Display panel and display device

Abstract

The invention discloses a display panel and a display device. The display panel comprises a substrate, a pixel definition layer, sub-pixels, separators and a first shading layer. The pixel definition layer is arranged on one side of the substrate, and pixel openings are formed in the pixel definition layer; the sub-pixel is arranged in the pixel opening and comprises a first electrode, a luminescent material layer and a second electrode which are sequentially stacked in a first direction deviating from the substrate; the separators are arranged in the pixel openings and at least divide the light-emitting material layers in the sub-pixels into a plurality of parts; the first shading layer is arranged on the side, away from the substrate, of the sub-pixels, and first light-transmitting openings are formed in the portions, corresponding to the sub-pixels, of the shading layer. Through the scheme, the display panel has better peep-proof performance, higher luminous efficiency is ensured, and the influence on the service life and the power consumption is reduced.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0002] Organic Light Emitting Diode (OLED) and flat display panels based on technologies such as Light Emitting Diode (LED) are widely used in various consumer electronic products such as mobile phones, televisions, laptops, desktop computers, etc. due to their advantages such as high image quality, power saving, thin body and wide application range, becoming the mainstream in display panels.

[0003] Some existing OLED display products have strict control over the direction of light emission. For example, in-vehicle display devices need to reduce the image of light on the windshield or side windows to improve driving safety. However, the transmittance of existing anti-peep display products is low, which affects the brightness and has a greater impact on service life and power consumption. Summary of the invention

[0004] The main technical problem solved by the present application is to provide a display panel and a display device, which have good anti-peeping performance, ensure high luminous efficiency, and reduce the impact on service life and power consumption.

[0005] In order to solve the above technical problems, a technical solution adopted by the present application is: to provide a display panel, including a substrate, a pixel definition layer, a sub-pixel, a separator and a first light shielding layer. The pixel definition layer is arranged on one side of the substrate, and a pixel opening is formed on the pixel definition layer; the sub-pixel is arranged in the pixel opening, including a first electrode, a light-emitting material layer and a second electrode stacked in sequence in a first direction away from the substrate; the separator is arranged in the pixel opening, at least dividing the light-emitting material layer in the sub-pixel into a plurality of parts; the first light shielding layer is arranged on the side of the sub-pixel away from the substrate, and a first light-transmitting opening is provided on the light shielding layer corresponding to the sub-pixel.

[0006] Preferably, the first electrode in a single sub-pixel is a continuous film layer, and the separator is arranged on a side of the first electrode away from the substrate.

[0007] Preferably, the second electrode in a single sub-pixel is a continuous film layer.

[0008] Preferably, the width of the partition gradually decreases along the first direction.

[0009] Preferably, the orthographic projection of the sub-pixel on the substrate is a rectangle; and the extending direction of the orthographic projection of the partition on the substrate is parallel or perpendicular to the long side of the orthographic projection of the sub-pixel on the substrate.

[0010] Preferably, the orthographic projection of the partition on the substrate divides the orthographic projection of the sub-pixel on the substrate into two parts with the same area.

[0011] Preferably, the display panel further includes a light-transmitting layer disposed between the pixel definition layer and the first light-shielding layer.

[0012] Preferably, the display panel further includes a touch layer disposed between the light-transmitting layer and the pixel definition layer.

[0013] Preferably, the display panel further includes an encapsulation layer disposed between the touch layer and the pixel definition layer.

[0014] Preferably, the light-transmitting layer is provided with a light-condensing structure corresponding to the sub-pixel, and the light-condensing structure comprises a refractive surface, and the light emitted from the sub-pixel is refracted and focused on the refractive surface.

[0015] Preferably, the first light-shielding layer further comprises a light-shielding member disposed in the first light-transmitting opening, and an orthographic projection of the light-shielding member on the substrate at least partially overlaps with an orthographic projection of the partition on the substrate.

[0016] Preferably, an orthographic projection of the shading member on the substrate coincides with an orthographic projection of the partition on the substrate.

[0017] Preferably, the light-transmitting layer includes a first light-transmitting sublayer and a second light-transmitting sublayer stacked in sequence in the first direction, the refractive index of the first light-transmitting sublayer is smaller than the refractive index of the second light-transmitting sublayer, a through hole is formed on the first light-transmitting sublayer, and the opening area of ​​the through hole gradually decreases along the direction of the first light-transmitting sublayer pointing to the substrate, and the second light-transmitting sublayer fills the through hole.

