Display panel and display device

Abstract

The invention provides a display panel and a display device. The display panel comprises a substrate, a display function layer, a first light shielding layer and a light filtering layer, and the display function layer is arranged on one side of the substrate; the first shading layer comprises a plurality of first light-transmitting openings; the light filtering layer comprises a plurality of light filtering units, the light filtering units are arranged in the corresponding first light-transmitting openings, and orthographic projections of the adjacent light filtering units on the substrate comprise overlapping areas; the second shading layer comprises a plurality of second light-transmitting openings, and orthographic projections of the second light-transmitting openings on the substrate are at least partially overlapped with orthographic projections of the corresponding first light-transmitting openings on the substrate; wherein the overlapping area is located in the orthographic projection of the second shading layer on the substrate. The light emitting effect of the display panel is prevented from being affected by reflection and diffraction of light in the intersection area of the adjacent light filtering units, and the display effect of the display panel is improved. Meanwhile, the second light shielding layer can reduce the light-emitting visual angle, and the peep-proof effect is achieved.

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] OLED (Organic Light-Emitting Diode) is an active light-emitting device with a sandwich structure consisting of multiple organic layers and electrodes on both sides. At present, display screens based on AMOLED (Active-Matrix Organic Light-Emitting Diode) have been commercialized in the fields of smart phones, watches and laptops.

[0003] However, the performance of existing display screens needs to be improved. Summary of the invention

[0004] In view of this, the purpose of the present application is to provide a display panel that is beneficial to improving the display effect.

[0005] Based on the above purpose, the present application provides a display panel, which includes:

[0006] substrate;

[0007] A display function layer is disposed on one side of the substrate;

[0008] A first light shielding layer, disposed on a side of the display function layer away from the substrate, the first light shielding layer comprising a plurality of first light-transmitting openings;

[0009] A filter layer, comprising a plurality of filter units, wherein the filter units are arranged in corresponding first light-transmitting openings, and orthographic projections of adjacent filter units on the substrate include overlapping areas;

[0010] A second light shielding layer is disposed on a side of the filter layer away from the substrate, the second light shielding layer comprises a plurality of second light-transmitting openings, and the orthographic projections of the second light-transmitting openings on the substrate at least partially overlap with the orthographic projections of the corresponding first light-transmitting openings on the substrate;

[0011] Wherein, the overlapping area is located within the orthographic projection of the second light-shielding layer on the substrate.

[0012] In one embodiment, the display function layer includes a plurality of light-emitting devices and a pixel definition layer, the pixel definition layer defines a plurality of pixel openings, and the light-emitting devices are at least partially located in the corresponding pixel openings;

[0013] Preferably, the light emitting device comprises a first electrode, a light emitting functional layer and a second electrode which are sequentially stacked in a direction away from the substrate;

[0014] Preferably, the first electrode comprises an anode, and the second electrode comprises a cathode.

[0015] In one embodiment, the orthographic projection of the second light-transmitting opening on the substrate is located within the orthographic projection of the corresponding first light-transmitting opening on the substrate;

[0016] Preferably, the distance between the edge of the orthographic projection of the second light-transmitting opening on the substrate and the edge of the orthographic projection of the corresponding first light-transmitting opening on the substrate is 0-5 μm;

[0017] Preferably, the overlapping area is located within the orthographic projection of the first light-shielding layer on the substrate, and the orthographic projection of the first light-shielding layer on the substrate is located within the orthographic projection of the second light-shielding layer on the substrate;

[0018] Preferably, the orthographic projection of the second light-shielding layer on the substrate is located within the orthographic projection of the pixel definition layer on the substrate.

[0019] In one embodiment, the display panel further includes a first planarization layer, the first planarization layer is located between the second light shielding layer and the filter layer, and the first planarization layer covers the filter layer and the first light shielding layer.

