CN216647711U - Display module assembly and mobile device - Google Patents

Abstract

The application provides a display module and mobile equipment, which comprise a conductor, a display panel, a buffer layer and a conducting layer, wherein the display panel, the buffer layer and the conducting layer are sequentially stacked; the electric conductor is connected with the display panel and the conducting layer through the buffer layer, and through the arrangement of the electric conductor, the electric conductor is connected with the display panel and the conducting layer through the buffer layer, so that static in the display panel is released, and abnormal display of the display panel caused by static accumulation in the display panel is avoided.

Description

Display module and mobile device

Technical Field

The application relates to the technical field of display equipment, especially, relate to a display module assembly and mobile device.

Background

In the display module design of present cell-phone, the display panel outside receives the friction can produce static, simultaneously because do not have corresponding electrically conductive contact structure, the static that uses cell-phone in-process display panel and external friction accumulation just can not smooth dissipates, and static can accumulate in display panel, and static can't conduct away, and remaining static and then can influence display panel's characteristic in the display panel leads to showing unusually, for example shows the condition such as local brightening.

Disclosure of Invention

The application aims at solving the technical problem that the display panel is abnormal due to the fact that the characteristics of the display panel are influenced by residual static electricity in the display panel in the prior art at least to a certain extent.

Therefore, the purpose of the application is to provide a display module, through setting up the electric conductor, the electric conductor passes through the buffer layer and connects display panel and conducting layer, realizes releasing the static in the display panel, avoids the static accumulation among the display panel to cause display panel's the demonstration unusual.

In order to achieve the above object, the present application provides a display module, which includes a conductive body, and a display panel, a buffer layer and a conductive layer stacked in sequence; wherein the conductor connects the display panel and the conductive layer via the buffer layer.

Further, still include: a retraction region disposed at least partially at an edge of the buffer layer, the conductor connecting the display panel and the conductive layer through the retraction region; wherein the retraction region is a region formed by retraction of the buffer layer relative to the conductive layer; and/or at least one through hole penetrating through the conductive layer and the buffer layer, wherein the conductor is connected with the display panel and the conductive layer through the through hole.

Further, the retraction region is a region formed by retracting at least one side edge of the buffer layer relative to the conductive layer; and/or the retraction region is a region formed by inward retraction of a part of the lateral side section of the buffer layer relative to the conductive layer.

Further, the sides of the cushioning layer include at least one indented region, and the indented regions are uniformly distributed on the sides of the cushioning layer.

Further, when the conductor connects the display panel and the conductive layer through the retracted region, the conductor is a first structure formed by a conductive material attached to the retracted region, and one end of the conductor is connected to the conductive layer while the other end of the conductor is connected to the display panel;

when the electric conductor is connected with the display panel and the conducting layer through the through hole, the electric conductor is a second structure formed by filling the through hole with a conducting material.

Further, the first structure is formed by bending the conductive layer at the retracted region and extending the conductive layer to the display panel along the retracted region.

Further, when the conductive body is connected with the display panel and the conductive layer through the retracted region, the edge of the conductive body does not exceed the edge of the conductive layer in the plane direction of the conductive layer.

Furthermore, the display module also comprises a front shooting hole;

filling the electric conductor in the hole wall of the front shooting hole; and/or filling the electric conductor in the through hole of the buffer layer within a preset distance of the position of the front camera hole.

Further, the buffer layer comprises a foam layer; the whole foam layer in the buffer layer is made of a conductive material.

A mobile device comprises the display module.

