CN218996266U - Display module assembly and electronic equipment - Google Patents

Abstract

The utility model discloses a display module and electronic equipment. The display module comprises a light-transmitting cover plate, a polaroid and optical cement. The light-transmitting cover plate comprises a first matching surface and a first sealing part arranged around the first matching surface. The polaroid comprises a second matching surface and a second sealing part which is arranged around the second matching surface, the second matching surface is arranged towards the first matching surface, and the first sealing part is in sealing fit with the second sealing part, so that a sealing cavity is formed by the first matching surface and the second matching surface at intervals; the optical cement is arranged in the sealing cavity and is adhered and fixed with the first matching surface and the second matching surface. The optical adhesive of the display module is good in sealing performance, can resist corrosion of UV glue, and further can improve reliability of display performance of electronic equipment.

Description

Display module assembly and electronic equipment

Technical Field

The disclosure relates to the field of electronic technology, and in particular, to a display module and an electronic device.

Background

Electronic devices such as mobile phones and tablet computers have become indispensable technological products in the life, study and entertainment processes of people. Currently, electronic devices have a display function by setting a display module, and provide functions such as web browsing, information reading, video viewing, etc. for users. The polarizer of the display module is usually adhered and fixed to the transparent cover plate by optical cement (OCA, etc.).

In the related art, the outer surface of a display module of an electronic device is generally protected by a tempered film. But in the process of attaching the toughened film, the UV glue is needed for fixing. The UV glue can corrode the optical glue to damage the display module, and the display quality of the display module is reduced.

Disclosure of Invention

The disclosure provides a display module and electronic equipment. The optical adhesive of the display module is good in sealing performance, can resist corrosion of UV glue, and further can improve reliability of display performance of electronic equipment.

The technical scheme is as follows:

according to a first aspect of embodiments of the present disclosure, a display module is provided, including a light-transmitting cover plate, a polarizer, and an optical adhesive. The light-transmitting cover plate comprises a first matching surface and a first sealing part arranged around the first matching surface. The polaroid comprises a second matching surface and a second sealing part which is arranged around the second matching surface, the second matching surface is arranged towards the first matching surface, and the first sealing part is in sealing fit with the second sealing part, so that the first matching surface and the second matching surface are arranged at intervals to form a sealing cavity; the optical cement is arranged in the sealing cavity and is adhered and fixed with the first matching surface and the second matching surface.

The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:

the display module utilizes the sealing fit of the first sealing part and the second sealing part to form a sealing cavity for sealing the optical cement between the first matching surface of the light-transmitting cover plate and the second matching surface of the polaroid, so that the optical cement is sealed and arranged on the display module. Therefore, the optical adhesive of the display module has good sealing performance and can resist corrosion of UV adhesive.

The technical scheme of the present disclosure is further described below:

in one embodiment, the first mating surface is provided with a first groove, and the first groove and the second mating surface are in sealing fit to form a sealing cavity.

And/or the second matching surface is provided with a second groove, and the second groove is in sealing fit with the first matching surface to form a sealing cavity.

In one embodiment, the first groove and the second groove are in sealing fit to form a sealing cavity, and the depth of the first groove is larger than that of the second groove.

In one embodiment, the first groove is formed on the light-transmitting cover plate by an etching process; and/or the second grooves are formed on the polarizer by an etching process.

In one embodiment, the display module further includes a corrosion-resistant sealing layer, and the first sealing portion is in sealing fit with the second sealing portion through the corrosion-resistant sealing layer.

In one embodiment, the first seal is bonded to the second seal, and at least a portion of the corrosion resistant seal is disposed around a perimeter of the first seal and a perimeter of the second seal.

In one embodiment, a portion of the corrosion resistant seal layer is adhesively secured to the first seal portion and the second seal portion.

In one embodiment, the first mating surface is on the same plane as the first seal portion and the second mating surface is on the same plane as the second seal portion; the display module comprises a sealing ring, wherein the sealing ring is clamped between the transparent cover plate and the polaroid, so that a sealing cavity is formed by arranging the first matching surface and the second matching surface at opposite intervals, and the sealing ring is respectively fixed with the first sealing part and the second sealing part in a sealing way.

