Display panel and electronic device

Abstract

The application provides a display panel and an electronic device. The display panel comprises a first display area, a second display area, and a bending display area connecting the first display area and the second display area. The display panel comprises a substrate, an isolation structure on one side of the substrate, the isolation structure enclosing a plurality of isolation openings, and a plurality of light emitting devices, at least part of the light emitting devices being located in the corresponding isolation openings. For the isolation openings corresponding to the light emitting devices of the same light emitting color, the opening area of the isolation openings located in the bending display area is greater than the opening area of the isolation openings located in the first display area and / or the second display area. In this way, the contact area of the organic encapsulation layer and the isolation structure can be reduced, the contact area of the organic encapsulation layer and the inorganic encapsulation unit in the bending display area can be increased, the risk of film layer peeling of the organic encapsulation layer can be reduced, and the encapsulation effectiveness of the display panel can be ensured.

Description

Technical Field

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

[0002] Organic light-emitting diodes (OLEDs) and flat panel displays based on light-emitting diode (LED) technologies are widely used in various consumer electronics products such as mobile phones, televisions, laptops, and desktop computers due to their advantages such as high image quality, energy saving, thin body, and wide application range, becoming the mainstream display devices. In the traditional display panel manufacturing process, a fine metal mask (FMM) is typically used to pattern the light-emitting pixels. FMM technology is mature and has extensive mass production experience. However, FMM technology also has problems such as limited precision, high development costs, and long development cycles. Fine metal mask-less technology eliminates the limitations of traditional OLED processes on display size, resolution, and other screen performance aspects, offering advantages such as high performance, full-size display, and agile delivery. Patents CN118251982A, CN116648095A, CN117062489A, CN118742138A, CN118678783A, CN118660598A, CN118675450A, CN118824188A, and CN118781966A describe relevant content on the technology of not using fine metal masks, and are provided for reference.

[0003] However, the performance of current OLED display products needs to be improved. Summary of the Invention

[0004] To overcome the aforementioned shortcomings in the prior art, the present application aims to provide a display panel, the display panel including a first display area, a second display area, and a bent display area connecting the first display area and the second display area; the display panel includes:

[0005] Substrate;

[0006] An isolation structure located on one side of the substrate, the isolation structure enclosing and forming a plurality of isolation openings;

[0007] Multiple light-emitting devices, at least a portion of which are located within corresponding isolation openings;

[0008] Specifically, for the isolation openings corresponding to the light-emitting devices of the same emitting color, the opening area of ​​the isolation opening located in the bent display area is greater than the opening area of ​​the isolation opening located in the first display area and / or the second display area.

[0009] In some possible implementations, the display panel further includes a pixel defining layer located between the substrate and the isolation structure, the pixel defining layer including a plurality of pixel openings, the orthographic projection of the pixel openings on the substrate being located within the orthographic projection of the corresponding isolation openings on the substrate;

[0010] The pixel aperture areas corresponding to the light-emitting devices of the same emission color are the same.

[0011] In some possible implementations, the pixel defining layer includes a first region whose orthographic projection onto the substrate is outside the orthographic projection onto the substrate on the side of the isolation structure closer to the substrate; at least a portion of the film layer in the light-emitting device includes a first portion located on the side of the first region away from the substrate;

[0012] The area of ​​the first portion of the light-emitting device located in the bent display area is larger than the area of ​​the first portion of the light-emitting device located in the first display area and / or the second display area.

[0013] In some possible implementations, the bent display area includes a central area and two edge areas, the two edge areas being located on both sides of the central area and respectively connected to the first display area and the second display area;

[0014] In the bent display area, the opening area of ​​at least one isolation opening near the edge region is smaller than the opening area of ​​at least one isolation opening near the middle region.

[0015] In some possible implementations, the opening area of ​​the isolation opening gradually increases from the edge region to the middle region.

[0016] In some possible implementations, the first display area, the bent display area, and the second display area are arranged sequentially along a first direction, and the width of the isolation opening located in the bent area in the first direction is greater than the width of the isolation opening located in the first display area and / or the second display area in the first direction.

