Display panel and display device
By adjusting the encapsulation layer thickness and the privacy shutter width in an organic light-emitting diode (OLED) display, the problem of poor privacy protection at the display edge area was solved, resulting in a more uniform privacy protection effect and brightness, and reducing the risk of color shift.
Patent Information
- Application Number
- CN202611340313.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-27
- Publication Date
- 2026-11-03
AI Technical Summary
In the manufacturing process of existing organic light-emitting diode (OLED) displays, due to the influence of the packaging process, the height of the top black matrix layer in the display edge area is relatively low, resulting in poor privacy protection and high brightness, which affects both privacy protection and display performance.
In the display panel, the thickness of the encapsulation layer is set to decrease from the center area to the edge area, and the width of the privacy opening is adjusted to adjust the light emission angle and lateral brightness difference. This ensures that the width of the privacy opening in the edge area is smaller than that in the center area, and a privacy opening design with the same width is used to reduce the risk of color deviation.
By adjusting the encapsulation layer thickness and the privacy opening width, the difference in the emission angle and lateral brightness of the privacy pixels in the edge and center areas is reduced, improving the uniformity of the privacy effect and the consistency of the display effect, and reducing the risk of color deviation.
Smart Images

Figure CN123035838A_ABST
Abstract
Description
[0001] This application is a divisional application. The original application has the application number 202610566829.0 and the original application date is April 27, 2026. The entire contents of the original application are incorporated herein by reference. Technical Field
[0002] This application relates to the field of display technology, and more particularly to a display panel and display device. Background Technology
[0003] The active privacy protection design principle of organic light-emitting diode (OLED) displays is as follows: when designing pixels, light-emitting pixels are divided into privacy pixels and shared pixels. The privacy pixels adopt a unique design that makes their brightness decay very quickly at wide viewing angles.
[0004] Specifically, a dual-layer black matrix is used to achieve differentiated light blocking. The bottom black matrix layer determines the light output of the shared pixels, while in the privacy area, a padding layer and a top black matrix layer are added above the bottom black matrix layer. The padding layer raises the top black matrix layer, thus blocking the light output of the privacy pixels at small angles, while the light output at large angles is blocked by the bottom black matrix layer. This allows the brightness attenuation of the privacy pixels to decrease rapidly as the viewing angle increases, achieving the privacy effect.
[0005] However, due to the limitations of existing encapsulation processes, the thickness of the organic encapsulation layer located at the display edge is less than that located at the display center. This results in the top black matrix layer at the display edge being lower than that at the display center. Because the top black matrix layer at the display edge is lower, when observing the privacy pixel at a certain angle, the privacy effect at the display center is better and the brightness is lower, while the privacy effect at the display edge is worse and the brightness is higher. This manifests as poor privacy effect and higher brightness at the display edge, affecting both the privacy effect and the display performance. Summary of the Invention
[0006] This application provides a display panel and display device to at least partially improve the above-mentioned technical problems.
[0007] To achieve the above objectives, according to a first aspect of this application, a display panel is provided, comprising: The light-emitting pixel layer includes a privacy pixel, wherein the privacy pixel includes a plurality of privacy sub-pixels; An encapsulation layer covers the light-emitting side of the light-emitting pixel layer; A first light-shielding layer is disposed on the side of the encapsulation layer away from the light-emitting pixel layer, and the first light-shielding layer is configured to block part of the emitted light from the privacy sub-pixel; A spacer layer covers the side of the first light-shielding layer away from the light-emitting pixel layer; A second light-shielding layer is disposed on the side surface of the spacer layer away from the light-emitting pixel layer. The second light-shielding layer is provided with a plurality of privacy openings, and each privacy sub-pixel corresponds to one privacy opening. All privacy openings located in the same privacy pixel have the same width. The display panel includes a central display area and an edge display area, with the edge display area located around the central display area. The encapsulation layer includes a first portion and a second portion, the first portion being at least located in the central display area, and the second portion being located in the edge display area. The thickness of the second portion is less than the thickness of the first portion, and the width of the privacy opening on the second portion is less than the width of the privacy opening on the first portion; or, The surface of the spacer layer near the second light-shielding layer includes a flat surface and a curved surface. The flat surface is located at least in the central display area, and the curved surface is located in the edge display area. The height of the curved surface to the surface of the encapsulation layer away from the light-emitting pixel layer is less than the height of the flat surface to the surface of the encapsulation layer away from the light-emitting pixel layer. The width of the privacy opening on the curved surface is less than the width of the privacy opening on the flat surface.
[0008] Optionally, in some embodiments of this application, the thickness of the lower film layer of the second light-shielding layer decreases in the direction from the central display area to the non-display area of the display panel, and the width of the privacy opening located in the edge display area decreases.
[0009] Optionally, in some embodiments of this application, the display panel includes a pixel definition layer, the pixel definition layer is provided with a first pixel opening, and the privacy sub-pixel is disposed within the first pixel opening; In the edge display area viewed from above, the sidewall of the privacy opening with the smallest width among all the privacy openings is flush with the sidewall of the first pixel opening.
[0010] Optionally, in some embodiments of this application, the display panel includes a pixel definition layer, the pixel definition layer is provided with a first pixel opening, and the privacy sub-pixel is disposed within the first pixel opening; In the edge display area viewed from above, the sidewall of the privacy opening near the center display area is located outside the first pixel opening, while the sidewall of the privacy opening away from the center display area is located inside the first pixel opening.
[0011] Optionally, in some embodiments of this application, the display panel includes a pixel definition layer, the pixel definition layer is provided with a first pixel opening, and the privacy sub-pixel is disposed within the first pixel opening; In the thickness direction of the display panel, the height from the surface of the spacer layer away from the light-emitting pixel layer to the surface of the encapsulation layer away from the light-emitting pixel layer gradually decreases along the direction from the center display area to the edge display area; In the central display area, the height from the surface of the spacer layer away from the light-emitting pixel layer to the surface of the encapsulation layer away from the light-emitting pixel layer is a first height; in the edge display area, the height from the surface of the spacer layer away from the light-emitting pixel layer to the surface of the encapsulation layer away from the light-emitting pixel layer is a second height, and the second height is less than the first height. The difference between the first height and the second height has a first set range, which is between 2.5 micrometers and 2.9 micrometers. The edge display area is located in the area of the first set range, and the sidewall of the privacy opening is flush with the sidewall of the first pixel opening.
[0012] Optionally, in some embodiments of this application, the difference between the first height and the second height has a second set range, the second set range is greater than the maximum value of the first set range, the edge display area is located in the area of the second set range, and the sidewall of the privacy opening is flush with the sidewall of the first pixel opening.
[0013] Optionally, in some embodiments of this application, the difference between the first height and the second height has a second set range, the second set range is greater than the maximum value of the first set range, the edge display area is located in the area of the second set range, the sidewall of the privacy opening is located inside the first pixel opening, and the width of the privacy opening is less than the width of the first pixel opening.
