Display module and electronic equipment

Abstract

The invention discloses a display module which comprises a substrate, a polaroid, an optical adhesive layer and an ink layer which are sequentially arranged in a stacked mode. Wherein the ink layer is located in a non-display area of the display module; the optical adhesive layer and the ink layer have an overlapping area; the orthographic projection of the edge of the polaroid on the optical adhesive layer is located in the overlapping area; the optical adhesive layer located in the overlapping area is provided with a first surface facing the polaroid and a second surface facing the ink layer; at least one of the first surface and the second surface is provided with a pattern which is used for enabling light to generate diffuse reflection on the optical adhesive layer. The polaroid has the beneficial effects that the position, close to the edge of the polaroid, of the optical cement is subjected to patterning treatment, so that light is subjected to diffuse reflection on the optical cement layer, and light refraction and specular reflection are reduced; the shading layer is additionally arranged at the edge position of the polaroid and used for the edge of the polaroid, and the phenomenon that the bad appearance of the edge of the polaroid is amplified under the large visual angle condition is avoided.

Description

Technical Field

[0001] The present invention relates to the field of display technology, and in particular to a display module and an electronic device. Background Art

[0002] At present, the display screen frames of high-end mobile terminals (such as mobile phones or tablets) are getting narrower and narrower, resulting in the edge area of ​​the polarizer and the touch area of ​​the display screen getting closer and closer, and the overlapping area between the polarizer and the glass ink is getting smaller and smaller. When the natural light in the environment passes through the air, cover plate and optical adhesive in turn, it will be refracted at the interface of the two adjacent media, so that the edge of the polarizer can be seen by the naked eye under large viewing angles.

[0003] In addition, during the processing of polarizers, their sides are polished and ground, resulting in a certain proportion of cracks, scratches or pits in the area of ​​about 0.3mm on the edge of the polarizer. Therefore, narrow-framed displays will further magnify the poor appearance of the polarizer edges at a wide viewing angle. Summary of the invention

[0004] To solve the above problems, the purpose of the present invention is to provide a display module and an electronic device, which are used to solve the problems of the leakage of the polarizer edge and the magnification of the poor appearance of the polarizer edge in the existing narrow-frame display module under large viewing angles.

[0005] In a first aspect, the present invention provides a display module, the display module comprising:

[0006] A substrate, a polarizer, an optical adhesive layer, and an ink layer are stacked in sequence;

[0007] Wherein, the ink layer is located in the non-display area of ​​the display module;

[0008] There is an overlapping area between the optical adhesive layer and the ink layer;

[0009] The orthographic projection of the edge of the polarizer on the optical adhesive layer is located in the overlapping area;

[0010] The optical adhesive layer located in the overlapping area has a first surface facing the polarizer and a second surface facing the ink layer;

[0011] At least one of the first surface and the second surface is provided with a pattern for causing light to be diffusely reflected on the optical adhesive layer.

[0012] As a further improvement of the present invention, patterns are provided on both the first surface and the second surface.

[0013] As a further improvement of the present invention, the pattern is a continuous pattern and / or an intermittent pattern with fixed intervals.

[0014] As a further improvement of the present invention, the fixed interval is 0.02mm-0.5mm.

[0015] As a further improvement of the present invention, the orthographic projection of the pattern on the polarizer covers the edge of the polarizer.

[0016] As a further improvement of the present invention, the length of the pattern in a direction parallel to the optical adhesive layer is 0.3 mm-1.0 mm.

[0017] As a further improvement of the present invention, the processing technology of the pattern includes one or more of pressing, laminating and laser.

[0018] As a further improvement of the present invention, a light shielding layer is further provided between the first surface and the polarizer to shield the edge of the polarizer.

[0019] As a further improvement of the present invention, one end of the light shielding layer away from the polarizer extends to above the bending area of ​​the substrate and is bonded to the substrate through a glue dispensing layer.

[0020] As a further improvement of the present invention, the shading layer is an anti-reflection material.

[0021] As a further improvement of the present invention, the thickness of the light shielding layer is 5 μm-20 μm.

