Display panel and manufacturing method thereof, and display device

Abstract

A display panel and a manufacturing method thereof and a display device. The display panel includes a substrate, a plurality of sub-pixels are arranged on the substrate, at least some of the plurality of sub-pixels include a light-emitting layer; at least two sub-pixels arranged continuously in the plurality of sub-pixels constitute a sub-pixel group, and in each sub-pixel group of at least some of the sub-pixel groups, the light-emitting layer materials of at least two sub-pixels arranged continuously are the same and are an integrated structure; at least some of the sub-pixel groups include at least two sub-pixel groups that emit light of different colors. The display panel can reduce the area of ​​the non-luminous region, and the PPI and aperture ratio of the display panel are improved.

Description

Technical Field

[0001] At least one embodiment of the present disclosure relates to a display panel, a manufacturing method thereof, and a display device. Background Art

[0002] At present, high PPI (Pixels Per Inch, representing pixel density) display is the development direction of display technology. For AMOLED (Active-matrix organic light emitting diode) light-emitting display, the high-density pixel arrangement increases the difficulty of the evaporation process of the pixel array, and the process limit limits the further improvement of PPI. At the same time, in the display panel, usually as the pixel arrangement increases with the increase of PPI, the aperture ratio will be significantly reduced, and the life of the display panel will also be reduced. Summary of the invention

[0003] At least one embodiment of the present disclosure provides a display panel, which includes a base substrate, on which a plurality of sub-pixels are arranged, and at least some of the plurality of sub-pixels include a light-emitting layer; at least two sub-pixels arranged consecutively among the plurality of sub-pixels constitute a sub-pixel group, and in each of at least some of the sub-pixel groups, the light-emitting layer materials of at least two sub-pixels arranged consecutively are the same and are an integrated structure; the at least some of the sub-pixel groups include at least two sub-pixel groups that emit light of different colors, respectively.

[0004] For example, in a display panel provided by an embodiment of the present disclosure, a plurality of pixels are arranged on the substrate, each of the plurality of pixels includes a plurality of sub-pixels, and the plurality of sub-pixels of one pixel include: a first sub-pixel, a second sub-pixel, and a third sub-pixel. The first sub-pixel includes a first light-emitting layer, wherein the first light-emitting layer emits a first color light; the second sub-pixel includes a second light-emitting layer, wherein the second light-emitting layer emits a second color light; the third sub-pixel includes a third light-emitting layer, wherein the third light-emitting layer emits a third color light, and the colors of the first color light, the second color light, and the third color light are different from each other; at least two of the first sub-pixels are arranged in series and constitute a first sub-pixel group; at least two of the second sub-pixels are arranged in series and constitute a second sub-pixel group; at least two of the third sub-pixels are arranged in series and constitute a third sub-pixel group; and the at least part of the sub-pixel group includes at least two of the first sub-pixel group, the second sub-pixel group, and the third sub-pixel group.

[0005] For example, in a display panel provided by an embodiment of the present disclosure, in at least part of each of the first sub-pixel groups, the first light-emitting layers of the first sub-pixels arranged in series are an integrated structure; in at least part of each of the second sub-pixel groups, the second light-emitting layers of the second sub-pixels arranged in series are an integrated structure; and in at least part of each of the third sub-pixel groups, the third light-emitting layers of the third sub-pixels arranged in series are an integrated structure.

[0006] For example, in the display panel provided by one embodiment of the present disclosure, in each of the at least part of the first sub-pixel group, the planar shape of the integrated structure formed by the first light-emitting layers of two consecutively arranged first sub-pixels includes a hexagon, an octagon, an ellipse, a rhombus, or a shuttle shape; and / or, in each of the at least part of the third sub-pixel group, the planar shape of the integrated structure formed by the third light-emitting layers of two consecutively arranged third sub-pixels includes a hexagon, an octagon, an ellipse, a rhombus, or a shuttle shape.

[0007] For example, in a display panel provided by an embodiment of the present disclosure, in at least part of each of the first sub-pixel groups, the first light-emitting layers of the first sub-pixels arranged in series are an integrated structure; in at least part of each of the second sub-pixel groups, the second light-emitting layers of the second sub-pixels arranged in series are not an integrated structure; and in at least part of each of the third sub-pixel groups, the third light-emitting layers of the third sub-pixels arranged in series are an integrated structure.

[0008] For example, in a display panel provided by an embodiment of the present disclosure, the area of ​​the light-emitting layer of the second sub-pixel is larger than the area of ​​the light-emitting layer of the first sub-pixel and larger than the area of ​​the light-emitting layer of the third sub-pixel.

[0009] For example, in a display panel provided by an embodiment of the present disclosure, the shorter bottom side of the first light-emitting layer of the first sub-pixel and the shorter bottom side of the third light-emitting layer of the third sub-pixel adjacent to the first sub-pixel are close to and opposite to each other.