[0014] Optionally, in some embodiments of this application, the first light-shielding layer is provided with a plurality of first openings, and in the thickness direction of the display panel, one first opening is aligned with one of the privacy openings; in the direction from the central display area to the non-display area of the display panel, the width of the first opening located in the edge display area decreases. In the direction from the central display area toward the non-display area of the display panel, in the aligned first opening and the privacy opening, the width of the first opening decreases by the same amount as the width of the privacy opening.
[0015] Optionally, in some embodiments of this application, the light-emitting pixel layer includes a shared pixel, the shared pixel includes a plurality of shared sub-pixels, the first light-shielding layer is provided with a plurality of second openings, and in the thickness direction of the display panel, one second opening corresponds to one of the shared sub-pixels; The width of the second opening located in the edge display area decreases in the direction from the central display area toward the non-display area of the display panel.
[0016] Optionally, in some embodiments of this application, the second light-shielding layer includes a plurality of privacy shields, the plurality of privacy shields being arranged at intervals along a first direction and extending along a second direction intersecting the first direction. In the display panel from a top-view perspective, in the first direction, a privacy shield sub-pixel is disposed between two adjacent privacy shields, and the side of two adjacent privacy shields near the privacy shield sub-pixel defines a sidewall of the privacy opening. The width of the privacy screen located in the edge display area increases in the direction from the center display area toward the non-display area of the display panel.
[0017] Optionally, in some embodiments of this application, the first light-shielding layer is provided with a plurality of first openings. In the thickness direction of the display panel, one first opening is aligned with one of the privacy openings. The first light-shielding layer includes a plurality of first light-shielding portions. The plurality of first light-shielding portions are arranged at intervals along the first direction and extend along the second direction. In the first direction, the side of two adjacent first light-shielding portions near the privacy sub-pixel defines the sidewall of the first opening. In the edge display area viewed from above, a privacy screen overlaps with a first light-shielding part. In the overlapping privacy screen and the first light-shielding part, the distance from the edge of the privacy screen away from the privacy sub-pixel to the edge of the first light-shielding part near the privacy sub-pixel is between 5.7 micrometers and 8.7 micrometers.
[0018] Optionally, in some embodiments of this application, in the display panel at a 30-degree viewing angle, the privacy pixel located in the central display area has a first luminous brightness, and the privacy pixel located in the edge display area has a second luminous brightness, wherein the second luminous brightness is between 80% and 120% of the first luminous brightness; In the display panel at a 45-degree viewing angle, the privacy pixel located in the central display area has a third luminous intensity, and the privacy pixel located in the edge display area has a fourth luminous intensity, the fourth luminous intensity being between 90% and 150% of the third luminous intensity.
[0019] Optionally, in some embodiments of this application, the edge display area includes a first edge area, a second edge area, a third edge area, a fourth edge area, a corner transition area, and an opening edge area; the first edge area and the third edge area extend along a first direction, and the second edge area and the fourth edge area extend along a second direction intersecting the first direction; The display panel has an opening area configured to transmit ambient light. An edge area surrounds the periphery of the opening area, and a central display area surrounds the periphery of the edge area. In the first direction, the second edge area is located on one side of the central display area, and the fourth edge area is located on the other side of the central display area. In the second direction, the first edge area is located at one end of the central display area, and the third edge area is located at the other end of the central display area. The first edge area and the second edge area, the second edge area and the third edge area, the third edge area and the fourth edge area, and the fourth edge area and the first edge area are all connected by a corner transition area. The widths of the first edge region, the second edge region, the third edge, the corner transition region, and the opening edge region are different.
[0020] Optionally, in some embodiments of this application, the edges of the second edge region, the fourth edge region, and the corner transition region each have a first number of pixels between the edge and the boundary of the central display region, the first number being between 1 and 30; the edges of the first edge region and the third edge region each have a second number of pixels between the edge and the boundary of the central display region, the second number being between 1 and 40; and the edge of the aperture edge region has a third number of pixels between the edge and the boundary of the central display region, the third number being between 1 and 20.
[0021] According to a second aspect of this application, a display device is provided, which includes a display panel as described in any of the above embodiments.
[0022] In the display panel and display device of this application embodiment, the light-emitting pixel layer includes a privacy pixel, the privacy pixel includes a plurality of privacy sub-pixels, an encapsulation layer covers the light-emitting side of the light-emitting pixel layer, a first light-shielding layer is disposed on the side of the encapsulation layer away from the light-emitting pixel layer, a spacer layer covers the side of the first light-shielding layer away from the light-emitting pixel layer; a second light-shielding layer is disposed on the surface of the spacer layer away from the light-emitting pixel layer, the second light-shielding layer is provided with a plurality of privacy openings, each privacy sub-pixel corresponds to one privacy opening. All privacy openings in the same privacy pixel have the same width. The display area of the display panel includes a central display area and an edge display area, the edge display area being disposed around the periphery of the central display area; The encapsulation layer includes a first portion and a second portion, the first portion being at least located in the central display area, the second portion being located in the edge display area, the thickness of the second portion being different from the thickness of the first portion, and the width of the privacy opening provided on the second portion being different from the width of the privacy opening provided on the first portion.
[0023] It is understood that the display panel and display device of this application embodiment are configured with a privacy opening of a corresponding width according to the thickness of the film layer below the privacy opening. For example, if the thickness of the film layer below the privacy opening is thin, the width of the privacy opening is reduced accordingly, so as to reduce the light emission angle and lateral light emission brightness. In the privacy mode, the difference in light emission angle and lateral light emission brightness between the privacy sub-pixels in the edge display area and the center display area is reduced.
[0024] Secondly, the width of the privacy openings located in the same privacy pixel is set to be the same to reduce the risk of color shift in privacy mode.
[0025] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0027] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.
[0028] Figure 1 This is a planar top view of the display panel provided in an exemplary embodiment of this disclosure; Figure 2 This is a cross-sectional structural diagram of the display panel provided in an exemplary embodiment of this disclosure; Figure 3 This is a partial cross-sectional view of the edge display area and the center display area in the display panel provided in an exemplary embodiment of this disclosure; Figure 4 This is a partial planar structural diagram of the edge display area and the center display area in the display panel provided in an exemplary embodiment of this disclosure; Figure 5 This is a schematic diagram of another partial structure of the edge display area and the center display area in the display panel provided in the exemplary embodiment of this disclosure; Figure 6a This refers to the 30-degree viewing angle brightness curve area of the privacy pixel in the second edge region of the display panel of the comparative examples, embodiment 1 and embodiment 2 provided in this disclosure; Figure 6b This refers to the 45-degree viewing angle brightness curve area of the privacy pixel in the second edge region of the display panel of the comparative examples, embodiment 1 and embodiment 2 provided in this disclosure; Figure 7 This is a schematic diagram of the structure of a display device provided in an exemplary embodiment of this disclosure.
