Display panel and display device

Abstract

The application provides a display panel and a display device. The display panel comprises a substrate, an isolation structure and a first wire. The isolation structure is arranged on one side of the substrate and at least partially located in a peep-proof area. The isolation structure encloses a plurality of isolated openings for accommodating light-emitting units. The light-emitting units comprise a second electrode. The second electrode located in the peep-proof area is electrically connected with the isolation structure located in the peep-proof area. The first wire is electrically connected with the isolation structure located in the peep-proof area. The first wire is used for transmitting a power signal. The display panel provided by the application realizes the transmission of the power signal to the second electrode by arranging the isolation structure in the peep-proof area and electrically connecting the first wire with the isolation structure in the peep-proof area, thereby realizing the control of the voltage of the second electrode. The peep-proof effect of the peep-proof area is ensured without adding new driving circuits and auxiliary devices. The display performance of the display panel is improved. The complexity and cost of the circuit are reduced. The yield is improved.

Description

Technical Field

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

[0002] Organic light-emitting diodes (OLEDs) and flat panel displays based on light-emitting diodes (LEDs) 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 range of applications, becoming the mainstream of display devices.

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

[0004] In view of this, the purpose of this application is to provide a display panel that can improve privacy protection and display performance.

[0005] To achieve the above objectives, this application provides a display panel including a display area, the display area including a privacy screen area, and the display panel further including:

[0006] substrate;

[0007] An isolation structure is disposed on one side of the substrate and at least partially located in the privacy protection area. The isolation structure located in the privacy protection area encloses a plurality of isolation openings for accommodating light-emitting units. The light-emitting unit includes a second electrode, and the second electrode located in the privacy protection area is electrically connected to the isolation structure located in the privacy protection area.

[0008] A first trace is electrically connected to the isolation structure located in the privacy zone, and the first trace is used to transmit power signals.

[0009] In one embodiment, the display area further includes a non-privacy area, the isolation structure portion is located in the non-privacy area, the isolation structure in the non-privacy area encloses an isolation opening for accommodating a light-emitting unit, the second electrode in the non-privacy area is electrically connected to the isolation structure in the non-privacy area; the isolation structure in the privacy area and the isolation structure in the non-privacy area are insulated from each other;

[0010] The display panel further includes a second trace, which is electrically connected to the isolation structure in the non-peeping area, and the second trace is used to transmit power signals;

[0011] Preferably, in the first mode, the light-emitting units in the privacy zone and the non-privacy zone emit light; in the second mode, the light-emitting units in the privacy zone emit light, and the light-emitting units in the non-privacy zone do not emit light; in the third mode, the light-emitting units in the privacy zone do not emit light, and the light-emitting units in the non-privacy zone emit light.

[0012] In one embodiment, the display area includes a plurality of privacy protection areas and a plurality of non-privacy protection areas, wherein the privacy protection areas and the non-privacy protection areas are alternately arranged along a first direction;

[0013] Preferably, the isolation structure in each of the privacy zones is electrically connected to the first wiring;

[0014] Preferably, the isolation structure in each of the non-peeping zones is electrically connected to the second wiring;

[0015] Preferably, the privacy protection area and the non-privacy protection area extend along a second direction, and the second direction intersects the first direction;

[0016] Preferably, the second direction is perpendicular to the first direction;

[0017] Preferably, the isolation structures in each of the privacy zones are integrated into one unit;

[0018] Preferably, the isolation structures in each of the non-peeping zones are integrated into one unit.

[0019] In one embodiment, the display panel further includes: a first switch module, a first end of the first switch module receiving the power signal, a second end of the first switch module being connected to the first trace, and a control end of the first switch module receiving a first switch control signal;

[0020] Preferably, the display panel further includes: a second switch module, wherein a first end of the second switch module receives the power signal, a second end of the second switch module is connected to the second trace, and a control end of the second switch module receives a second switch control signal;

[0021] Preferably, in the first mode, the first switch module and the second switch module are turned on; in the second mode, the first switch module is turned on and the second switch module is turned off; in the third mode, the first switch module is turned off and the second switch module is turned on.

[0022] In one embodiment, the display panel further includes:

[0023] A light-shielding structure is disposed in the privacy area, and the light-shielding structure is at least partially disposed around the light-emitting unit in the privacy area;

[0024] Preferably, the light-shielding structure in each privacy zone includes a plurality of light-shielding parts, which are spaced apart along the first direction and extend along the second direction;

[0025] Preferably, the light-shielding structure is disposed on the side of the isolation structure away from the substrate.

