Display panel and display device

Abstract

The invention provides a display panel and a display device, relates to the technical field of display, and reduces the risk of transverse crosstalk between adjacent sub-pixels. The display panel comprises a substrate, a pixel definition layer and at least one isolation unit, the pixel definition layer is arranged on one side of the substrate, and the pixel definition layer comprises a plurality of pixel openings; the at least one isolation unit is stacked on one side, far away from the substrate, of the pixel definition layer, the isolation unit surrounds the periphery of the pixel opening, and the isolation unit comprises at least one opening, so that a common layer between the original adjacent sub-pixels is isolated by using the isolation unit, and the isolation effect of the common layer is enhanced by the opening; therefore, the risk of transverse crosstalk between the adjacent sub-pixels is reduced, the luminous efficiency of the sub-pixels is improved, and the chromatic aberration phenomenon is improved.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0002] In recent years, organic light-emitting display panels have gradually become the mainstream products in the display field. Due to their advantages such as high image quality, power saving, thin body and wide range of applications, they are widely used in various consumer electronic products such as mobile phones, televisions, laptops, desktop computers, etc.

[0003] However, there is a problem of lateral crosstalk between adjacent sub-pixels in current display panels. Summary of the invention

[0004] In order to solve the above technical problems, the present application is proposed. The embodiments of the present application provide a display panel and a display device, which reduce the risk of lateral crosstalk between adjacent sub-pixels.

[0005] In a first aspect, an embodiment of the present application provides a display panel, which includes a substrate, a pixel definition layer and at least one isolation unit, wherein the pixel definition layer is disposed on one side of the substrate, and the pixel definition layer includes a plurality of pixel openings; at least one isolation unit is disposed on a side of the pixel definition layer away from the substrate, and the isolation unit surrounds the periphery of the pixel opening, and the isolation unit includes at least one opening.

[0006] In combination with the first aspect, in certain implementations of the first aspect, the display panel also includes a plurality of sub-pixels, the sub-pixels are located within the pixel openings, the plurality of sub-pixels include a first color sub-pixel and a second color sub-pixel, and for adjacent first color sub-pixels and second color sub-pixels, if a side of the first color sub-pixel close to the second color sub-pixel corresponds to at least one opening, and a side of the second color sub-pixel close to the first color sub-pixel also corresponds to at least one opening, then the opening corresponding to the first color sub-pixel close to the second color sub-pixel and the opening corresponding to the second color sub-pixel close to the first color sub-pixel have no overlapping orthographic projections in the arrangement direction of the first color sub-pixel and the second color sub-pixel.

[0007] In combination with the first aspect, in certain implementations of the first aspect, the isolation unit includes a first isolation column and a second isolation column arranged at intervals, an opening is formed in an area between a first end of the first isolation column and a second end of the second isolation column close to the first end, and the first isolation column and the second isolation column are symmetrical about the symmetry axis of the pixel opening.

[0008] Preferably, the orthographic projection shape of the pixel opening on the substrate is a rectangle.

[0009] In combination with the first aspect, in some implementations of the first aspect, the at least one opening includes a first opening and a second opening, and the first opening and the second opening are respectively located on different sides of the pixel opening.

[0010] Preferably, the first opening and the second opening are respectively located on two opposite sides of the pixel opening.

[0011] In combination with the first aspect, in certain implementations of the first aspect, the pixel opening includes a first symmetry axis extending in a direction parallel to a direction pointing from one of the two opposite sides to the other side, the first opening includes a second symmetry axis extending in a direction parallel to a direction pointing from one of the two opposite sides to the other side, and the second opening includes a third symmetry axis extending in a direction parallel to a direction pointing from one of the two opposite sides to the other side; the second symmetry axis and the third symmetry axis are located on the same side of the first symmetry axis; or the second symmetry axis and the third symmetry axis are respectively located on both sides of the first symmetry axis; or one of the second symmetry axis and the third symmetry axis coincides with the first symmetry axis, and the other is located on one side of the first symmetry axis.

[0012] In combination with the first aspect, in certain implementations of the first aspect, the display panel further includes a plurality of sub-pixels, the plurality of sub-pixels correspond one-to-one to the plurality of pixel openings, the sub-pixels are located within the pixel openings, and the sub-pixels include a plurality of stacked light-emitting units.