[0022] In a second aspect, the present invention provides a display module, the display module comprising:

[0023] A substrate, a polarizer, an optical adhesive layer, and an ink layer are stacked in sequence;

[0024] Wherein, the ink layer is located in the non-display area of ​​the display module;

[0025] There is an overlapping area between the optical adhesive layer and the ink layer;

[0026] The orthographic projection of the edge of the polarizer on the optical adhesive layer is located in the overlapping area;

[0027] A light shielding layer is provided between the optical adhesive layer and the polarizer to shield the edge of the polarizer.

[0028] In a third aspect, the present invention provides an electronic device, which includes the display module as described above.

[0029] The beneficial effects of the present invention are as follows: by performing patterning treatment on the optical adhesive near the edge of the polarizer, light is diffusely reflected in the optical adhesive layer, the refraction and mirror reflection of light are reduced, and the problem of edge leakage of the polarizer under a wide viewing angle is avoided; at the same time, a shading layer is added at the edge of the polarizer to protect the edge of the polarizer and avoid the poor appearance of the edge of the polarizer under a wide viewing angle being magnified. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0031] Figure 1 It is a schematic structural diagram of a display module according to an exemplary embodiment of the present invention.

[0032] Figure 2 A schematic diagram of the structure of a display module in which a pattern is arranged on the lower surface of the overlapping area.

[0033] Figure 3 The schematic diagram is a structural diagram of a display module in which a pattern is arranged on the upper surface of the overlapping area.

[0034] Figure 4 It is a structural schematic diagram of a display module according to another exemplary embodiment of the present invention.

[0035] Figure 5 The figure is a schematic diagram of the structure of an existing narrow-frame display module.

[0036] Figure 6 The figure is a schematic diagram of the structure of an existing non-narrow-frame display module.

[0037] In the figure,

[0038] 10, cover plate; 20, optical adhesive layer; 201, pattern; 30, polarizer; 40, substrate; 50, protective film; 60, screen heat dissipation film; 70, padding block; 80, adhesive layer; 801, light shielding layer; 90, ink layer;

[0039] 1. Cover plate; 2. Optical adhesive layer; 3. Polarizer; 4. Substrate; 5. Protective film; 6. Screen heat dissipation film; 7. Pad block; 8. Glue layer; 9. Ink layer. DETAILED DESCRIPTION

[0040] In related technologies, such as Figure 5 and Figure 6 As shown, Figure 5This is a schematic diagram of the structure of the narrow-frame display module. Figure 6 For ease of understanding, the X-axis direction in the figure is the length direction of the display module, and the Y-axis direction is the thickness direction of the display module.

[0041] from Figure 6 It can be seen that the optical adhesive layer (OCA) 2 is set inside the polarizer (POL) 3, that is, the length of the polarizer 3 is greater than the length of the optical adhesive layer 2, so that the edge of the polarizer 3 is outside the length range of the optical adhesive layer 2. The orthographic projection of the ink layer 9 on the optical adhesive layer 2 and the orthographic projection of the polarizer 3 on the optical adhesive layer 2 have enough overlapping areas, that is, the length L1 of the overlapping area is long enough. Therefore, the refraction or reflection at the edge of the polarizer 3 in the non-narrow frame display module will be blocked by the ink layer 9, and even at a large viewing angle, the human eye will not see the edge of the polarizer 3 and the defects at the edge.

[0042] from Figure 5 It can be seen that the optical adhesive layer (OCA) 20 is arranged to expand the polarizer (POL) 30, that is, the length of the polarizer 30 is less than the length of the optical adhesive layer 20, so that the edge of the polarizer 30 is within the length range of the optical adhesive layer 20. The overlapping area of ​​the orthographic projection of the ink layer 90 on the optical adhesive layer 20 and the orthographic projection of the polarizer 30 on the optical adhesive layer 20 is small, that is, the length L of the overlapping area is not long enough. For example, in some narrow-frame display modules, the length of the overlapping area of ​​the orthographic projection of the ink layer 90 on the optical adhesive layer 20 and the orthographic projection of the polarizer 30 on the optical adhesive layer 20 is only 0.2mm-0.4mm. If the tolerance is taken into account, the length of the overlapping area will be even smaller. Therefore, when the viewing angle is large, the refraction or reflection occurring at the edge of the polarizer 30 in the narrow-frame display module will not be blocked by the ink layer 90, and the human eye will see the edge of the polarizer 3, and at the same time, the defective problems near the edge will be magnified.

