Display module and electronic device

Abstract

The application discloses a display module and an electronic device, and belongs to the field of electronic devices. The display module comprises a display layer and a support layer. The support layer and the display layer are arranged in a stack. The support layer comprises a first layer body and a second layer body. The first layer body and the second layer body are connected and surround a containing cavity. The containing cavity is filled with a gas-liquid phase change material. The first layer body and the second layer body each comprise a first plate body, a second plate body and a foldable plate body. Each first plate body and second plate body is connected through the foldable plate body. The foldable plate body is formed of a flexible thermal deformation material. The size of the foldable plate body in the connecting direction of the first plate body and the second plate body is directly proportional to the temperature.

Description

Technical Field

[0001] This application belongs to the field of electronic equipment technology, specifically relating to a display module and an electronic device. Background Technology

[0002] With the development of technology, the popularity of foldable electronic devices is increasing. Foldable electronic devices are usually divided into two parts, which are connected by a hinge. Correspondingly, functional devices such as cameras are installed in the two parts of the electronic device. However, due to the arrangement of functional devices and the different heat generation of the electronic device, the temperature difference between the two parts of the electronic device is usually relatively large, which will have an adverse effect on the working performance and service life of the electronic device. Summary of the Invention

[0003] The purpose of this application is to provide a display module and an electronic device to solve the problem that the temperature difference between different folding parts in current foldable electronic devices is relatively large, which has an adverse effect on the working performance and service life of the electronic device.

[0004] In a first aspect, embodiments of this application provide a display module, which includes a display layer and a support layer, wherein the support layer and the display layer are stacked, and the support layer includes a first body and a second body, the first body and the second body are connected and form a receiving cavity, wherein the receiving cavity is filled with a gas-liquid phase change material.

[0005] Both the first and second layers include a first plate, a second plate, and a foldable plate. Each of the first and second plates is connected by the foldable plate. The foldable plate is formed of a flexible thermodeformable material, and the size of the foldable plate in the connection direction between the first and second plates is proportional to the temperature.

[0006] Secondly, embodiments of this application provide an electronic device, which includes a housing and the aforementioned display module.

[0007] This application discloses a display module comprising a display layer and a support layer stacked thereon. The support layer includes a first body and a second body, which are interconnected and form a cavity. The cavity is filled with a gas-liquid phase change material, allowing the gas-liquid phase change material to absorb heat from the support layer at higher temperatures. Furthermore, the gaseous gas-liquid phase change material can release heat and liquefy at lower temperatures within the support layer, achieving an average temperature distribution across different locations on the support layer. This improves the display effect of the display layer and extends the lifespan of the entire display module. Alternatively, the display module can be thermally connected to functional components in an electronic device, allowing the heat generated by these components to be transferred by the gas-liquid phase change material within the support layer, thus ensuring that the temperatures of different folded sections in a foldable electronic device are essentially the same.

[0008] Meanwhile, to ensure the display module can be used in foldable electronic devices, both the first and second layers of the support layer include a first plate, a second plate, and a foldable plate connecting the two. The foldable plate is formed of a flexible thermodeformable material, thus ensuring the display module's foldability. Furthermore, the dimension of the foldable plate in the connection direction between the first and second plates is proportional to temperature. Therefore, when the display module is heated, the dimension of the foldable plate in the aforementioned direction can increase to stretch the display layer, thereby minimizing the size of creases caused by folding and improving the display effect and lifespan of the display module. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the structure of the display module disclosed in the embodiments of this application;

[0010] Figure 2 and Figure 3 These are schematic diagrams showing the support layer in different states of the display module disclosed in the embodiments of this application;

[0011] Figure 4 This is a schematic diagram of the structure of the foldable panel in the display module disclosed in the embodiments of this application;

[0012] Figure 5 This is a schematic diagram of a portion of the structure of the display module disclosed in the embodiments of this application;

[0013] Figure 6 This application discloses the working principle of the heat transfer function of the display module in the embodiments of this application.

[0014] Figure 7 This is a cross-sectional schematic diagram of the display module disclosed in the embodiments of this application;

[0015] Figure 8 This is a schematic diagram of a portion of the structure of the electronic device disclosed in the embodiments of this application.