[0013] Preferably, the light-emitting unit comprises a hole transport layer, a light-emitting layer and an electron transport layer which are stacked in a direction gradually away from the substrate.

[0014] Preferably, the plurality of light emitting units include a first light emitting unit and a second light emitting unit.

[0015] In combination with the first aspect, in certain implementations of the first aspect, the sub-pixel further includes a plurality of charge generation layers, and the charge generation layers are stacked between adjacent light-emitting units.

[0016] Preferably, the charge generating layer is separated from the isolation unit.

[0017] In combination with the first aspect, in some implementations of the first aspect, a cross-sectional shape of the isolation unit in a thickness direction of the substrate is a trapezoid or a rectangle.

[0018] Preferably, the height of the isolation unit in the thickness direction of the substrate is 1 to 10 microns.

[0019] Preferably, the wall thickness of the isolation unit in an orthographic projection on the substrate is 1 to 10 microns.

[0020] In combination with the first aspect, in some implementations of the first aspect, the display panel further includes an encapsulation layer, and the encapsulation layer is disposed on a side of the isolation unit away from the substrate.

[0021] Preferably, the orthographic projection of the encapsulation layer on the substrate covers the orthographic projection of the pixel definition layer on the substrate and the orthographic projection of at least one isolation unit on the substrate.

[0022] In a second aspect, an embodiment of the present application provides a display device, and the display device includes a display panel provided by any of the above embodiments.

[0023] The display panel provided in the embodiment of the present application includes a substrate, a pixel definition layer and at least one isolation unit, wherein the pixel definition layer is arranged on one side of the substrate, and the pixel definition layer includes a plurality of pixel openings; at least one isolation unit is arranged on the side of the pixel definition layer away from the substrate, and the isolation unit surrounds the periphery of the pixel opening, and the isolation unit includes at least one opening, so that the common layer between adjacent sub-pixels is isolated by the isolation unit, and the opening enhances the isolation effect of the common layer, thereby reducing the risk of lateral crosstalk between adjacent sub-pixels, thereby improving the luminous efficiency of the sub-pixels and improving the color difference phenomenon. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] By describing the embodiments of the present application in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0025] Figure 1 Shown is a schematic diagram of a top view of the structure of a display panel provided in an embodiment of the present application.

[0026] Figure 2 Shown along Figure 1 Schematic diagram of the cross-sectional structure of line N1-N2.

[0027] Figure 3 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application.

[0028] Figure 4 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application.

[0029] Figure 5 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application.

[0030] Figure 6 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application.

[0031] Figure 7 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application.

[0032] Figure 8 Shown is a schematic structural diagram of a sub-pixel provided in an embodiment of the present application.

[0033] Fig. 9 The other side is shown Figure 1 Schematic diagram of the cross-sectional structure of line N1-N2.

[0034] Figures 10a to 10e Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application.

[0035] Fig.11 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application.

[0036] Fig.12 Shown is a schematic structural diagram of a display device provided in one embodiment of the present application.

[0037] Figure numerals: display panel 100; substrate 110; pixel definition layer PDL; pixel opening PDL1; isolation unit 120; opening K; first color sub-pixel G; second color sub-pixel B; third color sub-pixel R; first isolation column 121; second isolation column 122; first end 1211; second end 1221; first opening K1; second opening K2; first symmetry axis O1; second symmetry axis O2; third symmetry axis O3; sub-pixel A; light-emitting unit A1; hole transport layer HTL; light-emitting layer EML; electron transport layer ETL; first light-emitting unit A11; second light-emitting unit A12; charge generation layer CGL; encapsulation layer C; display device 10. DETAILED DESCRIPTION

[0038] In the display panel provided by the related technology, the display panel includes multiple sub-pixels, and the sub-pixels include a common layer. The common layer connects the various sub-pixels, resulting in that when a sub-pixel emits light, it affects the light emission of sub-pixels adjacent to the sub-pixel, thereby resulting in low light emission efficiency of the sub-pixel and serious color difference.