[0010] For example, the display panel provided in one embodiment of the present disclosure also includes a pixel defining layer, the pixel defining layer includes a plurality of openings and a main body defining the plurality of openings, wherein the plurality of openings correspond one-to-one to the plurality of sub-pixels; in each sub-pixel group of the at least part of the sub-pixel groups, the light-emitting layer of each sub-pixel includes an effective portion located within the corresponding opening of the pixel defining layer, and an edge portion located on the main body of the pixel defining layer.

[0011] For example, in the display panel provided by an embodiment of the present disclosure, a first distance between the edges where the effective parts of two first sub-pixels arranged consecutively in each of the first sub-pixel groups are close to and opposite to each other, a second distance between the edges where the effective parts of two second sub-pixels arranged consecutively in each of the second sub-pixel groups are close to and opposite to each other, and a third distance between the edges where the effective parts of two third sub-pixels arranged consecutively in each of the third sub-pixel groups are close to and opposite to each other are substantially equal.

[0012] For example, in a display panel provided by an embodiment of the present disclosure, the first distance, the second distance, and the third distance are respectively less than or equal to 8 μm.

[0013] For example, in a display panel provided by an embodiment of the present disclosure, the planar shape of the effective part of the first sub-pixel, the planar shape of the effective part of the second sub-pixel, and the planar shape of the effective part of the third sub-pixel are respectively consistent with the planar shape of the first light-emitting layer as a whole, the planar shape of the second light-emitting layer as a whole, and the planar shape of the third light-emitting layer as a whole.

[0014] For example, in the display panel provided by an embodiment of the present disclosure, in each of the at least part of the first sub-pixel groups, the planar shape of each effective part of the first sub-pixels arranged in succession is a trapezoid, and the longer bottom sides of the effective parts of two consecutively arranged first light-emitting layers are close to and opposite to each other; and / or, in each of the at least part of the third sub-pixel groups, the planar shape of each effective part of the third sub-pixels arranged in succession is a trapezoid, and the longer bottom sides of the effective parts of two consecutively arranged third light-emitting layers are close to and opposite to each other.

[0015] For example, in a display panel provided by an embodiment of the present disclosure, the planar shape of the effective part of the first light-emitting layer, the planar shape of the effective part of the second light-emitting layer, and the planar shape of the effective part of the third light-emitting layer are all rectangular.

[0016] For example, in the display panel provided by an embodiment of the present disclosure, in each sub-pixel group of at least part of the sub-pixel groups, the sides of the effective part correspond one-to-one with the sides of the outer contour of the edge part, each pair of corresponding sides of the effective part and the outer contour of the edge part are close to and opposite to each other, and the spacing between each pair of corresponding sides of the effective part and the outer contour of the edge part is less than or equal to 9 μm.

[0017] For example, in the display panel provided in an embodiment of the present disclosure, in the first sub-pixel, the second sub-pixel, and the third sub-pixel, the spacing between the edge of the effective part and the edge of the outer contour of the edge part is equal.

[0018] For example, in a display panel provided by an embodiment of the present disclosure, the pixel array includes a plurality of sub-pixel rows extending along a first direction, a plurality of first sub-pixel columns extending along a second direction, and a plurality of second sub-pixel columns extending along the second direction, each of the second sub-pixel columns being located between the first sub-pixel columns arranged in succession, and the second direction intersects with the first direction; in each of the first sub-pixel columns, the first sub-pixel groups and the third sub-pixel groups are arranged alternately; in each of the second sub-pixel columns, a plurality of the second sub-pixel groups are arranged in sequence; and the second light-emitting layer of the second sub-pixel group and the second light-emitting layer of the second sub-pixel group arranged in succession with the second sub-pixel group are not an integral structure.

[0019] For example, in the display panel provided by one embodiment of the present disclosure, there is a gap between the second light-emitting layer of the second sub-pixel group and the second light-emitting layer of the second sub-pixel group arranged continuously with the second sub-pixel group; the distance between two adjacent effective parts in the second light-emitting layer of the integrated structure of the second sub-pixel group is smaller than the distance between the effective parts of two adjacent second light-emitting layers having the gap between them.

[0020] For example, in the display panel provided by one embodiment of the present disclosure, the ratio of the area of ​​the effective part of each of the first sub-pixels to the area of ​​the entire light-emitting layer of each of the first sub-pixels is 17%; the ratio of the area of ​​the effective part of each of the second sub-pixels to the area of ​​the entire light-emitting layer of each of the second sub-pixels is 21%; the ratio of the area of ​​the effective part of each of the third sub-pixels to the area of ​​the entire light-emitting layer of each of the third sub-pixels is 30%.

[0021] For example, in the display panel provided by one embodiment of the present disclosure, a first sub-pixel and a third sub-pixel located adjacent to each other in one of the first sub-pixel columns, and a second sub-pixel located in the second sub-pixel column adjacent to the one first sub-pixel column constitute a pixel; or, a first sub-pixel, a second sub-pixel and a third sub-pixel located in the first sub-pixel group, the second sub-pixel group and the third sub-pixel group respectively arranged continuously in the first direction constitute a pixel.

