CN112927613A - Electronic equipment and display module - Google Patents
Electronic equipment and display module Download PDFInfo
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- CN112927613A CN112927613A CN202110117870.7A CN202110117870A CN112927613A CN 112927613 A CN112927613 A CN 112927613A CN 202110117870 A CN202110117870 A CN 202110117870A CN 112927613 A CN112927613 A CN 112927613A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The application discloses electronic equipment and display module assembly, wherein the display module assembly includes: the NFC module and the display screen; the NFC module comprises an NFC coil and an NFC ferrite, the display screen comprises a substrate layer and an insulating layer, the NFC coil is arranged on the surface of the substrate layer facing away from the display direction of the display screen, the insulating layer is arranged on one side of the substrate layer facing away from the display direction, the NFC coil is arranged in the insulating layer, and the NFC ferrite is arranged on one side of the insulating layer facing away from the substrate layer. The NFC coil in this application has utilized the intraformational space of insulating effectively, can not additionally increase display module assembly's thickness, and the NFC coil of deposit on base plate layer surface can not cause the influence to the structure on base plate layer simultaneously to make display module assembly's display stability good.
Description
Technical Field
The application belongs to the technical field of communication equipment, and particularly relates to electronic equipment and a display module.
Background
With the increase of user requirements, more and more functional modules are configured for electronic equipment. The function modules can enable the functions of the electronic equipment to be more and more, and further can meet more use requirements of users.
In the related art, the electronic device is provided with an NFC (Near Field Communication) module. The NFC module enables the electronic equipment to have a near field communication function. In this case, the electronic device can be used for payment, motion monitoring, entrance guard opening and the like, and obviously, the application scene of the electronic device can be further widened.
In the related art, the electronic device is provided with the display module, and the NFC module is attached to the back surface of the display module (i.e., the surface opposite to the display surface of the display module), so that the NFC module and the display module can be mounted in an overlapping manner. However, the thickness of the electronic device is increased due to the assembly structure, and the demand for the electronic device to be thinner cannot be met.
Disclosure of Invention
The embodiment of the application aims to provide an electronic device and a display module, and the problem that the thickness of the existing display module with the NFC function is thick can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, the present invention discloses a display module, including: an NFC module and a display screen, wherein,
the NFC module comprises an NFC coil and an NFC ferrite;
the display screen comprises a substrate layer and an insulating layer, the NFC coil is arranged on the surface of the substrate layer, which faces away from the display direction of the display screen, the insulating layer is arranged on one side of the substrate layer, which faces away from the display direction, the NFC coil is arranged in the insulating layer, and the NFC ferrite is arranged on one side of the insulating layer, which faces away from the substrate layer.
In a second aspect, the present invention provides an electronic device, which includes the above display module.
Compare in prior art, the NFC module has been integrated in the display module assembly disclosed in the embodiment of this application, and is concrete, the base plate layer has the insulating layer in the superpose of one side of display screen display direction dorsad, the NFC coil deposit is on the surface of base plate layer display screen display direction dorsad, and be in the insulating layer, the NFC coil that sets up like this has utilized the intraformational space of insulating effectively, can additionally not increase display module assembly's thickness, the NFC coil of deposit on base plate layer surface can not cause the influence to the structure on base plate layer simultaneously, thereby make display module assembly's display stability good.
Drawings
Fig. 1 is a schematic view of a display module disclosed in an embodiment of the present application;
fig. 2 is a schematic cross-sectional view of a-a of fig. 1 in a display module disclosed in an embodiment of the present application.
Description of reference numerals:
100-NFC module, 110-NFC coil, 111-first coil terminal, 112-second coil terminal, 120-NFC ferrite,
200-display screen, 210-substrate layer, 210 a-end outer edge, 210 b-first electrode sheet, 210 c-second electrode sheet, 220-insulating layer, 230-cover plate, 231-light-transmitting connecting glue, 240-polarizing layer, 250-protective layer,
200 a-a display area, 200 b-a non-display area,
300-a flexible electrical connection, the electrical connection,
400-a bridge-to-trace,
500-a buffer layer, the buffer layer,
600-connecting glue.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The technical solutions disclosed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 2, an embodiment of the present application discloses a display module, which includes an NFC module 100 and a display screen 200.