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0045] In addition, in the description of the present invention, the terms used are only for illustrative purposes and are not intended to limit the scope of the present invention. The terms "include" and / or "comprise" are used to specify the existence of the elements, steps, operations and / or components, but do not exclude the existence or addition of one or more other elements, steps, operations and / or components. The terms "first", "second" and the like may be used to describe various elements, do not represent the order, and do not limit these elements. In addition, in the description of the present invention, unless otherwise specified, the meaning of "multiple" is two and more than two. These terms are only used to distinguish one element from another element. In conjunction with the following drawings, these and / or other aspects become apparent, and it is easier for a person of ordinary skill in the art to understand the description of the embodiments of the present invention. The accompanying drawings are used to describe the embodiments of the present invention for illustrative purposes only. Those skilled in the art will easily recognize from the following description that, without departing from the principles of the present invention, alternative embodiments of the structures and methods shown in the present invention can be adopted.

[0046] like Figure 1 As shown, a display module described in an embodiment of the present invention is a narrow-frame display module, which includes a substrate (panel) 40, a polarizer (POL) 30, an optical adhesive layer (OCA) 20, an ink layer (CG Ink) 90 and a cover plate (CG) 10 stacked in sequence from bottom to top.

[0047] Specifically, the ink layer 90 is disposed in a partial area of ​​the lower surface of the cover plate 10, and the partial area is a non-visible area of ​​the display module. There is an overlapping area between the optical adhesive layer 20 and the ink layer 90, that is, the orthographic projection of the ink layer 90 on the optical adhesive layer 20 partially overlaps with the optical adhesive layer 20. The orthographic projection of the edge of the polarizer 30 on the optical adhesive layer 20 is located in the overlapping area. The optical adhesive layer 20 located in the overlapping area has a first surface facing the polarizer 30 and a second surface facing the ink layer 90, the first surface is, for example, the lower surface of the overlapping area, and the second surface is, for example, the upper surface of the overlapping area.

[0048] At least one of the first surface and the second surface is provided with a pattern for making the light diffusely reflected in the optical adhesive layer 20 .

[0049] In an optional embodiment, if Figure 2 As shown, the corresponding pattern 201 is only set on the lower surface of the overlapping area. When the edge of the polarizer 30 is refracted or specularly reflected, the corresponding refracted light or reflected light enters the optical adhesive layer 20 and is diffusely reflected under the action of the pattern 201 set on the lower surface. The refracted light and specularly reflected light at the edge of the polarizer 30 will not be emitted from the cover plate 10, and will not be observed by the human eye. This solves the problem of "leaking edge" of the narrow-frame display module and the magnification of the edge defects of the polarizer 30.

[0050] Alternatively, as another embodiment, Figure 3 As shown, the corresponding pattern 201 is only set on the upper surface of the overlapping area. When the edge of the polarizer 30 is refracted or specularly reflected, the corresponding refracted light or reflected light enters the optical adhesive layer 20 and is diffusely reflected under the action of the pattern 201 set on the upper surface. The refracted light and specularly reflected light at the edge of the polarizer 30 will not be emitted from the cover plate 10, and thus will not be observed by the human eye. This solves the problem of "leaking edge" of the narrow-frame display module and the magnification of the edge defects of the polarizer 30.

[0051] Alternatively, as another embodiment, Figure 1 As shown, corresponding patterns 201 are provided on both the upper and lower surfaces of the overlapping area. When the edge of the polarizer 30 is refracted or specularly reflected, the corresponding refracted light or reflected light enters the optical adhesive layer 20, and first, diffusely reflected under the action of the pattern 201 provided on the lower surface; then, the diffusely reflected light is diffusely reflected again under the action of the pattern 201 provided on the upper surface, and then the refracted light or specularly reflected light at the edge of the polarizer 30 is diffusely reflected between the upper and lower surfaces of the optical adhesive layer 20 under the action of the pattern 201 provided on the upper and lower surfaces. The refracted light and specularly reflected light at the edge of the polarizer 30 will not be emitted from the cover plate 10, and will not be observed by the human eye. This solves the problem of "leaking edge" of the narrow-frame display module and the magnification of the edge defects of the polarizer 30.