[0017] In some possible implementations, the ratio of the width of the isolation opening located in the bending area in the first direction to the width of the isolation opening located in the first display area and / or the second display area in the first direction is a first ratio, and the ratio of the width of the isolation opening located in the bending area in the second direction to the width of the isolation opening located in the first display area and / or the second display area in the second direction is a second ratio, wherein the first direction is different from the second direction;

[0018] The first ratio is greater than the second ratio.

[0019] In some possible implementations, the display panel further includes:

[0020] Multiple spaced-apart packaging units, the packaging units being located on the side of the corresponding light-emitting device away from the substrate, and at least a portion of the packaging units being located within the corresponding isolation opening;

[0021] Preferably, at least another portion of the packaging unit is located on the side of the isolation structure away from the substrate;

[0022] Preferably, there is a gap between adjacent packaging units, and the gap exposes at least a portion of the isolation structure on the side away from the substrate.

[0023] In some possible implementations, the display panel further includes a first encapsulation layer located on the side of the isolation structure and the encapsulation unit away from the substrate, wherein at least a portion of the first encapsulation layer is in contact with the encapsulation unit;

[0024] Preferably, the material of the packaging unit includes inorganic materials, and the material of the first packaging layer includes organic materials;

[0025] Preferably, the display panel further includes a second encapsulation layer located on the side of the first encapsulation layer away from the substrate;

[0026] Preferably, the material of the second encapsulation layer includes inorganic materials.

[0027] In some possible implementations, the minimum width of the isolation structure located between adjacent isolation openings in the bent display area is less than the minimum width of the isolation structure located between adjacent isolation openings in the first display area and / or the second display area;

[0028] Preferably, the minimum width of the isolation structure located between adjacent isolation openings in the bent display area is greater than or equal to 4 micrometers.

[0029] In some possible implementations, the light-emitting device includes a first electrode, a light-emitting functional layer, and a second electrode stacked in a direction away from the substrate;

[0030] The isolation structure is conductive, and the second electrode is electrically connected to the isolation structure.

[0031] In some possible implementations, the isolation structure includes a support portion and a shielding portion located on the side of the support portion away from the substrate, wherein the orthographic projection of the support portion on the substrate is located within the orthographic projection of the shielding portion on the substrate;

[0032] Preferably, under the same etching conditions, the etching resistance of the support portion is weaker than that of the shielding portion;

[0033] Preferably, the material of the support portion includes aluminum, and / or the material of the shielding portion includes titanium.

[0034] In some possible implementations, the isolation structure further includes a receiving portion located between the support and the substrate;

[0035] Preferably, the orthographic projection of the end of the receiving portion near the isolation opening on the substrate is located within the orthographic projection of the end of the shielding portion near the isolation opening on the substrate;

[0036] Preferably, the material of the receiving part includes molybdenum.

[0037] Another object of this application is to provide a display panel, the display panel including a first display area, a second display area, and a bent display area connecting the first display area and the second display area, the display panel including:

[0038] Substrate;

[0039] An isolation structure located on one side of the substrate, the isolation structure enclosing and forming a plurality of isolation openings;

[0040] Multiple light-emitting devices, at least a portion of which are located within corresponding isolation openings;

[0041] Multiple packaging units are located on the side of the corresponding light-emitting device away from the substrate. Each packaging unit includes a body portion located within the isolation opening and an extension portion extending to the isolation structure on the side away from the substrate.

[0042] A first encapsulation layer located on the side of the encapsulation unit and the isolation structure away from the substrate;

[0043] Wherein, the contact area between the first encapsulation layer located in the bent display area and the encapsulation unit is greater than the contact area between the first encapsulation layer located in the first display area and / or the second display area and the encapsulation unit.

[0044] Another object of this application is to provide an electronic device, which includes the display panel provided in this application.

[0045] Compared with the prior art, this application has the following beneficial effects:

[0046] The display panel and electronic device provided in this application reduce the contact area between the organic encapsulation layer and the isolation structure by setting the opening area of ​​the isolation opening in the bent display area to be larger than the opening area of ​​the isolation opening in the first display area and the second display area, thereby increasing the contact area between the organic encapsulation layer and the inorganic encapsulation unit in the bent display area, thereby reducing the risk of film peeling of the organic encapsulation layer and ensuring the encapsulation effectiveness of the display panel. Attached Figure Description

[0047] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0048] Figure 1 This is a schematic diagram of a display panel based on existing technology.

