Display module and display device

Abstract

The present invention relates to a display module, comprising a camera hole and an annular light shielding area surrounding the camera hole, wherein the camera hole is in a runway shape, and the inner diameter of the camera hole in a first direction is greater than the inner diameter of the camera hole in a second direction; the annular light shielding area is in a runway shape corresponding to the shape of the camera hole, and the annular light shielding area includes a first side and a second side opposite to each other in the first direction, and a third side and a fourth side opposite to each other in the second direction, the third side and the fourth side have the same width, and the width of the first side and the width of the second side are both greater than the width of the third side; wherein the first direction is perpendicular to the extension direction of the bending axis of the display module, and the second direction is parallel to the extension direction of the bending axis of the display module. The present invention also relates to a display device.

Description

Technical Field

[0001] The present invention relates to the technical field of display product manufacturing, and in particular to a display module and a display device. Background Art

[0002] Currently, based on market demand, foldable products are gradually beginning to have AA Hole (display area opening) designs; unlike straight-screen phones that only use the front camera when flattened, foldable phones use the front camera when flattened and bent. Because there is a film layer shift between the flat state and the folded state, the relative positions of the through hole on the PNL (display panel) and the ink hole on the Cover (cover) are different; in order to meet the appearance requirements of the hole in both states, the aperture of the through hole on the display panel and the packaging structure around the hole need to be compatible with the flattened / folded design, so they will be designed to be larger. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a display module and a display device to solve the problem that the aperture of the through hole on the display panel and the size of the packaging structure surrounding the through hole on the display panel are large due to the film layer displacement between the flattened state and the folded state of the folding product.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted in the embodiment of the present invention is: a display module, including a camera hole, and an annular light shielding area surrounding the camera hole,

[0005] The camera hole is in a racetrack shape, and the inner diameter of the camera hole in the first direction is larger than the inner diameter of the camera hole in the second direction;

[0006] The annular light shielding area is in a racetrack shape corresponding to the shape of the camera hole, and the annular light shielding area includes a first side and a second side opposite to each other in the first direction, and a third side and a fourth side opposite to each other in the second direction, the third side and the fourth side have the same width, and the width of the first side and the width of the second side are both greater than the width of the third side;

[0007] The first direction is perpendicular to the extending direction of the bending axis of the display module, and the second direction is parallel to the extending direction of the bending axis of the display module.

[0008] Optionally, the display module includes a display function component having multiple stacked display function layers and a cover plate covered on the light emitting side of the display function component, the display function component is provided with a through hole along its light emitting direction, the display function component includes a display panel, a side of the display panel close to the through hole is provided with an annular packaging structure surrounding the through hole, the cover plate is provided with an annular shading layer, the annular shading area includes the annular packaging structure and the annular shading layer, and the central perspective area defined by the annular shading layer defines the camera hole;

[0009] The annular light shielding layer has a first area close to the central perspective area and a second area adjacent to the first area, the annular packaging structure includes a third area close to the through hole and a fourth area adjacent to the third area, and the orthographic projection of the second area on the display panel coincides with the third area;

[0010] The first region includes a first portion located at the first side and a second portion located at the second side, the second region includes a third portion located at the first side and a fourth portion located at the second side, and the fourth region includes a fifth portion located at the first side and a sixth portion located at the second side;

[0011] In the first direction, the width of the first portion is greater than that of the second portion, the width of the third portion is smaller than that of the fourth portion, and the width of the fifth portion is greater than that of the sixth portion.

[0012] Optionally, in the first direction, a difference between a width of the first portion and a width of the second portion is a displacement of the annular light shielding layer relative to the display function component when the display module is folded;

[0013] In the first direction, the difference between the width of the third portion and the width of the fourth portion is the displacement of the annular light shielding layer relative to the display function component when the display module is folded;

[0014] In the first direction, the difference between the width of the fifth portion and the width of the sixth portion is the displacement of the annular light shielding layer relative to the display function component when the display module is folded.

[0015] Optionally, the display function component includes a first functional layer on a side away from its light emitting surface, and in the first direction, the difference between the width of the first part and the width of the second part is the displacement of the annular shading layer relative to the first functional layer when the display module is folded.

