Display panel and display device

Abstract

The invention relates to the technical field of display, in particular to a display panel and a display device. The display panel comprises an opening area, a display area at least partially surrounding the opening area, and a blocking area located between the display area and the opening area. A substrate; the at least one isolation column is located on one side of the substrate, and the isolation column is located in the blocking region; the cushion layer structures are arranged in one-to-one correspondence with the isolation columns; the packaging layer is located on the side, away from the substrate, of the isolation column, the packaging layer covers the display area and extends to the blocking area, the surface of the side, away from the substrate, of the packaging layer comprises a first inclined part and a second inclined part, the first inclined part and the isolation column are correspondingly and adjacently arranged, and the second inclined part and the cushion layer structure are correspondingly and adjacently arranged; the distance between the first inclined part and the second inclined part adjacent to the first inclined part is larger than 0. The failure risk of the display panel is reduced, the reliability of the display panel is improved, and the display effect of the display panel is ensured.

Description

Technical Field

[0001] This disclosure relates to the field of display technology, and more particularly to a display panel and a display device. Background Technology

[0002] With the development of display technology, users have higher and higher requirements for the screen ratio of the display screen. At present, in order to achieve a full screen, the screen in the area where the optical components are located is generally cut off to form an optical punch-hole area to install functional components such as cameras, sensors or earpieces, so as to reduce the bezel and increase the screen ratio.

[0003] In related technologies, the frame structure around the perforated area mainly includes isolation pillars. These pillars are primarily used to prevent water and oxygen from eroding the display area at the perforation cut, protecting the organic light-emitting material of the display area from being affected. However, the encapsulation around the isolation pillars is prone to failure, leading to reduced reliability of the display panel and consequently severely impacting its display performance. Summary of the Invention

[0004] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, this disclosure provides a display panel and a display device to reduce the failure risk of the display panel, thereby improving the reliability of the display panel and ensuring the display effect of the display panel.

[0005] This disclosure provides a display panel, comprising: an opening area, a display area at least partially surrounding the opening area, and a blocking area located between the display area and the opening area; a substrate; at least one isolation pillar located on one side of the substrate and in the blocking area; a pad structure corresponding to each isolation pillar, the pad structure being located between the corresponding isolation pillar and the substrate along a direction perpendicular to the plane of the substrate, the width of the pad structure along a first direction being greater than the width of the corresponding isolation pillar along the first direction, wherein the first direction is parallel to the plane of the substrate; and an encapsulation layer located on the side of the isolation pillar away from the substrate, the encapsulation layer covering the display area and extending to the blocking area, the surface of the encapsulation layer away from the substrate including a first inclined portion and a second inclined portion, the first inclined portion being correspondingly adjacent to the isolation pillar, the second inclined portion being correspondingly adjacent to the pad structure, and the distance between the first inclined portion and the adjacent second inclined portion being greater than 0 along the first direction.

[0006] This disclosure also provides a display device including the aforementioned display panel.

[0007] The technical solution provided in this disclosure has the following advantages compared with the prior art: The display panel disclosed herein includes an encapsulation layer. The surface of the encapsulation layer away from the substrate includes a first inclined portion and a second inclined portion. The first inclined portion is disposed adjacent to an isolation pillar, and the second inclined portion is disposed adjacent to a padding structure. That is, due to the isolation pillar, a step is formed on the surface of the encapsulation layer away from the substrate at the point corresponding to the edge of the isolation pillar, thus forming the first inclined portion at the point corresponding to the edge of the isolation pillar. Similarly, due to the padding structure, a step is formed on the surface of the encapsulation layer away from the substrate at the point corresponding to the edge of the padding structure, thus forming the second inclined portion at the point corresponding to the edge of the padding structure. Along a first direction, the distance between the first inclined portion and its adjacent second inclined portion is greater than 0, meaning the first inclined portion and its adjacent second inclined portion are staggered. Therefore, when the polarizer disposed on the side of the encapsulation layer away from the substrate shrinks, the staggered arrangement of the first inclined portion and its adjacent second inclined portion avoids stress and strain concentration in that area, reducing the risk of encapsulation layer breakage and thus reducing the failure risk of the display panel, improving the reliability of the display panel and ensuring its display effect.

[0008] Correspondingly, the display device provided in this disclosure also has the above-mentioned technical effects. Attached Figure Description

[0009] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.

