the service life of the control circuit board 64 is effectively prolonged. When the control circuit board 64 is replaced, the protective cover 90 is removed. It is to be understood that the present application is not limited to the manner in which the protective cover 90 is detachably disposed on the rear housing 82, for example, the protective cover 90 is connected to the rear housing 82 by a snap or screw connection.
Referring to fig. 2, the infrared touch display device 100 according to the second embodiment of the present disclosure has a structure substantially similar to that of the infrared touch display device according to the first embodiment, except that the front housing 622 has a receiving slot 6226 penetrating through the front housing 622. The receiving slot 6226 includes a first opening 6227 and a second opening 6228. The touch bar 6244 is received in the receiving groove 6226. The first opening 6227 is provided on a surface of the front case 622 facing the control circuit board 64. The second opening 6228 is disposed near the touch manipulation side. The front case 622 is further provided with a receiving groove 6226, the driving circuit board 624 is fixedly received in the receiving groove 6226, and the receiving groove 6226 effectively protects the driving circuit board 624 and facilitates assembly of the driving circuit board 624. The touch bar 6244 is disposed near the second opening 6228 of the receiving groove 6226, so that the light emitted from the touch bar 6244 exits from the second opening 6228, or the light entering from the second opening 6228 can enter the touch bar 6244. Since the driving circuit board 624 is fixedly accommodated in the accommodating groove 6226, the driving circuit board 624 can be protected, and the service life of the driving circuit board 624 can be prolonged. The filter bar 68 is located at the second opening 6228. Since the light-filtering strip 68 is located in the second opening 6228, the purity of the infrared light emitted from the touch bar 6244 is improved, or the purity of the infrared light with a preset wavelength set on the touch bar 6244 is improved, so as to improve the accuracy of infrared touch control.
Referring to fig. 3, an infrared touch display device 100 provided in the third embodiment of the present application has a structure substantially similar to that of the infrared touch display device provided in the first embodiment, except that a front case 622, a control circuit board 64 and a rear case 82 are stacked. The control circuit board 64 is housed in the rear case 82.
Since the control circuit board 64 is disposed inside the rear case 82, if the control circuit board 64 needs to be replaced, the driving circuit board 624 needs to be removed first, and then the control circuit board 64 needs to be disassembled. The control circuit board 64 may be appropriately positioned to avoid interference with other structural components. Since the control circuit board 64 is disposed inside the rear case 82, the utilization of the internal space of the rear case 82 is improved. Since the infrared touch display device 100 can omit the protective cover, the thickness of the thinnest portion of the infrared touch display device 100 is reduced, and the thin design is realized.
It should be understood that expressions such as "include" and "may include" that may be used in the present application indicate the presence of the disclosed functions, operations, or constituent elements, and do not limit one or more additional functions, operations, and constituent elements. In the present application, terms such as "including" and/or "having" may be interpreted as indicating specific characteristics, numbers, operations, constituent elements, components, or combinations thereof, but may not be interpreted as excluding the existence or addition possibility of one or more other characteristics, numbers, operations, constituent elements, components, or combinations thereof.
Further, in this application, the expression "and/or" includes any and all combinations of the associated listed words. For example, the expression "a and/or B" may include a, may include B, or may include both a and B.
In the present application, expressions including ordinal numbers such as "first" and "second" and the like may modify the respective elements. However, such elements are not limited by the above expression. For example, the above description does not limit the order and/or importance of the elements. The above expressions are only used to distinguish one element from another. For example, the first user equipment and the second user equipment indicate different user equipments, although both the first user equipment and the second user equipment are user equipments. Similarly, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application.
When a component is referred to as being "connected" or "accessed" to other components, it should be understood that: not only does the component connect or tap directly to other components, but there may be another component between the component and the other components. On the other hand, when components are referred to as being "directly connected" or "directly accessing" other components, it is understood that no components exist therebetween.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (11)
1. An infrared touch display device is characterized by comprising a display main body and an infrared touch unit, wherein the infrared touch unit comprises a front shell part, a control circuit board and an electric connector; the front shell part comprises a front shell and a driving circuit board fixed on the front shell, the front shell is detachably arranged on the display main body, and the driving circuit board is provided with a touch control light bar and a driving circuit used for driving the touch control light bar; the control circuit board is detachably arranged on the display main body, the control circuit board is provided with the control circuit for controlling the touch control light bar, and the electric connecting piece is electrically connected between the driving circuit and the control circuit and used for realizing signal transmission between the driving circuit and the control circuit.
2. The infrared touch display device of claim 1, wherein the display main body comprises a rear shell and a display module fixed to the rear shell, the front shell is detachably connected to the rear shell, and the control circuit board is detachably disposed on the rear shell.
3. The infrared touch display device of claim 2, wherein the rear housing includes a through hole penetrating through the rear housing, the front housing, the rear housing, and the control circuit board are sequentially stacked, and the electrical connector is inserted into the through hole.
4. The infrared touch display device of claim 3, wherein the infrared touch unit further comprises a protective cover, the protective cover is detachably disposed on the rear housing, and the control circuit board is accommodated in the protective cover.
5. The infrared touch display device of claim 2, wherein the front shell, the control circuit board, and the rear shell are stacked.
6. The infrared touch display device of claim 2, wherein the display module comprises a transparent cover plate, a display device, and a support member, the transparent cover plate and the display device are stacked, at least a portion of the display device is accommodated in the rear housing, and the transparent cover plate is fixedly connected to the rear housing through the support member.
7. The infrared touch display device of claim 2, wherein the rear housing comprises a first connecting portion, a second connecting portion and a third connecting portion, the first connecting portion and the second connecting portion are connected and bent to form a containing cavity, the third connecting portion forms a containing cavity, the display module is at least partially contained in the containing cavity, the front housing is at least partially contained in the containing cavity, and the front housing is detachably connected with the first connecting portion and/or the second connecting portion.
8. The infrared touch display device of claim 7, wherein a positioning portion is concavely disposed on a surface of the front housing facing the control circuit board, and the first connecting portion abuts against an inner wall of the positioning portion.
9. The infrared touch display device of claim 1, wherein the electrical connector comprises a board-to-board connector, the board-to-board connector comprising a male socket and a female socket, one of the male socket and the female socket being disposed on the driving circuit board, the other of the male socket and the female socket being disposed on the control circuit board.
10. The infrared touch display device of claim 1, wherein the front housing part further comprises a light filter strip fixed on the front housing, the light filter strip being located on an outermost side of the infrared touch display device; light emitted by the touch control light bar is emergent after being filtered by the light filtering strip, or the light filtered by the light filtering strip is incident to the touch control light bar.
11. The infrared touch display device as recited in claim 10, wherein the front housing has an accommodating groove penetrating through the front housing, the accommodating groove includes a first opening and a second opening, the first opening is disposed on a surface of the front housing facing the control circuit board, the touch light bar is accommodated in the accommodating groove, the light filter bar is disposed at the second opening, and light emitted from the touch light bar can exit from the second opening and reach the light filter bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122309742.0U CN216352250U (en) | 2021-09-23 | 2021-09-23 | Infrared touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122309742.0U CN216352250U (en) | 2021-09-23 | 2021-09-23 | Infrared touch display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216352250U true CN216352250U (en) | 2022-04-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122309742.0U Active CN216352250U (en) | 2021-09-23 | 2021-09-23 | Infrared touch display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216352250U (en) |
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2021
- 2021-09-23 CN CN202122309742.0U patent/CN216352250U/en active Active
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