Display panel and display device

Abstract

The application provides a display panel and a display device, the display panel comprising a display substrate, a pixel definition layer, a plurality of sub-pixels and a support layer, the pixel definition layer comprising a plurality of pixel definition portions, and an opening area being between two adjacent pixel definition portions; the sub-pixel comprising a light-emitting layer, and the light-emitting layer being at least partially located in the opening area; the support layer being located on a side of the light-emitting layer away from the display substrate, and the support layer comprising a plurality of support portions, the support portion being located on a side of the pixel definition portion away from the display substrate, and the support portion comprising a first support portion; along a first direction, a minimum distance between the first support portion and a first opening area is D1, a minimum distance between the first support portion and a second opening area is D2, and D1 is not equal to D2, wherein the first direction is perpendicular to a thickness direction of the display substrate. The display panel can improve the differentiated peep-proof effect of the display panel.

Description

Technical Field

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

[0002] With the development of display technology, in-vehicle displays are trending towards greater intelligence and larger screens. As the brightness of display panels increases, the reflected light on the windshield intensifies, resulting in heavier projection and interfering with the driver's vision, especially at night, seriously affecting driving safety. To eliminate windshield reflections and projections, significant brightness loss is achieved, and differentiated privacy protection measures from different directions are ineffective.

[0003] Therefore, there is an urgent need for a display panel that can solve the technical problem of poor privacy protection effect of existing display panels. Summary of the Invention

[0004] The main objective of this invention is to provide a display panel and a display device to solve the problem of how to improve the differentiated privacy protection effect of display panels in the prior art.

[0005] To achieve the above objectives, according to one aspect of the present invention, a display panel is provided, comprising: a display substrate; a pixel definition layer located on one side of the display substrate, the pixel definition layer including a plurality of pixel definition portions, wherein an opening region is formed between two adjacent pixel definition portions; a plurality of sub-pixels, each sub-pixel including a light-emitting layer, the light-emitting layer being at least partially located within the opening region; a support layer located on the side of the light-emitting layer away from the display substrate, the support layer including a plurality of support portions, the support portions being located on the side of the pixel definition portions away from the display substrate, the support portions including a first support portion; along a first direction, the opening region includes a first opening region adjacent to the first support portion and a second opening region adjacent to the first support portion, and along the first direction, the minimum distance between the first support portion and the first opening region is D1, the minimum distance between the first support portion and the second opening region is D2, D1≠D2, wherein the first direction is perpendicular to the thickness direction of the display substrate.

[0006] Optionally, the support portion further includes a second support portion. Along the first direction, the first opening region is located between the first support portion and the second support portion, and the distance between the second support portion and the first opening region is D3, where D1≠D3.

[0007] Optionally, a support portion is disposed on the surface of the pixel definition portion away from the display substrate.

[0008] Optionally, each pixel definition part is provided in a one-to-one correspondence with each support part.

[0009] Optionally, the display panel further includes: a first light-shielding layer located on the side of the support layer away from the pixel definition layer, the first light-shielding layer including a plurality of spaced first light-shielding portions, the first light-shielding portions at least partially covering the support portion, the first light-shielding portions including a first predetermined light-shielding portion; along the first direction, the first opening region and the second opening region are located on both sides of the first predetermined light-shielding portion and adjacent to the first predetermined light-shielding portion, and along the first direction, the minimum distance between the first predetermined light-shielding portion and the first opening region is L1, the minimum distance between the first predetermined light-shielding portion and the second opening region is L2, L1≠L2, wherein the orthographic projection of the first light-shielding portion on the display substrate and the orthographic projection of the pixel definition portion on the display substrate at least partially overlap.

[0010] Optionally, L1 = D1 and / or L2 = D2.

[0011] Optionally, L1≠D1 and / or L2≠D2.

[0012] Optionally, the first light-shielding part further includes a second predetermined light-shielding part. Along the first direction, the first opening area is located between the first predetermined light-shielding part and the second predetermined light-shielding part, and the distance between the second predetermined light-shielding part and the first opening area is L3, where L1≠L3.

[0013] Optionally, the orthographic projection of the first light-shielding part on the display substrate covers the orthographic projection of the support part on the display panel.

[0014] Optionally, the display panel further includes an encapsulation layer located between the first light-shielding layer and the support layer.

[0015] Optionally, the display panel further includes: a first organic layer located on the side of the support layer away from the display substrate; and a second organic layer located on the side of the first organic layer away from the light-emitting layer, wherein the refractive index of the second organic layer is greater than that of the first organic layer.

[0016] Optionally, the minimum distances from the two ends of the second organic layer to the center of the sub-pixel are different.

[0017] Optionally, the first organic layer includes a plurality of spaced first organic layer openings, the orthographic projection of the first organic layer openings on the display substrate overlapping the orthographic projection of the opening region on the display substrate.

[0018] Optionally, the surface of the first organic layer with the opening facing the display substrate is concave, and the surface of the second organic layer near the display substrate is convex.

[0019] Optionally, the display panel further includes a third organic layer located on a portion of the surface of the second organic layer away from the first organic layer, wherein the refractive index of the third organic layer is greater than that of the second organic layer.

[0020] Optionally, the orthographic projection of the third organic layer on the display substrate at least partially overlaps with the orthographic projection of the sub-pixel on the display substrate.

[0021] Optionally, the third organic layer includes a first organic portion and a second organic portion, wherein the orthographic projection of the first organic portion on the display substrate at least partially overlaps with the orthographic projection of the sub-pixel on the display substrate, the orthographic projection of the second organic portion on the display substrate at least partially overlaps with the orthographic projection of the sub-pixel on the display substrate, the orthographic projection of the first organic portion on the display substrate and the orthographic projection of the second organic portion on the display substrate do not overlap, and the refractive index of the first organic portion is less than the refractive index of the second organic portion.

[0022] Optionally, the surface of the first organic part away from the second organic layer is convex, and the surface of the second organic part away from the second organic layer is also convex.

