CN112612323A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
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- CN112612323A CN112612323A CN202011577650.4A CN202011577650A CN112612323A CN 112612323 A CN112612323 A CN 112612323A CN 202011577650 A CN202011577650 A CN 202011577650A CN 112612323 A CN112612323 A CN 112612323A
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- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1698—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
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- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
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- H04M1/02—Constructional features of telephone sets
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- H—ELECTRICITY
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- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
Abstract
The application discloses display module assembly and electronic equipment belongs to communication technology field. The display module assembly includes first base plate, second base plate, touch-control layer and at least one antenna, wherein: the touch layer and the second substrate are sequentially stacked on the first substrate; the antenna comprises an antenna pattern and a ground line pattern, the antenna pattern is arranged on the peripheral area of the upper surface of the second substrate, the ground line pattern is arranged on the peripheral area of the touch layer, and orthographic projections of the antenna pattern and the ground line pattern on the first substrate are at least partially overlapped. In the embodiment of the application, the touch layer and the ground wire pattern are arranged on the same layer, so that a flexible circuit board of the touch layer can be saved, the integration level is improved, and the design space of the antenna is wider.
Description
Technical Field
The application belongs to the technical field of communication, concretely relates to display module assembly and electronic equipment.
Background
Currently, high frequency communication antennas are typically millimeter antennas, which can be integrated on the screen. In the existing design scheme, an antenna layer is generally manufactured separately and is arranged on the upper surface of the screen, and in addition, in order to improve the antenna effect, a grounding layer needs to be arranged on the back surface of the antenna. The design can increase the thickness of the display module by two layers, which is not beneficial to the lightness and thinness of the display module, and the additional two-layer design can increase the manufacturing process of the display module, so that the cost is higher.
Disclosure of Invention
The embodiment of the application aims to provide a display module and electronic equipment, and the problems that in the prior art, the thickness of a screen antenna is greatly increased, the manufacturing process is increased, and the cost is increased can be solved.
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, which includes a first substrate, a second substrate, a touch layer, and at least one antenna, wherein:
the touch layer and the second substrate are sequentially stacked on the first substrate;
the antenna comprises an antenna pattern and a ground line pattern, the antenna pattern is arranged on the peripheral area of the upper surface of the second substrate, the ground line pattern is arranged on the peripheral area of the touch layer, and orthographic projections of the antenna pattern and the ground line pattern on the first substrate are at least partially overlapped.
Optionally, the method further includes:
the antenna comprises a radio frequency module and a first flexible circuit board, wherein the first flexible circuit board is bent from the side edges of the first substrate and the second substrate to the lower surface of the first substrate, and the antenna pattern is connected with the radio frequency module through the first flexible circuit board.
Optionally, the method further includes:
the second flexible circuit board is connected with the binding area pins of the first substrate, and the touch lead of the touch layer is connected with the binding area pins of the first substrate through at least one conductive pin.
Optionally, the first substrate and the second substrate are adhered to each other through a frame adhesive, and the frame adhesive covers the conductive pins.
Optionally, the ground line pattern and the touch layer are disposed on the same layer and the same material.
Optionally, the ground line pattern and the touch layer are made of transparent conductive materials.
Optionally, the ground line pattern and the antenna pattern are in a grid structure.
Optionally, the antenna pattern is made of a metal material or a metal oxide material.
Optionally, the display module further includes:
the polaroid and the cover plate are sequentially overlapped on one side surface of the second substrate, which is far away from the first substrate.
In a second aspect, an embodiment of the present application provides an electronic device, which includes the display module according to the first aspect.
In the embodiment of the present application, by disposing the touch layer and the ground pattern on the same layer, a flexible circuit board of the touch layer can be saved, the integration level is improved, and the design space of the antenna is wider.
Drawings
Fig. 1 is a schematic structural diagram of a screen antenna in the prior art;
fig. 2 is a schematic view of a display module according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view of area C of FIG. 2;
fig. 4 is a schematic diagram illustrating a position relationship between a touch layer and a ground pattern provided in an embodiment of the present application;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 3;
fig. 6 is a schematic connection diagram of a second flexible circuit board and a touch screen provided in the embodiment of the present application;
FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 6;
fig. 8 is a schematic diagram of an antenna pattern provided in an embodiment of the present application;
fig. 9 is a schematic layout position diagram of an antenna according to an embodiment of the present application.
