CN114898659A

CN114898659A - Display module and electronic equipment

Info

Publication number: CN114898659A
Application number: CN202210403951.8A
Authority: CN
Inventors: 喻俊峰; 王涛; 邱红兵
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-12
Anticipated expiration: 2042-04-18
Also published as: CN114898659B; WO2023202432A1

Abstract

The embodiment of the application discloses display module assembly and electronic equipment, display module assembly includes: the display panel is arranged on the middle frame, and the middle frame is provided with an antenna unit; the display panel comprises a cover plate, a first substrate and a second substrate, wherein the cover plate is arranged on the display panel, a first surface of the cover plate is opposite to a display surface of the display panel, the cover plate comprises a first area overlapped with the display panel and a second area positioned around the first area, and the first area comprises a display area and a non-display area positioned around the display area; this display module assembly still includes: the first conducting layer and the second conducting layer are connected; the first conducting layer is arranged on the first surface of the non-display area of the cover plate; the second region includes: the projection of the antenna unit on the cover plate is positioned in the first sub-region; the second conducting layer is arranged on the first surface of the second subregion of the cover plate; and the conductive connecting part is used for conducting the second conductive layer and the grounding plate. Thereby, the influence of the conductive layer on the antenna headroom is reduced.

Description

Display module and electronic equipment

Technical Field

The embodiment of the application relates to the technical field of display, in particular to a display module and electronic equipment.

Background

At present, flexible screens are widely used in the field of display technology as screens for electronic devices. The screen surface of electronic equipment can rub in use and produce the negative charge, and the negative charge is mutually exclusive and is removed, because there is the gap between flexible screen and the center, the electric charge passes through gap conduction diffusion to the panel for screen edge takes place green screen phenomenon at first, along with the further accumulation of electric charge, and then appears whole screen and turn green and flash the screen phenomenon.

Fig. 1 is a schematic structural diagram of a display module. As shown in fig. 1, the display module includes: the display panel comprises a cover plate 100, a display panel 200 and a support member 300 which are arranged in a stacked mode, wherein a metal layer 500 is arranged on one side, away from the display panel, of the support member, conductive liquid 400 is coated on the left side and the right side of the display module (the coating path is shown by a dotted line), the cover plate 100 and the metal layer 500 are wrapped by the conductive liquid 400, negative charges on the cover plate 100 can be guided to the metal layer 500 by the conductive liquid 400, and the metal layer 500 is communicated with a middle frame, so that protection is formed on the display panel 200, and the display panel 200 is prevented from being interfered by the charges on the cover plate 100.

For example, as shown in fig. 1, the display module is disposed on a middle frame 600, an antenna unit 700 is further disposed on the middle frame 600, the clearance of the antenna unit is d1 before the conductive liquid 400 is disposed, and the clearance of the antenna unit is d2 after the conductive liquid is disposed. Wherein d1 is the distance between the display panel 200 and the antenna unit 700, and d2 is the distance between the conductive liquid 400 and the antenna unit 700, as can be seen from fig. 1, d2 is smaller than d1, that is, the antenna clearance is affected by the conductive liquid, so that the position of the conductive liquid on the display module generates electromagnetic shielding, thereby affecting the antenna performance.

Disclosure of Invention

The embodiment of the application provides a display module assembly and electronic equipment, has solved the problem that conducting solution influences the antenna headroom.

In order to achieve the purpose, the technical scheme is as follows:

in a first aspect of the embodiments of the present application, a display module is provided, which includes: the display panel is arranged on the middle frame, and the middle frame is provided with an antenna unit; the display device comprises a cover plate, a first display panel and a second display panel, wherein the cover plate is arranged on the display panel, a first surface of the cover plate is opposite to a display surface of the display panel, the cover plate comprises a first area overlapped with the display panel and a second area positioned around the first area, and the first area comprises a display area and a non-display area positioned around the display area; this display module assembly still includes: the first conducting layer and the second conducting layer are connected; the first conducting layer is arranged on the first surface of the non-display area of the cover plate; the second region includes: the projection of the antenna unit on the cover plate is positioned in the first sub-area; the second conducting layer is arranged on the first surface of the second subregion of the cover plate; and the conductive connecting part is used for conducting the second conductive layer and the grounding plate. Therefore, negative charges generated on the cover plate can be conducted to the grounding plate by avoiding the display panel through the first conducting layer, the second conducting layer and the conducting connecting part. Meanwhile, the first conducting layer is arranged in the non-display area of the cover plate, the second conducting layer is arranged in the second sub-area M2, the second conducting layer can be connected through the first conducting layer, the area of the conducting layer is increased, the conducting performance is improved, the problem of green screen of a display screen is solved, meanwhile, the conducting layer is not arranged in the area of the cover plate opposite to the antenna, and the influence of the conducting layer on the clearance of the antenna is reduced. In addition, the apron among this display module assembly and display panel's side is not at the coplanar, and it is higher to scribble the conducting liquid degree of difficulty in the display module assembly side among the prior art, and this application embodiment is for scribbling the conducting layer at the plane, and the technical difficulty reduces, and the precision is changeed control.