[0016] The attached diagram is described as follows:

[0017] 100 - Display layer, 110 - Screen panel, 120 - Polarizing layer, 130 - Flexible glass, 140 - Optical adhesive, 150 - Cover film, 160 - Protective layer, 170 - Double-sided adhesive

[0018] 200-Support layer, 201-First layer body, 202-Second layer body, 203-Support column, 204-Edge sealing connector, 210-First plate, 220-Second plate, 230-Foldable plate, 231-First slit, 232-Second slit

[0019] 310 - Capillary element, 320 - Gas-liquid phase change material

[0020] 410 - Functional device, 420 - Frame, 430 - Soft thermal conductive layer. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0022] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0023] like Figures 1-8 As shown in the figure, this application discloses a display module and an electronic device. The display module includes a display layer 100 and a support layer 200. The display module has folding capability, thereby enabling it to be applied in foldable electronic devices.

[0024] The display layer 100 is the part of the display module that provides the display function. It typically includes multiple layers, and each layer in the display layer 100 is a flexible structure to ensure that the display layer 100 can be bent and folded. Specifically, the display layer 100 may include a screen panel 110, a polarizing layer 120, and flexible glass 130. The polarizing layer 120 is stacked on top of the screen panel 110, and the flexible glass 130 is bonded to the side of the polarizing layer 120 opposite to the screen panel 110 by optical adhesive 140. To improve the lifespan of the display layer 100, a cover film 150 can also be bonded to the flexible glass 130 by optical adhesive 140.

[0025] The support layer 200 provides support for the display layer 100, thereby improving the display effect and lifespan of the flexible structure display layer 100. The support layer 200 and the display layer 100 are stacked. Specifically, the support layer 200 can be bonded to the side of the display layer 100 facing away from its display surface using an adhesive. More specifically, a double-sided adhesive 170 formed by using polyethylene terephthalate as a substrate and applying appropriate adhesive to both sides can be used to bond the display layer 100 and the support layer 200. In order to prevent the double-sided adhesive 170 from damaging the screen panel 110, the display layer 100 may also include a protective layer 160. The protective layer 160 is attached to the side of the screen panel 110 facing away from the polarizing layer 120, and the protective layer 160 is connected to the support layer 200 through the double-sided adhesive 170.

[0026] Of course, to ensure good support performance, most of the structure in the support layer 200 can be formed of rigid materials. For example, taking the display module as an example of a foldable electronic device, the display module can include a first part, a second part, and a folding part connecting the first part and the second part. In this case, the parts of the support layer 200 corresponding to the first and second parts of the display module can be formed of rigid materials, while the parts corresponding to the folding part can be formed of flexible materials to ensure that the display module has folding capability.

[0027] Specifically, the support layer 200 includes a first body 201 and a second body 202, which are connected and form a cavity filled with a gas-liquid phase change material 320. Specifically, the cavity is a closed cavity, and to ensure heat transfer across most of the support layer 200, the cavity can extend to the edge of the support layer 200. More specifically, the cavity can extend to the first plate 210 and the second plate 220 mentioned below, ensuring heat transfer between them.

[0028] One of the first layer body 201 and the second layer body 202 can be a flat plate structure, while the other can include a flat plate structure and a surrounding frame. The surrounding frame is a closed loop structure, and its dimensions in the thickness direction of the support layer 200 can be flexibly determined according to actual needs. This allows the surrounding frame to increase the thickness of the support layer 200 and provide a structural basis for the support layer 200 to form a receiving cavity. Of course, in other embodiments of this application, both the first layer body 201 and the second layer body 202 can include a flat plate structure and a surrounding frame. By connecting the surrounding frames of the two layers, it can also be ensured that the support layer 200 can form a receiving cavity. Furthermore, when both the first layer body 201 and the second layer body 202 include a closed loop structure surrounding frame, the structural strength of each of the first layer body 201 and the second layer body 202 is relatively greater, thereby reducing the probability of torsional deformation of the first layer body 201 and the second layer body 202 and achieving the purpose of improving the overall deformation resistance of the support layer 200.

