Display panel and display apparatus

Abstract

The present application relates to the field of projection display, and discloses a display panel and a display apparatus. The display panel comprises a substrate, a pixel defining layer, an organic supporting layer, and a plurality of light-emitting devices. Each microstructure array comprises a plurality of main microstructures distributed in a corresponding pixel region, and the distributions of the plurality of main microstructures arranged in different types of pixel regions are different. In this way, the plurality of main microstructures located in different types of pixel regions can respectively adjust the light extraction efficiency of light emitted by light-emitting layers in the light-emitting devices located in the different types of pixel regions, so as to ensure that the brightness difference of the light emitted by the light-emitting devices in the different types of pixel regions is small, thereby mitigating color cast of the display panel during use, and prolonging the usage time of the display panel within a certain color cast specification, i.e., prolonging the service life of the display panel.

Description

Display panel and display device 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] To realize full-colorization of an organic light-emitting diode (OLED) display panel, for example, a bottom-emitting OLED display panel can be realized by superimposing a light-emitting device and a color filter (CF).

[0003] Bottom-emission display panels typically include multiple pixel units, each of which typically contains at least two sub-pixels that emit light of different colors. Because the brightness of light emitted by sub-pixels of different colors decays at different rates, the brightness differences between sub-pixels can significantly increase after prolonged use, resulting in poor display quality.

[0004] Summary of the Invention

[0005] The embodiments of the present application provide a display panel and a display device. This can solve the problem of poor display quality of display panels in the prior art. The technical solution is as follows:

[0006] In one aspect, a display panel is provided, wherein the method includes:

[0007] substrate;

[0008] a pixel defining layer located on the substrate, the pixel defining layer being used to define a plurality of pixel regions on the substrate, the plurality of pixel regions including at least two different types of pixel regions;

[0009] an organic supporting layer located on a side of the pixel defining layer facing the substrate, wherein a side of the organic supporting layer facing away from the substrate comprises a plurality of microstructure arrays corresponding one-to-one to the plurality of pixel regions, wherein each microstructure array comprises at least a plurality of main microstructures distributed within a corresponding pixel region, and the distribution of the plurality of main microstructures disposed within different types of pixel regions differs;

[0010] And, a plurality of light-emitting devices corresponding one-to-one to the plurality of pixel areas, the light-emitting devices including a light-emitting layer at least located within the corresponding pixel area, and a portion of the light-emitting layer located within the pixel area is arranged on a side of the plurality of main microstructures away from the substrate.

[0011] Optionally, the plurality of pixel regions include: a plurality of first-type pixel regions and a plurality of second-type pixel regions, and the luminous efficiency of the light-emitting layer in the first-type pixel regions is lower than the luminous efficiency of the light-emitting layer in the second-type pixel regions;

[0012] Among them, the degree to which the multiple main microstructures located in the first type of pixel area improve the light extraction efficiency of the light emitted by the light-emitting layer is greater than the degree to which the multiple main microstructures located in the second type of pixel area improve the light extraction efficiency of the light emitted by the light-emitting layer.

[0013] Optionally, the ratio of the sum of the areas of the orthographic projections of multiple main microstructures located in the first type of pixel area on the substrate to the area of ​​the first type of pixel area is greater than the ratio of the sum of the areas of the orthographic projections of multiple main microstructures located in the second type of pixel area on the substrate to the area of ​​the second type of pixel area.

[0014] Optionally, the number of primary microstructures located in the first type of pixel region is greater than the number of primary microstructures located in the second type of pixel region, and the area of ​​the orthographic projection of the primary microstructures located in the first type of pixel region on the substrate is equal to the area of ​​the orthographic projection of the primary microstructures located in the second type of pixel region on the substrate;

[0015] Alternatively, the area of ​​the orthographic projection of the main microstructure located in the first type of pixel region on the substrate is greater than the area of ​​the orthographic projection of the main microstructure located in the second type of pixel region on the substrate, and the number of the main microstructures located in the first type of pixel region is equal to the number of the main microstructures located in the second type of pixel region;

[0016] Alternatively, the number of main microstructures located in the first type of pixel area is greater than the number of main microstructures located in the second type of pixel area, and the area of ​​the orthographic projection of the main microstructures located in the first type of pixel area on the substrate is greater than the area of ​​the orthographic projection of the main microstructures located in the second type of pixel area on the substrate.

[0017] Optionally, the ratio of the sum of the areas of the orthographic projections of the plurality of main microstructures located in the first type of pixel region on the substrate to the area of ​​the first type of pixel region is equal to the ratio of the sum of the areas of the orthographic projections of the plurality of main microstructures located in the second type of pixel region on the substrate to the area of ​​the second type of pixel region;

[0018] Among them, the multiple main microstructures located in the pixel area include: multiple first main microstructures and multiple second main microstructures distributed in an array, and the absolute value of the difference between the area of ​​the orthographic projection of the first main microstructure on the substrate and the area of ​​the orthographic projection of the second main microstructure on the substrate located in the first type of pixel area is smaller than the absolute value of the difference between the area of ​​the orthographic projection of the first main microstructure on the substrate and the area of ​​the orthographic projection of the second main microstructure on the substrate located in the second type of pixel area.

[0019] Optionally, the multiple main microstructures located in the pixel area are divided into multiple groups of main microstructures, and one group of main microstructures includes: a first main microstructure and multiple second main microstructures, and the multiple second main microstructures are distributed around the periphery of the first main microstructure.

[0020] Optionally, a shape of an orthographic projection of the first main microstructure on the substrate is different from a shape of an orthographic projection of the second main microstructure on the substrate.

[0021] Optionally, the shape of the orthographic projection of the first main microstructure on the substrate and the shape of the orthographic projection of the second main microstructure on the substrate are both polygons, and the number of sides of the orthographic projection of the first main microstructure on the substrate is greater than or equal to the number of sides of the orthographic projection of the second main microstructure on the substrate.

[0022] Optionally, when the periphery of the first main microstructures in a group of the main microstructures is surrounded by second main microstructures, a first spacing is provided between the first main microstructures and the second main microstructures, and a second spacing is provided between two adjacent second main microstructures, and the second spacing is equal to the first spacing;

[0023] Alternatively, in the case where a second main microstructure is distributed around the first main microstructure in a group of the main microstructures, and a first main microstructure in an adjacent group of the main microstructures is distributed, there is a first spacing between the first main microstructure and the second main microstructure, and there is a third spacing between two adjacent first main microstructures, and the first spacing is equal to the third spacing.

[0024] Optionally, for two adjacent pixel areas of the same type, an arrangement direction of a column of microstructures in a microstructure array corresponding to one pixel area has a first angle with the long side direction of the pixel area, and an arrangement direction of a column of microstructures in a microstructure array corresponding to the other pixel area has a second angle with the long side direction of the pixel area;

[0025] The first angle is different from the second angle.

[0026] Optionally, the first angle and the second angle both range from 0 degrees to 60 degrees.

[0027] Optionally, one of the microstructure arrays further includes: a plurality of auxiliary microstructures distributed outside the corresponding pixel area;

[0028] The distribution of the plurality of main microstructures in one of the microstructure arrays is the same as the distribution of the plurality of auxiliary microstructures.

[0029] Optionally, the light-emitting device further comprises: a first electrode located between the light-emitting layer and the organic supporting layer, and a second electrode located on a side of the light-emitting layer away from the first electrode;

[0030] One of the first electrode and the second electrode is a transparent electrode, and the other is a reflective electrode.

[0031] Optionally, when the first electrode is the transparent electrode and the second electrode is the reflective electrode, the main microstructure is a concave portion, and a side of the concave portion facing away from the substrate is an arc-shaped concave surface.

[0032] Optionally, when the first electrode is the reflective electrode and the second electrode is the transparent electrode, the main microstructure is a protrusion, and a surface of the protrusion facing away from the substrate is an arc-shaped convex surface.