The NFC module 100 can provide an NFC function for the electronic device, and the NFC module 100 can enable the electronic device to have near field communication functions such as payment, door access simulation, contact passing, browsing, and linking. The display screen 200 is used to display an image.
In the display module disclosed in the embodiment of the present application, the NFC coil 110 is disposed on the substrate layer 210, and the NFC coil 110 is located in the insulating layer 220, so that the NFC coil 110 effectively utilizes the internal space of the insulating layer 220, the thickness of the display module is not additionally increased, the display module is light and thin, and the electronic device using the display module is light and thin. Meanwhile, a groove for accommodating the NFC coil 110 does not need to be formed in the substrate layer 210, so that the structural stability and integrity of the substrate layer 210 are ensured, and the difficulty of the processing technology of the substrate layer 210 is reduced. NFC ferrite 120 is disposed on a side of insulating layer 220 facing away from substrate layer 210, and NFC ferrite 120 is spaced apart from NFC coil 110 such that NFC ferrite 120 does not affect the structural integrity of substrate layer 210 and insulating layer 220.
Optionally, when the NFC coil 110 is disposed, the NFC coil 110 may be deposited on the surface of the substrate layer 210 on a side opposite to the display direction of the display screen 200, and then the insulating layer 220 is deposited on the substrate layer 210, so that the insulating layer 220 covers the NFC coil 110, and the process difficulty of the display module is further reduced.
In order to form a complete display screen 200 structure, a polarization layer 240 and a cover plate 230 are sequentially stacked on one side of a substrate layer 210 opposite to an insulating layer 220, the cover plate 230, the polarization layer 240, the substrate layer 210 and the insulating layer 220 are sequentially stacked in the thickness direction of the four layers, the cover plate 230 can protect a display module, the polarization layer 240 can perform a polarization function, and the cover plate 230 and the polarization layer 240 can be connected through a light-transmitting connecting glue 231. The light-transmitting connecting glue can be an OCA glue layer.
Optionally, the NFC coil 110 may also be disposed on one side of the cover plate 230 or on two opposite sides of the polarizing layer 240 in the thickness direction of the polarizing layer 240, specifically, when the NFC coil 110 is disposed on the cover plate 230, it may be disposed on one side of the cover plate 230 facing away from the display direction of the display screen 200, and correspondingly, the insulating layer 220 should also be disposed on one side of the cover plate 230 facing away from the display direction of the display screen 200, and the insulating layer 220 also plays a role of protecting the NFC coil 110. When the NFC coil 110 is disposed on the polarizing layer 240, it may be disposed on a side of the polarizing layer 240 opposite to the display direction of the display screen 200, or disposed on a side of the polarizing layer 240 facing the display direction of the display screen 200, and accordingly, the insulating layer 220 is selectively disposed on a side of the polarizing layer 240 opposite to the display direction of the display screen 200 or facing the display direction of the display screen 200 according to a specific position of the NFC coil 110, and the insulating layer 220 should also cover the NFC coil 110.
When the NFC coil 110 is disposed on the polarizing layer 240 or the cover plate 230, the NFC coil 110 may also be disposed by deposition, and correspondingly, the insulating layer 220 is also deposited on the surface of the NFC polarizing layer 240 or the cover plate 230 by deposition.
It should be noted that, a backlight assembly is usually disposed on a side of the substrate layer 210 opposite to the display direction of the display panel 200, and the backlight assembly is an important assembly constituting the display panel 200, and the structure thereof is known in the art and will not be described herein again.
Optionally, the display screen 200 includes a display area 200a and a non-display area 200b, where the non-display area 200b is disposed around the display area 200a, the display area 200a can display image information, and the non-display area 200b serves as a boundary of the display screen 200 to protect the display area 200 a. Accordingly, the display area 200a has a corresponding projection position on the substrate layer 210, which is a display projection, and the non-display area 200b also has a corresponding projection position on the substrate layer 210, which is a non-display projection, which is also to be disposed around the display projection. In order to make the sensing performance of the NFC module 100 stronger, the NFC coil 110 may be provided in multiple turns, and meanwhile, in order to reduce the influence of the NFC coil 110 on the display effect of the display screen 200, the multiple turns of the NFC coil 110 should extend at the edge of the display screen 200.