[0052] Preferably, in this embodiment, corresponding patterns are provided on both the upper and lower surfaces of the overlapping area. This improves the "blocking" effect of the refracted light and the mirror-reflected light at the edge of the polarizer 30. It is not difficult to understand that if the pattern is provided on only one of the upper and lower surfaces of the overlapping area, a small amount of refracted light and mirror-reflected light may be emitted from the cover plate 10. When patterns are provided on both the upper and lower surfaces of the overlapping area, even if a small amount of refracted light and mirror-reflected light "escapes" from the lower surface of the overlapping area, it can be "captured" by the upper surface of the overlapping area. Thus, with the mutual cooperation of the patterns on the upper and lower surfaces of the overlapping area, the refracted light at the edge of the polarizer 30 can be more effectively prevented from emitting from the cover plate 10, thereby better solving the problem of "leaking edges" of the narrow-frame display module and the amplification of the edge defects of the polarizer 30. In application, the setting position of the pattern can be selected according to actual conditions, and this application does not specifically limit it.

[0053] In an optional embodiment, the pattern is a continuous pattern and / or an intermittent pattern with fixed intervals.

[0054] For example, Figure 1As shown, the pattern 201 set in the overlapping area can be, for example, a continuous pattern such as a continuous wavy pattern, a continuous sawtooth pattern or a continuous grid pattern; it can also be an intermittent pattern with a certain interval of concave and convex shapes. Patterns of other shapes can also be selected in the application, as long as the set pattern can cause the refracted light at the edge of the polarizer 30 to be diffusely reflected, and the shape of the pattern is not specifically limited in this application. It should be noted that if an intermittent pattern with a fixed interval is selected, the interval between any two adjacent protrusions or depressions needs to be set within the range of 0.02mm-0.5mm, for example, the interval between any two adjacent protrusions or depressions is 0.05mm, 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm or 0.45mm, etc., to avoid the refracted light at the edge of the polarizer 30 being directly emitted from the interval due to the excessive interval.

[0055] The patterns on the upper and lower surfaces of the overlapping area can be set to the same pattern or different patterns. Optionally, the patterns on the upper and lower surfaces of the overlapping area can be set to the same continuous pattern. For example, in this embodiment, the patterns 201 on the upper and lower surfaces of the overlapping area are all continuous waves; or the patterns on the upper and lower surfaces of the overlapping area are set to continuous patterns of different shapes; or the patterns on the upper and lower surfaces of the overlapping area are set to the same discontinuous pattern; or the patterns on the upper and lower surfaces of the overlapping area are set to different discontinuous patterns; or the patterns on the upper and lower surfaces of the overlapping area are set to continuous patterns and discontinuous patterns, respectively. The pattern setting method of the upper and lower surfaces of the overlapping area can be comprehensively selected according to the specific settings of the display module and the processing technology, and this application does not specifically limit it.

[0056] In an optional embodiment, if Figure 1 As shown, the orthographic projection of the pattern 201 on the polarizer 30 covers the edge of the polarizer 30. In this way, it can be ensured that the refracted light or the mirror-reflected light at the edge of the polarizer 30 will pass through the pattern 201, thereby ensuring that the refracted light will be diffusely reflected in the optical adhesive layer 20 under the action of the pattern 201, so as to ensure the effect of preventing the pattern 201 from "leaking the edge".

[0057] Further, the length of the pattern 201 in the direction parallel to the optical adhesive layer 20 is 0.3mm-1.0mm. That is, the setting length of the pattern 201 on the upper and lower surfaces of the overlapping area is 0.3mm-1.0mm. For example, the length of the pattern 201 on the upper and lower surfaces of the overlapping area is 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm or 0.9mm, etc. According to the overlapping length of the polarizer 30 and the ink layer 90 in this embodiment, the length of the pattern 201 meets the above range, which can ensure that the refracted light at the edge of the polarizer 30 will pass through the pattern 201, and then diffusely reflected under the action of the pattern 201. In application, the setting length of the pattern 201 on the upper and lower surfaces of the overlapping area can be adjusted according to the overlapping length of the polarizer 30 and the ink layer 90. The length is based on ensuring that the refracted light at the edge of the polarizer 30 will pass through the pattern 201. The application does not specifically limit the setting length of the pattern 201.