[0033] Optionally, the pixel defining layer is further used to define a plurality of auxiliary pixel areas on the substrate;

[0034] The display panel further includes: a plurality of auxiliary light emitting devices corresponding one-to-one to the plurality of auxiliary pixel regions, the auxiliary light emitting devices being distributed in the corresponding auxiliary pixel regions;

[0035] Wherein, the portion of the organic supporting layer located in the auxiliary pixel region has an auxiliary microstructure array; or, the portion of the organic supporting layer located in the auxiliary pixel region is a flat portion.

[0036] Optionally, the display panel further comprises: a color resist layer located on the light-emitting side of the plurality of light-emitting devices, the color resist layer comprising: a plurality of color resist blocks corresponding one-to-one to the plurality of light-emitting devices, and a first auxiliary color resist structure located between two adjacent color resist blocks;

[0037] The orthographic projection of the color resist block on the substrate overlaps with the orthographic projection of the light-emitting layer in the corresponding light-emitting device on the substrate, and the orthographic projection of the color resist block on the substrate does not overlap with the orthographic projection of the auxiliary light-emitting device on the substrate.

[0038] Optionally, the color resist layer has a plurality of hollow areas corresponding one-to-one to the plurality of auxiliary light-emitting devices; the color resist layer further comprises: a second auxiliary color resist structure located between the hollow areas and the color resist block;

[0039] Wherein, the orthographic projection of the auxiliary light-emitting device on the substrate is located within the orthographic projection of the hollow area on the substrate.

[0040] Optionally, the first auxiliary color-resistance structure and the second auxiliary color-resistance structure each include: a first color-resistance portion and a second color-resistance portion stacked;

[0041] The colors of the first color resist portion and the second color resist portion in the first auxiliary color resist structure are respectively the same as the colors of two adjacent color resist blocks located on both sides of the first auxiliary color resist structure;

[0042] The color of one of the first color resist portion and the second color resist portion in the second auxiliary color resist structure is the same as the color of the color resist block located on one side of the second auxiliary color resist structure.

[0043] In another aspect, a display device is provided, comprising:

[0044] A power supply component and a display panel, wherein the power supply component is used to supply power to the display panel, and the display panel is any one of the display panels given above.

[0045] The beneficial effects of the technical solutions provided in the embodiments of the present application include at least:

[0046] A display panel may include: a substrate, a pixel defining layer, an organic support layer, and a plurality of light-emitting devices. By arranging an organic support layer on the side of the pixel defining layer facing the substrate, the side of the organic support layer facing away from the substrate has a plurality of microstructure arrays corresponding to a plurality of pixel regions, and each microstructure array includes a plurality of main microstructures distributed in the corresponding pixel region. And the distribution of the plurality of main microstructures arranged in different types of pixel regions is different. In this way, the plurality of main microstructures located in different types of pixel regions can respectively adjust the light extraction efficiency of the light emitted by the light-emitting layer in the light-emitting device located in different types of pixel regions, thereby ensuring that the brightness difference of the light emitted by the light-emitting devices in different types of pixel regions is small, alleviating the color deviation phenomenon of the display panel during use, and extending the use time of the display panel within a certain color deviation specification, that is, extending the service life of the display panel. It should be noted that in this application, by setting different distributions of main microstructures for different types of pixel areas in the organic support layer, these main microstructures have different light extraction efficiencies for the light emitted by the light-emitting devices in different types of pixel areas. While ensuring a good display effect of the display panel, it can also ensure that the display panel has a high pixel density (English: Pixels Per Inch, abbreviated as PPI) and that the aperture ratio corresponding to the pixel area is large, and the aperture ratios corresponding to different types of pixel areas are relatively consistent. In addition, the size of the driving current required for the light-emitting devices in different types of pixel areas to emit light is relatively consistent, which is conducive to one gamma design. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0048] FIG1 is a schematic diagram of a film structure of a display panel provided in an embodiment of the present application;

[0049] FIG2 is a schematic diagram of the distribution of multiple microstructure arrays in an organic support layer provided in an embodiment of the present application;

[0050] FIG3 is a schematic diagram of a film layer structure of another display panel provided in an embodiment of the present application;

[0051] FIG4 is a schematic diagram of a film structure of another display panel provided in an embodiment of the present application;

[0052] FIG5 is a schematic diagram showing the distribution of multiple microstructure arrays in another organic support layer provided in an embodiment of the present application;

[0053] FIG6 is a schematic diagram showing the distribution of multiple microstructure arrays in another organic support layer provided in an embodiment of the present application;

[0054] FIG7 is a schematic diagram of the distribution of main microstructures within a pixel area provided by an embodiment of the present application;

[0055] FIG8 is a schematic diagram showing the distribution of another main microstructure within a pixel area provided by an embodiment of the present application;

[0056] FIG9 is a schematic diagram showing the distribution of another main microstructure within a pixel area provided by an embodiment of the present application;

[0057] FIG10 is a schematic diagram of the distribution of the main microstructure shown in FIG8;

[0058] FIG11 is a schematic diagram of the distribution of the main microstructure shown in FIG9;

[0059] FIG12 is a schematic diagram showing the distribution of microstructure arrays within two adjacent pixel regions of the same type provided in an embodiment of the present application;

[0060] FIG13 is a schematic diagram showing the distribution of microstructure arrays within different types of pixel regions provided by an embodiment of the present application;

[0061] FIG14 is a schematic diagram showing the distribution of multiple microstructure arrays in another organic support layer provided in an embodiment of the present application;

[0062] FIG15 is a schematic diagram showing the distribution of multiple microstructure arrays in an organic support layer provided in another embodiment of the present application;

[0063] FIG16 is a schematic diagram of a film structure of another display panel provided in an embodiment of the present application;

[0064] FIG17 is a schematic structural diagram of a color resist layer provided in an embodiment of the present application;

[0065] FIG18 is a schematic diagram showing the distribution of wavelengths and transmittances of light of different colors provided in an embodiment of the present application;

[0066] FIG19 is a schematic diagram of a film structure of a display panel provided in another embodiment of the present application.

[0067] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0068] In order to make the objectives, technical solutions and advantages of this application clearer, the implementation methods of this application will be further described in detail below with reference to the accompanying drawings.

[0069] Please refer to Figures 1 and 2. Figure 1 is a schematic diagram of the film structure of a display panel provided in an embodiment of the present application, and Figure 2 is a schematic diagram of the distribution of multiple microstructure arrays in an organic support layer provided in an embodiment of the present application. The display panel 000 may include: a substrate 100, a pixel defining layer 200, an organic support layer 300, and multiple light-emitting devices 400.

[0070] The pixel defining layer 200 in the display panel 000 may be located on the substrate 100. The pixel defining layer 200 may be used to define a plurality of pixel regions 100a on the substrate 100. The plurality of pixel regions 100a may include at least two different types of pixel regions. It should be noted that in this application, the area of ​​each pixel region 100a may be the same.

[0071] The organic supporting layer 300 in the display panel 000 can be located on the side of the pixel defining layer 200 facing the substrate 100. The side of the organic supporting layer 300 facing away from the substrate 100 can have multiple microstructure arrays 301 corresponding to multiple pixel regions 100a. A microstructure array 301 can include at least multiple main microstructures 301a distributed within the pixel region 100a corresponding to the microstructure array 301, and the distribution of the multiple main microstructures 301a provided in different types of pixel regions 100a varies.

[0072] The multiple light-emitting devices 400 in the display panel 000 may correspond one-to-one with the multiple pixel regions 100a. Each light-emitting device 400 may include a light-emitting layer 401 located at least within the pixel region 100a corresponding to the light-emitting device 400. The portion of the light-emitting layer 401 located within the pixel region 100a may be disposed on a side of the multiple primary microstructures 301a facing away from the substrate 100. For example, the multiple pixel regions 100a may include three different types of pixel regions. The light-emitting layers 401 in the light-emitting devices 400 located within the same type of pixel region 100a may emit the same color of light, while the light-emitting layers 401 in the light-emitting devices 400 located within different types of pixel regions 100a may emit different colors of light. For example, the light-emitting layers 401 in the light-emitting devices 400 located within the three different types of pixel regions 100a may emit red, blue, and green colors, respectively. The light-emitting devices may be OLED light-emitting devices.