[0049] Figure 2 This is a schematic diagram of the display panel area provided in this embodiment;

[0050] Figure 3 This is one of the cross-sectional schematic diagrams of the display panel provided in this embodiment;

[0051] Figure 4 This is a second cross-sectional schematic diagram of the display panel provided in this embodiment;

[0052] Figure 5 This is the third cross-sectional schematic diagram of the display panel provided in this embodiment;

[0053] Figure 6 This is the fourth cross-sectional schematic diagram of the display panel provided in this embodiment;

[0054] Figure 7 Fifth cross-sectional schematic diagram of the display panel provided in this embodiment;

[0055] Figure 8 This is one of the schematic diagrams of the isolation opening of the display panel provided in this embodiment;

[0056] Figure 9 This is the second schematic diagram of the isolation opening of the display panel provided in this embodiment;

[0057] Figure 10 This is one of the schematic diagrams of the isolation structure provided in this embodiment;

[0058] Figure 11 This is the second schematic diagram of the isolation structure provided in this embodiment.

[0059] Icons: 111-Substrate; 112-Array functional layer; 120-First electrode; 130-Pixel defining layer; 131-First region; 132-Second region; 140-Isolation structure; 900-Isolation opening; 800-Light-emitting device; 801-First part; 802-Second part; 150-Light-emitting functional layer; 160-Second electrode; 170-Encapsulation unit; 180-First encapsulation layer; 190-Second encapsulation layer; 141-Support part; 142-Shielding part; 143-Receiving part; AA1-First display area; AA2-Second display area; AA3-Bent display area; AA31-Edge area; AA32-Middle area; D1-First direction; D2-Second direction. Detailed Implementation

[0060] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, 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 some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0061] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0062] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0063] In the description of this application, it should be noted that the terms "center," "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of the invention is in use. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. In addition, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0064] It should be noted that, where there is no conflict, different features in the embodiments of this application can be combined with each other.

[0065] Please see Figure 1In the relevant display panel, an isolation structure 140' with an isolation opening 900' is provided. When forming the light-emitting device 800' and the second electrode 160' by vapor-depositing a light-emitting material layer and a conductive material layer to form the light-emitting device 800', the light-emitting material layer and the conductive material layer between different isolation openings 900' can be disconnected. Thus, the light-emitting device 800' and the second electrode 160' can be formed by etching after vapor deposition of the entire layer. An encapsulation unit 170' is also provided on the side of the light-emitting device 800' away from the substrate, and there is a certain gap between the encapsulation units 170'. Subsequently, a first encapsulation layer 180' formed of organic material and a second encapsulation layer 190' formed of inorganic material are provided on the side of the isolation 140' and the encapsulation unit 170' away from the substrate 111'.

[0066] The inventors discovered that in this type of display panel, the side of the isolation structure 140' away from the substrate 111' is not covered by the encapsulation unit 170', and the subsequent first encapsulation layer 180' directly contacts the side of the isolation structure 140' away from the substrate 111'. However, the bonding force between the first encapsulation layer 180' formed of organic material and the isolation structure 140' formed of metal material is weak, making film separation between the first encapsulation layer 180' and the isolation structure 140' easy to occur. Especially in flexible display panels, the first encapsulation layer 180' and the isolation structure 140' located in the flexible display area are more prone to film separation after multiple bends.

[0067] In view of this, this embodiment provides a solution that can reduce the separation of film layers in the display panel. The solution provided in this embodiment will be described in detail below.

[0068] Please see Figure 2 , Figure 2 This is a schematic diagram of a display panel provided in this embodiment. The display panel may include a first display area AA1, a second display area AA2, and a bent display area AA3 connecting the first display area AA1 and the second display area AA2.

[0069] The first display area AA1, the second display area AA2, and the bent display area AA3 can all have display functions. The bent display area AA3 can be bent so that the first display area AA1 is folded to the backlight side of the second display area AA2, or so that the light-emitting side of the first display area AA1 is folded to face the light-emitting side of the second display area AA2.