[0039] Especially when the sub-pixel includes multiple stacked light-emitting units and a charge generating layer, and the charge generating layer is stacked in the display panel between adjacent light-emitting units, the charge generating layer, as a common layer, has strong conductivity and can easily cause lateral crosstalk between adjacent sub-pixels, resulting in low luminous efficiency of the sub-pixel and serious color difference.

[0040] In order to solve the above technical problems, the present application is proposed. The present application provides a display panel, the display panel includes a substrate, a pixel definition layer and at least one isolation unit, the pixel definition layer is stacked on one side of the substrate, the pixel definition layer includes a plurality of pixel openings; at least one isolation unit is stacked on the side of the pixel definition layer away from the substrate, the isolation unit surrounds the periphery of the pixel opening, and the isolation unit includes at least one opening, so that the isolation unit is used to isolate the common layer between adjacent sub-pixels, and the opening enhances the isolation effect of the common layer, thereby reducing the risk of lateral crosstalk between adjacent sub-pixels, thereby improving the luminous efficiency of the sub-pixels and improving the color difference phenomenon.

[0041] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0042] In addition, in order to better illustrate the present application, numerous specific details are given in the following specific embodiments. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods and means well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0044] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0045] Figure 1 FIG. 1 is a schematic diagram of a top view of a display panel provided in an embodiment of the present application. Figure 2 Shown along Figure 1 Schematic diagram of the cross-sectional structure of the N1-N2 line. Figure 1 and 2 As shown, an embodiment of the present application provides a display panel 100, which includes a substrate 110, a pixel definition layer PDL and at least one isolation unit 120. The pixel definition layer PDL is arranged on one side of the substrate 110, and the pixel definition layer PDL includes a plurality of pixel openings PDL1; at least one isolation unit 120 is arranged on a side of the pixel definition layer PDL away from the substrate 110, and the isolation unit 120 surrounds the periphery of the pixel opening PDL1, and the isolation unit 120 includes at least one opening K.

[0046] The display panel 100 provided in the embodiment of the present application utilizes the isolation unit 120 to isolate the common layer between adjacent sub-pixels, and the opening K enhances the isolation effect of the common layer, thereby reducing the risk of lateral crosstalk between adjacent sub-pixels, thereby improving the luminous efficiency of the sub-pixels and improving the color difference phenomenon.

[0047] It should be noted that Figure 1 Only one pixel opening PDL1 in the display panel 100 and the isolation unit 120 surrounding the pixel opening PDL1 are shown. The arrangement of other pixel openings PDL1 and the isolation unit 120 can refer to Figure 1 The arrangement manner of the pixel opening PDL1 and the isolation unit 120 is shown in FIG.

[0048] Figure 3 FIG. 2 is a schematic diagram of a top view of a display panel provided by another embodiment of the present application. Figure 3 As shown, in the display panel 100 provided in the embodiment of the present application, the display panel 100 also includes a plurality of sub-pixels A, the sub-pixel A is located in the pixel opening PDL1, the plurality of sub-pixels A include a first color sub-pixel G and a second color sub-pixel B, and for adjacent first color sub-pixels G and second color sub-pixels B, if the side of the first color sub-pixel G close to the second color sub-pixel B corresponds to at least one opening K, and the side of the second color sub-pixel B close to the first color sub-pixel G also corresponds to at least one opening K, then the opening K corresponding to the first color sub-pixel G close to the second color sub-pixel B and the opening K corresponding to the second color sub-pixel B close to the first color sub-pixel G do not overlap in their orthographic projections in the arrangement direction of the first color sub-pixel G and the second color sub-pixel B.

[0049] The plurality of sub-pixels A further include a third color sub-pixel R. The first color sub-pixel G, the second color sub-pixel B and the third color sub-pixel R constitute a pixel unit. Figure 3 , Figure 3 Only one pixel unit in the display panel 100 and the isolation unit 120 surrounding the periphery of the first color sub-pixel G, the isolation unit 120 surrounding the periphery of the second color sub-pixel B, and the isolation unit 120 surrounding the periphery of the third color sub-pixel R are shown. Of course, the arrangement of other pixel units and isolation units 120 can refer to Figure 3 The arrangement of the pixel unit and the isolation unit 120 is shown in FIG.