[0073] In an embodiment of the present application, an organic support layer 300 is provided on the side of the pixel defining layer 200 facing the substrate 100, and a plurality of microstructure arrays 301 corresponding to the plurality of pixel regions 100a are provided on the side of the organic support layer 300 facing away from the substrate 100. Each microstructure array 301 includes a plurality of main microstructures 301a distributed in the corresponding pixel region 100a. The distribution of the plurality of main microstructures 301a provided in different types of pixel regions 100a is different. In this way, the plurality of main microstructures 301a located in different types of pixel regions 100a can respectively adjust the light extraction efficiency of the light emitted by the light-emitting layer 401 in the light-emitting device 400 located in the different types of pixel regions 100a, thereby ensuring that the brightness difference of the light emitted by the light-emitting device 401 in the different types of pixel regions 100a is small, thereby alleviating the color deviation phenomenon of the display panel 000 during use, and extending the service life of the display panel within a certain color deviation specification, that is, extending the service life of the display panel. It should be noted that in this application, by setting different distributions of main microstructures for different types of pixel areas in the organic support layer, these main microstructures have different light extraction efficiencies for the light emitted by the light-emitting devices in different types of pixel areas. While ensuring a good display effect of the display panel, it can also ensure that the display panel has a high pixel density (English: Pixels Per Inch, abbreviated as PPI) and that the aperture ratio corresponding to the pixel area is large, and the aperture ratios corresponding to different types of pixel areas are relatively consistent. In addition, the size of the driving current required for the light-emitting devices in different types of pixel areas to emit light is relatively consistent, which is conducive to one gamma design.

[0074] In summary, the embodiments of the present application provide a display panel, which may include: a substrate, a pixel defining layer, an organic support layer, and a plurality of light-emitting devices. By arranging an organic support layer on the side of the pixel defining layer facing the substrate, the side of the organic support layer facing away from the substrate has a plurality of microstructure arrays corresponding to a plurality of pixel areas, and each microstructure array includes a plurality of main microstructures distributed in the corresponding pixel area. And the distribution of the plurality of main microstructures arranged in different types of pixel areas is different. In this way, the plurality of main microstructures located in different types of pixel areas can respectively adjust the light extraction efficiency of the light emitted by the light-emitting layer in the light-emitting device located in different types of pixel areas, thereby ensuring that the brightness difference of the light emitted by the light-emitting devices in different types of pixel areas is small, alleviating the color deviation phenomenon of the display panel during use, and extending the use time of the display panel within a certain color deviation specification, that is, extending the service life of the display panel. It should be noted that in this application, by setting different distributions of main microstructures for different types of pixel areas in the organic support layer, these main microstructures have different light extraction efficiencies for the light emitted by the light-emitting devices in different types of pixel areas. While ensuring a good display effect of the display panel, it can also ensure that the display panel has a high pixel density (English: Pixels Per Inch, abbreviated as PPI) and that the aperture ratio corresponding to the pixel area is large, and the aperture ratios corresponding to different types of pixel areas are relatively consistent. In addition, the size of the driving current required for the light-emitting devices in different types of pixel areas to emit light is relatively consistent, which is conducive to one gamma design.

[0075] In the embodiment of the present application, please refer to Figure 3, which is a schematic diagram of the film layer structure of another display panel provided in the embodiment of the present application. The light-emitting device 400 in the display panel 000 may further include: a first electrode 402 located between the light-emitting layer 401 and the organic support layer 300, and a second electrode 403 located on the side of the light-emitting layer 401 facing away from the first electrode 402. One of the first electrode 402 and the second electrode 403 may be a transparent electrode, and the other may be a reflective electrode.

[0076] In the present application, as shown in Figure 3, when the first electrode 402 in the light-emitting device 400 is a transparent electrode and the second electrode 403 is a reflective electrode, the main microstructure 301a in the organic support layer 300 can be a recessed portion, and the side of the recessed portion facing away from the substrate 100 can be a curved concave surface a1. In this case, when the first electrode 402 in the light-emitting device 400 is a transparent electrode and the second electrode 403 is a reflective electrode, the display panel 000 can be a bottom-emission display panel. Furthermore, the main microstructure 301a in the organic support layer 300 can be a recessed portion, and the side of the recessed portion facing away from the substrate 100 can be a curved concave surface a1. In this way, the multiple recessed portions distributed within each type of pixel region 100a can improve the light extraction efficiency of the light emitted by the light-emitting layer 401 in the light-emitting device 400 within that pixel region 100a to a certain extent. For example, the first electrode 402 can be made of a transparent conductive material, and the second electrode 403 can be made of a conductive and light-reflective material.

[0077] Alternatively, when the first electrode 402 in the display device 400 is a reflective electrode and the second electrode 403 is a transparent electrode, the main microstructure in the organic support layer 300 can be a raised portion (not shown in the figure), and the side of the raised portion facing away from the substrate can be a curved convex surface. In this case, when the first electrode 402 in the light-emitting device 400 is a reflective electrode and the second electrode 403 is a transparent electrode, the display panel can be a top-emitting display panel. The main microstructure in the organic support layer can be a raised portion, and the side of the raised portion facing away from the substrate can be a curved convex surface. In this way, the multiple raised portions distributed within each type of pixel area can improve the light extraction efficiency of the light emitted by the light-emitting layer in the light-emitting device within this pixel area to a certain extent. For example, the second electrode can be made of a transparent conductive material, and the first electrode can be made of a conductive material with light-reflecting properties. With respect to the organic support layer 300, the material of the organic support layer 300 can include: polyamide fiber or resin, etc.

[0078] It should be noted that, in the embodiments of the present application, a bottom-emission display panel is used as an example for schematic description.

[0079] Optionally, as shown in FIG3 , the multiple pixel regions 100a defined by the pixel-defining layer 200 may include: multiple first-type pixel regions A1 and multiple second-type pixel regions B1. The luminous efficiency of the light-emitting layer 401 within the first-type pixel regions A1 may be lower than the luminous efficiency of the light-emitting layer 401 within the second-type pixel regions B1. The multiple primary microstructures 301a within the first-type pixel regions A1 improve the light extraction efficiency of the light emitted by the light-emitting layer 401 within the first-type pixel regions A1 to a greater extent than the multiple primary microstructures 301a within the second-type pixel regions B1 improve the light extraction efficiency of the light emitted by the light-emitting layer 401 within the second-type pixel regions B1. In this way, the multiple primary microstructures 301a distributed within different types of pixel regions 100a can improve the light extraction efficiency of the light emitted by the light-emitting layer 401 distributed within their respective pixel regions 100a to varying degrees, effectively increasing the luminous brightness. In the case where the luminous efficiency of the light-emitting layer 401 in the first type of pixel area A1 is lower than the luminous efficiency of the light-emitting layer 401 in the second type of pixel area B1, the multiple main microstructures 301a located in the first type of pixel area A1 can significantly improve the light extraction efficiency of the light-emitting layer 401 located in the first type of pixel area A1, ensuring that the brightness of the light emitted by the light-emitting layer 401 in the light-emitting device 400 in the first type of pixel area A1 and the brightness of the light emitted by the light-emitting layer 401 in the light-emitting device 400 in the second type of pixel area B1 are relatively small, thereby alleviating the color shift phenomenon of the display panel during use and extending the service life of the display panel within a certain color shift specification, that is, extending the service life of the display panel. It should be noted that while ensuring a good display effect of the display panel, it can also ensure that the display panel has a high pixel density PPI and a large aperture ratio corresponding to the pixel area, and the aperture ratios corresponding to different types of pixel areas are relatively consistent. In addition, the magnitude of the driving current required for the light-emitting devices in different types of pixel areas to emit light is relatively consistent, which is conducive to one gamma design. It should be noted that in this application, any two types of pixel areas are used as examples for schematic description. For example, the color of the light emitted by the light-emitting layer in the light-emitting device in the first type of pixel area may be red, and the color of the light emitted by the light-emitting layer in the light-emitting device in the second type of pixel area may be green; or, the color of the light emitted by the light-emitting layer in the light-emitting device in the first type of pixel area may be blue, and the color of the light emitted by the light-emitting layer in the light-emitting device in the second type of pixel area may be red.

