Display module, manufacturing method of display module, display screen and electronic equipment

Abstract

The embodiment of the invention provides a display module, a manufacturing method of the display module, a display screen and electronic equipment, and the display module comprises a supporting layer which is provided with a light transmitting hole, a display panel layer which at least comprises a display panel and is arranged on one surface of the supporting layer, and a photosensitive component which is arranged on the supporting layer, the light hole is formed in the display panel layer, the light sensing component is arranged on the side, away from the display panel layer, of the supporting layer, the orthographic projection of the light sensing component on the supporting layer falls into the light hole, at least part of the light-transmitting filling piece is arranged in the light hole, and the light-transmitting filling piece is at least connected with the display panel layer. According to the display module, the manufacturing method of the display module, the display screen and the electronic equipment, the problem that broken bright spots and black spots appear at the positions, corresponding to the light holes, of the display screen can be at least relieved or solved.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of display, and in particular, to a display module, a manufacturing method of the display module, a display screen and an electronic device. BACKGROUND

[0002] At present, electronic devices such as mobile phones and computers are inseparable from our lives, can be seen everywhere in life, and greatly improve people's living standards. With the rapid development of communication equipment technology, the related display screen industry is also developing, thereby making the application range of the display screen more and more extensive.

[0003] The display screen includes a display module, and the display module has a transparent cover plate which is arranged on the light-emitting side of the display module. The display module includes a display panel and a support layer assembly, and the support layer assembly is arranged on the side of the display panel away from the transparent cover plate, and plays a role of fixing and supporting the display module. The display module generally also includes a light sensor and other light sensing components. Taking the ambient light sensor as an example, the ambient light sensor is arranged on the side of the support layer assembly away from the display panel, and the ambient light sensor is used to perceive ambient light and then "inform" the processing chip, and then the processing chip adjusts the display panel (such as screen brightness, etc.). The support layer in the support layer assembly is generally made of metal material, which is an opaque material. At this time, an ambient light hole needs to be formed in the support layer assembly, so that the light sensing component can perceive ambient light through the ambient light hole and the display panel and the transparent cover plate.

[0004] However, since the display panel lacks the support of the support layer assembly at the ambient light hole, the display panel at the ambient light hole is prone to appear broken bright spots and black spots during touch and click, which is particularly obvious in the display screen of a foldable electronic device which requires thinning, thereby affecting the service life of the display screen and the user experience. SUMMARY

[0005] Embodiments of the present application provide a display module, a manufacturing method of the display module, a display screen and an electronic device, which can at least alleviate or solve the problem of broken bright spots and black spots at the light transmission hole of the display screen.

[0006] To achieve the above-mentioned purpose, the embodiments of the present application adopt the following technical solutions:

[0007] In a first aspect, an embodiment of the present application provides a display module, comprising a support layer, a display panel layer, a light-sensing component, and a light-transmitting filler, the support layer is provided with a light-transmitting hole, the display panel layer comprises at least a display panel, the display panel layer is arranged on one side of the support layer, the light-sensing component is arranged on the side of the support layer away from the display panel layer, and the orthographic projection of the light-sensing component on the support layer falls in the light-transmitting hole, at least part of the light-transmitting filler is arranged in the light-transmitting hole, and the light-transmitting filler is connected with at least the display panel layer.

[0008] The display module provided by the embodiment of the present application has the following advantages. On the one hand, the light-transmitting filler arranged in the light-transmitting hole has light-transmitting property, and the light-sensing component can normally receive the light signal outside the display module through the light-transmitting hole, so that the light-sensing component can normally work. On the other hand, since the light-transmitting filler is connected with at least the display panel layer, the thickness of the region of the display panel layer corresponding to the light-transmitting hole is increased, so that the impact resistance and the extrusion resistance of the region of the display panel layer corresponding to the light-transmitting hole can be increased, and the problem of the occurrence of bright broken points and black spots in the region of the display panel layer corresponding to the light-transmitting hole can be alleviated or solved. Moreover, since the light-transmitting filler is fixed by being connected with the display panel layer, compared with the way of arranging a transparent light plug in the related art, the thickness of the display module can not be additionally increased, which is conducive to the thinning of the display module (for example, the thinning of the display screen in a foldable electronic device), so as to be conducive to the thinning of the whole electronic device, improve the user experience, and conform to the trend of technological development.

[0009] In a possible implementation, the light-transmitting filler is at least bonded with the display panel layer. The light-transmitting filler is bonded, and bonding is more convenient and faster than other connection methods.

[0010] In a possible implementation, the light-transmitting filler is light-transmitting glue, and the light-transmitting glue is filled in the light-transmitting hole and solidified to form the light-transmitting filler.

[0011] The implementation of filling the light-transmitting glue in the light-transmitting hole to achieve the bonding of the light-transmitting filler and the display panel layer is simple and easy to implement, can accelerate the assembly and arrangement of the light-transmitting filler in the display module, and is conducive to the mass production of the display module.

[0012] In a possible implementation, the light-transmitting glue is bonded with the inner side wall of the light-transmitting hole through its own adhesion.

[0013] After the light-transmitting glue is bonded with the inner side wall of the light-transmitting hole, the light-transmitting filler can form an integral body with the support layer. When the region of the display panel layer corresponding to the light-transmitting hole is impacted or extruded, the force borne by the region of the display panel layer corresponding to the light-transmitting hole can be dispersed and transmitted to the support layer by the light-transmitting filler, so that the problem of the occurrence of bright broken points and black spots in the region of the display panel layer corresponding to the light-transmitting hole can be further alleviated or solved.

[0014] In a possible implementation, the light-transmissive adhesive comprises at least one of an acrylic adhesive, a silicone adhesive, a polyurethane adhesive, or an epoxy adhesive.

[0015] In a possible implementation, the bonding strength between the light-transmissive filling part formed by curing of the light-transmissive adhesive and the display panel layer is greater than or equal to 800 gf / 25 mm, the shear strength of the light-transmissive filling part formed by curing of the light-transmissive adhesive is greater than or equal to 20 kPa, and the elastic modulus of the light-transmissive filling part formed by curing of the light-transmissive adhesive is between 1 MPa and 2000 MPa.

[0016] In this way, the light-transmissive filling part and the display panel layer have good bonding strength, and the light-transmissive filling part has good strength.

[0017] In a possible implementation, the light-transmissive filling part comprises a light-transmissive adhesive layer and a light-transmissive support part, and the light-transmissive support part is bonded to the display panel layer through the light-transmissive adhesive layer. The light-transmissive filling part is formed by combining the light-transmissive adhesive layer and the light-transmissive support part, which facilitates bonding between the light-transmissive filling part and the display panel layer.

[0018] In a possible implementation, the light-transmissive support part is arranged in a gap between the inner side wall of the light-transmissive hole. In this way, the light-transmissive support part can be smoothly placed in the light-transmissive hole.

[0019] In a possible implementation, the light-transmissive support part is filled with an adhesive between the inner side wall of the light-transmissive hole, so as to connect the light-transmissive support part to the inner side wall of the light-transmissive hole. In this way, the effect of alleviating the problem of bright spots and black spots can be further improved.

[0020] In a possible implementation, the material of the light-transmissive support part comprises at least one of glass, a polyethylene terephthalate plate, a polyimide plate, a thermoplastic polyurethane plate, a polyamide plate, a polycarbonate plate, and an acrylic plate.

[0021] In a possible implementation, the material of the light-transmissive adhesive layer is an OCA (optically clear adhesive) light-transmissive adhesive layer or an organic silicon optical transparent resin.

[0022] In a possible implementation, the orthographic projection of the light-transmissive adhesive layer on the display panel layer coincides with the orthographic projection of the light-transmissive support part on the display panel layer. This ensures the stability of the connection between the light-transmissive support part and the display panel layer.

[0023] In a possible implementation, a projection area of the light-transmitting adhesive layer on the display panel layer is smaller than a projection area of the light-transmitting support on the display panel layer, and a distance between a projection boundary of the light-transmitting adhesive layer on the display panel layer and a projection boundary of the light-transmitting support on the display panel layer is less than or equal to 0.4 mm. The connection stability of the light-transmitting support and the display panel layer is ensured.

[0024] In a possible implementation, an end of the light-transmitting filler away from the display panel layer is a convex surface that is convex toward the photosensitive component.

[0025] The light-transmitting filler can be regarded as a convex lens. The ambient light passing through the light-transmitting filler can make the light more concentrated, which is beneficial to the photosensitive property of the photosensitive component.

[0026] In a possible implementation, an end of the light-transmitting filler away from the display panel layer is a concave surface that is concave toward the photosensitive component.

[0027] The light-transmitting filler can be regarded as a concave lens. The ambient light passing through the light-transmitting filler can make the light more divergent, which is not conducive to the photosensitive property of the photosensitive component.

[0028] In a possible implementation, an end of the light-transmitting filler away from the display panel layer is a parallel end surface to the incident end of the photosensitive component. The light-transmitting filler can be regarded as a plane lens, and the light-transmitting filler does not affect the transmission of light.

[0029] In a possible implementation, a ratio between a thickness of the light-transmitting filler and a depth of the light-transmitting hole is between 0.1 and 1.5, and the thickness of the light-transmitting filler is a size of the light-transmitting filler in a depth direction of the light-transmitting hole.

[0030] The light-transmitting filler is too thin, and the effect of relieving the problem of bright spots and black spots is not obvious. The light-transmitting filler is too thick, which affects the light-transmitting property of the light-transmitting filler on the one hand, and additionally increases the thickness of the display module on the other hand.

[0031] In a possible implementation, considering the workability, reliability of the display module, and the influence of the light-transmitting filler on the photosensitivity of ambient light, a ratio between a thickness of the light-transmitting filler and a depth of the light-transmitting hole is between 0.2 and 1.

[0032] In a possible implementation, the light-transmitting rate of the light-transmitting filler is greater than or equal to 88%, and the light-transmitting property of the light-transmitting filler is ensured.