[0020] In one embodiment, the display panel further includes:

[0021] A cushioning layer, partly disposed on a side of the second light shielding layer away from the substrate, and partly disposed on the second light-transmitting opening;

[0022] Preferably, the display panel further includes:

[0023] A third light-shielding layer is disposed on a side of the elevation layer away from the substrate, the third light-shielding layer comprises a plurality of third light-transmitting openings, and the orthographic projections of the third light-transmitting openings on the substrate at least partially overlap with the orthographic projections of the corresponding second light-transmitting openings on the substrate;

[0024] Preferably, the orthographic projection of the third light-transmitting opening on the substrate is located within the orthographic projection of the corresponding second light-transmitting opening on the substrate;

[0025] Preferably, a distance between an edge of an orthographic projection of the third light-transmitting opening on the substrate and an edge of an orthographic projection of the corresponding second light-transmitting opening on the substrate is 0-5 μm;

[0026] Preferably, the orthographic projection of the second light-transmitting opening on the substrate is located within the orthographic projection of the corresponding first light-transmitting opening on the substrate, and the orthographic projection of the third light-transmitting opening on the substrate is located within the orthographic projection of the corresponding second light-transmitting opening on the substrate;

[0027] Preferably, the distance between the edge of the orthographic projection of the third light-transmitting opening on the substrate and the edge of the orthographic projection of the corresponding second light-transmitting opening on the substrate is 0-5 μm, and the distance between the edge of the orthographic projection of the second light-transmitting opening on the substrate and the edge of the orthographic projection of the corresponding first light-transmitting opening on the substrate is 0-5 μm;

[0028] Preferably, the orthographic projection of the third light-shielding layer on the substrate is located within the orthographic projection of the pixel definition layer on the substrate.

[0029] In one embodiment, the display panel further includes a second planarization layer, wherein a portion of the second planarization layer is disposed on a side of the third light shielding layer away from the substrate, and a portion of the second planarization layer is disposed on the third light-transmitting opening.

[0030] In one embodiment, the light-emitting device includes a red light-emitting device, a green light-emitting device and a blue light-emitting device; the filtering unit includes a red light filter, a blue light filter and a green light filter, the orthographic projection of the red light-emitting device on the substrate is located within the orthographic projection of the corresponding red light filter on the substrate, the orthographic projection of the green light-emitting device on the substrate is located within the orthographic projection of the corresponding green light filter on the substrate, and the orthographic projection of the blue light-emitting device on the substrate is located within the orthographic projection of the corresponding blue light filter on the substrate.

[0031] In one embodiment, the display panel further includes an encapsulation layer, wherein the encapsulation layer is partially disposed between the display function layer and the first light shielding layer, and partially disposed between the display function layer and the filter layer;

[0032] Preferably, the encapsulation layer comprises a first encapsulation layer, a second encapsulation layer and a third encapsulation layer which are sequentially stacked in a direction away from the substrate;

[0033] Preferably, the first encapsulation layer and the third encapsulation layer are inorganic layers, and the second encapsulation layer is an organic layer.

[0034] In one embodiment, the display panel further includes a touch layer, and the touch layer is partially disposed between the encapsulation layer and the first light shielding layer, and partially disposed between the encapsulation layer and the filter layer.

[0035] Based on the same inventive concept, the present application also discloses a display device, which includes any one of the display panels described above.

[0036] Compared with the prior art, the display panel provided by the present application has an orthographic projection of adjacent filter units on the substrate including an overlapping area. The second light shielding layer is provided on the side of the filter layer away from the substrate, and the overlapping area is located within the orthographic projection of the second light shielding layer on the substrate. The second light shielding layer is used to shield the intersection area of ​​adjacent filter units, thereby preventing the reflection and diffraction of light in the intersection area of ​​adjacent filter units from affecting the light output effect of the display panel, thereby improving the display effect of the display panel. At the same time, the second light shielding layer can also reduce the light output angle, thereby playing a role in preventing peeping. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the present application or related technologies, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0038] Figure 1 is a schematic diagram of a layer structure of a related display panel;

[0039] Figure 2 A schematic diagram of the layer structure of a display panel provided in an embodiment of the present application;

[0040] Figure 3 A schematic projection diagram of a display panel provided in another embodiment of the present application;

[0041] Figure 4 A schematic diagram of a first light shielding layer provided in another embodiment of the present application;

[0042] Figure 5 A schematic diagram of a second light shielding layer provided in another embodiment of the present application;

[0043] Figure 6 A schematic diagram of the layer structure of a display panel provided in another embodiment of the present application;

[0044] Figure 7 A schematic projection diagram of a display panel provided in another embodiment of the present application;

[0045] Figure 8 A schematic diagram of the layer structure of a display panel provided in another embodiment of the present application;

[0046] Fig. 9 A schematic diagram of the layer structure of a display panel provided in another embodiment of the present application;

[0047] Fig.10 A schematic diagram of the layer structure of a display panel provided in another embodiment of the present application.