[0070] Please see Figure 3 , Figure 3 This is a cross-sectional schematic diagram of the display panel provided in this embodiment. The display panel may include a substrate 111, an isolation structure 140, and a plurality of light-emitting devices 800.

[0071] In this embodiment, the material of the substrate 111 may include a rigid material, such as glass; or the material of the substrate 111 may include a flexible material, such as polyimide (Pi).

[0072] Optionally, an array functional layer 112 may also be disposed on one side of the substrate 111. The array functional layer 112 may include multiple film layer structures, such as a buffer layer, an active layer, multiple conductive layers, multiple insulating layers, and a planarization layer. The multiple film layer structures of the array functional layer 112 can form multiple thin film transistors (TFTs) and wiring structures at different locations. The thin film transistors can cooperate with each other to form multiple pixel driving units or driving circuits, and the wiring structures provide signals or voltages to the circuits.

[0073] The isolation structure 140 is located on one side of the substrate 111. For example, the isolation structure 140 may be located on the side of the array functional layer 112 away from the substrate 111. The isolation structure 140 encloses and forms a plurality of spaced-apart isolation openings 900.

[0074] The light-emitting devices 800 are located within their respective isolation openings 900. The multiple light-emitting devices 800 may include at least two different light-emitting devices 800 with different emission colors; for example, the emission colors of the light-emitting devices 800 may include red, blue, and green.

[0075] In some possible implementations, the light-emitting device 800 includes a first electrode 120, a light-emitting functional layer, and a second electrode 160 stacked in a direction away from the substrate 111.

[0076] The isolation structure 140 is conductive, and the second electrode 160 is electrically connected to the isolation structure 140.

[0077] The first electrode 120 can be connected to the pixel driving circuit in the array functional layer 112, and the second electrode 160 can be connected to the common voltage supply circuit through the isolation structure 140. When there is a potential difference between the first electrode 120 and the second electrode 160, the light-emitting functional layer located between the first electrode 120 and the second electrode 160 is driven to emit light.

[0078] For the isolation openings 900 corresponding to the light-emitting devices 800 of the same color, the opening area of ​​the isolation opening 900 located in the bent display area AA3 is greater than the opening area of ​​the isolation opening 900 located in the first display area AA1 and / or the second display area AA2.

[0079] For example, please see again Figure 3The opening width W11 of the isolation opening 900 located in the bent display area AA3 in at least one direction is greater than the opening width W21 of the isolation opening 900 located in the first display area AA1 and / or the second display area AA2 in that direction.

[0080] Accordingly, the area exposed by the isolation structure 140 located in the bent display area AA3 is smaller than the area exposed by the isolation structure 140 located in the first display area AA1 and / or the second display area AA2.

[0081] For example, please see again Figure 3 The minimum width W01 of the isolation structure 140 located between adjacent isolation openings 900 in the bent display area AA3 is less than the minimum width W02 of the isolation structure 140 between adjacent isolation openings 900 in the first display area AA1 and / or the second display area AA2.

[0082] See also: [Information on possible implementations] Figure 4 The display panel also includes a plurality of spaced-apart encapsulation units 170. The encapsulation unit 170 is located on the side of the corresponding light-emitting device 800 away from the substrate 111, and at least a portion of the encapsulation unit 170 is located within the corresponding isolation opening 900.

[0083] Alternatively, at least another portion of the packaging unit 170 is located on the side of the isolation structure 140 away from the substrate 111.

[0084] Optionally, there is a gap between adjacent packaging units 170, and the gap exposes at least a portion of the isolation structure 140 on the side away from the substrate 111.

[0085] Furthermore, the display panel also includes a first encapsulation layer 180 located on the side of the isolation structure 140 and the encapsulation unit 170 away from the substrate 111, at least a portion of the first encapsulation layer 180 being in contact with the encapsulation unit 170.

[0086] Optionally, the material of the encapsulation unit 170 includes inorganic materials, and the material of the first encapsulation layer 180 includes organic materials.

[0087] Optionally, the display panel may also include a second encapsulation layer 190 located on the side of the first encapsulation layer 180 away from the substrate 111.