[0033] In a possible implementation, the support layer comprises a support plate and a double-sided adhesive layer, and the support plate is bonded to the display panel layer through the double-sided adhesive layer. In this way, the connection between the support layer and the display panel layer can be achieved in a simple and easy manner.

[0034] In a possible implementation, the display panel layer further comprises a back film arranged between the display panel and the support layer.

[0035] In this way, the display panel can be prevented from being scratched or damaged by the support layer.

[0036] In a possible implementation, the light-sensing component is an ambient light sensor.

[0037] After the ambient light sensor perceives ambient light outside the display module through the light-transmitting hole, the ambient light sensor can transmit a signal to a mainboard, and the mainboard can adjust the display panel (for example, the brightness of the screen) according to the ambient light signal.

[0038] In a possible implementation, the display module further comprises a dispensing film attached to a side of the support layer away from the display panel layer, and the dispensing film is sealed or not sealed to the light-transmitting hole. In this way, the display module can be conveniently transported over a long distance or stored in an environment with a high dust content.

[0039] In a second aspect, an embodiment of the present application provides a manufacturing method of a display module, comprising:

[0040] providing a support layer, and a light-transmitting hole is formed in the support layer;

[0041] providing a display panel layer, and the display panel layer at least comprises a display panel;

[0042] arranging the display panel layer on a side of the support layer;

[0043] arranging a light-transmitting filling piece in the light-transmitting hole, and the light-transmitting filling piece is connected to at least the display panel layer;

[0044] placing a light-sensing component on a side of the support layer away from the display panel layer, and a normal projection of the light-sensing component on the support layer falls in the light-transmitting hole.

[0045] In a possible implementation, after "arranging a light-transmitting filling piece in the light-transmitting hole, and the light-transmitting filling piece is connected to at least the display panel layer", the method further comprises:

[0046] attaching a dispensing film to a side of the support layer away from the display panel layer, and the dispensing film is sealed or not sealed to the light-transmitting hole.

[0047] In a possible implementation, after "attaching a dispensing film to a side of the support layer away from the display panel layer, the dispensing film sealing or not sealing the light-transmitting hole", the method further includes:

[0048] Rolling the display panel layer, the support layer and the dispensing film as a whole.

[0049] In a possible implementation, "providing a light-transmitting filler in the light-transmitting hole, the light-transmitting filler being at least bonded to the back film" includes:

[0050] Filling a light-transmitting adhesive in the light-transmitting hole, the light-transmitting adhesive forming the light-transmitting filler after curing,

[0051] Or, accommodating a light-transmitting support in the light-transmitting hole, and bonding the light-transmitting support to the display panel layer by using a light-transmitting adhesive layer.

[0052] In a third aspect, an embodiment of the present application provides a display screen, which at least includes the display module.

[0053] The display screen provided by the embodiment of the present application has the following advantages. On the one hand, the light-transmitting filler provided in the light-transmitting hole of the display module has light-transmitting property, so that the light signal outside the display module can be normally received by the light-sensing component through the light-transmitting hole, and the light-sensing component can work normally. On the other hand, since the light-transmitting filler is at least connected to the display panel layer, the thickness of the area of the display panel layer corresponding to the light-transmitting hole is increased, so that the impact resistance and the extrusion resistance of the area of the display panel layer corresponding to the light-transmitting hole can be increased, and the problem of bright spots and black spots in the area of the display panel layer corresponding to the light-transmitting hole can be alleviated or solved. Moreover, since the light-transmitting filler is fixed by being connected to the display panel layer, compared with the related art of providing a transparent light plug, the thickness of the display module can not be increased, which is conducive to the thinning of the display module (for example, the thinning of the display screen in a foldable electronic device), and thus is conducive to the thinning of the whole electronic device, improves the user experience, and conforms to the trend of technological development.

[0054] In a fourth aspect, an embodiment of the present application provides an electronic device, which includes a support part, a mainboard and a display screen as described above, the mainboard and the display screen are installed on the support part, and the display screen is electrically connected to the mainboard.

[0055] The electronic device provided by the embodiments of the present application has the following advantages. On the one hand, the light-transmitting filler arranged in the light-transmitting hole of the display assembly has light-transmitting property, and the photosensitive component can normally receive the light signal outside the display module through the light-transmitting hole, so that the photosensitive component can normally work. On the other hand, since the light-transmitting filler is connected with the display panel layer at least, the thickness of the area of the display panel layer corresponding to the light-transmitting hole is increased, so that the impact resistance and the extrusion resistance of the area of the display panel layer corresponding to the light-transmitting hole can be increased, and the problem of bright spots and black spots in the area of the display panel layer corresponding to the light-transmitting hole can be alleviated or solved. Moreover, since the light-transmitting filler is fixed by being connected with the display panel layer, compared with the method of arranging a transparent light plug in the related art, the thickness of the display module can not be additionally increased, which is conducive to the thinning of the display module (for example, the thinning of the display screen in a foldable electronic device), so as to be conducive to the thinning of the whole electronic device, improve the user experience, and conform to the trend of technological development.

[0056] In a possible implementation, the electronic device further includes a rotating part, the supporting part includes a first main part and a second main part, the first main part and the second main part are connected at two sides of the rotating part respectively, the first main part and the second main part are unfolded and folded relative to each other through the rotating part, the display screen includes a folding display part and a first display part and a second display part located at two sides of the folding display part respectively, the first display part and the second display part are attached to the first main part and the second main part respectively, the folding display part is arranged corresponding to the rotating part, the folding display part is used to deform to enable the display screen to be unfolded and folded relative to each other, and the display screen is unfolded and folded relative to each other with the first main part and the second main part. BRIEF DESCRIPTION OF DRAWINGS

[0057] Figure 1 A structural schematic diagram of an electronic device provided by an embodiment of the present application is shown in the figure.

[0058] Figure 2 A structural schematic diagram of an electronic device provided by an embodiment of the present application is shown in the figure.

[0059] Figure 3 A structural schematic diagram of an electronic device provided by an embodiment of the present application is shown in the figure.

[0060] Figure 4 A structural schematic diagram of an electronic device provided by an embodiment of the present application is shown in the figure.

[0061] Figure 5 A structural schematic diagram of a display module in the related art is shown in the figure.

[0062] Figure 6 A structural schematic diagram of a display module in the related art is shown in the figure.

[0063] Figure 7 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0064] Figure 8 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0065] Figure 9 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0066] Figure 10 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0067] Figure 11 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0068] Figure 12 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0069] Figure 13 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0070] Figure 14 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0071] Figure 15 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0072] Figure 16 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0073] Figure 17 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0074] Figure 18 A structural schematic diagram of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0075] Figure 19 A flowchart of a manufacturing method of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0076] Figure 20 A flowchart of a manufacturing method of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0077] Figure 21 A flowchart of a manufacturing method of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0078] Figure 22 A flowchart of a manufacturing method of a display module provided by an embodiment of the present application is shown in FIG. 1.

[0079] Reference Signs List:

[0080] 10 - display module;

[0081] 11 - display assembly;

[0082] 12 - support assembly;

[0083] 13 - photosensitive component;

[0084] 14 - ambient light hole;

[0085] 15 - transparent light plug;

[0086] 16 - boss;

[0087] 17 - base;

[0088] 100 - electronic device;

[0089] 110 - support part; 111 - first main body part; 112 - second main body part;

[0090] 120 - display screen; 121 - folding display part; 122 - first display part; 123 - second display part;

[0091] 130 - rotating part;

[0092] 200 - display module;

[0093] 210 - support layer; 211 - support plate; 212 - double-sided adhesive layer; 213 - light transmission hole;

[0094] 220 - display panel layer; 221 - display panel; 222 - back film;

[0095] 230 - transparent cover plate; 240 - photosensitive component;

[0096] 250 - light transmission filling piece; 251 - light transmission adhesive layer; 252 - light transmission support piece;

[0097] 260 - optical adhesive layer; 270 - polarizing layer; 280 - dispensing film. DETAILED DESCRIPTION

[0098] The terms used in the embodiments of the present application are only used to explain the specific embodiments of the present application, and are not intended to limit the present application, and the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0099] The electronic device can be a mobile phone, a pad, a television, a smart wearable product (for example, a smart watch, a smart bracelet, etc.), a virtual reality (VR) device, an augmented reality (AR) device, or the like, and can also be a digital camera, a single-lens reflex camera, an action camera, or the like. The specific type of the electronic device is not limited in the embodiments of the present application, and the electronic device can be any electronic device with a display screen. For the convenience of understanding, the electronic device is taken as a mobile phone in the embodiments of the present application.

[0100] Figure 1 A structural schematic diagram of an electronic device 100 provided by an embodiment of the present application is shown in FIG. 1. The electronic device 100 provided by the embodiment of the present application includes a support part 110, a main board (not shown in the figure), and a display screen 120. The display screen 120 is electrically connected to the main board, and the main board can monitor and adjust the display screen 120. Figure 1

[0101] Specifically, the support part 110 can provide a structural framework for the electronic device 100. Figure 1 The main board and the display screen 120 are installed on the support part 110. For example, in a straight-line mobile phone, the display screen 120 can be adhered to one side of the support part 110 by means of adhesion, and the main board is arranged inside the support part 110. Of course, in the electronic device 100 provided by another embodiment of the present application, the display screen 120 can also be installed on the support part 110 by means of fasteners, welding, clamping, or the like.

[0102] The display screen 120 is used to display images, videos, and the like. The display screen 120 can also have a touch function. A user can touch a certain pattern on the display screen 120 to realize the running of a certain function. For example, the user can touch a telephone connection or hang-up pattern on the display screen 120 to realize the connection or hang-up of a call, or the user can touch an image of a certain application program on the display screen 120 to realize the starting of the application program, and the like.