[0023] Optionally, the display panel further includes a fourth organic layer located on the side of the third organic layer away from the second organic layer.

[0024] Optionally, the display panel further includes: a second light-shielding layer located between the fourth organic layer and the first organic layer, the second light-shielding layer including a plurality of spaced second light-shielding portions, one of the second light-shielding portions being disposed on a surface of the support portion away from the display substrate, at least a portion of the second light-shielding portion having a different minimum distance from two adjacent opening regions, wherein the orthographic projection of the second light-shielding portion on the display substrate and the orthographic projection of the pixel definition portion on the display substrate at least partially overlap.

[0025] To achieve the above objectives, according to one aspect of the present invention, a display device is provided, comprising: any of the aforementioned display panels.

[0026] By applying the technical solution of this invention, a display panel is provided. Since the minimum distance between the first support portion and the first opening area and the minimum distance between the first support portion and the second opening area are not equal, the angle between the light emitted from the first opening area and the plane containing the light-emitting layer is a first angle, and the angle between the light emitted from the second opening area and the plane containing the light-emitting layer is a second angle. Therefore, the first angle and the second angle are not equal. Furthermore, the first support portion is disposed on the pixel definition portion, which can block wide-viewing-angle light emitted from the first and second opening areas. This allows for light emission differentiation between the first and second opening areas in different directions and positions, improving the differentiated privacy protection effect of the display panel and solving the technical problem of how to improve the differentiated privacy protection effect of the display panel in the prior art. Attached Figure Description

[0027] The accompanying drawings, which form part of this specification, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0028] Figure 1 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0029] Figure 2 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0030] Figure 3 A schematic diagram of another display panel provided according to an embodiment of the present invention is shown;

[0031] Figure 4 A schematic diagram of the structure of another display panel provided according to an embodiment of the present invention is shown;

[0032] Figure 5 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0033] Figure 6 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0034] Figure 7 A schematic diagram of another display panel provided according to an embodiment of the present invention is shown;

[0035] Figure 8 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0036] Figure 9 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0037] Figure 10 A schematic diagram of another display panel provided according to an embodiment of the present invention is shown;

[0038] Figure 11 A schematic diagram of the structure of another display panel provided according to an embodiment of the present invention is shown;

[0039] Figure 12 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0040] Figure 13 A schematic diagram of another display panel provided according to an embodiment of the present invention is shown;

[0041] Figure 14 A schematic diagram of the structure of another display panel provided according to an embodiment of the present invention is shown;

[0042] Figure 15 A schematic diagram of the structure of another display panel provided according to an embodiment of the present invention is shown;

[0043] Figure 16 A schematic diagram of the structure of a display panel according to an embodiment of the present invention is shown;

[0044] Figure 17 A schematic diagram of a display device according to an embodiment of the present invention is shown.

[0045] The above figures include the following reference numerals:

[0046] 10. Display substrate; 20. Pixel definition section; 30. Light-emitting layer; 31. Pixel unit; 40. Support section; 401. First support section; 402. Second support section; 50. Opening area; 501. First opening area; 502. Second opening area; X1. First direction; 60. First light-shielding section; 601. First predetermined light-shielding section; 602. Second predetermined light-shielding section; 70. Encapsulation layer; 71. First organic layer; 72. Second organic layer; 73. Third organic layer; 731. First organic part; 732. Second organic part; 74. Fourth organic layer; 80. Second light-shielding section; 100. Display panel. Detailed Implementation

[0047] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0048] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0049] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of the invention described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0050] In order to improve the privacy protection effect of the display panel and improve the light output at a specific viewing angle, this application proposes a display panel and a display device.

[0051] Figure 1 This is a schematic diagram of the structure of a display panel according to an embodiment of this application. Figure 1 , Figure 2 as well as Figures 5 to 7 As shown, it includes:

[0052] Display substrate 10;

[0053] A pixel definition layer is located on one side of the display substrate 10. The pixel definition layer includes a plurality of pixel definition portions 20, and an opening region 50 is provided between two adjacent pixel definition portions 20.

[0054] Specifically, the pixel definition layer described above is used to define the specific location of the light-emitting layer 30, that is, the specific location of the sub-pixels. The colors of two adjacent sub-pixels can be the same or different.

[0055] Multiple sub-pixels, wherein each sub-pixel includes a light-emitting layer 30, wherein the light-emitting layer 30 is at least partially located within the opening region 50;

[0056] In practical applications, the light-emitting layer 30 can completely fill the opening area 50 or partially fill the opening area 50. That is, the orthographic projection of the light-emitting layer 30 on the display substrate 10 overlaps or completely overlaps with the orthographic projection of the opening area 50 on the display substrate 10.

[0057] A support layer is located on the side of the light-emitting layer 30 away from the display substrate 10. The support layer includes a plurality of support portions 40. The support portions 40 are located on the side of the pixel definition portion 20 away from the display substrate 10. The support portion 40 includes a first support portion 401.

[0058] In practical applications, the aforementioned support layer is used to support and maintain a fixed distance between the array substrate and the color filter substrate in the display panel. The material of the support layer can be a photoresist material. It should be noted that the aforementioned multiple support portions 40 include main pillars and auxiliary pillars. The main pillars are the support portions 40 that function continuously under normal operating conditions of the display panel; the auxiliary pillars increase the overall support strength of the support layer by supporting the array substrate when the display panel is unexpectedly subjected to external pressure, thus preventing damage to the display panel under external force. Those skilled in the art can comprehensively consider factors such as the density, thickness, height, step difference, and compression ratio of the support layer material to achieve optimal display effects. Furthermore, the thickness of the aforementioned support layer is greater than the thickness of the pixel definition layer. The shape of the cross-section of each of the aforementioned support portions 40 along the first direction X1 can be as follows: Figure 1 The trapezoid shown can also be a semicircle or a rectangle.

