CN220399858U - Display screen module and electronic equipment of integrated NFC - Google Patents
Display screen module and electronic equipment of integrated NFC Download PDFInfo
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- CN220399858U CN220399858U CN202322352000.5U CN202322352000U CN220399858U CN 220399858 U CN220399858 U CN 220399858U CN 202322352000 U CN202322352000 U CN 202322352000U CN 220399858 U CN220399858 U CN 220399858U
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Abstract
The utility model belongs to the field of electronic equipment, and discloses an NFC integrated display screen module and electronic equipment, wherein the NFC integrated display screen module comprises a backlight plate, a display module, a glass cover plate and an NFC antenna, and an opening is arranged on the backlight plate; the display module is arranged above the backlight plate in a stacking way; the glass cover plate is covered on one side of the display module, which is far away from the backlight plate; the NFC antenna comprises a substrate and a coil, wherein the substrate comprises a first substrate and a second substrate connected with the first substrate, one part of the coil is arranged on the first substrate, the other part of the coil is arranged on the second substrate, the first substrate is arranged on one side, far away from the display module, of the backlight plate and is opposite to the opening, and the second substrate is positioned on the outer side face of the display module, and the end part of the second substrate is close to the back face of the glass cover plate. The utility model not only can realize the front card swiping, but also can lead the NFC field intensity to reach the authentication requirement under the condition of not increasing the shading area of the glass cover plate.
Description
Technical Field
The present utility model relates to the field of electronic devices, and in particular, to a display screen module integrated with NFC and an electronic device.
Background
Along with the continuous development of technology, the functions of various electronic products are more and more abundant. Various handheld cashing devices are increasingly introduced into product design by virtue of the universality, the convenience of use of users and the like of design schemes of carrying a display panel and an NFC (NearField Communication, wireless near field communication) card swiping function.
The NFC coils of the existing handheld cashier equipment are basically positioned at the rear shell of the whole machine, and the design scheme has the following problems: 1. when NFC is scanned, the whole machine needs to be lifted up to place the card behind the equipment for scanning, and for a handheld POS machine provided with a printing head, the weight is large, the card swiping position is lower, and the use is inconvenient. 2. For a handheld device with a metal shell, the NFC antenna is almost completely shielded in the metal back shell, high-frequency signals cannot be radiated effectively, and NFC performance is greatly compromised. 3. The back is because the existence of devices such as camera module, probably leads to NFC coil area limited, and the position is not centered, leads to radiation environment abominable. Accordingly, improvements to existing NFC electronic devices are needed.
Disclosure of Invention
The utility model aims to provide a display screen module integrated with NFC and electronic equipment, which not only can realize front card swiping, but also can enable NFC field intensity to meet authentication requirements under the condition of not increasing a shading area of a glass cover plate.
The technical scheme provided by the utility model is as follows:
in one aspect, a display screen module integrating NFC is provided, including:
the backlight plate is provided with an opening;
the display module is arranged above the backlight plate in a stacking way;
the glass cover plate is covered on one side of the display module, which is far away from the backlight plate;
NFC antenna, including base member and coil, the base member include first base member and with the second base member that first base member is connected, a part of coil set up in on the first base member, another part of coil set up in on the second base member, the first base member set up in the back of light plate keep away from one side of display module assembly just right the trompil sets up, the second base member is located the lateral surface of display module assembly and tip are close to the back of glass apron.
In some embodiments, the aperture is disposed proximate to one vertex angle of the backlight plate;
at least one edge of the first substrate close to the edge of the backlight plate is bent towards one side close to the backlight plate to form the second substrate.
In some embodiments, the coil is a closed coil, the coil being routed along an edge of the substrate;
the number of the second matrixes is two, and the two second matrixes are respectively positioned on two adjacent outer side surfaces of the display module.
In some embodiments, the coil is a non-closed coil;
the number of the second substrates is two, one ends of the two second substrates, which are far away from the first substrate, are respectively bent towards one side, which is far away from the display module, of the second substrates to form a bonding pad area, and each bonding pad area is respectively provided with at least one bonding pad;
NFC wiring layer has been plated to the back of glass apron, NFC wiring layer is located the display module assembly outside, the coil pass through the pad with NFC wiring layer intercommunication makes the coil with NFC wiring layer forms the return circuit.
In some embodiments, each pad area is provided with two pads, the number of the NFC routing layers is two, and the two NFC routing layers are arranged in parallel.