[0016] Optionally, in the first direction, a difference between a width of the third portion and a width of the fourth portion is a displacement of the annular light-shielding layer relative to the packaging structure when the display module is folded.

[0017] Optionally, in the first direction, a difference between a width of the fifth portion and a width of the sixth portion is a displacement of the annular light-shielding layer relative to the packaging structure when the display module is folded.

[0018] Optionally, the cover plate includes at least two composite unit layers, and the annular light-shielding layer is located between two adjacent composite unit layers.

[0019] Optionally, the at least two composite unit layers include a first composite unit layer close to the display function component, and the annular shading layer is located on a side of the first composite unit layer away from the display function component.

[0020] Optionally, the composite unit layer is made of at least one of PET, UTG and CPI.

[0021] Optionally, the cover plate includes at least two layers of a PET layer, a UTG layer and a CPI layer.

[0022] Optionally, the cover plate includes a PET layer, a UTG layer and a CPI layer which are stacked in sequence in a direction away from the display function component.

[0023] Optionally, the annular light-shielding layer is an ink layer.

[0024] An embodiment of the present invention further provides a display device, comprising the above-mentioned display module.

[0025] The beneficial effects of the present invention are as follows: for the annular shading area, only the width on both sides in the folding direction of the display module takes into account the displacement of the film layer when the display module is folded or flattened, while the width on both sides perpendicular to the folding direction of the display module does not need to take into account the displacement of the film layer when the display module is folded or flattened, thereby forming a runway shape, thereby reducing the area of ​​the annular shading area, and in the folding direction of the display module, only one side takes into account the displacement of the film layer when the display module is folded or flattened, that is, the width of the first side is greater than the width of the second side, thereby further reducing the area of ​​the annular shading area. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Schematic diagram showing an opening on a display module in the related art Figure 1 ;

[0027] Figure 2 Schematic diagram showing an opening on a display module in the related art Figure 2 ;

[0028] Figure 3 A schematic diagram showing the dimensions of an opening on a display module in the related art;

[0029] Figure 4 A schematic diagram showing a folded state of the display module;

[0030] Figure 5 A schematic diagram showing an opening on a display module in an embodiment of the present invention;

[0031] Figure 6 A schematic diagram showing the structure of a display module in an embodiment of the present invention;

[0032] Figure 7 A schematic diagram showing the corresponding relationship between the annular light shielding layer and the packaging structure in an embodiment of the present invention. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] The display module is provided with an AA Hole (display panel opening), and an annular shading area 1 is provided around the opening. Specifically, the display module includes a display function component 10 having multiple stacked display function layers, and a cover plate 20 covered on the light emitting side of the display function component 10, and a through hole 101 is provided on the display function component 10 along its light emitting direction. The display function component 10 includes a display panel, and a side of the display panel close to the through hole is provided with an annular packaging structure 12 surrounding the through hole, and an ink layer 11 is provided on the cover plate. Figure 1 and Figure 2, AA Hole (display panel opening) product design principles: A value needs to consider that the ink layer 11 on the cover plate does not cover the AA effective display area of ​​the display panel (that is, the ink layer 11 on the cover plate is retracted relative to the packaging structure 12, and the ink layer 11 cannot be exposed to the packaging structure 12 so as to block the effective display area and affect the display), B value needs to consider that the edge of the OCA (optical adhesive layer, the optical adhesive layer is arranged between the cover plate and the display function component) / POL (polarizer, the polarizer is arranged on the light-emitting side of the display panel) close to the opening side is not seen at 45°, and D value needs to consider the front view through hole (that is, the camera hole 100 defined by the ink layer), Figure 1 The dotted line in the figure indicates the position of the camera) and the edge of the hole of the display functional component 10 is not visible, and the central perspective area defined by the ink layer does not cover the camera.