[0018] Preferably, the thickness of the first light-transmitting sub-layer is greater than or equal to 4 μm; and / or the thickness of the second light-transmitting sub-layer is greater than or equal to 4 μm.

[0019] Preferably, the second light-transmitting sub-layer comprises a lens portion, the lens portion is arranged corresponding to the through hole, and a surface of the lens portion facing away from the substrate is a partial spherical surface protruding away from the substrate.

[0020] Preferably, the thickness of the lens portion is 8-24 μm.

[0021] Preferably, the display panel further comprises a second light-shielding layer, which is arranged on the side of the light-transmitting layer facing the pixel definition layer, and the second light-shielding layer is provided with a second light-transmitting opening, and the orthographic projection of the second light-transmitting opening on the substrate at least partially overlaps with the orthographic projection of the sub-pixel on the substrate.

[0022] Preferably, the orthographic projections of the first light-transmitting opening and the second light-transmitting opening on the substrate overlap.

[0023] Preferably, the material of the spacer is the same as that of the pixel definition layer.

[0024] In order to solve the above technical problem, another technical solution adopted by the present application is: to provide a display panel, including the display panel in any embodiment.

[0025] The beneficial effects of the present application are as follows: Different from the prior art, the display panel provided by the present application is provided with a partition in the pixel opening to divide the pixel opening where the sub-pixel is located into multiple parts, such as two or more sub-openings. The partition reduces the opening area of ​​the pixel opening. At the same time, since the partition blocks part of the large-angle light emitted by the sub-pixel, that is, part of the light with a smaller angle with the plane where the substrate is located is blocked and absorbed by the partition, the viewing angle of the sub-pixel light emission is narrowed, so that the light emitted from the sub-pixel is concentrated in the direction perpendicular to the substrate. The display panel of the present application is provided with a first light-shielding layer on the surface to further absorb and block the light outside the first light-transmitting opening, narrow the light-emitting viewing angle, realize the anti-peeping function, and reduce the probability of the light of the display panel forming redundant images on other side structures. At the same time, since the light emitted vertically from the sub-pixel will not be blocked or absorbed by the partition or the first light-shielding layer, the loss of direct light can be reduced, the brightness of the direct light can be guaranteed, the high luminous efficiency can be guaranteed, and the impact on service life and power consumption can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of an embodiment of a display panel of the present application;

[0027] Figure 2 is a schematic structural diagram of another embodiment of a display panel of the present application;

[0028] Figure 3 is a top view of an embodiment of a display panel of the present application;

[0029] Figure 4 is a top view of another embodiment of the display panel of the present application;

[0030] Figure 5 is a schematic structural diagram of another embodiment of a display panel of the present application;

[0031] Figure 6 It is a schematic structural diagram of another embodiment of the display panel of the present application. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and effect of the present application clearer and more specific, the present application is further described in detail with reference to the accompanying drawings and examples. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0033] See also Figure 1 , Figure 1It is a schematic diagram of the structure of an embodiment of a display panel of the present application. The display panel 10 includes a substrate 11, a pixel definition layer 12, a sub-pixel 13, a separator 14 and a first light shielding layer 18. The substrate 11 includes a substrate 111 and an array layer 112 stacked along a first direction Z. The pixel definition layer 12 is arranged on one side of the substrate 11, specifically on the side of the array layer 112 away from the substrate 111. A pixel opening 121 penetrating the pixel definition layer 12 is formed on the pixel definition layer 12. The material of the pixel definition layer 12 can be made of a light-absorbing material. The sub-pixel 13 is arranged in the pixel opening 121. The sub-pixel 13 includes a first electrode 131, a light-emitting material layer 132 and a second electrode 133 stacked in sequence in the first direction Z. The first electrode 131 can be an anode, and the second electrode 133 can be a cathode. The sub-pixel 13 includes a red sub-pixel, a green sub-pixel and a blue sub-pixel. Specifically, the first electrode 131 in each sub-pixel 13 is a continuous film layer, and the second electrode 133 in each sub-pixel 13 is also a continuous film layer. The first electrode 131 is arranged between the pixel definition layer 12 and the array layer 112, and part of the first electrode 131 is exposed in the pixel opening 121. The separator 14 is arranged in the pixel opening 121, and at least separates the light-emitting material layer 132 in the sub-pixel 13 into a plurality of parts. Specifically, the separator 14 separates the pixel opening 121 into a plurality of sub-openings (not shown), and after the light-emitting material is deposited in the sub-openings, the separator 14 separates the light-emitting material layer 132 in the sub-pixel 13 into a plurality of parts. Optionally, the material of the separator 14 can be made of a light-absorbing material, which is the same as the material of the pixel definition layer 12, and the two can be formed simultaneously. The separator 14 is arranged in the same layer as the pixel definition layer 12, and the thickness of the separator 14 and the pixel definition layer 12 in the first direction can be the same. The first light-shielding layer 18 is arranged on the side of the sub-pixel 13 facing away from the substrate 11, and a first light-transmitting opening 182 is provided on the first light-shielding layer 18 corresponding to the sub-pixel 13. Specifically, the material of the first light-shielding layer 18 can be a black matrix, and the orthographic projection of the first light-transmitting opening 182 on the substrate 11 and the orthographic projection of the pixel opening 121 on the substrate 11 partially overlap. Preferably, the orthographic projection of the first light-transmitting opening 182 on the substrate 11 and the orthographic projection of the pixel opening 121 on the substrate 11 completely overlap.