In some embodiments, the NFC antenna further comprises a shielding layer, where the shielding layer is disposed on a side of the first substrate away from the backlight plate.
On the other hand, still provide an electronic equipment, including preceding shell and the display screen module of integrated NFC of arbitrary embodiment of above-mentioned, integrated NFC's display screen module set up in preceding shell.
In some embodiments, the front shell includes a bottom panel and side panels surrounding the bottom panel;
the display module is arranged in an accommodating space formed by surrounding the side plates, the glass cover plate is arranged on the accommodating space, and the back surface of the first substrate is fixed on the bottom plate.
In some embodiments, at least a portion of the second substrate is disposed in a gap between an outer sidewall of the display module and an inner wall of the side plate, and a region of the side plate corresponding to the second substrate is made of a non-metal material.
In some embodiments, the pad area of the second substrate is located in a gap between the glass cover plate and the side plate, the front surface of the pad area is abutted against the back surface of the glass cover plate, and foam is arranged between the back surface of the pad area and the front shell.
The utility model has the technical effects that: the NFC antenna is arranged on the back surface of the backlight plate, and the opening is formed in the backlight plate, and the second substrate of the NFC antenna extends to the outer side surface of the display module and is close to the glass cover plate, so that the interference of the backlight plate to the NFC antenna can be avoided, the interference of the display module to the NFC antenna can be reduced, the front card swiping of the display screen module can be realized, and the problem that the back card swiping of the traditional electronic equipment is inconvenient is solved; under the scheme of using the backlight plate, through the under-screen NFC design of the utility model, the occupation area of the NFC antenna is ensured to be enough on the basis of not increasing the black edge (shading area) of the glass cover plate, so that the NFC field intensity meets the authentication requirement.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
fig. 1 is a schematic structural diagram of an unassembled NFC antenna of an NFC integrated display module provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an NFC antenna assembled by an NFC integrated display module according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an NFC antenna according to a first embodiment of the present application;
fig. 4 is a schematic structural diagram of an NFC antenna according to a second embodiment of the present application;
FIG. 5 is an enlarged view at A in FIG. 4;
fig. 6 is a schematic structural diagram of an unassembled NFC antenna of a display screen module integrated with NFC provided in a second embodiment of the present application;
fig. 7 is a schematic structural diagram of another NFC integrated display module provided in the second embodiment of the present application after assembling an NFC antenna;
FIG. 8 is an enlarged view at B in FIG. 7;
fig. 9 is a schematic structural diagram of an NFC antenna according to a first embodiment of the present application after being assembled with a front case;
fig. 10 is a cross-sectional view of an NFC integrated display module and front case assembled according to an embodiment of the present application;
fig. 11 is an enlarged view at C in fig. 10;
fig. 12 is a schematic structural diagram of an NFC antenna according to a second embodiment of the present application after being assembled with a front case;
fig. 13 is a cross-sectional view of an NFC integrated display module and front case assembled according to a second embodiment of the present application;
fig. 14 is an enlarged view at D in fig. 13.
Reference numerals illustrate:
10. a backlight plate; 11. opening holes; 20. a display module; 30. a glass cover plate; 31. NFC wiring layer; 40. an NFC antenna; 41. a base; 411. a first substrate; 412. a second substrate; 413. a pad region; 42. a coil; 50. a front shell; 51. a bottom plate; 52. a side plate; 60. and soaking cotton.
Detailed Description
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 3, an NFC integrated display module includes a backlight board 10, a display module 20, a glass cover board 30, and an NFC antenna 40, where an opening 11 is provided on the backlight board 10; the display module 20 is stacked above the backlight plate 10; the glass cover plate 30 is arranged on one side of the display module 20 away from the backlight plate 10; the NFC antenna 40 includes a substrate 41 and a coil 42, where the substrate 41 includes a first substrate 411 and a second substrate 412 connected to the first substrate 411, a part of the coil 42 is disposed on the first substrate 411, another part of the coil 42 is disposed on the second substrate 412, the first substrate 411 is disposed on a side of the backlight board 10 away from the display module 20 and opposite to the opening 11, the second substrate 412 is located on an outer side of the display module 20, and an end portion of the second substrate 412 is close to a back surface of the glass cover 30.