In an alternative implementation, the first conductive layer includes a conductive ink. Wherein, first conducting layer contacts with display panel, and conductive ink mobility is lower, and first conducting layer adopts conductive ink, can avoid extrudeing conductive ink to other positions, and from this, the precision is changeed the control, avoids influencing display panel display performance.

In an alternative implementation, the second conductive layer includes one of a conductive ink and a conductive liquid. The second conductive layer is not in contact with the display panel, and any conductive layer can be selected. Therefore, the second conducting layer has more material choices and more flexible structure.

In an alternative implementation, the second conductive layer further includes a side conductive layer disposed at a side of the cover plate. Therefore, the area of the conducting layer is increased, the conducting performance is improved, and the electric charges on the surface of the flow guide cover plate can be better.

In an alternative implementation, the ground plate is located in the middle frame. Therefore, the metal on the middle frame can be shared, a grounding plate does not need to be additionally arranged, and the space is saved.

In an alternative implementation, the conductive connection includes a metal post when the ground plate is positioned in the middle frame. Therefore, the metal column is used as the conductive connecting part, the structure is simple, and the realization is easy.

In an alternative implementation, when the ground plate is positioned on the middle frame, the conductive connection part comprises a conductive liquid. Therefore, the conducting liquid is used as the conducting connecting part, so that the occupied space is small, and the space is saved.

In an alternative implementation, a support member is disposed between the display panel and the middle frame. From this, can support the display module assembly on the center, can protect the display module assembly simultaneously.

In an alternative implementation, the support comprises the ground plate, which is arranged close to the middle frame. Therefore, the metal on the support can be shared, a grounding plate does not need to be additionally arranged, and the space is saved.

In an optional implementation, when the supporting member includes the grounding plate, the conductive connecting portion includes a conductive liquid, and the conductive liquid wraps the side surface of the display module between the second conductive layer and the grounding plate. Therefore, the conducting liquid is used as the conducting connecting part, so that the occupied space is small, and the space is saved.

In an alternative implementation, the cover plate is connected to the display panel by an optical glue. Therefore, the cover plate and the display panel are connected into a whole.

In an alternative implementation, the support is connected to the display panel by a grid glue. Therefore, the supporting piece and the display panel can be connected into a whole.

In a second aspect of the embodiments of the present application, there is provided an electronic device, including: the center to and as above the display module assembly, this center includes: the electronic device comprises a bearing plate and a frame surrounding the bearing plate, wherein the frame is arranged around the periphery of the electronic device. Therefore, the electronic equipment adopts the display module, and the influence of the conductive layer on the clearance of the antenna can be reduced.

In an optional implementation manner, the display module is connected with the middle frame through gap-filling glue. Therefore, the display module can be fixed on the middle frame.

In an alternative implementation, the antenna unit includes: the conductive frame is arranged on the frame. Therefore, the antenna unit is arranged on the frame, and the space is saved.

In an optional implementation manner, the frame is made of an insulating material. Therefore, the conductive frame is convenient to adjust.

In an optional implementation manner, the frame is made of a conductive material, and the conductive frame is a part of the frame. Thereby, more space is saved.

The display module assembly and the electronic equipment that this application embodiment provided, through set up the conducting layer in the non-antenna area of apron first surface, can avoid display panel drainage to the earth plate with the electric charge on apron surface, have solved the green screen problem of display screen, and the conducting layer simple process is scribbled to the plane. Meanwhile, the conducting layer is not arranged in the area of the cover plate facing the antenna, so that the influence of the conducting layer on the clearance of the antenna is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a display module;

fig. 2 is a schematic disassembled structure diagram of an electronic device according to an embodiment of the present disclosure;

fig. 3 is a schematic partial structure diagram of a display module according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a middle frame according to an embodiment of the present application;

fig. 5 is a schematic view of a disassembled structure of a display module and a middle frame according to an embodiment of the present disclosure;

FIG. 6 is a D-D cross-sectional view of the display module and the middle frame of FIG. 5;

FIG. 7 is a C-C cross-sectional view of the display module and the middle frame of FIG. 5;

fig. 8 is a schematic structural diagram illustrating a display panel according to an exemplary embodiment;

fig. 9 is a D-D sectional view illustrating a display module and a middle frame according to an exemplary embodiment;

fig. 10 is a schematic structural view illustrating another display panel provided in the first embodiment;

FIG. 11 is a D-D cross-sectional view of a display module and a middle frame according to example two;

fig. 12 is a D-D cross-sectional view of a display module and a middle frame provided in example three.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail with reference to the accompanying drawings.