[0034] The display panel 10 provided in the present application is provided with a partition 14 in the pixel opening 121, which divides the pixel opening 121 where the sub-pixel 13 is located into multiple parts, such as two or more sub-openings. The partition 14 reduces the opening area of ​​the pixel opening 121. At the same time, because the partition 14 blocks part of the large-angle light emitted by the sub-pixel 13, that is, part of the light with a smaller angle with the plane where the substrate 11 is located is blocked and absorbed by the partition 14, the viewing angle of the sub-pixel 13 is narrowed, so that the light emitted from the sub-pixel 13 is concentrated in the direction perpendicular to the substrate 11. The display panel 10 of the present application is provided with a first light-shielding layer 18 on the surface, which further absorbs and blocks the light outside the first light-transmitting opening 182, narrows the light-emitting viewing angle, realizes the anti-peeping function, and reduces the probability of the light of the display panel 10 forming redundant images on other side structures. At the same time, since the light emitted vertically from the sub-pixel 13 will not be blocked or absorbed by the partition 14 or the first shading layer 18, the loss of direct light can be reduced, the brightness of the direct light can be guaranteed, the high luminous efficiency can be guaranteed, and the impact on service life and power consumption can be reduced.

[0035] Optionally, the width of the separator 14 in the second direction X gradually decreases along the first direction Z. Specifically, the cross section of the separator 14 perpendicular to the plane where the substrate 11 is located is an isosceles trapezoid that is narrow at the top and wide at the bottom. The separator 14 of the above shape can ensure that the second electrode 133 covered on the separator 14 is closely attached to the surface of the separator 14 and will not be disconnected, and ensure that the second electrode 133 corresponding to all sub-pixels 13 is a continuous film layer of a whole layer, thereby reducing the impedance caused by the second electrode 133.

[0036] Optionally, continue to Figure 1 In this embodiment, the display panel 10 further includes a light-transmitting layer 17, which is disposed between the pixel definition layer 12 and the first light-shielding layer 18. Specifically, the material of the light-transmitting layer 17 may be a transparent optical glue, and the thickness of the light-transmitting layer 17 is greater than or equal to 8 μm. The light-transmitting layer 17 increases the distance between the sub-pixel 13 and the first light-shielding layer 18, thereby ensuring that the viewing angle of the light emitted from the sub-pixel 13 is small. Optionally, the display panel 10 further includes a touch layer 16 and an encapsulation layer 15, wherein the touch layer 16 is disposed between the light-transmitting layer 17 and the pixel definition layer 12, wherein along the first direction Z, the touch layer 16 includes a first inorganic layer 161, a first metal layer 162, a second inorganic layer 163, a second metal layer 164, and a first organic layer 165, which are sequentially stacked. The encapsulation layer 15 is disposed between the touch layer 16 and the pixel definition layer 12. Along the first direction Z, the encapsulation layer 15 includes a first inorganic encapsulation layer 151, an organic encapsulation layer 152, and a second inorganic encapsulation layer 152, which are sequentially stacked.