[0022] For example, in the display panel provided by one embodiment of the present disclosure, the multiple pixels are arranged periodically in the first direction and the second direction respectively; in one of the pixels, the first sub-pixel, the second sub-pixel and the third sub-pixel are not aligned in the second direction, and the edge of the second sub-pixel close to the first sub-pixel and the third sub-pixel overlaps with the edges of the first sub-pixel and the third sub-pixel close to the second sub-pixel.

[0023] For example, in the display panel provided by an embodiment of the present disclosure, a plurality of the second sub-pixels located in the same row overlap in the second direction, and a plurality of the second sub-pixels located in the same column overlap in the first direction.

[0024] For example, in a display panel provided by an embodiment of the present disclosure, the longest direction of the effective part of at least one of the first sub-pixel, the second sub-pixel and the third sub-pixel has an angle with the first direction or the second direction, and the angle is greater than zero and less than or equal to 45 degrees.

[0025] For example, in a display panel provided by an embodiment of the present disclosure, the length of the effective part of the second sub-pixel in the second direction is greater than the length of the effective part of the first sub-pixel in the second direction, and greater than the length of the effective part of the third sub-pixel in the second direction.

[0026] For example, in the display panel provided by one embodiment of the present disclosure, in each of the first sub-pixel groups, effective parts of the first light-emitting layers of two consecutively arranged first sub-pixels are symmetrical with respect to a first symmetry axis extending along the first direction; and / or, in each of the second sub-pixel groups, effective parts of the second light-emitting layers of two consecutively arranged second sub-pixels are symmetrical with respect to a second symmetry axis extending along the first direction; and / or, in each of the third sub-pixel groups, effective parts of the third light-emitting layers of two consecutively arranged third sub-pixels are symmetrical with respect to a third symmetry axis extending along the first direction.

[0027] For example, in a display panel provided by an embodiment of the present disclosure, the geometric centers of the planar shapes of the first sub-pixel group, the second sub-pixel group and the third sub-pixel group arranged in the first direction and located in the same row are basically located on the same straight line extending along the first direction.

[0028] For example, in the display panel provided by an embodiment of the present disclosure, in each of the first sub-pixel groups, the effective part of each first sub-pixel includes a near edge close to the first axis of symmetry and a far edge away from the first axis of symmetry, and the length of the near edge of the effective part of each first sub-pixel is greater than the length of the far edge of each first sub-pixel; and / or, in each of the third sub-pixel groups, the effective part of each third sub-pixel includes a near edge close to the third axis of symmetry and a far edge away from the third axis of symmetry, and the length of the near edge of the effective part of each third sub-pixel is greater than the length of the far edge of the effective part of each third sub-pixel.

[0029] For example, in the display panel provided by an embodiment of the present disclosure, at least two of the distance from the near edge of the effective part of each first sub-pixel of each first sub-pixel group to the second axis of symmetry, the distance from the near edge of the effective part of each second sub-pixel of each second sub-pixel group to the second axis of symmetry, and the distance from the near edge of the effective part of each third sub-pixel of each third sub-pixel group to the third axis of symmetry are basically equal.

[0030] For example, in a display panel provided by an embodiment of the present disclosure, the first direction is the width direction of each sub-pixel, and the effective part of each second sub-pixel has a first width, a second width and a third width in the first direction that are successively away from the second symmetry axis, the second width is greater than the first width, and the third width is greater than the first width.

[0031] For example, in a display panel provided by an embodiment of the present disclosure, the first direction is the width direction of each sub-pixel, and the second direction is the length direction of each sub-pixel; in one of the pixels, the aspect ratio of the effective part of the second sub-pixel is greater than the aspect ratio of the effective part of the third sub-pixel, and greater than the aspect ratio of the effective part of the first sub-pixel.

[0032] For example, in a display panel provided in an embodiment of the present disclosure, the width of the effective part of the second sub-pixel in the width direction is smaller than the width of the effective part of the first sub-pixel in the width direction, and smaller than the width of the effective part of the third sub-pixel in the width direction.

[0033] For example, in a display panel provided by an embodiment of the present disclosure, the length of the second sub-pixel in the length direction is greater than the length of the first sub-pixel in the length direction, and greater than the length of the third sub-pixel in the length direction.

[0034] For example, in a display panel provided in one embodiment of the present disclosure, the aspect ratio of the effective part of the first sub-pixel is 1:2.5 to 1:1, the aspect ratio of the effective part of the second sub-pixel is 9:1 to 2:1, and the aspect ratio of the effective part of the third sub-pixel is 3:1 to 1:1.

[0035] For example, in a display panel provided by an embodiment of the present disclosure, the planar shape of the effective part of the second light-emitting layer is a polygon, and the planar shape of the effective part of the second light-emitting layer includes a first parallel edge and a second parallel edge, the first parallel edge is parallel to at least one edge of the effective part of the first light-emitting layer adjacent to the second light-emitting layer, and the second parallel edge is parallel to at least one edge of the effective part of the third light-emitting layer adjacent to the second light-emitting layer.