[0103] ​It is understood that the support portion 110, as a structural frame component of the electronic device 100, can also be used to install and fix other components of the electronic device 100, and has diverse structures. Exemplarily, in some embodiments of this application, the electronic device 100 may further include multiple components (not shown in the figures), which can be installed inside the support portion 110. These multiple components may include, for example, a processor, internal memory, external memory interface, universal serial bus (BUS) interface, charging management module, power management module, battery, antenna, communication module, camera, audio module, speaker, receiver, microphone, headphone jack, sensor module, buttons, motor, indicator, and subscriber identification module (SIM) card interface, etc. The electronic device 100 may have more or fewer components than described above, may combine two or more components, or may have different component configurations. Each component can be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and / or application-specific integrated circuits. This application does not strictly limit the specific structure of the support portion 110.

[0104] Figure 2 This is a schematic diagram of the unfolded structure of an electronic device 100 provided in an embodiment of this application, with reference to... Figure 2 As shown, the electronic device 100 provided in this application embodiment may further include a rotating part 130. The support part 110 may include a first main body part 111 and a second main body part 112, which are respectively connected to both sides of the rotating part 130. The rotating part 130 enables the first main body part 111 and the second main body part 112 to be relatively unfolded and folded. Figure 2 The example provided uses a foldable mobile phone as a typical example of electronic device 100. In other words, the electronic device 100 provided in this application embodiment can be a candybar device or a foldable device.

[0105] The structures of the first main body 111 and the second main body 112 may be the same, not exactly the same, or completely different. It is understood that the electronic device 100 provided in this application embodiment can form a two-layer folding structure by using one rotating part 130 and two main body parts, or it can form a multi-layer folding structure by using multiple rotating parts 130 and two or more main body parts. In this application example, only two main body parts are described.

[0106] The display screen 120 is attached to the surfaces of the first main body 111 and the second main body 112 that are close to or far apart when folded. For example, as Figure 2As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112.

[0107] As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112. Figure 2 As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112. Figure 3 As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112. Figure 3 As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112.

[0108] As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112. Figure 2 As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112. Figure 3 As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112.

[0109] Figure 4 As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112. Figure 4 As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112.

[0110] As shown in FIG. 1A, when the electronic device 100 is in the unfolded state, the user faces the display screen 120, which is attached to the upper surfaces of the first body part 111 and the second body part 112, in the user's observation angle. During the relative unfolding and folding of the first body part 111 and the second body part 112, the display screen 120 is also unfolded and folded simultaneously with the first body part 111 and the second body part 112. Figure 4The middle dotted line is only used to distinguish the areas of the first display part 122, the second display part 123 and the folding display part 121, and is not an indication of a structure line. The display screen 120 is still a complete screen. In addition, the length and width dimensions of the first display part 122 and the second display part 123 can be the same, can not be completely the same, or can be completely different.

[0111] In the electronic device 100 provided by the embodiment of the present application, the display screen 120 at least includes a display module. Here, “the display screen 120 at least includes a display module” means that the display screen 120 can only include a display module, or the display screen 120 includes other components in addition to the display module. For example, the display screen 120 can include a display module and a frame set around the display module. For another example, the display screen 120 can include a display module and other electronic components for realizing various performances. The embodiment of the present application does not strictly limit the specific structure of the display screen 120, as long as the display screen 120 includes the display module provided by the present application as shown below.

[0112] Figure 5 FIG. 1 is a structural schematic diagram of a display module 10 in the related art. As shown in FIG. 1, in the related art, the display module 10 includes a display assembly 11, a support assembly 12 and a light sensing component 13 disposed on the side of the support assembly 12 away from the display assembly 11. Figure 5 The display assembly 11 is used for displaying images. The support assembly 12 is used for fixing and supporting the display assembly 11. The light sensing component 13 is used for sensing the ambient light outside the display module 10 (i.e., the light emitting side of the display module 10, which refers to the side of the display assembly 11 away from the support assembly 12).

[0113] The display assembly 11 is made of a light-transmitting material. The support assembly 12 is generally a metal piece or a polymer, and is generally made of a non-light-transmitting material or a material with poor light-transmitting property. In order to enable the light sensing component 13 to normally sense the ambient light outside the display module 10, the related art will open an ambient light hole 14 on the support assembly 12, and the light sensing component 13 is disposed corresponding to the ambient light hole 14, so that the light sensing component 13 can sense the ambient light outside the display module 10 through the ambient light hole 14 and the display assembly 11.

[0114] However, due to the lack of support protection of the support assembly 12 at the ambient light hole 14 corresponding to the display assembly 11, the area corresponding to the ambient light hole 14 of the display assembly 11 is prone to impact and extrusion damage during the process of the display module 10 being touched and clicked by the user, resulting in broken bright spots and black spots. In some straight bar type mobile phones, due to the relatively thick thickness of the display assembly 11, the area corresponding to the ambient light hole 14 of the display assembly 11 is not prone to impact and extrusion damage, so the problem of broken bright spots and black spots caused by this problem is not obvious in some straight bar type mobile phones. However, with the development of technology, the trend of thinning obviously does not match the relatively thick existence mode of the display module 10. In addition, with the development of technology, foldable electronic devices have become a hot technology. In foldable electronic devices, the display module is required to be lighter and thinner, and the display assembly 11 is more prone to the problem of broken bright spots and black spots at the ambient light hole 14.

[0115] To solve the above problems, Figure 6 For a structural schematic diagram of a display module 10 in the related art, referring to Figure 6 As shown in the related art, a transparent light plug 15 will be added at the ambient light hole 14. The cross section of the transparent light plug 15 is in the shape of "convex", and the convex boss 16 protruding outward of the transparent light plug 15 extends into the ambient light hole 14, and the base 17 around the convex boss 16 of the transparent light plug 15 is bonded to the side of the support assembly 12 away from the display assembly 11. The convex boss 16 part of the transparent light plug 15 extending into the ambient light hole 14 can support and protect the area of the display assembly 11 corresponding to the ambient light hole 14, which can reduce the occurrence of broken bright spots and black spots in the area of the display assembly 11 corresponding to the ambient light hole 14. The base 17 around the convex boss 16 of the transparent light plug 15 can reconnect the support assembly 12 as a whole, thereby preventing impact and extrusion damage of the display assembly 11 corresponding to the support assembly 12, and further reducing the occurrence of broken bright spots and black spots in the area of the display assembly 11 corresponding to the ambient light hole 14.

[0116] However, the base 17 around the convex boss 16 of the transparent light plug 15 needs to have a certain strength to ensure the installation stability of the transparent light plug 15 and the structural stability of the transparent light plug 15 when it is bent under stress at the ambient light hole 14. Therefore, the thickness of the base 17 of the transparent light plug 15 is generally set to be greater than 0.2mm, which will increase the longitudinal space occupied by the display module 10 as a whole, thereby increasing the thickness of the electronic device, which is not conducive to the thinning of the electronic device.

[0117] To solve the above problems, the display module, the manufacturing method of the display module, the display screen and the electronic device are provided, wherein the display module comprises a display panel layer, a transparent cover plate and a support layer respectively located on both sides of the display panel layer, and a photosensitive component disposed on the side of the support layer away from the display panel layer, and a light transmission hole is formed on the support layer, and the photosensitive component corresponding to the light transmission hole can collect the ambient light signal of the display panel layer on the side of the transparent cover plate through the light transmission hole. The display module further comprises a light transmission filling piece, at least part of the light transmission filling piece is arranged in the light transmission hole, and the light transmission filling piece is connected with at least the display panel layer.

[0118] The light transmission filling piece can not affect the light transmission of the light transmission hole, so that the photosensitive component can normally receive the ambient light signal on the light emitting side of the display panel layer. Moreover, the light transmission filling piece located in the light transmission hole is connected with at least the display panel layer, which is equivalent to increasing the thickness of the display panel layer corresponding to the region of the light transmission hole, and can increase the impact resistance and extrusion resistance of the display panel layer corresponding to the region of the light transmission hole, and can alleviate or solve the problem of bright spots and black spots in the region of the display panel layer corresponding to the light transmission hole. In addition, since the light transmission filling piece is connected with the display panel layer to complete its own fixation, compared with the related art of setting a transparent light plug, the thickness of the display module can not be additionally increased, which is conducive to the thinning of the display module, thereby being conducive to the thinning of the electronic device containing the display module, and conforming to the trend of technological development.

[0119] The display module provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0120] Figure 7 For the structure schematic diagram of the display module 200 provided by an embodiment of the present application, as shown in Figure 7 The display module 200 provided by the embodiments of the present application comprises a support layer 210, a display panel layer 220, a transparent cover plate 230, a photosensitive component 240 and a light transmission filling piece 250.

[0121] Specifically, the support layer 210 can play a supporting and fixing role for the whole display module 200. In some embodiments of the present application, the support layer 210 can comprise a support plate 211 and a double-sided adhesive layer 212, the double-sided adhesive layer 212 is attached to one side of the support plate 211, and the double-sided adhesive layer 212 is used to bond the display panel layer 220 and the support plate 211, thereby facilitating the connection between the support layer 210 and the display panel layer 220. In a straight bar type mobile phone, the support plate 211 can be a metal piece, etc., and in a foldable mobile phone, the support plate 211 can be a memory metal piece and a polymer with memory, etc. The specific structure of the support layer 210 is not limited in the embodiments of the present application, as long as it can play a supporting and fixing role for the whole display module 200.

[0122] The display panel layer 220 includes at least a display panel 221, and is disposed on one side of the support layer 210. Here, "the display panel layer 220 includes at least a display panel 221" means that the display panel layer 220 includes only the display panel 221 or that the display panel layer 220 includes other components besides the display panel 221. For example, such as... Figure 7 As shown, the display panel layer 220 may include a display panel 221 and a back film 222. The back film 222 is attached to the side of the display panel 221 facing the support layer 210 and is used to connect with the support layer 210. In some embodiments of this application, the back film 222 may be bonded to a double-sided adhesive layer 212 attached to the support plate 211. The back film 222, sandwiched between the display panel 221 and the support layer 210, prevents the display panel 221 from being scratched by the support layer 210, thus protecting the display panel 221.

[0123] The display panel 221 can display images and videos, and can be a liquid crystal display (LCD), an organic light-emitting diode (OLED) display panel, an active-matrix organic light-emitting diode (AMOLED) display panel, a flexible light-emitting diode (FLED) display panel, a quantum dot light-emitting diode (QLED) display panel, etc.