In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

Further, in the present application, directional terms such as "upper" and "lower" are defined with respect to a schematically-disposed orientation of components in the drawings, and it is to be understood that these directional terms are relative concepts that are used for descriptive and clarity purposes and that will vary accordingly with respect to the orientation in which the components are disposed in the drawings.

And (3) electrically connecting: it is understood that the components are physically and electrically contacted, and the connection between different components in the circuit structure is also understood as a form of physical circuit that can transmit electrical signals, such as a PCB metal layer or a wire. The term "connected" refers to a mechanical structure or a physical structure connected to each other.

Coupling: refers to the phenomenon that two or more circuit elements or inputs and outputs of an electrical network have a close fit and interaction, and transfer energy from one side to the other side through the interaction.

Conduction: the signal/energy transmission is performed by conducting or communicating two or more components through the above "electrical connection" or "coupling connection", which may be referred to as conduction.

Antenna headroom: refers to the distance between the antenna radiator and the reference ground. In the embodiments of the present application, since the conductive layer shields electromagnetic waves radiated from the antenna, the antenna clearance refers to a distance between the antenna radiator and the conductive layer.

The embodiment of the application provides electronic equipment. The electronic equipment can be a tablet computer, a mobile phone, an electronic reader, a remote controller, a Personal Computer (PC), a notebook computer, a Personal Digital Assistant (PDA), a vehicle-mounted device, a network television, a wearable device, a television and other products with a display interface, and intelligent display wearing products such as an intelligent watch and an intelligent bracelet. The embodiment of the present application does not specifically limit the form of the electronic device. For convenience of description, the following embodiments are all exemplified by taking an electronic device as a mobile phone.

As shown in fig. 2, the electronic device 1 includes a display module 10, a middle frame 11, and a housing (or referred to as a battery cover or a rear case) 12. The middle frame 11 is located between the display module 10 and the housing 12.

The display module 10 is used for displaying images.

The middle frame 11 is located between the display module 10 and the housing 12, and a surface of the middle frame 11 away from the display module 10 is used for mounting internal components such as a battery, a Printed Circuit Board (PCB), a camera (camera), and an antenna. After the housing 12 is covered with the middle frame 11, the internal components are located between the housing 12 and the middle frame 11.

As shown in fig. 2 and 3, the middle frame 11 includes a bearing plate 110 and a frame 112 surrounding the bearing plate 110.

The surface of the carrier plate 110 facing the housing 12 may be provided with a Printed Circuit Board (PCB), a camera, a battery, and other electronic devices. Wherein the camera is not shown in the figure. The housing 12 is connected to the middle frame 11 to form a cavity for accommodating the electronic devices such as the PCB, the camera, and the battery. Thereby preventing the outside water vapor and dust from invading into the containing cavity and influencing the performance of the electronic device.

The display module 10 can be electrically connected to the PCB disposed on the carrier board 110 by a Flexible Printed Circuit (FPC) shown in fig. 2 after passing through the carrier board 110. Therefore, the PCB can transmit the display data to the display module 10 to control the display module 10 to display images.

Illustratively, as shown in fig. 3, the carrier plate 110 is provided with a main board 1100, a battery 1102 and a small board 1104.

The display module 10, the middle frame 11, and the housing 12 may be disposed on different layers in a thickness direction of the electronic device, the layers may be parallel to each other, a plane on which each layer is located may be referred to as an X-Y plane, and a direction perpendicular to the X-Y plane may be referred to as a Z direction. That is, the display module 10, the middle frame 11, and the housing 12 may be layered in the Z direction.

In addition, the electronic device further includes an antenna unit 1121 as shown in fig. 3. The antenna unit 1121 is used for transmitting and receiving electromagnetic waves to implement communication.

Illustratively, as shown in fig. 3, the antenna element 1121 includes: a conductive bezel disposed on bezel 112.