[0080] In the present application, the distribution of the multiple main microstructures 301a provided in different types of pixel regions 100a can be changed so that the multiple main microstructures can improve the light extraction efficiency of the light emitted by the light-emitting layer 401 provided in the corresponding pixel region to a corresponding degree, thereby ensuring the display effect of the display panel 000. The following embodiments of the present application are schematically described using two optional implementation methods as examples:

[0081] In a first optional implementation, the ratio of the sum of the areas of the orthographic projections of the plurality of primary microstructures 301a located in the first type of pixel region A1 onto the substrate 100 to the area of ​​the first type of pixel region A1 may be greater than the ratio of the sum of the areas of the orthographic projections of the plurality of primary microstructures 301a located in the second type of pixel region B1 onto the substrate 100 to the area of ​​the second type of pixel region B1. In this case, by setting the ratio of the sum of the areas of the orthographic projections of the plurality of primary microstructures 301a located in the first type of pixel region A1 onto the substrate 100 to the area of ​​the first type of pixel region A1 to be greater than the ratio of the sum of the areas of the orthographic projections of the plurality of primary microstructures 301a located in the second type of pixel region B1 onto the substrate 100 to the area of ​​the second type of pixel region B1, the distribution area of ​​the plurality of primary microstructures 301a in the first type of pixel region A1 may be greater than the distribution area of ​​the plurality of primary microstructures 301a in the second type of pixel region B1. In this way, the degree to which the multiple main microstructures 301a located in the first type of pixel area A1 improve the light extraction efficiency of the light emitted by the light-emitting layer 401 distributed in the first type of pixel area A1 is greater than the degree to which the multiple main microstructures 301a located in the second type of pixel area B1 improve the light extraction efficiency of the light emitted by the light-emitting layer 401 distributed in the second type of pixel area B1.

[0082] The following three cases schematically illustrate the distribution of multiple main microstructures in corresponding pixel areas, taking the number of main microstructures and the area of ​​the orthographic projection of the main microstructures on the substrate as examples:

[0083] In the first case, please refer to Figures 3 and 4. Figure 4 is a schematic diagram of the film structure of another display panel provided in an embodiment of the present application. The number of main microstructures 301a located in the first type of pixel area A1 can be greater than the number of main microstructures 301a located in the second type of pixel area B1, and the area of ​​the orthographic projection of the main microstructures 301a located in the first type of pixel area A1 on the substrate 100 can be equal to the area of ​​the orthographic projection of the main microstructures 301a located in the second type of pixel area B1 on the substrate 100. In this way, while ensuring that the orthographic projection areas of the main microstructures 301a in the two types of pixel areas on the substrate 100 are the same, the number of main microstructures 301a located in the first type of pixel area A1 is increased to increase the distribution area of ​​the main microstructures 301a in the first type of pixel area A1.

[0084] In the second case, please refer to FIG5 , which is a schematic diagram of the distribution of multiple microstructure arrays in another organic support layer provided in an embodiment of the present application. The area of ​​the orthographic projection of the main microstructure 301a located in the first type of pixel area A1 on the substrate 100 can be larger than the area of ​​the orthographic projection of the main microstructure 301a located in the second type of pixel area B1 on the substrate 100, and the number of the main microstructures 301a located in the first type of pixel area A1 can be equal to the number of the main microstructures 301a located in the second type of pixel area B1. In this way, when the number of main microstructures 301a located in the two types of pixel areas is the same, the area of ​​the orthographic projection of the main microstructure 301a in the first type of pixel area A1 on the substrate 100 can be set to be larger than the area of ​​the orthographic projection of the main microstructure 301a in the second type of pixel area B1 on the substrate 100, so as to increase the distribution area of ​​the main microstructure 301a in the first type of pixel area A1.

[0085] In a third case, the number of main microstructures 301a located in the first type pixel region A1 can be greater than the number of main microstructures 301a located in the second type pixel region B1, and the area of ​​the orthographic projection of the main microstructures 301a located in the first type pixel region A1 on the substrate 100 can be greater than the area of ​​the orthographic projection of the main microstructures 301a located in the second type pixel region B1 on the substrate 100. In this way, by setting the number of main microstructures 301a located in the first type pixel region A1 to be greater than the number of main microstructures 301a located in the second type pixel region B1, and the area of ​​the orthographic projection of the main microstructures 301a located in the first type pixel region A1 on the substrate 100 to be greater than the area of ​​the orthographic projection of the main microstructures 301a located in the second type pixel region B1 on the substrate 100, the distribution area of ​​the main microstructures 301a in the first type pixel region A1 is increased.

[0086] For a second optional implementation, please refer to FIG6 , which is a schematic diagram of the distribution of a plurality of microstructure arrays in another organic support layer provided in an embodiment of the present application. The ratio of the sum of the areas of the orthographic projections of the plurality of main microstructures 301a located in the first type of pixel region A1 on the substrate 100 to the area of ​​the first type of pixel region A1 may be equal to the ratio of the sum of the areas of the orthographic projections of the plurality of main microstructures 301a located in the second type of pixel region B1 on the substrate 100 to the area of ​​the second type of pixel region B1. The plurality of main microstructures 301a located in the pixel region 100a may include: a plurality of first main microstructures Z1 and a plurality of second main microstructures Z2 distributed in an array. The absolute value of the difference between the area of ​​the orthographic projection of the first primary microstructure Z1 on the substrate 100 and the area of ​​the orthographic projection of the second primary microstructure Z2 on the substrate 100, located in the first type pixel area A1, may be smaller than the absolute value of the difference between the area of ​​the orthographic projection of the first primary microstructure Z1 on the substrate 100 and the area of ​​the orthographic projection of the second primary microstructure Z2 on the substrate 100, located in the second type pixel area B1. In this case, the absolute value of the difference between the area of ​​the orthographic projection of the first primary microstructure Z1 on the substrate 100 and the area of ​​the orthographic projection of the second primary microstructure Z2 on the substrate 100, located in the first type pixel area A1, is set to be smaller than the absolute value of the difference between the area of ​​the orthographic projection of the first primary microstructure Z1 on the substrate 100 and the area of ​​the orthographic projection of the second primary microstructure Z2 on the substrate 100, located in the second type pixel area B1. In this way, the degree to which the multiple main microstructures 301a located in the first type of pixel area A1 improve the light extraction efficiency of the light emitted by the light-emitting layer 401 in the first type of pixel area A1 is greater than the degree to which the multiple main microstructures 301a located in the second type of pixel area B1 improve the light extraction efficiency of the light emitted by the light-emitting layer 401 in the second type of pixel area B1.

[0087] In the embodiment of the present application, please refer to Figures 7, 8 and 9. Figure 7 is a schematic diagram of the distribution of a main microstructure within a pixel area provided by the embodiment of the present application, Figure 8 is a schematic diagram of the distribution of another main microstructure within a pixel area provided by the embodiment of the present application, and Figure 9 is a schematic diagram of the distribution of another main microstructure within a pixel area provided by the embodiment of the present application. The multiple main microstructures 301a located in each pixel area 100a can be divided into multiple groups of main microstructures. A group of main microstructures 301a can include: a first main microstructure Z1 and multiple second main microstructures Z2. The multiple second main microstructures Z2 can be distributed around the periphery of the first main microstructure Z1. In this case, by dividing the multiple main microstructures 301a into multiple groups of main microstructures, the multiple groups of main microstructures are arranged in an array on the organic support layer 300. And a group of main microstructures 301a can include a first main microstructure Z1 and multiple second main microstructures Z2. The multiple second main microstructures Z2 are distributed around the periphery of the first main microstructure Z1. In this way, it can be further ensured that the multiple main microstructures 301 a located in the pixel region 100 a have a better effect of improving the light extraction efficiency of the light emitted by the light emitting layer 401 in the pixel region 100 a.