[0088] Optionally, the material of the second encapsulation layer 190 may include inorganic materials.

[0089] Based on the above design, by setting the opening area of ​​the isolation opening 900 of the bent display area AA3 to be larger than the opening area of ​​the isolation opening 900 of the first display area AA1 and the second display area AA2, the contact area between the organic encapsulation layer (i.e., the first encapsulation layer 180) and the isolation structure 140 can be reduced, and the contact area between the organic encapsulation layer and the inorganic encapsulation unit 170 in the bent display area AA3 can be increased, thereby reducing the risk of film peeling of the organic encapsulation layer and ensuring the encapsulation effectiveness of the display panel.

[0090] In some possible implementations, the display panel further includes a pixel defining layer 130 located between the substrate 111 and the isolation structure 140. The pixel defining layer 130 includes a plurality of pixel openings, the orthographic projection of which onto the substrate 111 lies within the orthographic projection of the corresponding isolation opening 900 onto the substrate 111. That is, the pixel openings and the isolation openings 900 are connected. At least a portion of the light-emitting device 800 is located within the pixel openings.

[0091] The pixel aperture areas corresponding to light-emitting devices 800 of the same emitting color are the same. That is, the pixel aperture areas corresponding to light-emitting devices 800 of the same emitting color located in the first display area AA1, the second display area AA2, and the bent display area AA3 are the same. In this way, it can be ensured that the emitting brightness of the light-emitting devices 800 in different display areas is the same, avoiding the risk of uneven light emission.

[0092] See also: [Information on possible implementations] Figure 5 The pixel defining layer 130 includes a first region 131, the orthographic projection of the first region 131 onto the substrate 111 being outside the orthographic projection of the isolation structure 140 on the side closer to the substrate 111. That is, the first region 131 is the area of ​​the pixel defining layer 130 not covered by the isolation structure 140.

[0093] Additionally, the pixel defining layer 130 may also include a second region 132, the orthographic projection of which onto the substrate 111 lies within the orthographic projection of the side of the isolation structure 140 closest to the substrate 111 onto the substrate 111. That is, the second region 132 is the area in the pixel defining layer 130 covered by the bottom of the isolation structure 140.

[0094] Please see Figure 6 At least a portion of the film layer in the light-emitting device 800 includes a first portion located on the side of the first region 131 away from the substrate 111. For example, at least a portion of the light-emitting functional layer and the second electrode 160 in the light-emitting device 800 extends from within the pixel opening to the first region 131 covering the pixel defining layer 130 to form the first portion 801.

[0095] The area of ​​the first portion 801 of the light-emitting device 800 located in the bent display area AA3 is larger than the area of ​​the first portion 801 of the light-emitting device 800 located in the first display area AA1 and / or the second display area AA2. For example, please refer to Figure 7 The extension distance W13 of the first part 801 of the light-emitting device 800 located in the bent display area AA3 covering the pixel defining layer 130 is greater than the extension distance W23 of the first part 801 of the light-emitting device 800 located in the first display area AA1 and / or the second display area AA2 covering the pixel defining layer 130.

[0096] In addition, at least a portion of the film layer in the light-emitting device 800 also includes a second portion 802 located within the pixel opening.

[0097] See also: [Information on possible implementations] Figure 8 The bent display area AA3 includes a central area AA32 and two edge areas AA31. The two edge areas AA31 are located on both sides of the central area AA32 and are respectively connected to the first display area AA1 and the second display area AA2. For example, the first display area AA1, the bent display area AA3, and the second display area AA2 are arranged sequentially along the first direction D1, and one edge area AA31, the central area AA32, and the other edge area AA31 of the bent display area AA3 are arranged sequentially along the first direction D1.

[0098] In the bent display area AA3, the opening area of ​​at least one isolation opening 900 near the edge area AA31 is smaller than the opening area of ​​at least one isolation opening 900 near the middle area AA32.

[0099] Optionally, the opening area of ​​the isolation opening 900 gradually increases from the edge region AA31 to the middle region AA32.

[0100] Thus, the area of ​​the isolation opening 900 in the bent display area AA3 gradually increases from both sides to the middle, which can reduce the risk of uneven stress caused by the sudden change in the area of ​​the isolation opening 900, or reduce the risk of uneven display caused by the sudden change in voltage drop due to the sudden change in the area of ​​the isolation structure 140.