[0029] Explanation of reference numerals in the attached figures: Display panel 100; First direction F1; Second direction F2; Display area DA; Non-display area NDA; Center display area A1; Edge display area A2; First edge area A21; Second edge area A22; Third edge area A23; Fourth edge area A24; Corner transition area A25; Opening edge area A26; Opening area KK; Pixel definition layer 101; Light-emitting pixel layer 102; Encapsulation layer 103; First inorganic encapsulation layer 03a; Organic encapsulation layer 03b; Second inorganic encapsulation layer 03c; First light-shielding layer 104; Spacer layer 105; First organic layer 05a; Second organic layer 05b; Second Light-shielding layer 106; touch structure layer 107; first touch insulating layer 07a; second touch insulating layer 07b; planarization layer 108; protective layer 109; privacy pixel U1; shared pixel U2; privacy sub-pixel P1; shared sub-pixel P2; first sub-pixel G1; second sub-pixel R1; third sub-pixel B1; privacy opening 06a; privacy part 061; first opening 04a; second opening 04b; first light-shielding part 041; first pixel opening S1; second pixel opening S2; gradient sub-region AJ1; non-gradient sub-region AJ2; first height V1; second height V2; display device 1000. Detailed Implementation
[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.
[0031] This application provides a display panel 100; please refer to [link / reference]. Figure 1 and Figure 2 , Figure 1 This is a planar top view of the display panel 100 provided in an exemplary embodiment of this disclosure. Figure 2 This is a cross-sectional view of the display panel 100 provided in an exemplary embodiment of this disclosure.
[0032] exist Figure 1 In the plan view, the first direction F1 can be a direction parallel to one side of the display panel 100, and for example, it can be the horizontal direction of the display panel 100. The second direction F2 can be a direction parallel to the other side of the display panel 100 in the plan view, and it can be the vertical direction of the display panel 100.
[0033] The display panel 100 may have a rectangular or square shape in a plan view, but the implementation is not limited to this. In some embodiments, the display panel 100 may have a rectangular shape with vertical corners or rounded corners in a plan view. Figure 1 As shown, the display panel 100 is a rectangular shape with rounded corners.
[0034] The display panel 100 may include two short sides arranged in a first direction F1 and two long sides arranged in a second direction F2 in a plan view.
[0035] Display panel 100 includes a display area DA and a non-display area NDA. In a plan view, the shape of the display area DA may correspond to the shape of the display panel 100. For example, if the display panel 100 has a rectangular shape in a plan view, the display area DA may also have a rectangular shape.
[0036] The non-display area NDA can be located near (or around) the display area DA. For example... Figure 1 As shown, the non-display area NDA may surround the display area DA, but the implementation is not limited to this.
[0037] Optionally, in some embodiments of this application, the display area DA includes a central display area A1 and an edge display area A2, with the edge display area A2 disposed around the central display area A1.
[0038] Optionally, in some embodiments of this application, the edge display area A2 includes a first edge area A21, a second edge area A22, a third edge area A23, a fourth edge area A24, a corner transition area A25, and an opening edge area A26. The first edge area A21 and the third edge area A23 extend along a first direction F1, and the second edge area A22 and the fourth edge area A24 extend along a second direction F2 that intersects with the first direction F1.
[0039] The display panel 100 has an opening area KK configured to allow ambient light to pass through. An opening edge area A26 surrounds the periphery of the opening area KK, and a central display area A1 surrounds the periphery of the opening edge area A26.
[0040] In the first direction F1, the second edge area A22 is located on one side of the central display area A1, and the fourth edge area A24 is located on the other side of the central display area A1. In the second direction F2, the first edge area A21 is located at one end of the central display area A1, and the third edge area A23 is located at the other end of the central display area A1. The first edge area A21 and the second edge area A22, the second edge area A22 and the third edge area A23, the third edge area A23 and the fourth edge area A24, and the fourth edge area A24 and the first edge area A21 are all connected by a corner transition area A25.
[0041] The widths of the first edge region A21, the second edge region A22, the third edge region A23, the corner transition region A25, and the opening edge region A26 are different. The widths of the second edge region A22 and the fourth edge region A24 are the same.
[0042] Optionally, in some embodiments of this application, this application provides a display panel 100, which includes a circuit layer, a pixel definition layer 101, a light-emitting pixel layer 102, an encapsulation layer 103, a first light-shielding layer 104, a spacer layer 105, and a second light-shielding layer 106.
[0043] A pixel definition layer 101 is disposed on the circuit layer, and the pixel definition layer 101 has multiple pixel openings. A light-emitting pixel layer 102 is disposed within the pixel openings. An encapsulation layer 103 covers the light-emitting side of the light-emitting pixel layer 102. A first light-shielding layer 104 is disposed on the side of the encapsulation layer 103 away from the light-emitting pixel layer 102, and the first light-shielding layer 104 is configured to block part of the emitted light from the privacy pixel P1. A spacer layer 105 covers the side of the first light-shielding layer 104 away from the light-emitting pixel layer 102. A second light-shielding layer 106 is disposed on the surface of the spacer layer 105 away from the light-emitting pixel layer 102.
[0044] Alternatively, in some embodiments, such as Figure 3As shown, the display panel 100 also includes a touch structure layer 107, a planarization layer 108, and a protective layer 109. The touch structure layer 107 is disposed on the encapsulation layer 103, and the planarization layer 108 covers the touch structure layer 107. A first light-shielding layer 104 is disposed on the side of the planarization layer 108 away from the light-emitting pixel layer 102. The protective layer 109 covers the second light-shielding layer 106.
[0045] Optionally, the circuit layer includes pixel circuitry configured to drive the light-emitting pixel layer 102 to emit light.
[0046] Optionally, in some embodiments, the pixel definition layer 101 is black to improve display contrast.
[0047] Optionally, the light-emitting pixel layer 102 includes an organic light-emitting layer. In some embodiments, the organic light-emitting layer includes a stacked bottom electrode, a hole injection layer, a hole transport layer, an organic light-emitting material layer, an electron transport layer, an electron injection layer, and a counter electrode.
[0048] Optionally, the bottom electrode is the anode and the opposite electrode is the cathode.
[0049] Optionally, the encapsulation layer 103 includes a stacked first inorganic encapsulation layer 03a, an organic encapsulation layer 03b, and a second inorganic encapsulation layer 03c. In the edge display area A2, the thickness of the organic encapsulation layer 03b decreases in the direction from the center display area A1 to the non-display area NDA.
[0050] Optionally, the thickness of the first inorganic encapsulation layer 03a is between 1 micrometer and 1.5 micrometers, for example, it can be 1 micrometer, 1.1 micrometer, 1.2 micrometer, 1.3 micrometer, 1.4 micrometer or 1.5 micrometer. The thickness of the second inorganic encapsulation layer 03c is between 0.6 micrometer and 0.8 micrometer, for example, it can be 0.6 micrometer, 0.7 micrometer or 0.8 micrometer.
[0051] Optionally, the touch structure layer 107 includes a first touch insulating layer 07a, a second touch insulating layer 07b, and touch electrodes. The touch electrodes are disposed between the first touch insulating layer 07a and the second touch insulating layer 07b, but are not limited thereto. In some embodiments, the touch electrodes are disposed on the side of the first touch insulating layer 07a and the second touch insulating layer 07b closer to the encapsulation layer 103.