[0036] For flexible products, the film layer will shift when folded. Figure 3 and Figure 4 , Figure 4 The figure shows the outward folding state of the display module, that is, the cover is located on the outside after folding. Figure 4 The hollow arrows in the figure indicate the displacement direction of each film layer. The conventional AA Hole design of folding products needs to be compatible with the folding displacement, that is, the A value, B value and D value all need to increase the displacement value of the ink layer 11 relative to the display functional component 10. Figure 3 and Figure 4 According to the circular hole design in the traditional technology, the annular light shielding area 1 needs to increase by 2 times the displacement value (the A and B values ​​corresponding to the two opposite sides of the folding direction increase by one displacement value each), and the aperture of the through hole needs to increase by 1 times the displacement value (the D value increases the displacement value). Under this design, the through hole on the display function component is larger, and the light shielding area increases more, which cannot meet the requirements of the mobile phone appearance ID.

[0037] refer to Figure 5-Figure 7 In view of the above technical problems, the present embodiment provides a display module, including a camera hole 100 and an annular light shielding area 1 surrounding the camera hole 100.

[0038] The camera hole 100 is in a racetrack shape. The camera hole 100 is in a first direction (reference Figure 5 The inner diameter of the camera hole in the X direction) is larger than the inner diameter of the camera hole in the second direction (reference Figure 5 Inner diameter in the Y direction (in the middle);

[0039] The annular light shielding area 1 is in a racetrack shape corresponding to the shape of the camera hole 100, and the annular light shielding area 1 includes a first side and a second side opposite to each other in the first direction, and a third side and a fourth side opposite to each other in the second direction, the third side and the fourth side have the same width, and the width of the first side and the width of the second side are both greater than the width of the third side;

[0040] The first direction is perpendicular to the extending direction of the bending axis of the display module, and the second direction is parallel to the extending direction of the bending axis of the display module.

[0041] When the display module is folded, the film layers shift along the folding direction of the display module, while the relative positions of the film layers in the direction perpendicular to the folding direction do not change. Therefore, in the present embodiment, the camera hole of the display module is set to be in a runway shape, and the annular shading area around the camera hole 100 is correspondingly in a runway shape. For the annular shading area 1, only the width on both sides in the folding direction of the display module is increased to increase the shift amount of the film layer when the display module is folded, while the width on both sides perpendicular to the folding direction of the display module does not need to increase the shift amount of the film layer when the display module is folded, so that the annular shading area 1 forms a runway shape extending along the first direction, thereby reducing the area of ​​the annular shading area 1.

[0042] Figure 4 It shows the schematic diagram of the states of each film layer when the display module is folded. Figure 4 In the figure, the display module is folded outward, that is, after folding, the cover plate 20 is located on the outside, and the film layer farther away from the cover plate 20 is squeezed with a greater force, and the displacement amount is also greater, from Figure 4 It can be obtained that the outer folding line (i.e., the bending axis) is on the left side of the AA hole. When the outer fold is 180°, the film layer is displaced, that is, from the cover plate 20 downward, it is displaced to the right layer by layer. The inner layer (the farther from the cover plate 20), the greater the amount of dislocation to the right. The effect of the film layer dislocation on the AA hole is as follows: after the film layer is displaced, the A1 value decreases, the B1 value increases, the D1 value decreases, the D2 value increases, the B2 value decreases, and the A2 value increases. When the corresponding value decreases after the film layer is displaced, defects such as leaking edges may occur, that is, the buffer needs to be considered in the design to ensure that no defects occur after bending.

[0043] In order to improve the problem of missing edges caused by the displacement of the film layer during folding, it is necessary to increase the width of the reduced part after the displacement of the film layer, while the enlarged part does not need to be changed, that is, the original value does not need to be changed. This asymmetric design can not only meet the folding displacement, but also reduce the impact of the displacement to a minimum. The main usage scenario of the external folding product is the 180° folded state, that is, the camera is designed to be in a left position in the flat state. After the folding state is displaced, the camera is in a relatively centered position.