[0101] See also: [Information on possible implementations] Figure 9 The first display area AA1, the bent display area AA3, and the second display area AA2 are arranged sequentially along the first direction D1. The width W31 of the isolation opening 900 located in the bent area in the first direction D1 is greater than the width W41 of the isolation opening 900 located in the first display area AA1 and / or the second display area AA2 in the first direction D1.

[0102] That is, in this embodiment, when considering increasing the area of ​​the isolation opening 900 located in the bent display area AA3, it is preferable to increase the width of this isolation opening 900 in the first direction D1. In this way, while increasing the opening area of ​​the isolation opening 900, the bending performance of the isolation structure 140 when bending along the first direction D1 can be improved.

[0103] Furthermore, in some possible implementations, the ratio of the width W31 of the isolation opening 900 located in the bending area in the first direction D1 to the width W41 of the isolation opening 900 located in the first display area AA1 and / or the second display area AA2 in the first direction D1 is a first ratio, and the ratio of the width W32 of the isolation opening 900 located in the bending area in the second direction D2 to the width W42 of the isolation opening 900 located in the first display area AA1 and / or the second display area AA2 in the second direction D2 is a second ratio, wherein the first direction D1 is different from the second direction D2;

[0104] The first ratio is greater than the second ratio. That is, (W31 / W41) > (W32 / W42).

[0105] That is, in this embodiment, when considering increasing the area of ​​the isolation opening 900 located in the bent display area AA3, the width of the isolation opening 900 in the first direction D1 and the second direction D2 can be increased simultaneously. However, the increase in the opening width in the first direction D1 can be greater than the increase in the opening width in the second direction D2. In this way, while increasing the opening area of ​​the isolation opening 900, the bending performance of the isolation structure 140 when bending along the first direction D1 can be improved.

[0106] For some possible implementations, please refer again. Figure 3 The minimum width W01 of the isolation structure 140 located between adjacent isolation openings 900 in the bent display area AA3 is greater than or equal to 4 micrometers. This avoids the isolation structure 140 having an excessively small area, which could affect the transmission of electrical signals.

[0107] See also: [Information on possible implementations] Figure 10 The isolation structure 140 includes a support portion 141 and a shielding portion 142 located on the side of the support portion 141 away from the substrate 111. The orthographic projection of the support portion 141 on the substrate 111 is located within the orthographic projection of the shielding portion 142 on the substrate 111.

[0108] Alternatively, under the same etching conditions, the corrosion resistance of the support portion 141 is weaker than that of the shielding portion 142.

[0109] Optionally, the material of the support portion 141 may include aluminum, and / or the material of the shielding portion 142 may include titanium.

[0110] See also: [Information on possible implementations] Figure 11 The isolation structure 140 also includes a receiving portion 143 located between the support portion 141 and the substrate 111.

[0111] Optionally, the orthographic projection of the end of the receiving portion 143 near the isolation opening 900 on the substrate 111 is located within the orthographic projection of the end of the shielding portion 142 near the isolation opening 900 on the substrate 111.

[0112] Optionally, the material of the receiving part 143 includes molybdenum.

[0113] In some possible implementations, the display panel provided in this embodiment may also include film layer structures such as an optical film (e.g., a polarizer), a transparent adhesive layer (e.g., an optical adhesive layer), and a cover plate located on the side of the second encapsulation layer 190 away from the substrate 111.

[0114] This embodiment also provides a display panel; please refer to [link / reference]. Figure 2 The display panel may include a first display area AA1, a second display area AA2, and a bent display area AA3 connecting the first display area AA1 and the second display area AA2.

[0115] The first display area AA1, the second display area AA2, and the bent display area AA3 can all have display functions. The bent display area AA3 can be bent so that the first display area AA1 is folded to the backlight side of the second display area AA2, or so that the light-emitting side of the first display area AA1 is folded to face the light-emitting side of the second display area AA2.

[0116] Please see Figure 4 The display panel may include a substrate 111, an isolation structure 140, multiple light-emitting devices 800, multiple packaging units 170, and a first packaging layer 180.