In this embodiment, the glass cover plate 30 is disposed on the front surface of the display module 20, the front surface of the glass cover plate 30 is the front surface of the electronic device, the backlight plate 10 is disposed on the back surface of the display module 20, the NFC antenna 40 is disposed on the back surface of the backlight plate 10, that is, the hierarchical structure of the display screen module is sequentially from top to bottom: the display device comprises a glass cover plate 30, a display module 20, a backlight plate 10 and an NFC antenna 40. The glass cover 30 is a TP glass cover (i.e. a tempered glass cover), and the display module 20 includes a touch layer, a display panel, and the like, and the display panel may be an LED display panel or an LCD display panel.
The backlight plate 10 is generally made of metal, in order to reduce the influence of the backlight plate 10 on the NFC antenna 40, the area where the backlight plate 10 and the NFC antenna 40 overlap is dug away, and the design of the opening 11 is made on the backlight plate 10, so that the backlight plate 10 is prevented from greatly interfering with the NFC signal. The NFC antenna 40 includes a substrate 41 and a coil 42, the substrate 41 is a flexible FPC, and the coil 42 is routed along the outline of the substrate 41. The substrate 41 comprises a first substrate 411 and a second substrate 412, a part of the coil 42 is positioned on the first substrate 411, another part of the coil 42 is positioned on the second substrate 412, the first substrate 411 is arranged corresponding to the opening 11 on the backlight plate 10, the second substrate 412 is bent and extends to the outer side of the display module 20, so that the coil on the second substrate 412 is close to the glass cover plate 30 as much as possible, and the card swiping area is positioned on the front surface of the glass cover plate 30, namely, even if the coil on the second substrate 412 is closer to the card swiping area, the card swiping distance is reduced, and the card swiping performance is improved; the second substrate 412 is located on the outer side of the display module 20, so that the NFC trace on the second substrate 412 can avoid the interference of the display module 20 to the greatest extent, and the NFC performance is improved. In addition, the present embodiment adopts the scheme that the NFC antenna 40 is disposed on the back surface of the backlight board 10 and a portion of the NFC antenna extends to the outside of the display module 20, so that the area of the NFC antenna 40 is not limited by the width of the black edge of the glass cover plate 30, and when the black edge (the light shielding area) of the glass cover plate 30 is narrowed, the NFC field intensity can still reach the authentication requirement.
In this embodiment, the coil 42 is a closed coil, and the coil 42 is routed along the edge of the substrate 41; the number of the second substrates 412 is two, and the two second substrates 412 are respectively located on two adjacent outer sides of the display module 20.
The closed coil in this embodiment means that the coil can form a loop after being connected to the main board of the 42 electronic device, and realizes the NFC function, and does not mean that the ends of the coil are also connected together. The number of the second substrates 412 is two, and the two second substrates 412 are close to the edge of the backlight 10, so that the two second substrates 412 extend to the outer side of the display module 20. The two second substrates 412 are provided with NFC coils, so as to increase the coil length on two sides of the display module 20 and improve NFC performance. The coil 42 is routed along the edges of the first and second substrates 411 and 412, so that the coil on the second substrate 412 is closer to the glass cover plate 30 to improve the card swiping performance.
Further, the opening 11 is disposed near a vertex angle of the backlight 10, and at least one edge of the first substrate 411 near the edge of the backlight 10 is bent toward a side near the backlight 10 to form a second substrate 412. The opening 11 is near a corner of the backlight plate 10, two adjacent edges of the opening 11 are near the edge of the backlight plate 10, the first base 411 is also near the edge of the backlight plate 10, and one edge of the first base 411 near the edge of the backlight plate 10 is folded towards the front of the display screen module to form a second base 412, so that the second base 412 can extend to the outer side face of the display module 20 more easily.
Further, in order to reduce the influence of the motherboard of the electronic device on the performance of the NFC antenna, the NFC antenna 40 further includes a shielding layer disposed on a side of the first substrate 411 away from the backlight board 10, that is, a shielding layer is disposed on a back surface of the first substrate 411, and the shielding layer may be ferrite, where the motherboard is disposed on a back surface of the front shell of the electronic device.
Example two
The display screen module integrated with NFC is different from the first embodiment in the structure of the NFC antenna, and the same points of the first embodiment and the second embodiment are not described in detail. As shown in fig. 4 to 8, in the present embodiment, the coil 42 is a non-closed coil; the number of the second substrates 412 is two, one ends of the two second substrates 412 far away from the first substrate 411 are respectively bent towards one side far away from the display module 20 to form a pad area 413, and each pad area 413 is respectively provided with at least one pad; the back of glass apron 30 has plated NFC and has walked line layer 31, and NFC walks line layer 31 and is located the display module assembly 20 outside, and coil 42 passes through the pad and walks line layer 31 intercommunication with NFC, makes coil 42 and NFC walk line layer 31 to form the return circuit.