[0048] Marking Description:

[0049] 100. Display panel;

[0050] 1. Substrate;

[0051] 2. Display function layer; 21. Pixel definition layer; 211. Pixel opening; 22. Light emitting device; 221. First electrode; 222. Light emitting function layer; 223. Second electrode;

[0052] 3. a first light shielding layer; 31. a first light-transmitting opening;

[0053] 4. filter layer; 41. filter unit;

[0054] 5. a second light-shielding layer; 51. a second light-transmitting opening;

[0055] 61. first planarization layer; 62. second planarization layer; 63. touch control layer;

[0056] 7. Raise the height;

[0057] 8. a third light-shielding layer; 81. a third light-transmitting opening;

[0058] 9. Encapsulation layer; 91. First encapsulation layer; 92. Second encapsulation layer; 93. Third encapsulation layer. DETAILED DESCRIPTION

[0059] In order to make the objectives, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0060] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should be the usual meanings understood by people with ordinary skills in the field to which the present application belongs. The "first", "second" and similar words used in the embodiments of the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "comprising" and similar words mean that the elements or objects appearing in front of the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0061] OLED display panel is one of the hot topics in the current display panel research field. OLED display panel has the advantages of low energy consumption, low cost, self-luminescence, wide viewing angle and fast response speed. In order to improve light transmittance and reduce the thickness of the display panel, the current OLED display panel usually adopts PLP (Pol-Less Panel, without polarizer) technology.

[0062] Reference Figure 1 As shown, a related display panel 100 using PLP technology is used, which uses the technology of integrating a color filter (CF) into a packaging layer (COE). It includes a substrate 1, a display function layer 2, a first light shielding layer 3 and a filter layer 4. The first light shielding layer 3 is used to improve the crosstalk problem between adjacent light-emitting devices in the display function layer 2. The filter layer 4 is used to improve the color deviation of the display panel 100. It includes a plurality of filter units 41, wherein adjacent filter units 41 have a cross region M on the first light shielding layer 3. The cross region M will cause reflection and diffraction of light, thereby affecting the display effect.

[0063] Based on this, the present application provides a display panel solution to solve the above problems.

[0064] Please refer to Figure 2 As shown, a display panel 100 provided in an embodiment of the present application includes a substrate 1, a display function layer 2, a first light shielding layer 3, a filter layer 4 and a second light shielding layer 5.

[0065] The display function layer 2 is arranged on one side of the substrate 1, the first light-shielding layer 3 is arranged on the side of the display function layer 2 away from the substrate 1, the first light-shielding layer 3 includes a plurality of first light-transmitting openings 31, the filter layer 4 includes a plurality of filter units 41, the filter units 41 are arranged in the corresponding first light-transmitting openings 31, and the orthographic projections of adjacent filter units 41 on the substrate 1 include overlapping areas, the second light-shielding layer 5 is arranged on the side of the filter layer 4 away from the substrate 1, the second light-shielding layer 5 includes a plurality of second light-transmitting openings 51, and the orthographic projections of the second light-transmitting openings 51 on the substrate 1 at least partially overlap with the orthographic projections of the corresponding first light-transmitting openings 31 on the substrate 1; wherein the overlapping area is located within the orthographic projection of the second light-shielding layer 5 on the substrate 1.

[0066] The display panel 100 provided in this embodiment has an orthographic projection of adjacent filter units 41 on the substrate 1 including an overlapping area. The second light shielding layer 5 is provided on the side of the filter layer 4 away from the substrate 1, and the overlapping area is located within the orthographic projection of the second light shielding layer 5 on the substrate 1. The second light shielding layer 5 is used to shield the intersection area of ​​adjacent filter units 41, thereby preventing reflection and diffraction of light in the intersection area of ​​adjacent filter units 41 from affecting the light emitting effect of the display panel 100, thereby improving the display effect of the display panel 100. At the same time, the second light shielding layer 5 can also reduce the light emitting viewing angle, thereby playing a peeping prevention role.