[0058] In an optional embodiment, the processing technology of the pattern 201 includes one or more of pressing, laminating and laser. For example, a groove of a desired shape can be pressed on the upper and lower surfaces of the overlapping area by a pressing process, so that the refracted light at the edge of the polarizer 30 is diffusely reflected; a frosted film with a specific shape can be applied to the upper and lower surfaces of the overlapping area, so that the refracted light at the edge of the polarizer 30 is diffusely reflected under the action of the frosted film; or a pattern of a desired shape can be processed on the upper and lower surfaces of the overlapping area by laser, so that the refracted light at the edge of the polarizer 30 is diffusely reflected.

[0059] In an optional embodiment, if Figure 1 As shown, a light shielding layer 801 is further provided between the lower surface of the overlapping area and the polarizer 30 to shield the edge of the polarizer 30. For example, the light shielding layer 801 is a black light shielding tape, which is pasted on the upper surface of the polarizer 30 and covers the edge of the polarizer 30, thereby shielding the edge of the polarizer 30 to prevent light from being refracted or specularly reflected at the edge of the polarizer 30, so as to further ensure that the human eye will not observe the edge of the polarizer 30 and the defects at the edge of the polarizer 30.

[0060] It is understandable that the pattern 201 provided on the upper and lower surfaces of the overlapping area cannot completely "block" the refracted light at the edge of the polarizer 30, that is, there will always be a small amount of refracted light emitted from the cover plate 10. Furthermore, the use of the light shielding layer 801 can compensate for the situation that a small amount of refracted light is emitted from the cover plate 10. At the same time, since the light shielding layer 801 also has an edge, the refracted light at the edge of the light shielding layer 801 will also have a "leaking edge" problem similar to the edge of the polarizer 30. The pattern 201 provided on the upper and lower surfaces of the overlapping area can make the refracted light at the edge of the light shielding layer 801 diffusely reflected in the optical adhesive layer 20 under the action of the pattern 201, thereby avoiding the "leaking edge" problem at the edge of the light shielding layer 801. Therefore, with the cooperation of the pattern 201 and the light shielding layer 801, the "leaking edge" problem of the narrow-frame display module can be fully solved.

[0061] Preferably, the light shielding layer 801 is an anti-reflection material, for example, a rubber or resin with a porous or frosted surface, so as to prevent the refracted light at the edge of the polarizer 30 from being refracted or reflected by a mirror when passing through the light shielding layer 801 .

[0062] More preferably, the thickness of the light shielding layer 801 is 5 μm-20 μm. For example, the thickness of the light shielding layer 801 is 8 μm, 10 μm, 12 μm, 14 μm, 15 μm, 16 μm, 18 μm or 19 μm, etc. The light shielding layer 801 within the above thickness range will not excessively increase the thickness of the display module while solving the "leaking edge" problem of the narrow frame display module.

[0063] In an optional implementation, one end of the light shielding layer 801 away from the polarizer 30 extends to above the bending area of ​​the substrate 40 and is bonded to the substrate 40 through the adhesive layer 80 .

[0064] It is understandable that, in order to reduce the frame of the display module, the end of the substrate 40 away from the polarizer 30 is bent downward to form a bending zone, and the bonding zone is set in the bending zone. The end of the light shielding layer 801 away from the polarizer 30 is extended in the length direction, for example, the right end of the light shielding layer 801 is extended to the right, so that the length of the light shielding layer 801 is equal to the length of the dispensing layer 80, so that the light shielding layer 801 covers the bending zone of the substrate 40. In this way, the light shielding layer 801 can not only solve the "leaking edge" problem of the narrow-frame display module, but also protect the bending zone of the substrate 40 to prevent the bending zone from being damaged due to the stress of the bending zone.

[0065] like Figure 4As shown, a display module described in another embodiment of the present invention is a narrow-frame display module, which includes a substrate (panel) 40, a polarizer (POL) 30, an optical adhesive layer (OCA) 20, an ink layer (CG Ink) 90 and a cover plate (CG) 10 stacked in sequence from bottom to top.