[0117] In this embodiment, the material of the substrate 111 may include a rigid material, such as glass; or the material of the substrate 111 may include a flexible material, such as polyimide (Pi).

[0118] Optionally, an array functional layer 112 may also be disposed on one side of the substrate 111. The array functional layer 112 may include multiple film layer structures, such as a buffer layer, an active layer, multiple conductive layers, multiple insulating layers, and a planarization layer. The multiple film layer structures of the array functional layer 112 can form multiple thin film transistors (TFTs) and wiring structures at different locations. The thin film transistors can cooperate with each other to form multiple pixel driving units or driving circuits, and the wiring structures provide signals or voltages to the circuits.

[0119] The isolation structure 140 is located on one side of the substrate 111. For example, the isolation structure 140 may be located on the side of the array functional layer 112 away from the substrate 111. The isolation structure 140 encloses and forms a plurality of spaced-apart isolation openings 900.

[0120] The light-emitting devices 800 are located within the corresponding isolation openings 900. The light-emitting devices 800 may include at least two different colors of light-emitting devices 800, for example, the light-emitting colors of the light-emitting devices 800 may include red, blue and green.

[0121] The encapsulation unit 170 is located on the side of the corresponding light-emitting device 800 away from the substrate 111, and at least a portion of the encapsulation unit 170 is located within the corresponding isolation opening 900.

[0122] The first encapsulation layer 180 is located on the side of the isolation structure 140 and the encapsulation unit 170 away from the substrate 111, and at least a portion of the first encapsulation layer 180 is in contact with the encapsulation unit 170.

[0123] The contact area between the first encapsulation layer 180 and the encapsulation unit 170 located in the bent display area AA3 is greater than the contact area between the first encapsulation layer 180 and the encapsulation unit 170 located in the first display area AA1 and / or the second display area AA2.

[0124] This application also provides an electronic device, which includes the display panel provided in this application. The electronic device may include mobile phones, tablets, smart wearable devices, televisions, laptops, monitors, and other devices with display functions.

[0125] In summary, the display panel and electronic device provided in this application, by setting the opening area of ​​the isolation opening in the bent display area to be larger than the opening area of ​​the isolation opening in the first display area and the second display area, can reduce the contact area between the organic encapsulation layer and the isolation structure, increase the contact area between the organic encapsulation layer and the inorganic encapsulation unit in the bent display area, thereby reducing the risk of film peeling of the organic encapsulation layer and ensuring the encapsulation effectiveness of the display panel.

[0126] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0127] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A display panel, characterized in that, The display panel includes a first display area, a second display area, and a bent display area connecting the first display area and the second display area; the display panel includes: Substrate; An isolation structure located on one side of the substrate, the isolation structure enclosing and forming a plurality of isolation openings; Multiple light-emitting devices, at least a portion of which are located within corresponding isolation openings; Specifically, for the isolation openings corresponding to the light-emitting devices of the same emitting color, the opening area of ​​the isolation opening located in the bent display area is greater than the opening area of ​​the isolation opening located in the first display area and / or the second display area.

2. The display panel according to claim 1, characterized in that, The display panel further includes a pixel defining layer located between the substrate and the isolation structure. The pixel defining layer includes a plurality of pixel openings, and the orthographic projection of the pixel openings on the substrate is located within the orthographic projection of the corresponding isolation openings on the substrate. The pixel aperture areas corresponding to the light-emitting devices of the same emission color are the same.

3. The display panel according to claim 2, characterized in that, The pixel defining layer includes a first region, the orthographic projection of which is located on the substrate outside the orthographic projection of the isolation structure on the substrate on the side closest to the substrate. At least a portion of the film layer in the light-emitting device includes a first portion located on the side of the first region away from the substrate; The area of ​​the first portion of the light-emitting device located in the bent display area is larger than the area of ​​the first portion of the light-emitting device located in the first display area and / or the second display area.

4. The display panel according to claim 1, characterized in that, The bent display area includes a central area and two edge areas, with the two edge areas located on both sides of the central area and connected to the first display area and the second display area, respectively. In the bent display area, the opening area of ​​at least one isolation opening near the edge region is smaller than the opening area of ​​at least one isolation opening near the middle region.