In one embodiment, the display module further includes a substrate and a display panel, the display panel is disposed on the front surface of the substrate, and the polarizer is disposed on the front surface of the display panel.

According to a second aspect of the embodiments of the present disclosure, there is further provided an electronic device, including a housing assembly and the display module in any of the foregoing embodiments, where the display module is fixedly disposed on the housing assembly.

The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:

the electronic equipment is applied with the display module in any embodiment, and the optical adhesive of the display module has good sealing property, can resist UV glue corrosion, and further can improve the reliability of the display performance of the electronic equipment.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings illustrate schematically the embodiments of the present utility model and their description to explain the technical solution of the present utility model and do not constitute an undue limitation on the scope of the present utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic structural diagram of an electronic device in an embodiment.

Fig. 2 is a partially cross-sectional schematic view of the electronic device shown in fig. 1 in the width direction.

Fig. 3 is a schematic view of an electronic device in a partial cross section in a width direction according to another embodiment.

Fig. 4 is a partially cross-sectional schematic view of an electronic device in a width direction shown in another embodiment.

Fig. 5 is an enlarged schematic view of the region a shown in fig. 4.

Fig. 6 is a partially cross-sectional schematic view of an electronic device in a width direction shown in another embodiment.

Fig. 7 is a schematic diagram of an internal hardware structure of the electronic device shown in fig. 1.

Reference numerals illustrate:

10. an electronic device; 11. a processing assembly; 12. a memory; 13. a power supply assembly; 14. a multimedia component; 15. an audio component; 16. an input/output interface; 17. a sensor assembly; 18. a communication component; 100. a display module; 101. sealing the cavity; 110. a light-transmitting cover plate; 111. a first mating surface; 112. a first sealing part; 120. a polarizer; 121. a second mating surface; 122. a second sealing part; 130. an optical adhesive; 140. a corrosion resistant sealing layer; 150. a seal ring; 160. a substrate; 170. a display panel; 200. a housing assembly; 210. and a middle frame.

Detailed Description

For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made to the drawings and specific language will be used to describe the same. It should be understood that the detailed description is presented herein only to illustrate the present disclosure and not to limit the scope of the disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used in the description of the disclosure herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

Electronic devices such as mobile phones and tablet computers are indispensable scientific and technological products in the life, study and entertainment processes of people, and bring convenience and fun to the life of people. Along with the development of diversification of electronic equipment functions, electronic equipment is various in variety and brands are various, so that consumers can select a plurality of electronic equipment, the requirements of people on the electronic equipment cannot be met only by improving the functional characteristics of the electronic equipment, and the aesthetic property of the shell structure of the electronic equipment is also an important factor for influencing the competitiveness of electronic products. Among electronic devices having similar functions or performances, the more beautiful the appearance of the electronic device is, the more attractive consumers can be attracted to purchase.

As the application of the display module is more mature, the application of the display module on the electronic equipment is more extensive. The electronic equipment using the display module has more attractive appearance on the whole, can bring better display experience, and is more and more popular with consumers.

In the related art, the outer surface of a display module of an electronic device is generally protected by a tempered film. But in the process of attaching the toughened film, the UV glue is needed for fixing. The UV glue can corrode the optical glue to damage the display module, and the display quality of the display module is reduced.

Based on this, the present disclosure provides a polarizing assembly capable of effectively preventing an adhesive layer from being higher than a polarizer. The method is applied to the display module, the yield and the reliability in the application process of the display module are improved, the display quality of the electronic equipment is guaranteed, and the reliability of the electronic equipment is improved.

For a better understanding of the display module of the present disclosure, the following description will be made in connection with an electronic device to which the display module is applied.

As shown in fig. 1 to 2, in some embodiments, an electronic device 10 is provided, which includes a housing assembly 200 and the display module 100 described above, wherein the display module 100 is fixedly disposed on the housing assembly 200.