[0036] For example, in a display panel provided in one embodiment of the present disclosure, the effective portion of the second light-emitting layer has a symmetry axis in the same direction as the effective portions of the first light-emitting layer and the third light-emitting layer, or the effective portion of the second light-emitting layer does not have a symmetry axis in the same direction as the effective portions of the first light-emitting layer and the third light-emitting layer.

[0037] For example, in the display panel provided by one embodiment of the present disclosure, in the first direction, the light-emitting layer of the second sub-pixel group is in contact with the light-emitting layers of the first sub-pixel group and the third sub-pixel group adjacent thereto, respectively; in the second direction, the light-emitting layer of the first sub-pixel group is in contact with the light-emitting layer of the third sub-pixel group adjacent thereto.

[0038] For example, in the display panel provided by an embodiment of the present disclosure, in at least one second sub-pixel group, the planar shape of the integrated structure formed by the second light-emitting layers of two consecutively arranged second sub-pixels has a first size, a second size and a third size in the first direction, the first size, the second size and the third size are arranged sequentially in the second direction, and the first size is larger than the second size, the third size is larger than the second size, and the maximum length of the planar shape of the integrated structure formed by the second light-emitting layers of two consecutively arranged second sub-pixels in the second direction is larger than its maximum width in the first direction.

[0039] At least one embodiment of the present disclosure further provides a display device, which includes any one of the display panels provided in the embodiments of the present disclosure.

[0040] At least one embodiment of the present disclosure also provides a method for manufacturing a display panel, which comprises: providing a base substrate; and forming a plurality of sub-pixels on the base substrate, wherein at least some of the plurality of sub-pixels include a light-emitting layer, wherein the light-emitting layer of the plurality of sub-pixels is formed by a composition process using a mask, and the mask includes a plurality of mask openings; at least two sub-pixels arranged continuously among the plurality of sub-pixels constitute a sub-pixel group, and in the composition process, the light-emitting layer of each sub-pixel group in at least some of the sub-pixel groups is formed using the same mask opening among the plurality of mask openings and is made of the same material; and the at least some of the sub-pixel groups include at least two sub-pixel groups that emit light of different colors, respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0042] Figure 1AA schematic diagram of the structure of a display panel provided by an embodiment of the present disclosure;

[0043] Figure 1B for Figure 1A A comparison diagram of the aperture ratio and pixel density of the display panel shown and the aperture ratio and pixel density of a common display panel;

[0044] Figure 2A A schematic diagram of the structure of another display panel provided by an embodiment of the present disclosure;

[0045] Figure 2B Schematic diagram 1 of the planar shape of an integrated structure consisting of first light-emitting layers of two first sub-pixels arranged continuously;

[0046] Figure 2C A second schematic diagram of a planar shape of an integrated structure formed by first light-emitting layers of two first sub-pixels arranged continuously;

[0047] Figure 2D Schematic diagram 3 of the planar shape of an integrated structure consisting of the first light-emitting layers of two first sub-pixels arranged continuously;

[0048] Figure 2E Schematic diagram 4 of the planar shape of an integrated structure consisting of the first light-emitting layers of two first sub-pixels arranged continuously;

[0049] Figure 2F A schematic diagram of a planar shape of an integrated structure formed by second light-emitting layers of two second sub-pixels arranged continuously;

[0050] Figure 3A A schematic diagram of the structure of another display panel provided by an embodiment of the present disclosure;

[0051] Figure 3B for Figure 3A A comparison diagram of the aperture ratio and pixel density of the display panel shown and the aperture ratio and pixel density of a common display panel;

[0052] Figure 4A A schematic diagram of the structure of another display panel provided by an embodiment of the present disclosure;

[0053] Figure 4B for Figure 4A A comparison diagram of the aperture ratio and pixel density of the display panel shown and the aperture ratio and pixel density of a common display panel;

[0054] Figure 5 A schematic diagram of the structure of another display panel provided in an embodiment of the present disclosure;

[0055] Figure 6 A method and a method for Figure 5Schematic diagram of the structure of display panels with different pixel densities;

[0056] Fig. 7A Schematic diagram 1 of the position of the anode hole of a sub-pixel of a pixel;

[0057] Figure 7B Schematic diagram 2 of the position of the anode hole of a sub-pixel of a pixel;

[0058] Figure 8 A schematic diagram of a display device provided by an embodiment of the present disclosure;

[0059] Fig. 9 A schematic diagram of a mask used in a method for manufacturing a display panel provided by an embodiment of the present disclosure;

[0060] Fig. 10A is a schematic diagram of a film layer structure of an exemplary pixel array;

[0061] Fig. 10B FIG. 4 is a schematic diagram of a film layer structure of another exemplary pixel array. DETAILED DESCRIPTION

[0062] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0063] Unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by persons of ordinary skill in the field to which the invention belongs. The words "first", "second" and similar terms used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Inside", "outside", "upper", "lower" and the like 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.