[0088] Optionally, as shown in Figures 7, 8 and 9, the shape of the orthographic projection of the first main microstructure Z1 in a group of main microstructures 301a on the substrate 100 may be different from the shape of the orthographic projection of the second main microstructure Z2 on the substrate 100. In the present application, the shape of the orthographic projection of the first main microstructure Z1 in a group of main microstructures 301a on the substrate 100 and the shape of the orthographic projection of the second main microstructure Z2 on the substrate 100 may both be polygons. The number of sides of the orthographic projection of the first main microstructure Z1 on the substrate 100 may be greater than or equal to the number of sides of the orthographic projection of the second main microstructure Z2 on the substrate 100. In this case, by adopting an array arrangement of first main microstructures and second main microstructures of different shapes, the phenomenon of rainbow patterns appearing on the display panel in the non-luminous state can be improved.

[0089] For example, as shown in FIG7 , the orthographic projection of the first main microstructure Z1 in a group of main microstructures 301a on the substrate 100 may be in the shape of an octagon, and the orthographic projection of the second main microstructure Z2 on the substrate may be in the shape of a quadrilateral, and a plurality of quadrilaterals may be distributed around the periphery of an octagon. For example, the orthographic projection of the first main microstructure Z1 in a group of main microstructures 301a on the substrate 100 may be in the shape of a regular octagon Z11, and the orthographic projection of the second main microstructure Z2 on the substrate 100 may be in the shape of a regular quadrilateral, and each two regular quadrilaterals may be respectively arranged at two oppositely arranged edges of the regular octagon. For example, the number of the plurality of regular quadrilaterals may be four, one group of regular quadrilaterals includes two oppositely arranged regular quadrilaterals Z21, and the other group of regular quadrilaterals includes two oppositely arranged regular quadrilaterals Z21. The line connecting the two regular quadrilaterals Z21 in one group of regular quadrilaterals intersects the line connecting the two regular quadrilaterals Z21 in the other group of regular quadrilaterals. As shown in FIG. 7 , the distance d1 between two opposite edges in a regular octagon may range from 2 micrometers to 6 micrometers, and the distance d2 between two opposite edges in a regular quadrilateral may range from 1.5 micrometers to 3 micrometers.

[0090] Alternatively, as shown in FIG8 , the shape of the orthographic projection of the first main microstructure Z1 in a group of main microstructures 301a on the substrate 100 may be a hexagon, and the shape of the orthographic projection of the second main microstructure Z2 on the substrate 100 may also be a hexagon, and a plurality of hexagons may be distributed around the periphery of a hexagon. For example, the shape of the orthographic projection of the first main microstructure Z1 in a group of main microstructures 301a on the substrate 100 may be a regular hexagon Z12, and the shape of the orthographic projection of the second main microstructure Z2 on the substrate 100 may be a flat hexagon Z22, and each flat hexagon Z22 may be located at an edge of the regular hexagon Z12. For example, the number of the plurality of flat hexagons Z22 may be six, and the six flat hexagons Z22 may be located at the six edges of the regular hexagon Z12, respectively. In this application, the six flat hexagons Z22 can have the same shape. A flat hexagon Z22 is used as an example for schematic illustration: the hexagon has two opposing first edges, two opposing second edges, and two opposing third edges. A first edge can be located between a second edge and a third edge, and the first edge of the hexagon is arranged parallel to an edge of the regular hexagon. As shown in FIG8 , the distance d6 between the two opposing first edges of the flat hexagon can range from 2.7 microns to 5 microns; the distance d5 between the two opposing edges of the regular hexagon can range from 3.7 microns to 6 microns.

[0091] Alternatively, as shown in FIG9 , the orthographic projection of the first primary microstructure Z1 in a group of primary microstructures 301a on the substrate 100 may be in the shape of a hexagon, and the orthographic projection of the second primary microstructure Z2 on the substrate 100 may be in the shape of a quadrilateral, and multiple quadrilaterals may be distributed around the periphery of a hexagon. For example, the orthographic projection of the first primary microstructure Z1 in a group of primary microstructures 301a on the substrate 100 may be in the shape of a regular hexagon Z13, and the orthographic projection of the second primary microstructure Z2 on the substrate 100 may be in the shape of a trapezoid Z23, and each trapezoid Z23 may be located at an edge of the regular hexagon Z13. For example, the number of the multiple trapezoids Z23 may be six, and the six trapezoids Z23 may be located at the six edges of the regular hexagon Z13, respectively. In this application, the four trapezoids can have the same shape. A single trapezoid is used as an example for schematic illustration: the trapezoid can be an isosceles trapezoid having two opposing first edges and two opposing second edges, one first edge being located between the two second edges, and the first edge of the trapezoid being parallel to an edge of the regular hexagon. As shown in FIG9 , the distance d10 between the two opposing first edges of the trapezoid can range from 2.7 microns to 5 microns; the distance d9 between the two opposing edges of the regular hexagon can range from 3.7 microns to 6 microns.

[0092] In an embodiment of the present application, as shown in Figures 8 and 9, when the first main microstructure Z1 in a group of main microstructures 301a is surrounded by the second main microstructure Z2, there may be a first spacing between the first main microstructure Z1 and the second main microstructure Z2, and there may be a second spacing between two adjacent second main microstructures Z2, and the first spacing may be equal to the second spacing. For example, please refer to Figures 8 and 10. Figure 10 is a schematic diagram of the distribution of the main microstructures shown in Figure 8. A group of main microstructures may include: a first main microstructure Za, two second main microstructures Zb, two second main microstructures Zc and two second main microstructures Zd. There may be a first spacing d7 between the first main microstructure Za and each second main microstructure, and there may be a second spacing d8 between any two adjacent second main microstructures, and the first spacing d7 may be equal to the second spacing d8. The value of the first spacing d7 and the value of the second spacing d8 may range from 0.5 microns to 0.8 microns. In this way, a group of main microstructures corresponds to four types of graphics (i.e., a first main microstructure Za, two second main microstructures Zb, two second main microstructures Zc, and two second main microstructures Zd), and the four types of graphics have four periods respectively, which can effectively improve the rainbow pattern phenomenon of the display panel in the non-luminous state. For example, please refer to Figures 9 and 11. Figure 11 is a schematic diagram of the distribution of the main microstructures shown in Figure 9. A group of main microstructures can include: a first main microstructure Ze, a second main microstructure Zf, a second main microstructure Zg, a second main microstructure Zh, a second main microstructure Zi, a second main microstructure Zj, and a second main microstructure Zk. There can be a first spacing d11 between the first main microstructure Ze and each second main microstructure, and there can be a second spacing d12 between any two adjacent second main microstructures, and the first spacing d11 can be equal to the second spacing d12. The value of the first spacing d11 and the value of the second spacing d12 can range from 0.5 microns to 0.8 microns. In this way, a group of main microstructures corresponds to seven types of graphics (a first main microstructure Ze, a second main microstructure Zf, a second main microstructure Zg, a second main microstructure Zh, a second main microstructure Zi, a second main microstructure Zj and a second main microstructure Zk). The seven graphics have seven periods respectively, which can effectively improve the rainbow pattern phenomenon of the display panel when it is not luminous.

[0093] Alternatively, as shown in Figure 7, when a second main microstructure Z2 is distributed around the first main microstructure Z1 in a group of main microstructures 301a, and a first main microstructure Z1 in an adjacent group of main microstructures 301a is distributed, there can be a first spacing d3 between the first main microstructure Z1 and the second main microstructure Z2, and there can be a third spacing d4 between two adjacent first main microstructures Z1, and the first spacing d3 can be equal to the third spacing d4.