[0052] Optionally, the planarization layer 108 is configured to elevate the first light-shielding layer 104 and the second light-shielding layer 106. The planarization layer 108 is made of a highly leveling material and has a thickness between 4 micrometers and 6 micrometers, for example, it can be 4 micrometers, 5 micrometers or 6 micrometers.
[0053] Optionally, the materials of the first light-shielding layer 104 and the second light-shielding layer 106 can be inorganic metal materials, such as Cr, Mo, Mn, etc., or metal oxide materials, such as CrO.x MoO x MnO2, etc., or a mixed film layer formed by metals and metal oxides; it can also be an organic black resin material, such as black polystyrene, black photoresist, etc.
[0054] Optionally, the first light-shielding layer 104 and the second light-shielding layer 106 are made of black light-absorbing material.
[0055] Optionally, the thickness of the first light-shielding layer 104 is between 0.9 micrometers and 1.2 micrometers, such as 0.9 micrometers, 1.0 micrometers, 1.1 micrometers or 1.2 micrometers.
[0056] Optionally, the spacer layer 105 can be an organic planar material, and the spacer layer 105 may include a stacked first organic layer 05a and a second organic layer 05b. The spacer layer 105 elevates the second light-shielding layer 106, thereby improving the light-blocking effect of the second light-shielding layer 106.
[0057] The thickness of the spacer layer 105 is between 7 micrometers and 9 micrometers, so as to reduce light leakage between the first light-shielding layer 104 and the second light-shielding layer 106 while taking into account the privacy protection effect. For example, the thickness of the spacer layer 105 can be 7 micrometers, 8 micrometers or 9 micrometers.
[0058] Optionally, the thickness of the first organic layer 05a is greater than the thickness of the second organic layer 05b. For example, the thickness of the first organic layer 05a is between 4 micrometers and 5 micrometers, such as 4 micrometers, 4.5 micrometers, or 5 micrometers. The thickness of the second organic layer 05b is between 3 micrometers and 4 micrometers, such as 3 micrometers, 3.5 micrometers, or 4 micrometers.
[0059] Optionally, the thickness of the protective layer 109 is between 3 micrometers and 5 micrometers, for example, it can be 3 micrometers, 4 micrometers or 5 micrometers.
[0060] Optionally, in some embodiments of this application, please refer to Figure 4 , Figure 4 This is a partial planar structural diagram of the edge display area A2 and the center display area A1 in the display panel 100 provided in an exemplary embodiment of this disclosure.
[0061] Optionally, the light-emitting pixel layer 102 includes a plurality of pixels, including a privacy pixel U1 and a shared pixel U2, the privacy pixel U1 and the shared pixel U2 are arranged alternately along a first direction F1, and the privacy pixel U1 and the shared pixel U2 are arranged alternately along a second direction F2 that intersects with the first direction F1.
[0062] Optionally, the light-emitting pixel layer 102 includes a plurality of privacy-protecting sub-pixels P1 and a plurality of shared sub-pixels P2. The plurality of privacy-protecting sub-pixels P1 include a first sub-pixel G1, a second sub-pixel R1, and a third sub-pixel B1 with different light-emitting colors. The plurality of shared sub-pixels P2 also include a first sub-pixel G1, a second sub-pixel R1, and a third sub-pixel B1 with different light-emitting colors. A portion of the first sub-pixels G1, the second sub-pixel R1, and the third sub-pixel B1 are configured as privacy-protecting pixels U1, and another portion of the first sub-pixels G1, the second sub-pixel R1, and the third sub-pixel B1 are configured as shared pixels U2.
[0063] Optionally, the first sub-pixel G1, the second sub-pixel R1, and the third sub-pixel B1 can all be rectangles such as right-angled rectangles, chamfered rectangles, or rounded rectangles. For example, the first sub-pixel G1, the second sub-pixel R1, and the third sub-pixel B1 can each be a rectangle or a square.
[0064] In this design, one of the first sub-pixel G1, the second sub-pixel R1, and the third sub-pixel B1 emits green light, one emits red light, and the last emits blue light. The following explanation will use the example of the first sub-pixel G1 emitting green light, the second sub-pixel R1 emitting red light, and the third sub-pixel B1 emitting blue light.
[0065] Optionally, in some embodiments of this application, the edges of the second edge region A22, the fourth edge region A24, and the corner transition region A25 each have a first number of pixels between their edges and the boundary of the central display region A1, the first number being between 1 and 30. The edges of the first edge region A21 and the third edge region A23 each have a second number of pixels between their edges and the boundary of the central display region A1, the second number being between 1 and 40. The edge of the aperture edge region A26 has a third number of pixels between its edge and the boundary of the central display region A1, the third number being between 1 and 20.
[0066] It is understandable that the wider the edge area and transition area, the more pixels are set in it, and the more downscaling compensation is needed for the corresponding privacy opening 06a.
[0067] Optionally, in some embodiments of this application, the second light-shielding layer 106 is provided with a plurality of privacy openings 06a, and each privacy sub-pixel P1 corresponds to one privacy opening 06a. In the first direction F1, the privacy opening 06a has a width.
[0068] It should be noted that the privacy opening 06a can be either a closed opening or an open opening. This embodiment uses an open privacy opening 06a as an example for illustration. Figure 4 As shown, but not limited to.
[0069] From the central display area A1 toward the non-display area NDA of the display panel 100, the thickness of the encapsulation layer 103 located in the edge display area A2 decreases, the width k1 of the privacy opening 06a located in the edge display area A2 shows a decreasing trend, and the privacy opening 06a located in the same privacy pixel U1 has the same width.
[0070] It is understood that, in the display panel 100 of this application embodiment, since the thickness of the encapsulation layer 103 decreases from the central display area A1 to the non-display area NDA, the width k1 of the privacy opening 06a in the same direction decreases accordingly, thereby reducing the light emission angle and lateral light emission brightness. In privacy mode, this reduces the difference in light emission angle and lateral light emission brightness between the privacy sub-pixels P1 in the edge display area A2 and the central display area A1. Furthermore, the privacy openings located in the same privacy pixel have the same width to reduce the risk of color shift in privacy mode.
[0071] It should be noted that the width of the aforementioned privacy opening 06a is the width in the first direction F1. From the center display area A1 towards the non-display area NDA of the display panel 100, the width k1 of the privacy opening 06a located in the edge display area A2 shows a decreasing trend. It is possible that the width k1 of all the privacy openings 06a in the edge display area A2 exhibits an overall decreasing trend.
[0072] For example, in the direction from the central display area A1 towards the non-display area NDA of the display panel 100, the edge display area A2 can be divided into multiple sub-areas, each sub-area having multiple privacy openings 06a. All privacy openings 06a within the same sub-area have the same width. In this case, among any two adjacent sub-areas, the one furthest from the central display area A1 has a smaller privacy opening 06a. For example, in the direction from the central display area A1 towards the non-display area NDA of the display panel 100, each sub-area can have 1 to 5 privacy pixels U1. The number of privacy pixels U1 between sub-areas can be different or the same, and the more privacy pixels U1 a sub-area has, the wider its width.