[0010] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of a display panel structure in related technologies; Figure 2 This is a plan view of a display panel provided in this disclosure; Figure 3 yes Figure 2 A cross-sectional view of the display panel along line A-A'; Figure 4 yes Figure 3 An enlarged schematic diagram of part B in the aforementioned display panel; Figure 5 yes Figure 2 Another cross-sectional view of the display panel along A-A'; Figure 6 yes Figure 5An enlarged schematic diagram of section C in the aforementioned display panel; Figure 7 yes Figure 2 Another cross-sectional view of the display panel along A-A'; Figure 8 yes Figure 7 An enlarged schematic diagram of section D in the aforementioned display panel; Figure 9 This is a plan view of a display device provided in this disclosure. Detailed Implementation

[0012] To better understand the above-mentioned objectives, features, and advantages of this disclosure, the solutions disclosed herein will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0013] Numerous specific details are set forth in the following description in order to provide a full understanding of this disclosure, but this disclosure may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some, and not all, of the embodiments of this disclosure.

[0014] Figure 1 This is a schematic diagram of a display panel structure in related technologies, for reference. Figure 1 The display panel has openings for sensors such as cameras. These openings are prone to creating channels for water and oxygen intrusion. In related technologies, isolation pillars 1 are placed within a partition area surrounding the openings. These pillars 1 interrupt the light-emitting functional layer 2, making it discontinuous at the pillars, thus cutting off the transmission path of moisture within the light-emitting functional layer 2 and reducing the risk of moisture seeping into the display area. Simultaneously, a pad 3 is typically placed between the isolation pillar 1 and the substrate 4. The pad 3 provides support for the corresponding isolation pillar 1, dispersing stress. Furthermore, the pad 3 elevates the isolation pillar 1, enhancing the UV light intensity irradiating its sidewalls and preventing pixel definition layer material residue at the sidewalls. This avoids black spots in the opening area during subsequent reliability testing, preventing display defects and improving display performance.

[0015] However, during the research process, the inventors discovered that due to the arrangement of the isolation pillar 1 and the pad 3, in the encapsulation layer 5 subsequently formed on the side of the isolation pillar 1 away from the substrate 4, a first inclined portion 6 is formed adjacent to the isolation pillar 1, and a second inclined portion 7 is formed adjacent to the pad 3. The first inclined portion 6 and the second inclined portion 7 overlap. A polarizer is typically located on the side of the encapsulation layer 5 away from the substrate 4. In high-temperature and high-humidity environments, the polarizer may shrink. Because the first inclined portion 6 and the second inclined portion 7 overlap in the encapsulation layer 5, stress and strain concentration occurs in this area, increasing the risk of breakage of the encapsulation layer 5, causing encapsulation failure, reducing the reliability of the display panel, and severely affecting the display effect.

[0016] Based on this, the present disclosure provides a display panel and a display device, which helps to reduce the failure risk of the display panel, thereby improving the reliability of the display panel and ensuring the display effect of the display panel.

[0017] The display panel and display device provided in the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings.

[0018] Figure 2 This is a plan view of a display panel provided in this disclosure. Figure 3 yes Figure 2 A cross-sectional view of the display panel along line A-A'. Figure 4 yes Figure 3 An enlarged schematic diagram of part B in the aforementioned display panel, for reference. Figures 2-4 This disclosure provides a display panel, which includes: an opening area FA, a display area AA that at least partially surrounds the opening area FA, and a blocking area NA1 located between the display area AA and the opening area FA; Substrate 10; At least one isolation pillar 20 is located on one side of the substrate 10 and is located in the barrier region NA1; The pad structure 30 is provided in a one-to-one correspondence with the isolation pillar 20. Along the direction perpendicular to the plane where the substrate 10 is located, the pad structure 30 is located between the corresponding isolation pillar 20 and the substrate 10. The width of the pad structure 30 along the first direction X is greater than the width of the corresponding isolation pillar 20 along the first direction X. The first direction X is parallel to the plane where the substrate 10 is located. The encapsulation layer 40 is located on the side of the isolation pillar 20 away from the substrate 10. The encapsulation layer 40 covers the display area AA and extends to the blocking area NA1. The surface of the encapsulation layer 40 away from the substrate 10 includes a first inclined portion 401 and a second inclined portion 402. The first inclined portion 401 is disposed adjacent to the isolation pillar 20, and the second inclined portion 402 is disposed adjacent to the pad structure 30. Along the first direction X, the distance between the first inclined portion 401 and the adjacent second inclined portion 402 is greater than 0.