[0067] Please continue to refer to Figure 2 As shown, in one embodiment, the display function layer 2 includes a plurality of light-emitting devices 22 and a pixel definition layer 21, the pixel definition layer 21 defines a plurality of pixel openings 211, and the light-emitting devices 22 are at least partially located in the corresponding pixel openings 211. The pixel openings 211 define the light-emitting range of the light-emitting devices 22 and determine the positions of the light-emitting devices 22 of different colors.

[0068] Preferably, the light emitting device 22 comprises a first electrode 221 , a light emitting functional layer 222 and a second electrode 223 which are sequentially stacked in a direction away from the substrate 1 . The light emitting functional layer 222 emits light by applying voltage to the first electrode 221 and the second electrode 223 .

[0069] Optionally, the first electrode 221 includes an anode, and the second electrode 223 includes a cathode.

[0070] Among them, the anode can effectively introduce the current provided by the outside into the light-emitting device 22. The light-emitting functional layer 222 is the core part of the light-emitting device 22. This layer contains organic or inorganic materials that can generate light radiation under the action of an electric field. Different material combinations and structural designs can achieve light-emitting effects of different colors and brightness. The cathode is responsible for receiving electrons from the external circuit and injecting them into the light-emitting device 22. The cathode material generally has a lower work function to facilitate the injection of electrons.

[0071] Reference Figure 3 As shown, in one embodiment, the orthographic projection of the second light-transmitting opening 51 on the substrate 1 is located within the orthographic projection of the corresponding first light-transmitting opening 31 on the substrate 1, which is beneficial to reducing the light output viewing angle and improving the anti-peeping effect, and can achieve an anti-peeping effect of more than 45 degrees.

[0072] Preferably, the distance between the edge of the orthographic projection of the second light-transmitting opening 51 on the substrate 1 and the edge of the orthographic projection of the corresponding first light-transmitting opening 31 on the substrate 1 is 0-5 μm, which can reduce the light output angle while avoiding excessive light shielding and affecting the display effect. Specifically, the distance between the edge of the orthographic projection of the second light-transmitting opening 51 on the substrate 1 and the edge of the orthographic projection of the corresponding first light-transmitting opening 31 on the substrate 1 is 0 μm, 0.5 μm, 1 μm, 2 μm, 3 μm, 4 μm, 5 μm, etc.

[0073] Preferably, the overlapping area is located within the orthographic projection of the first shading layer 3 on the substrate 1, and the orthographic projection of the first shading layer 3 on the substrate 1 is located within the orthographic projection of the second shading layer 5 on the substrate 1, so as to better shield the intersection area of ​​adjacent filter units 41 and improve the display effect.

[0074] Preferably, the orthographic projection of the second light-shielding layer 5 on the substrate 1 is located within the orthographic projection of the pixel definition layer 21 on the substrate 1 to avoid blocking the pixel opening 211 and affecting the light emission effect at a normal viewing angle.

[0075] Reference Figure 4 As shown, the first light shielding layer 3 provided in one embodiment is shown. Figure 5 As shown, a second light shielding layer 5 is provided in one embodiment, wherein the first light-transmitting openings 31 and the second light-transmitting openings 51 are arranged in one-to-one correspondence, and the second light-transmitting openings 51 are smaller than the corresponding first light-transmitting openings 31, thereby reducing the light output viewing angle and improving the anti-peeping effect.

[0076] Please continue to refer to Figure 2 As shown, in one embodiment, the display panel 100 further includes a first planarization layer 61, which is located between the second light shielding layer 5 and the filter layer 4, and covers the filter layer 4 and the first light shielding layer 3. The first planarization layer 61 plays a planarization role, and is used to planarize the surface of the display panel 100, so as to facilitate the preparation of other film layers.

[0077] Reference Figure 6 As shown, in one embodiment, the display panel 100 further includes a raising layer 7, which is partially disposed on the side of the second light shielding layer 5 away from the substrate 1 and partially disposed in the second light-transmitting opening 51. The raising layer 7 not only raises the surface but also flattens the surface.