Specifically, a part of the NFC coil 110 is located in the non-display area 200b of the display screen 200 and is a non-display projection area on the substrate layer 210, and another part of the NFC coil 110 is located in the display area 200a of the display screen 200 and is located at a position where the display area 200a is close to the non-display area 200b and is located at a position where the display projection is close to the non-display projection on the substrate layer 210, so that the NFC coil 110 can be arranged in multiple turns, and the influence of the NFC coil 110 on the display effect of the display screen 200 is reduced. Meanwhile, the problem that screen flash occurs to the display screen 200 due to the fact that the NFC coil is too close to the center of the display screen 200 can be relieved.
It should be noted that, in order to ensure that the thickness of the display module is not additionally increased on the premise that the inductive performance of the NFC coil 110 is good, each turn of the NFC coil 110 with multiple turns should be arranged on the same layer, so as to avoid the NFC coil 110 from being stacked.
Optionally, because part of the NFC coil 110 enters the display area 200a of the display screen 200, in order to reduce the influence of the part of the NFC coil 110 on the display effect of the display area 200a, the NFC coil 110 may adopt transparent routing, and the NFC coil 110 of the transparent routing does not influence the display image of the display area 200a, thereby being beneficial to improving the screen occupation ratio of the display screen 200. Specifically, the NFC coil 110 of the transparent trace may be made of indium tin oxide, TiAlTi, or nano silver, and when indium tin oxide and TiAlTi are used as the NFC coil 110, the NFC coil 110 is usually deposited on the substrate layer 210 in a magnetron sputtering manner, and when nano silver is used as the NFC coil 110, the NFC coil 110 is usually deposited on the substrate layer 210 in a solution coating manner.
The magnetron sputtering and solution coating methods are well known in the semiconductor processing field, and thus, the details thereof are not repeated in this application.
Optionally, the NFC coil 110 includes a first coil end 111 adjacent to the center of the display screen 200 and a second coil end 112 adjacent to the edge of the display screen 200, so a certain distance is provided between the first coil end 111 and the second coil end 112, when the NFC coil 110 is configured in multiple turns, the distance may be further increased, in order to enable the NFC coil 110 to be in communication connection with a motherboard of an electronic device, the display module according to the embodiment of the present application further includes a flexible electrical connector 300, one end of the flexible electrical connector 300 is electrically connected to the NFC coil 110, and the motherboard of the electronic device at the other end is electrically connected. Alternatively, the flexible electrical connector 300 may be a flexible circuit board
Specifically, the second coil end 112 of the NFC coil 110 is adjacent to the edge of the display screen 200, so that it can be directly electrically connected to one end of the flexible electrical connector 300, while the first coil end 111 of the NFC coil 110 is spaced apart from the edge of the display screen 200, so that the first coil end 111 is electrically connected to one end of the flexible electrical connector 300 through the bridging trace 400. When the NFC coil 110 is disposed in multiple turns, the bridging trace 400 crosses over a portion of the NFC coil 110, and in order to avoid short circuit caused by direct contact between the bridging trace 400 and a portion of the NFC coil 110, an insulating material may be coated on the surface of the bridging trace 400. As the number of turns of the NFC coil 110 increases, the edge distance between the first coil end 111 and the display screen 200 increases, and correspondingly, the length of the bridging trace 400 should also increase, and the application is not limited to the specific number of turns of the NFC coil 110 and the length of the bridging trace 400.
Optionally, the display panel 200 further includes a protective layer 250, and the protective layer 250 is stacked on a side of the insulating layer 220 facing away from the substrate layer 210. After the bridge trace 400 is led out from the second coil end 112 of the NFC coil 110, the bridge trace 400 passes through the insulating layer 220, and the protective layer 250 is stacked on the insulating layer 220, so that the first portion of the bridge trace 400 is located in the insulating layer 220, the second portion of the bridge trace is located in the protective layer 250, the insulating layer 220 and the bridge trace 400 are covered by the protective layer 250, and the protective layer 250 can play a role in packaging the insulating layer 220 and the bridge trace 400, so as to prevent moisture and oxygen from corroding the NFC coil 110 and the bridge trace 400, thereby achieving the purpose of protecting the NFC coil 110 and the bridge trace 400. Specifically, the protection layer 250 may be an organic photoresist type encapsulation glass.