[0050] The first color sub-pixel G may be a green sub-pixel, the second color sub-pixel B may be a blue sub-pixel, and the third color sub-pixel R may be a red sub-pixel.

[0051] The display panel 100 provided in the embodiment of the present application is configured such that the orthographic projections of the opening K corresponding to the first color sub-pixel G and the opening K corresponding to the second color sub-pixel B and the opening K corresponding to the second color sub-pixel B and the opening K corresponding to the first color sub-pixel G in the arrangement direction of the first color sub-pixel G and the second color sub-pixel B do not overlap, that is, the openings K corresponding to the first color sub-pixel G and the second color sub-pixel B and located between the first color sub-pixel G and the second color sub-pixel B are not arranged directly opposite each other, thereby enhancing the isolation effect of the common layer between adjacent sub-pixels A of different colors, increasing the possibility of no conductive film layer between adjacent sub-pixels A of different colors, thereby further reducing the risk of lateral crosstalk between adjacent sub-pixels A, further improving the luminous efficiency of the sub-pixels A, and further improving the color difference phenomenon.

[0052] Figure 4 FIG. 2 is a schematic diagram of a top view of a display panel provided by another embodiment of the present application. Figure 4 As shown, in the display panel 100 provided in the embodiment of the present application, the isolation unit 120 includes a first isolation column 121 and a second isolation column 122 arranged at intervals, and an opening K is formed in the area between the first end 1211 of the first isolation column 121 and the second end 1221 of the second isolation column 122 close to the first end 1211, and the first isolation column 121 and the second isolation column 122 are symmetrical about the symmetry axis of the pixel opening PDL1.

[0053] refer to Figure 4 , Figure 4 Only one pixel opening PDL1 in the display panel 100 and the isolation unit 120 surrounding the pixel opening PDL1 are shown. The arrangement of other pixel openings PDL1 and the isolation unit 120 can refer to Figure 4 The arrangement manner of the pixel opening PDL1 and the isolation unit 120 is shown in FIG.

[0054] The embodiment of the present application provides an arrangement method of the isolation unit 120, and the isolation unit 120 is symmetrical about the symmetry axis of the pixel opening PDL1. Specifically, the first isolation column 121 and the second isolation column 122 are symmetrical about the symmetry axis of the pixel opening PDL1, so that the common layer between adjacent sub-pixels A is isolated by the first isolation column 121 and the second isolation column 122, that is, the common layer between adjacent sub-pixels A is isolated at the side walls of the first isolation column 121 and the second isolation column 122, and two openings K are formed between the end of the first isolation column 121 and the end of the second isolation column 122, and the two openings K further enhance the isolation effect of the common layer, thereby further reducing the risk of lateral crosstalk between adjacent sub-pixels A, further improving the luminous efficiency of the sub-pixels A, and further improving the color difference phenomenon.

[0055] Of course, the isolation unit 120 may also include any even number of isolation columns greater than two, and the even number of isolation columns are symmetrical about the symmetry axis of the pixel opening PDL1 .

[0056] refer to Figure 4 Preferably, the orthographic projection shape of the pixel opening PDL1 on the substrate 110 is a rectangle.

[0057] refer to Figure 1 , 3 and 4. In the display panel 100 provided in the embodiment of the present application, at least one opening K includes a first opening K1 and a second opening K2, and the first opening K1 and the second opening K2 are respectively located on different sides of the pixel opening PDL1, thereby utilizing the first opening K1 and the second opening K2 located on different sides of the pixel opening PDL1 to improve the uniformity of the common layer isolation effect.

[0058] Preferably, the first opening K1 and the second opening K2 are respectively located on two opposite sides of the pixel opening PDL1 , thereby further improving the uniformity of the common layer isolation effect.