[0124] A transparent cover plate 230 is disposed on the side of the display panel layer 220 opposite to the support layer 210, for example, referring to... Figure 7 As shown, an optical adhesive layer 260 can be laid on the side of the display panel layer 220 facing away from the support layer 210, and the transparent cover plate 230 is bonded to the display panel layer 220 through the optical adhesive layer 260. The optical adhesive layer 260 can be OCA (optically clear adhesive) or optically clear resin (OCR). OCA optical adhesive is colorless and transparent, has a light transmittance of over 95%, good bonding strength, can be cured at room temperature or medium temperature, and has low curing shrinkage. The OCR optical adhesive placed between the transparent cover plate 230 and the display panel 221 can effectively suppress light scattering caused by external light and backlight, improving the display effect of the display panel 221.

[0125] The photosensitive element 240 is arranged on the side of the support layer 210 away from the display panel layer 220, and the support layer 210 is provided with a light transmission hole 213, and the orthographic projection of the photosensitive element 240 on the support layer 210 falls in the light transmission hole 213. The shape of the light transmission hole 213 can be set according to actual needs. For example, the light transmission hole 213 can be a regular shape such as a circle, an ellipse, a square, etc., or an irregular shape. The shape of the light transmission hole 213 can be the same as or different from the orthographic projection shape of the photosensitive element 240 on the support layer 210. The embodiments of the present application do not limit the shape of the light transmission hole 213, as long as the orthographic projection of the photosensitive element 240 on the support layer 210 falls in the light transmission hole 213. In addition, the embodiments of the present application do not limit the setting position of the light transmission hole 213. For example, the light transmission hole 213 can be located on at least one of the first display part 122, the second display part 123, or the folding display part 121.

[0126] The photosensitive element 240 is a general term of a photosensitive element and a photosensitive device, that is, the photosensitive element 240 can be a photosensitive element or a photosensitive device. For example, the photosensitive element 240 can be a charge-coupled device (CCD), a complementary metal oxide semiconductor (CMOS) element, or a camera assembly, etc. The photosensitive element 240 can be electrically connected with the mainboard of the electronic device. The photosensitive element 240 can collect light signals on the light emitting side of the display panel 221 through the light transmission hole 213. The specific type of the photosensitive element 240 is not limited in the embodiments of the present application.

[0127] In some embodiments of the present application, the photosensitive element 240 is an ambient light sensor. The ambient light sensor and the display panel 221 can be electrically connected with the mainboard of the electronic device. After the ambient light sensor perceives ambient light outside the display module 200 through the light transmission hole 213, the ambient light sensor transmits a signal to the mainboard, and the mainboard can adjust the display panel 221 (for example, the brightness of the screen, etc.) according to the ambient light signal.

[0128] The light transmission filler 250 has light transmission property, and the light transmission rate of the light transmission filler 250 can include but is not limited to greater than or equal to 88%. At least part of the light transmission filler 250 is arranged in the light transmission hole 213. "At least part of the light transmission filler 250 is arranged in the light transmission hole 213" means that the light transmission filler 250 can be partially arranged in the light transmission hole 213, and the other part is located outside the light transmission hole 213, or the light transmission filler 250 can be completely arranged in the light transmission hole 213. For example, as shown in FIG. 2B, the light transmission filler 250 is arranged in the light transmission hole 213. Figure 7 Figure 7 ​For example, the case where the light-transmissive filler 250 is entirely arranged in the light-transmissive hole 213 is described.

[0129] The light-transmissive filler 250 is connected to at least the display panel layer 220. The light-transmissive filler 250 being connected to at least the display panel layer 220 means that the light-transmissive filler 250 can be connected to only the display panel layer 220, or the light-transmissive filler 250 can be connected to other components in addition to the display panel layer 220, for example, the light-transmissive filler 250 can also be connected to the inner side wall of the light-transmissive hole 213. For example, as shown in Figure 7 Figure 7 For example, the case where the light-transmissive filler 250 is connected to only the display panel layer 220 is described.

[0130] The manner in which the light-transmissive filler 250 is connected to the display panel layer 220 can be adhesion, clamping, insertion, and other connection manners in the prior art. For example, the display panel layer 220 can include a light-transmissive mounting plate (not shown in the figure), a plurality of insertion holes are formed on the light-transmissive mounting plate, and a plurality of insertion heads are arranged on the light-transmissive filler 250, the insertion heads are inserted into the insertion holes to achieve the connection between the light-transmissive filler 250 and the display panel layer 220.

[0131] It should be understood that Figure 7 The drawings in the present application are not drawn according to the actual proportions and sizes of the parts, and the same applies to other drawings, so the present application should not be limited to the proportions, sizes, etc. shown in the drawings. In addition, Figure 8 In the drawings appearing in the present application and hereinafter, the filling patterns are only used to distinguish between the parts, and are not specifically directed to a certain part by a certain filling pattern.

[0132] It can be understood that the display module 200 provided by the embodiments of the present application has the following advantages. On the one hand, since the light-transmissive filler 250 arranged in the light-transmissive hole 213 has light-transmissive property, the photosensitive component 240 can normally receive the light signal outside the display module 200 through the light-transmissive hole 213, so that the photosensitive component 240 can normally work. On the other hand, since the light-transmissive filler 250 is connected to at least the display panel layer 220, the thickness of the region of the display panel layer 220 corresponding to the light-transmissive hole 213 is increased, so that the impact resistance and the extrusion resistance of the region of the display panel layer 220 corresponding to the light-transmissive hole 213 can be increased, and the problem of bright spots and black spots appearing in the region of the display panel layer 220 corresponding to the light-transmissive hole 213 can be alleviated or solved. Moreover, since the light-transmissive filler 250 is fixed by being connected to the display panel layer 220, compared with the manner of arranging a transparent light plug in the related art, the thickness of the display module 200 can not be additionally increased, which is conducive to the thinning of the display module 200 (for example, the thinning of the display screen in a foldable electronic device), thereby being conducive to the thinning of the entire electronic device, improving the user experience, and conforming to the trend of technological development.​

[0133] Of course, the present application is not limited to this, Figure 8 The structural schematic diagram of the display module 200 provided by an embodiment of the present application is shown in Figure 8 The display module 200 provided by the embodiment of the present application can also be additionally provided with a polarizing layer 270 according to actual needs, and the polarizing layer 270 is arranged between the transparent cover plate 230 and the display panel layer 220. For example, as shown in Figure 8 The polarizing layer 270 is arranged on the side of the display panel layer 220 away from the support layer 210, and then the polarizing layer 270 is bonded to the transparent cover plate 230 through the optical adhesive layer 260. The arrangement of the polarizing layer 270 is arranged according to actual needs, and the mode without the polarizing layer 270 can reduce the power consumption of the display module 200. In addition, it can be known from Figure 8 In some other embodiments of the present application, the light-transmitting filler 250 can be connected with the display panel layer 220 while being connected with the inner side wall of the light-transmitting hole 213, and the specific implementation mode can be referred to in the following description.

[0134] In order to facilitate the connection of the light-transmitting filler 250 and the display panel layer 220, in some embodiments of the present application, the light-transmitting filler 250 adopts the bonding mode, which is more convenient and fast than other connection modes.

[0135] The present application embodiment lists two bonding modes of the light-transmitting filler 250 and the display panel layer 220, of course, the present application embodiment also does not exclude other bonding modes of the light-transmitting filler 250 and the display panel layer 220. In addition, the implementation modes mentioned in the present application embodiment are not only applicable to the straight-line type electronic device, but also applicable to the foldable electronic device (including the inner folding foldable electronic device and the outer folding foldable electronic device).

[0136] The first bonding mode of the light-transmitting filler 250 and the display panel layer 220 can continue to refer to Figure 8 The light-transmitting filler 250 is a light-transmitting adhesive, and the light-transmitting filler 250 is formed by filling and solidifying the light-transmitting hole 213. The light-transmitting adhesive can adopt one of the acrylic adhesive, the organic silicon adhesive, the polyurethane adhesive or the epoxy adhesive, or a combination of two or more adhesives. In order to ensure the light transmission of the light-transmitting filler 250 after the light-transmitting adhesive is solidified, the light transmission rate of the light-transmitting adhesive is configured to be greater than or equal to 88%.

[0137] It can be understood that the implementation mode of filling the light-transmitting adhesive into the light-transmitting hole 213 to bond the light-transmitting filler 250 and the display panel layer 220 is simple and easy to implement, which can accelerate the assembly and setting of the light-transmitting filler 250 in the display module 200, and is beneficial to the mass production of the display module 200. Continue to refer to Figure 8As shown, the light-transmitting adhesive can also bond to the inner wall of the light-transmitting hole 213 through its own adhesiveness. After the light-transmitting adhesive bonds to the inner wall of the light-transmitting hole 213, the light-transmitting filler 250 can form an integral whole with the support layer 210. When the area of ​​the display panel layer 220 corresponding to the light-transmitting hole 213 is impacted or squeezed, the force on the area of ​​the display panel layer 220 corresponding to the light-transmitting hole 213 can be dispersed and transferred to the support layer 210 by the light-transmitting filler 250, thereby further alleviating the problem of bright spots and black spots appearing in the area of ​​the display panel layer 220 corresponding to the light-transmitting hole 213.

[0138] When the display panel 221 provided in this application embodiment is assembled in a foldable electronic device, the light-transmitting filler 250 formed by the light-transmitting adhesive is directly bonded to the inner sidewall of the display panel layer 220 and the light-transmitting hole 213. When the foldable electronic device is bent, the light-transmitting filler 250 will undergo slight relative displacement with respect to the display panel layer 220. In order to ensure good adhesion between the light-transmitting filler 250 and the display panel layer 220 and the strength of the light-transmitting filler 250 itself, in some embodiments of this application, the adhesion strength between the light-transmitting filler 250 formed by the curing of the light-transmitting adhesive and the display panel layer 220 is configured to be greater than or equal to 800gf / 25mm, the shear strength of the light-transmitting filler 250 formed by the curing of the light-transmitting adhesive is greater than or equal to 20kPa, and the elastic modulus of the light-transmitting filler 250 formed by the curing of the light-transmitting adhesive is between 1-2000MPa.