[0059] Along the first direction X1, the opening region 50 includes a first opening region 501 adjacent to the first support portion 401 and a second opening region 502 adjacent to the first support portion 401. Along the first direction X1, the minimum distance between the first support portion 401 and the first opening region 501 is D1, and the minimum distance between the first support portion 401 and the second opening region 502 is D2, where D1 ≠ D2. The first direction X1 is perpendicular to the thickness direction of the display substrate 10.

[0060] Specifically, the first opening region 501 and the second opening region 502 are located on both sides of the first support portion 401, and both the first opening region 501 and the second opening region 502 are adjacent to the first support portion 401. D1 and D2 are the minimum distances, respectively, from the end of the first opening region 501 and the end of the second opening region 502 near the first support portion 401 along the first direction X1. This point can be located on the central axis of the first support portion 401 in the second direction. D1 can be greater than D2, or D1 can be less than D2. D1 ≠ D2 indicates that the central axis of the first support portion 401 and the central axis of its corresponding pixel definition portion 20 are not on the same straight line in the second direction. The second direction is perpendicular to the first direction X1 and is the thickness direction of the display substrate 10.

[0061] In the display panel of the above embodiments, since the minimum distance between the first support portion and the first opening area and the minimum distance between the first support portion and the second opening area are not equal, the angle between the light emitted from the first opening area and the plane where the light-emitting layer is located is the first angle, and the angle between the light emitted from the second opening area and the plane where the light-emitting layer is located is the second angle. Therefore, the first angle and the second angle are not equal. Furthermore, the first support portion is disposed on the pixel definition portion, which can block wide-viewing-angle light emitted from the first and second opening areas, enabling light emission differentiation between the first and second opening areas in different directions and positions, improving the differentiated privacy protection effect of the display panel, and solving the technical problem of how to improve the differentiated privacy protection effect of the display panel in the prior art.

[0062] In another specific embodiment, such as Figure 2 As shown, the aforementioned support portion 40 further includes a second support portion 402. The second support portion 402 is the support portion 40 adjacent to the first support portion 401 among the plurality of support portions 40. Along the first direction X1, the first opening region 501 is located between the first support portion 401 and the second support portion 402. The first support portion 401 and the second support portion 402 are located on both sides of the first opening region 501, and both the first support portion 401 and the second support portion 402 are adjacent to the first opening region 501. The distance between the second support portion 402 and the first opening region 501 is D3, that is, D3 is the minimum distance between the second support portion 402 and the end of the first opening region 501 closest to the second support portion 402, where D1 ≠ D3. Since the minimum distance between the first support portion 401 and the first opening area 501 is not equal to the minimum distance between the second support portion 402 and the first opening area 501, the angle between the light emitted from the first opening area 501 towards the first support portion 401 and the plane where the light-emitting layer 30 is located is the third angle, and the angle between the light emitted from the first opening area 501 towards the second support portion 402 and the plane where the light-emitting layer 30 is located is the fourth angle. Therefore, the different angles of the third and fourth angles can achieve the differentiation of the light emitted from the first opening area 501 in different directions, further improving the differentiated privacy protection effect of the display panel.

[0063] Specifically, in addition to the above Figure 1 and Figure 2 As shown in the figure, D1 can also be the minimum distance between the central axis of the first support portion 401 and the central axis of the first opening region 501 along the first direction X1, except as described above. Figure 2As shown in the diagram, D3 can also be the minimum distance between the central axis of the second support portion 402 and the central axis of the first opening region 501 along the first direction X1. D1 can be greater than D3, or D1 can be less than D3. D1 ≠ D3 indicates that, in the second direction, the central axis of the second support portion 402 and the central axis of its corresponding pixel definition portion 20 are not on the same straight line. In another specific embodiment, along the first direction X1, the second opening region 502 is located between the first support portion 401 and the second support portion 402, and the distance between the second support portion 402 and the second opening region 502 is D3, where D2 ≠ D3. Since the minimum distance between the first support portion 401 and the second opening area 502 is not equal to the minimum distance between the second support portion 402 and the second opening area 502, the angle between the light emitted from the second opening area 502 towards the first support portion 401 and the plane where the light-emitting layer 30 is located is the fifth angle, and the angle between the light emitted from the second opening area 502 towards the second support portion 402 and the plane where the light-emitting layer 30 is located is the sixth angle. Therefore, the fifth angle and the sixth angle are different, which can realize the light emission difference of the emitted light from the second opening area 502 in different directions, and further improve the differentiated privacy protection effect of the display panel.

[0064] In another specific embodiment, such as Figure 3 As shown, a support portion 40 is provided on the surface of the pixel definition portion away from the display substrate 10. Among the plurality of pixel definition portions, some pixel definition portions have support portions 40 on their surfaces away from the display substrate 10, meaning that multiple sub-pixels are located between two adjacent support portions 40 along the first direction X1, and the multiple light-emitting layers 30 have different colors. Since a sub-pixel includes the light-emitting layer 30, one light-emitting layer 30 can represent one sub-pixel, and three adjacent sub-pixels constitute a pixel unit 31. In other words, support portions 40 are provided on both sides of each pixel unit 31 along the first direction X1, which can further effectively reduce the light emitted from the pixel at a wide viewing angle, thereby further improving the differentiated privacy protection effect of the display panel.

[0065] To further enhance the differentiated privacy protection effect of the display panel, such as Figure 4 As shown, in some embodiments of this application, each of the aforementioned pixel definition portions and each of the aforementioned support portions 40 are provided in a one-to-one correspondence. That is, each pixel definition portion has a support portion 40 provided on the side away from the display substrate 10. Along the first direction X1, since the sub-pixel includes the aforementioned light-emitting layer 30, one of the aforementioned light-emitting layers 30 can represent one sub-pixel. Each sub-pixel has support portions 40 on both sides. In a unit area, the density of support portions 40 is greater, which can further effectively reduce the light emitted by the sub-pixel from a wide viewing angle, thereby further improving the differentiated privacy protection effect of the display panel.