[0029] At the same time, such as Figure 2 and Figure 3 As shown, both the first layer body 201 and the second layer body 202 include a first plate 210, a second plate 220, and a foldable plate 230. The first plate 210 and the second plate 220 are the rigid parts mentioned above that provide reliable support for the display layer 100. Specifically, the first plate 210 and the second plate 220 can be formed using rigid structures such as plastic. To further improve the thermal conductivity of the first plate 210 and the second plate 220, they can be formed using metal materials; more specifically, they can be made of materials such as copper or stainless steel to ensure relatively high thermal conductivity and structural strength, and also to extend their service life.

[0030] Meanwhile, the foldable plate 230 serves to connect the first plate 210 and the second plate 220; that is, in the first body 201 and the second body 202, both the first plate 210 and the second plate 220 are connected by the foldable plate 230. As the name suggests, the foldable plate 230 is deformable. In this application, it is formed using a flexible thermodeformable material, meaning that while possessing deformability, its dimensions are also related to its own temperature. Specifically, as... Figure 2 and Figure 3 As shown, the dimensions of the foldable plate 230 in the connection direction of the first plate 210 and the second plate 220 are proportional to the temperature. That is, the higher the temperature of the foldable plate 230, the larger its dimensions in the connection direction of the first plate 210 and the second plate 220.

[0031] It should be noted that the dimensions of the foldable plate 230 in the connection direction between the first plate 210 and the second plate 220 correspond to the dimensions of the foldable plate 230 when it has a flat plate structure. For example... Figure 2 As shown, this is the structure of the foldable plate 230 in a relatively low temperature state, and its dimension in the aforementioned direction is X, while as... Figure 3 As shown, when the temperature of the foldable plate 230 rises, its dimension in the aforementioned direction increases to Y. When the foldable plate 230 is subjected to force and bends, the foldable plate 230 as a whole can be an arc-shaped or approximately arc-shaped structure.

[0032] When this technical solution is adopted, when the display module generates heat during operation, or when the heat generated by other functional devices 410 in the electronic device using the above-mentioned display module is conducted to the foldable plate 230 in the display module, the size of the foldable plate 230 in the connection direction of the first plate 210 and the second plate 220 increases, thereby stretching the foldable plate 230. Consequently, the part of the display layer 100 corresponding to the foldable plate 230 is also stretched by the action of the foldable plate 230, thereby making the creases of the folded part in the display layer 100 relatively smaller and improving the display effect of the display layer 100.

[0033] Furthermore, in the display module disclosed in this application embodiment, the cavity of the support layer 200 is also filled with a gas-liquid phase change material 320. This allows heat from the higher-temperature portions of the support layer 200 to be transferred to the lower-temperature portions, resulting in a more uniform temperature across the support layer 200, or the entire display module. This improves both the performance and lifespan of the display module. Specifically, considering factors such as cost and specific heat capacity, the gas-liquid phase change material 320 can be water.

[0034] This application discloses a display module comprising a display layer 100 and a support layer 200 stacked on top of the display layer 100. The support layer 200 includes a first body 201 and a second body 202, which are interconnected and form a cavity. The cavity is filled with a gas-liquid phase change material 320, which allows the high-temperature heat on the support layer 200 to be absorbed by the gas-liquid phase change material 320. Furthermore, the gaseous gas-liquid phase change material 320 can release heat and liquefy at lower-temperature locations within the support layer 200, thereby averaging the temperature at different locations on the support layer 200 and improving the display effect of the display layer 100 and the lifespan of the entire display module. Alternatively, the display module can be thermally connected to a functional device 410 in an electronic device, allowing the heat generated by the functional device 410 to be transferred by the gas-liquid phase change material 320 within the support layer 200, achieving a similar temperature across different folded sections in a foldable electronic device.

[0035] Meanwhile, to ensure the display module can be used in foldable electronic devices, both the first body 201 and the second body 202 in the support layer 200 include a first plate 210, a second plate 220, and a foldable plate 230 connecting the two. The foldable plate 230 is formed of a flexible thermodeformable material, thus ensuring the display module has foldable capability. Furthermore, the dimension of the foldable plate 230 in the connection direction between the first plate 210 and the second plate 220 is proportional to the temperature. Therefore, when the display module is heated, the dimension of the foldable plate 230 in the aforementioned direction can increase to stretch the display layer 100, thereby minimizing the size of creases caused by folding the display layer 100 and improving the display effect and lifespan of the display module.