[0026] In one embodiment, the first wiring includes a first connecting line and a plurality of first sub-wirings, and the isolation structure in each privacy zone is connected to the first connecting line through the plurality of first sub-wirings;

[0027] Preferably, the first sub-trace is at least partially located between the substrate and the isolation structure in the privacy protection area, and the portion of the first sub-trace located between the substrate and the isolation structure in the privacy protection area is electrically connected to the isolation structure in the privacy protection area;

[0028] Preferably, the connection points of the plurality of first sub-traces to the isolation structure are arranged along the second direction;

[0029] Preferably, the second wiring includes multiple second sub-wirings and second connecting lines, and the isolation structure in each of the non-peeping zones is connected to the second connecting lines through multiple second sub-wirings, and the second connecting lines are connected to the second switch module;

[0030] Preferably, the second sub-trace is at least partially located between the substrate and the isolation structure in the non-spyware area, and the portion of the second sub-trace located between the substrate and the isolation structure in the non-spyware area is electrically connected to the isolation structure in the non-spyware area;

[0031] Preferably, the connection points of the plurality of second sub-routes to the isolation structure are arranged along the second direction.

[0032] In one embodiment, the display panel further includes a non-display area, the non-display area at least partially surrounding the display area, and the first connecting line and the second connecting line are located in the non-display area;

[0033] Preferably, the first connecting line extends along the first direction; the first sub-trace extends along the second direction, and is partially located in the display area and partially located in the non-display area;

[0034] Preferably, the second connecting line extends along the first direction; the second sub-trace extends along the second direction, and is partially located in the display area and partially located in the non-display area;

[0035] Preferably, the first connecting line and the second connecting line are arranged along the second direction.

[0036] In one embodiment, the isolation structure includes a support portion and a crown portion, the crown portion being located on the side of the support portion away from the substrate, the support portion and the crown portion forming the isolation opening, and the second electrode overlapping the support portion;

[0037] Preferably, the area of ​​the support portion projected onto the substrate is smaller than the area of ​​the crown portion projected onto the substrate, and the projection of the support portion onto the substrate is located within the projection of the crown portion onto the substrate.

[0038] In one embodiment, the support portion includes a first sub-support portion and a second sub-support portion. The first sub-support portion is located between the second sub-support portion and the substrate. The orthographic projection area of ​​the first sub-support portion on the substrate is larger than the orthographic projection area of ​​the second sub-support portion on the substrate, and the orthographic projection of the second sub-support portion on the substrate is located within the orthographic projection of the first sub-support portion on the substrate. The second electrode overlaps with the first sub-support portion.

[0039] Preferably, the second electrode also overlaps with the second sub-support portion.

[0040] In one embodiment, the display panel further includes a pixel defining layer located between the substrate and the isolation structure, the pixel defining layer enclosing a pixel opening, the light-emitting unit being at least partially located within the pixel opening, the pixel opening being located within the isolation opening, and the second electrode covering the pixel opening.

[0041] In one embodiment, the light-emitting unit further includes a first electrode and a light-emitting functional layer, wherein the first electrode, the light-emitting functional layer and the second electrode are stacked sequentially along a direction away from the substrate, and the light-emitting functional layer and the second electrode are located within the isolation opening.

[0042] In one embodiment, the display panel further includes a first encapsulation layer that covers the second electrode, wherein the orthographic projection of the first encapsulation layer on the substrate overlaps with the orthographic projection of the isolation structure on the substrate.

[0043] In one embodiment, the display panel further includes:

[0044] The second encapsulation layer is disposed on the side of the first encapsulation layer away from the substrate;

[0045] The third encapsulation layer is disposed on the side of the second encapsulation layer away from the substrate.

[0046] In one embodiment, the isolation opening includes a first type of opening, a second type of opening, and a third type of opening, which are respectively used to accommodate light-emitting units with different emitted light colors.

[0047] Based on the same inventive concept, this application also discloses a display device, which includes the above-described display panel.