[0019] Specifically, the display panel provided in this embodiment includes an opening area FA, a blocking area NA1 surrounding the opening area FA, and a display area AA surrounding the blocking area NA1. The opening area FA can be a through-hole structure that penetrates the display panel, or it can be an opening structure that does not penetrate the display panel. The opening area FA can be set as a receiving space for modules such as cameras and sensors in the display device. The blocking area NA1 is set around the opening area FA and is not used for display. The display area AA is set around the blocking area NA1 and is used for display. Optionally, the display panel may also include a non-display area NA2, which is set around the display area AA. The non-display area NA2 is not used for display but can be used to set up structures such as circuits. It should be noted that... Figure 2 The example shows a display panel including an opening area FA, which is circular in shape. In other embodiments of this disclosure, the number of opening areas FA can be two or more, and the shape of the opening area FA can also be set to any shape such as ellipse or square according to design requirements. These will not be described in detail here.

[0020] The display panel also includes a substrate 10, which can be a rigid substrate or a flexible substrate. The rigid substrate can be one or more of glass and metal sheets, but is not limited to; the flexible substrate can be one or more of polyethylene terephthalate, polyethylene terephthalate, polyetheretherketone, polystyrene, polycarbonate, polyarylate, polyarylate, polyimide, polyvinyl chloride, polyethylene, and textile fibers, but is not limited to.

[0021] The display panel also includes at least one isolation pillar 20, which is located on one side of the substrate 10. The isolation pillar 20 is disposed in the blocking region NA1 and surrounds the opening region FA. At least one isolation pillar 20 can be disposed in the blocking region NA1, and the isolation pillar 20 can be a ring structure surrounding the opening region FA. Subsequently, when forming the light-emitting functional layer 51, the isolation pillar 20 can disconnect the light-emitting functional layer 51, making it discontinuous, thereby cutting off the transmission path of water vapor on the light-emitting functional layer 51.

[0022] The display panel also includes pad structures 30 corresponding to the isolation pillars 20. The pad structure 30, located in the blocking area NA1, can be a ring-shaped structure surrounding the aperture area FA. Along a direction perpendicular to the plane of the substrate 10, the pad structure 30 is positioned between its corresponding isolation pillar 20 and the substrate 10. The width of the pad structure 30 along the first direction X is greater than the width of its corresponding isolation pillar 20 along the first direction X. The first direction X is parallel to the plane of the substrate 10, meaning the vertical projection of the isolation pillar 20 onto the substrate 10 lies within the vertical projection of its corresponding pad structure 30 onto the substrate 10. The pad structure 30 provides support for the isolation pillars 20 and disperses stress. Furthermore, the pad structure 30 elevates the isolation pillars 20, which helps enhance the UV light intensity irradiated to the sidewalls of the isolation pillars 20, preventing pixel definition layer material residue at the sidewalls of the isolation pillars 20. This avoids black spots in the aperture area during subsequent reliability testing, preventing display defects and improving display performance.

[0023] The display panel also includes an encapsulation layer 40, which is located on the side of the isolation pillar 20 away from the substrate 10. The encapsulation layer 40 covers the display area AA and extends to the blocking area NA1, and is used to encapsulate the display panel. The surface of the encapsulation layer 40 away from the substrate 10 includes a first inclined portion 401 and a second inclined portion 402. The first inclined portion 401 is disposed adjacent to the isolation pillar 20, and the second inclined portion 402 is disposed adjacent to the pad structure 30. That is, due to the arrangement of the isolation pillar 20, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10 at the corresponding edge of the isolation pillar 20, thereby forming the first inclined portion 401 at the corresponding edge of the isolation pillar 20. Similarly, due to the arrangement of the pad structure 30, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10 at the corresponding edge of the pad structure 30, thereby forming the second inclined portion 402 at the corresponding edge of the pad structure 30. Along the first direction X, the distance between the first inclined portion 401 and its adjacent second inclined portion 402 is L1, where L1 is greater than 0, meaning the first inclined portion 401 and its adjacent second inclined portion 402 are staggered. Therefore, when the polarizer (not shown in the figure) disposed on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the staggered arrangement of the first inclined portion 401 and its adjacent second inclined portion 402 avoids stress and strain concentration in that area, reducing the risk of breakage of the encapsulation layer 40. This, in turn, helps reduce the failure risk of the display panel, improving its reliability and ensuring its display performance.