[0073] Optionally, the number of privacy pixels U1 in the sub-region decreases from the central display area A1 toward the non-display area NDA of the display panel 100. It is understood that the thickness of the encapsulation layer 103 decreases more significantly closer to the edge, resulting in a larger step difference. Therefore, the sub-regions closer to the edge are narrower to improve the uniformity of compensation for the privacy opening 06a, thereby improving display uniformity.
[0074] In some embodiments, the privacy opening 06a further from the central display area A1 may be smaller in width than the one in any two adjacent privacy openings 06a in the edge display area A2, in the direction from the central display area A1 toward the non-display area NDA of the display panel 100.
[0075] The reduction in the width of the privacy opening 06a in the edge display area A2 is positively correlated with the thickness of the film layer below the second light-shielding layer 106. That is, the closer the privacy sub-pixel P1 or privacy pixel U1 is to the edge of the edge display area A2, the smaller the thickness of the film layer below the second light-shielding layer 106, the greater the reduction compensation required for the privacy opening 06a, and the smaller the width of the privacy opening 06a.
[0076] Optionally, in some embodiments of this application, in the display panel 100 at a 30-degree viewing angle, the privacy pixel U1 located in the central display area A1 has a first luminous intensity, and the privacy pixel U1 located in the edge display area A2 has a second luminous intensity, the second luminous intensity being between 80% and 120% of the first luminous intensity. For example, the second luminous intensity is 80%, 85%, 90%, 95%, 100%, 105%, 110%, 115%, or 120% of the first luminous intensity.
[0077] In the display panel 100 at a 45-degree viewing angle, the privacy pixel U1 located in the central display area A1 has a third luminous intensity, and the privacy pixel U1 located in the edge display area A2 has a fourth luminous intensity, wherein the fourth luminous intensity is between 90% and 150% of the third luminous intensity. For example, the fourth luminous intensity is 90%, 95%, 100%, 105%, 110%, 115%, 120%, 125%, 130%, 135%, 140%, 145%, or 150% of the third luminous intensity.
[0078] It is understood that in this embodiment, the width of the privacy opening 06a in the edge display area A2 is reduced by a corresponding decrease compensation to reduce the lateral light emission brightness of the edge display area A2. For example, compared to the comparison before compensation, at a 30-degree viewing angle, the brightness of the outermost privacy pixel U1 is 140%, and at a 45-degree viewing angle, it is 400%. After the decrease compensation, the privacy opening 06a corresponding to the privacy pixel U1 in this embodiment can significantly reduce the light emission brightness of the center display area A1 at 30-degree and 45-degree viewing angles, thereby improving the uniformity of light emission.
[0079] Secondly, in order to avoid light leakage from a large angle, the smaller the width of the privacy opening 06a, the larger the width of the privacy part 061 should be.
[0080] Optionally, in some embodiments of this application, the second light-shielding layer 106 includes a plurality of privacy shields 061, which are spaced apart along a first direction F1 and extend along a second direction F2 intersecting the first direction F1. In the display panel 100 viewed from above, a privacy sub-pixel P1 is disposed between two adjacent privacy shields 061 in the first direction F1. The side of two adjacent privacy shields 061 near the privacy sub-pixel P1 defines a sidewall as a privacy opening 06a.
[0081] The width of the privacy screen 061 located in the edge display area A2 increases in the direction from the central display area A1 toward the non-display area NDA of the display panel 100.
[0082] Understandably, as the width of the privacy opening 06a decreases, the width of the privacy part 061 increases accordingly, which can avoid the problem of light leakage from a large angle.
[0083] Optionally, in order to prevent light leakage from the privacy pixel U1 without affecting the wide-angle light output of the shared pixel U2, the width of the privacy part 061 is selected to be between 6 micrometers and 8 micrometers, for example, it can be 6 micrometers, 7 micrometers or 8 micrometers.
[0084] Optionally, in some embodiments of this application, the first light-shielding layer 104 is provided with a plurality of first openings 04a. In the thickness direction of the display panel 100, a first opening 04a is aligned with a privacy opening 06a. The first light-shielding layer 104 includes a plurality of first light-shielding portions 041, which are spaced apart along a first direction F1 and extend along a second direction F2. In the first direction F1, the side of two adjacent first light-shielding portions 041 near the privacy sub-pixel P1 defines a sidewall of the first opening 04a.
[0085] In the edge display area A2 from a top-down view, a privacy screen 061 overlaps with a first light-shielding part 041. In the overlapping privacy screen 061 and the first light-shielding part 041, the distance L from the edge of the privacy screen 061 away from the privacy sub-pixel P1 to the edge of the first light-shielding part 041 near the privacy sub-pixel P1 is between 5.7 micrometers and 8.7 micrometers.
[0086] Understandably, to compensate for the reduction in the width of the privacy opening 06a, it is necessary to shrink the privacy opening 06a. To prevent the privacy unit 061 from affecting the light emission of the shared pixel U2, the side of the privacy unit 061 closest to the shared pixel U2 (the side furthest from the privacy pixel U1) remains stationary, while the side closest to the privacy sub-pixel P1 shrinks inward. The shrinkage value is determined by the thickness of the underlying film. Based on this, the distance L is limited to between 5.7 micrometers and 8.7 micrometers to ensure that the large-angle light emission of the privacy sub-pixel P1 does not leak from the side of the privacy unit 061 closest to the shared pixel U2.
[0087] Optionally, the distance L from the edge of the privacy shield 061 away from the privacy sub-pixel P1 to the edge of the first light-shielding part 041 near the privacy sub-pixel P1 can be 5.7 μm, 5.8 μm, 5.9 μm, 6 μm, 6.1 μm, 6.2 μm, 6.3 μm, 6.4 μm, 6.5 μm, 6.6 μm, 6.7 μm, 6.8 μm, 6.9 μm, 7 μm, 7.1 μm, 7.2 μm, 7.3 μm, 7.4 μm, 7.5 μm, 7.6 μm, 7.7 μm, 7.8 μm, 7.9 μm, 8 μm, 8.1 μm, 8.2 μm, 8.3 μm, 8.4 μm, 8.5 μm, 8.6 μm, or 8.7 μm.
[0088] Optionally, in some embodiments of this application, the display panel 100 includes a pixel definition layer 101, which has a first pixel opening S1. A privacy pixel P1 is disposed within the first pixel opening S1.
[0089] In the edge display area A2 from a top-down view, the sidewall of the privacy opening 06a with the smallest width among all privacy openings 06a is flush with the sidewall of the first pixel opening S1.