[0048] Compared with the prior art, the display panel provided in this application, by setting the isolation structure in the privacy protection area and electrically connecting the first trace to the isolation structure in the privacy protection area, realizes the transmission of power signals to the second electrode, thereby realizing the control of the voltage of the second electrode. Without adding new driving circuits and auxiliary devices, the privacy protection effect of the privacy protection area is guaranteed, the display performance of the display panel is improved, the complexity and cost of the circuit are reduced, and the yield is improved. Attached Figure Description

[0049] To more clearly illustrate the technical solutions in this application or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0050] Figure 1 A schematic diagram of a display panel provided in one embodiment of this application;

[0051] Figure 2 This is a schematic diagram of the film layer structure of a display panel provided in an embodiment of this application;

[0052] Figure 3 A schematic diagram of a display panel provided for another embodiment of this application;

[0053] Figure 4 A schematic diagram of a display panel provided for another embodiment of this application;

[0054] Figure 5 A schematic diagram of the film layer structure of a display panel provided in another embodiment of this application;

[0055] Figure 6 A schematic diagram of a display panel provided for another embodiment of this application;

[0056] Figure 7 A schematic diagram of a display panel provided for another embodiment of this application;

[0057] Figure 8 A schematic diagram of the film layer structure of a display panel provided in another embodiment of this application;

[0058] Figure 9 A schematic diagram of the film layer structure of a display panel provided in another embodiment of this application;

[0059] Figure 10 This is a schematic diagram of the isolation structure of a display panel provided in another embodiment of this application.

[0060] Marker explanation:

[0061] 100. Display panel; 110. Display area; 101. Privacy protection area; 102. Non-privacy protection area; 120. Non-display area;

[0062] 1. Substrate;

[0063] 2. Isolation structure; 21. Isolation opening; 22. Support part; 221. First sub-support part; 222. Second sub-support part; 23. Crown;

[0064] 3. Light-emitting unit; 31. First electrode; 32. Light-emitting functional layer; 33. Second electrode;

[0065] 4. First routing line; 41. First connecting line; 42. First sub-routing line;

[0066] 5. Second routing cable; 51. Second connecting cable; 52. Second sub-routing cable;

[0067] 61. First switch module; 62. Second switch module;

[0068] 7. Pixel delimitation layer; 71. Pixel aperture;

[0069] 8. First encapsulation layer;

[0070] 9. Light-shielding structure; 91. Light-shielding part. Detailed Implementation

[0071] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with specific embodiments and the accompanying drawings.

[0072] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this application should have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "first," "second," and similar terms used in the embodiments of this application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0073] In current automotive displays, there is an increasing demand for active privacy protection, which enhances privacy and driving safety. However, current active privacy protection technologies require new drive circuits and auxiliary devices to control the brightness of light-emitting units in privacy-protected and non-privacy-protected areas, increasing the complexity and cost of the circuitry.

[0074] Based on this, this application provides a display panel solution, as detailed in the following embodiments.

[0075] Reference Figure 1 and 2 As shown, one embodiment of this application discloses a display panel 100, which includes a display area 110, a privacy area 101, and a substrate 1 and an isolation structure 2.

[0076] An isolation structure 2 is disposed on one side of the substrate 1 and is at least partially located in the privacy area 101. The isolation structure 2 located in the privacy area 101 encloses a plurality of isolation openings 21 for accommodating the light-emitting unit 3. The light-emitting unit 3 includes a second electrode 33. The second electrode 33 located in the privacy area 101 is electrically connected to the isolation structure 2 located in the privacy area 101.

[0077] The display panel 100 also includes a first trace 4, which is electrically connected to the isolation structure 2 located in the privacy zone 101. The first trace 4 is used to transmit power signals.

[0078] By setting an isolation structure 2 between the light-emitting units 3 to separate the functional film layers of adjacent light-emitting units 3, in the evaporation process of multiple functional film layers, it is only necessary to perform evaporation on the entire surface of the display panel 100, without using a mask to perform evaporation on the area where the light-emitting units 3 are located to form functional film layers. Therefore, the process of using the isolation structure 2 for evaporation does not need to consider the alignment accuracy problem during evaporation, thereby allowing the gap between the light-emitting units 3 to be designed to be smaller, so as to increase the pixel density.

[0079] The second electrode 33 is electrically connected to the isolation structure 2, so that the isolation structure 2 connects the second electrodes 33 of different light-emitting units 3, thereby making the isolation structure 2 and the second electrodes 33 of the light-emitting units 3 form a common electrode for driving.

[0080] The display panel 100 provided in this application transmits a power signal to the second electrode 33 by placing an isolation structure 2 in the privacy zone 101 and electrically connecting the first trace 4 to the isolation structure 2 in the privacy zone 101, thereby controlling the voltage of the second electrode 33. This ensures the privacy effect of the privacy zone 101 without adding new drive circuits and auxiliary devices, improves the display performance of the display panel 100, reduces circuit complexity and cost, and increases yield. Furthermore, the power signal is an ELVSS signal.