[0037] Optionally, continue to Figure 1, the light-transmitting layer 17 is provided with a light-condensing structure corresponding to the sub-pixel 13, which is used to focus the light emitted from the sub-pixel 13. The light-condensing structure includes a refractive surface, and the light emitted from the sub-pixel 13 is refracted and focused on the refractive surface. The light-condensing structure adjusts the emission direction of the light to be vertical or substantially vertical to the plane where the substrate 11 is located, reduces the probability of the light being absorbed by the first light-shielding layer 18, and improves the light effect displayed on the front of the display panel 10. Optionally, the first light-shielding layer 18 also includes a light-shielding member 181 arranged in the first light-transmitting opening 182, and the orthographic projection of the light-shielding member 181 on the substrate 11 overlaps at least partially with the orthographic projection of the partition 14 on the substrate 11. The light-shielding member 181 corresponds to the partition 14, further blocking part of the large-angle light emitted by the sub-pixel 13, narrowing the angle of light emission of the sub-pixel 13, so that the light emitted from the sub-pixel 13 is concentrated in the direction vertical to the substrate 11, realizing the anti-peeping function, and at the same time reducing the probability of the light of the display panel 10 forming redundant images on other side structures. At the same time, since the light emitted from the sub-pixel 13 is emitted almost vertically through the focusing structure, it will not be blocked or absorbed by the light shielding member 181, thereby reducing the loss of direct light, ensuring the brightness of the direct light, ensuring high luminous efficiency, and reducing the impact on service life and power consumption. Further, the orthographic projection of the light shielding member 181 on the substrate 11 coincides with the orthographic projection of the partition 14 on the substrate 11, that is, the side edge of the light shielding member 181 in the first direction X is flush with the side edge of the partition 14, minimizing the absorption of light.

[0038] Optionally, continue to Figure 1, the light-transmitting layer 17 includes a first light-transmitting sublayer 171 and a second light-transmitting sublayer 172 which are sequentially stacked in the first direction Z. The refractive index of the first light-transmitting sublayer 171 is smaller than the refractive index of the second light-transmitting sublayer 172. A through hole 1711 penetrating the first light-transmitting sublayer 171 is formed on the first light-transmitting sublayer 171. The opening area of ​​the through hole 1711 gradually decreases along the direction from the first light-transmitting sublayer 171 to the substrate 11, and the second light-transmitting sublayer 172 fills the through hole 1711. The cross section of the through hole 1711 perpendicular to the plane where the substrate 11 is located is an isosceles trapezoid, and the trapezoid is wide at the top and narrow at the bottom. When the light emitted by the sub-pixel 13 passes through the interface (i.e., the refractive surface) between the first light-transmitting sublayer 171 and the second light-transmitting sublayer 172, the light is refracted at the interface and approaches the center of the through hole 1711, so that the light is more focused. At the same time, the light with a larger angle first passes through the through hole 1711 and is emitted to the second light-transmitting sublayer 172. When part of the light reaches the interface between the first light-transmitting sublayer 171 and the second light-transmitting sublayer 172 around the through hole 1711, since the refractive index of the second light-transmitting sublayer 172 is greater than that of the first light-transmitting sublayer 171, when the incident angle is too large, total reflection will occur at the interface to achieve light gathering. Specifically, in order to ensure the focusing effect, the thickness of the first light-transmitting sublayer 171 is greater than or equal to 4μm; and / or, the thickness of the second light-transmitting sublayer 172 is greater than or equal to 4μm, and the angle between the interface between the first light-transmitting sublayer 171 and the second light-transmitting sublayer 172 and the first light-transmitting sublayer 171 away from the second light-transmitting sublayer 172, that is, the cone angle θ formed by the through hole 1711 on the first light-transmitting sublayer 171 is 30°-45°. In this embodiment, the surface of the second light-transmitting sublayer 172 away from the first light-transmitting sublayer 171 is a plane. Specifically, for the convenience of preparation, the materials of the first light-transmitting sub-layer 171 and the second light-transmitting sub-layer 172 are both negative-type resists, so as to facilitate exposure to form the cone angle θ.

[0039] Alternatively, see Figure 2 , Figure 2 is a schematic diagram of the structure of another embodiment of the display panel of the present application. Figure 1 The difference of the embodiment shown is that the surface of the second light-transmitting sublayer 172 facing away from the first light-transmitting sublayer 171 is not a plane, and the second light-transmitting sublayer 172 includes a lens portion 1721, and the lens portion 1721 is arranged corresponding to the through hole 1711, and the surface of the lens portion 1721 facing away from the substrate 11 is a partial spherical surface protruding away from the substrate 11. Multiple lens portions 1721 form a microlens array, which can further focus light. Specifically, in order to ensure the focusing effect, the thickness of the lens portion 1721 is 8-24μm.