[0139] The light-transmitting adhesive filled into the light-transmitting hole 213 can be just enough to completely fill the light-transmitting hole 213 (e.g., Figure 9 As shown in the figure, it can also be that part of the light-transmitting hole 213 is filled (as shown in the figure). Figure 9 As shown, Figure 10 (This is a schematic diagram of the structure of a display module 200 provided in an embodiment of this application), or it can be a small number of overflow light-transmitting holes 213 (such as...) Figure 10 As shown, Figure 8 (This is a schematic diagram of the structure of a display module 200 provided in an embodiment of this application).

[0140] To adapt to the operating conditions of the display module 200, the ratio between the thickness of the light-transmitting filler 250 formed after the light-transmitting adhesive has cured and the depth of the light-transmitting hole 213 can be configured to be between 0.1 and 1.5. For example, the ratio between the thickness of the light-transmitting filler 250 and the depth of the light-transmitting hole 213 can be 0.1, 0.2, 0.5, 1.0, 1.3, 1.5, etc. The thickness of the light-transmitting filler 250 refers to its dimension in the depth direction of the light-transmitting hole 213.

[0141] If the light-transmitting filler 250 is too thin, its effect on alleviating bright spots and dark spots will be insignificant. If the light-transmitting filler 250 is too thick, it will affect the light transmittance of the light-transmitting filler 250 itself, and it will also increase the thickness of the display module 200. Considering the feasibility and reliability of the display module 200, as well as the influence of the light-transmitting filler 250 on the photosensitivity of ambient light, in some embodiments of this application, the ratio between the thickness of the light-transmitting filler 250 and the depth of the light-transmitting hole 213 can be configured to be between 0.2 and 1.

[0142] In practical applications, the ratio between the thickness of the light-transmitting filler 250 and the depth of the light-transmitting hole 213 is generally set to 1, that is, the light-transmitting filler 250 just fills the light-transmitting hole 213, and the end of the light-transmitting filler 250 away from the display panel layer 220 is flush with the side of the support layer 210 away from the display panel layer 220 (for example...). Figure 8 (As shown in the diagram). This allows for convenient control of the thickness of the light-transmitting filler 250. For example, the light-transmitting adhesive can be slightly overflowed from the light-transmitting hole 213, and then the side of the support layer 210 facing away from the display panel layer 220 can be smoothed out. On the other hand, it does not increase the thickness of the display module 200.

[0143] In the embodiment where the light-transmitting adhesive is cured to form the light-transmitting filler 250, the end of the light-transmitting filler 250 away from the display panel layer 220 is exposed to the air, and the shape of the end of the light-transmitting filler 250 away from the display panel layer 220 can be changed according to specific needs.

[0144] For example, the end of the light-transmitting filler 250 away from the display panel layer 220 can be an end face parallel to the incident end of the photosensitive element 240 (e.g., Figure 11 As shown in the figure, when the end of the light-transmitting filler 250 away from the display panel layer 220 can be an end face parallel to the incident end of the photosensitive element 240, the light-transmitting filler 250 will not affect the transmission of light.

[0145] For example, the end of the light-transmitting filler 250 away from the display panel layer 220 can be a convex surface protruding towards the photosensitive element 240 (e.g., Figure 11 As shown, Figure 11 (This is a schematic diagram of the structure of a display module 200 provided in an embodiment of this application). In this case, the light-transmitting filler 250 can be regarded as a convex lens, and ambient light passing through the light-transmitting filler 250 can make the light more focused (e.g., Figure 12 (As shown by the dashed line in the middle), which is beneficial to the photosensitive characteristics of the photosensitive element 240.

[0146] For example, the end of the light-transmitting filler 250 away from the display panel layer 220 can be a concave surface facing the photosensitive element 240 (e.g., Figure 12 As shown,Figure 12 (This is a schematic diagram of the structure of a display module 200 provided in an embodiment of this application). In this case, the light-transmitting filler 250 can be regarded as a concave lens, and ambient light passing through the light-transmitting filler 250 can make the light more diffuse (e.g., Figure 13 (As shown by the dashed line in the middle), which is not conducive to the photosensitive characteristics of the photosensitive element 240.

[0147] In this embodiment, the shape of the end of the light-transmitting filler 250 away from the display panel layer 220 is not limited, and it can be set according to specific working conditions.

[0148] It should be noted that when the end of the light-transmitting filler 250 away from the display panel layer 220 is not a plane, the thickness of the light-transmitting filler 250 refers to the thickness of the thickest part of the light-transmitting filler 250.

[0149] The second embodiment of bonding the light-transmitting filler 250 to the display panel layer 220 Figure 13 This is a schematic diagram of the structure of a display module 200 provided in one embodiment of this application, with reference to... Figure 13 As shown, the light-transmitting filler 250 may include a light-transmitting adhesive layer 251 and a light-transmitting support 252, which is bonded to the display panel layer 220 via the light-transmitting adhesive layer 251. The light-transmitting adhesive layer 251 may be an OCA (optically clear adhesive) or an optically clear resin (OCR) adhesive. The light-transmitting support 252 may be made of one or more of the following: glass, polyethylene terephthalate (PET) sheet, colorless polyimide (CPI) sheet, thermoplastic polyurethane (TPU) sheet, polyamide (PA) sheet, polycarbonate (PC) sheet, and acrylic sheet, or a combination of two or more of these materials. The light-transmitting support 252 is a solid sheet material. To ensure the light transmission effect of the light-transmitting filler 250, the light transmittance of the light-transmitting adhesive layer 251 is configured to be greater than or equal to 88%, and the light transmittance of the light-transmitting support 252 is configured to be greater than or equal to 88%.

[0150] It is easy to understand that combining the light-transmitting adhesive layer 251 with the light-transmitting support member 252 to form the light-transmitting filler 250 also facilitates the bonding between the light-transmitting filler 250 and the display panel layer 220. For example, by applying the light-transmitting adhesive layer 251 to one side of the light-transmitting support member 252 and then pressing the entire light-transmitting filler 250 into the light-transmitting hole 213, the bonding between the light-transmitting filler 250 and the display panel layer 220 can be achieved.

[0151] In this embodiment, similar to the first embodiment in which the light-transmissive filler 250 is bonded to the display panel layer 220, the thickness of the light-transmissive filler 250 can be just equal to the depth of the light-transmissive hole 213 (as shown in FIG. 2A), or the thickness of the light-transmissive filler 250 can be less than the depth of the light-transmissive hole 213 (as shown in FIG. 2B), or the thickness of the light-transmissive filler 250 can be greater than the depth of the light-transmissive hole 213 (as shown in FIG. 2C). Figure 14 Figure 14 Figure 15 Figure 15 Figure 13

[0152] In order to adapt to the use conditions of the display module 200, the ratio between the overall thickness of the light-transmissive adhesive layer 251 and the light-transmissive support 252 and the depth of the light-transmissive hole 213 can be configured to be between 0.1 and 1.5, for example, the ratio between the overall thickness of the light-transmissive adhesive layer 251 and the light-transmissive support 252 and the depth of the light-transmissive hole 213 can be 0.1, 0.2, 0.5, 1.0, 1.3, 1.5, etc. The overall thickness of the light-transmissive adhesive layer 251 and the light-transmissive support 252 is the dimension of the light-transmissive filler 250 in the depth direction of the light-transmissive hole 213.

[0153] Considering the workability, reliability of the display module 200 and the influence of the light-transmissive filler 250 on the photosensitivity to ambient light, in some embodiments of the present application, the ratio between the overall thickness of the light-transmissive adhesive layer 251 and the light-transmissive support 252 and the depth of the light-transmissive hole 213 can be configured to be between 0.2 and 1.

[0154] The thickness of the light-transmissive adhesive layer 251 and the light-transmissive support 252 is not limited in the embodiments of the present application, for example, in some embodiments of the present application, the thickness of the light-transmissive adhesive layer 251 can be set to be between 10 μm and 150 μm, and the thickness of the light-transmissive support 252 can be set to be between 10 μm and 250 μm.

[0155] In addition, similar to the first embodiment in which the light-transmissive filler 250 is bonded to the display panel layer 220, the end of the light-transmissive support 252 away from the display panel layer 220 can also be set to be parallel to the end surface of the incident end of the photosensitive component 240, convex to the photosensitive component 240, or concave to the photosensitive component 240. The shape of the end of the light-transmissive support 252 away from the display panel layer 220 is not limited in the embodiments of the present application, and it can be set according to the specific working conditions. Herein, no further description is given.

[0156] ​​​​​It should be noted that when the end of the light-transmitting support member 252 that is away from the display panel layer 220 is not a plane, the thickness of the light-transmitting filler member 250 refers to the thickness of the thickest part of the light-transmitting filler member 250.

[0157] Continue to refer to Figure 13 As shown, since the light-transmitting support 252 is a solid plate, considering practical operability and to facilitate its easy insertion into the light-transmitting hole 213, in some embodiments of this application, the light-transmitting support 252 and the inner wall of the light-transmitting hole 213 are spaced apart. This can be understood as the size of the light-transmitting support 252 being smaller than the size of the light-transmitting hole 213. For example, in some embodiments of this application, the light-transmitting hole 213 is a circular hole, and the light-transmitting support 252 and the light-transmitting hole 213 are concentrically arranged, with the distance between the circular edge of the light-transmitting support 252 and the inner wall of the light-transmitting hole 213 being greater than or equal to 0.05 mm.