[0036] To further restrict the flow path of the gas-liquid phase change material 320, thereby improving the heat transfer efficiency and effect of the display module, the display module disclosed in this application embodiment also includes a capillary 310, which is accommodated in a receiving cavity. Optionally, by designing the dimensions of the receiving cavity and the capillary 310, the capillary 310 can be held in place within the receiving cavity; alternatively, the capillary 310 can be fixed within the receiving cavity by means of bonding or other methods.

[0037] To enable the gas-liquid phase change material 320 to transfer heat, the capillary element 310 is provided with multiple capillary channels for transferring the gas-liquid phase change material 320. Specifically, both opposite ends of each capillary channel are connected to the receiving cavity; that is, the capillary channels extend to both opposite ends of the capillary element 310, allowing the gas-liquid phase change material 320 to be transferred across the opposite sides of the capillary element 310 via each capillary channel. Correspondingly, to control the heat transfer location, one end of each capillary channel can extend to the first plate 210, and the other end of each capillary channel can extend to the second plate 220. In other words, the gas-liquid phase change material 320 enables heat exchange between the opposite sides of the foldable plate 230 in the support layer 200.

[0038] Based on this, other functional devices 410 in the electronic device using the above-mentioned display module can be thermally connected to the first plate 210, so that the heat of the functional device 410 can be conducted to the first plate 210, and the heat can be applied to the gas-liquid phase change material 320 in the cavity through the first plate 210, thereby vaporizing the gas-liquid phase change material 320 and flowing along the capillary channel to the side of the cavity where the second plate 220 is located. Since the temperature at the second plate 220 is relatively low, the gas-liquid phase change material 320 can liquefy and release heat, and conduct the heat to the second plate 220. The liquefied gas-liquid phase change material 320 can flow back to the side of the cavity where the first plate 210 is located through other capillary channels. At this time, if the temperature at the first plate 210 is still relatively high, the gas-liquid phase change material 320 can continue to absorb heat and be vaporized to cycle the above process, thereby transferring the heat at the first plate 210 to the second plate 220, so that the temperature at all parts of the entire display module is basically the same.

[0039] It should be noted that, in order to ensure that the foldable plate 230 in the display module still retains its foldability, at least the portion of the capillary 310 located at the foldable plate 230 is made of flexible material to prevent the capillary 310 from hindering the normal folding operation of the foldable plate 230. To reduce the processing difficulty of the capillary 310, the entire capillary 310 can be formed of flexible material. Of course, to ensure that the gas-liquid phase change material 320 can only flow and transfer through the capillary channels, the receiving cavity can be divided into two parts by the capillary structure. One part is located at the location of the first plate 210, and this part is connected to one end of each capillary channel on the capillary 310; the other part is located at the location of the second plate 220, and this part is connected to the other end of each capillary channel on the capillary 310, thereby ensuring that the gas-liquid phase change material 320 can only flow through the capillary channels within the receiving cavity.

[0040] As described above, the dimensions of the foldable plate 230 in the connection direction of the first plate 210 and the second plate 220 are proportional to the temperature. Optionally, the flexible heat-deformable material is an anisotropic material, so that the deformation direction of the foldable plate 230 when heated is the connection direction of the first plate 210 and the second plate 220, while the dimensions of the foldable plate 230 remain unchanged or substantially unchanged in other directions. Of course, the deformation coefficient of the foldable plate 230 in directions other than the connection direction of the first plate 210 and the second plate 220 can be made much smaller than the deformation coefficient of the foldable plate 230 in the aforementioned connection direction by controlling the structure of the foldable plate 230.