[0064] The drawings in this disclosure are not drawn strictly according to the actual scale, and the number of pixels in the display panel and the number of sub-pixels in each pixel are not limited to the number shown in the drawings. The specific size and number of each structure can be determined according to actual needs. The drawings described in this disclosure are only schematic diagrams of the structures.

[0065] At least one embodiment of the present disclosure provides a display panel, the display panel includes a substrate, a plurality of sub-pixels are arranged on the substrate, at least some of the plurality of sub-pixels include a light-emitting layer; at least two sub-pixels arranged continuously in the plurality of sub-pixels constitute a sub-pixel group, in each of at least some of the sub-pixel groups, the light-emitting layer materials of at least two sub-pixels arranged continuously are the same and are an integrated structure; at least some of the sub-pixel groups include at least two sub-pixel groups that emit light of different colors. The display panel can reduce the area of ​​the non-light-emitting region, and the PPI and aperture ratio of the display panel are improved.

[0066] For example, Figure 1A A schematic diagram of the structure of a display panel provided by an embodiment of the present disclosure; Figure 1B for Figure 1A The comparison diagram of the aperture ratio and pixel density of the display panel shown in FIG. 1 and the aperture ratio and pixel density of a conventional display panel. Figure 1A As shown, the display panel 10 provided by at least one embodiment of the present disclosure includes a base substrate 1, on which a plurality of pixels 11 arranged in an array are arranged; each of the plurality of pixels 11 includes a plurality of sub-pixels 11 / 12 / 13, for example, each of the plurality of sub-pixels 11 / 12 / 13 includes a light-emitting element, and the light-emitting element includes a light-emitting layer 21 / 22 / 23; at least two sub-pixels arranged continuously in the plurality of sub-pixels 11 / 12 / 13 constitute a sub-pixel group 31 / 32 / 33, and in each sub-pixel group of at least part of the sub-pixel groups 31 / 32 / 33, the light-emitting layers of at least two sub-pixels arranged continuously are made of the same material, for example, emit light of the same color, and the light-emitting layers of at least two sub-pixels arranged continuously are an integrated structure. Thus, in the process of forming the light-emitting layer by a patterning process such as an evaporation process, the light-emitting layer of the integrated structure can be formed by the same opening of a mask. Usually, due to process reasons, in the process of forming a light-emitting layer of the same color through a composition process, there is a gap between the light-emitting layers of adjacent sub-pixels formed by different openings of the mask, while there is no such gap between the light-emitting layers of at least two sub-pixels arranged continuously and formed by the same opening, thereby reducing the area of ​​the non-luminous region, which is beneficial to improving the PPI and aperture ratio of the display panel.

[0067] For example, the light emitting element is an electroluminescent device, such as an organic light emitting diode (OLED) device.

[0068] For example, Figure 1A For example, each of the multiple pixels includes three sub-pixels, and two sub-pixels arranged in succession constitute a sub-pixel group. Figure 1AAs shown, each of the plurality of pixels includes a plurality of sub-pixels including: a first sub-pixel 11, a second sub-pixel 12, and a third sub-pixel 13. The first sub-pixel 11 includes a first light-emitting layer 21, and the first light-emitting layer 21 emits a first color light; the second sub-pixel 12 includes a second light-emitting layer 22, and the second light-emitting layer 22 emits a second color light; the third sub-pixel 13 includes a third light-emitting layer 23, and the third light-emitting layer 23 emits a third color light, and the colors of the first color light, the second color light, and the third color light are different from each other. For example, the first light-emitting layer emits red light, the second light-emitting layer emits green light, and the third light-emitting layer emits blue light. For example, two first sub-pixels 11 are arranged in succession to form a first sub-pixel group 31; two second sub-pixels 12 are arranged in succession to form a second sub-pixel group 32; two third sub-pixels 13 are arranged in succession to form a third sub-pixel group 33; and the above-mentioned at least part of the sub-pixel group includes at least one of the first sub-pixel group 31, the second sub-pixel group 32 and the third sub-pixel group 33, that is, the above-mentioned technical effect can be achieved to a certain extent; or, the above-mentioned at least part of the sub-pixel group includes at least two of the first sub-pixel group 31, the second sub-pixel group 32 and the third sub-pixel group 33, that is, the above-mentioned at least part of the sub-pixel group includes at least two sub-pixel groups that emit light of different colors.