[0094] Alternatively, please refer to Figure 12, which is a schematic diagram of the distribution of microstructure arrays within two adjacent pixel regions of the same type provided in an embodiment of the present application. For two adjacent pixel regions 100a of the same type, the arrangement direction L1 of a column of microstructures in the microstructure array 301 corresponding to one pixel region 100a may have a first angle α1 with the long side direction L2 of the pixel region 100a; the arrangement direction L1 of a column of microstructures in the microstructure array 301 corresponding to the other pixel region 100a may have a second angle α2 with the long side direction L2 of the pixel region 100a. The first angle α1 and the second angle α2 may be different. In this case, for two adjacent pixel regions of the same type, a first angle α1 is set between the arrangement direction L1 of a column of microstructures in the microstructure array corresponding to one pixel region and the long side direction L2 of the pixel region 100a (i.e., the longer side of the pixel region), and a second angle α2 is set between the arrangement direction L1 of a column of microstructures in the microstructure array corresponding to the other pixel region 100a and the long side direction L2 of the pixel region 100a, and the first angle α1 and the second angle α2 are different. For example, when the first angle is 0 degrees and the second angle is 5 degrees, the arrangement direction L1 of a column of microstructures L in the microstructure array 301 corresponding to one pixel region 100a is parallel to the long side direction L2 of the pixel region 100a, and the angle between the arrangement direction L1 of a column of microstructures in the microstructure array corresponding to the other pixel region 100a and the long side direction L2 of the pixel region 100a can be 5 degrees. Please refer to Figures 12 and 13. Figure 13 is a schematic diagram of the distribution of microstructure arrays within different types of pixel regions provided in an embodiment of the present application. As can be seen from Figure 13, the angle between the arrangement direction of a column of microstructures in the microstructure array within different types of pixel regions and the long side direction of the pixel region can also be different, and the long sides of different types of pixel regions can be parallel to each other.

[0095] In the present application, the first angle α1 and the second angle α2 can both range from 0 degrees to 60 degrees, the first angle can be any angle value within the range of 0 degrees to 60 degrees, the second angle can be any angle value within the range of 0 degrees to 60 degrees, and the first angle α2 is different from the second angle α2. It should be noted that in other possible implementations, the first angle and the second angle can also be the same.

[0096] In an embodiment of the present application, please refer to Figures 14 and 15. Figure 14 is a schematic diagram of the distribution of multiple microstructure arrays in another organic support layer provided in an embodiment of the present application, and Figure 15 is a schematic diagram of the distribution of multiple microstructure arrays in an organic support layer provided in another embodiment of the present application. A microstructure array 301 may also include: a plurality of auxiliary microstructures 301b distributed outside the pixel area 100a corresponding to this microstructure array 301. The distribution of the multiple main microstructures 301a in a microstructure array 301 is the same as the distribution of the multiple auxiliary microstructures 301b. For example, the multiple auxiliary microstructures 301b may include: a plurality of first auxiliary microstructures F1 and a plurality of second auxiliary microstructures F2, wherein the distribution of the first auxiliary microstructures F1 and the first main microstructures Z1 may be the same, and the distribution of the second auxiliary microstructures F2 and the second main microstructures Z2 may be the same. That is, the shape of the orthographic projection of the first auxiliary microstructure F1 on the substrate 100 may be the same as the shape of the orthographic projection of the first main microstructure Z1 on the substrate 100, and the shape of the orthographic projection of the second auxiliary microstructure F2 on the substrate 100 may be the same as the shape of the orthographic projection of the second main microstructure Z2 on the substrate 100. And / or, the area of ​​the orthographic projection of the first auxiliary microstructure F1 on the substrate 100 may be the same as the area of ​​the orthographic projection of the first main microstructure Z1 on the substrate 100, and the area of ​​the orthographic projection of the second auxiliary microstructure F2 on the substrate 100 may be the same as the area of ​​the orthographic projection of the second main microstructure Z2 on the substrate 100.

[0097] Optionally, please refer to Figures 14, 15 and 16. Figure 16 is a schematic diagram of the film structure of another display panel provided in an embodiment of the present application. The pixel defining layer 200 in the display panel 000 can also be used to define a plurality of auxiliary pixel areas 100b on the substrate 100. The display panel 000 can also include: a plurality of auxiliary light-emitting devices 500 corresponding one-to-one to the plurality of auxiliary pixel areas 100b, and each auxiliary light-emitting device 500 can be distributed in the corresponding auxiliary pixel area 100b. Among them, the portion of the organic supporting layer 300 located in the auxiliary pixel area 100b can have an auxiliary microstructure array 302. In this case, by providing the auxiliary microstructure array 302 in the portion of the organic supporting layer 300 located in the auxiliary pixel area 100b, the light extraction efficiency of the light emitted by the auxiliary light-emitting device 500 can be effectively improved, and the power consumption required for the auxiliary light-emitting device to emit light can be reduced. Alternatively, as shown in Figure 3, the portion of the organic supporting layer 300 located in the auxiliary pixel area 100b can be a flat portion. For example, the auxiliary light emitting devices 500 distributed in the auxiliary pixel region 100 b may be used to emit white light.

[0098] It should be noted that, when the portion of the organic supporting layer 300 located in the auxiliary pixel area 100b is a flat portion, the flat portion may have a flat side, and the flat side of the flat portion may be arranged parallel to the substrate. In the present application, the distribution of the auxiliary microstructure array 302 may be the same as the distribution of the microstructure array in any pixel area, or the distribution of the auxiliary microstructure array 302 may be different from the distribution of the microstructure arrays in multiple pixel areas. That is, the shape and area of ​​the orthographic projection of the microstructures in the auxiliary microstructure array 302 on the substrate may be the same as or different from the shape and area of ​​the orthographic projection of the main microstructures in the microstructure array on the substrate.

[0099] In the embodiment of the present application, please refer to Figures 16 and 17. Figure 17 is a schematic diagram of the structure of a color resist layer provided in the embodiment of the present application. The display panel 000 may also include: a color resist layer 600 located on the light-emitting side of the plurality of light-emitting devices 400. The color resist layer 600 may include: a plurality of color resist blocks 601 corresponding one-to-one to the plurality of light-emitting devices 400, and a first auxiliary color resist structure 602 located between two adjacent color resist blocks 601. The orthographic projection of the color resist block 601 on the substrate 100 overlaps with the orthographic projection of the light-emitting layer 401 in the corresponding light-emitting device 400 on the substrate 100, and the orthographic projection of each color resist block 601 on the substrate 100 does not overlap with the orthographic projection of the auxiliary light-emitting device 500 on the substrate 100. In this case, by providing a color resist block 601 corresponding to each light-emitting device 400, the colorization of the display panel can be achieved. In addition, a first auxiliary color-resistance structure 602 is provided between two adjacent color-resistance blocks 601. The first auxiliary color-resistance structure 602 can prevent the two adjacent light-emitting devices 400 from generating the undesirable phenomenon of light mixing. For example, the color of the color-resistance block 601 corresponding to the light-emitting device 400a is red, and its light-transmitting band is the blue light band; the color of the color-resistance block 601 corresponding to the light-emitting device 400b is green, and its light-transmitting band is the green band; the color of the color-resistance block 601 corresponding to the light-emitting device 400c is blue, and its light-transmitting band is the blue band. Please refer to FIG18, which is a schematic diagram of the distribution of wavelengths and transmittance of light of different colors provided in an embodiment of the present application. It can be seen from FIG18 that when the transmittance corresponding to the overlapping area of ​​the wavelengths of two colors of light is low, the color-resistance blocks corresponding to the two colors can be overlapped to filter the light.

[0100] Optionally, as shown in Figures 16 and 17 , the color-resist layer 600 in the display panel 000 may have multiple hollow regions c1 corresponding one-to-one to the multiple auxiliary light-emitting devices 500. The color-resist layer 600 may also include a second auxiliary color-resist structure 603 located between the hollow regions c1 and adjacent color-resist blocks 601. The orthographic projections of the auxiliary light-emitting devices 500 on the substrate 100 may be located within the orthographic projections of the hollow regions c1 in the color-resist layer 600 on the substrate 100. In this case, by providing the second auxiliary color-resist structure 603 between the hollow regions c1 of the color-resist layer 600 and adjacent color-resist blocks 601, light leakage between the auxiliary pixel regions 100b and adjacent pixel regions 100a can be prevented, thereby improving the display quality of the display panel 000.