[0040] Optionally, in one embodiment, the orthographic projection of the sub-pixel 13 on the substrate 11 is a rectangle, and the extending direction of the orthographic projection of the partition 14 on the substrate 11 is arranged parallel to the long side of the orthographic projection of the sub-pixel 13 on the substrate 11. Specifically, Figure 3 As shown, the partition 14 (blocked by the light shielding member 181, not shown in the figure), the light shielding member 181, and the light shielding layer 18 all extend along the third direction Y, the long side of the positive projection of the sub-pixel 13 on the substrate 11 extends along the third direction Y, and the short side extends along the second direction X, and the green sub-pixel 13a and the red sub-pixel 13b are arranged at intervals along the third direction Y, the blue sub-pixel 13 and the green sub-pixel 13a and the red sub-pixel 13b are arranged at intervals along the second direction X, and a plurality of blue sub-pixels 13c are arranged at intervals along the third direction Y. The above arrangement allows the positive projection of the partition 14 on the substrate 11 to extend along the gap between two adjacent sub-pixels 13, and because the partition 14 divides the short side of the sub-pixel 13, the number of parts formed by the division of the sub-pixel 13 can be reduced, thereby reducing the impact on the luminous efficiency of the sub-pixel 13. Furthermore, the orthographic projection of the separator 14 on the substrate 11 divides the orthographic projection of the sub-pixel 13 on the substrate 11 into two parts of equal area, that is, the orthographic projection of the separator 14 on the substrate 11 coincides with the orthographic projection of the midline of the short side of the sub-pixel 13 on the substrate 11, and the area of ​​the separated part of each sub-pixel 13 is the same, further ensuring the luminous effect.

[0041] In another embodiment, if Figure 4 As shown, the extending direction of the orthographic projection of the separator 14 on the substrate 11 is perpendicular to the long side of the orthographic projection of the sub-pixel 13 on the substrate 11. The above method also has little effect on the light emission of the sub-pixel 13. In other embodiments, the sub-pixel 13 can also be other shapes, such as diamond, circle, etc. The extending direction of the separator 14 can also be arranged to cross the extending direction of the edge of the sub-pixel 13.

[0042] Optionally, in another embodiment, see Figure 5 , Figure 5It is a structural schematic diagram of another embodiment of the display panel of the present application. The display panel 10 also includes a second light shielding layer 19, which is arranged on the side of the light-transmitting layer 17 facing the pixel definition layer 12. Specifically, the material of the light-transmitting layer 17 can be a transparent optical glue. The light-transmitting layer 17 includes a first light-transmitting sublayer 171 and a second light-transmitting sublayer 172 stacked along the first direction Z. Due to the different refractive indices of the two layers of materials, when the light emitted by the sub-pixel 13 passes through the interface between the first light-transmitting sublayer 171 and the second light-transmitting sublayer 172, the light is refracted on the interface and approaches the center of the first light-transmitting opening 182, so that the light is more focused. The thickness of the light-transmitting layer 17 is greater than or equal to 8μm. The light-transmitting layer 17 increases the distance between the sub-pixel 13 and the first light-shielding layer 18, ensuring that the viewing angle of the light emitted from the sub-pixel 13 is small. The second light-shielding layer 19 is provided with a second light-transmitting opening 191, and the orthographic projection of the second light-transmitting opening 191 on the substrate 11 at least partially overlaps with the orthographic projection of the sub-pixel 13 on the substrate 11. In this embodiment, two light-shielding layers are respectively arranged on the upper and lower sides of the light-transmitting layer 17 , and the double light-shielding realizes the blocking and absorption of light with a wide viewing angle, thereby reducing light leakage with a wide viewing angle.

[0043] Furthermore, the orthographic projections of the first light-transmitting opening 182 and the second light-transmitting opening 191 on the substrate 11 overlap, that is, the first light-transmitting opening 182, the second light-transmitting opening 191 and the pixel opening 121 are completely aligned in the first direction Z, limiting the light emission angle so that the light can only be emitted vertically or substantially vertically.

[0044] Optionally, in another embodiment, see Figure 6 , Figure 6 is a schematic diagram of the structure of another embodiment of the display panel of the present application. Figure 5 The difference from the illustrated embodiment is that the light-transmitting layer 17 of this embodiment includes a lens portion 1721 , and a plurality of lens portions 1721 form a microlens array, which can further focus the light.