[0158] The light-transmitting adhesive layer 251 is pre-attached to the light-transmitting support member 252, and the orthographic projection of the light-transmitting adhesive layer 251 on the display panel layer 220 can coincide with the orthographic projection of the light-transmitting support member 252 on the display panel layer 220 (e.g., Figure 16 (As shown in the diagram). Alternatively, the projected area of ​​the light-transmitting adhesive layer 251 on the display panel layer 220 may be smaller than the projected area of ​​the light-transmitting support member 252 on the display panel layer 220 (e.g., Figure 16 As shown, Figure 17 (This is a schematic diagram of the structure of a display module 200 provided in an embodiment of this application). In order to ensure the bonding strength between the light-transmitting support member 252 and the display panel layer 220, the distance between the projection boundary of the light-transmitting adhesive layer 251 on the display panel layer 220 and the projection edge of the light-transmitting support member 252 on the display panel layer 220 is less than or equal to 0.4mm.

[0159] Figure 17 This is a schematic diagram of the structure of a display module 200 provided in one embodiment of this application, with reference to... Figure 17 As shown, in the embodiment where the light-transmitting filler 250 includes a light-transmitting adhesive layer 251 and a light-transmitting support 252, to further enhance the effect of mitigating bright spots and dark spots, after the light-transmitting support 252 is assembled into the light-transmitting hole 213, an adhesive (such as...) can be filled between the light-transmitting support 252 and the inner wall of the light-transmitting hole 213. Figure 18 The shaded area around the light-transmitting support 252 connects the light-transmitting support 252 to the inner wall of the light-transmitting hole 213. The filling adhesive can be one of acrylic adhesive, silicone adhesive, polyurethane adhesive, or epoxy adhesive, or a combination of two or more of the above adhesives.

[0160] Figure 18 This is a schematic diagram of the structure of a display module 200 provided in one embodiment of this application, with reference to...Figure 18 As shown, in some embodiments of the present application, a dispensing film 280, such as a rhombus dispensing film, can also be included, which is attached to the side of the support layer 210 away from the display panel layer 220. The dispensing film 280 can or can not seal the light transmission hole 213. Figure 19 In some embodiments of the present application, the dispensing film 280 is used to seal the light transmission hole 213.

[0161] The dispensing film 280 is used to mount the other parts of the display module 200, except for the light sensing component 240, to the electronic device. In addition, the dispensing film 280 can also have a dustproof effect, and is suitable for long-distance transportation of the display module 200, or in a scene with a high dust content. When the dust content is low, the dispensing film 280 can not seal the light transmission hole 213. After the display module 200 is assembled to the electronic device, the dispensing film 280 at the light transmission hole 213 needs to be removed.

[0162] The present application provides four groups of reliability tests of the position of the light transmission filler 250 at the light transmission hole 213 of the display module 200:

[0163] The first group of tests. Table 1 shows the test data of the light transmission filler 250 being a light transmission adhesive protruding towards the light sensing component 240. In this test, the diameter of the light transmission hole 213 of the support plate 211 is 2.6 mm, the diameter of the light transmission hole 213 of the double-sided adhesive tape layer is 3.0 mm, the falling ball test uses a steel ball with a weight of 32.65 g and a diameter of 2 cm, and the extrusion head test uses an extrusion flat head with a diameter of 1.2 mm. The blank control, scheme one, scheme two, scheme three, and scheme four have the same test conditions except for the thickness of the light transmission adhesive.

[0164] Referring to Table 1, in the blank control group, the light transmission hole 213 is not filled with light transmission glue, the ball drop height is 0.4 cm when the display panel layer 220 appears a bright spot or a black spot, the extrusion flat head exerts a force of 10 N when the display panel layer 220 appears a bright spot or a black spot at the center position corresponding to the light transmission hole 213, and the extrusion flat head exerts a force of 13 N when the display panel layer 220 appears a bright spot or a black spot at the edge position corresponding to the light transmission hole 213. When the thickness of the light transmission glue filled in the light transmission hole 213 is 0.2 of the depth of the light transmission hole 213, the ball drop height is 0.5 cm when the display panel layer 220 appears a bright spot or a black spot, the extrusion flat head exerts a force of 20 N when the display panel layer 220 appears a bright spot or a black spot at the center position corresponding to the light transmission hole 213, and the extrusion flat head exerts a force of 16 N when the display panel layer 220 appears a bright spot or a black spot at the edge position corresponding to the light transmission hole 213. When the thickness of the light transmission glue filled in the light transmission hole 213 is 0.5 of the depth of the light transmission hole 213, the ball drop height is 0.7 cm when the display panel layer 220 appears a bright spot or a black spot, the extrusion flat head exerts a force of 26 N when the display panel layer 220 appears a bright spot or a black spot at the center position corresponding to the light transmission hole 213, and the extrusion flat head exerts a force of 20 N when the display panel layer 220 appears a bright spot or a black spot at the edge position corresponding to the light transmission hole 213. When the thickness of the light transmission glue filled in the light transmission hole 213 is 0.9 of the depth of the light transmission hole 213, the ball drop height is 1.0 cm when the display panel layer 220 appears a bright spot or a black spot, the extrusion flat head exerts a force of 33 N when the display panel layer 220 appears a bright spot or a black spot at the center position corresponding to the light transmission hole 213, and the extrusion flat head exerts a force of 20 N when the display panel layer 220 appears a bright spot or a black spot at the edge position corresponding to the light transmission hole 213. When the thickness of the light transmission glue filled in the light transmission hole 213 is 1.2 of the depth of the light transmission hole 213, the ball drop height is 1.2 cm when the display panel layer 220 appears a bright spot or a black spot, the extrusion flat head exerts a force of 38 N when the display panel layer 220 appears a bright spot or a black spot at the center position corresponding to the light transmission hole 213, and the extrusion flat head exerts a force of 33 N when the display panel layer 220 appears a bright spot or a black spot at the edge position corresponding to the light transmission hole 213.

[0165] It should be noted that in the ball drop test, the ball is spherical with a diameter of 2 cm, and the ball cannot cover the center position and the edge position of the light transmission hole 213, nor can it accurately land at the center position or the edge position. Therefore, in the ball drop test, the ball drop height failure value is the failure value of the ball at any landing point.

[0166]

[0167] Table 1: Influence test data of light transmission filler being light transmission glue protruding towards the photosensitive component

[0168] As can be seen from Table 1, the thicker the light-transmitting adhesive, the better the reliability of the display panel layer 220 at the position corresponding to the light-transmitting hole 213. When the light-transmitting adhesive is convex towards the photosensitive component 240, the reliability of the display panel layer 220 at the central position corresponding to the light-transmitting hole 213 is better than that at the edge position corresponding to the light-transmitting hole 213, because the light-transmitting adhesive at the central position is thicker, and has stronger impact resistance and extrusion resistance.

[0169] In the second group of tests, Table 2 shows the test data of the light-transmitting adhesive with the light-transmitting filler 250 being concave towards the photosensitive component 240. In this test, the diameter of the light-transmitting hole 213 of the support plate 211 is 2.6 mm, the diameter of the light-transmitting hole 213 of the double-sided adhesive tape layer is 3.0 mm, the falling ball is a steel ball with a weight of 32.65 g and a diameter of 2 cm, and the extrusion head is an extrusion flat head with a diameter of 1.2 mm. The test conditions of the blank control, scheme one, scheme two, scheme three and scheme four are all the same except for the thickness of the light-transmitting adhesive.

[0170] Referring to Table II, in the blank control group, the light-transmitting hole 213 is not filled with light-transmitting glue, the ball drop height is 0.4 cm when the bright spot or black spot appears on the display panel layer 220, the extrusion flat head exerts a force of 10 N when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light-transmitting hole 213, and the extrusion flat head exerts a force of 13 N when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light-transmitting hole 213. When the thickness of the light-transmitting glue filled in the light-transmitting hole 213 is 0.5 times the depth of the light-transmitting hole 213, the ball drop height is 0.6 cm when the bright spot or black spot appears on the display panel layer 220, the extrusion flat head exerts a force of 16 N when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light-transmitting hole 213, and the extrusion flat head exerts a force of 22 N when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light-transmitting hole 213. When the thickness of the light-transmitting glue filled in the light-transmitting hole 213 is 0.7 times the depth of the light-transmitting hole 213, the ball drop height is 0.8 cm when the bright spot or black spot appears on the display panel layer 220, the extrusion flat head exerts a force of 20 N when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light-transmitting hole 213, and the extrusion flat head exerts a force of 28 N when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light-transmitting hole 213. When the thickness of the light-transmitting glue filled in the light-transmitting hole 213 is 1.0 times the depth of the light-transmitting hole 213, the ball drop height is 1.0 cm when the bright spot or black spot appears on the display panel layer 220, the extrusion flat head exerts a force of 28 N when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light-transmitting hole 213, and the extrusion flat head exerts a force of 35 N when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light-transmitting hole 213. When the thickness of the light-transmitting glue filled in the light-transmitting hole 213 is 1.2 times the depth of the light-transmitting hole 213, the ball drop height is 1.1 cm when the bright spot or black spot appears on the display panel layer 220, the extrusion flat head exerts a force of 34 N when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light-transmitting hole 213, and the extrusion flat head exerts a force of 40 N when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light-transmitting hole 213.

[0171]

[0172] Table II: Influence test data of light-transmitting filling piece being light-transmitting glue recessed toward light-sensitive component

[0173] As can be seen from Table II, the thicker the light-transmitting glue, the better the reliability of the display panel layer 220 at the light-transmitting hole 213. When the light-transmitting glue is recessed toward the light-sensitive component 240, the reliability of the display panel layer 220 at the edge position corresponding to the light-transmitting hole 213 is better than that at the center position corresponding to the light-transmitting hole 213, because the light-transmitting glue at the edge position is thicker, and has stronger impact resistance and extrusion resistance.

[0174] It needs to be mentioned that due to the complex actual application conditions of the display module 200, the impact resistance ability of the display module 200 may not be completely positively related to the thickness of the light-transmitting adhesive. However, compared with the display module 200 without the light-transmitting filler 250, the reliability of the area of the display panel layer 220 corresponding to the light-transmitting hole 213 of the display module 200 with the light-transmitting filler 250 is higher.