[0101] In this application, please refer to Figures 16 and 19. Figure 19 is a schematic diagram of the film structure of a display panel provided in another embodiment of the present application. The first auxiliary color resist structure 602 and the second auxiliary color resist structure 603 can both be in a grid shape. The first auxiliary color resist structure 602 and the second auxiliary color resist structure 603 can both include: a first color resist portion S1 and a second color resist portion S2 stacked in a direction perpendicular to the substrate. The colors of the first color resist portion S1 and the second color resist portion S2 in the first auxiliary color resist structure 602 are the same as the colors of the two adjacent color resist blocks 601 located on either side of the first auxiliary color resist structure 602. The color of one of the first color resist portion S1 and the second color resist portion S2 in the second auxiliary color resist structure 603 is the same as the color of the color resist block 601 located on one side of the second auxiliary color resist structure 603; the color of the other of the first color resist portion S1 and the second color resist portion S2 in the second auxiliary color resist structure 603 is different from the color of the color resist block 601 located on one side of the second auxiliary color resist structure 603. For example, the second auxiliary color resist structure 603 provided between the auxiliary light-emitting device 500 and the adjacent light-emitting device 400a is used as an example for description: the color of the second color resist portion S2 in the second auxiliary color resist structure 603 is the same as the color of the color resist block 601 corresponding to the light-emitting device 400a, and the color of the first color resist portion S1 in the second auxiliary color resist structure 603 is different from the color of the color resist block 601 corresponding to the light-emitting device 400a.

[0102] In an embodiment of the present application, as shown in FIG16 , the substrate 100 in the display panel 000 may include a pixel driving circuit 100 c electrically connected to the first electrode 402. The pixel driving circuit 100 c may be configured to apply a driving voltage to the first electrode 402. For example, as shown in FIG16 , the substrate 100 may include a substrate 101, and a light shielding layer 102, a buffer layer 103, an active layer pattern 104, a gate insulating layer 105, a first conductive pattern 106, and a second conductive pattern 107 stacked on the substrate 101 in a direction perpendicular to and away from the substrate 101. The light shielding layer 102 is configured to shield the active layer pattern 104, preventing the active layer pattern 104 from experiencing a voltage threshold shift when exposed to light. The buffer layer 103 is configured to block ions in the substrate 101 from entering the active layer pattern 104, thereby preventing the performance of the active layer pattern 104 from being affected by the ions entering the active layer pattern 104.

[0103] The first conductive pattern 106 may include a gate electrode 1061 and a gate line (not shown) connected to the gate electrode 1061. The gate line is used to apply a gate voltage to the gate electrode 1061.

[0104] The second conductive pattern 107 may include a source electrode 1071, a drain electrode 1072, and a data line (not shown). The data line may be electrically connected to one of the source electrode 1071 and the drain electrode 1072, and the other of the source electrode 1071 and the drain electrode 1072 may be electrically connected to the first electrode 402. In this application, the drain electrode 1072 may be electrically connected to the first electrode 402, and the source electrode 1071 needs to be electrically connected to the data line.

[0105] It should be noted that the gate electrode 1061 , the active layer pattern 104 , the source electrode 1071 , the drain electrode 1072 and other structures can constitute the pixel driving circuit 100 c in the above embodiment.

[0106] Optionally, as shown in FIG16 , the display panel 000 may further include a passivation protective layer 700 located between the substrate 100 and the organic support layer 300 . The passivation protective layer 700 may have a plurality of first vias 701 . The pixel defining layer 200 in the display panel 000 may also be used to define a non-pixel region outside the pixel region 100a on the substrate 100 . The portion of the organic support layer 300 located within the non-pixel region may have a plurality of second vias 303 that are in one-to-one communication with the plurality of first vias 701 . The first electrode 401 in the light-emitting device 400 may be electrically connected to the substrate 100 via the interconnected first vias 701 and the second vias 303 .

[0107] In an embodiment of the present application, as shown in FIG19 , the display panel 000 may further include an encapsulation layer 800 located on a side of the second electrode layer 600 facing away from the substrate 100. In this case, the encapsulation layer 800 is used to encapsulate the light-emitting devices within the display panel to isolate the light-emitting devices from the outside air and prevent the light-emitting layer 800 from being corroded by components such as moisture and oxygen in the air.

[0108] In summary, the embodiments of the present application provide a display panel, which may include: a substrate, a pixel defining layer, an organic support layer, and a plurality of light-emitting devices. By arranging an organic support layer on the side of the pixel defining layer facing the substrate, the side of the organic support layer facing away from the substrate has a plurality of microstructure arrays corresponding to a plurality of pixel areas, and each microstructure array includes a plurality of main microstructures distributed in the corresponding pixel area. And the distribution of the plurality of main microstructures arranged in different types of pixel areas is different. In this way, the plurality of main microstructures located in different types of pixel areas can respectively adjust the light extraction efficiency of the light emitted by the light-emitting layer in the light-emitting device located in different types of pixel areas, thereby ensuring that the brightness difference of the light emitted by the light-emitting devices in different types of pixel areas is small, alleviating the color deviation phenomenon of the display panel during use, and extending the use time of the display panel within a certain color deviation specification, that is, extending the service life of the display panel. It should be noted that in this application, by setting different distributions of main microstructures for different types of pixel areas in the organic support layer, these main microstructures have different light extraction efficiencies for the light emitted by the light-emitting devices in different types of pixel areas. While ensuring a good display effect of the display panel, it can also enable the display panel to have a higher pixel density (English: Pixels Per Inch, abbreviated as PPI) and a larger aperture ratio corresponding to the pixel area, and the aperture ratios corresponding to different types of pixel areas are relatively consistent. In addition, the size of the driving current required for the light-emitting devices in different types of pixel areas to emit light is relatively consistent, which is conducive to one gamma design.

[0109] The present application also provides a display device, which can be any product or component with a display function, such as electronic paper, a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame, or a navigation system. The display device can include a power supply component and a display panel. The power supply component can be used to power the display panel, which can be any of the display panels listed above.

[0110] The present application also provides a display device, which can be any product or component with a display function, such as electronic paper, a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame, or a navigation system. The display device can include a power supply component and a display panel. The power supply component can be used to power the display panel, which can be any of the display panels listed above.

[0111] It should be noted that in the accompanying drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. It will also be understood that when an element or layer is referred to as being "on" another element or layer, it may be directly on the other element, or there may be an intermediate layer. In addition, it will be understood that when an element or layer is referred to as being "under" another element or layer, it may be directly under the other element, or there may be more than one intermediate layer or element. In addition, it will also be understood that when a layer or element is referred to as being "between" two layers or elements, it may be the only layer between the two layers or elements, or there may also be more than one intermediate layer or element. Similar reference numerals throughout the text indicate similar elements.

[0112] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more than two, unless expressly limited otherwise.

[0113] The above description is merely an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A display panel, characterized in that: include: substrate; a pixel defining layer located on the substrate, the pixel defining layer being used to define a plurality of pixel regions on the substrate, the plurality of pixel regions including at least two different types of pixel regions; an organic supporting layer located on a side of the pixel defining layer facing the substrate, wherein a side of the organic supporting layer facing away from the substrate comprises a plurality of microstructure arrays corresponding one-to-one to the plurality of pixel regions, wherein each microstructure array comprises at least a plurality of main microstructures distributed within a corresponding pixel region, and the distribution of the plurality of main microstructures disposed within different types of pixel regions differs; And, a plurality of light-emitting devices corresponding one-to-one to the plurality of pixel areas, the light-emitting devices including a light-emitting layer at least located within the corresponding pixel area, and a portion of the light-emitting layer located within the pixel area is arranged on a side of the plurality of main microstructures away from the substrate.