Additional aspects and advantages of the present application 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 present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application 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 diagram of a display module according to the prior art;

fig. 2 is a side view of a display module according to an embodiment of the present disclosure;

fig. 3 is a top view of a display module according to an embodiment of the present disclosure;

fig. 4 is a front view of a display module according to an embodiment of the present disclosure;

fig. 5 is a partial cross-sectional view of a display module according to an embodiment of the disclosure;

fig. 6 is a front view of a display module according to the second embodiment of the present application;

fig. 7 is a top view of a display module according to a second embodiment of the present disclosure;

fig. 8 is a front view of a display module according to the second embodiment of the present application;

fig. 9 is a partial cross-sectional view of a display module according to a second embodiment of the present disclosure;

fig. 10 is a side view of a display module according to a third embodiment of the present application;

fig. 11 is a top view of a display module according to a third embodiment of the present application;

fig. 12 is a front view of a display module according to a third embodiment of the present application;

fig. 13 is a schematic structural diagram of a display module according to a fourth embodiment of the present application;

fig. 14 is a schematic structural diagram of a display module according to a fifth embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

Fig. 1 is a schematic structural diagram of a display module set provided in the prior art.

A display module comprises a conductor 5, a display panel, a buffer layer 2 and a conducting layer 3 which are sequentially laminated;

the conductor 5 connects the display panel and the conductive layer 3 via the buffer layer 2.

In this embodiment, the display panel includes glass substrate 11, polaroid 10, flexible thin film transistor array substrate 9 and the back protection film 1 that stacks gradually the setting, it has optical cement 12 to fill between glass substrate and the polaroid, glass substrate 11 is located display panel's the outside, produce static easily when rubbing with foreign matters such as clothing, and back protection film 1 among the display panel is made for the PET material usually, accumulate static easily, especially in the position department of the preceding shot hole of display module assembly, because the existence of the lens of taking a photograph, the degree of static accumulation has further been aggravated.

The buffer layer 2 includes a foam layer 21 and a PI film 22, and in this embodiment, the buffer layer 2 is a structural layer formed by combining the foam layer 21 and the PI film 22.

The conductive layer 3 may be a copper foil plate, and of course, in other embodiments, may also be made of other materials, which is not limited by the present application.

For in current design, buffer layer 2 and conducting layer 3 use circular knife or flat sword to carry out the parallel and level and cut, and display panel and conducting layer are isolated each other, and the static in the display panel can't be conducted away, in this application, has set up the electric conductor, and the electric conductor passes through the buffer layer and connects display panel and conducting layer, leads the static in the display panel to the conducting layer to release outside through the conducting layer, and then guaranteed in the cell-phone use, display module's display effect is stable, improves user experience.

Specifically, the electric conductor 5 may be a part of the conductive layer 3, may also be a part of the buffer layer 2, may also be a silver paste of spot welding, and this is a part enumerated in this application, and this application does not limit this, and the design of diversification can be carried out to the electric connection relation of display panel and conductive layer, and it can to realize display panel's electrostatic discharge.

For the selection of the silver paste, the silver paste can be cured at normal temperature, welding and additional temperature conditions are not needed, the formation of heat damage and internal stress to electronic devices is avoided, the silver paste is an excellent conductive connecting material, and in other embodiments, the silver paste can be other conductive materials, and the conductive layer can be electrically connected with the display panel.

The display module further comprises: a retracted region disposed at least partially at an edge of the buffer layer 2, through which the conductor 5 connects the display panel and the conductive layer 3; wherein the retraction region is a region formed by retraction of the buffer layer 2 relative to the conductive layer (as shown in fig. 2-12); and/or at least one through hole (see fig. 13 and 14) penetrating the conductive layer 3 and the buffer layer 2, wherein the conductive body 5 connects the display panel and the conductive layer 3 through the through hole.

In this embodiment, the specific form of the conductor 5 connecting the display panel and the conductive layer through the buffer layer 2 may be: the buffer layer 2 is partially retracted relative to the conductive layer 3, and the conductive bodies 5 are respectively connected with the conductive layer 3 through the retracted regions and the display panels on both sides, specifically, the conductive bodies 5 may be a part of the conductive layer 3 or a silver paste for spot welding. Or the buffer layer 2 and the conductive layer 3 have through holes, and the conductive body 5 connects the conductive layer 3 and the display panel through the through holes, specifically, the conductive body may be silver paste of spot welding.