As shown in fig. 2, the display module 100 includes a transparent cover 110, a polarizer 120, and an optical adhesive 130. The light-transmitting cover plate 110 includes a first mating surface 111 and a first sealing portion 112 disposed around the first mating surface 111. The polarizer 120 includes a second mating surface 121 and a second sealing portion 122 disposed around the second mating surface 121, the second mating surface 121 is disposed towards the first mating surface 111, and the first sealing portion 112 and the second sealing portion 122 are in sealing fit, so that the first mating surface 111 and the second mating surface 121 are disposed at intervals to form a sealing cavity 101; the optical cement 130 is disposed in the sealing cavity 101 and is adhered and fixed to the first mating surface 111 and the second mating surface 121.

The electronic device 10 employs the display module 100 in any of the above embodiments, and the display module 100 utilizes the first sealing portion 112 and the second sealing portion 122 to seal and cooperate, so that a sealing cavity 101 for sealing the optical cement 130 is formed between the first mating surface 111 of the transparent cover plate 110 and the second mating surface 121 of the polarizer 120, thereby realizing the sealing of the optical cement 130 on the display module 100. In this way, the optical adhesive 130 of the display module 100 has good sealing performance, and can resist corrosion of UV glue, so as to improve reliability of display performance of the electronic device 10.

In addition, in order to ensure the display quality of the electronic device 10, a sealing structure is formed between the display module 100 and the housing assembly 200 of the electronic device 10 by the dispensing sealing method for a portion of the electronic device 10 to prevent the UV glue from corroding the optical glue 130, which is not beneficial to the narrow frame design of the electronic device 10, and additionally increases the assembly process of the electronic device 10, which is not beneficial to improving the assembly efficiency of the electronic device 10. Because the optical cement 130 of the application is already sealed on the display module 100, the non-dispensing design can be realized between the display module 100 and the frame body of the shell assembly 200, the ultra-narrow frame is realized, the screen occupation ratio of the electronic equipment 10 is improved, and the assembly efficiency of the electronic equipment 10 is also improved.

It can be appreciated that, in other embodiments, the electronic device 10 of the present application may further improve the tightness between the housing assembly 200 and the display module 100 by dispensing and sealing, and further improve the performance of UV glue corrosion resistance.

In some embodiments, the light-transmitting cover plate 110 and the housing cooperate to form a protective space, and the electrical portion of the display module 100 can be disposed in the protective space to improve the protective performance of the electronic device 10.

In some embodiments, the housing assembly 200 includes a center frame 210. The display module 100 is disposed on the middle frame 210.

The electronic device 10 may include an unmanned aerial vehicle, a smart display, a handheld device, a vehicle-mounted device, a wearable device, a monitoring device, a cellular phone, a smart phone (smart phone), a personal digital assistant computer, a tablet computer, a laptop computer, a video camera, a video recorder, a camera, a smart watch (smart watch), a smart bracelet (smart wstband), a vehicle-mounted computer, and other electronic devices 10 having a display function.

It should be noted that, the specific implementation manner of the light-transmitting cover plate 110 may be various, including a light-transmitting plate, a light-transmitting glass, and the like.

In some embodiments, the display module 100 is a flexible display screen, and the transparent cover plate 110 is a flexible transparent plate. The display device is applied to the electronic equipment 10, so that better display experience can be obtained, and the screen occupation ratio is improved.

Specific embodiments of the optical adhesive 130 include OCA (Optically Clear Adhesive) and the like.

The UV adhesive, shadowless adhesive, photosensitive adhesive, ultraviolet curing adhesive and the like can be used as an adhesive and also can be used as sizing materials of paint, coating, printing ink and the like.