[0066] Specifically, the specific location of the support part 40 is not limited to the above. Figure 3 and Figure 4 The positions shown can be set by those skilled in the art according to actual conditions and light output requirements, and will not be elaborated here.

[0067] In another specific embodiment, such as Figure 5 As shown, the display panel further includes: a first light-shielding layer located on the side of the support layer away from the pixel definition layer; the first light-shielding layer includes a plurality of spaced first light-shielding portions 60; the first light-shielding portions 60 at least partially cover the support portion 40; and in the first direction X1, the average width of the first light-shielding portions 60 is greater than or equal to the minimum width of the support portion 40. The first light-shielding part 60 includes a first predetermined light-shielding part 601, which can be any one of the first light-shielding parts 60. Along the first direction X1, the first opening region 501 and the second opening region 502 are located on both sides of the first predetermined light-shielding part 601 and are adjacent to it. Along the first direction X1, the minimum distance between the first predetermined light-shielding part 601 and the first opening region 501 is L1, and the minimum distance between the first predetermined light-shielding part 601 and the second opening region 502 is L2. L1 and L2 are the minimum distances from the same point of the first predetermined light-shielding part 601 to the end of the first opening region 501 near the first predetermined light-shielding part 601 and the end of the second opening region 502 near the first predetermined light-shielding part 601, respectively, in the first direction X1. This point can be located on the central axis of the first predetermined light-shielding part 601 in the second direction. L1≠L2, where L1 can be greater than or less than L2. L1≠L2 indicates that in the second direction, the central axis of the first predetermined light-shielding portion 601 is not on the same straight line as the central axis of its corresponding pixel definition portion. Specifically, the orthographic projection of the first light-shielding portion 600 onto the display substrate and the orthographic projection of the pixel definition portion onto the display substrate at least partially overlap. In the first direction X1, the average width of the first light-shielding portion 600 is less than or equal to the minimum width of the pixel definition portion. Since the minimum distance between the first predetermined light-shielding portion 601 and the first opening region 501 is not equal to the minimum distance between the first predetermined light-shielding portion 601 and the second opening region 502, the first included angle and the second included angle are not equal. By simultaneously using the first predetermined light-shielding portion 601 and the first support portion 40 as barriers against wide-angle light emitted from the first opening region 501 and the second opening region 502, light emission differentiation between the first opening region 501 and the second opening region 502 in different directions and positions can be achieved, thereby further enhancing the differentiated privacy protection effect of the display panel.

[0068] Specifically, the aforementioned first light-shielding layer can be a black matrix (BM). Generally, the BM is located on the outermost side of the display panel, i.e., the black border portion of the display device. It is used to prevent internal light from leaking out from the edge of the display panel; therefore, the width of the aforementioned first light-shielding portion should not be too narrow. Furthermore, when the colors of the sub-pixels corresponding to two adjacent light-emitting layers are different, the aforementioned first light-shielding portion can also be used to separate the light-emitting layers, enhancing the color contrast of the sub-pixels. In practical applications, the material of the aforementioned first light-shielding layer can be organic or inorganic.

[0069] To further enhance the differentiated privacy protection effect of the display panel, such as Figure 5 As shown, L1 = D1 and / or L2 = D2. That is, in the second direction, the central axis of the first predetermined light-shielding part 601 coincides with the central axis of the first support part 401. The aforementioned first predetermined light-shielding part 601 and first support part 401 simultaneously serve as barriers against wide-angle light emitted from the first opening region 501 and the second opening region 502, and the first predetermined light-shielding part 601 and first support part 401 have the same blocking effect on the light emitted from the first opening region 501 and the second opening region 502, thereby further enhancing the differentiated privacy protection effect of the display panel.

[0070] In another specific embodiment, such as Figure 6 As shown, L1≠D1 and / or L2≠D2. That is, the central axis of the first predetermined light-shielding part 601 does not coincide with the central axis of the first support part 401 in the second direction. The aforementioned first predetermined light-shielding part 601 and first support part 401 simultaneously serve as barriers against wide-angle light rays emitted from the first opening region 501 and the second opening region 502. Furthermore, the blocking effects of the first predetermined light-shielding part 601 and the first support part 401 on the light emitted from the first opening region 501 and the second opening region 502 are different, further enabling the use of various different light emission requirements and thereby further enhancing the diversity of differentiated privacy protection effects of the display panel.

[0071] Specifically, L1 can be greater than D1, or L1 can be less than D1. L2 can be greater than D2, or L2 can be less than D2. Furthermore, the sum of L1 and L2 and the sum of D1 and D2 constitute the width of the corresponding pixel definition portion in the first direction.

[0072] In another specific embodiment, such as Figure 7As shown, the first light-shielding part 60 further includes a second predetermined light-shielding part 602. The second predetermined light-shielding part 602 is a support part 40 adjacent to the first predetermined light-shielding part 601 among the plurality of first light-shielding parts 60. Along the first direction X1, the first opening region 501 is located between the first predetermined light-shielding part 601 and the second predetermined light-shielding part 602. The first predetermined light-shielding part 601 and the second predetermined light-shielding part 602 are located on both sides of the first opening region 501, and both are adjacent to the first opening region 501. The distance between the second predetermined light-shielding part 602 and the first opening region 501 is L3, meaning L3 is the minimum distance between the second predetermined light-shielding part 602 and the end of the first opening region 501 closest to the second predetermined light-shielding part 602, and L1 ≠ L3. Since the minimum distance between the first predetermined light-shielding part 601 and the first opening area 501 and the minimum distance between the second predetermined light-shielding part 602 and the first opening area 501 are not equal, the angle between the light emitted from the first opening area 501 towards the first predetermined light-shielding part 601 and the plane where the light-emitting layer 30 is located is the seventh angle, and the angle between the light emitted from the first opening area 501 towards the second predetermined light-shielding part 602 and the plane where the light-emitting layer 30 is located is the eighth angle. Therefore, the seventh angle and the eighth angle are different, which can realize the light emission difference of the emitted light from the first opening area 501 in different directions, and further improve the differentiated privacy protection effect of the display panel.