[0078] In one embodiment, the display panel 100 further includes a third light shielding layer 8, which is disposed on a side of the padding layer 7 away from the substrate 1, and includes a plurality of third light-transmitting openings 81, and the orthographic projection of the third light-transmitting opening 81 on the substrate 1 at least partially overlaps with the orthographic projection of the corresponding second light-transmitting opening 51 on the substrate 1. The third light shielding layer 8 cooperates with the second light shielding layer 5 to better block the intersection area of ​​adjacent filter units 41 and improve the display effect. At the same time, the padding layer 7 cooperates with the third light shielding layer 8 to further reduce the light output angle, improve the anti-peeping effect, and achieve wide-angle anti-peeping.

[0079] Preferably, the orthographic projection of the third light-transmitting opening 81 on the substrate 1 is located within the orthographic projection of the corresponding second light-transmitting opening 51 on the substrate 1 , which is beneficial to further reduce the light output viewing angle and enhance the anti-peeping effect.

[0080] Preferably, the distance between the edge of the orthographic projection of the third light-transmitting opening 81 on the substrate 1 and the edge of the orthographic projection of the corresponding second light-transmitting opening 51 on the substrate 1 is 0-5 μm, which can reduce the light output angle while avoiding excessive light shielding and affecting the display effect. Specifically, the distance between the edge of the orthographic projection of the third light-transmitting opening 81 on the substrate 1 and the edge of the orthographic projection of the corresponding second light-transmitting opening 51 on the substrate 1 is 0 μm, 0.5 μm, 1 μm, 2 μm, 3 μm, 4 μm, 5 μm, etc.

[0081] Reference Figure 7 As shown, in one of the embodiments, the orthographic projection of the second light-transmitting opening 51 on the substrate 1 is located within the orthographic projection of the corresponding first light-transmitting opening 31 on the substrate 1, and the orthographic projection of the third light-transmitting opening 81 on the substrate 1 is located within the orthographic projection of the corresponding second light-transmitting opening 51 on the substrate 1, thereby gradually reducing the light output viewing angle and improving the anti-peeping effect.

[0082] Preferably, the distance between the edge of the orthographic projection of the third light-transmitting opening 81 on the substrate 1 and the edge of the orthographic projection of the corresponding second light-transmitting opening 51 on the substrate 1 is 0-5 μm, and the distance between the edge of the orthographic projection of the second light-transmitting opening 51 on the substrate 1 and the edge of the orthographic projection of the corresponding first light-transmitting opening 31 on the substrate 1 is 0-5 μm, which can reduce the light output angle while avoiding excessive light shielding and affecting the display effect. Specifically, the distance between the edge of the orthographic projection of the third light-transmitting opening 81 on the substrate 1 and the edge of the orthographic projection of the corresponding second light-transmitting opening 51 on the substrate 1 is 0 μm, 0.5 μm, 1 μm, 2 μm, 3 μm, 4 μm, 5 μm, etc. The distance between the edge of the orthographic projection of the second light-transmitting opening 51 on the substrate 1 and the edge of the orthographic projection of the corresponding first light-transmitting opening 31 on the substrate 1 is 0 μm, 0.5 μm, 1 μm, 2 μm, 3 μm, 4 μm, 5 μm, etc.

[0083] Preferably, the orthographic projection of the third light-shielding layer 8 on the substrate 1 is located within the orthographic projection of the pixel definition layer 21 on the substrate 1 , so as to avoid blocking the pixel opening 211 and affecting the light emitting effect at a normal viewing angle.

[0084] Reference Figure 8 As shown, in one embodiment, the display panel 100 further includes a second planarization layer 62, which is partially disposed on a side of the third light shielding layer 8 away from the substrate 1, and partially disposed in the third light-transmitting opening 81. The second planarization layer 62 plays a planarization role, and is used to planarize the surface of the display panel 100, so as to facilitate the preparation of other film layers.

[0085] In one embodiment, the light emitting device 22 includes a red light emitting device, a green light emitting device and a blue light emitting device; the filter unit 41 includes a red light filter, a blue light filter and a green light filter, the orthographic projection of the red light emitting device on the substrate 1 is located within the orthographic projection of the corresponding red light filter on the substrate 1, the orthographic projection of the green light emitting device on the substrate 1 is located within the orthographic projection of the corresponding green light filter on the substrate 1, and the orthographic projection of the blue light emitting device 22 on the substrate 1 is located within the orthographic projection of the corresponding blue light filter on the substrate 1. The brightness attenuation rate of the light output of the light emitting devices 22 of different colors can be adjusted by adjusting the thickness of the red light filter, the blue light filter and the green light filter, so that the brightness attenuation rates of the light emitting devices 22 of the three colors tend to be consistent, thereby improving the color shift phenomenon of the display panel 100.