Referring next to fig. 3, bezel 112 also includes non-antenna region 1122.

In some embodiments, the conductive bezel is part of bezel 112 and may be integrally formed with bezel 112.

It should be appreciated that in other embodiments, the conductive bezel and bezel 112 may be separate, for example, the conductive bezel and bezel 112 may be formed separately from different materials, for example, the conductive bezel is formed from a conductive material and the bezel 112 is formed from a non-conductive material.

The embodiment of the present application does not limit the structure of the display module 10.

Fig. 4 is a schematic partial structure diagram of a display module according to an embodiment of the present disclosure. As shown in fig. 4, the display module 10 at least includes: a cover plate 101 and a display panel 102.

The display panel 102 has a display surface a1 on which a display screen can be viewed and a rear surface a2 provided opposite to the display surface a1, and the rear surface a2 of the display panel 102 is close to the middle frame. The display panel has a display surface a1 provided with a polarizer 1021, for example, and a back surface a2 provided with a back film 1022, for example.

In one possible embodiment of the present application, the display panel 102 is an Organic Light Emitting Diode (OLED) display panel. Because the electroluminescent layer is arranged in each luminous sub-pixel in the OLED display panel, the OLED display panel can realize self-luminescence after receiving the working voltage.

The cover plate 101 is located on the light emitting side of the display panel 102, and the cover plate 101 may be, for example, Cover Glass (CG), which may have certain toughness.

The cover 101 includes a first surface and a second surface opposite to each other, and the first surface of the cover 101 is close to the display surface a1 of the display panel 102.

The connection manner between the cover plate 101 and the display panel 102 is not limited in the embodiment of the present application. Illustratively, in some embodiments of the present application, the cover plate 101 is coupled to the display panel 102 by an optical glue 103.

In some embodiments, as shown in fig. 4, the display module 10 further includes a support member 104, the support member 104 is disposed between the display panel 102 and the middle frame, and the support member 104 is used for supporting the display panel 102.

The connection manner of the supporting member 104 and the display panel 102 is not limited in the embodiments of the present application, and in some embodiments of the present application, the supporting member 104 may be connected to the display panel through the grid glue 105.

The embodiment of the application does not limit the material of the supporting piece. In some embodiments of the present application, the support 104 comprises foam.

In an example, a polymer material 1041 is further disposed on a surface of the supporting member 104 close to the middle frame. The polymer material 1041 is used for supporting the display module.

In addition, as shown in fig. 4, a second metal layer 1042 is further disposed on the polymer material 1041 near the surface of the middle frame.

In the embodiment of the present application, the material of the second metal layer 1042 is not limited, and for example, the second metal layer 1042 includes: copper foil. The second metal layer 1042 is in contact with the middle frame and can conduct charges to the ground plate of the middle frame.

Wherein, to the flexible screen cell-phone, there is the gap between display module assembly and the center, and the electric charge on display module assembly surface passes through gap conduction diffusion to display panel 102 for display panel 102 border takes place green screen phenomenon at first, along with the further accumulation of electric charge, and then the whole screen of appearance turns green and the phenomenon of twinkling of a screen.

In order to solve the problem of green screen of the display screen and avoid affecting the headroom of the antenna unit 1121, the embodiment of the present application provides an improved display module.

Fig. 5 is a schematic view of a disassembled structure of a display module and a middle frame according to an embodiment of the present disclosure. As shown in fig. 5, the display module at least comprises: a display panel 102 and a cover plate 101.

Referring to fig. 5, the display panel 102 includes a first display area a and a first non-display area B located at a periphery of the first display area a.

The relative position relationship and the shape of the first display area a and the first non-display area B are not limited, and the first non-display area B surrounds the first display area a for a circle in the embodiment of the present application.

Illustratively, driving circuits for driving the display panel 102 to display images, such as a source driving circuit, a gate driving circuit, etc., are disposed in the first non-display region B.

Referring next to fig. 5, the first surface of the cover 101 is adjacent to the display surface a1 of the display panel 102. The cover 101 includes a first region S overlapping the display panel 102, and a second region M located around the first region S.

Wherein the first area S includes a second display area a ' and a second non-display area B ' located around the second display area a '.

Illustratively, the projection of the first display area a on the cover 101 overlaps the second display area a ', and the projection of the first non-display area B on the cover 101 overlaps the second non-display area B'.

The second region M includes: a first sub-region M1 and a second sub-region M2.

As shown in fig. 5, the middle frame 11 includes: the bezel 112 includes an antenna unit 1121 and a non-antenna region 1122 provided on the bezel 112.