[0073] Specifically, in addition to the above Figure 5 and Figure 6 The L1 shown above can also be the minimum distance between the central axis of the first predetermined light-shielding portion 601 and the central axis of the first opening region 501 along the first direction X1, except as described above. Figure 7 The L3 shown can also be the minimum distance between the central axis of the second predetermined light-shielding portion 602 and the central axis of the first opening region 501 along the first direction X1. L1 can be greater than L3, or L1 can be less than L3. L1 ≠ L3 indicates that, in the second direction, the central axis of the second predetermined light-shielding portion 602 and the central axis of its corresponding pixel definition portion are not on the same straight line.

[0074] In another specific embodiment, such as Figure 7 As shown, the orthographic projection of the first light-shielding portion 60 on the display substrate overlaps the orthographic projection of the support portion 40 on the display panel. That is, the maximum width of the first light-shielding portion 60 is greater than the maximum width of the support portion 40. In practical applications, the actual light emission from the display panel depends more on the blocking effect of the first light-shielding layer, with the support layer playing a supporting role. Therefore, the above arrangement can further enhance the light-shielding effect of the first light-shielding layer, thereby further improving the differentiated privacy protection effect of the display panel.

[0075] To further improve the stability of the display panel, such as Figures 5 to 7 As shown, the display panel further includes an encapsulation layer 70, located between the first light-shielding layer and the support layer. The encapsulation layer 70 can block the intrusion of water and oxygen into the light-emitting layer, improve the encapsulation effect of the display panel, protect the light-emitting layer 30 from corrosion, and thus further extend the life of the display panel.

[0076] In practical applications, the encapsulation layer can be a single-layer structure or a multi-layer structure. The material of the encapsulation layer can be organic or inorganic. In a specific embodiment, the encapsulation layer can be composed of alternating layers of organic and inorganic materials, thereby improving the encapsulation effect.

[0077] In another specific embodiment, such as Figure 8 As shown, the display panel further includes: a first organic layer 71, located on the side of the support layer away from the display substrate 10; the first organic layer 71 fills the opening regions 50 between adjacent pixel defining portions 20 and between adjacent support portions 40, and the first organic layer 71 is also located on the surface of the support portion 40 away from the pixel defining portion 20, that is, the maximum thickness of the first organic layer 71 is greater than the sum of the maximum thickness of the pixel defining portion 20 and the maximum thickness of the support portion 40. A second organic layer 72 is located on the side of the first organic layer 71 away from the light-emitting layer 30, and the materials of the first organic layer 71 and the second organic layer 72 are different. The refractive index of the second organic layer 72 is greater than the refractive index of the first organic layer 71. Therefore, during the process of light emitted from the light-emitting layer 30 entering the second organic layer 72 from the first organic layer 71, the refraction angle becomes smaller, further improving the light-gathering effect. At the same time, since D1≠D2, the angle of light reaching the interface between the first organic layer 71 and the second organic layer 72 is different, and after being refracted by the second organic layer 72, the angle of the emitted light is also different. It can achieve light emission differentiation in different directions of the emitted light from the opening area 50, further enhancing the differentiated privacy protection effect of the display panel.

[0078] Specifically, the materials of the first and second organic layers can be one or more of epoxy resin, acrylic resin, polycarbonate, silicone rubber, polyurethane, and polyimide. Those skilled in the art can select the appropriate material based on actual needs, which will not be elaborated here.

[0079] like Figures 8 to 16As shown, the minimum distances from the two ends of the second organic layer 72 to the center of the sub-pixel are different. Since K1≠K2, the angles at which the light emitted from the sub-pixel reaches the two ends of the second organic layer 72 are also different. This allows for differentiation in the light emitted from the opening region 50 in different directions, further enhancing the differentiated privacy protection effect of the display panel. It should be noted that the specific positions of the pixel defining part 20 and the support part 40 are different from those of the sub-pixel. Figure 1 The similarities in [the text] will not be repeated here.

[0080] Specifically, Figures 8 to 16 As shown, the central axis of the second organic layer 72 along the second direction is not on the same straight line as the central axis of the light-emitting layer 30. The minimum distance between the first end of the second organic layer 72 and the center of the sub-pixel is K1, and the minimum distance between the second end of the second organic layer 72 and the center of the sub-pixel is K2. K1 ≠ K2, and K1 can be greater than K2 or less than K2.

[0081] In another specific embodiment, such as Figures 8 to 16 As shown, the first organic layer 71 includes multiple spaced openings. In practical applications, due to the thickness of the support layer being much greater than the thickness of the pixel definition layer and the leveling properties of the organic material, the first organic layer openings will be formed at positions corresponding to the opening regions 50 during the deposition of the first organic layer 71. The average thickness of the first organic layer openings is related to the average thickness of the sub-pixels, the average thickness of the pixel definition layer, and the average thickness of the support layer. The orthographic projection of the first organic layer openings on the display substrate overlaps with the orthographic projection of the opening regions 50 on the display substrate. In practical applications, the orthographic projections of the first organic layer openings and the opening regions 50 on the display substrate may partially overlap or completely overlap. Furthermore, the second organic layer 72 is located within the first organic layer openings, and the surface of the second organic layer 72 away from the first organic layer 71 is flush with the top of the first organic layer openings.

[0082] Specifically, this application does not limit the specific shape of the opening in the first organic layer. The bottom shape of the opening in the first organic layer can be a straight line or a curve.