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 display module and the electronic device provided by the embodiment of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
At present, 5G communication technology is more and more popular, and 5G communication technology puts more demands on terminal antennas. The transmission rate of wireless communication of a terminal is higher and higher, the communication capacity is higher and higher, the carrier frequency is higher and higher, the loss of antenna signals is higher and higher, the loss needs to be reduced by using an array antenna, the array antenna needs to integrate more and more antennas in a limited space, the internal space of the terminal is limited, more antennas than before need to be integrated in the limited space, the higher the frequency band is, the faster the communication speed is, the shorter the length of the antenna is, and millimeter wave communication becomes a hot spot for next extremely-speed communication. For example, the antenna length in the 30GHz band is about 2.5mm, and the antenna length in the 60GHz band is about 1.25 mm.
Fig. 1 is a schematic structural diagram of a screen antenna in the prior art. In some existing solutions, an antenna is integrated on a display screen to save space occupied by the antenna, as shown in fig. 1, an existing high-frequency communication antenna is a millimeter wave antenna, the antenna is integrated on the display screen, specifically, a display lower layer 105, a display upper layer 104, and a touch screen layer 108 are sequentially stacked, the antenna is disposed in a peripheral area above the touch screen layer 108, in order to enhance an antenna effect, the antenna needs to include an antenna layer 106 and a ground plane 107, the antenna layer 106 and the ground plane 107 are insulated from each other, and the ground plane 107 is used for reflecting signal waves; the polarizer 103 and the cover plate 101 are arranged above the antenna layer 106 of the antenna, and the polarizer 103 and the cover plate 101 are fixedly bonded through the optical cement 102. However, the design can increase the thickness of at least two layers of the display module, which is not beneficial to the lightness and thinness of the display module, and the additional two-layer design can increase the manufacturing process of the display module, so that the cost is higher, and the phenomenon of bad products is easy to occur.
Therefore, referring to fig. 2 to 4, fig. 2 is a schematic view of a display module according to an embodiment of the present disclosure, fig. 3 is an enlarged schematic view of a region C in fig. 2, and fig. 4 is a schematic view of a position relationship between a touch layer and a ground pattern according to an embodiment of the present disclosure. As shown in fig. 2 to 4, an embodiment of the present invention provides a display module, which may include a first substrate 207, a second substrate 208, a touch layer and at least one antenna, wherein the touch layer and the second substrate 208 are sequentially stacked on one side surface of the first substrate 207, that is, the antenna may include an antenna pattern 201 and a ground line pattern 202, the antenna pattern 201 is disposed on a peripheral area of an upper surface of the second substrate 208 (i.e., a surface of the second substrate 208 away from the first substrate 207), the ground line pattern 202 is disposed on a same layer as the touch layer, that is, the ground line pattern 202 is disposed on a side surface of the first substrate 207 on which the touch layer is disposed, and the ground line pattern 202 is disposed in a peripheral area of the touch layer, the peripheral area refers to an area not covered by the touch layer, that is a non-touch area, or the ground line pattern 202 and the touch layer are both disposed on a lower surface of the second substrate 208 (i.e., a surface of the second substrate 208 close to the first substrate 208) 207) and the ground pattern 202 is located in a peripheral area of the touch layer, and orthographic projections of the antenna pattern 201 and the ground pattern 202 on the first substrate 207 are at least partially overlapped, thereby improving the overall performance of the antenna by utilizing the reflection of the ground pattern 202 on the signal wave. In addition, since the touch layer is also disposed on the surface of the second substrate 208 away from the first substrate 207, the touch layer and the ground line pattern 202 are both disposed on the surface of the second substrate 208 away from the first substrate 207, and thus, the ground line pattern 202 in the embodiment of the present application may be disposed on the same layer as the touch layer, thereby reducing the number of layers of the display module, improving the light weight and the thinness of the display module, and simultaneously achieving the effects of reducing the manufacturing process of the display module and saving the cost.
As shown in fig. 3, in the embodiment of the application, at least one antenna in the display module has higher and higher carrier frequency, and the loss of the antenna signal is larger and larger, and the loss needs to be reduced by using the array antenna, so that to improve the performance of the antenna, the antenna in the display module may include a plurality of antennas, the plurality of antennas are disposed in the peripheral area of the display module, and the plurality of antennas jointly form the array antenna. The antenna pattern 201 in the embodiment of the present application is a Multiple Input Multiple Output (MIMO) antenna as an example.