As shown in fig. 2 to 12, the retraction region is a region formed by retracting at least one side edge of the buffer layer 2 relative to the conductive layer 3; and/or, the retraction region is a region formed by retracting a part of the section on the side edge of the buffer layer 2 relative to the conductive layer 3.

In this embodiment, the retraction region may be a retraction of the entire side of the buffer layer 2 or a retraction of a partial section of the side, the entire side of the buffer layer 2 is retracted, that is, the size of the buffer layer 2 is smaller than that of the conductive layer 3, the conductive layer 3 and the buffer layer 2 are designed to have different sizes, and the conductive layer 3 may wrap the outer side of the buffer layer 2 and be attached to the surface of the display panel (see fig. 2 to 5). The inward shrinkage of the buffer layer 2 at the side partial section, that is, the notch 4 is formed at the side of the buffer layer 2, and a part of the conductor 5 is cut to be able to be bent from the notch 4 to connect the conductive layer 3 and the display panel through the buffer layer (as shown in fig. 6-9). The size of the conductor 5 formed by the cut part of the conductive layer 3 is adapted to the size of the gap 4, the processing technology is simple, and the electric connection between the conductive layer 3 and the display panel is stable. Certainly, the silver paste can be spot-welded at the notch 4 to realize the electrical connection between the display panel and the conductive layer 3 (as shown in fig. 10-12), the retraction form and the specific selection of the conductor 5, and the flexible arrangement can be realized according to the requirement.

The side edges of the buffer layer 2 comprise at least one inward-shrinking region, and the inward-shrinking regions are uniformly distributed on the side edges of the buffer layer 2.

In this embodiment, a plurality of retraction regions are formed on the side of the buffer layer 2, and the retraction regions are uniformly arranged on each side of the buffer layer, and the conductive layer 3 and the display panel have a plurality of connection points on each side, which is helpful for rapidly and completely guiding out static electricity on each part of the display panel, and further avoids the influence of static electricity on the display panel.

When the conductor 5 connects the display panel and the conductive layer 3 through the retracted region, the conductor 5 is a first structure formed by a conductive material attached to the retracted region, and one end of the conductor is connected to the conductive layer 3, and the other end of the conductor is connected to the display panel;

when the conductive body 5 connects the display panel and the conductive layer 3 through the through hole, the conductive body 5 is a second structure formed by filling the through hole with a conductive material.

In this embodiment, the conductive body 5 may be designed as a first structure or a second structure, and may be adapted according to the structural design of the buffer layer 2, specifically, when the buffer layer 2 retracts, the conductive body 5 may be a part of the conductive layer 3, that is, a copper foil; the structure can also be silver paste or conductive foam, and the upper layer and the lower layer are connected through adhering to the inner shrinking area. When the buffer layer 2 and the conductive layer 3 are provided with through holes, the electric conductor 5 is silver paste or conductive foam, and is filled in the through holes, so that the electric connection between the display panel and the conductive layer 3 is realized.

The first structure is formed by bending the conductive layer 3 at the retracted region and extending the conductive layer to the display panel along the retracted region. (see, e.g., FIGS. 2-9)

In this embodiment, the buffer layer 2 contracts inwards, the electric conductor 5 is a part of the conducting layer 3, namely, the copper foil is directly bent, the electric connection between the conducting layer and the display panel is realized, no new material is added, the electric connection between the display panel and the conducting layer can be realized only by improving the size of the buffer layer, the improvement effect is good, and the popularization and implementation are easy.

When the conductor 5 connects the display panel and the conductive layer 3 through the retracted region, the edge of the conductor 5 does not exceed the edge of the conductive layer 3 in the plane direction of the conductive layer 3.

In this embodiment, when the electric conductor 5 passes through the retraction area, the electric conductor is attached to the side wall of the buffer layer and extends towards the display panel, so that the overall size of the display module is not increased, and the installation of the module is not affected on the basis of ensuring the static elimination effect.