On the basis of any of the above embodiments, as shown in fig. 2 and fig. 4, in some embodiments, the display module 100 further includes a corrosion-resistant sealing layer 140, and the first sealing portion 112 is in sealing engagement with the second sealing portion 122 through the corrosion-resistant sealing layer 140. In this way, the sealing performance of the sealing cavity 101 can be further improved by using the corrosion-resistant sealing layer 140, the sealing performance of the optical adhesive 130 can be improved, and the UV glue corrosion resistance of the display module 100 can be further improved

The corrosion-resistant sealing layer 140 may be formed by a glue resistant to UV glue corrosion, such as a waterproof glue of polyethylene glue, rubber glue, polyurethane glue, or the like.

Further, as shown in fig. 4, in some embodiments, the first sealing portion 112 is attached to the second sealing layer, and the corrosion-resistant sealing layer 140 is disposed at least partially around the peripheral side of the first sealing portion 112 and the peripheral side of the second sealing. In this way, the corrosion-resistant sealing layer 140 can wrap the peripheral side of the first sealing portion 112 and the peripheral side of the second sealing portion, so as to increase the sealing area, and further improve the sealing performance of the transparent cover plate 110 and the polarizer 120 on the optical cement 130.

In addition to any of the embodiments of the corrosion-resistant sealing layer 140 described above, as shown in fig. 5, in some embodiments, a portion of the corrosion-resistant sealing layer 140 is adhesively secured to the first sealing portion 112 and the second sealing portion 122. In this way, the corrosion-resistant sealing layer 140 further has an adhesive property, and can adhere and fix the first sealing portion 112 and the second sealing portion 122, thereby improving the reliability of the fixed connection of the two, and further improving the sealing reliability of the optical cement 130.

It should be noted that, the specific implementation manner of the first mating surface 111 and the second mating surface 121 to form the sealing cavity 101 may be various, including but not limited to forming by grooves or the like.

As shown in fig. 2, in some embodiments, the first mating surface 111 is provided with a first groove, and the first groove and the second mating surface 121 form a seal cavity 101 in a sealing manner. In this way, the first groove is used to form the sealing space, which is easy to implement and can fully utilize the thickness space of the transparent cover plate 110.

As shown in fig. 3, in some embodiments, the second mating surface 121 is provided with a second groove that forms a sealed cavity 101 in sealing engagement with the first mating surface 111. Thus, the second groove is used to form a sealed space, which is easy to implement and can fully utilize the thickness space of the polarizer 120.

As shown in fig. 4 and 5, in some embodiments, the first mating surface 111 is provided with a first groove, and the first groove and the second mating surface 121 are in sealing engagement to form the sealing cavity 101. The second mating surface 121 is provided with a second groove, and the second groove is in sealing fit with the first mating surface 111 to form the sealing cavity 101. In this way, the sealing space is formed by the first groove and the second groove, so that the thickness space of the transparent cover plate 110 and the polarizer 120 can be fully utilized, and the structure of the display module 100 is more compact.

Further, as shown in fig. 5, in some embodiments, the first groove and the second groove form a seal cavity 101 in sealing engagement, and the depth of the first groove is greater than the depth of the second groove. In this way, the optical cement 130 may be first disposed in the second groove, and the second groove is used for preliminary positioning. Then, the light-transmitting cover plate 110 is covered, the first groove is used for accommodating the optical cement 130, and the first groove is matched with the second groove in a sealing way to form the sealing cavity 101 for sealing the optical cement 130. The depth of the first groove is greater than that of the second groove, so that the thickness space of the light-transmitting cover plate 110 can be fully utilized to accommodate the optical cement 130, and the filtering effect of the display module 100 is ensured.

It should be noted that the specific implementation of the first groove and/or the second groove may be various, including but not limited to etching, chip removing processing, integral injection molding, etc.

In some embodiments, the first groove is formed on the light-transmitting cover plate 110 through an etching process. Thus, the light transmitting performance of the light transmitting cover plate 110 can be ensured with ease.

In some embodiments, the second groove is formed on the polarizer 120 through an etching process. In this way, the implementation is easy and the filtering performance of the polarizer 120 can be ensured.

In some embodiments, the first groove is formed on the light-transmitting cover plate 110 through an etching process. The second groove is formed on the polarizer 120 through an etching process.