It should be noted that, after the bridge trace 400 is led out from the first coil end 111 of the NFC coil 110, the first portion of the bridge trace 400 located in the insulating layer 220 should be configured not to contact with the NFC coil 110, and specifically, the insulating layer 220 is located between the first portion and the NFC coil 110 to separate the bridge trace 400 from the NFC coil 110, so as to prevent the bridge trace 400 and the NFC coil 110 from contacting and shorting.
Optionally, one end of the substrate layer 210 has an end outer edge 210a, the insulating layer 220 forms a first projection on the substrate layer 210, the end outer edge 210a forms a second projection on the substrate layer 210, the first projection and the second projection are coplanar, the first projection is located on one side of the second projection, so that the end outer edge 210a is a portion of the insulating layer 220, where one end edge extends to a side away from the center of the insulating layer 220, and the insulating layer 220 is not stacked on the end outer edge 210 a.
The outer edge 210a of the end portion is fixedly connected with a first electrode sheet 210b and a second electrode sheet 210c in a manner of being opposite to the display direction of the display screen 200, the outer edge 210a of the end portion provides a mounting base for the first electrode sheet 210b and the second electrode sheet 210c, the first electrode sheet 210b and the second electrode sheet 210c are electrical connection members, the NFC coil 110 is connected with the flexible electrical connection member 300 through the first electrode sheet 210b and the second electrode sheet 210c, the first electrode sheet 210b and the second electrode sheet 210c are provided with connection glue 600, the first electrode sheet 210b and the second electrode sheet 210c are connected with the flexible electrical connection member 300, and further are in communication connection with a main board of an electronic device.
Specifically, the first coil end 111 of the NFC coil 110 is connected to the first electrode pad 210b through the bridging trace 400, thus, the end of the bridge trace 400 remote from the first coil end 111 extends to the end outer edge 210a, the second coil end 112 of the NFC coil 110 is connected to the second electrode pad 210c, the flexible electrical connector 300 is connected to both the first electrode pad 210b and the second electrode pad 210c, therefore, the first electrode piece 210b and the second electrode piece 210c should be disposed close to each other so that the flexible electrical connector 300 can be connected to both of them, and accordingly, the distance between the first coil end 111 and the second coil end 112 should not be too large, and specifically, the distance between the projections of the first coil end 111 and the second coil end 112 on the plane perpendicular to the display screen 200 should be set small, therefore, the length of the bridge trace 400 can be reduced, and the performance stability of the display module disclosed by the embodiment of the application is better.
Optionally, the NFC coil 110, the first electrode sheet 210b, and the second electrode sheet 210c are disposed on the same layer, and specifically, the NFC coil 110, the first electrode sheet 210b, and the second electrode sheet 210c may be disposed on a side of the substrate layer 210 facing away from the display direction of the display screen 200, so that the redundant arrangement of the NFC coil 110 may be reduced, and the thickness of the display module disclosed in the embodiment of the present application may not be additionally increased.
Optionally, the buffer layer 500 is stacked on a side of the insulating layer 220 facing away from the NFC coil 110, the buffer layer 500 is fixed on the insulating layer 220, the NFC ferrite 120 is stacked on the buffer layer 500 and is located on a side of the buffer layer 500 facing away from the NFC coil 110, the buffer layer 500 is arranged to protect the display screen 200, and specifically, the buffer layer 500 may be made of a material with a shock absorbing and buffering function, such as a shock absorbing foam.
Based on the display module, the embodiment of the application also discloses an electronic device, which comprises the display module.
The electronic device disclosed by the embodiment of the application can be a smart phone, a tablet computer, an electronic book reader or a wearable device. Of course, the electronic device may also be other devices, which is not limited in this embodiment of the application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A display module, comprising: an NFC module (100) and a display screen (200);
wherein the NFC module (100) comprises an NFC coil (110) and an NFC ferrite (120);
the display screen (200) comprises a substrate layer (210) and an insulating layer (220), the NFC coil (110) is arranged on the surface of the substrate layer (210) facing away from the display direction of the display screen (200), the insulating layer (220) is arranged on one side of the substrate layer (210) facing away from the display direction of the display screen (200), the NFC coil (110) is arranged in the insulating layer (220), and the NFC ferrite (120) is arranged on one side of the insulating layer (220) facing away from the substrate layer (210).