[0069] For example, Figure 1A In at least one embodiment, in each of at least part of the first sub-pixel groups 31, the first light-emitting layers 21 of the continuously arranged first sub-pixels 11 are an integrated structure, for example, the first light-emitting layers 21 of two adjacent first sub-pixels 11 in one first sub-pixel group 31 are made of the same material and have no gap or seam between them, and are formed by using the same material in the same patterning process through the same opening of the mask, for example, by deposition or evaporation through the same opening of the mask; in each of at least part of the second sub-pixel groups 32, the second light-emitting layers 22 of the continuously arranged second sub-pixels 12 are an integrated structure, for example, the first light-emitting layers 21 of two adjacent first sub-pixels 11 in one second sub-pixel group 32 are made of the same material and have no gap or seam between them, and are formed by using the same material in the same patterning process through the same opening of the mask; The second light-emitting layers 22 of the pixels 12 are made of the same material and have no gaps or seams between them. They are formed by using the same material in the same patterning process through the same opening of the mask, for example, by deposition or vapor deposition through the same opening of the mask; and, in each of at least part of the third sub-pixel groups 33, the third light-emitting layers of the continuously arranged third sub-pixels 14 are an integrated structure. For example, the third light-emitting layers 23 of two adjacent third sub-pixels 13 in a third sub-pixel group 33 are made of the same material and have no gaps or seams between them. They are formed by using the same material in the same patterning process through the same opening of the mask, for example, by deposition or vapor deposition through the same opening of the mask. In this way, the above-mentioned reduction in the area of ​​the non-luminous region can be achieved for all three sub-pixels, thereby achieving a better effect of improving the PPI and aperture ratio of the display panel. Figure 1BAs shown, under the condition of the same PPI, the total pixel aperture ratio can be increased by 70%, and the corresponding service life can be increased by more than 13%; under the condition of the same aperture ratio, the PPI can be increased by 50%.

[0070] It should be noted that the luminous colors of the luminous layers of the first sub-pixel, the second sub-pixel and the third sub-pixel are limited to the above-mentioned red, green and blue, and a pixel is not limited to including the first sub-pixel, the second sub-pixel and the third sub-pixel, for example, it may also include a fourth sub-pixel that emits white light, and the present disclosure does not limit this.

[0071] For example, Figure 1A As shown, in each of at least part of the first sub-pixel groups 31, the plane shape of the integrated structure formed by the first light-emitting layers 21 of two consecutively arranged first sub-pixels 13 is a hexagon. Of course, in some other embodiments, it can also be an octagon, such as Figure 2B As shown, the ellipse is for example Figure 2C As shown, the rhombus is Figure 2D As shown, the shuttle shape is as follows Figure 2E At least one of the shapes shown in the figure; for example, the above-mentioned octagon, ellipse, rhombus and shuttle are respectively axisymmetric figures or non-axisymmetric figures; and / or, in each of at least part of the third sub-pixel 33 groups, the plane shape of the integrated structure formed by the third light-emitting layers 23 of two consecutively arranged third sub-pixels 13 is a hexagon. Of course, in some other embodiments, it can also be at least one of an octagon, an ellipse, a rhombus and a shuttle. The octagon, the ellipse, the rhombus and the shuttle can refer to Figure 2B-2E Of course, the plane shape of the integrated structure formed by the first light-emitting layers 21 of the two consecutively arranged first sub-pixels 13 and the plane shape of the integrated structure formed by the third light-emitting layers 23 of the two consecutively arranged third sub-pixels 13 are not limited to the types listed above, and can be designed according to specific needs.

[0072] For example, Figure 1AAs shown, in at least one second sub-pixel group 32, the plane shape of the integrated structure formed by the second light-emitting layers 22 of two second sub-pixels 12 arranged in succession has a first dimension w2a, a second dimension w2b and a third dimension w2c in the first direction, and the first dimension w2a, the second dimension w2b and the third dimension w2c are arranged in sequence in the second direction, and the first dimension w2a is larger than the second dimension w2b, and the third dimension w2c is larger than the second dimension w2b, that is, the shape is small in the middle and large at both ends, and the maximum length of the plane shape of the integrated structure formed by the second light-emitting layers 22 of two second sub-pixels 12 arranged in succession in the second direction is larger than its maximum width in the first direction. For example, the first dimension w2a is equal to the third dimension w2c. For another example, the plane shape of the integrated structure formed by the second light-emitting layers 22 of two second sub-pixels 12 arranged in succession can be as follows: Figure 2F Dumbbell type shown.

[0073] For example, Figure 1A As shown, the planar shape of the first light-emitting layer 21 is a trapezoid, and the longer bottom sides of the first light-emitting layers 21 arranged in succession are close to and opposite to each other, for example, the longer bottom sides 31a and 31b of two first light-emitting layers 21 arranged in succession are close to and opposite to each other, for example, the two overlap; and / or, the planar shape of the third light-emitting layer 23 is a trapezoid, and the longer bottom sides 33a and 33b of the third light-emitting layers 23 arranged in succession are close to and opposite to each other, for example, the two overlap. It is conducive to forming a more regular edge, so that the second sub-pixel filling the two columns of sub-pixels that are adjacent to each other and each of which includes the first sub-pixel and the third sub-pixel is arranged between the two columns of sub-pixels, thereby making full use of the more regular gap between the two columns of sub-pixels, reducing the area of ​​the non-luminous area, and facilitating the improvement of the PPI and aperture ratio of the display panel. Experimental data show that, under the same other conditions, the display panel that meets this feature has a better effect in improving the PPI or aperture ratio. The display panel that meets this feature Figure 1A The embodiment shown can achieve the effect of improving PPI and aperture ratio as follows Figure 1B As shown, under the condition of the same PPI, the total pixel aperture ratio can be increased by 70%, and the corresponding service life can be increased by more than 13%; under the condition of the same aperture ratio, the PPI can be increased by 50%.