As shown in fig. 6, in other embodiments, the first mating surface 111 is on the same plane as the first sealing portion 112, and the second mating surface 121 is on the same plane as the second sealing portion 122; the display module 100 includes a sealing ring 150, where the sealing ring 150 is sandwiched between the transparent cover plate 110 and the polarizer 120, so that the first matching surface 111 and the second matching surface 121 are disposed at opposite intervals to form a sealing cavity 101, and the sealing ring 150 is respectively sealed and fixed with the first sealing portion 112 and the second sealing portion 122. In this way, the sealing ring 150 is disposed between the first mating surface 111 and the second mating surface 121 to form the sealing cavity 101 to seal the optical adhesive 130, and sealing the optical adhesive 130 can also be achieved, so that the display module 100 can resist corrosion caused by UV glue.

Based on any of the above embodiments, as shown in fig. 2 to 6, in some embodiments, the display module 100 further includes a substrate 160 and a display panel 170, the display panel 170 is disposed on the front surface of the substrate 160, and the polarizer 120 is disposed on the front surface of the display panel 170. Thus, the display module 100 displays color through the display panel 170 and filters the color by using the polarizer 120, so as to improve the display quality of the display module 100.

On the basis of any of the above embodiments, in some embodiments, the substrate is provided with a shielding layer (not shown). Therefore, electromagnetic interference can be reduced by utilizing the shielding layer, and the anti-interference capability of the display module is improved.

The shielding layer comprises a coated metal layer or a rolled metal layer. Such as coated copper or rolled metallic copper.

And/or, as shown, in some embodiments, the substrate is provided with a protective layer (not shown). Therefore, the pressure received by the display module can be buffered by the protective layer, and the display reliability of the display module is improved.

Optionally, as shown in the figure, in an embodiment, the protective layer includes a foam layer, a mesh adhesive layer disposed between the foam layer and the substrate, and an engineering film disposed between the foam layer and the shielding layer. Therefore, the impact force can be better buffered by utilizing the foam layer, the foam layer can be reliably fixed on the back of the substrate by utilizing the grid adhesive layer, and the arrangement of the engineering film is also beneficial to fixing the calendaring metal layer on the foam layer.

The engineering film comprises polyimide film and the like.

It can be appreciated that the technology of the present disclosure can increase the technological sense of the electronic device, facilitate the user to attach the toughened film, and not affect the display performance of the electronic device, so that the consumer can feel the heart of the manufacturer, and further the product competitiveness of the electronic device of the present disclosure can be improved. If the electronic equipment is handheld equipment (mobile phone or tablet personal computer and the like), the display module can form curved surface display effects on two sides of the shell, so that display effects of borderless display are achieved, display differences are avoided, and the whole display quality is better. Meanwhile, the palm of the user can often contact the curved surface, so that better holding experience can be brought.

Referring to fig. 7, in some embodiments, the electronic device 10 may further include one or more of the following components: a processing component 11, a memory 12, a power supply component 13, a multimedia component 14, an audio component 15, an input/output interface 16, a sensor component 17, and a communication component 18.

The processing component 11 generally controls overall operation of the electronic device 10, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 11 may include one or more processors to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 11 may include one or more modules that facilitate interactions between the processing component 11 and other components. For example, the processing component 11 may include a multimedia module to facilitate interaction between the multimedia component 14 and the processing component 11, such as a control panel.

The memory 12 is configured to store various types of data to support operations at the electronic device 10. Examples of such data include instructions for any application or method operating on the electronic device 10, contact data, phonebook data, messages, pictures, video, and the like. The memory 12 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory 12 (ROM), magnetic memory, flash memory, magnetic or optical disk.

The power supply assembly 13 provides power to the various components of the electronic device 10. Power supply components 13 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for electronic device 10.