[0059] Figure 5 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application. Figure 6 Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application. Figure 7 FIG. 2 is a schematic diagram of a top view of a display panel provided by another embodiment of the present application. Figures 5 to 7 As shown, in the display panel 100 provided in the embodiment of the present application, the pixel opening PDL1 includes a first symmetry axis O1 extending in a direction parallel to the direction from one of the two opposite sides to the other side, the first opening K1 includes a second symmetry axis O2 extending in a direction parallel to the direction from one of the two opposite sides to the other side, and the second opening K2 includes a third symmetry axis O3 extending in a direction parallel to the direction from one of the two opposite sides to the other side; the second symmetry axis O2 and the third symmetry axis O3 are located on the same side of the first symmetry axis O1 (as shown in FIG. Figure 5 or the second symmetry axis O2 and the third symmetry axis O3 are located on both sides of the first symmetry axis O1 (as shown); Figure 6 or one of the second symmetry axis O2 and the third symmetry axis O3 coincides with the first symmetry axis O1, and the other is located on one side of the first symmetry axis O1 (as shown in Figure 7 shown).

[0060] refer to Figures 5 to 7 , Figure 5 , Figure 6 , Figure 7Taking a pixel opening PDL1 in the display panel 100 and an isolation unit 120 surrounding the pixel opening PDL1 as examples, three other arrangements of the isolation unit 120 are provided. The isolation unit 120 is an asymmetric structure, which also achieves the purpose of isolating the common layer between adjacent sub-pixels A, that is, the common layer between adjacent sub-pixels A is isolated at the side walls of the first isolation column 121 and the second isolation column 122, and two openings K are formed between the end of the first isolation column 121 and the end of the second isolation column 122. The two openings K further enhance the isolation effect of the common layer, thereby further reducing the risk of lateral crosstalk between adjacent sub-pixels A, further improving the luminous efficiency of the sub-pixel A, and further improving the color difference phenomenon. The embodiment of the present application improves the diversity of the position of the opening K in the isolation unit 120.

[0061] Figure 8 FIG. 1 is a schematic diagram of the structure of a sub-pixel provided in an embodiment of the present application. Figure 8 As shown, in the display panel 100 provided in the embodiment of the present application, the display panel 100 also includes a plurality of sub-pixels A, the plurality of sub-pixels A correspond one-to-one to a plurality of pixel openings PDL1, the sub-pixels A are located within the pixel openings PDL1, and the sub-pixels A include a plurality of stacked light-emitting units A1.

[0062] The sub-pixel A includes a plurality of stacked light-emitting units A1. The display panel 100 formed by such a sub-pixel A structure has low power consumption and a long lifespan. However, such a sub-pixel A structure is more prone to lateral crosstalk between adjacent sub-pixels A. Therefore, the isolation unit 120 provided in the embodiment of the present application surrounds the periphery of the sub-pixel A including the plurality of stacked light-emitting units A1, and particularly solves the problem of lateral crosstalk between adjacent sub-pixels A that is prone to occur in such a sub-pixel A structure, thereby achieving the purpose of reducing power consumption and extending lifespan, and reducing the risk of lateral crosstalk between adjacent sub-pixels A, thereby improving the luminous efficiency of the sub-pixel A and improving the color difference phenomenon.

[0063] refer to Figure 8 Preferably, the light-emitting unit A1 includes a hole transport layer HTL, a light-emitting layer EML and an electron transport layer ETL stacked in a direction gradually away from the substrate 110. Further preferably, the plurality of light-emitting units A1 include a first light-emitting unit A11 and a second light-emitting unit A12. Of course, the sub-pixel A may also include more than two stacked light-emitting units A1, and the number of stacked light-emitting units A1 may be set according to actual needs, which is not further limited in the embodiments of the present application.

[0064] refer to Figure 8 In the display panel 100 provided in the embodiment of the present application, the sub-pixel A further includes a plurality of charge generation layers CGL, and the charge generation layers CGL are stacked between adjacent light emitting units A1.

[0065] The charge generation layer CGL is used to generate holes and electrons, wherein the holes move to the light-emitting unit A1 on the side of the charge generation layer CGL away from the substrate 110, and the electrons move to the light-emitting unit A1 on the side of the charge generation layer CGL close to the substrate 110, so that adjacent light-emitting units A1 are connected in series through the charge generation layer CGL therebetween.