[0083] In another specific embodiment, such as Figure 9As shown, the surface of the first organic layer 71 with its opening facing the display substrate 10 is concave, and the bottom of the opening of the first organic layer 71 protrudes towards the display substrate 10. Furthermore, the distance from the bottom of the opening of the first organic layer 71 to the display substrate 10 is less than the distance from the edge of the opening of the first organic layer 71 to the display substrate 10. The surface of the second organic layer 72 near the display substrate 10 is convex. The surface of the second organic layer 72 near the display substrate 10 protrudes towards the display substrate 10. Because the first organic layer 71 and the second organic layer 72 form a corresponding concave-convex structure, the second organic layer 72 can form a semi-convex lens, reducing the refraction angle of the light-emitting layer and further improving the light-gathering effect.

[0084] Specifically, the concave surface of the first organic layer and the convex surface of the second organic layer can be fully fitted or partially fitted. When the concave surface of the first organic layer and the convex surface of the second organic layer are fully fitted, optical loss during the transmission of light from the first organic layer to the second organic layer can be reduced.

[0085] In another specific embodiment, such as Figure 10 and Figure 11 As shown, the display panel further includes a third organic layer 73, located on a portion of the surface of the second organic layer 72 away from the first organic layer 71. The materials of the third organic layer 73 and the second organic layer 72 are different. The refractive index of the third organic layer 73 is greater than that of the second organic layer 72. Therefore, as light enters the third organic layer 73 from the second organic layer 72, the refraction angle decreases, further enhancing the light-gathering effect. Simultaneously, since D1≠D2, the angles of light reaching the interface between the first organic layer 71 and the second organic layer 72 are different. After refraction by the second organic layer 72 and the third organic layer 73, the angles of the emitted light are also different. This allows for differentiation in the emitted light from the opening area 50 in different directions, further enhancing the differentiated privacy protection effect of the display panel.

[0086] Specifically, the material of the aforementioned third organic layer can be one or more of epoxy resin, acrylic resin, polycarbonate, silicone rubber, polyurethane, and polyimide. Those skilled in the art can select the appropriate material based on actual needs, which will not be elaborated here.

[0087] In another specific embodiment, such as Figure 10 and Figure 11The orthographic projection of the third organic layer 73 on the display substrate 10 at least partially overlaps with the orthographic projection of the sub-pixel on the display substrate 10. This arrangement ensures that at least a portion of the light emitted from the sub-pixel can be refracted sequentially through the first organic layer 71, the second organic layer 72, and the third organic layer 73, thereby adjusting the refraction angle. Furthermore, after refraction through the first organic layer 71, the second organic layer 72, and the third organic layer 73, the angles of the emitted light are also different. This allows for differentiation in the emitted light from the opening region 50 in different directions, further enhancing the differentiated privacy protection effect of the display panel.

[0088] In another specific embodiment, the orthographic projection of the third organic layer 73 on the display substrate 10 completely overlaps with the orthographic projection of the sub-pixel on the display substrate 10, or the orthographic projection of the third organic layer 73 on the display substrate 10 completely overlaps with the orthographic projection of the second organic layer 72 on the display substrate 10.

[0089] In another specific embodiment, such as Figure 12 As shown, the third organic layer 73 includes a first organic portion 731 and a second organic portion 732, which are made of different materials. The orthographic projection of the first organic portion 731 onto the display substrate 10 at least partially overlaps with the orthographic projection of the sub-pixel onto the display substrate 10. This arrangement ensures that at least a portion of the light emitted by the sub-pixel can be refracted sequentially through the first organic layer 71, the second organic layer 72, and the first organic portion 731, thereby adjusting the refraction angle. Similarly, the orthographic projection of the second organic portion 732 onto the display substrate 10 at least partially overlaps with the orthographic projection of the sub-pixel onto the display substrate 10. This arrangement ensures that at least a portion of the light emitted by the sub-pixel can be refracted sequentially through the first organic layer 71, the second organic layer 72, and the second organic portion 732, thereby adjusting the refraction angle. The orthographic projection of the first organic component 731 on the display substrate 10 does not overlap with the orthographic projection of the second organic component 732 on the display substrate 10, and the refractive index of the first organic component 731 is less than that of the second organic component 732. This arrangement reduces the refraction angle of wide-viewing-angle light emitted to the first organic component 731 and the wide-viewing-angle refraction angle of light emitted to the second organic component 732. Furthermore, since the refractive index of the first organic component 731 is less than that of the second organic component 732, the angle reduction for the second organic component 732 is greater, allowing the angle of light emitted from the second organic component 732 to be greater than that from the first organic component 731. Therefore, the angles of the emitted light are not the same. This allows for differentiation in the light emitted from the opening area 50 in different directions, further enhancing the differentiated privacy protection effect of the display panel.

[0090] Specifically, the first organic part 731 and the second organic part 732 can be respectively disposed on both sides of the central axis of the light-emitting layer 30. In another specific embodiment, such as Figure 13 As shown, the third organic layer 73 only includes the first organic part 731. (As...) Figure 14 As shown, the third organic layer 73 only includes the second organic portion 732. When the third organic layer 73 only includes one of the first organic portion 731 and the second organic portion 732, the manufacturing process can be further reduced, thereby further reducing the manufacturing cost of the display panel.

[0091] In some other embodiments, such as Figure 12 As shown, the surface of the first organic part 731 away from the second organic layer 72 is convex. Therefore, the first organic part 731 can form a semi-convex lens, and the second organic layer 72 can also form a semi-convex lens. The first organic part 731 and the second organic layer 72 together form a convex lens. The surface of the second organic part 732 away from the second organic layer 72 is convex. Therefore, the second organic part 732 can form a semi-convex lens, and the second organic layer 72 can also form a semi-convex lens. The second organic part 732 and the second organic layer 72 together form a convex lens. The convex lens formed by the combination of the first organic part 731 and the second organic layer 72 can refract light rays that pass through the first organic layer 71, the second organic layer 72, and the first organic part 731 in sequence. The convex lens formed by the combination of the second organic part 732 and the second organic layer 72 can refract light rays that pass through the first organic layer 71, the second organic layer 72, and the second organic part 732 in sequence. These two convex lens structures can further improve the light-gathering effect.