[0081] Please continue to refer to Figure 1 and 2 As shown, in one embodiment, the display area 110 further includes a non-privacy area 102, with the isolation structure 2 partially located in the non-privacy area 102. The isolation structure 2 in the non-privacy area 102 encloses an isolation opening 21 for accommodating the light-emitting unit 3. The second electrode 33 in the non-privacy area 102 is electrically connected to the isolation structure 2 in the non-privacy area 102. The isolation structure 2 in the privacy area 101 and the isolation structure 2 in the non-privacy area 102 are insulated from each other, which facilitates separate control of the voltage of the second electrode 33 in the privacy area 101 and the non-privacy area 102.

[0082] Please refer to Figure 3 As shown, in one embodiment, the display panel 100 further includes a second trace 5, which is electrically connected to the isolation structure 2 in the non-privacy area 102. The second trace 5 is used to transmit power signals. The power signal on the first trace 4 is used to illuminate the light-emitting module in the privacy area 101, and the power signal on the second trace 5 is used to illuminate the light-emitting module in the non-privacy area 102.

[0083] Preferably, in the first mode, the light-emitting unit 3 in the privacy area 101 and the non-privacy area 102 emits light; in the second mode, the light-emitting unit 3 in the privacy area 101 emits light, while the light-emitting unit 3 in the non-privacy area 102 does not emit light; in the third mode, the light-emitting unit 3 in the privacy area 101 does not emit light, while the light-emitting unit 3 in the non-privacy area 102 emits light. The second mode enables privacy protection, while the first mode improves the display effect.

[0084] Please continue to refer to Figure 3 As shown, in one embodiment, the display area 110 includes a plurality of privacy protection areas 101 and a plurality of non-privacy protection areas 102. The privacy protection areas 101 and non-privacy protection areas 102 are alternately arranged along a first direction (as shown by the X direction in the figure) to ensure that there is a sufficiently large light-emitting area in all three modes, thereby improving the display effect.

[0085] Preferably, the isolation structure 2 in each privacy zone 101 is electrically connected to the first wiring 4, so that the power signal can be transmitted to all privacy zones 101 through the first wiring 4.

[0086] Preferably, the isolation structure 2 in each non-peeping zone 102 is electrically connected to the second wiring 5, so that the power signal can be transmitted to all non-peeping zones 102 through the second wiring 5.

[0087] Preferably, the privacy protection area 101 and the non-privacy protection area 102 extend along a second direction (as shown by the Y direction in the figure), and the second direction intersects the first direction; wherein, the first direction and the second direction can be at an angle of 70 degrees, 80 degrees, 85 degrees, etc. In a specific embodiment, the first direction and the second direction are perpendicular to each other, that is, the first direction and the second direction are at a 90-degree angle.

[0088] Preferably, the isolation structures 2 in each privacy zone 101 are integrated so that all the second electrodes 33 in each privacy zone 101 are connected through the isolation structures 2.

[0089] Preferably, the isolation structures 2 in each non-peeping zone 102 are integrated so that all the second electrodes 33 in each non-peeping zone 102 are connected through the isolation structures 2.

[0090] Please refer to Figure 4 and 5 As shown, in one embodiment, the display panel 100 further includes a light-shielding structure 9, which is disposed in the privacy area 101. The light-shielding structure 9 is disposed at least partially around the light-emitting unit 3 in the privacy area 101. By surrounding the light-emitting unit 3 with the light-shielding structure 9, the light emission angle of the light-emitting unit 3 can be reduced, thereby achieving a light-shielding effect.

[0091] Preferably, the light-shielding structure 9 in each privacy zone 101 includes a plurality of light-shielding parts 91, which are spaced apart along a first direction and extend along a second direction. This helps to reduce the light emission angle of the light-emitting unit 3 in the XZ plane and achieves light shielding from both the left and right sides. Here, the Z direction is the thickness direction of the display panel 100.

[0092] Preferably, refer to Figure 5 As shown, the light-shielding structure 9 is disposed on the side of the isolation structure 2 away from the substrate 1. Furthermore, the light-shielding structure 9 is a black matrix block.

[0093] Please refer to Figure 6 As shown, in one embodiment, the display panel 100 further includes a first switch module 61. The first terminal of the first switch module 61 receives a power signal ELVSS, the second terminal of the first switch module 61 is connected to the first trace 4, and the control terminal of the first switch module 61 receives a first switch control signal EM1. The first switch control signal EM1 is used to control the on and off states of the first switch module 61. When the first switch module 61 is on, the power signal ELVSS enters the privacy zone 101 and illuminates the light-emitting unit 3 in the privacy zone 101. When the first switch module 61 is off, the power signal ELVSS cannot enter the privacy zone 101.