[0044] Specifically, in some implementations of the present embodiment, the display module includes a display function component 10 having multiple stacked display function layers and a cover plate 2020 covering the light emitting side of the display function component 10, the display function component 10 is provided with a through hole 200 along its light emitting direction, the display function component 10 includes a display panel, a side of the display panel close to the through hole 200 is provided with an annular packaging structure 12 surrounding the through hole 200, an annular shading layer 11 is provided on the cover plate 20, the annular shading area 1 includes the annular packaging structure 12 and the annular shading layer 11, and the central perspective area defined by the annular shading layer 11 defines the camera hole 100;

[0045] The annular light shielding layer 11 has a first area 101 close to the central perspective area and a second area 102 adjacent to the first area 101, the annular packaging structure 12 includes a third area 122 close to the through hole 200 and a fourth area 121 adjacent to the third area 122, and the orthographic projection of the second area 102 on the display panel coincides with the third area 122;

[0046] The first region 101 includes a first portion located at the first side and a second portion located at the second side, the second region 102 includes a third portion located at the first side and a fourth portion located at the second side, and the fourth region 121 includes a fifth portion located at the first side and a sixth portion located at the second side;

[0047] In the first direction, the width of the first part is greater than the width of the second part (i.e., the D1 value increases, while the D2 value remains unchanged), the width of the third part is smaller than the width of the fourth part (i.e., the B1 value remains unchanged, while the B2 value increases), and the width of the fifth part is greater than the width of the sixth part (i.e., the A1 value increases, while the A2 value remains unchanged).

[0048] In some implementations of this embodiment, in the first direction, the difference between the width of the first portion and the width of the second portion is the displacement of the annular light shielding layer 11 relative to the display function component 10 when the display module is folded;

[0049] In the first direction, the difference between the width of the third portion and the width of the fourth portion is the displacement of the annular light shielding layer 11 relative to the display function component 10 when the display module is folded;

[0050] In the first direction, the difference between the width of the fifth portion and the width of the sixth portion is the displacement of the annular light shielding layer 11 relative to the display function component 10 when the display module is folded.

[0051] When the display module is folded, each film layer is displaced, which may cause defective phenomena such as edge leakage. Therefore, in order to avoid the above problems, it is necessary to consider the amount of film layer dislocation on the basis of the original structure of the camera hole 100 and the annular light shielding area 1. Moreover, according to the dislocation direction of each film layer, the size of the camera hole 100 and the annular light shielding area 1 in the conventional technology is improved, and the amount of film layer dislocation is increased at the corresponding position, thereby avoiding defective problems such as edge leakage. Figure 2 It can be seen that when the display module is folded, each film layer is displaced, and only the folding direction will be affected, and the corresponding values ​​(A, B, D) of the annular shading area 1 on both sides opposite to each other in the folding direction are only partially changed. In order to effectively prevent defects such as edge leakage and minimize the space occupied by the annular shading area 1, only the width of the part whose value is reduced after the film layer is displaced is increased by the corresponding film layer dislocation amount to compensate, thereby avoiding the occurrence of the above-mentioned defects such as edge leakage.

[0052] In some implementations of this embodiment, the display function component 10 includes a first functional layer 111 on a side away from its light-emitting surface, and in the first direction, the difference between the width of the first part and the width of the second part is the displacement of the annular shading layer relative to the first functional layer 111 when the display module is folded.

[0053] Since the setting of the D value needs to take into account that the edge of the hole of the display functional component cannot be seen when looking straight into the through hole, the central perspective area defined by the annular light shielding layer 11 does not cover the camera ( Figure 5 However, when the display module is folded, the width of the first part decreases and the width of the second part increases due to the displacement of the film layers. In order to ensure that the edge of the first functional layer 111 is not visible after the displacement of each film layer, the setting of the D1 value needs to consider the displacement of the annular shading layer 11 relative to the first functional layer 111 when the display module is folded, that is, in the first direction, the width of the first part is greater than the width of the second part, and the difference between the width of the first part and the width of the second part is the displacement of the annular shading layer 11 relative to the first functional layer when the display module is folded.

[0054] In some implementations of this embodiment, in the first direction, the difference between the width of the third portion and the width of the fourth portion is the displacement of the annular light-shielding layer 11 relative to the packaging structure 12 when the display module is folded.