[0092] Specifically, the surface of the first organic part away from the second organic layer is convex, meaning that the surface of the first organic part away from the second organic layer protrudes towards the side away from the display substrate. Similarly, the surface of the second organic part away from the second organic layer is convex, meaning that the surface of the second organic part away from the second organic layer protrudes towards the side away from the display substrate.

[0093] In some other embodiments, such as Figure 15As shown, the display panel further includes a fourth organic layer 74, located on the side of the third organic layer 73 away from the second organic layer 72. The fourth organic layer 74 is located on the surface of the first organic layer 71 away from the display substrate 10 and on the surface of the third organic layer 73 away from the display substrate 10. The fourth organic layer 74 further ensures that the light emitted from the sub-pixels can be refracted sequentially through the first organic layer 71, the second organic layer 72, the third organic layer 73, and the fourth organic layer 74, thereby adjusting the refraction angle. Furthermore, after refraction through the first organic layer 71, the second organic layer 72, the third organic layer 73, and the fourth organic layer 74, the angles of the emitted light are also different. A portion of the upward-facing, wide-angle light is extracted and emitted at an angle nearly perpendicular to the panel, while another portion of the downward-facing, wide-angle light is extracted and emitted at a large angle. This allows for differentiation in the emitted light from the opening area in different directions, further enhancing the differentiated privacy protection effect of the display panel.

[0094] Specifically, the material of the fourth organic layer can be one or more of epoxy resin, acrylic resin, polycarbonate, silicone rubber, polyurethane, and polyimide. Those skilled in the art can select the appropriate material based on actual needs, which will not be elaborated here. Furthermore, the refractive index of the fourth organic layer can be located between the refractive indices of the first and second organic portions; that is, the refractive index of the fourth organic layer is greater than that of the first organic portion and less than that of the second organic portion.

[0095] In some embodiments, such as Figure 16 As shown, the display panel further includes a second light-shielding layer located between the fourth organic layer 74 and the first organic layer 71. The second light-shielding layer includes a plurality of spaced-apart second light-shielding portions 80, one of which is correspondingly disposed on the surface of a support portion 40 away from the display substrate 10. Each second light-shielding portion 80 at least partially covers the support portion 40. In the first direction X1, the average width of the second light-shielding portion 80 is greater than or equal to the minimum width of the support portion 40. At least a portion of the second light-shielding portion 80 differs from the minimum distance between two adjacent opening regions 50, wherein the orthographic projection of the second light-shielding portion 80 on the display substrate 10 and the orthographic projection of the pixel definition portion 20 on the display substrate 10 at least partially overlap. In the first direction X1, the average width of the second light-shielding portion 80 is less than or equal to the minimum width of the pixel definition portion 20. By reducing the refraction angle of the emitted light through the first organic layer 71 and the second organic layer 72, and by using the second light-shielding layer as a barrier against the wide-angle light emitted from the opening area 50, the light emission from the opening area 50 can be differentiated in different directions and positions, thereby further enhancing the differentiated privacy protection effect of the display panel.

[0096] Specifically, the second light-shielding layer can be a black matrix (BM). Generally, the BM is located on the outermost side of the display panel, i.e., the black border portion of the display device. It is used to prevent internal light from leaking out from the edge of the display panel; therefore, the width of the aforementioned second light-shielding portion should not be too narrow. Furthermore, when the colors of the sub-pixels corresponding to two adjacent light-emitting layers are different, the aforementioned second light-shielding portion can also be used to separate the light-emitting layers, enhancing the color contrast of the sub-pixels. In practical applications, the material of the aforementioned second light-shielding layer can be organic or inorganic.

[0097] In another typical embodiment of this application, such as Figure 17 As shown, a display device is provided, including any of the above-described display panels 100. The specific structure of the display panel 100 has been described in detail in the above embodiments and will not be repeated here. Of course, Figure 17 The display device shown is for illustrative purposes only; the display device may be as follows: Figure 17 The in-vehicle display device shown can also be any electronic device with display function, such as a mobile phone, tablet computer, laptop computer, e-reader or television.

[0098] Since the display device provided in the embodiments of the application includes the aforementioned display panel, when using this display device, because the minimum distance between the first support portion and the first opening area and the minimum distance between the first support portion and the second opening area are not equal, the angle between the light emitted from the first opening area and the plane where the light-emitting layer is located is the first angle, and the angle between the light emitted from the second opening area and the plane where the light-emitting layer is located is the second angle. Therefore, the aforementioned first angle and second angle are not equal. Furthermore, since the first support portion is disposed on the pixel definition portion, it can block the wide-viewing-angle light emitted from the first opening area and the second opening area, thereby achieving light emission differentiation between the first opening area and the second opening area in different directions and positions, improving the differentiated privacy protection effect of the display panel, and solving the technical problem of how to improve the differentiated privacy protection effect of the display panel in the prior art.

[0099] In this application's display panel, because the minimum distance between the first support portion and the first opening area and the minimum distance between the first support portion and the second opening area are not equal, the angle between the light emitted from the first opening area and the plane where the light-emitting layer is located is a first angle, and the angle between the light emitted from the second opening area and the plane where the light-emitting layer is located is a second angle. Therefore, the aforementioned first angle and second angle are not equal. Furthermore, the first support portion is disposed on the pixel defining portion, which can block wide-viewing-angle light emitted from the first and second opening areas, enabling light emission differentiation between the first and second opening areas in different directions and positions, improving the differentiated privacy protection effect of the display panel, and solving the technical problem of how to improve the differentiated privacy protection effect of the display panel in the prior art.