[0045] The present application also provides a display device, including the display panel 10 in any of the above embodiments. The display device can be a mobile phone, a tablet computer, a car display screen, etc. For mobile phones and tablet computers, the display device provided by the present application has good anti-peeping performance, ensuring the light effect when looking straight ahead; for car display screens, the display device provided by the present application can more strictly control the direction of light emission to reduce the light from forming an image on the front windshield or side windows of the car, thereby improving driving safety.

[0046] The above are only implementation methods of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A display panel, characterized in that: include: substrate; A pixel definition layer is disposed on one side of the substrate, and a pixel opening is formed on the pixel definition layer; A sub-pixel is arranged in the pixel opening, comprising a first electrode, a light-emitting material layer and a second electrode which are sequentially stacked in a first direction away from the substrate; a partition, disposed in the pixel opening, for at least partitioning the light-emitting material layer in the sub-pixel into a plurality of parts; The first light shielding layer is arranged on a side of the sub-pixel away from the substrate, and a first light-transmitting opening is arranged on the light shielding layer corresponding to the sub-pixel.

2. The display panel according to claim 1, characterized in that: The first electrode in a single sub-pixel is a continuous film layer, and the separator is arranged on a side of the first electrode away from the substrate; Preferably, the second electrode in a single sub-pixel is a continuous film layer; Preferably, the width of the partition gradually decreases along the first direction.

3. The display panel according to claim 1, characterized in that: The orthographic projection of the sub-pixel on the substrate is a rectangle; The extending direction of the orthographic projection of the partition on the substrate is parallel or perpendicular to the long side of the orthographic projection of the sub-pixel on the substrate; Preferably, the orthographic projection of the partition on the substrate divides the orthographic projection of the sub-pixel on the substrate into two parts with the same area.

4. The display panel according to claim 1, characterized in that: The display panel further includes: A light-transmitting layer, disposed between the pixel definition layer and the first light-shielding layer; Preferably, the display panel further comprises a touch layer, which is arranged between the light-transmitting layer and the pixel definition layer; Preferably, the display panel further includes an encapsulation layer disposed between the touch layer and the pixel definition layer.

5. The display panel according to claim 4, characterized in that: The light-transmitting layer is provided with a light-condensing structure corresponding to the sub-pixel, and the light-condensing structure includes a refractive surface, and the light emitted from the sub-pixel is refracted and focused on the refractive surface; Preferably, the first light shielding layer further comprises a light shielding member arranged in the first light-transmitting opening, and an orthographic projection of the light shielding member on the substrate at least partially overlaps with an orthographic projection of the partition member on the substrate; Preferably, an orthographic projection of the shading member on the substrate coincides with an orthographic projection of the partition on the substrate.

6. The display panel according to claim 5, characterized in that: The light-transmitting layer includes a first light-transmitting sublayer and a second light-transmitting sublayer sequentially stacked in the first direction, the refractive index of the first light-transmitting sublayer is smaller than the refractive index of the second light-transmitting sublayer, a through hole penetrating the first light-transmitting sublayer is formed on the first light-transmitting sublayer, the opening area of ​​the through hole gradually decreases along the direction from the first light-transmitting sublayer to the substrate, and the second light-transmitting sublayer fills the through hole; Preferably, the materials of the first light-transmitting sub-layer and the second light-transmitting sub-layer are both negative-tone adhesives; Preferably, the thickness of the first light-transmitting sub-layer is greater than or equal to 4 μm; and / or, The thickness of the second light-transmitting sub-layer is greater than or equal to 4 μm.

7. The display panel according to claim 6, characterized in that: The second light-transmitting sub-layer includes a lens portion, the lens portion is arranged corresponding to the through hole, and a surface of the lens portion facing away from the substrate is a partial spherical surface protruding away from the substrate; Preferably, the thickness of the lens portion is 8-24 μm.

8. The display panel according to claim 4, characterized in that: The display panel further includes: A second light shielding layer is arranged on the side of the light-transmitting layer facing the pixel definition layer, the second light shielding layer is provided with a second light-transmitting opening, and the orthographic projection of the second light-transmitting opening on the substrate at least partially overlaps with the orthographic projection of the sub-pixel on the substrate; Preferably, the orthographic projections of the first light-transmitting opening and the second light-transmitting opening on the substrate overlap.

9. The display panel according to claim 1, characterized in that: The material of the spacer is the same as that of the pixel definition layer.

10. A display device, characterized in that: The invention comprises a display panel as claimed in any one of claims 1 to 9.

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