[0175] The third group of tests, Table III is the influence test data of the light-transmitting filler 250 being the light-transmitting adhesive layer 251 and the light-transmitting support 252 (the end of the light-transmitting support 252 facing the photosensitive component 240 is a plane, and there is no filler adhesive around the light-transmitting support 252). In this test, the thickness of the light-transmitting adhesive layer 251 is 0 (blank control test) or 30 μm, the depth of the light-transmitting hole 213 is 185 μm, the diameter of the light-transmitting hole 213 of the support plate 211 is 2.6 mm, the diameter of the light-transmitting hole 213 of the double-sided adhesive tape layer is 3.0 mm, the falling ball adopts a steel ball with a weight of 32.65 g and a diameter of 2 cm for testing, and the extrusion head adopts an extrusion flat head with a diameter of 1.2 mm for testing. In the blank control, scheme one, scheme two, scheme three, scheme four, and scheme five, except that the thickness of the light-transmitting support 252 is different, the rest of the test conditions are all the same.

[0176] Referring to Table III, in the blank control group, the light transmission hole 213 is free of the light transmission filler 250, the ball drop height is 0.4 cm when the bright spot or black spot appears on the display panel layer 220, the ball drop height is 0.4 cm when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light transmission hole 213, the ball drop height is 0.4 cm when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light transmission hole 213. When the light transmission support 252 in the light transmission hole 213 is 50 μm, the ball drop height is 0.6 cm when the bright spot or black spot appears on the display panel layer 220, the ball drop height is 0.6 cm when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light transmission hole 213, the ball drop height is 0.6 cm when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light transmission hole 213. When the light transmission support 252 in the light transmission hole 213 is 100 μm, the ball drop height is 0.9 cm when the bright spot or black spot appears on the display panel layer 220, the ball drop height is 0.9 cm when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light transmission hole 213, the ball drop height is 0.9 cm when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light transmission hole 213. When the light transmission support 252 in the light transmission hole 213 is 150 μm, the ball drop height is 1.2 cm when the bright spot or black spot appears on the display panel layer 220, the ball drop height is 1.2 cm when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light transmission hole 213, the ball drop height is 1.2 cm when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light transmission hole 213. When the light transmission support 252 in the light transmission hole 213 is 185 μm, the ball drop height is 1.4 cm when the bright spot or black spot appears on the display panel layer 220, the ball drop height is 1.4 cm when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light transmission hole 213, the ball drop height is 1.4 cm when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light transmission hole 213. When the light transmission support 252 in the light transmission hole 213 is 200 μm, the ball drop height is 1.3 cm when the bright spot or black spot appears on the display panel layer 220, the ball drop height is 1.3 cm when the bright spot or black spot appears on the display panel layer 220 at the center position corresponding to the light transmission hole 213, the ball drop height is 1.3 cm when the bright spot or black spot appears on the display panel layer 220 at the edge position corresponding to the light transmission hole 213.

[0177]

[0178] Table III: Influence test data of the light transmission filler being the light transmission adhesive layer and the light transmission support (the end of the light transmission support facing the photosensitive component is flat, and the periphery of the light transmission support is free of the filling adhesive)

[0179] The fourth group of tests, Table IV is the influence test data of the light-transmitting filler 250 being a light-transmitting adhesive layer 251 and a light-transmitting support 252 (the end of the light-transmitting support 252 facing the photosensitive component 240 is a flat surface, and there is no adhesive around the light-transmitting support 252). In this test, the thickness of the light-transmitting adhesive layer 251 is 0 μm (blank control test), 25 μm, 50 μm, 85 μm, and 100 μm, the depth of the light-transmitting hole 213 is 185 μm, the diameter of the light-transmitting hole 213 of the support plate 211 is 2.6 mm, the diameter of the light-transmitting hole 213 of the double-sided adhesive tape layer is 3.0 mm, the falling ball uses a steel ball with a weight of 32.65 g and a diameter of 2 cm for testing, and the extrusion head uses an extrusion flat head with a diameter of 1.2 mm for testing. The blank control, scheme one, scheme two, scheme three, and scheme four are all the same in the remaining test conditions except for the thickness of the light-transmitting adhesive layer 251 and the light-transmitting support 252.

[0180] Referring to Table Four, in the blank control group, the light transmission hole 213 is free of the light transmission filler 250, the falling ball height of the display panel layer 220 when the bright spot or black spot appears at the center of the light transmission hole 213 is 0.4 cm, the falling ball height of the display panel layer 220 when the bright spot or black spot appears at the edge of the light transmission hole 213 is 13 N, the extrusion flat head exerts a force of 10 N. When the light transmission glue layer 251 and the light transmission support 252 in the light transmission hole 213 are 25 μm OCA + 50 μm CPI, the falling ball height of the display panel layer 220 when the bright spot or black spot appears is 0.5 cm, the display panel layer 220 when the bright spot or black spot appears at the center of the light transmission hole 213 is 20 N, the display panel layer 220 when the bright spot or black spot appears at the edge of the light transmission hole 213 is 18 N, the extrusion flat head exerts a force of 18 N. When the light transmission glue layer 251 and the light transmission support 252 in the light transmission hole 213 are 25 μm OCA + 50 μm CPI + 25 μm OCA + 50 μm CPI, the falling ball height of the display panel layer 220 when the bright spot or black spot appears is 1.0 cm, the display panel layer 220 when the bright spot or black spot appears at the center of the light transmission hole 213 is 36 N, the display panel layer 220 when the bright spot or black spot appears at the edge of the light transmission hole 213 is 30 N, the extrusion flat head exerts a force of 30 N. When the light transmission glue layer 251 and the light transmission support 252 in the light transmission hole 213 are 50 μm OCA + 50 μm CPI + 35 μm OCA + 50 μm CPI, the falling ball height of the display panel layer 220 when the bright spot or black spot appears is 1.2 cm, the display panel layer 220 when the bright spot or black spot appears at the center of the light transmission hole 213 is 40 N, the display panel layer 220 when the bright spot or black spot appears at the edge of the light transmission hole 213 is 35 N, the extrusion flat head exerts a force of 35 N. When the light transmission glue layer 251 and the light transmission support 252 in the light transmission hole 213 are 75 μm OCA + 50 μm CPI + 25 μm OCA + 50 μm CPI, the falling ball height of the display panel layer 220 when the bright spot or black spot appears is 1.1 cm, the display panel layer 220 when the bright spot or black spot appears at the center of the light transmission hole 213 is 37 N, the display panel layer 220 when the bright spot or black spot appears at the edge of the light transmission hole 213 is 32 N, the extrusion flat head exerts a force of 32 N.

[0181]

[0182]

[0183] Table Four: Influence test data of the light transmission filler being the light transmission glue layer and the light transmission support (the end of the light transmission support facing the photosensitive component is flat, and there is no filling glue around the light transmission support)

[0184] As can be seen from Table Three and Table Four, when the overall thickness of the light-transmitting adhesive layer 251 and the light-transmitting support 252 is not more than the depth of the light-transmitting hole 213, the thicker the light-transmitting adhesive layer 251 and the light-transmitting support 252, the better the reliability of the display panel layer 220 at the light-transmitting hole 213. When the overall thickness of the light-transmitting adhesive layer 251 and the light-transmitting support 252 is equal to the depth of the light-transmitting hole 213, the reliability of the display panel layer 220 at the light-transmitting hole 213 reaches the maximum. When the overall thickness of the light-transmitting adhesive layer 251 and the light-transmitting support 252 is greater than the depth of the light-transmitting hole 213, the reliability of the display panel layer 220 at the light-transmitting hole 213 slightly decreases, because when the thickness of the light-transmitting adhesive layer 251 and the light-transmitting support 252 exceeds the depth of the light-transmitting hole 213, there is a certain height difference between the light-transmitting adhesive layer 251 and the light-transmitting support 252 and the support layer 210, and when the position with the height difference is impacted and extruded, stress concentration is caused, thereby leading to failure or partial failure.

[0185] Figure 19 A flowchart of a manufacturing method of the display module 200 is shown in FIG. 10. The manufacturing method of the display module 200 provided by an embodiment of the present application further includes the following steps. Figure 20 The manufacturing method of the display module 200 provided by an embodiment of the present application further includes the following steps.

[0186] S101. Providing a support layer 210, and a light-transmitting hole is formed in the support layer 210.

[0187] S102. Providing a display panel layer 220, and the display panel layer 220 at least includes a display panel 221. The display panel layer 220 is arranged on one side of the support layer 210.

[0188] S103. Arranging a light-transmitting filler 250 in the light-transmitting hole 213, and the light-transmitting filler 250 is at least connected with the display panel layer 220.

[0189] S106. Placing a photosensitive component 240 on the side of the support layer 210 away from the display panel layer 220, and the orthographic projection of the photosensitive component 240 on the support layer 210 falls in the light-transmitting hole 213.

[0190] The manufacturing method of the display module 200 provided by an embodiment of the present application further includes the following steps. Figure 20 A flowchart of a manufacturing method of the display module 200 is shown in FIG. 10. The manufacturing method of the display module 200 provided by an embodiment of the present application further includes the following steps. Figure 21 The manufacturing method of the display module 200 provided by an embodiment of the present application further includes the following steps.

[0191] S104. Attaching a dispensing film to the side of the support layer 210 away from the display panel layer 220, and the dispensing film seals or does not seal the light-transmitting hole 213.

[0192] The manufacturing method of the display module 200 provided by an embodiment of the present application further includes the following steps. Figure 21A flowchart of a manufacturing method of the display module 200 is shown in FIG. 10. The manufacturing method of the display module 200 includes the following steps. Figure 22 As shown in FIG. 10, after the step S104, the manufacturing method of the display module 200 further includes the following steps:

[0193] S105, roll the display panel layer 220, the support layer 210 and the dispensing film as a whole.

[0194] In the step S105, the roll is performed on the display panel layer 220, the support layer 210 and the dispensing film as a whole. Figure 20 A flowchart of a manufacturing method of the display module 200 is shown in FIG. 10. The manufacturing method of the display module 200 includes the following steps. ​ As shown in FIG. 10, the step S103 can include the following steps:

[0195] S103a, fill the light-transmitting glue in the light-transmitting hole 213, and form the light-transmitting filling piece 250 after the light-transmitting glue is cured, or accommodate the light-transmitting support piece 252 in the light-transmitting hole 213 and use the light-transmitting glue layer 251 to bond the light-transmitting support piece 252 to the display panel layer 220.