[0041] To enhance the deformability of the foldable panel 230, the foldable panel 230 is further provided with multiple hollow slits. These hollow slits are spaced apart along the aforementioned connection direction, and each hollow slit extends along the folding axis of the display module. Under the action of the multiple hollow slits, the foldable panel 230 can be divided into multiple parts. Of course, there are still interconnected positions between the aforementioned multiple parts, thereby ensuring that the foldable panel 230 remains a whole. Each hollow slit can enhance the deformation or displacement capability between its opposite sides, thus making the overall deformability of the foldable panel 230 relatively stronger.

[0042] As described above, the multiple perforated slits do not cause the foldable panel 230 to be divided into multiple independent parts. Therefore, in the direction of the folding axis of the display module, the opposite ends of any perforated slit can be located within the corresponding two sides of the foldable panel 230, that is, any perforated slit is enclosed within the foldable panel 230. Of course, to ensure that the side of the foldable panel 230 facing the display layer 100 and the side facing away from the display layer 100 have the same deformation capability, each perforated slit is provided to penetrate the foldable panel 230 along the thickness direction. Specifically, the dimensions and other parameters of each perforated slit in the connection direction can be flexibly determined according to actual needs, and are not limited here.

[0043] To further enhance the overall deformability of the foldable plate 230, optionally, such as Figure 4As shown, the plurality of perforated slits include at least one first slit 231 and at least one second slit 232. In the direction of the folding axis of the foldable plate 230, the opposite ends of each first slit 231 are located between opposite sides of the foldable plate 230, that is, the first slit 231 is closed within the foldable plate 230. As for the second slit 232, in the direction of the folding axis of the foldable plate 230, one end of the second slit 232 is connected to one side of one of the opposite sides of the foldable plate 230, that is, one end of the second slit 232 is closed within the foldable plate 230, while the other end of the second slit 232 is connected to the outside of the foldable plate 230. This makes one end of the portion of the foldable plate 230 located on opposite sides of the second slit 232 an open structure, which can further improve the overall deformation capability of the foldable plate 230.

[0044] To ensure relatively strong deformability across the foldable panel 230, two second slits 232 can be symmetrically arranged along the folding axis, with a gap between them, maintaining the foldable panel 230 as a single unit. In this configuration, one of the two symmetrical second slits 232 connects to one side of the foldable panel 230, and the other connects to the other side, resulting in better deformability and more regular deformation at the two second slits 232. To further enhance the overall deformability of the foldable panel 230, two symmetrical second slits 232 can be provided on opposite sides of any first slit 231 in the connection direction; or, the first slits 231 and second slits 232 can be alternately arranged along the connection direction.

[0045] More specifically, the spacing between each first slit 231 and each second slit 232 in the connection direction, as well as the spacing between two second slits 232 symmetrically designed in the direction of the folding axis, can be flexibly determined according to the actual situation, and are not limited here.

[0046] As described above, in the first body 201 and the second body 202, each of the first plates 210 is connected to the corresponding second plate 220 via a foldable plate 230. Optionally, the first plate 210 and the second plate 220 can be connected to the foldable plate 230 by means of bonding or other methods. In another embodiment of this application, in order to improve the connection reliability and heat conduction efficiency between the first plate 210 and the second plate 220 and the foldable plate 230, optionally, one side of each of the first plate 210 and the second plate 220 is connected to the opposite sides of the foldable plate 230 using nanoimprinting technology. Specifically, after the foldable plate 230 is designed and processed based on parameters such as mechanical properties, the side of each of the first plate 210 and the second plate 220 used to connect to the foldable plate 230 can be nano-processed so that the formed foldable plate 230 can be reliably connected between the first plate 210 and the second plate 220 through nanoimprinting technology.

[0047] With the above technical solution, the heat conduction efficiency between the first plate 210, the foldable plate 230 and the second plate 220 is also relatively high. This allows heat to be conducted between different parts of the display module through this method, relieving the heat transfer pressure of the gas-liquid phase change material 320 and further improving the temperature uniformity of various parts of the display module.