Illustratively, the projection of the antenna element 1121 on the cover 101 is located in the first sub-region M1.

The number of the antenna elements 1121 is not limited in the embodiments of the present application. The number of the antenna elements 1121 may be 1 or more.

Illustratively, as shown in fig. 5, the number of antenna elements 1121 is 2, and the 2 antenna elements are separated by a non-antenna region 1122 of the middle frame 11. As shown in fig. 5, the projections of the 2 antenna elements 1121 on the panel are located in the first sub-region M1, and the first sub-region M1 is separated by the second sub-region M2, so that the first sub-region M1 and the second sub-region M2 are spaced around the first region S.

In addition, the display module 10 further includes: a first conductive layer 1001 and a second conductive layer 1002 are connected.

Referring next to fig. 5, a first conductive layer 1001 is disposed on a first surface of the second non-display region B' of the cover plate 101 (the cover plate 101 is generally a transparent structure, and a perspective drawing is used in fig. 5).

The second conductive layer 1002 is disposed on a first surface of the second sub-area M2 of the cover plate 101.

When the second sub-region M2 is plural, the first conductive layer 1001 may connect the second conductive layers 1002 of the second sub-region M2, so that the area of the conductive layers is increased, and the conductive performance is improved.

Fig. 6 is a D-D sectional view of the display module and the middle frame of fig. 5. As shown in fig. 6, the display module further includes: and a conductive connection portion 1, wherein the conductive connection portion 1 is used for conducting the second conductive layer 1002 and the ground plate.

Referring to fig. 6, the charge path on the surface of the cover plate 101 is sequentially: the electric charges flow to the second conductive layer 1002 along the side surface of the cover plate 101 and flow from the second conductive layer 1002 to the first conductive layer 1001, when the electric charges are accumulated to a certain degree on the first conductive layer 1001 and the second conductive layer 1002, the second conductive layer 1002 is conducted to the conductive connection portion 1, and the electric charges are guided to the ground plate by the conductive connection portion (see the metal post 1071 in fig. 6), so as to achieve grounding.

Therefore, negative charges generated on the cover plate can be avoided from being drained to the grounding plate by the display panel 102, the charges are prevented from being conducted to the display panel, and the display panel can be protected.

Fig. 7 is a C-C sectional view of the display module and the middle frame of fig. 5. As shown in fig. 7, at the position C-C of the cover 101, which is located opposite to the antenna element of the middle frame, where only the first conductive layer 1001 is located, and the second conductive layer and the conductive connection portion are not located, the clearance of the antenna element is D, where D is the distance between the antenna element 1121 and the first conductive layer 1001, and D is greater than D2 compared to fig. 1.

Therefore, the influence of the conductive layer on the antenna clearance is reduced, and the antenna performance is prevented from being influenced.

The display module that this application embodiment provided sets up first conducting layer at apron non-display area to and set up the second conducting layer at second subregion M2, can couple together the second conducting layer through first conducting layer, not only increased the conducting layer area, can also avoid display panel drainage to the ground plate with the negative charge that produces on the apron, avoid electric charge to conduct to display panel, can protect display panel. Meanwhile, the conducting layer is not arranged in the area of the cover plate facing the antenna, so that the influence of the conducting layer on the clearance of the antenna is reduced.

In addition, the apron among this display module assembly and display panel's side is not at the coplanar, and it is higher to scribble the conducting liquid degree of difficulty in the display module assembly side among the prior art, and this application embodiment is for scribbling the conducting layer at the plane, and the technical difficulty reduces, and the precision is changeed control.

Referring to fig. 6, a side conductive layer 1003 is further disposed on the display module 10, and the side conductive layer 1003 is disposed on a side surface of the cover plate 101.

The side surface of the cover 101 is divided into a first region facing the antenna element 1121 and a second region facing the non-antenna region 1122, and the side surface conductive layer 1003 is disposed only in the second region.

Therefore, the area of the conducting layer is further increased by arranging the side conducting layer, the electric charges on the surface of the cover plate can be better guided to the grounding plate, and the conducting performance is improved.

The structure of the conductive connecting part is not limited in the embodiment of the application.

In some embodiments, as shown in fig. 6, the conductive connection part includes: metal posts 1071.

In other embodiments, as shown in fig. 11, 12, the conductive connection includes a conductive liquid 1072.