2. The display panel according to claim 1, wherein: The plurality of pixel regions include: a plurality of first-type pixel regions and a plurality of second-type pixel regions, wherein the luminous efficiency of the light-emitting layer in the first-type pixel regions is less than the luminous efficiency of the light-emitting layer in the second-type pixel regions; Among them, the degree to which the multiple main microstructures located in the first type of pixel area improve the light extraction efficiency of the light emitted by the light-emitting layer is greater than the degree to which the multiple main microstructures located in the second type of pixel area improve the light extraction efficiency of the light emitted by the light-emitting layer.

3. The display panel according to claim 2, wherein: The ratio of the sum of the areas of the orthographic projections of the multiple main microstructures located in the first type of pixel area on the substrate to the area of ​​the first type of pixel area is greater than the ratio of the sum of the areas of the orthographic projections of the multiple main microstructures located in the second type of pixel area on the substrate to the area of ​​the second type of pixel area.

4. The display panel according to claim 3, wherein: The number of primary microstructures located in the first type of pixel region is greater than the number of primary microstructures located in the second type of pixel region, and the area of ​​the orthographic projection of the primary microstructures located in the first type of pixel region on the substrate is equal to the area of ​​the orthographic projection of the primary microstructures located in the second type of pixel region on the substrate; Alternatively, the area of ​​the orthographic projection of the main microstructure located in the first type of pixel region on the substrate is greater than the area of ​​the orthographic projection of the main microstructure located in the second type of pixel region on the substrate, and the number of the main microstructures located in the first type of pixel region is equal to the number of the main microstructures located in the second type of pixel region; Alternatively, the number of main microstructures located in the first type of pixel area is greater than the number of main microstructures located in the second type of pixel area, and the area of ​​the orthographic projection of the main microstructures located in the first type of pixel area on the substrate is greater than the area of ​​the orthographic projection of the main microstructures located in the second type of pixel area on the substrate.

5. The display panel according to claim 2, wherein: The ratio of the sum of the areas of the orthographic projections of the plurality of main microstructures located in the first type of pixel region on the substrate to the area of ​​the first type of pixel region is equal to the ratio of the sum of the areas of the orthographic projections of the plurality of main microstructures located in the second type of pixel region on the substrate to the area of ​​the second type of pixel region; Among them, the multiple main microstructures located in the pixel area include: multiple first main microstructures and multiple second main microstructures distributed in an array, and the absolute value of the difference between the area of ​​the orthographic projection of the first main microstructure on the substrate and the area of ​​the orthographic projection of the second main microstructure on the substrate located in the first type of pixel area is smaller than the absolute value of the difference between the area of ​​the orthographic projection of the first main microstructure on the substrate and the area of ​​the orthographic projection of the second main microstructure on the substrate located in the second type of pixel area.

6. The display panel according to any one of claims 1 to 5, characterized in that: The multiple main microstructures located in the pixel area are divided into multiple groups of main microstructures. One group of main microstructures includes: a first main microstructure and multiple second main microstructures. The multiple second main microstructures are distributed around the periphery of the first main microstructure.

7. The display panel according to claim 6, wherein: A shape of an orthographic projection of the first main microstructure on the substrate is different from a shape of an orthographic projection of the second main microstructure on the substrate.

8. The display panel according to claim 7, wherein: The shape of the orthographic projection of the first main microstructure on the substrate and the shape of the orthographic projection of the second main microstructure on the substrate are both polygons, and the number of sides of the orthographic projection of the first main microstructure on the substrate is greater than or equal to the number of sides of the orthographic projection of the second main microstructure on the substrate.

9. The display panel according to claim 8, wherein: In a case where the periphery of a first main microstructure in a group of the main microstructures is surrounded by a second main microstructure, a first spacing is provided between the first main microstructure and the second main microstructure, and a second spacing is provided between two adjacent second main microstructures, and the second spacing is equal to the first spacing; Alternatively, in the case where a second main microstructure is distributed around the first main microstructure in a group of the main microstructures, and a first main microstructure in an adjacent group of the main microstructures is distributed, there is a first spacing between the first main microstructure and the second main microstructure, and there is a third spacing between two adjacent first main microstructures, and the first spacing is equal to the third spacing.

10. The display panel according to any one of claims 1-5, 7-9, characterized in that: For two adjacent pixel areas of the same type, an arrangement direction of a column of microstructures in a microstructure array corresponding to one pixel area has a first angle with the long side direction of the pixel area, and an arrangement direction of a column of microstructures in a microstructure array corresponding to the other pixel area has a second angle with the long side direction of the pixel area; The first angle is different from the second angle.

11. The display panel according to claim 10, wherein: The first angle and the second angle both range from 0 degrees to 60 degrees.

12. The display panel according to any one of claims 1-5, 7-9, characterized in that: One of the microstructure arrays further includes: a plurality of auxiliary microstructures distributed outside the corresponding pixel area; The distribution of the plurality of main microstructures in one of the microstructure arrays is the same as the distribution of the plurality of auxiliary microstructures.

13. The display panel according to any one of claims 1-5 and 7-9, characterized in that: The light emitting device further comprises: a first electrode located between the light emitting layer and the organic supporting layer, and a second electrode located on a side of the light emitting layer away from the first electrode; One of the first electrode and the second electrode is a transparent electrode, and the other is a reflective electrode.

14. The display panel according to claim 13, wherein: In the case where the first electrode is the transparent electrode and the second electrode is the reflective electrode, the main microstructure is an inner concave portion, and a side of the inner concave portion facing away from the substrate is an arc-shaped concave surface.

15. The display panel according to claim 13, wherein: In the case where the first electrode is the reflective electrode and the second electrode is the transparent electrode, the main microstructure is a protrusion, and a surface of the protrusion facing away from the substrate is an arc-shaped convex surface.

16. The display panel according to any one of claims 1-5, 7-9, characterized in that: The pixel defining layer is further used to define a plurality of auxiliary pixel areas on the substrate; The display panel further includes: a plurality of auxiliary light emitting devices corresponding one-to-one to the plurality of auxiliary pixel regions, the auxiliary light emitting devices being distributed in the corresponding auxiliary pixel regions; Wherein, the portion of the organic supporting layer located in the auxiliary pixel region has an auxiliary microstructure array; or, the portion of the organic supporting layer located in the auxiliary pixel region is a flat portion.

17. The display panel according to claim 16, wherein: The display panel further includes: a color resist layer located on the light-emitting side of the plurality of light-emitting devices, the color resist layer including: a plurality of color resist blocks corresponding one-to-one to the plurality of light-emitting devices, and a first auxiliary color resist structure located between two adjacent color resist blocks; The orthographic projection of the color resist block on the substrate overlaps with the orthographic projection of the light-emitting layer in the corresponding light-emitting device on the substrate, and the orthographic projection of the color resist block on the substrate does not overlap with the orthographic projection of the auxiliary light-emitting device on the substrate.

18. The display panel according to claim 17, wherein: The color resist layer has a plurality of hollow areas corresponding to the plurality of auxiliary light-emitting devices; the color resist layer further comprises: a second auxiliary color resist structure located between the hollow areas and the color resist blocks; Wherein, the orthographic projection of the auxiliary light-emitting device on the substrate is located within the orthographic projection of the hollow area on the substrate.

19. The display panel according to claim 18, wherein: The first auxiliary color-resistance structure and the second auxiliary color-resistance structure each include: a first color-resistance portion and a second color-resistance portion stacked; The colors of the first color resist portion and the second color resist portion in the first auxiliary color resist structure are respectively the same as the colors of two adjacent color resist blocks located on both sides of the first auxiliary color resist structure; The color of one of the first color resist portion and the second color resist portion in the second auxiliary color resist structure is the same as the color of the color resist block located on one side of the second auxiliary color resist structure.

20. A display device, characterized in that: include: A power supply component and a display panel, wherein the power supply component is used to supply power to the display panel, and the display panel is the display panel according to any one of claims 1 to 19.

Images