[0055] Since the setting of the B value needs to take into account that when the viewing angle is 45°, the edge of the OCA (optical adhesive layer, the optical adhesive layer is arranged between the cover plate 20 and the display functional component) / POL (polarizer, the polarizer is arranged on the light-emitting side of the display panel) close to the side of the opening is not seen, but when the display module is folded, the width of the fourth part will be reduced, and there is a risk of missing the edge at a viewing angle of 45 degrees. Therefore, the setting of the B2 value needs to consider the displacement of the annular shading layer 11 relative to the first functional layer 111 when the display module is folded, and when the display module is folded, the width of the third part is increased, and there is no need to consider the displacement of the film layer. Therefore, in the first direction, the width of the third part is smaller than the width of the fourth part, and the difference between the width of the third part and the width of the fourth part is the displacement of the annular shading layer 11 relative to the packaging structure 12 when the display module is folded.

[0056] In some implementations of this embodiment, in the first direction, the difference between the width of the fifth portion and the width of the sixth portion is the displacement of the annular light-shielding layer 11 relative to the packaging structure 12 when the display module is folded.

[0057] Since the setting of the A value needs to take into account not blocking the display area, in order to ensure that the outer edge of the annular shading layer is not exposed to the packaging structure 12, the annular shading layer 11 on the cover plate 20 is retracted relative to the packaging structure, but the film layer is displaced when folded, the width of the fifth part will decrease, and the width of the sixth part will increase. In order to ensure that the outer edge of the annular shading layer 11 is not exposed to the packaging structure 12 so as to block the effective display area and affect the display, the setting of the fifth part, i.e., the A1 value, needs to increase the displacement of the annular shading layer 11 relative to the packaging structure 12 when the display module is folded. Therefore, in the first direction, the width of the fifth part is greater than the width of the sixth part, and the difference between the width of the fifth part and the width of the sixth part is the displacement of the annular shading layer 11 relative to the packaging structure 12 when the display module is folded.

[0058] In some implementations of this embodiment, the cover plate 20 includes at least two composite unit layers, and the annular light-shielding layer is located between two adjacent composite unit layers.

[0059] In the related art, the annular shading layer 11 is located on the side of the cover plate 20 facing the display function component 10, and the cover plate 20 and the display function component 10 are connected by optical glue. Part of the annular shading layer 11 is overlapped with the optical glue, but if the overlap amount between the annular shading layer 11 and the optical glue is too small, bubbles are easily generated. In order to avoid the generation of bubbles, it is necessary to ensure the minimum overlap amount between the annular shading layer 11 and the optical glue, thereby limiting the reduction in the area of ​​the annular shading area. In this embodiment, the annular shading layer 11 is arranged between two adjacent composite unit layers, so that the optical glue and the annular shading layer 11 do not overlap. When setting the size of the annular shading layer 11, there is no need to consider the minimum overlap amount between the optical glue and the annular shading layer 11, thereby achieving the narrowing of the annular shading area 1.

[0060] In a specific implementation of this embodiment, in the second direction, the width L1 of one side of the shading area is 0.53 mm, specifically: 0.17 (fitting tolerance) + 0.25 (fitting tolerance) + 0.06 (OCA light leakage value) + 0.05 (OCA shrinkage value) = 0.53 mm;

[0061] The design value of the aperture R of the camera hole is: in the second direction, R = camera viewing angle width + 0.17 + 0.17 = camera viewing angle width + 0.34 mm;

[0062] In the first direction, the width L2 of the first side of the annular light shielding area 1 is 1.1 mm.

[0063] L2=A1+B1+D1,

[0064] A1=A+a=0.17(ink layer lamination tolerance)+0.15(displacement a)=0.32mm,

[0065] B1=0.25 (optical adhesive bonding tolerance) + 0.06 (light leakage value) + 0.05 (optical adhesive shrinkage value) = 0.36 mm, D1=D+b=0.17 (ink layer bonding tolerance) + 0.25 (displacement b) = 0.42 mm.

[0066] In the first direction, the width L3 of the second side of the annular light shielding area 1 is 0.85 mm.