The structure of the grounding plate is not limited in the embodiments of the present application. The ground plane may be any metal layer inside the electronic device, and in some embodiments, as shown in fig. 6 and 11, the ground plane is a first metal layer 1101 disposed on the middle frame 11. In this case, the conductive connection portion may be a metal pillar as shown in fig. 6, or may be a conductive liquid as shown in fig. 11.

It should be noted that, in the embodiments of the present application, the material of the middle frame is not limited. In some embodiments, the middle frame is made of a metal material, and the first metal layer 1101 is a part of the middle frame 11 and may be integrally formed with the middle frame 11.

It should be understood that, in other embodiments, the first metal layer 1101 and the middle frame 11 may be independent, for example, the first metal layer 1101 and the middle frame 11 may be formed separately by using different materials, for example, the first metal layer 1101 is formed by a metal material, the middle frame 11 is formed by a non-conductive material, for example, by a plastic material, a groove may be formed on a surface of the middle frame 11 facing the display module, the first metal layer 1101 is disposed in the groove, and a surface of the first metal layer 1101 is exposed.

As shown in fig. 6, the display module 10 is connected to the middle frame through the gap-filling glue 106, and the second conductive layer 1002 is in contact with the gap-filling glue 106. The conductive connection portion may be electrically connected to the second conductive layer 1002 through the gap filling adhesive 106.

The embodiment of the present application does not limit the material of the gap filling glue 106. In some embodiments, the caulk comprises: and (3) conductive adhesive. So that the conductive connection part is electrically connected to the second conductive layer 1002 through the gap filling paste 106.

In other embodiments, the gap-filling glue 106 is made of an insulating material, and the conductive connecting portion may contact with the gap-filling glue at one end and connect with the ground plate at the other end, so that the conductive connecting portion is electrically connected with the second conductive layer 1002 by coupling.

It should be noted that the surface of the gap-filling glue 106 is not subjected to an anodic treatment, so as to ensure the conductivity of the gap-filling glue.

In other embodiments, as shown in fig. 11, the ground plane is a second metal layer 1042 disposed on the display module 10. At this time, the conductive connection portion may use a conductive liquid 1072 as shown in fig. 12, and the conductive liquid 1072 wraps the side surface of the display module between the second conductive layer 1002 and the second metal layer 1042.

The structure of the second metal layer 1042 is not limited in this embodiment. For example, as shown in fig. 3, the material of the second metal layer 1042 includes: copper. The second metal layer 1042 may be a copper foil disposed on the polymer material 1041 near the surface of the middle frame. The second metal layer 1042 may be connected to a ground plane of the middle frame 11 to achieve grounding.

The material of the first conductive layer 1001 and the second conductive layer 1002 is not limited in the embodiment of the present application. In some embodiments, as shown in fig. 8, 10, the stripes represent conductive ink and the solid colors represent conductive fluid.

The conductive ink has lower fluidity than the conductive liquid.

Referring to fig. 8 and 10, the first conductive layer 1001 includes conductive ink. Wherein, first conducting layer 1001 contacts with display panel, and conductive ink mobility is lower, and first conducting layer 1001 adopts conductive ink, can avoid extrudeing conductive ink to other positions, has reduced the technical degree of difficulty of scribbling first conducting layer, and the precision is changeed the control.

The embodiment of the present application does not limit the material of the second conductive layer 1002, and the second conductive layer 1002 includes at least one of conductive ink or conductive liquid.

As shown in fig. 8, the second conductive layer 1002 is a conductive ink.

As shown in fig. 10, the second conductive layer 1002 uses a conductive liquid.

The second conductive layer is not in contact with the display panel, and any conductive layer can be selected.

From this, compare with prior art, through introducing electrically conductive printing ink, the coating sets up the degree of difficulty and reduces, and the precision is changeed control.

The structure of the display module of the present application is described below with reference to example one, example two, and example three.

Fig. 6 is a D-D sectional view of the display module and the middle frame of fig. 5. Fig. 7 is a C-C sectional view of the display module and the middle frame of fig. 5. Fig. 8 is a schematic structural diagram illustrating another display panel provided in the first embodiment. Fig. 9 is a D-D cross-sectional view illustrating another display module and a middle frame according to the first embodiment. Fig. 10 is a schematic structural diagram illustrating another display panel provided in the first embodiment.

As shown in fig. 6 and 9, the display module 10 includes: a display panel 102 and a cover plate 101 are stacked. The display module is connected to the middle frame 11 through a gap-filling adhesive 106.

A first conductive layer 1001 is disposed on a first surface of the cover plate 101 in the non-display region B'.

The first surface of the second sub-area M2 of the cover plate 101 is provided with a second conductive layer 1002.