The non-closed coil in this embodiment means that the coil 42 and the motherboard of the electronic device cannot form a loop after being connected, and the coil 42 and the NFC wiring layer 31 on the glass cover plate 30 can form a loop after being conducted through the bonding pad, and the NFC function is realized; that is, a part of the antenna for realizing the NFC function in this embodiment is disposed on the substrate 41, that is, the coil 42 on the substrate 41, and another part of the antenna is disposed on the back surface of the glass cover plate 30, that is, the NFC wiring layer 31 on the back surface of the glass cover plate 30, and the coil 42 on the substrate 41 and the NFC wiring layer 31 on the back surface of the glass cover plate 30 together form a complete NFC antenna coil, and achieve NFC performance.
In this embodiment, the length of the glass cover plate 30 is greater than the length of the display module 20, the width of the glass cover plate 30 is greater than the width of the display module 20, that is, the edge of the glass cover plate 30 extends out of the display module 20, the NFC trace layer 31 on the back of the glass cover plate 30 is disposed in the area where the glass cover plate 30 extends out of the display module 20, that is, the NFC trace layer 31 is located outside the display module 20, and the NFC trace layer 31 on the back of the glass cover plate 30 may be formed by silk-screen printing or other manners. The NFC routing layer 31 located on the back of the glass cover plate 30 is located on the outer side of the display module 20, the NFC routing layer 31 cannot be interfered by signals of the display module 20, the NFC routing layer 31 can be closest to the appearance of the glass cover plate 30, and the NFC field intensity can be maximized under the condition that the black edge (shading area) of the glass cover plate 30 is not increased.
Further, each pad area 413 is provided with two pads, the number of the NFC routing layers 31 is two, the two NFC routing layers 31 are arranged in parallel, and the coil 42 on the substrate 41 may also include two copper wires. In practical application, one copper wire is communicated with one NFC wiring layer 31, and the other copper wire is communicated with the other NFC wiring layer 31, so that two copper wires and two NFC wiring layers 31 are respectively communicated to form a parallel wiring; the two NFC trace layers 31 may be connected in series through pad connection and then connected with two copper wires to form a loop, so as to form different NFC traces. Of course, if the black edge width of the glass cover plate 30 allows, more NFC trace layers 31 can be plated in the black edge area of the back surface of the glass cover plate 30 to form more NFC antennas 40 with different lengths, so that the display screen module integrated with NFC can meet more different use requirements.
Example III
An electronic device, as shown in fig. 9 to 14, includes a front case 50 and the NFC integrated display module set in any of the above embodiments, where the NFC integrated display module set is disposed on the front case 50.
The front case 50 includes a bottom plate 51 and a side plate 52 surrounding the bottom plate 51; the display module 20 is disposed in an accommodating space defined by the side plates 52, the glass cover plate 30 is covered on the accommodating space, the back surface of the first substrate 411 is fixed on the bottom plate 51, and the whole display screen module is supported by the bottom plate 51 of the front case 50.
In the first embodiment of the NFC antenna 40, as shown in fig. 9 to 11, at least a portion of the second substrate 412 is disposed in a gap between the outer side wall of the display module 20 and the inner wall of the side plate 52, the area of the side plate 52 corresponding to the second substrate 412 is made of a non-metal material, so as to avoid shielding signals on the second substrate 412, the area of the side plate 52 of the front case 50 corresponding to the second substrate 412 is provided with a dispensing surface, and the second substrate 412 is attached to the dispensing surface of the side plate, so as to fix the second substrate 412.