[0067] L3=A2+B2+D2,

[0068] A2 = A = 0.17 (ink layer lamination tolerance) mm,

[0069] B2=B+a=0.25(optical adhesive bonding tolerance)+0.06(light leakage value)+0.05(optical adhesive shrinkage value)+0.15(displacement a)=0.51mm,

[0070] D2 = D = 0.17 (ink layer lamination tolerance) mm.

[0071] In some implementations of this embodiment, the at least two composite unit layers include a first composite unit layer close to the display function component, and the annular light-shielding layer 11 is located on a side of the first composite unit layer away from the display function component.

[0072] Since the cover plate 20 includes at least two composite unit layers, light will be refracted on the surface of the corresponding film layer during the emission process. The farther the annular shading layer is from the display functional component, the more complex the light path is. Setting the annular shading layer on the side of the first composite unit layer away from the display functional component can effectively avoid light leakage, avoid edge leakage, and reduce the difficulty of setting.

[0073] It should be noted that the arrangement of the annular shading layer 11 is not limited to the above, as long as the annular shading layer is not arranged on the side of the first composite unit layer close to the display function component, so that the annular shading layer 11 needs to overlap with the optical adhesive portion between the cover plate 20 and the display function component. For example, when the cover plate includes three composite unit layers, the cover plate includes a first composite unit layer, a second composite unit layer and a third composite unit layer arranged in sequence along a direction away from the display function component, the annular shading layer 11 can be located on the side of the first composite unit layer away from the display function component, or the annular shading layer 11 can be located between the second composite unit layer and the third composite unit layer, or located on the side of the third composite unit layer away from the display function component.

[0074] In some embodiments, the cover plate 20 may also be a single-layer arrangement, and the annular light-shielding layer 11 is located on a side of the cover plate 20 away from the display function component.

[0075] The annular shading layer can be one layer or multiple layers. In some embodiments, the annular shading layer includes at least two sub-shading layers, and at least one layer of the composite unit layer is arranged between two adjacent sub-shading layers. For example, the annular shading layer includes a first sub-shading layer and a second sub-shading layer, and the cover plate includes a first composite unit layer, a second composite unit layer, and a third composite unit layer arranged in sequence along a direction away from the display function component, the first sub-shading layer is located between the first composite unit layer and the second composite unit layer, and the second sub-shading layer is located between the second composite unit layer and the third composite unit layer.

[0076] In some implementations of this embodiment, the composite unit layer is made of any one of PET (polyethylene terephthalate), UTG (ultra-thin glass), and CPI (colorless and transparent polyimide), but is not limited thereto. The composite unit layer can also be made of other materials, such as PP (polypropylene), PVC (polyvinyl chloride), etc. In some implementations of this embodiment, the cover plate includes at least two layers of a PET (polyethylene terephthalate) layer 201, a UTG layer (ultra-thin glass layer) 202, and a CPI layer (colorless and transparent polyimide layer) 203, and the stacking order of the composite units included in the cover plate is not limited.

[0077] In some implementations of this embodiment, the cover plate 20 includes a PET (polyethylene terephthalate) layer 201, a UTG layer (ultra-thin glass layer) 202 and a CPI layer (colorless and transparent polyimide layer) 203 which are stacked in sequence along a direction away from the display function component, but is not limited to this.

[0078] It should be noted that the number of composite unit layers of the cover plate 20 can be set according to actual needs. For example, the cover plate 20 can be a single-layer setting, for example, the cover plate 20 only includes a CPI layer; the cover plate 20 can also be a double-layer setting, for example, the cover plate 20 includes the PET layer and the CPI layer stacked in sequence along the direction away from the display function component, or the cover plate 20 includes the UTG layer and the CPI layer stacked in sequence along the direction away from the display function component, or the cover plate 20 includes the PET layer and the UTG layer stacked in sequence along the direction away from the display function component; the cover plate 20 can also include three composite unit layers, for example, the cover plate 20 described above includes a PET layer 201, a UTG layer 202 and a CPI layer 203 stacked in sequence along the direction away from the display function component.

[0079] In some implementations of this embodiment, the annular light-shielding layer 11 is an ink layer.

[0080] An embodiment of the present invention further provides a display device, comprising the above-mentioned display module.