[0074] For example, the shorter bottom side 31c of the first light-emitting layer 21 of the first sub-pixel 11 and the shorter bottom side 33c of the third light-emitting layer 23 of the third sub-pixel 13 adjacent to the first sub-pixel 11 are close to and opposite to each other, for example, the shorter bottom side 31c of the first light-emitting layer 21 and the shorter bottom side 33c overlap. In this way, it is conducive to forming a more regular edge, so that the second sub-pixel filling the two columns of sub-pixels that both include the first sub-pixel and the third sub-pixel is arranged between the two adjacent columns of sub-pixels, thereby making full use of the more regular gap between the two columns of sub-pixels, reducing the area of ​​the non-luminous region, and helping to improve the PPI and aperture ratio of the display panel. Figure 1A The embodiment shown can achieve the effect of improving PPI and aperture ratio as follows Figure 1B As shown, under the condition of the same PPI, the total pixel aperture ratio can be increased by 70%, and the corresponding service life can be increased by more than 13%; under the condition of the same aperture ratio, the PPI can be increased by 50%.

[0075] For example, the display panel 10 further includes a pixel defining layer (not shown in the figure, and reference may be made to the design of the pixel defining layer in the conventional art in the art), the pixel defining layer includes a plurality of openings and a body defining the plurality of openings, and the plurality of openings of the pixel defining layer correspond one-to-one to the plurality of sub-pixels; in each sub-pixel group of at least some of the above-mentioned sub-pixel groups (i.e., each pixel group includes an integrated structure consisting of light-emitting layers of at least two sub-pixels arranged in a row), the light-emitting layer of each sub-pixel includes an effective portion located in the corresponding opening of the pixel defining layer, and an edge portion located on the body of the pixel defining layer. In the patterning process for forming the light-emitting layer, for example, the orthographic projection of the opening of the mask corresponding to each sub-pixel on the substrate 1 overlaps with the orthographic projection of the whole consisting of the effective portion and the edge portion of the sub-pixel on the substrate 1. The light-emitting layer 21 of the first sub-pixel 11 includes an effective portion 21a located in the opening of the corresponding pixel defining layer and an edge portion 21b located on the main body of the pixel defining layer; the light-emitting layer 22 of the second sub-pixel 12 includes an effective portion 22a located in the opening of the corresponding pixel defining layer and an edge portion 22b located on the main body of the pixel defining layer; the light-emitting layer 23 of the third sub-pixel 13 includes an effective portion 23a located in the opening of the corresponding pixel defining layer and an edge portion 23b located on the main body of the pixel defining layer.

[0076] For example, in at least part of each of the first sub-pixel groups 31, a first distance h1 between the edges of two consecutively arranged effective parts 21a of the first sub-pixels 11 that are close to and opposite to each other, a second distance h2 between the edges of two consecutively arranged effective parts 22a of the second sub-pixels 12 that are close to and opposite to each other in each of the second sub-pixel groups 32, and a third distance h3 between the edges of two consecutively arranged effective parts 23a of the third sub-pixels 13 that are close to and opposite to each other in at least part of each of the third sub-pixel groups 33 are substantially equal, which is beneficial to the balance of display colors of the entire display panel 10.

[0077] For example, the first distance h1, the second distance h2, and the third distance h3 are respectively less than or equal to 8 μm. Compared with the case where two sub-pixels arranged continuously in the first sub-pixel group 31, the second sub-pixel group 32, and the third sub-pixel group 33 are not in an integral structure (for example, there is a gap or a gap), the first distance h1, the second distance h2, and the third distance h3 are smaller, which can increase the arrangement density of the sub-pixels and help improve the PPI of the display panel 10.

[0078] For example, Figure 1A As shown, the planar shape of the effective part 21a of the first sub-pixel 11, the planar shape of the effective part 22a of the second sub-pixel 12 and the planar shape of the effective part 23a of the third sub-pixel 13 are respectively consistent with the overall planar shape of the first light-emitting layer 21, the overall planar shape of the second light-emitting layer 22 and the overall planar shape of the third light-emitting layer 23, which is beneficial to the uniformity of the arrangement of the light-emitting layers of each sub-pixel of the entire display panel 10 and reduces the difficulty of manufacturing.