When the NFC antenna 40 is configured as shown in the second embodiment, as shown in fig. 12 to 14, a portion of the second substrate 412 is disposed in a gap between an outer side wall of the display module 20 and an inner wall of the side plate 52, and a region of the side plate 52 corresponding to the second substrate 412 is made of a non-metal material, a pad area 413 of the second substrate 412 is located in the gap between the glass cover plate 30 and the side plate 52 and is fixed on the side plate 52 by glue, a front surface of the pad area 413 abuts against a back surface of the glass cover plate 30, and foam 60 is disposed between the back surface of the pad area 413 and the front case 50, and the foam 60 can be fixed on the back surface of the pad area 413 by double-sided tape. When the display screen module is mounted on the front shell 50, the glass cover plate 30 and the foam adhesive on the side plate 52 enable the NFC routing layer 31 plated on the glass cover plate 30 to be tightly attached to the bonding pad area 413 folded and attached on the side plate 52, and because the glass cover plate 30 and the front shell 50 are fixed by the adhesive, the NFC routing layer 31 on the back surface of the glass cover plate 30 and the bonding pad area 413 can be stably pressed and conducted to form a loop. In this embodiment, under the scheme of using the backlight board 10, the NFC wiring layer 31 is designed on the glass cover plate 30, and the NFC wiring layer 31 on the back surface of the glass cover plate 30 is conducted with the coil 42 on the substrate 41, so that the NFC wiring can be closest to the shape of the glass cover plate 30, the occupied area of the NFC antenna 40 is ensured to be enough, and the field intensity of NFC can also meet the authentication requirement on the basis of not increasing the black edge of the glass cover plate 30.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. An integrated NFC's display screen module, comprising:
the backlight plate is provided with an opening;
the display module is arranged above the backlight plate in a stacking way;
the glass cover plate is covered on one side of the display module, which is far away from the backlight plate;
NFC antenna, including base member and coil, the base member include first base member and with the second base member that first base member is connected, a part of coil set up in on the first base member, another part of coil set up in on the second base member, the first base member set up in the back of light plate keep away from one side of display module assembly just right the trompil sets up, the second base member is located the lateral surface of display module assembly and tip are close to the back of glass apron.
2. The NFC-integrated display module of claim 1, wherein,
the open hole is arranged near one vertex angle of the backlight plate;
at least one edge of the first substrate close to the edge of the backlight plate is bent towards one side close to the backlight plate to form the second substrate.
3. An NFC-integrated display module according to claim 2, wherein,
the coil is a closed coil, and the coil is routed along the edge of the substrate;
the number of the second matrixes is two, and the two second matrixes are respectively positioned on two adjacent outer side surfaces of the display module.
4. An NFC-integrated display module according to claim 2, wherein,
the coil is a non-closed coil;
the number of the second substrates is two, one ends of the two second substrates, which are far away from the first substrate, are respectively bent towards one side, which is far away from the display module, of the second substrates to form a bonding pad area, and each bonding pad area is respectively provided with at least one bonding pad;
NFC wiring layer has been plated to the back of glass apron, NFC wiring layer is located the display module assembly outside, the coil pass through the pad with NFC wiring layer intercommunication makes the coil with NFC wiring layer forms the return circuit.
5. The NFC-integrated display module of claim 4, wherein,
each pad area is provided with two pads, the number of the NFC wiring layers is two, and the two NFC wiring layers are arranged in parallel.
6. The NFC-integrated display module of claim 1, wherein,
the NFC antenna further comprises a shielding layer, and the shielding layer is arranged on one side, far away from the backlight plate, of the first substrate.
7. An electronic device comprising a front housing and the NFC-integrated display module of any of claims 1-6, the NFC-integrated display module being disposed in the front housing.
8. The electronic device of claim 7, wherein the electronic device comprises a memory device,
the front shell comprises a bottom plate and side plates surrounding the bottom plate;
the display module is arranged in an accommodating space formed by surrounding the side plates, the glass cover plate is arranged on the accommodating space, and the back surface of the first substrate is fixed on the bottom plate.
9. The electronic device of claim 8, wherein the electronic device comprises a memory device,
at least a part of the second matrix is arranged in a gap between the outer side wall of the display module and the inner wall of the side plate, and the area of the side plate corresponding to the second matrix is made of nonmetal materials.
10. The electronic device of claim 9, wherein the electronic device comprises a memory device,
the pad area of the second substrate is positioned in a gap between the glass cover plate and the side plate, the front surface of the pad area is abutted to the back surface of the glass cover plate, and foam is arranged between the back surface of the pad area and the front shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352000.5U CN220399858U (en) | 2023-08-30 | 2023-08-30 | Display screen module and electronic equipment of integrated NFC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352000.5U CN220399858U (en) | 2023-08-30 | 2023-08-30 | Display screen module and electronic equipment of integrated NFC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399858U true CN220399858U (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322352000.5U Active CN220399858U (en) | 2023-08-30 | 2023-08-30 | Display screen module and electronic equipment of integrated NFC |
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| Country | Link |
|---|---|
| CN (1) | CN220399858U (en) |
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2023
- 2023-08-30 CN CN202322352000.5U patent/CN220399858U/en active Active
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