[0086] Please continue to refer to Fig. 9 As shown, in one embodiment, the display panel 100 further includes an encapsulation layer 9 , which is partially disposed between the display function layer 2 and the first light shielding layer 3 , and partially disposed between the display function layer 2 and the filter layer 4 . The encapsulation layer 9 is used to protect the display function layer 2 .

[0087] Preferably, the encapsulation layer 9 includes a first encapsulation layer 91, a second encapsulation layer 92 and a third encapsulation layer 93 which are sequentially stacked in a direction away from the substrate 1. Preferably, the first encapsulation layer 91 and the third encapsulation layer 93 are inorganic layers, which have high density to isolate water and oxygen, and the second encapsulation layer 92 is an organic layer, so that it has a large thickness to flatten the surface of the display panel 100, thereby realizing inorganic-organic-inorganic three-layer encapsulation.

[0088] Reference Fig.10 As shown, in one embodiment, the display panel 100 further includes a touch layer 63 , which is partially disposed between the encapsulation layer 9 and the first light shielding layer 3 , and partially disposed between the encapsulation layer 9 and the filter layer 4 . The touch layer 63 is used to realize a touch function.

[0089] Based on the same inventive concept, another embodiment of the present application further discloses a display device, which includes the display panel in the above embodiment. Further, the display device includes a mobile phone, VR equipment, computer, television, car display equipment, etc.

[0090] In a display device provided in this embodiment, in a display panel 100, the orthographic projections of adjacent filter units 41 on the substrate 1 include an overlapping area, and a second light shielding layer 5 is provided on the side of the filter layer 4 away from the substrate 1, and the overlapping area is located within the orthographic projection of the second light shielding layer 5 on the substrate 1, and the second light shielding layer 5 is used to shield the intersection area of ​​adjacent filter units 41, so as to prevent the reflection and diffraction of light in the intersection area of ​​adjacent filter units 41 from affecting the light emitting effect of the display panel 100, thereby improving the display effect of the display panel 100. At the same time, the second light shielding layer 5 can also reduce the light emitting viewing angle, play a peeping effect, and is conducive to improving the performance of the display device.

[0091] Although the present application has been described in conjunction with specific embodiments thereof, many alternatives, modifications and variations of these embodiments will be apparent to those skilled in the art in light of the foregoing description.

[0092] It should be noted that the above describes some embodiments of the present application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the above embodiments and still achieve the desired results. In addition, the processes depicted in the accompanying drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0093] The embodiments of the present application are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of the present application should be included in the scope of protection of the present application.

Claims

1. A display panel, characterized in that: include: substrate; A display function layer is disposed on one side of the substrate; A first light shielding layer, disposed on a side of the display function layer away from the substrate, the first light shielding layer comprising a plurality of first light-transmitting openings; A filter layer, comprising a plurality of filter units, wherein the filter units are arranged in corresponding first light-transmitting openings, and orthographic projections of adjacent filter units on the substrate include overlapping areas; A second light shielding layer is disposed on a side of the filter layer away from the substrate, the second light shielding layer comprises a plurality of second light-transmitting openings, and the orthographic projections of the second light-transmitting openings on the substrate at least partially overlap with the orthographic projections of the corresponding first light-transmitting openings on the substrate; Wherein, the overlapping area is located within the orthographic projection of the second light-shielding layer on the substrate.

2. The display panel according to claim 1, characterized in that: The display function layer includes a plurality of light-emitting devices and a pixel definition layer, wherein the pixel definition layer defines a plurality of pixel openings, and the light-emitting devices are at least partially located in the corresponding pixel openings; Preferably, the light emitting device comprises a first electrode, a light emitting functional layer and a second electrode which are sequentially stacked in a direction away from the substrate; Preferably, the first electrode comprises an anode, and the second electrode comprises a cathode.