As shown in fig. 14, the display module further includes a front-view hole;

filling the electric conductor 5 in the hole wall of the front camera hole; and/or filling the conductor 5 in the through hole of the buffer layer 2 within a preset distance from the front camera hole.

In this embodiment, in view of the fact that static electricity is easily accumulated in the front camera hole, the position near the front camera hole, and the periphery of the display panel, conductive foam is filled in the hole wall of the front camera hole and the periphery of the buffer layer corresponding to the periphery of the display panel, silver paste is filled in the through hole near the front camera hole, static electricity is timely released, and the setting of the preset distance can be manually set according to process requirements and the static electricity accumulation condition. Specifically, in other embodiments, the foam around the front camera hole is designed to be conductive foam, the display panel is conducted with the conductive layer, and the residual static electricity can be conducted and dissipated. The foam can be spliced: the periphery of the front shooting hole is provided with a circle of conductive foam with the width of 3-5 mm (the width can be adjusted according to requirements), and other areas are provided with non-conductive conventional foam. The conductive material can be injected and foamed to form an integral molding: the periphery of the front camera hole is doped with a conductive material and foamed at the same time, so that composite foam without a connecting position can be produced, and screen marks are prevented from being generated after the front camera hole is attached.

The buffer layer 2 comprises a foam layer; the whole foam layer in the buffer layer 2 is made of a conductive material.

In this embodiment, in order to have the best display effect, the foam layer of the buffer layer 2 is integrally designed as conductive foam, so that the flatness is high, and top printing is avoided. In order to realize the conductivity of the buffer layer, the IP film 22 is a conductive IP film, that is, the buffer layer is a conductive foam with a conductive PI film on the whole surface, and the plane is consistent, and the electrostatic discharge effect is good.

A mobile device comprises the display module. The effect of this application technical scheme is the same with the effect of above-mentioned display module assembly, and is not repeated here.

It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. 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.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A display module is characterized by comprising a conductor, a display panel, a buffer layer and a conducting layer which are sequentially stacked;

wherein the conductor connects the display panel and the conductive layer through the buffer layer.

2. The display module of claim 1, further comprising:

a retraction region disposed at least partially at an edge of the buffer layer, the conductor connecting the display panel and the conductive layer through the retraction region; wherein the retraction region is a region formed by retraction of the buffer layer relative to the conductive layer;

and/or at least one through hole penetrating through the conductive layer and the buffer layer, wherein the conductor is connected with the display panel and the conductive layer through the through hole.

3. The display module of claim 2,

the retraction region is a region formed by retracting at least one side edge of the buffer layer relative to the conductive layer;

and/or the retraction region is a region formed by inward retraction of a part of the lateral side section of the buffer layer relative to the conductive layer.

4. The display module of claim 3,

the sides of the cushioning layer include at least one indented region that is uniformly distributed on the sides of the cushioning layer.

5. The display module of claim 2,

when the conductor is connected with the display panel and the conducting layer through the retracted region, the conductor is a first structure formed by conducting materials attached to the retracted region, one end of the conductor is connected to the conducting layer, and the other end of the conductor is connected to the display panel;

when the electric conductor is connected with the display panel and the conducting layer through the through hole, the electric conductor is a second structure formed by filling the through hole with a conducting material.

6. The display module of claim 5,

the first structure is formed by bending the conductive layer at the retracted region and extending the conductive layer to the display panel along the retracted region.

7. The display module of claim 2,

when the electric conductor is connected with the display panel and the conducting layer through the retraction area, the edge of the electric conductor does not exceed the edge of the conducting layer in the plane direction of the conducting layer.

8. The display module of claim 2,

the display module further comprises a front shooting hole;

filling the electric conductor in the hole wall of the front shooting hole; and/or filling the conductor in the through hole of the buffer layer within a preset distance from the front camera hole.

9. The display module of claim 1,

the buffer layer comprises a foam layer; the whole foam layer in the buffer layer is made of a conductive material.

10. A mobile device, comprising: a display module according to any one of claims 1-9.

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