[0024] Optionally, the encapsulation layer 40 includes a first inorganic encapsulation layer 41, an organic encapsulation layer 42, and a second inorganic encapsulation layer 43 stacked along a direction away from the substrate 10. Of course, in other embodiments of this disclosure, the encapsulation layer 40 may also include other numbers of inorganic encapsulation layers and other numbers of organic encapsulation layers, which will not be described in detail here.

[0025] Continue to refer to Figures 2-4 In some alternative embodiments, the distance between the edge of the isolation column 20 and the edge of its corresponding pad structure 30 along the first direction X is greater than 1.1 μm.

[0026] Specifically, due to the placement of the isolation pillar 20, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10, corresponding to the edge of the isolation pillar 20, thus forming a first inclined portion 401 at the edge of the isolation pillar 20. Similarly, due to the placement of the pad structure 30, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10, corresponding to the edge of the pad structure 30, thus forming a second inclined portion 402 at the edge of the pad structure 30. Along the first direction X, the distance between the edge of the isolation pillar 20 and the edge of its corresponding pad structure 30 is L2, which is greater than 1.1 μm. This ensures that along the first direction X, the distance between the first inclined portion 401 and its adjacent second inclined portion 402 is greater than 0, meaning that the first inclined portion 401 and its adjacent second inclined portion 402 are staggered. Therefore, when the polarizer disposed on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the first inclined portion 401 and the adjacent second inclined portion 402 are staggered, which can avoid stress and strain concentration in this area, thus reducing the risk of the encapsulation layer 40 breaking. This helps to reduce the failure risk of the display panel, improve the reliability of the display panel, and ensure the display effect of the display panel.

[0027] Optionally, along the first direction X, the distance between the edge of the isolation post 20 and the edge of its corresponding pad structure 30 can be greater than or equal to 2.3 μm. That is, the distance between the edge of the isolation post 20 and the edge of its corresponding pad structure 30 is relatively large. Correspondingly, along the first direction X, the distance between the first inclined portion 401 and its adjacent second inclined portion 402 is also relatively large. This can avoid stress and strain concentration in this area, which helps to reduce the risk of breakage of the encapsulation layer 40, thereby reducing the failure risk of the display panel, improving the reliability of the display panel, and ensuring the display effect of the display panel.

[0028] Continue to refer to Figures 2-4 In some alternative embodiments, the width of the isolation post 20 along the first direction X is less than 6 μm.

[0029] Specifically, in related technologies, the width of the isolation column along the first direction is usually set to be greater than or equal to 6 μm.

[0030] In this embodiment, the width of the isolation pillar 20 along the first direction X is L3, which is less than 6 μm. This reduces the width of the isolation pillar 20, resulting in a distance greater than 1.1 μm between the edge of the isolation pillar 20 and the edge of its corresponding padding structure 30 along the first direction X. Consequently, the distance between the first inclined portion 401 and its adjacent second inclined portion 402 along the first direction X is greater than 0, meaning the first inclined portion 401 and its adjacent second inclined portion 402 are staggered. Therefore, when the polarizer on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the staggered arrangement of the first inclined portion 401 and its adjacent second inclined portion 402 avoids stress and strain concentration in that area, reducing the risk of breakage in the encapsulation layer 40. This, in turn, reduces the failure risk of the display panel, improving its reliability and ensuring its display performance.

[0031] Optionally, the width of the isolation post 20 along the first direction X is L3, where L3 is less than or equal to 1.5 μm. Within the allowable range of the process, the width of the isolation post 20 can be minimized, thereby increasing the distance between the edge of the isolation post 20 and the edge of its corresponding pad structure 30 along the first direction X. Correspondingly, the distance between the first inclined portion 401 and its adjacent second inclined portion 402 along the first direction X is also increased. This avoids stress and strain concentration in this area, which helps reduce the risk of breakage of the encapsulation layer 40 and thus reduces the failure risk of the display panel, thereby improving the reliability of the display panel and ensuring its display effect.