As shown in fig. 4, a polarizer 209 and a cover plate 211 are further sequentially disposed on a surface of the second substrate 208 away from the first substrate 207, the polarizer 209 and the cover plate 211 may be connected by a connection layer 210, and optionally, the connection layer 210 may employ an optical double-sided Adhesive (OCA) to ensure light transmittance.
In the embodiment of the present application, the touch layer includes a plurality of first touch electrodes 203 and a plurality of second touch electrodes 204, the plurality of first touch electrodes 203 and the plurality of second touch electrodes 204 are distributed in a determinant, and the first touch electrodes 203 and the second touch electrodes 204 are used for determining touch positions; illustratively, the plurality of first touch electrodes 203 are arranged in a plurality of rows, and the plurality of second touch electrodes 204 are arranged in a plurality of columns, wherein the rows and the columns are distributed in a staggered manner. In the embodiment of the present invention, the antennas are disposed on the periphery of the touch layer, for example, a portion of at least one first touch electrode 203 and/or at least one second touch electrode 204 in an edge area of the touch layer may be left out, for example, a shape with a notch or a groove is formed, so as to place at least one antenna, thereby achieving the purpose of disposing the antenna and the touch layer on the same layer, so as to reduce the thickness of the display module.
Please refer to fig. 5, which is a cross-sectional view of fig. 3 taken along a line a-a. As shown in fig. 5, in the embodiment of the present invention, the first touch electrode 203 may include a plurality of first touch units, and the second touch electrode 204 may include a plurality of second touch units, wherein two adjacent first touch units in the same row are connected to each other by forming a bridge 205 (different from the first touch electrode 203) through a bridge process, two adjacent second touch units in the same column are directly connected to each other by a connecting bridge 206 formed in the same layer, and the insulating layer 214 is used to isolate the connection between the first touch electrode 203 and the second touch electrode 204.
In this embodiment, the display module further includes a radio frequency module and a first flexible circuit board 212, one end of the first flexible circuit board 212 is connected to the antenna pattern 201 in the antenna, and then bends and extends from the side edges of the first substrate 207 and the second substrate 208 to the lower surface (the surface far away from the second substrate 208) of the first substrate 207, and finally the other end of the first flexible circuit board 212 is connected to the radio frequency module. Through the connection mode, the signal received by the antenna can be transmitted to the radio frequency module with the lowest loss. Optionally, the radio frequency module may include a radio frequency processor.
Referring to fig. 6 and 7, fig. 6 is a schematic connection diagram of a second flexible circuit board and a touch screen according to an embodiment of the present disclosure, and fig. 7 is a schematic cross-sectional view taken along a line B-B in fig. 6. As shown in fig. 6 and 7, the display module further includes a second flexible circuit board 213, a bonding area pin 215 is disposed on a surface of the first substrate 207 close to the second substrate 208, one end of the second flexible circuit board 213 is connected to the bonding area pin 215, the touch layer is connected to a touch lead 218 disposed in a peripheral area thereof, the touch lead 218 is further connected to the bonding area pin 215 through at least one conductive pin 217, so that a touch signal of the touch layer is transmitted from the other end of the second flexible circuit board 213 to a corresponding device, and thus, the number of flexible circuit boards and one-time bonding processes of one touch layer can be reduced, the sealing performance of the trace is better, and the corrosion failure of the trace is reduced; the first substrate 207 and the second substrate 208 are fixed and sealed by the sealant 216, the sealant 216 may be configured to be M-shaped groove type design, and the plurality of conductive pins 217 are wrapped by the sealant 216, so that the plurality of conductive pins 217 are isolated from each other, and short circuit is avoided. Alternatively, the conductive pin 217 may be a conductive material such as a conductive gold ball or solder paste.
Please refer to fig. 8, which is a schematic diagram of an antenna pattern provided in an embodiment of the present application. In this embodiment, optionally, the antenna pattern 201 and the ground pattern 202 may have a metal grid structure, and the antenna pattern 201 may have a rectangular fan shape, so as to reduce the occupied space and the weight of the antenna, and not affect the display transmittance. In the embodiment of the application, the width and the gap of the metal grid can be adjusted according to requirements, the width of a common metal wire is 0.1-30 μm, and the gap is 30-50 μm; the thickness of each layer of the display module can be adjusted between 0.1 μm and 200 μm according to requirements.
