CN112965634A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
- Publication number
- CN112965634A CN112965634A CN202110351242.5A CN202110351242A CN112965634A CN 112965634 A CN112965634 A CN 112965634A CN 202110351242 A CN202110351242 A CN 202110351242A CN 112965634 A CN112965634 A CN 112965634A
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- Prior art keywords
- antenna
- metal foil
- circuit board
- layer
- flexible circuit
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- 239000002184 metal Substances 0.000 claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 claims abstract description 67
- 239000011888 foil Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 37
- 239000000463 material Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Support Of Aerials (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The application discloses display module assembly and electronic equipment belongs to electronic equipment technical field, and this display module assembly includes: the display panel comprises an antenna circuit, a metal foil and a flexible circuit board, wherein the antenna circuit and the metal foil are respectively arranged on a first surface and a second surface opposite to the display panel, the antenna circuit is connected with the flexible circuit board, and the metal foil is fixed by the flexible circuit board. This application sets up antenna circuit and metal foil respectively through the two sides at display panel edge to be connected with flexible circuit board, thereby can effectively shield the signal interference to the antenna electrode, improve the receiving and dispatching performance of antenna.
Description
Technical Field
The application belongs to the technical field of electronic equipment, concretely relates to display module assembly and electronic equipment.
Background
In the related art, with the development of wireless communication technology, the application scenarios of the wireless communication system are more and more abundant, and the requirement for an antenna, which is one of the key components of the wireless communication system, is higher and higher. On the one hand, in some application scenarios, the antenna needs to have the conformality, it is disguised, the security is so that integrated car, intelligence is dressed, on the wireless products such as intelligent house, on the other hand, along with wireless communication system's transmission rate is higher and higher, communication capacity is bigger and larger, the carrier frequency is higher and higher, and the path loss that the carrier frequency is higher and higher brings is bigger and bigger, need array antenna to improve the gain and overcome path loss's influence, and for high gain can beam scanning or beam forming (beamforming) again simultaneously, need adopt phased array antenna (phased antenna) technique, thereby need to integrate more and more antennas in limited space. Currently, the design scheme of the mainstream millimeter wave Antenna mainly adopts the technology and process of packaging an Antenna In Package (AIP), that is, an AIP module (AIP module), and integrates a millimeter wave array Antenna, a Radio Frequency Integrated Circuit (RFIC) and a Power Management Integrated Circuit (PMIC) into one module.
Under the above demands, a scheme of combining an antenna and a display device in a smart phone has emerged. In the current scheme, an antenna is integrated on a touch layer or a wiring layer on a display substrate to realize a narrow-frame or frameless scheme.
In the process of implementing the present application, the inventors found that at least the following problems exist in the prior art. The display and touch signals have a large influence on the antenna signal acquisition, and the antenna is easily interfered.
Disclosure of Invention
The application aims at providing a display module assembly and electronic equipment, and it is great to antenna signal acquisition with touch signal to solve at least, and the antenna receives one of the problem of interference easily.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a display module, including:
the antenna comprises an antenna circuit, a metal foil and a flexible circuit board, wherein the antenna circuit and the metal foil are respectively arranged on a first surface and a second surface opposite to the display panel, the antenna circuit is connected with the flexible circuit board, and the metal foil is fixed by the flexible circuit board.
In a second aspect, an embodiment of the present application provides an electronic device, including: the display module is as described above.
In the embodiment of the application, the antenna circuit and the metal foil are respectively arranged on two sides of the edge of the display panel and connected with the flexible circuit board, and the metal foil is used as the antenna ground pole in the vertical direction, so that the signal interference on the antenna electrode can be effectively shielded, and the receiving and transmitting performance of the antenna is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a display module according to an embodiment of the invention;
fig. 2 is a top view of an antenna circuit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a flexible circuit board according to an embodiment of the present invention;
FIG. 4 is another schematic diagram of a display module according to an embodiment of the invention.
Reference numerals:
an antenna circuit 10; a metal foil 11; a flexible circuit board 12;
a display panel 13; an antenna electrode 101; a wireless ground electrode 102;
a binding electrode 103; a first base material layer 121; a metal layer 122;
a second substrate layer 123; a binding electrode 124; and an insulating layer 125.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. 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 features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. 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.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A display module according to an embodiment of the invention is described below with reference to fig. 1 to 4.
As shown in fig. 1, a display module according to some embodiments of the present invention includes: the antenna comprises an antenna circuit 10, a metal foil 11 and a flexible circuit board 12, wherein the antenna circuit 10 and the metal foil 11 are respectively arranged on a first surface and a second surface opposite to the display panel 13, the antenna circuit 10 is connected with the flexible circuit board 12, and the metal foil 11 is fixed by the flexible circuit board 12.