[0032] Continue to refer to Figures 2-4 In some alternative embodiments, the width of the pad structure 30 along the first direction X is greater than 8.2 μm.

[0033] Specifically, along the first direction X, the width of the pad structure 30 is L4, which is greater than 8.2 μm. Increasing the width of the pad structure 30 allows for a distance greater than 1.1 μm between the edge of the isolation pillar 20 and the corresponding edge of the pad structure 30 along the first direction X. This also ensures that the distance between the first inclined portion 401 and its adjacent second inclined portion 402 along the first direction X is greater than 0, meaning the first inclined portion 401 and its adjacent second inclined portion 402 are staggered. Therefore, when the polarizer on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the staggered arrangement of the first inclined portion 401 and its adjacent second inclined portion 402 prevents stress and strain concentration in that area, reducing the risk of breakage in the encapsulation layer 40. This, in turn, reduces the failure risk of the display panel, improving its reliability and ensuring its display performance.

[0034] Optionally, the width of the isolation pillar 20 along the first direction X is less than 6 μm, while the width of the padding structure 30 along the first direction X is greater than 8.2 μm. This allows for a reduction in the width of the isolation pillar 20 while increasing the width of the padding structure 30, thereby further increasing the distance between the edge of the isolation pillar 20 and the edge of its corresponding padding structure 30 along the first direction X. This ensures that the first inclined portion 401 and its adjacent second inclined portion 402 are completely staggered. Therefore, when the polarizer on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the staggered arrangement of the first inclined portion 401 and its adjacent second inclined portion 402 prevents stress and strain concentration in that area, reducing the risk of breakage in the encapsulation layer 40. This, in turn, reduces the failure risk of the display panel, improving its reliability and ensuring its display performance.

[0035] Figure 5 yes Figure 2 Another cross-sectional view of the display panel along A-A'. Figure 6 yes Figure 5 An enlarged schematic diagram of section C in the aforementioned display panel, for reference. Figure 2 , Figure 5 and Figure 6 In some alternative embodiments, the display panel includes at least two pad structures 30 along a first direction X, with the spacing between two adjacent pad structures 30 being less than 5.8 μm.

[0036] Specifically, the display panel includes at least two isolation pillars 20. When the light-emitting functional layer 51 is formed, a large number of isolation pillars 20 can disconnect the light-emitting functional layer 51 to make it discontinuous, thus ensuring that the transmission path of water vapor on the light-emitting functional layer 51 can be cut off.

[0037] Correspondingly, the display panel also includes at least two padding structures 30. Since the width of the padding structure 30 along the first direction X is greater than 8.2 μm, the width of the padding structure 30 can be increased, thereby achieving a distance greater than 1.1 μm between the edge of the isolation post 20 and the edge of its corresponding padding structure 30 along the first direction X. This also achieves a distance greater than 0 between the first inclined portion 401 and its adjacent second inclined portion 402 along the first direction X, meaning the first inclined portion 401 and its adjacent second inclined portion 402 are staggered. At this time, the distance between two adjacent padding structures 30 along the first direction X is L5. L5 can be set to less than 5.8 μm, which allows for increasing the width of the padding structure 30 while reducing the distance between two adjacent padding structures 30, thus avoiding increasing the size of the blocking area NA1 and hindering narrow bezel design.

[0038] It should be noted that, Figure 5 and Figure 6 The example shows a display panel including two isolation pillars 20, and correspondingly, the display panel includes two cushion structures 30. In other embodiments of this disclosure, the display panel may also include three or more isolation pillars 20, and correspondingly, the display panel may also include three or more cushion structures 30, which will not be described in detail here.

[0039] Figure 7 yes Figure 2 Another cross-sectional view of the display panel along A-A'. Figure 8 yes Figure 7 An enlarged schematic diagram of section D in the aforementioned display panel, for reference. Figure 2 , Figure 7 and Figure 8 In some alternative embodiments, the pad structure 30 includes a first side surface 31 and a first bottom surface 32. Along the first direction X, the first side surface 31 is located on one side of the pad structure 30. Along the direction perpendicular to the plane of the substrate 10, the first bottom surface 32 is located on the side of the pad structure 30 closer to the substrate 10. The included angle between the first side surface 31 and the first bottom surface 32 is less than 45°.