The non-antenna area of the side of the cover plate 101 is provided with a side conductive layer 1003. The first conductive layer 1001, the second conductive layer 1002, and the side conductive layer 1003 are connected.

In some embodiments of example one, as shown in fig. 6, 7, and 8, the first conductive layer 1001, the second conductive layer 1002, and the side conductive layer 1003 respectively include: and (3) conductive ink.

In other embodiments of example one, as shown in fig. 9 and 10, the first conductive layer 1001 includes: and (3) conductive ink. The second conductive layer 1002 and the side conductive layer 1003 respectively include: and (4) a conductive liquid.

Wherein, first conducting layer 1001 contacts with display panel, and conductive ink mobility is lower, and first conducting layer 1001 adopts conductive ink, can avoid extrudeing conductive ink to other positions, has reduced the technical degree of difficulty of scribbling first conducting layer, and the precision is changeed the control.

The second conductive layer 1002 and the side conductive layer 1003 are not in contact with the display panel, and any conductive layer can be selected.

This display module assembly still includes: a ground plate, the ground plate comprising: a first metal layer 1101 disposed on the middle frame 11.

In addition, this display module assembly still includes: a conductive connection portion including: and a metal pillar having one end in contact with the gap filling paste 106 and the other end in contact with the first metal layer 1101.

In operation, as shown in fig. 6, the surface friction of the cover plate 101 generates negative charges, the negative charges repel each other and move, and diffuse to the edge of the cover plate 101 through charge conduction, and then conduct with the side conductive layer 1003 along the side surface of the cover plate 101, flow to the second conductive layer 1002 along the side conductive layer 1003, and flow from the second conductive layer 1002 to the first conductive layer 1001, when the charges on the first conductive layer 1001 and the second conductive layer 1002 are accumulated to a certain extent, the first conductive layer 1001 and the second conductive layer 1002 are connected to the metal posts 1071 through the gap-filling glue 106, and the charges are guided to the first metal layer 1101 through the metal posts 1071, so as to achieve grounding.

Therefore, in the display module provided in the first example, the metal posts 1071 are used as the conductive connection portions to connect the second conductive layer 1002 and the first metal layer 1101, so that the connection stability is higher.

Example two

Fig. 11 is a D-D cross-sectional view of a display module and a middle frame provided in example two.

As shown in fig. 11, the display module 10 includes: a display panel 102 and a cover plate 101 are stacked. The display module is connected to the middle frame 11 through a gap-filling adhesive 106.

The side surface of the cover plate 101 is provided with a side conductive layer 1003. The first conductive layer 1001, the second conductive layer 1002, and the side conductive layer 1003 are connected.

In some embodiments of example two, the first conductive layer 1001, the second conductive layer 1002, and the side conductive layer 1003 each include: and (3) conductive ink.

The structures of the first conductive layer 1001, the second conductive layer 1002, and the side conductive layer 1003 can refer to fig. 6, fig. 7, and fig. 8 in example one, and are not repeated here.

In other embodiments of example two, first conductive layer 1001 includes: and (3) conductive ink. The second conductive layer 1002 and the side conductive layer 1003 respectively include: and (4) a conductive liquid.

The structures of the first conductive layer 1001, the second conductive layer 1002, and the side conductive layer 1003 can refer to fig. 9 and 10 in example one, and are not described herein again.

This display module assembly still includes: a conductive connection portion including: and a conductive liquid 1072 that connects second conductive layer 1002 and first metal layer 1101.

When the cover plate works, negative charges are generated by surface friction of the cover plate 101, the negative charges repel each other and move to the edge of the cover plate 101 through charge conduction and diffusion, then the negative charges are conducted with the side conductive layer 1003 along the side surface of the cover plate 101, flow to the second conductive layer 1002 along the side conductive layer 1003, and flow to the first conductive layer 1001 through the second conductive layer 1002, when the charges on the first conductive layer 1001 and the second conductive layer 1002 are accumulated to a certain degree, the charges are conducted with the conductive liquid 1072 through the second conductive layer 1002, and are guided to the first metal layer 1101 through the conductive liquid 1072, so that grounding is realized.

Therefore, in the display module provided in example two, the conductive liquid 1072 is used as a conductive connection portion to connect the second conductive layer 1002 and the first metal layer 1101, which further saves space.

Example three

As shown in fig. 12, the display module 10 includes: a display panel 102 and a cover plate 101 are stacked. The display module is connected to the middle frame 11 through a gap-filling adhesive 106.