The antenna circuit 10 is disposed on a first surface of the edge of the display panel 13, and is connected to the flexible circuit board 12, and then the antenna chip on the flexible circuit board 12 is used to receive and transmit signals from and to the antenna.
Further, as shown in fig. 2, the antenna circuit 10 includes an antenna electrode 101 and an antenna ground electrode 102 which are horizontally distributed. The antenna ground 102 is an antenna ground in the horizontal direction, and if only the antenna ground in the horizontal direction is provided, the signal acquisition of the antenna electrode 101 is still interfered by the on-screen display signal.
A metal foil 11 is disposed on a second surface of the display panel 13 opposite to the first surface, and the metal foil 11 is fixed on the flexible circuit board 12. The metal foil 11 may serve as an antenna ground in the vertical direction of the antenna circuit 10.
The metal foil 11 may be made of various metals according to needs, and the embodiment of the present invention is illustrated by taking the metal foil 11 as a copper foil. Specifically, the metal foil 11 may be a strip-shaped copper foil.
For the sake of simplicity, in the following embodiments, the first surface is above, and the second surface is below.
According to the display module provided by the embodiment of the invention, the antenna circuit and the metal foil are respectively arranged on the two sides of the edge of the display panel and are connected with the flexible circuit board, so that the signal interference on the antenna electrode can be effectively shielded, and the receiving and transmitting performance of the antenna is improved.
According to a further embodiment of the present invention, as shown in fig. 3 and 4, the flexible circuit board 12 includes, from top to bottom, a first substrate layer 121, a metal layer 122 and a second substrate layer 123, the second substrate layer 123 is partially attached to the metal layer 122, the second substrate layer 122 is used to fix the metal foil 11 at a portion where the second substrate layer 123 is separated from the metal layer 122, and the metal layer 122 is connected to the antenna circuit 10.
The first base material layer 121 may be completely attached to the metal layer 122 by a first adhesive layer, and the second base material layer 123 may be partially attached to the metal layer 122 by a second adhesive layer, and the other part is separated from the metal layer 122, so that the flexible circuit board 12 has an open shape. The metal foil 11 is provided on a second adhesive layer at a portion where the second base material layer 123 is separated from the metal layer 122, thereby fixing the position of the metal foil 11 on the second surface of the display panel.
Further, the metal layer 122 may be made of various metals according to needs, and in the embodiment of the present invention, the metal layer 122 is only exemplified by a copper foil.
Further, the antenna electrode 101 and the antenna ground electrode 102 of the antenna circuit 10 are both connected to the metal layer 122 through the bonding electrode 103.
As shown in fig. 2 and 4, a bonding electrode 103 is provided to be connected to the antenna electrode 101 and the antenna ground electrode 102, respectively. Meanwhile, a bonding electrode 124 connected to an edge of the metal layer 122 is disposed under the first base material layer 121, and the bonding electrode 124 may also be attached to the first base material layer 121 through a first adhesive layer. The antenna electrode 101 and the antenna ground electrode 102 are respectively connected with the metal layer 122 through the corresponding binding electrodes 103 and 124, so that an antenna signal received by the antenna electrode 101 is transmitted to the metal layer 122 of the flexible circuit board 12 through the binding electrodes 103 and 124, and then transmitted to an antenna chip for normal antenna signal processing, and hardware communication of the antenna is completed.
According to the display module provided by the embodiment of the invention, the metal layer is respectively connected with the antenna electrode and the antenna ground pole of the antenna circuit through the binding electrode on one side of the opening through the flexible circuit board which is arranged into the opening shape, and the metal foil is fixed on the other side of the opening, so that the signal interference on the antenna electrode is effectively shielded through the metal foil, and the receiving and transmitting performance of the antenna is improved.
According to a further embodiment of the present invention, as shown in fig. 4, an insulating layer 125 is disposed under the metal layer 122 at a portion where the second substrate 123 is separated from the metal layer 122.
According to the display module, the insulating layer is arranged below the metal layer, so that the antenna signal is not affected when passing through the metal layer, and the receiving and transmitting performance of the antenna is improved.
According to a further embodiment of the invention, the position of the metal foil on the second side corresponds to the position of the antenna circuit on the first side.
Further, the area of the metal foil is larger than or equal to the area of the antenna circuit.
According to the display module, the metal foil is arranged at the position corresponding to the antenna circuit, and the area of the metal foil is larger than or equal to that of the antenna circuit, so that signal interference on the antenna electrode can be effectively shielded, and the receiving and transmitting performance of the antenna is improved.
Based on the same inventive concept, an embodiment of the present invention further provides an electronic device, including: the display module assembly of the above embodiment.