[0040] Specifically, due to the placement of the isolation pillar 20, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10 at the location corresponding to the edge of the isolation pillar 20, thereby forming a first inclined portion 401 at the location corresponding to the edge of the isolation pillar 20. Similarly, due to the placement of the pad structure 30, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10 at the location corresponding to the edge of the pad structure 30, thereby forming a second inclined portion 402 at the location corresponding to the edge of the pad structure 30. The included angle between the first side surface 31 and the first bottom surface 32 in the pad structure 30 is α, where α is less than 45°. That is, the included angle between the first side surface 31 and the first bottom surface 32 in the pad structure 30 is small. Correspondingly, the slope angle of the second inclined portion 402 corresponding to the edge of the pad structure 30 is also small. As a result, when the polarizer provided on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the stress of the encapsulation layer 40 at the second inclined portion 402 is reduced, which can further reduce the risk of the encapsulation layer 40 breaking. This helps to reduce the failure risk of the display panel, improve the reliability of the display panel, and ensure the display effect of the display panel.

[0041] Optionally, the included angle between the first side surface 31 and the first bottom surface 32 is less than 30°. That is, the included angle between the first side surface 31 and the first bottom surface 32 in the pad structure 30 is further reduced. Correspondingly, the slope angle of the second inclined portion 402 corresponding to the edge of the pad structure 30 is also reduced. As a result, when the polarizer provided on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the stress of the encapsulation layer 40 at the second inclined portion 402 is further reduced. This can reduce the risk of the encapsulation layer 40 breaking, thereby helping to reduce the failure risk of the display panel, improve the reliability of the display panel, and ensure the display effect of the display panel.

[0042] Continue to refer to Figure 2 , Figure 5 and Figure 6 In some alternative embodiments, the display panel includes at least two pad structures 30 along a first direction X, with the spacing between two adjacent pad structures 30 being greater than 0.

[0043] Specifically, the display panel includes at least two isolation pillars 20. During the subsequent formation of the light-emitting functional layer 51, a large number of isolation pillars 20 can disconnect the light-emitting functional layer 51, making it discontinuous and ensuring that the transmission path of moisture on the light-emitting functional layer 51 is cut off. The isolation pillars 20 are configured one-to-one with the padding structures 30; correspondingly, the display panel also includes at least two padding structures 30.

[0044] The display panel also includes an array layer 60, located on one side of the substrate 10. The array layer 60 includes various functional circuits, such as pixel circuits. The array layer 60 includes multiple metal layers M, and at least one metal layer M can be reused to form a pad structure 30, which helps reduce process steps and production costs. It should be noted that... Figure 5 The example shows an array layer 60 comprising a first metal layer M1, a second metal layer M2, and a third metal layer M3 sequentially disposed on one side of a substrate 10. The first metal layer M1 can be reused to form a pad structure 30. In other embodiments of this disclosure, other metal layers can be reused to form the pad structure 30, or multiple metal layers can be reused to form the pad structure 30, which will not be described in detail here.

[0045] The material of the padding structure 30 is metal. Along the first direction X, the spacing between two adjacent padding structures 30 is greater than 0, that is, the two adjacent padding structures 30 are independent of each other and are not a whole structure. This is beneficial to reduce the overall installation area of ​​the padding structure 30, thereby reducing the coupling between the padding structure 30 and other traces in the blocking area NA1.

[0046] Continue to refer to Figure 2 , Figure 5 and Figure 6 In some alternative embodiments, the distance between two adjacent second inclined portions 402 along the first direction X is greater than 0.

[0047] Specifically, due to the arrangement of the pad structure 30, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10, corresponding to the edge of the pad structure 30, thus forming a second inclined portion 402 at the corresponding edge of the pad structure 30. Along the first direction X, the distance between two adjacent second inclined portions 402 is L6, where L6 is greater than 0, meaning that adjacent second inclined portions 402 are staggered. Therefore, when the polarizer on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the staggered arrangement of adjacent second inclined portions 402 avoids stress and strain concentration in that area, reducing the risk of breakage of the encapsulation layer 40 and thus lowering the failure risk of the display panel, improving its reliability and ensuring its display performance.