[0048] As described above, both the first body 201 and the second body 202 in the support layer 200 can include a frame, and the frame is a closed ring structure, thereby making the torsional resistance of both the first body 201 and the second body 202 relatively strong. During the formation of the support layer 200, the first body 201 and the second body 202 can be connected to each other by means of bonding, forming a receiving cavity. If both the first body 201 and the second body 202 are made of metal, they can also be welded to form a fixed connection. Specifically, after the first layer body 201 and the second layer body 202 are formed, solder can be applied to the edge of the first layer body 201, and the second layer body 202 can be fastened to the first layer body 201. By using tools such as locking clips, the first layer body 201 and the second layer body 202 can be pre-assembled. Then, by edge sealing welding, the first layer body 201 and the second layer body 202 can be connected by solder, so as to fix the first layer body 201 and the second layer body 202 and form a sealed connection between their edges. The solder forms an edge sealing connector 204 after the welding process.

[0049] As described above, the sealed cavity in the support layer 200 is also filled with a gas-liquid phase change material 320. Therefore, before the first body 201 and the second body 202 are connected, an opening can be formed on the first body 201 by stamping or other methods. After the sealing welding process is completed on the first body 201 and the second body 202, the gas-liquid phase change material 320 can be injected into the cavity using a pipe extending into the opening. Then, to reduce the difficulty of vaporizing the gas-liquid phase change material 320, multiple degassing methods can be used to create a vacuum or near-vacuum environment within the cavity. Furthermore, by cutting off the portion of the pipe located outside the opening and sealing that portion, the cavity is formed into a sealed space. Alternatively, if a capillary element 310 is also provided within the cavity, it can be pre-installed into the first body 201 or the second body 202 before the first body 201 and the second body 202 are connected, and the position of the capillary element 310 can be fixed.

[0050] To further enhance the structural stability of the entire support layer 200, optionally, multiple support columns 203 extending along the thickness direction may be provided on the side of the first layer body 201 facing the second layer body 202. More specifically, support columns 203 may be provided on the side of the first plate 210 and the second plate 220 in the first layer body 201 facing the second layer body 202, so that under the action of the support columns 203, to further prevent the first plate 210 and the second plate 220 in the support layer 200 from torsional deformation and improve the structural strength of the area where the first plate 210 and the second plate 220 are located. As for the part of the first layer body 201 where the foldable plate 230 is located, it may be decided whether to provide support columns 203 according to the actual situation of deformation capacity and structural strength.

[0051] The dimensions of each support column 203 in the aforementioned thickness direction can be determined based on parameters such as the corresponding dimensions of the receiving cavity and the capillary 310, and are not limited here. In addition, the cross-sectional shape of the support column 203 can be circular or rectangular, and the dimensions of the support column 203 in the direction perpendicular to the thickness can also be flexibly selected according to the actual situation.

[0052] Based on the display module disclosed in any of the above embodiments, this application also discloses an electronic device, which includes a housing and any of the above display modules, with the display module mounted on the housing. To ensure that the electronic device has folding capability, the housing may specifically include a first housing and a second housing, and the first housing and the second housing are connected by a hinge mechanism. Of course, the electronic device may also include other functional devices 410 such as a battery and a camera module; for the sake of brevity, they will not be described in detail here.

[0053] As described above, the display module is connected to the housing so that the two can form a mounting cavity. The mounting cavity is used to install functional devices 410. Functional devices 410 such as batteries, circuit boards and processor chips can be installed in the mounting cavity. As for the camera module, a part of it can be installed in the mounting cavity, and the lens of the camera module can be embedded in the housing, thereby ensuring that the camera module can provide normal shooting capabilities.

[0054] Based on the above, at least a portion of the functional device 410 can be located within the mounting cavity. Since the functional device 410 typically generates heat during operation, in order to improve the heat dissipation efficiency of the functional device 410 and thus improve its performance, the electronic device disclosed in this application embodiment can be thermally connected to the first plate 210 in the support layer 200 of the display module. This allows the heat generated by the functional device 410 to be conducted to the display module, and with the heat transfer capability of the display module itself, the heat generated by the functional device 410 can be transferred to a relatively low-temperature area in the electronic device, improving the temperature uniformity of the electronic device and extending the lifespan of each component in the electronic device.