[0196] In the embodiments of the present application, the term "exemplary" or "for example" is used to indicate an example, an illustration, or a description. Any embodiment or design scheme described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. In fact, the term "exemplary" or "for example" is intended to present the relevant concept in a specific manner.

[0197] In the description of the embodiments of the present application, the term "at least one" refers to one or more, and "multiple" refers to two or more. "At least one of the following" or the like refers to any combination of these items, including any combination of single item or multiple items. For example, at least one of a, b and c can represent a, b, c, a and b, a and c, b and c, a and b and c, where a, b and c can be single or multiple.

[0198] In the description of embodiments of the application, "parallel", "perpendicular", "equal", "coplanar" include the stated case and a case similar to the stated case within an acceptable deviation range, where the acceptable deviation range is determined by a person of ordinary skill in the art taking into account the measurement being discussed and the error associated with the measurement of the particular quantity (i.e., limitations of the measurement system). For example, "parallel" includes absolute parallel and near-parallel, where the acceptable deviation range for near-parallel can be, for example, within ±10° or ±5°. "Perpendicular" includes absolute perpendicular and near-perpendicular, where the acceptable deviation range for near-perpendicular can be, for example, within ±10° or ±5°; "equal" includes absolute equality and near-equality, where the acceptable deviation range for near-equality can be, for example, a difference between the two that is less than or equal to 5% of either. For example, an included angle between two components of 180° includes the case of absolute 180° and near-180°, where the acceptable deviation range for near-180° can be, for example, within ±10° or ±5°; for example, an included angle between two components of 0° includes the case of absolute 0° and near-0°, where the acceptable deviation range for near-0° can be, for example, within ±10° or ±5°. For example, an included angle between two components of 90° includes the case of absolute 90° and near-90°, where the acceptable deviation range for near-90° can be, for example, within ±10° or ±5°.

[0199] In embodiments of the application, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0200] The positional terms mentioned in embodiments of the application, such as "inner", "outer", etc., are only the directions of reference to the drawings, therefore, the positional terms used are for better, clearer illustration and understanding of embodiments of the application, and do not indicate or imply that the devices or elements referred to must have a particular position, and a particular position configuration and operation, and therefore cannot be understood as a limitation on embodiments of the application. In addition, "a plurality of" in the application means two or more, unless otherwise stated in the application.

[0201] In the embodiments of the present application, "and / or" is only used to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are in an "or" relationship.

[0202] In the description of the embodiments of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or indirect connection through intermediate medium, or the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0203] The terms "first", "second", "third", "fourth" and the like (if any) in the claims and specification and drawings of the embodiments of the present application are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence.

[0204] In the description of the present application, the specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0205] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and not to limit them; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display module, characterized in that, include: A support layer, wherein light-transmitting holes are provided on the support layer; The display panel layer includes at least a display panel and is disposed on one side of the support layer; A photosensitive element is disposed on the side of the support layer opposite to the display panel layer, and the orthogonal projection of the photosensitive element on the support layer falls into the light-transmitting hole; A light-transmitting filler, at least a portion of which is disposed in the light-transmitting hole, and the light-transmitting filler is at least connected to the display panel layer.

2. The display module according to claim 1, characterized in that, The light-transmitting filler is at least bonded to the display panel layer.

3. The display module according to claim 2, characterized in that, The light-transmitting filler is a light-transmitting adhesive, which is filled into the light-transmitting hole and then cured to form the light-transmitting filler.

4. The display module according to claim 3, characterized in that, The light-transmitting adhesive adheres to the inner wall of the light-transmitting hole through its own adhesiveness.

5. The display module according to claim 3 or 4, characterized in that, The light-transmitting adhesive includes at least one of acrylic adhesives, silicone adhesives, polyurethane adhesives, or epoxy adhesives.

6. The display module according to any one of claims 3-5, characterized in that, The bonding strength between the light-transmitting filler formed by the cured light-transmitting adhesive and the display panel layer is greater than or equal to 800gf / 25mm, the shear strength of the light-transmitting filler formed by the cured light-transmitting adhesive is greater than or equal to 20kPa, and the elastic modulus of the light-transmitting filler formed by the cured light-transmitting adhesive is between 1-2000MPa.

7. The display module according to claim 2, characterized in that, The light-transmitting filler includes: a light-transmitting adhesive layer and a light-transmitting support component; The light-transmitting support is bonded to the display panel layer through the light-transmitting adhesive layer.

8. The display module according to claim 7, characterized in that, The light-transmitting support is spaced apart from the inner wall of the light-transmitting hole.

9. The display module according to claim 8, characterized in that, A colloid is filled between the light-transmitting support and the inner wall of the light-transmitting hole to connect the light-transmitting support to the inner wall of the light-transmitting hole.

10. The display module according to any one of claims 7-9, characterized in that, The material of the light-transmitting support includes at least one of glass, polyethylene terephthalate board, polyimide board, thermoplastic polyurethane board, polyamide board, polycarbonate board, and acrylic board.

11. The display module according to any one of claims 7-10, characterized in that, The material of the light-transmitting adhesive layer is OCA (optically clear adhesive) or organic silicone optically transparent resin.

12. The display module according to any one of claims 7-11, characterized in that, The orthographic projection of the light-transmitting adhesive layer on the display panel layer coincides with the orthographic projection of the light-transmitting support member on the display panel layer.

13. The display module according to any one of claims 7-12, characterized in that, The projected area of ​​the light-transmitting adhesive layer on the display panel layer is smaller than the projected area of ​​the light-transmitting support member on the display panel layer, and the distance between the projected boundary of the light-transmitting adhesive layer on the display panel layer and the projected boundary of the light-transmitting support member on the display panel layer is less than or equal to 0.4 mm.

14. The display module according to any one of claims 1-13, characterized in that, The end of the light-transmitting filler away from the display panel layer has a convex surface that protrudes toward the photosensitive element.

15. The display module according to any one of claims 1-13, characterized in that, The end of the light-transmitting filler away from the display panel layer is a concave surface that is recessed toward the photosensitive element.

16. The display module according to any one of claims 1-13, characterized in that, The end of the light-transmitting filler away from the display panel layer is parallel to the incident end of the photosensitive element.

17. The display module according to any one of claims 1-16, characterized in that, The ratio between the thickness of the light-transmitting filler and the depth of the light-transmitting hole is between 0.1 and 1.5, and the thickness of the light-transmitting filler is the dimension of the light-transmitting filler in the depth direction of the light-transmitting hole.

18. The display module according to claim 17, characterized in that, The ratio between the thickness of the light-transmitting filler and the depth of the light-transmitting hole is between 0.2 and 1.

19. The display module according to any one of claims 1-18, characterized in that, The light transmittance of the light-transmitting filler is greater than or equal to 88%.

20. The display module according to any one of claims 1-19, characterized in that, The support layer includes a support plate and a double-sided adhesive layer, wherein the support plate is bonded to the display panel layer through the double-sided adhesive layer.

21. The display module according to any one of claims 1-20, characterized in that, The display panel layer further includes a back film, which is disposed between the display panel and the support layer.

22. The display module according to any one of claims 1-21, characterized in that, The photosensitive component is an ambient light sensor.

23. The display module according to any one of claims 1-22, characterized in that, Also includes: An adhesive film is attached to the side of the support layer opposite to the display panel layer, and the adhesive film may or may not seal the light-transmitting hole.

24. A method for manufacturing a display module, characterized in that, include: A support layer is provided, wherein light-transmitting holes are formed in the support layer; A display panel layer is provided, the display panel layer including at least a display panel; The display panel layer is disposed on one side of the support layer; A light-transmitting filler is disposed in the light-transmitting hole, and the light-transmitting filler is at least connected to the display panel layer; A photosensitive element is placed on the side of the support layer away from the display panel layer, and the orthogonal projection of the photosensitive element on the support layer falls into the light-transmitting hole.

25. The method for manufacturing a display module according to claim 24, characterized in that, Following "a light-transmitting filler is disposed in the light-transmitting hole, the light-transmitting filler being at least bonded to the display panel layer", the method further includes: An adhesive film is applied to the side of the support layer opposite to the display panel layer, and the adhesive film may or may not seal the light-transmitting hole.

26. The method for manufacturing a display module according to claim 25, characterized in that, Following the phrase "applying an adhesive film to the side of the support layer opposite to the display panel layer, wherein the adhesive film seals or does not seal the light-transmitting hole," the method further includes: The display panel layer, the support layer, and the adhesive film are rolled together.

27. The method for manufacturing a display module according to any one of claims 24-26, characterized in that, "A light-transmitting filler is disposed in the light-transmitting hole, and the light-transmitting filler is at least bonded to the back film" includes: The light-transmitting holes are filled with light-transmitting adhesive, which, after curing, forms the light-transmitting filler. Alternatively, a light-transmitting support member can be placed in the light-transmitting hole, and the light-transmitting support member can be bonded to the display panel layer using a light-transmitting adhesive layer.

28. A display screen, characterized in that, It includes at least the display module as described in any one of claims 1-23.

29. An electronic device, characterized in that, include: Support unit, motherboard, and display screen as described in claim 28; The motherboard and the display screen are mounted on the support unit, and the display screen is electrically connected to the motherboard.

30. The electronic device according to claim 29, characterized in that, Also includes: Rotating part; The support includes a first main body and a second main body, the first main body and the second main body are respectively connected to both sides of the rotating part, and the first main body and the second main body are relatively unfolded and folded through the rotating part; The display screen includes: a folding display section and a first display section and a second display section located on both sides of the folding display section. The first display section and the second display section are respectively attached to the first main body section and the second main body section. The folding display section is disposed corresponding to the rotating section. The folding display section is used to generate deformation so that the display screen can be relatively unfolded and folded. The display screen unfolds and folds relatively with the first main body section and the second main body section.

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