[0048] Continue to refer to Figure 2 , Figure 5 and Figure 6 In some alternative embodiments, the spacing between two adjacent pad structures 30 along the first direction X is greater than or equal to 3.4 μm.

[0049] Specifically, due to the arrangement of the pad structure 30, a step is formed on the surface of the encapsulation layer 40 away from the substrate 10, corresponding to the edge of the pad structure 30, thus forming a second inclined portion 402 at the corresponding edge of the pad structure 30. Along the first direction X, the distance between two adjacent pad structures 30 is L5, which is greater than or equal to 3.4 μm. This ensures that the distance between two adjacent second inclined portions 402 along the first direction X is greater than 0, meaning that adjacent second inclined portions 402 are staggered along the first direction X. Therefore, when the polarizer on the side of the encapsulation layer 40 away from the substrate 10 shrinks, the staggered arrangement of the adjacent second inclined portions 402 avoids stress and strain concentration in that area, reducing the risk of breakage of the encapsulation layer 40. This, in turn, reduces the failure risk of the display panel, improving its reliability and ensuring its display performance.

[0050] like Figure 9 As shown, Figure 9 This is a plan view of a display device provided in this disclosure. This embodiment provides a display device 1000, which includes a display panel 100 provided in this disclosure embodiment. It is understood that the display device provided in this disclosure embodiment can be any electronic product with display function, including but not limited to the following categories: mobile phones, televisions, laptops, desktop monitors, tablet computers, digital cameras, smart bracelets, smart glasses, vehicle displays, medical devices, industrial control equipment, touch interactive terminals, etc. This disclosure embodiment does not make any special limitations on these categories.

[0051] The display device provided in this embodiment has the same technical features as the display panel provided in the above embodiment, so it can also solve the same technical problems and achieve the same technical effects.

[0052] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0053] The above description is merely a specific embodiment of this disclosure, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this disclosure. Therefore, this disclosure is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A display panel, characterized in that, include: An opening area, a display area at least partially surrounding the opening area, and a blocking area located between the display area and the opening area; Substrate; At least one isolation pillar, the isolation pillar being located on one side of the substrate and the isolation pillar being located in the barrier region; A pad structure is provided corresponding to each of the isolation pillars. The pad structure is located between the isolation pillar and the substrate in a direction perpendicular to the plane of the substrate. The width of the pad structure in a first direction is greater than the width of the isolation pillar in the first direction. The first direction is parallel to the plane of the substrate. An encapsulation layer is located on the side of the isolation pillar away from the substrate. The encapsulation layer covers the display area and extends to the blocking area. The surface of the encapsulation layer on the side away from the substrate includes a first inclined portion and a second inclined portion. The first inclined portion is disposed adjacent to the isolation pillar, and the second inclined portion is disposed adjacent to the pad structure. Along the first direction, the distance between the first inclined portion and the adjacent second inclined portion is greater than 0.

2. The display panel according to claim 1, characterized in that, Along the first direction, the distance between the edge of the isolation column and the edge of the corresponding cushion structure is greater than 1.1 μm.

3. The display panel according to claim 2, characterized in that, Along the first direction, the width of the isolation column is less than 6 μm.

4. The display panel according to claim 2, characterized in that, Along the first direction, the width of the cushion structure is greater than 8.2 μm.

5. The display panel according to claim 4, characterized in that, The display panel includes at least two of the cushion structures, and the spacing between two adjacent cushion structures along the first direction is less than 5.8 μm.

6. The display panel according to claim 1, characterized in that, The pad structure includes a first side surface and a first bottom surface. Along the first direction, the first side surface is located on one side of the pad structure. Along the direction perpendicular to the plane where the substrate is located, the first bottom surface is located on the side of the pad structure closer to the substrate. The included angle between the first side surface and the first bottom surface is less than 45°.

7. The display panel according to claim 1, characterized in that, The display panel includes at least two of the cushion structures, and the spacing between two adjacent cushion structures is greater than 0 along the first direction.

8. The display panel according to claim 7, characterized in that, Along the first direction, the distance between two adjacent second inclined portions is greater than 0.

9. The display panel according to claim 8, characterized in that, Along the first direction, the spacing between two adjacent cushion structures is greater than or equal to 3.4 μm.

10. A display device, characterized in that, The display device includes the display panel as described in any one of claims 1-9.

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