In some embodiments of the present application, the ground line pattern 202 and the touch layer may be made of transparent conductive materials to ensure that the ground line pattern 202 can reflect signal waves, and the touch layer may sense a touch position and does not affect the display effect of the display module.
Optionally, in this embodiment, the ground line pattern 202, the first touch electrode 203, and the second touch electrode 204 may be made of conductive transparent indium tin oxide, metal mesh, nano-coating, or other materials; the insulating layer 214 may be made of an insulating material such as silicon dioxide, silicon oxynitride, or organic resin; the bridge 205, the antenna pattern 201, and the like may employ a metal oxide conductive layer, or may employ a metal conductive layer such as molybdenum, aluminum, titanium, silver, and the like.
Please refer to fig. 9, which is a schematic diagram of a layout position of an antenna according to an embodiment of the present application. As shown in fig. 9, in the embodiment of the present invention, the second substrate 208 may have a rectangular shape, and the at least one antenna may be disposed on a long side or a short side of the second substrate 208 on a side away from the first substrate 207, and the touch layer leads out the touch signal through the conductive pins 217, the bonding area pins 215, the second flexible circuit board 213, and the like.
In the embodiment of the application, the touch layer is arranged on the upper surface of the second substrate and arranged on the same layer with the ground wire pattern, so that a flexible circuit board of the touch layer can be saved, the integration level is improved, the design space of the antenna is wider, the thickness of the display module can be reduced, and the sealing performance of the display module package can be improved.
An embodiment of another aspect of the present application further provides an electronic device, where the electronic device includes the display module described in the above embodiment. Because the display module in the above embodiment has the above beneficial effects, the electronic device in the embodiment of the present application also has the above beneficial effects, and is not repeated herein for avoiding repetition.
The electronic device in the embodiment of the present application may be a mobile electronic device, and may also be a non-mobile electronic device. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a Personal Computer (PC), a Television (TV), a teller machine, a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, features described with reference to certain examples may be combined in other examples.
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. The utility model provides a display module assembly which characterized in that, includes first base plate, second base plate, touch-control layer and at least one antenna, wherein:
the touch layer and the second substrate are sequentially stacked on the first substrate;
the antenna comprises an antenna pattern and a ground line pattern, the antenna pattern is arranged on the peripheral area of the upper surface of the second substrate, the ground line pattern is arranged on the peripheral area of the touch layer, and orthographic projections of the antenna pattern and the ground line pattern on the first substrate are at least partially overlapped.
2. The display module of claim 1, further comprising:
the antenna comprises a radio frequency module and a first flexible circuit board, wherein the first flexible circuit board is bent from the side edges of the first substrate and the second substrate to the lower surface of the first substrate, and the antenna pattern is connected with the radio frequency module through the first flexible circuit board.
3. The display module of claim 1, further comprising:
the second flexible circuit board is connected with the binding area pins of the first substrate, and the touch lead of the touch layer is connected with the binding area pins of the first substrate through at least one conductive pin.
4. The display module of claim 3, wherein the first substrate and the second substrate are bonded together by a sealant, and the sealant covers the conductive pins.
5. The display module as claimed in claim 1, wherein the ground pattern and the touch layer are formed of the same material on the same layer.
6. The display module of claim 1, wherein the ground pattern and the touch layer are made of transparent conductive materials.
7. The display module according to claim 1, wherein the ground line pattern and the antenna pattern are in a mesh-like structure.
8. The display module of claim 7, wherein the antenna pattern is a metal or metal oxide.
9. The display module of claim 1, further comprising:
the polaroid and the cover plate are sequentially overlapped on one side surface of the second substrate, which is far away from the first substrate.
10. An electronic device comprising the display module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011577650.4A CN112612323A (en) | 2020-12-28 | 2020-12-28 | Display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011577650.4A CN112612323A (en) | 2020-12-28 | 2020-12-28 | Display module and electronic equipment |
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| CN113299184A (en) * | 2021-05-21 | 2021-08-24 | 维沃移动通信有限公司 | Display module and electronic equipment |
| WO2022262761A1 (en) * | 2021-06-18 | 2022-12-22 | 维沃移动通信有限公司 | Touch control structure, display assembly and electronic device |
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