[0081] There are a few points to note:

[0082] (1) The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure, and other structures may refer to the general design.

[0083] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present disclosure, the thickness of layers or regions is exaggerated or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be intermediate elements.

[0084] (3) In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0085] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A display module, comprising a camera hole and an annular light shielding area surrounding the camera hole, characterized in that: The camera hole is in a racetrack shape, and the inner diameter of the camera hole in the first direction is larger than the inner diameter of the camera hole in the second direction; The annular light shielding area is in a racetrack shape corresponding to the shape of the camera hole, and the annular light shielding area includes a first side and a second side opposite to each other in the first direction, and a third side and a fourth side opposite to each other in the second direction, the third side and the fourth side have the same width, and the width of the first side and the width of the second side are both greater than the width of the third side; Wherein, the first direction is perpendicular to the extending direction of the bending axis of the display module, and the second direction is parallel to the extending direction of the bending axis of the display module; The display module comprises a display function component having multiple stacked display function layers and a cover plate covered on the light emitting side of the display function component, the display function component is provided with a through hole along the light emitting direction thereof, the display function component comprises a display panel, a side of the display panel close to the through hole is provided with an annular packaging structure surrounding the through hole, the cover plate is provided with an annular light shielding layer, the annular light shielding area comprises the annular packaging structure and the annular light shielding layer, and the central perspective area defined by the annular light shielding layer defines the camera hole; The annular light shielding layer has a first area close to the central perspective area and a second area adjacent to the first area, the annular packaging structure includes a third area close to the through hole and a fourth area adjacent to the third area, and the orthographic projection of the second area on the display panel coincides with the third area; The first region includes a first portion located at the first side and a second portion located at the second side, the second region includes a third portion located at the first side and a fourth portion located at the second side, and the fourth region includes a fifth portion located at the first side and a sixth portion located at the second side; In the first direction, the width of the first portion is greater than that of the second portion, the width of the third portion is smaller than that of the fourth portion, and the width of the fifth portion is greater than that of the sixth portion.

2. The display module according to claim 1, characterized in that: In the first direction, the difference between the width of the first portion and the width of the second portion is the displacement of the annular light shielding layer relative to the display function component when the display module is folded; In the first direction, the difference between the width of the third portion and the width of the fourth portion is the displacement of the annular light shielding layer relative to the display function component when the display module is folded; In the first direction, the difference between the width of the fifth portion and the width of the sixth portion is the displacement of the annular light shielding layer relative to the display function component when the display module is folded.

3. The display module according to claim 2, characterized in that: The display function component includes a first functional layer on a side away from its light emitting surface. In the first direction, the difference between the width of the first part and the width of the second part is the displacement of the annular shading layer relative to the first functional layer when the display module is folded.

4. The display module according to claim 2, characterized in that: In the first direction, the difference between the width of the third portion and the width of the fourth portion is the displacement of the annular light shielding layer relative to the packaging structure when the display module is folded.

5. The display module according to claim 2, characterized in that: In the first direction, the difference between the width of the fifth portion and the width of the sixth portion is the displacement of the annular light shielding layer relative to the packaging structure when the display module is folded.

6. The display module according to claim 1, characterized in that: The cover plate includes at least two composite unit layers, and the annular light-shielding layer is located between two adjacent composite unit layers.

7. The display module according to claim 6, characterized in that: The at least two composite unit layers include a first composite unit layer close to the display function component, and the annular light-shielding layer is located on a side of the first composite unit layer away from the display function component.

8. The display module according to claim 6, characterized in that: The composite unit layer is made of at least one of PET, UTG and CPI.

9. The display module according to claim 8, characterized in that: The cover plate includes at least two layers of a PET layer, a UTG layer and a CPI layer.

10. The display module according to claim 9, characterized in that: The cover plate includes a PET layer, a UTG layer and a CPI layer which are sequentially stacked in a direction away from the display function component.

11. The display module according to claim 1, characterized in that: The annular light-shielding layer is an ink layer.

12. A display device, characterized in that: A display module comprising any one of claims 1-11.

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