5. The display panel according to claim 4, characterized in that, The opening area of ​​the isolation opening gradually increases from the edge region to the middle region.

6. The display panel according to claim 1, characterized in that, The first display area, the bent display area, and the second display area are arranged sequentially along a first direction, and the width of the isolation opening located in the bent area in the first direction is greater than the width of the isolation opening located in the first display area and / or the second display area in the first direction.

7. The display panel according to claim 6, characterized in that, The ratio of the width of the isolation opening located in the bending area in the first direction to the width of the isolation opening located in the first display area and / or the second display area in the first direction is a first ratio value, and the ratio of the width of the isolation opening located in the bending area in the second direction to the width of the isolation opening located in the first display area and / or the second display area in the second direction is a second ratio value, wherein the first direction is different from the second direction; The first ratio is greater than the second ratio.

8. The display panel according to claim 1, characterized in that, The display panel also includes: Multiple spaced-apart packaging units, the packaging units being located on the side of the corresponding light-emitting device away from the substrate, and at least a portion of the packaging units being located within the corresponding isolation opening; Preferably, at least another portion of the packaging unit is located on the side of the isolation structure away from the substrate; Preferably, there is a gap between adjacent packaging units, and the gap exposes at least a portion of the isolation structure on the side away from the substrate.

9. The display panel according to claim 8, characterized in that, The display panel further includes a first encapsulation layer located on the side of the isolation structure and the encapsulation unit away from the substrate, wherein at least a portion of the first encapsulation layer is in contact with the encapsulation unit; Preferably, the material of the packaging unit includes inorganic materials, and the material of the first packaging layer includes organic materials; Preferably, the display panel further includes a second encapsulation layer located on the side of the first encapsulation layer away from the substrate; Preferably, the material of the second encapsulation layer includes inorganic materials.

10. The display panel according to claim 1, characterized in that, The minimum width of the isolation structure located between adjacent isolation openings in the bent display area is less than the minimum width of the isolation structure located between adjacent isolation openings in the first display area and / or the second display area; Preferably, the minimum width of the isolation structure located between adjacent isolation openings in the bent display area is greater than or equal to 4 micrometers.

11. The display panel according to claim 1, characterized in that, The light-emitting device includes a first electrode, a light-emitting functional layer, and a second electrode stacked in a direction away from the substrate; The isolation structure is conductive, and the second electrode is electrically connected to the isolation structure.

12. The display panel according to claim 1, characterized in that, The isolation structure includes a support portion and a shielding portion located on the side of the support portion away from the substrate, wherein the orthographic projection of the support portion on the substrate is located within the orthographic projection of the shielding portion on the substrate; Preferably, under the same etching conditions, the etching resistance of the support portion is weaker than that of the shielding portion; Preferably, the material of the support portion includes aluminum, and / or the material of the shielding portion includes titanium.

13. The display panel according to claim 12, characterized in that, The isolation structure also includes a receiving portion located between the support portion and the substrate; Preferably, the orthographic projection of the end of the receiving portion near the isolation opening on the substrate is located within the orthographic projection of the end of the shielding portion near the isolation opening on the substrate; Preferably, the material of the receiving part includes molybdenum.

14. A display panel, characterized in that, The display panel includes a first display area, a second display area, and a bent display area connecting the first display area and the second display area. The display panel includes: Substrate; An isolation structure located on one side of the substrate, the isolation structure enclosing and forming a plurality of isolation openings; Multiple light-emitting devices, at least a portion of which are located within corresponding isolation openings; Multiple packaging units are located on the side of the corresponding light-emitting device away from the substrate. Each packaging unit includes a body portion located within the isolation opening and an extension portion extending to the isolation structure on the side away from the substrate. A first encapsulation layer located on the side of the encapsulation unit and the isolation structure away from the substrate; Wherein, the contact area between the first encapsulation layer located in the bent display area and the encapsulation unit is greater than the contact area between the first encapsulation layer located in the first display area and / or the second display area and the encapsulation unit.

15. An electronic device, characterized in that, The electronic device includes the display panel as described in any one of claims 1-14.

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