[0094] Please continue to refer to Figure 6 As shown, in one embodiment, the display panel 100 further includes a second switch module 62. The first terminal of the second switch module 62 receives a power signal ELVSS, the second terminal of the second switch module 62 is connected to the second trace 5, and the control terminal of the second switch module 62 receives a second switch control signal EM2. The second switch control signal EM2 is used to control the on and off states of the second switch module 62. When the second switch module 62 is on, the power signal ELVSS enters the non-peeping zone 102 and illuminates the light-emitting unit 3 in the non-peeping zone 102. When the second switch module 62 is off, the power signal ELVSS cannot enter the non-peeping zone 102.

[0095] Preferably, in the first mode, the first switch module 61 and the second switch module 62 are turned on; in the second mode, the first switch module 61 is turned on and the second switch module 62 is turned off; in the third mode, the first switch module 61 is turned off and the second switch module 62 is turned on.

[0096] Please refer to Figure 7 and 8 As shown, in one embodiment, the first wiring 4 includes a first connecting line 41 and a plurality of first sub-wirings 42. The isolation structure 2 in each privacy zone 101 is connected to the first connecting line 41 through the plurality of first sub-wirings 42. The first connecting line 41 is connected to the first switch module 61, which helps to reduce voltage drop.

[0097] Preferably, the connection points of the plurality of first sub-routes 42 and the isolation structure 2 are arranged along the second direction to reduce the voltage drop in the second direction.

[0098] Preferably, refer to Figure 8 As shown, the first sub-trace 42 is at least partially located between the substrate 1 and the isolation structure 2 in the privacy protection area 101, and the portion of the first sub-trace 42 located between the substrate 1 and the isolation structure 2 in the privacy protection area 101 is electrically connected to the isolation structure 2 in the privacy protection area 101. Further, the first connection line 41 and the first sub-trace 42 run through the metal layer in the substrate 1.

[0099] In one embodiment, the second wiring 5 includes multiple second sub-wirings 52 and a second connecting line 51. The isolation structure 2 in each non-peeping zone 102 is connected to the second connecting line 51 through multiple second sub-wirings 52. The second connecting line 51 is connected to the second switch module 62, which helps to reduce voltage drop.

[0100] Preferably, the connection points of the plurality of second sub-routes 52 to the isolation structure 2 are arranged along the second direction to reduce the voltage drop in the second direction.

[0101] Preferably, the second sub-trace 52 is at least partially located between the substrate 1 and the isolation structure 2 in the non-spyware area 102, and the portion of the second sub-trace 52 located between the substrate 1 and the isolation structure 2 in the non-spyware area 102 is electrically connected to the isolation structure 2 in the non-spyware area 102. Further, the second connection line 51 and the second sub-trace 52 run through a metal layer in the substrate 1.

[0102] Please continue to refer to Figure 7 As shown, in one embodiment, the display panel 100 further includes a non-display area 120, which at least partially surrounds the display area 110. The first connecting line 41 and the second connecting line 51 are located in the non-display area 120. The non-display area 120 is used for routing the first connecting line 41 and the second connecting line 51 to facilitate the introduction of the power signal ELVSS, the first switch control signal EM1, and the second switch control signal EM2.

[0103] Preferably, the first connecting line 41 extends along a first direction; the first sub-line 42 extends along a second direction, and is partially located in the display area 110 and partially located in the non-display area 120. That is, the first sub-line 42 crosses the boundary between the display area 110 and the non-display area 120 to transmit the power signal ELVSS to the second electrode 33 in the privacy protection area 101.

[0104] Preferably, the second connecting line 51 extends along the first direction; the second sub-line 52 extends along the second direction, and is partially located in the display area 110 and partially located in the non-display area 120. That is, the second sub-line 52 crosses the boundary between the display area 110 and the non-display area 120 to transmit the power signal ELVSS to the second electrode 33 in the non-peeping area 102.

[0105] Preferably, the first connecting line 41 and the second connecting line 51 are arranged along a second direction. Traces in different directions can cross each other at their intersections using a dielectric layer. Simultaneously, traces in different directions can also be routed through different metal layers.

[0106] Please continue to refer to Figure 2 As shown, in one embodiment, the isolation structure 2 includes a support portion 22 and a crown portion 23. The crown portion 23 is located on the side of the support portion 22 away from the substrate 1. The support portion 22 and the crown portion 23 enclose each other to form an isolation opening 21. The second electrode 33 overlaps with the support portion 22. The second electrodes 33 in different light-emitting units 3 are connected through the support portion 22.