Other configurations, such as housings, etc., and operations of electronic devices according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
According to the electronic equipment provided by the embodiment of the invention, the antenna integrated equipment comprises a shell and the antenna integrated equipment, wherein the antenna circuit and the metal foil are respectively arranged on two sides of the edge of the display panel and are connected with the flexible circuit board, so that the signal interference on an antenna electrode can be effectively shielded, and the receiving and transmitting performance of the antenna is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A display module, comprising: the antenna comprises an antenna circuit, a metal foil and a flexible circuit board, wherein the antenna circuit and the metal foil are respectively arranged on a first surface and a second surface opposite to the display panel, the antenna circuit is connected with the flexible circuit board, and the metal foil is fixed by the flexible circuit board.
2. The apparatus of claim 1, wherein the antenna circuit comprises a horizontally distributed antenna electrode and an antenna ground.
3. The device of claim 1, wherein the flexible circuit board comprises a first substrate layer, a metal layer and a second substrate layer from top to bottom, the second substrate layer is partially attached to the metal layer, the second substrate layer is used for fixing the metal foil at a part of the second substrate layer, which is separated from the metal layer, and the metal layer is connected with the antenna circuit.
4. The device of claim 3, wherein the antenna electrode and the antenna ground of the antenna circuit are both connected to the metal layer by a bonding electrode.
5. The apparatus of claim 3, wherein an insulating layer is disposed under the metal layer at a portion where the second substrate layer is separated from the metal layer.
6. The device of claim 1, wherein the metal foil is positioned on the second side corresponding to the antenna circuit on the first side.
7. The device of claim 6, wherein the area of the metal foil is equal to or larger than the area of the antenna circuit.
8. The device of claim 1, wherein the metal foil is copper foil.
9. The apparatus of claim 1, wherein the metal layer is a copper foil.
10. An electronic device, comprising: the display module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351242.5A CN112965634A (en) | 2021-03-31 | 2021-03-31 | Display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351242.5A CN112965634A (en) | 2021-03-31 | 2021-03-31 | Display module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112965634A true CN112965634A (en) | 2021-06-15 |
Family
ID=76280705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110351242.5A Pending CN112965634A (en) | 2021-03-31 | 2021-03-31 | Display module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112965634A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813373A (en) * | 2016-03-11 | 2016-07-27 | 上海万寅安全环保科技有限公司 | Circuit board of flexible panel |
| CN106231786A (en) * | 2016-09-07 | 2016-12-14 | 奥英光电（苏州）有限公司 | A kind of flexible PCB |
| CN106970680A (en) * | 2016-01-14 | 2017-07-21 | 苏州璨宇光学有限公司 | Display module |
| US20200033968A1 (en) * | 2016-09-29 | 2020-01-30 | Sharp Kabushiki Kaisha | Touch panel display including antenna |
| CN111009723A (en) * | 2018-10-05 | 2020-04-14 | 东友精细化工有限公司 | Antenna structure and display device including the same |
| KR102167154B1 (en) * | 2019-09-11 | 2020-10-16 | 동우 화인켐 주식회사 | Antenna device, touch sensor-antenna module and display device including the same |
| CN112099668A (en) * | 2020-09-11 | 2020-12-18 | 京东方科技集团股份有限公司 | Display screen assembly and electronic equipment with same |
| CN112562503A (en) * | 2019-09-26 | 2021-03-26 | 昆山国显光电有限公司 | Display panel and display terminal |
-
2021
- 2021-03-31 CN CN202110351242.5A patent/CN112965634A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970680A (en) * | 2016-01-14 | 2017-07-21 | 苏州璨宇光学有限公司 | Display module |
| CN105813373A (en) * | 2016-03-11 | 2016-07-27 | 上海万寅安全环保科技有限公司 | Circuit board of flexible panel |
| CN106231786A (en) * | 2016-09-07 | 2016-12-14 | 奥英光电（苏州）有限公司 | A kind of flexible PCB |
| US20200033968A1 (en) * | 2016-09-29 | 2020-01-30 | Sharp Kabushiki Kaisha | Touch panel display including antenna |
| CN111009723A (en) * | 2018-10-05 | 2020-04-14 | 东友精细化工有限公司 | Antenna structure and display device including the same |
| KR102167154B1 (en) * | 2019-09-11 | 2020-10-16 | 동우 화인켐 주식회사 | Antenna device, touch sensor-antenna module and display device including the same |
| CN112562503A (en) * | 2019-09-26 | 2021-03-26 | 昆山国显光电有限公司 | Display panel and display terminal |
| CN112099668A (en) * | 2020-09-11 | 2020-12-18 | 京东方科技集团股份有限公司 | Display screen assembly and electronic equipment with same |
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