[0100] The display device of this application includes a display panel. In the display panel, because the minimum distance between the first support portion and the first opening area and the minimum distance between the first support portion and the second opening area are not equal, the angle between the light emitted from the first opening area and the plane containing the light-emitting layer is a first angle, and the angle between the light emitted from the second opening area and the plane containing the light-emitting layer is a second angle. Therefore, the first angle and the second angle are not equal. Furthermore, the first support portion is disposed on the pixel definition portion, which can block wide-viewing-angle light emitted from the first and second opening areas. This allows for light emission differentiation between the first and second opening areas in different directions and positions, improving the differentiated privacy protection effect of the display panel and solving the technical problem of how to improve the differentiated privacy protection effect of the display panel in the prior art.

[0101] The above description is merely an optional embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A display panel, characterized in that, include: Display substrate; A pixel definition layer is located on one side of the display substrate. The pixel definition layer includes a plurality of pixel definition portions, and an opening region is provided between two adjacent pixel definition portions. Multiple sub-pixels, each sub-pixel including a light-emitting layer, the light-emitting layer being at least partially located within the opening region; A support layer is located on the side of the light-emitting layer away from the display substrate. The support layer includes a plurality of support portions, which are located on the side of the pixel definition portion away from the display substrate. The support portion includes a first support portion. Along a first direction, the opening region includes a first opening region adjacent to the first support portion and a second opening region adjacent to the first support portion. Along the first direction, the minimum distance between the first support portion and the first opening region is D1, and the minimum distance between the first support portion and the second opening region is D2, where D1 ≠ D2. The first direction is perpendicular to the thickness direction of the display substrate. The display panel further includes: The first organic layer is located on the side of the support layer away from the display substrate; The second organic layer is located on the side of the first organic layer away from the light-emitting layer. The refractive index of the second organic layer is greater than that of the first organic layer. The minimum distances from the two ends of the second organic layer to the center of the sub-pixel are different.

2. The display panel according to claim 1, characterized in that, The support portion further includes a second support portion. Along the first direction, the first opening region is located between the first support portion and the second support portion, and the distance between the second support portion and the first opening region is D3, where D1≠D3.

3. The display panel according to claim 1, characterized in that, The support portion is disposed on the surface of the pixel definition portion away from the display substrate.

4. The display panel according to claim 1, characterized in that, Each pixel definition part is provided in a one-to-one correspondence with each support part.

5. The display panel according to claim 1, characterized in that, The display panel also includes: A first light-shielding layer is located on the side of the support layer away from the pixel definition layer. The first light-shielding layer includes a plurality of spaced first light-shielding portions, each of which at least partially covers the support layer. Each of the first light-shielding portions includes a first predetermined light-shielding portion. Along the first direction, the first opening region and the second opening region are located on both sides of the first predetermined light-shielding part and are adjacent to the first predetermined light-shielding part. Along the first direction, the minimum distance between the first predetermined light-shielding part and the first opening region is L1, and the minimum distance between the first predetermined light-shielding part and the second opening region is L2, where L1 ≠ L2. The orthographic projection of the first light-shielding part on the display substrate and the orthographic projection of the pixel definition part on the display substrate at least partially overlap.

6. The display panel according to claim 5, characterized in that, L1=D1 and / or L2=D2.

7. The display panel according to claim 5, characterized in that, L1≠D1 and / or L2≠D2.

8. The display panel according to claim 5, characterized in that, The first light-shielding part further includes a second predetermined light-shielding part. Along the first direction, the first opening area is located between the first predetermined light-shielding part and the second predetermined light-shielding part, and the distance between the second predetermined light-shielding part and the first opening area is L3, where L1 ≠ L3.

9. The display panel according to claim 5, characterized in that, The orthographic projection of the first light-shielding part on the display substrate covers the orthographic projection of the supporting part on the display panel.

10. The display panel according to claim 5, characterized in that, The display panel also includes: An encapsulation layer is located between the first light-shielding layer and the support layer.

11. The display panel according to claim 1, characterized in that, The first organic layer includes a plurality of spaced first organic layer openings, the orthographic projection of the first organic layer openings on the display substrate overlaps with the orthographic projection of the opening region on the display substrate.

12. The display panel according to claim 11, characterized in that, The surface of the first organic layer with its opening facing the display substrate is concave, and the surface of the second organic layer near the display substrate is convex.

13. The display panel according to claim 1, characterized in that, The display panel also includes: A third organic layer is located on a portion of the surface of the second organic layer on the side away from the first organic layer, and the refractive index of the third organic layer is greater than that of the second organic layer.

14. The display panel according to claim 13, characterized in that, The orthographic projection of the third organic layer on the display substrate at least partially overlaps with the orthographic projection of the sub-pixel on the display substrate.

15. The display panel according to claim 13, characterized in that, The third organic layer includes a first organic portion and a second organic portion. The orthographic projection of the first organic portion on the display substrate at least partially overlaps with the orthographic projection of the sub-pixel on the display substrate. The orthographic projection of the second organic portion on the display substrate at least partially overlaps with the orthographic projection of the sub-pixel on the display substrate. The orthographic projections of the first organic portion and the second organic portion on the display substrate do not overlap. The refractive index of the first organic portion is less than the refractive index of the second organic portion.

16. The display panel according to claim 15, characterized in that, The surface of the first organic part away from the second organic layer is convex, and the surface of the second organic part away from the second organic layer is also convex.

17. The display panel according to claim 13, characterized in that, The display panel also includes: The fourth organic layer is located on the side of the third organic layer away from the second organic layer.

18. The display panel according to claim 17, characterized in that, The display panel also includes: The second light-shielding layer is located between the fourth organic layer and the first organic layer. The second light-shielding layer includes a plurality of spaced second light-shielding portions. One of the second light-shielding portions is correspondingly disposed on the surface of the support portion away from the display substrate. At least a portion of the second light-shielding portion has a different minimum distance from two adjacent opening regions. The orthographic projection of the second light-shielding portion on the display substrate and the orthographic projection of the pixel definition portion on the display substrate at least partially overlap.

19. A display device, characterized in that, Includes the display panel as described in any one of claims 1 to 18.

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