[0107] Preferably, the area of ​​the support portion 22 projected onto the substrate 1 is smaller than the area of ​​the crown portion 23 projected onto the substrate 1, and the projection of the support portion 22 onto the substrate 1 is located within the projection of the crown portion 23 onto the substrate 1. Thus, at least the portion of the isolation structure 2 away from the substrate 1 is configured with a shape that is wider at the top and narrower at the bottom, thereby enabling the isolation structure 2 to block the light-emitting functional layer 32 of adjacent light-emitting units 3, thereby reducing the current crosstalk problem between adjacent light-emitting units 3.

[0108] Please continue to refer to Figure 2 As shown, in one embodiment, the display panel 100 further includes a pixel defining layer 7, which is located between the substrate 1 and the isolation structure 2. The pixel defining layer 7 encloses a pixel opening 71, and the light-emitting unit 3 is at least partially located within the pixel opening 71. The pixel opening 71 is located within the isolation opening 21, and the second electrode 33 covers the pixel opening 71. The pixel defining layer 7 determines the shape and position of the light-emitting unit 3 and isolates the first electrode 31 from the isolation structure 2, thereby allowing the first electrode 31 to have a larger design area without contacting the isolation structure 2, thus enabling the light-emitting unit 3 to have a larger effective light-emitting area.

[0109] Please continue to refer to Figure 2As shown, in one embodiment, the light-emitting unit 3 further includes a first electrode 31 and a light-emitting functional layer 32. The first electrode 31, the light-emitting functional layer 32, and the second electrode 33 are sequentially stacked along a direction away from the substrate 1, and the light-emitting functional layer 32 and the second electrode 33 are located within the isolation opening 21. By configuring different voltages on the first electrode 31 and the second electrode 33, a voltage difference is formed between the first electrode 31 and the second electrode 33, driving the light-emitting functional layer 32 to emit light. Optionally, the first electrode 31 is an anode, and the second electrode 33 is a cathode.

[0110] Please refer to Figure 9 and 10 As shown, in one embodiment, the support portion 22 includes a first sub-support portion 221 and a second sub-support portion 222. The first sub-support portion 221 is located between the second sub-support portion 222 and the substrate 1. The orthographic projection area of ​​the first sub-support portion 221 on the substrate 1 is larger than the orthographic projection area of ​​the second sub-support portion 222 on the substrate 1, and the orthographic projection of the second sub-support portion 222 on the substrate 1 is located within the orthographic projection of the first sub-support portion 221 on the substrate 1. The second electrode 33 overlaps with the first sub-support portion 221, which helps to ensure the stability of the electrical connection between the second electrode 33 and the support portion 22.

[0111] Preferably, the second electrode 33 also overlaps with the second sub-support 222, which helps to increase the overlap area and further improve the overlap effect.

[0112] Please continue to refer to Figure 9 As shown, in one embodiment, the display panel 100 further includes a first encapsulation layer 8, which covers the second electrode 33. The orthographic projection of the first encapsulation layer 8 on the substrate 1 overlaps with the orthographic projection of the isolation structure 2 on the substrate 1. The first encapsulation layer 8 is used to protect the second electrode 33.

[0113] In one embodiment, the display panel 100 further includes a second encapsulation layer and a third encapsulation layer. The second encapsulation layer is disposed on the side of the first encapsulation layer 8 away from the substrate 1, and the third encapsulation layer is disposed on the side of the second encapsulation layer away from the substrate 1. The first and third encapsulation layers are inorganic layers, with high density to isolate water and oxygen. The second encapsulation layer is an organic layer, thus having a larger thickness to planarize the surface of the display panel, achieving an inorganic-organic-inorganic three-layer encapsulation.

[0114] In one embodiment, the isolation opening 21 includes a first type of opening, a second type of opening, and a third type of opening. These openings are respectively used to accommodate light-emitting units 3 with different emitted light colors, enhancing the richness of the display on the display panel 100. For example, the light-emitting units 3 of different colors include light-emitting unit R, light-emitting unit B, and light-emitting unit G. Furthermore, the first type of opening, the second type of opening, and the third type of opening can be configured as needed, and their sizes may differ; no specific limitation is imposed.

[0115] Another embodiment of this application discloses a display device, which includes the display panel 100 in the above embodiment. The display device can be used on smart devices (such as mobile phones, VR devices, computers, televisions, vehicle displays, etc.).