[0066] Preferably, the charge generation layer CGL is isolated by the isolation unit 120, thereby isolating the charge generation layer CGL between adjacent sub-pixels A, thereby reducing the risk of lateral crosstalk between adjacent sub-pixels A, thereby improving the luminous efficiency of the sub-pixels A and improving the color difference phenomenon.

[0067] refer to Figure 8 In some embodiments, the subpixel A further includes a first electrode P1 and a second electrode P2, wherein the first electrode P1 is located between the light emitting unit A1 closest to the substrate 110 and the substrate 110, and the second electrode P2 is located on the side of the light emitting unit A1 farthest from the substrate 110 away from the substrate 110.

[0068] The first electrode P1 may be an anode, and the second electrode P2 may be a cathode.

[0069] In some embodiments, the cross-sectional shape of the isolation unit 120 in the thickness direction of the substrate 110 is a trapezoid or a rectangle (see Figure 2 ).

[0070] refer to Figure 2 Preferably, a height h of the isolation unit 120 in the thickness direction of the substrate 110 is 1 to 10 microns.

[0071] refer to Figure 4 Preferably, the wall thickness d of the isolation unit 120 projected on the substrate 110 is 1 to 10 microns.

[0072] Fig. 9 The other side is shown Figure 1 Schematic diagram of the cross-sectional structure of the N1-N2 line. Fig. 9 As shown, in the display panel 100 provided in the embodiment of the present application, the display panel 100 further includes an encapsulation layer C, which is stacked on the side of the isolation unit 120 away from the substrate 110. Preferably, the orthographic projection of the encapsulation layer C on the substrate 110 covers the orthographic projection of the pixel definition layer PDL on the substrate 110 and the orthographic projection of at least one isolation unit 120 on the substrate 110.

[0073] The encapsulation layer C protects the internal film layer from being affected by the external environment, such as moisture, dust, chemicals, etc., which is beneficial to extending the service life of the display panel 100 and improving the stability of the display panel 100 .

[0074] Figures 10a to 10e Shown is a schematic diagram of a top view of the structure of a display panel provided in another embodiment of the present application. Figures 10a to 10e The surrounding modes of the isolation unit 120 corresponding to each sub-pixel A in the other five pixel units are shown. In actual application, the isolation unit 120 with other surrounding modes can also be designed according to actual needs.

[0075] like Fig.10a and 10b As shown, the first spacer column 121 and the second spacer column 122 are symmetrical with respect to the symmetry axis of the pixel opening PDL1 .

[0076] like Fig.10c As shown, for the third color sub-pixel R, the first isolation column 121 and the second isolation column 122 are symmetrical about the symmetry axis of the pixel opening PDL1; for the first color sub-pixel G and the second color sub-pixel B, the second symmetry axis O2 and the third symmetry axis O3 are located on the same side of the first symmetry axis O1.

[0077] like Fig.10d and 10e As shown, for the third color sub-pixel R, the first isolation column 121 and the second isolation column 122 are symmetrical about the symmetry axis of the pixel opening PDL1; for the first color sub-pixel G and the second color sub-pixel B, the second symmetry axis O2 and the third symmetry axis O3 are respectively located on both sides of the first symmetry axis O1.

[0078] Fig.11 FIG. 2 is a schematic diagram of a top view of a display panel provided by another embodiment of the present application. Fig.11 As shown, Fig.10a Taking the pixel unit and isolation unit 120 as an example, the array is arranged to obtain Fig.11 A plurality of pixel units and a plurality of isolation units 120 are shown.

[0079] Fig.12 FIG. 1 is a schematic diagram of the structure of a display device provided by an embodiment of the present application. Fig.12 As shown, an embodiment of the present application provides a display device 10, which includes a display panel 100 provided by any of the above embodiments. The technical principles and effects produced are similar and will not be repeated here.

[0080] It is understandable that the display panel 100 can be applied to a display device 10, which can be, for example, a mobile terminal, a tablet computer, a computer monitor, a television, a wearable device, an information query machine, or any other product or component with a display function.

[0081] The basic principles of the present application are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present application are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present application. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, not for limitation, and the above details do not limit the present application to being implemented by adopting the above specific details.