3. The display panel according to claim 2, characterized in that: The orthographic projection of the second light-transmitting opening on the substrate is located within the orthographic projection of the corresponding first light-transmitting opening on the substrate; Preferably, the distance between the edge of the orthographic projection of the second light-transmitting opening on the substrate and the edge of the orthographic projection of the corresponding first light-transmitting opening on the substrate is 0-5 μm; Preferably, the overlapping area is located within the orthographic projection of the first light-shielding layer on the substrate, and the orthographic projection of the first light-shielding layer on the substrate is located within the orthographic projection of the second light-shielding layer on the substrate; Preferably, the orthographic projection of the second light-shielding layer on the substrate is located within the orthographic projection of the pixel definition layer on the substrate.

4. The display panel according to claim 3, characterized in that: The display panel further includes a first planarization layer, wherein the first planarization layer is located between the second light shielding layer and the filter layer, and the first planarization layer covers the filter layer and the first light shielding layer.

5. The display panel according to claim 2, characterized in that: The display panel further includes: A cushioning layer, partly disposed on a side of the second light shielding layer away from the substrate, and partly disposed on the second light-transmitting opening; Preferably, the display panel further includes: A third light-shielding layer is disposed on a side of the elevation layer away from the substrate, the third light-shielding layer comprises a plurality of third light-transmitting openings, and the orthographic projections of the third light-transmitting openings on the substrate at least partially overlap with the orthographic projections of the corresponding second light-transmitting openings on the substrate; Preferably, the orthographic projection of the third light-transmitting opening on the substrate is located within the orthographic projection of the corresponding second light-transmitting opening on the substrate; Preferably, a distance between an edge of an orthographic projection of the third light-transmitting opening on the substrate and an edge of an orthographic projection of the corresponding second light-transmitting opening on the substrate is 0-5 μm; Preferably, the orthographic projection of the second light-transmitting opening on the substrate is located within the orthographic projection of the corresponding first light-transmitting opening on the substrate, and the orthographic projection of the third light-transmitting opening on the substrate is located within the orthographic projection of the corresponding second light-transmitting opening on the substrate; Preferably, the distance between the edge of the orthographic projection of the third light-transmitting opening on the substrate and the edge of the orthographic projection of the corresponding second light-transmitting opening on the substrate is 0-5 μm, and the distance between the edge of the orthographic projection of the second light-transmitting opening on the substrate and the edge of the orthographic projection of the corresponding first light-transmitting opening on the substrate is 0-5 μm; Preferably, the orthographic projection of the third light-shielding layer on the substrate is located within the orthographic projection of the pixel definition layer on the substrate.

6. The display panel according to claim 5, characterized in that: The display panel further includes a second planarization layer, wherein a portion of the second planarization layer is disposed on a side of the third light shielding layer away from the substrate, and a portion of the second planarization layer is disposed on the third light-transmitting opening.

7. The display panel according to claim 2, characterized in that: The light-emitting device includes a red light-emitting device, a green light-emitting device and a blue light-emitting device; the filtering unit includes a red light filter, a blue light filter and a green light filter, the orthographic projection of the red light-emitting device on the substrate is located within the orthographic projection of the corresponding red light filter on the substrate, the orthographic projection of the green light-emitting device on the substrate is located within the orthographic projection of the corresponding green light filter on the substrate, and the orthographic projection of the blue light-emitting device on the substrate is located within the orthographic projection of the corresponding blue light filter on the substrate.

8. The display panel according to claim 1, characterized in that: The display panel further includes an encapsulation layer, wherein the encapsulation layer is partially disposed between the display function layer and the first light shielding layer, and partially disposed between the display function layer and the filter layer; Preferably, the encapsulation layer comprises a first encapsulation layer, a second encapsulation layer and a third encapsulation layer which are sequentially stacked in a direction away from the substrate; Preferably, the first encapsulation layer and the third encapsulation layer are inorganic layers, and the second encapsulation layer is an organic layer.

9. The display panel according to claim 8, characterized in that: The display panel further includes a touch layer, wherein the touch layer is partially disposed between the encapsulation layer and the first light shielding layer, and partially disposed between the encapsulation layer and the filter layer.

10. A display device, characterized in that: Comprising a display panel as described in any one of claims 1-9.

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