[0116] In this embodiment, the display panel 100 of the display device transmits power signals to the second electrode 33 by placing the isolation structure 2 in the privacy zone 101 and electrically connecting the first trace 4 to the isolation structure 2 in the privacy zone 101, thereby controlling the voltage of the second electrode 33. This ensures the privacy effect of the privacy zone 101 without adding new driving circuits and auxiliary devices, improves the display performance of the display panel 100, reduces the complexity and cost of the circuit, improves the yield, and enhances the display performance of the display device.

[0117] Patent applications CN118251982A, 202410864269.8, PCT / CN2024 / 098407, PCT / CN2024 / 102783, PCT / CN2024 / 098217, PCT / CN2024 / 099419, PCT / CN2024 / 099072, CN117979755A, CN11799 CN1900A, CN117062489A, CN117580403A, CN116583155A, CN116669477A, ​​CN117396039A, CN116669480A, CN116600606A, and CN117500332A describe relevant technical solutions for the isolation structure 2, the contents of which are incorporated herein by reference.

[0118] Although this application has been described in conjunction with specific embodiments thereof, many substitutions, modifications and variations of these embodiments will be apparent to those skilled in the art from the foregoing description.

[0119] It should be noted that the above description describes some embodiments of this application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in a different order than that shown in the above embodiments and still achieve the desired result. Furthermore, the processes depicted in the drawings do not necessarily require a specific or sequential order to achieve the desired result. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0120] The embodiments of this application are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the embodiments of this application should be included within the protection scope of this application.

Claims

1. A display panel, characterized in that, The display panel includes a display area, which includes a privacy screen area, and further includes: substrate; An isolation structure is disposed on one side of the substrate and at least partially located in the privacy protection area. The isolation structure located in the privacy protection area encloses a plurality of isolation openings for accommodating light-emitting units. The light-emitting unit includes a second electrode, and the second electrode located in the privacy protection area is electrically connected to the isolation structure located in the privacy protection area. A first trace is electrically connected to the isolation structure located in the privacy zone, and the first trace is used to transmit power signals; The display area also includes a non-privacy area, and the isolation structure is located in the non-privacy area. The isolation structure in the non-privacy area encloses an isolation opening for accommodating the light-emitting unit. The second electrode in the non-privacy area is electrically connected to the isolation structure in the non-privacy area. The isolation structure in the privacy area and the isolation structure in the non-privacy area are insulated from each other.

2. The display panel as described in claim 1, characterized in that, The display panel also includes a second trace, which is electrically connected to the isolation structure in the non-peeping area, and the second trace is used to transmit power signals.

3. The display panel as described in claim 2, characterized in that, In the first mode, the light-emitting units in the privacy protection area and the non-privacy protection area emit light; In the second mode, the light-emitting unit in the privacy protection area emits light, while the light-emitting unit in the non-privacy protection area does not emit light; In the third mode, the light-emitting unit in the privacy zone does not emit light, while the light-emitting unit in the non-privacy zone emits light.

4. The display panel as described in claim 3, characterized in that, The display area includes a plurality of privacy protection areas and a plurality of non-privacy protection areas, wherein the privacy protection areas and the non-privacy protection areas are alternately arranged along a first direction; the privacy protection areas and the non-privacy protection areas extend along a second direction, wherein the second direction intersects the first direction.

5. The display panel as described in claim 4, characterized in that, The isolation structure in each of the privacy zones is electrically connected to the first wiring.

6. The display panel as described in claim 4, characterized in that, The isolation structure in each of the non-peeping zones is electrically connected to the second wiring.

7. The display panel as described in claim 4, characterized in that, The second direction is perpendicular to the first direction.

8. The display panel as described in claim 4, characterized in that, The isolation structures in each of the privacy zones are connected as one unit.

9. The display panel as described in claim 4, characterized in that, The isolation structures in each of the non-peeping zones are connected as one unit.

10. The display panel as claimed in claim 4, characterized in that, The display panel also includes: A light-shielding structure is disposed in the privacy area, and the light-shielding structure is at least partially disposed around the light-emitting unit in the privacy area.

11. The display panel as claimed in claim 10, characterized in that, The light-blocking structure in each privacy zone includes a plurality of light-blocking portions, which are spaced apart along the first direction and extend along the second direction.

12. The display panel as claimed in claim 10, characterized in that, The light-shielding structure is disposed on the side of the isolation structure away from the substrate.

13. The display panel as claimed in claim 4, characterized in that, The display panel further includes: a first switch module, a first end of the first switch module receiving the power signal, a second end of the first switch module being connected to the first trace, and a control end of the first switch module receiving a first switch control signal; The display panel further includes: a second switch module, wherein a first end of the second switch module receives the power signal, a second end of the second switch module is connected to the second trace, and a control end of the second switch module receives a second switch control signal; In the first mode, the first switch module and the second switch module are turned on; in the second mode, the first switch module is turned on and the second switch module is turned off; in the third mode, the first switch module is turned off and the second switch module is turned on.