[0090] That is, in some embodiments of this application, the edge display area A2 includes a gradient sub-area AJ1 and a non-gradient sub-area AJ2, with the non-gradient sub-area AJ2 located on the side of the gradient sub-area AJ1 away from the central display area A1. Specifically, in the direction from the central display area A1 toward the non-display area NDA of the display panel 100, the width of the privacy opening 06a in the gradient sub-area AJ1 decreases, the width of the privacy opening 06a in the non-gradient sub-area AJ2 is smaller than the width of the privacy opening 06a in the gradient sub-area AJ1, and all privacy openings 06a in the non-gradient sub-area AJ2 have the same width.
[0091] It is understood that in the embodiment of this application, the sidewall of the privacy opening 06a with the smallest width among all privacy openings 06a in the edge display area A2 is flush with the sidewall of the first pixel opening S1. That is, the minimum width of the privacy opening 06a in the edge display area A2 is equal to the width of the corresponding first pixel opening S1, so as to prevent the sidewall of the privacy opening 06a from intruding into the first pixel opening S1 and to prevent affecting the overall light output brightness of the privacy sub-pixel P1.
[0092] Optionally, in some embodiments of this application, in the thickness direction of the display panel 100, the height of the surface of the spacer layer 105 away from the light-emitting pixel layer 102 to the surface of the encapsulation layer 103 away from the light-emitting pixel layer 102 gradually decreases along the direction from the central display area A1 to the edge display area A2.
[0093] In the central display area A1, the height from the surface of the spacer layer 105 away from the light-emitting pixel layer 102 to the surface of the encapsulation layer 103 away from the light-emitting pixel layer 102 is a first height V1. In the edge display area A2, the height from the surface of the spacer layer 105 away from the light-emitting pixel layer 102 to the surface of the encapsulation layer 103 away from the light-emitting pixel layer 102 is a second height V2. The second height V2 is less than the first height V1.
[0094] The difference between the first height V1 and the second height V2 has a first set range, which is between 2.5 micrometers and 2.9 micrometers. The edge display area A2 is located in the area of the first set range, and the sidewall of the privacy opening 06a is flush with the sidewall of the first pixel opening S1.
[0095] Optionally, the first set range can be 2.5 micrometers, 2.6 micrometers, 2.7 micrometers, 2.8 micrometers or 2.9 micrometers.
[0096] It is understandable that when the thickness of the second light-shielding layer 106 below the edge display area A2 is lower than the thickness of the film below the center display area A1 by a height value within the first set range, the width of the corresponding privacy opening 06a is set to be equal to the width of the first pixel opening S1 aligned with it, so as to improve the brightness uniformity of the side-emitting light.
[0097] Please refer to Figure 6a and Figure 6b The 15th pixel from the edge of the edge display area A2 is the privacy pixel U1. The privacy opening 06a of the 15th privacy pixel U1 is flush with the opening S1 of the first pixel. At this time, its brightness at both the 30-degree and 45-degree viewing angles is close to the brightness of the privacy pixel U1 in the center display area A1.
[0098] Optionally, in some embodiments of this application, the difference between the first height V1 and the second height V2 has a second set range, which is greater than the maximum value of the first set range. The edge display area A2 is located in the area of the second set range, and the sidewall of the privacy opening 06a is flush with the sidewall of the first pixel opening S1.
[0099] It is understandable that when the height difference between the first height V1 and the second height V2 is greater than the first set range, the privacy opening 06a in the second set range area is still selected so that the side wall of the privacy opening 06a is flush with the side wall of the first pixel opening S1, in order to reduce the impact on the front light output of the privacy pixel U1.
[0100] Optionally, in some embodiments of this application, the first light-shielding layer 104 is provided with a plurality of first openings 04a, and in the thickness direction of the display panel 100, one first opening 04a is aligned with a privacy opening 06a. From the central display area A1 to the non-display area NDA of the display panel 100, the width k2 of the first opening 04a located in the edge display area A2 decreases.
[0101] It is understood that, in the display panel 100 of this application embodiment, the thickness of the encapsulation layer 103 decreases from the central display area A1 to the non-display area NDA. Therefore, the width k2 of the first opening 04a in the same direction has a decreasing trend, so as to correspondingly reduce the light emission angle and lateral light emission brightness. In the privacy mode, the difference in light emission angle and lateral light emission brightness of the privacy sub-pixel P1 in the edge display area A2 and the central display area A1 is reduced, thereby improving display uniformity.
[0102] Optionally, in some embodiments of this application, in the direction from the central display area A1 to the non-display area NDA of the display panel 100, in the aligned first opening 04a and privacy opening 06a, the decrease in width of the first opening 04a is the same as the decrease in width of the privacy opening 06a.
[0103] Understandably, the aligned first opening 04a and the privacy opening 06a have the same downward amplitude, making their indentation values the same, in order to reduce the risk of light leakage from the privacy pixel U1.
[0104] Optionally, in some embodiments of this application, the light-emitting pixel layer 102 includes a shared pixel U2, and the shared pixel U2 includes a plurality of shared sub-pixels P2. The first light-shielding layer 104 is provided with a plurality of second openings O4b. In the thickness direction of the display panel 100, one second opening O4b corresponds to one shared sub-pixel P2.
[0105] From the central display area A1 toward the non-display area NDA of the display panel 100, the width of the second opening 04b located in the edge display area A2 decreases.
[0106] Optionally, the pixel definition layer 101 is provided with a second pixel opening S2, and the shared sub-pixel P2 is located within the second pixel opening S2.
[0107] It is understood that, in the display panel 100 of this application embodiment, since the thickness of the encapsulation layer 103 decreases from the central display area A1 to the non-display area NDA, the width k3 of the second opening 04b in the same direction has a decreasing trend, so as to correspondingly reduce the light emission angle and lateral light emission brightness. In the shared mode, the difference in light emission angle and lateral light emission brightness between the shared sub-pixel P2 in the edge display area A2 and the central display area A1 is reduced, thereby improving display uniformity.
[0108] Please refer to Figure 5 , Figure 5 This is a schematic diagram of another partial structure of the edge display area A2 and the center display area A1 in the display panel 100 provided in an exemplary embodiment of this disclosure. Figure 5 In this application, the embodiments will describe the parts that differ from the above embodiments in order to avoid redundant descriptions.
[0109] Optionally, in some embodiments of this application, the display panel 100 includes a pixel definition layer 101, which has a first pixel opening S1. A privacy pixel P1 is disposed within the first pixel opening S1.
[0110] In the edge display area A2 from a top-down perspective, the sidewall of the privacy opening 06a near the center display area A1 is located outside the first pixel opening S1, while the sidewall of the privacy opening 06a away from the center display area A1 is located inside the first pixel opening S1.
[0111] It is understandable that the reduction compensation of the privacy opening 06a in the edge display area A2 is positively correlated with the reduction of the film thickness below the second light-shielding layer 106. The thinner the film thickness below the second light-shielding layer 106, the greater the reduction compensation (shrinkage value) required for the width of the privacy opening 06a in the edge display area A2. Therefore, when the reduction of the film thickness below the second light-shielding layer 106 exceeds the first set range, the sidewall of the privacy opening 06a needs to invade the first pixel opening S1. The thinner the thickness below the second light-shielding layer 106, the more it invades.