[0066] Specifically, the ink layer 90 is disposed in a partial area of ​​the lower surface of the cover plate 10, and the partial area is a non-visible area of ​​the display module. There is an overlapping area between the optical adhesive layer 20 and the ink layer 90, that is, the orthographic projection of the ink layer 90 on the optical adhesive layer 20 partially overlaps with the optical adhesive layer 20. The orthographic projection of the edge of the polarizer 30 on the optical adhesive layer 20 is located in the overlapping area. A light shielding layer 801 is provided between the optical adhesive layer 20 and the polarizer 30 to shield the edge of the polarizer 30.

[0067] For example, the shading layer 801 is a black shading tape, which is pasted on the upper surface of the polarizer 30 and covers the edge of the polarizer 30, thereby blocking the edge of the polarizer 30 to prevent the incident light from being refracted or specularly reflected at the edge of the polarizer 30, ensuring that the human eye will not observe the edge of the polarizer 30 and the defects at the edge of the polarizer 30.

[0068] Preferably, the light shielding layer 801 is an anti-reflection material, for example, a rubber or resin with a porous or frosted surface, so as to prevent the refracted light at the edge of the polarizer 30 from being refracted or reflected by a mirror when passing through the light shielding layer 801 .

[0069] More preferably, the thickness of the light shielding layer 801 is 5 μm-20 μm. For example, the thickness of the light shielding layer 801 is 8 μm, 10 μm, 12 μm, 14 μm, 15 μm, 16 μm, 18 μm or 19 μm, etc. The light shielding layer 801 within the above thickness range will not excessively increase the thickness of the display module while solving the "leaking edge" problem of the narrow frame display module.

[0070] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0071] Furthermore, persons of ordinary skill in the art will appreciate that although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features from different embodiments is meant to be within the scope of the present invention and to form different embodiments.

[0072] It will be appreciated by those skilled in the art that, although the present invention has been described with reference to exemplary embodiments, various changes may be made and its elements may be replaced with equivalents without departing from the scope of the present invention. In addition, many modifications may be made to adapt specific situations or materials to the teachings of the present invention without departing from the essential scope of the present invention.

Claims

1. A display module, characterized in that: include: A substrate, a polarizer, an optical adhesive layer and an ink layer are stacked in sequence; Wherein, the ink layer is located in the non-display area of ​​the display module; The orthographic projection of the optical adhesive layer on the substrate and the orthographic projection of the ink layer on the substrate have an overlapping area; The orthographic projection of the edge of the polarizer on the substrate is located in the overlapping area; The optical adhesive layer located in the overlapping area has a first surface facing the polarizer and a second surface facing the ink layer; A pattern is provided on at least one of the first surface and the second surface, so as to cause light to be diffusely reflected on the optical adhesive layer.

2. The display module according to claim 1, wherein: Patterns are disposed on the first surface and the second surface.

3. The display module according to claim 1, wherein: The pattern is a continuous pattern and / or an intermittent pattern with fixed intervals.

4. The display module according to claim 3, wherein: The fixed interval is 0.02mm-0.5mm.

5. The display module according to claim 1, wherein: The orthographic projection of the pattern on the polarizer covers the edge of the polarizer.

6. The display module according to claim 1 or 5, characterized in that: The length of the pattern in a direction parallel to the optical adhesive layer is 0.3 mm-1.0 mm.

7. The display module according to claim 1, wherein: The processing technology of the pattern includes one or more of pressing, laminating and laser.

8. The display module according to claim 1, wherein: A light shielding layer is further provided between the first surface and the polarizer to shield the edge of the polarizer; Preferably, one end of the light shielding layer away from the polarizer extends to above the bending area of ​​the substrate, and is bonded to the substrate through a dispensing layer; Preferably, the light-shielding layer is an anti-reflective material; Preferably, the thickness of the light shielding layer is 5 μm-20 μm.

9. A display module, characterized in that: include: A substrate, a polarizer, an optical adhesive layer and an ink layer are stacked in sequence; Wherein, the ink layer is located in the non-display area of ​​the display module; There is an overlapping area between the optical adhesive layer and the ink layer; The orthographic projection of the edge of the polarizer on the optical adhesive layer is located in the overlapping area; A light shielding layer is provided between the optical adhesive layer and the polarizer to shield the edge of the polarizer.

10. An electronic device, characterized in that: Comprising a display module as described in any one of claims 1-8 or 9.

Images