14. The display panel as claimed in claim 13, characterized in that, The first wiring includes a first connecting line and multiple first sub-wirings. The isolation structure in each privacy zone is connected to the first connecting line through multiple first sub-wirings. The first connecting line is connected to the first switch module. The second wiring includes multiple second sub-wirings and second connecting lines. Each isolation structure in the non-peeping zone is connected to the second connecting line through multiple second sub-wirings, and the second connecting line is connected to the second switch module.

15. The display panel as claimed in claim 14, characterized in that, The first sub-trace is at least partially located between the substrate and the isolation structure in the privacy zone, and the portion of the first sub-trace located between the substrate and the isolation structure in the privacy zone is electrically connected to the isolation structure in the privacy zone.

16. The display panel as claimed in claim 14, characterized in that, The connection points of the plurality of first sub-routes to the isolation structure are arranged along the second direction.

17. The display panel as claimed in claim 14, characterized in that, The second sub-trace is at least partially located between the substrate and the isolation structure in the non-spyware area, and the portion of the second sub-trace located between the substrate and the isolation structure in the non-spyware area is electrically connected to the isolation structure in the non-spyware area.

18. The display panel as claimed in claim 14, characterized in that, The connection points of the multiple second sub-routes to the isolation structure are arranged along the second direction.

19. The display panel as claimed in claim 14, characterized in that, The display panel also includes a non-display area, which at least partially surrounds the display area, and the first connecting line and the second connecting line are located in the non-display area.

20. The display panel as claimed in claim 19, characterized in that, The first connecting line extends along the first direction; the first sub-trace extends along the second direction, and is partially located in the display area and partially located in the non-display area.

21. The display panel as claimed in claim 19, characterized in that, The second connecting line extends along the first direction; the second sub-trace extends along the second direction, and is partially located in the display area and partially located in the non-display area.

22. The display panel as claimed in claim 19, characterized in that, The first connecting line and the second connecting line are arranged along the second direction.

23. The display panel as claimed in claim 1, characterized in that, The isolation structure includes a support portion and a crown portion. The crown portion is located on the side of the support portion away from the substrate. The support portion and the crown portion together form the isolation opening. The second electrode overlaps with the support portion.

24. The display panel as claimed in claim 23, characterized in that, The area of ​​the support portion projected onto the substrate is smaller than the area of ​​the crown portion projected onto the substrate, and the projection of the support portion onto the substrate is located within the projection of the crown portion onto the substrate.

25. The display panel as claimed in claim 24, characterized in that, The support portion includes a first sub-support portion and a second sub-support portion. The first sub-support portion is located between the second sub-support portion and the substrate. The orthographic projection area of ​​the first sub-support portion on the substrate is larger than the orthographic projection area of ​​the second sub-support portion on the substrate, and the orthographic projection of the second sub-support portion on the substrate is located within the orthographic projection of the first sub-support portion on the substrate. The second electrode overlaps with the first sub-support portion.

26. The display panel as claimed in claim 25, characterized in that, The second electrode also overlaps with the second sub-support.

27. The display panel as claimed in 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 encloses a pixel opening, and the light-emitting unit is at least partially located within the pixel opening. The pixel opening is located within the isolation opening, and the second electrode covers the pixel opening.

28. The display panel as claimed in claim 1, characterized in that, The light-emitting unit further includes a first electrode and a light-emitting functional layer. The first electrode, the light-emitting functional layer, and the second electrode are stacked sequentially along the direction away from the substrate. The light-emitting functional layer and the second electrode are located within the isolation opening.

29. The display panel as claimed in claim 1, characterized in that, The display panel further includes a first encapsulation layer that covers the second electrode, wherein the orthographic projection of the first encapsulation layer on the substrate overlaps with the orthographic projection of the isolation structure on the substrate.

30. The display panel as claimed in claim 29, characterized in that, The display panel also includes: The second encapsulation layer is disposed on the side of the first encapsulation layer away from the substrate; The third encapsulation layer is disposed on the side of the second encapsulation layer away from the substrate.

31. The display panel as claimed in claim 1, characterized in that, The isolation opening includes a first type of opening, a second type of opening, and a third type of opening, which are used to accommodate light-emitting units with different emitted light colors.

32. A display device, characterized in that, The display device includes a display panel as described in any one of claims 1-31.

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