[0112] Optionally, in some embodiments of this application, the difference between the first height V1 and the second height V2 has a second set range, which is greater than the maximum value of the first set range. The edge display area A2 is located in the area of the second set range, the sidewall of the privacy opening 06a is located within the first pixel opening S1, and the width of the privacy opening 06a is smaller than the width of the first pixel opening S1.
[0113] It is understandable that when the edge display area A2 has a lower terrain range, such as the area corresponding to the second set range, the privacy opening 06a in the area corresponding to the second set range is further recessed to invade the first pixel opening S1. The thinner the thickness of the second light-shielding layer 106 below, the more it invades, so as to improve the light emission uniformity of the edge display area A2 under the side view.
[0114] Among them, can be combined Figure 6a and Figure 6b ,exist Figure 6a and Figure 6bIn the comparative display panel 100, the width of the privacy opening 06a in the edge display area A2 is not compensated for. In Example 1 (corresponding to...) Figure 3 In the display panel 100 of the embodiment 2, the width of the privacy opening 06a of the edge display area A2 is reduced to compensate for the decrease, but the sidewall of the smallest privacy opening 06a is flush with the sidewall of the corresponding first pixel opening S1. Figure 5 In the display panel 100, the width of the privacy opening 06a of the edge display area A2 strictly follows the rule that the thinner the film thickness below the second light-shielding layer 106, the greater the descent compensation of the privacy opening 06a. Therefore, part of the sidewall of the privacy opening 06a invades the first pixel opening S1.
[0115] It should be noted that the comparative example, Example 1 and Example 2 all correspond to the second edge region A22. Figure 6a The luminance Lum% on the vertical axis refers to the percentage of the luminance of the privacy pixel U1 in the edge display area A2 and the luminance of the privacy pixel U1 in the center display area A1 at a 30-degree viewing angle. Figure 6b The luminance Lum% on the vertical axis refers to the percentage of the luminance of the privacy pixel U1 in the edge display area A2 and the luminance of the privacy pixel U1 in the center display area A1 at a 45-degree viewing angle.
[0116] according to Figure 6a and Figure 6b It can be seen that Comparative Example 2 has better brightness uniformity at 30-degree and 45-degree viewing angles than Example 1.
[0117] Please refer to Figure 7 , Figure 7 This is a schematic diagram of the structure of the display device 1000 provided in an embodiment of this application. According to a second aspect of this application, a display device 1000 is provided, which includes a display panel 100 as described in any of the above embodiments.
[0118] It should be noted that the structure of the display panel 100 of the display device 1000 provided in this application embodiment is the same as the structure of the display panel 100 provided in the above embodiments. For details, please refer to... Figures 1 to 5 Therefore, the relevant explanations will not be repeated here.
[0119] Display device 1000 can be at least one of the following: smartphone, tablet, mobile phone, video phone, e-book reader, desktop computer, laptop, netbook, workstation, server, personal digital assistant, portable media player, MP3 player, television, mobile medical device, camera, game console, digital camera, car navigation system, in-vehicle display screen, electronic billboard, ATM, or wearable device, VR device, AR device.
[0120] In the display device 1000 of this application embodiment, the light-emitting pixel layer 102 includes a privacy pixel U1, the privacy pixel U1 includes a plurality of privacy sub-pixels P1, the encapsulation layer 103 covers the light-emitting side of the light-emitting pixel layer 102, the first light-shielding layer 104 is disposed on the side of the encapsulation layer 103 away from the light-emitting pixel layer 102, and the spacer layer 105 covers the side of the first light-shielding layer 104 away from the light-emitting pixel layer 102; the second light-shielding layer 106 is disposed on the surface of the spacer layer 105 away from the light-emitting pixel layer 102, and the second light-shielding layer 106 is provided with a plurality of privacy openings 06a, each privacy sub-pixel P1 corresponding to one privacy opening 06a.
[0121] The display area DA of the display panel 100 includes a central display area A1 and an edge display area A2, with the edge display area A2 located around the central display area A1. From the central display area A1 toward the non-display area NDA of the display panel 100, the thickness of the encapsulation layer 103 in the edge display area A2 decreases, the width of the privacy opening 06a in the edge display area A2 decreases, and the privacy openings of the same privacy pixel have the same width.
[0122] It is understood that, based on the fact that the thickness of the encapsulation layer 103 decreases from the central display area A1 to the non-display area NDA, the width of the privacy opening 06a provided in the same direction has a decreasing trend, so as to correspondingly reduce the light emission angle and lateral light emission brightness. In privacy mode, the difference in light emission angle and lateral light emission brightness between the privacy sub-pixel P1 in the edge display area A2 and the central display area A1 is reduced.
[0123] Secondly, the width of the privacy openings located in the same privacy pixel is set to be the same to reduce the risk of color shift.
[0124] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0125] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.
[0126] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.
[0127] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.
Claims
1. A display panel, characterized in that, include: The light-emitting pixel layer includes a privacy pixel, wherein the privacy pixel includes a plurality of privacy sub-pixels; An encapsulation layer covers the light-emitting side of the light-emitting pixel layer; A first light-shielding layer is disposed on the side of the encapsulation layer away from the light-emitting pixel layer, and the first light-shielding layer is configured to block part of the emitted light from the privacy sub-pixel; A spacer layer covers the side of the first light-shielding layer away from the light-emitting pixel layer; A second light-shielding layer is disposed on the side surface of the spacer layer away from the light-emitting pixel layer. The second light-shielding layer is provided with a plurality of privacy openings, each privacy sub-pixel corresponding to one privacy opening. In a first direction, the privacy opening has a width; all privacy openings located in the same privacy pixel have the same width. The display panel includes a central display area and an edge display area, with the edge display area disposed around the periphery of the central display area. The encapsulation layer includes a first part and a second part, with the first part located at least in the central display area and the second part located in the edge display area. The thickness of the second part is different from the thickness of the first part, and the width of the privacy opening disposed on the second part is different from the width of the privacy opening disposed on the first part.
2. The display panel according to claim 1, characterized in that, The thickness of the second part is less than the thickness of the first part, and the width of the privacy opening provided on the second part is less than the width of the privacy opening provided on the first part.
3. The display panel according to claim 1, characterized in that, The surface of the spacer layer near the second light-shielding layer includes a flat surface and a curved surface. The flat surface is located at least in the central display area, and the curved surface is located in the edge display area. The height of the curved surface to the surface of the encapsulation layer away from the light-emitting pixel layer is less than the height of the flat surface to the surface of the encapsulation layer away from the light-emitting pixel layer. The width of the privacy opening on the curved surface is less than the width of the privacy opening on the flat surface.
4. The display panel according to claim 1, characterized in that, From the central display area toward the non-display area of the display panel, the thickness of the lower film layer of the second light-shielding layer decreases, and the width of the privacy opening located in the edge display area decreases.