2. The display module according to claim 1, further comprising a cover plate (230) and a polarizing layer (240), wherein the polarizing layer (240) is stacked on a side of the substrate layer (210) facing away from the insulating layer (220), and wherein the cover plate (230) is stacked on a side of the polarizing layer (240) facing away from the substrate layer (210).
3. The display module according to claim 1, wherein the NFC coil (110) extends along an edge of the display screen (200) and is disposed in a plurality of turns, the display screen (200) includes a display area (200a) and a non-display area (200b), the non-display area (200b) is disposed around the display area (200a), a portion of the NFC coil (110) is located in the display area (200a), and another portion of the NFC coil (110) is located in the non-display area (200 b).
4. The display module according to claim 1, wherein the NFC coil (110) is a transparent trace.
5. The display module according to claim 1, wherein the NFC coil (110) comprises a first coil end (111) adjacent to a center of the display screen (200) and a second coil end (112) adjacent to an edge of the display screen (200), the display module further comprises a flexible electrical connector (300), one end of the flexible electrical connector (300) is connected to the edge of the display screen (200) and electrically connected to the second coil end (112), and the first coil end (111) is electrically connected to the flexible electrical connector (300) through a bridge trace (400).
6. The display module according to claim 5, wherein the display screen (200) further comprises a protection layer (250), the protection layer (250) is stacked on a side of the insulating layer (220) facing away from the substrate layer (210), a first portion of the bridge trace (400) is disposed in the insulating layer (220), and a second portion of the bridge trace (400) is disposed in the protection layer (250).
7. The display module according to claim 5, wherein the substrate layer (210) includes an end outer edge (210a), the insulating layer (220) forms a first projection on the substrate layer (210), the end outer edge (210a) forms a second projection on the substrate layer (210), the first projection is coplanar with the second projection, the first projection is located on one side of the second projection, a first electrode sheet (210b) and a second electrode sheet (210c) are fixed on a surface of the end outer edge (210a) facing away from a display direction of the display screen (200), one end of the flexible electrical connector (300) is electrically connected to the first electrode sheet (210b) and the second electrode sheet (210c), the first coil end (111) is electrically connected to the first trace electrode sheet (210b) through the bridge (400), the second coil end (112) is electrically connected to the second electrode pad (210 c).
8. The display module according to claim 7, wherein the NFC coil (110), the first electrode sheet (210b), and the second electrode sheet (210c) are disposed on the same layer.
9. The display module according to claim 2, wherein a buffer layer (500) is stacked on a side of the insulating layer (220) facing away from the NFC coil (110), and the NFC ferrite (120) is stacked on the buffer layer (500) and located on a side of the buffer layer (500) facing away from the NFC coil (110).
10. An electronic device, comprising the display module according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117870.7A CN112927613B (en) | 2021-01-28 | 2021-01-28 | Electronic equipment and display module |
| PCT/CN2022/073791 WO2022161351A1 (en) | 2021-01-28 | 2022-01-25 | Electronic device and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117870.7A CN112927613B (en) | 2021-01-28 | 2021-01-28 | Electronic equipment and display module |
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| Publication Number | Publication Date |
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| CN112927613A true CN112927613A (en) | 2021-06-08 |
| CN112927613B CN112927613B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110117870.7A Active CN112927613B (en) | 2021-01-28 | 2021-01-28 | Electronic equipment and display module |
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| CN (1) | CN112927613B (en) |
| WO (1) | WO2022161351A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022161351A1 (en) * | 2021-01-28 | 2022-08-04 | 维沃移动通信有限公司 | Electronic device and display module |
| CN114464092A (en) * | 2022-02-14 | 2022-05-10 | 京东方科技集团股份有限公司 | Display module, preparation method thereof and display device |
| CN114464092B (en) * | 2022-02-14 | 2023-12-05 | 京东方科技集团股份有限公司 | Display module, preparation method thereof and display device |
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| Publication number | Publication date |
|---|---|
| CN112927613B (en) | 2023-07-07 |
| WO2022161351A1 (en) | 2022-08-04 |
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