[0055] Specifically, electronic devices typically include a frame 420 for mounting devices, and at least a portion of the frame 420 is usually sandwiched between the display module and the housing. Based on this, the functional device 410 can form a thermally conductive connection with the display module through the frame 420. Furthermore, by using a material with relatively good thermal conductivity, such as metal, the heat transfer efficiency between the functional device 410 and the display module is ensured to be relatively high. The functional device 410 can specifically be a camera module or a processor chip, etc.

[0056] In another embodiment of this application, such as Figure 8As shown, the frame 420 is provided with clearance holes, and the first plate 210, i.e. the display module, is located on one side of the frame 420. At least a portion of the functional device 410 is located on the other side of the frame 420. In order to further improve the heat transfer efficiency, the electronic device may also include a soft thermal conductive layer 430. The soft thermal conductive layer 430 may be silicone grease or the like. In a specific embodiment of this application, the soft thermal conductive layer 430 may be a thermal conductive gel, so that while providing heat conduction, the soft thermal conductive layer 430 may also form a certain adhesive and fixing effect between the functional device 410 and the display module. In this case, both the functional device 410 and the soft thermal conductive layer 430 can be designed to face the clearance hole, and the functional device 410 can be attached to one side surface of the soft thermal conductive layer 430, while the first plate 210 can be attached to the side surface of the soft thermal conductive layer away from the functional device 410. On the one hand, this reduces the number of devices sandwiched between the display module and the functional device 410. On the other hand, it can also prevent air that may seep into the interlayer between the display module and the functional device 410 from hindering the efficient heat transfer process, thereby improving the efficiency of heat transfer between the functional device 410 and the display module. It can also simplify the assembly process of electronic devices and improve processing efficiency.

[0057] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A display module, characterized in that, It includes a display layer and a support layer, which are stacked together. The support layer includes a first body and a second body, which are connected and form a cavity. The cavity is filled with a gas-liquid phase change material. Both the first and second layers include a first plate, a second plate, and a foldable plate. Each of the first and second plates is connected by the foldable plate. The foldable plate is formed of a flexible thermodeformable material, and the size of the foldable plate in the connection direction between the first and second plates is proportional to the temperature.

2. The display module according to claim 1, characterized in that, The display module further includes a capillary element, which is housed in the receiving cavity. The capillary element is provided with multiple capillary channels for transferring the gas-liquid phase change material. Both opposite ends of each capillary channel are connected to the receiving cavity, and one end of each capillary channel extends to the first plate, while the other end of each capillary channel extends to the second plate.

3. The display module according to claim 1, characterized in that, The foldable panel has multiple perforated slits, each of which is arranged to penetrate the foldable panel along the thickness direction. The multiple perforated slits are spaced apart along the connection direction, and each perforated slit extends along the direction of the folding axis of the display module.

4. The display module according to claim 3, characterized in that, The plurality of the perforated slits include at least one first slit and at least one second slit. In the direction of the folding axis, the opposite ends of each first slit are located between the opposite sides of the foldable plate, and one end of each second slit is connected to one side of the opposite sides of the foldable plate.

5. The display module according to claim 1, characterized in that, Both the first plate and the second plate are made of metallic materials.

6. The display module according to claim 1, characterized in that, The first plate and the second plate each have one side edge connected to the opposite sides of the foldable plate using nanoimprint technology.

7. The display module according to claim 1, characterized in that, The first layer body has a plurality of support columns extending along the thickness direction of the foldable plate body on the side facing the second layer body.

8. An electronic device, characterized in that, It includes a housing and a display module as described in any one of claims 1-7.

9. The electronic device according to claim 8, characterized in that, The electronic device includes functional components, the display module is connected to the housing and the two form a mounting cavity, at least a portion of the functional components are located in the mounting cavity, and the functional components are thermally connected to the first plate in the support layer.

10. The electronic device according to claim 9, characterized in that, The electronic device includes a frame and a flexible thermal conductive layer. The frame has clearance holes. The first plate is located on one side of the frame. At least a portion of the functional device is located on the other side of the frame. Both the functional device and the flexible thermal conductive layer are disposed facing the clearance holes. The functional device is attached to one side surface of the flexible thermal conductive layer, and the first plate is attached to the side surface of the flexible thermal conductive layer opposite to the functional device.

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