In some embodiments of example three, the first conductive layer 1001, the second conductive layer 1002, and the side conductive layer 1003 each include: and (3) conductive ink.

In other embodiments of example three, the first conductive layer 1001 includes: and (3) conductive ink. The second conductive layer 1002 and the side conductive layer 1003 respectively include: and (4) a conductive liquid.

This display module assembly still includes: a ground plate, the ground plate comprising: a second metal layer 1042 disposed on the support 104.

This display module assembly still includes: a conductive connection portion including: and the conductive liquid 1072, wherein the conductive liquid 1072 is connected to the second conductive layer 1002 and the second metal layer 1042, and wraps the side face of the display module between the second conductive layer 1002 and the second metal layer 1042.

When the cover plate is in work, negative charges are generated by surface friction of the cover plate 101, the negative charges repel and move mutually, and are diffused to the edge of the cover plate 101 through charge conduction, then the negative charges are conducted with the side conductive layer 1003 along the side surface of the cover plate 101, flow to the second conductive layer 1002 along the side conductive layer 1003, and flow to the first conductive layer 1001 through the second conductive layer 1002, when the charges on the first conductive layer 1001 and the second conductive layer 1002 are accumulated to a certain degree, the charges are conducted with the conductive liquid 1072 through the gap filling glue 106, and are guided to the second metal layer 1042 through the conductive liquid 1072, so that grounding is realized.

Therefore, in the display module provided in example three, the conductive liquid 1072 is used as a conductive connection portion to connect the second conductive layer 1002 and the second metal layer 1042, which further saves space.

The display module assembly and the electronic equipment that this application embodiment provided through set up the conducting layer in apron first surface non-antenna area, can avoid display panel drainage to the ground plate with the electric charge on apron surface, have solved the green screen problem of display screen, and the conducting layer simple process is scribbled to the plane. Meanwhile, the conducting layer is not arranged in the area of the cover plate facing the antenna, so that the influence of the conducting layer on the clearance of the antenna is reduced.

The above is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A display module, comprising:

the display panel is arranged on the middle frame, and the middle frame is provided with an antenna unit;

a cover plate disposed on the display panel, a first surface of the cover plate being opposite to a display surface of the display panel, the cover plate including a first area overlapping the display panel and a second area located around the first area, wherein the first area includes a display area and a non-display area located around the display area;

the display module assembly still includes: the first conducting layer and the second conducting layer are connected;

the first conducting layer is arranged on the first surface of the cover plate non-display area;

the second region includes: the projection of the antenna unit on the cover plate is positioned in the first sub-area;

the second conducting layer is arranged on the first surface of the second subregion of the cover plate;

and the conductive connecting part is used for conducting the second conductive layer and the grounding plate.

2. The display module of claim 1, wherein the first conductive layer comprises a conductive ink.

3. The display module of claim 1 or 2, wherein the second conductive layer comprises one of a conductive ink and a conductive liquid.

4. The display module according to any one of claims 1-3, wherein the second conductive layer further comprises a side conductive layer disposed on a side of the cover plate.

5. The display module assembly of any one of claims 1-4, wherein the ground plane is located at the middle frame.

6. The display module of claim 5, wherein the conductive connection comprises a metal post.

7. The display module of claim 5, wherein the conductive connection comprises a conductive liquid.

8. The display module assembly according to any one of claims 1 to 7, wherein a support member is disposed between the display panel and the middle frame.

9. The display module of claim 8, wherein the support comprises the ground plate, and the ground plate is disposed proximate to the bezel.

10. The display module of claim 9, wherein the conductive connection comprises a conductive liquid that coats the sides of the display module between the second conductive layer and the ground plate.

11. The display module of any one of claims 1-10, wherein the cover plate is coupled to the display panel by an optical adhesive.

12. The display module of any one of claims 1-11, wherein the support member is coupled to the display panel by a grid adhesive.

13. An electronic device, comprising: the middle frame and the display module of any one of claims 1-12, the middle frame comprising: the electronic device comprises a bearing plate and a frame surrounding the bearing plate for one circle, wherein the frame is arranged around the periphery of the electronic device.

14. The electronic device of claim 13, wherein the display module is connected to the middle frame by a gap-filling adhesive.

15. The electronic device according to claim 13 or 14, wherein the antenna unit includes: a conductive bezel disposed on the bezel.

16. The electronic device of claim 14, wherein the frame is made of an insulating material.

17. The electronic device of claim 14, wherein the bezel is made of a conductive material, and the conductive bezel is a part of the bezel.