[0082] It should also be noted that, in the present application, each component or each step can be decomposed and / or recombined. These decompositions and / or recombinations should be regarded as equivalent solutions of the present application. Although multiple exemplary aspects and embodiments have been discussed above, those skilled in the art will recognize some variations, modifications, changes, additions and sub-combinations thereof.

Claims

1. A display panel, characterized in that: include: substrate; A pixel definition layer, disposed on one side of the substrate, the pixel definition layer comprising a plurality of pixel openings; At least one isolation unit is stacked on a side of the pixel definition layer away from the substrate. The isolation unit surrounds the periphery of the pixel opening and includes at least one opening.

2. The display panel according to claim 1, characterized in that: It also includes multiple sub-pixels, which are located in the pixel opening, and the multiple sub-pixels include a first color sub-pixel and a second color sub-pixel. For adjacent first color sub-pixels and second color sub-pixels, if the side of the first color sub-pixel close to the second color sub-pixel corresponds to at least one of the openings, and the side of the second color sub-pixel close to the first color sub-pixel also corresponds to at least one of the openings, then the opening corresponding to the first color sub-pixel close to the second color sub-pixel and the opening corresponding to the second color sub-pixel close to the first color sub-pixel do not overlap in their orthographic projections in the arrangement direction of the first color sub-pixel and the second color sub-pixel.

3. The display panel according to claim 1, characterized in that: The isolation unit comprises a first isolation column and a second isolation column arranged at intervals, the opening is formed in a region between a first end of the first isolation column and a second end of the second isolation column close to the first end, and the first isolation column and the second isolation column are symmetrical about a symmetry axis of the pixel opening; Preferably, the orthographic projection shape of the pixel opening on the substrate is a rectangle.

4. The display panel according to claim 1, characterized in that: The at least one opening comprises a first opening and a second opening, wherein the first opening and the second opening are respectively located at different sides of the pixel opening; Preferably, the first opening and the second opening are respectively located on two opposite sides of the pixel opening.

5. The display panel according to claim 4, characterized in that: The pixel opening includes a first symmetry axis extending in a direction parallel to a direction from one of the two opposite sides to the other side, the first opening includes a second symmetry axis extending in a direction parallel to a direction from one of the two opposite sides to the other side, and the second opening includes a third symmetry axis extending in a direction parallel to a direction from one of the two opposite sides to the other side; the second symmetry axis and the third symmetry axis are located on the same side of the first symmetry axis; or The second symmetry axis and the third symmetry axis are respectively located on two sides of the first symmetry axis; or One of the second symmetry axis and the third symmetry axis coincides with the first symmetry axis, and the other is located on one side of the first symmetry axis.

6. The display panel according to any one of claims 1 to 5, characterized in that: Also comprising a plurality of sub-pixels, the plurality of sub-pixels corresponding to the plurality of pixel openings one by one, the sub-pixels being located within the pixel openings, and the sub-pixels comprising a plurality of overlapping light-emitting units; Preferably, the light-emitting unit comprises a hole transport layer, a light-emitting layer and an electron transport layer stacked in a direction gradually away from the substrate; Preferably, the plurality of light emitting units include a first light emitting unit and a second light emitting unit.

7. The display panel according to claim 6, characterized in that: The sub-pixel further includes a plurality of charge generation layers, and the charge generation layers are stacked between adjacent light-emitting units; Preferably, the charge generating layer is separated from the isolation unit.

8. The display panel according to any one of claims 1 to 5, characterized in that: The cross-sectional shape of the isolation unit in the thickness direction of the substrate is a trapezoid or a rectangle; Preferably, the height of the isolation unit in the thickness direction of the substrate is 1 to 10 microns; Preferably, the wall thickness of the isolation unit as projected onto the substrate is 1 to 10 microns.

9. The display panel according to any one of claims 1 to 5, characterized in that: It also includes a packaging layer, which is stacked on a side of the isolation unit away from the substrate; Preferably, the orthographic projection of the encapsulation layer on the substrate covers the orthographic projection of the pixel definition layer on the substrate and the orthographic projection of the at least one isolation unit on the substrate.

10. A display device, characterized in that: A display panel comprising any one of claims 1 to 9.

Images