5. The display panel according to claim 4, characterized in that, From the central display area toward the non-display area of the display panel, the edge display area is divided into multiple sub-areas, each sub-area having multiple privacy openings, wherein all privacy openings in the same sub-area have the same width, and in any two adjacent sub-areas, the privacy opening of the sub-area farther from the central display area is smaller than the privacy opening of the sub-area closer to the central display area.
6. The display panel according to claim 5, characterized in that, The number of privacy pixels in the sub-area decreases from the central display area toward the non-display area of the display panel.
7. The display panel according to any one of claims 1-6, characterized in that, The display panel includes a pixel definition layer, the pixel definition layer is provided with a first pixel opening, and the privacy sub-pixel is disposed in the first pixel opening; In the edge display area viewed from above, the sidewall of the privacy opening with the smallest width among all the privacy openings is flush with the sidewall of the first pixel opening.
8. The display panel according to any one of claims 1-6, characterized in that, The display panel includes a pixel definition layer, the pixel definition layer is provided with a first pixel opening, and the privacy sub-pixel is disposed in the first pixel opening; In the edge display area viewed from above, the sidewall of the privacy opening near the center display area is located outside the first pixel opening, while the sidewall of the privacy opening away from the center display area is located inside the first pixel opening.
9. The display panel according to any one of claims 1-6, characterized in that, The display panel includes a pixel definition layer, the pixel definition layer is provided with a first pixel opening, and the privacy sub-pixel is disposed in the first pixel opening; In the thickness direction of the display panel, the height from the surface of the spacer layer away from the light-emitting pixel layer to the surface of the encapsulation layer away from the light-emitting pixel layer gradually decreases along the direction from the center display area to the edge display area; In the central display area, the height from the surface of the spacer layer away from the light-emitting pixel layer to the surface of the encapsulation layer away from the light-emitting pixel layer is a first height; in the edge display area, the height from the surface of the spacer layer away from the light-emitting pixel layer to the surface of the encapsulation layer away from the light-emitting pixel layer is a second height, and the second height is less than the first height. The difference between the first height and the second height has a first set range, which is between 2.5 micrometers and 2.9 micrometers. The edge display area is located in the area of the first set range, and the sidewall of the privacy opening is flush with the sidewall of the first pixel opening.
10. The display panel according to claim 9, characterized in that, The difference between the first height and the second height has a second set range, the second set range is greater than the maximum value of the first set range, the edge display area is located in the area of the second set range, and the sidewall of the privacy opening is flush with the sidewall of the first pixel opening.
11. The display panel according to claim 10, characterized in that, The difference between the first height and the second height has a second set range, the second set range is greater than the maximum value of the first set range, the edge display area is located in the area of the second set range, the sidewall of the privacy opening is located inside the first pixel opening, and the width of the privacy opening is less than the width of the first pixel opening.
12. The display panel according to any one of claims 1-6, characterized in that, The first light-shielding layer is provided with a plurality of first openings. In the thickness direction of the display panel, one first opening is aligned with one privacy opening. In the direction from the central display area to the non-display area of the display panel, the width of the first opening located in the edge display area decreases. In the direction from the central display area toward the non-display area of the display panel, in the aligned first opening and the privacy opening, the width of the first opening decreases by the same amount as the width of the privacy opening.
13. The display panel according to claim 12, characterized in that, The light-emitting pixel layer includes a shared pixel, and the shared pixel includes a plurality of shared sub-pixels. The first light-shielding layer is provided with a plurality of second openings. In the thickness direction of the display panel, one second opening corresponds to one of the shared sub-pixels. The width of the second opening located in the edge display area decreases in the direction from the central display area toward the non-display area of the display panel.
14. The display panel according to any one of claims 1-6, characterized in that, The second light-shielding layer includes multiple privacy shields, which are spaced apart along a first direction and extend along a second direction intersecting the first direction. In the display panel viewed from above, a privacy shield sub-pixel is provided between two adjacent privacy shields in the first direction, and the side of the two adjacent privacy shields near the privacy shield sub-pixel defines the sidewall of the privacy opening. The width of the privacy screen located in the edge display area increases in the direction from the center display area toward the non-display area of the display panel.
15. The display panel according to claim 14, characterized in that, The first light-shielding layer is provided with a plurality of first openings. In the thickness direction of the display panel, one first opening is aligned with one privacy opening. The first light-shielding layer includes a plurality of first light-shielding portions. The plurality of first light-shielding portions are arranged at intervals along the first direction and extend along the second direction. In the first direction, the side of two adjacent first light-shielding portions near the privacy sub-pixel defines the sidewall of the first opening. In the edge display area viewed from above, a privacy screen overlaps with a first light-shielding part. In the overlapping privacy screen and the first light-shielding part, the distance from the edge of the privacy screen away from the privacy sub-pixel to the edge of the first light-shielding part near the privacy sub-pixel is between 5.7 micrometers and 8.7 micrometers.
16. The display panel according to any one of claims 1-6, characterized in that, In the display panel at a 30-degree viewing angle, the privacy pixel located in the central display area has a first luminous brightness, and the privacy pixel located in the edge display area has a second luminous brightness, the second luminous brightness being between 80% and 120% of the first luminous brightness; In the display panel at a 45-degree viewing angle, the privacy pixel located in the central display area has a third luminous intensity, and the privacy pixel located in the edge display area has a fourth luminous intensity, the fourth luminous intensity being between 90% and 150% of the third luminous intensity.
17. The display panel according to any one of claims 1-6, characterized in that, The edge display area includes a first edge area, a second edge area, a third edge area, a fourth edge area, and a corner transition area; the first edge area and the third edge area extend along a first direction, and the second edge area and the fourth edge area extend along a second direction intersecting the first direction; The first edge region and the second edge region, the second edge region and the third edge region, the third edge region and the fourth edge region, and the fourth edge region and the first edge region are all connected by a corner transition region. In the corner transition area, from the central display area to the non-display area of the display panel, the thickness of the lower film layer of the second light-shielding layer decreases, and the width of the privacy opening located in the edge display area decreases.
18. The display panel according to claim 17, characterized in that, The display panel has an opening area configured to transmit ambient light. The edge display area includes an opening edge area surrounding the periphery of the opening area. The center display area surrounds the periphery of the opening edge area. In the first direction, the second edge area is located on one side of the center display area, and the fourth edge area is located on the other side of the center display area. In the second direction, the first edge area is located at one end of the center display area, and the third edge area is located at the other end of the center display area. The widths of the first edge region, the second edge region, the third edge, the corner transition region, and the opening edge region are different.
19. The display panel according to claim 18, characterized in that, The edges of the second edge region, the fourth edge region, and the corner transition region each have a first number of pixels between their edges and the boundary of the central display region, the first number being between 1 and 30. The edges of the first edge region and the third edge region each have a second number of pixels between their edges and the boundary of the central display region, the second number being between 1 and 40. The edges of the aperture edge region each have a third number of pixels between their edges and the boundary of the central display region, the third number being between 1 and 20.
20. A display device, characterized in that, Includes the display panel as described in any one of claims 1-19.