The multimedia assembly 14 includes a display module 100 of the present disclosure to facilitate human-machine interaction. If the display module 100 includes a touch panel, the display module 100 may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or sliding action, but also the duration and pressure associated with the touch or sliding operation. In some embodiments, the multimedia assembly 14 includes a front camera and/or a rear camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the electronic device 10 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

The audio component 15 is configured to output and/or input audio signals. For example, the audio component 15 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 10 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 12 or transmitted via the communication component 18. In some embodiments, the audio assembly 15 further comprises a speaker for outputting audio signals.

The input/output interface 16 provides an interface between the processing assembly 11 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.

The sensor assembly 17 includes one or more sensors for providing status assessment of various aspects of the electronic device 10. For example, the sensor assembly 17 may detect an on/off state of the electronic device 10, a relative positioning of the components, such as a display and keypad of the electronic device 10, the sensor assembly 17 may also detect a change in position of the electronic device 10 or a component of the electronic device 10, the presence or absence of a user's contact with the electronic device 10, an orientation or acceleration/deceleration of the electronic device 10, and a change in temperature of the electronic device 10. The sensor assembly 17 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 17 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 17 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 18 is configured to facilitate communication between the electronic device 10 and other devices, either wired or wireless. The electronic device 10 may access a wireless network based on a communication standard, such as WiFi,2G, 3G, 4G, 6G, or the like, or a combination thereof. In one exemplary embodiment, the communication component 18 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 18 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present disclosure.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first," "second," etc. can include at least one such feature, either explicitly or implicitly. In the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise.

In this disclosure, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, removably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.

In this disclosure, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "mounted," "positioned," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples merely represent several embodiments of the present disclosure, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that variations and modifications can be made by those skilled in the art without departing from the inventive concepts of the present disclosure, which are within the scope of the present disclosure.

Claims (10)

1. A display module, comprising:

the light-transmitting cover plate comprises a first matching surface and a first sealing part arranged around the first matching surface;

the polarizer comprises a second matching surface and a second sealing part which is arranged around the second matching surface, wherein the second matching surface faces to the first matching surface, and the first sealing part is in sealing fit with the second sealing part, so that a sealing cavity is formed by the first matching surface and the second matching surface at intervals; and

the optical cement is arranged in the sealing cavity and is adhered and fixed with the first matching surface and the second matching surface.

2. The display module of claim 1, wherein the first mating surface is provided with a first groove, and the first groove and the second mating surface are in sealing fit to form the sealing cavity; and/or the second matching surface is provided with a second groove, and the second groove is matched with the first matching surface in a sealing way to form the sealing cavity.

3. The display module of claim 2, wherein the first groove and the second groove are in sealing engagement to form the sealed cavity, and wherein the depth of the first groove is greater than the depth of the second groove.

4. The display module of claim 2, wherein the first recess is formed on the light-transmitting cover plate by an etching process; and/or the second groove is formed on the polarizer by an etching process.

5. The display module of any one of claims 1-4, further comprising a corrosion resistant seal layer, wherein the first seal portion is in sealing engagement with the second seal portion via the corrosion resistant seal layer.

6. The display module assembly of claim 5, wherein the first seal portion is bonded to the second seal layer, and wherein at least a portion of the corrosion-resistant seal layer is disposed around a perimeter of the first seal portion and a perimeter of the second seal.

7. The display module of claim 6, wherein a portion of the corrosion-resistant sealing layer is adhesively secured to the first sealing portion and the second sealing portion.

8. The display module of claim 1, wherein the first mating surface is on the same plane as the first sealing portion and the second mating surface is on the same plane as the second sealing portion; the display module comprises a sealing ring, wherein the sealing ring is clamped between the light-transmitting cover plate and the polaroid, so that the first matching surface and the second matching surface are oppositely arranged at intervals to form a sealing cavity, and the sealing ring is respectively fixed with the first sealing part and the second sealing part in a sealing way.

9. The display module of claim 1, further comprising a substrate and a display panel, wherein the display panel is disposed on a front side of the substrate, and wherein the polarizer is disposed on a front side of the display panel.

10. An electronic device, comprising a housing assembly and the display module of any one of claims 1 to 9, wherein the display module is fixedly arranged on the housing assembly.

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