[0079] For example, Figure 1A As shown, in each of the first sub-pixel groups 31, the planar shape of each effective portion 21a of the first sub-pixels 11 arranged in series is a trapezoid, and the longer bottom sides of the effective portions 21a of the two first light-emitting layers 21 arranged in series are close to and opposite to each other; and / or, in each of the third sub-pixel groups 33, the planar shape of each effective portion 23a of the third sub-pixels 13 arranged in series is a trapezoid, and the longer bottom sides of the effective portions 23a of the two third light-emitting layers 23 arranged in series are close to and opposite to each other. Under the same other conditions, a display panel that meets this feature has a better effect in improving PPI or aperture ratio. A display panel that meets this feature Figure 1A The embodiment shown can achieve the effect of improving PPI and aperture ratio as follows Figure 1B As shown, under the condition of the same PPI, the total pixel aperture ratio can be increased by 70%, and the corresponding service life can be increased by more than 13%; under the condition of the same aperture ratio, the PPI can be increased by 50%.

[0080] For example, Figure 1A As shown, in each sub-pixel group of at least part of the sub-pixel group (that is, each pixel group includes an integrated structure composed of the light-emitting layers of at least two sub-pixels arranged in succession), the sides of the effective part correspond one-to-one with the sides of the outer contour of the edge part, and each pair of corresponding sides of the effective part and the outer contour of the edge part are close to and opposite to each other, and the spacing S1, S2, and S3 between each pair of corresponding sides of the effective part and the outer contour of the edge part are less than or equal to 9 μm. Compared with the case where two sub-pixels arranged in succession in the first sub-pixel group 31, the second sub-pixel group 32, and the third sub-pixel group 33 are not an integrated structure (for example, there is a gap or a gap), the spacing is reduced in the present embodiment.

[0081] For example, in the first sub-pixel 11, the second sub-pixel 12, and the third sub-pixel 13, the spacings between the edges of the effective parts 21a, 22a, and 23a and the edges of the outer contours of the corresponding edge parts are equal, that is, the spacings S1, S2, and S3 are equal; of course, in some other embodiments, the spacings S1, S2, and S3 may not be equal. For example, in a display panel with a PPI of 460 or 550, the spacings S1, S2, and S3 are all 8.65 μm. At this time, Figure 1A The distances S5, S6, and S7 between the parallel and close sides of the effective parts of adjacent sub-pixels of different colors are all 17.3 μm.

[0082] For example, Figure 1A As shown, the pixel array of the display panel 10 includes a plurality of sub-pixel rows extending along a first direction, a plurality of first sub-pixel columns extending along a second direction, and a plurality of second sub-pixel columns extending along the second direction, each of the second sub-pixel columns being located between the first sub-pixel columns arranged continuously; the second direction intersects the first direction, for example, Figure 1A In the illustrated embodiment, the second direction is perpendicular to the first direction. In each column of the first sub-pixel column, the first sub-pixel group 31 and the third sub-pixel group 33 are arranged alternately; in each column of at least part of the second sub-pixel column, a plurality of second sub-pixel groups 32 are arranged in sequence, for example, there is no second sub-pixel 12 in the first sub-pixel column and the third sub-pixel column; the second light-emitting layer 22 of the second sub-pixel group 32 and the second light-emitting layer of the second sub-pixel group arranged continuously with the second sub-pixel group 32 are not an integral structure. Due to process reasons, in the present embodiment, the light-emitting layers of two continuously arranged second sub-pixel groups 32 are formed through two different openings of the mask, so there is a gap between the light-emitting layers of the two continuously arranged second sub-pixel groups 32.

[0083] For example, in the first direction, the light-emitting layer of the second sub-pixel group 32 is in contact with the light-emitting layers of the first sub-pixel group 31 and the third sub-pixel group 33 adjacent thereto, respectively; in the second direction, the light-emitting layer of the first sub-pixel group 31 is in contact with the light-emitting layer of the third sub-pixel group 33 adjacent thereto, so that the arrangement of the sub-pixels is compact, which is beneficial to improving the PPI and aperture ratio of the display panel 10.

[0084] For example, Figure 1A As shown, there is a gap S between the second light-emitting layer 22 of the second sub-pixel group 32 and the second light-emitting layer 22 of the second sub-pixel group 32 arranged continuously with the second sub-pixel group 32; the distance h2 between two adjacent effective parts A1 and A2 in the second light-emitting layer 22 of the integrated structure of the second sub-pixel group 32 is smaller than the distance h4 between two adjacent effective parts A2 and A3 of the second light-emitting layer 22 with the gap between them. Therefore, the second light-emitting layers 22 of at least two second sub-pixels 12 arranged continuously in at least part of the second sub-pixel group 32 are of an integrated structure, which can reduce the area of ​​the non-light-emitting part in the second direction, thereby facilitating the improvement of the aperture ratio and PPI of the display panel 10.

[0085] For example, the ratio of the area of ​​the effective part 21a of each first sub-pixel 11 to the area of ​​the entire light-emitting layer 21 of each first sub-pixel 11 is 17%; the ratio of the area of ​​the effective part 22a of each second sub-pixel 12 to the area of ​​the entire light-emitting layer 22 of each second sub-pixel 12 is 21%; the ratio of the area of ​​the effective part 23a of each third sub-pixel 13 to the area of ​​the entire light-emitting layer 23 of each third sub-pixel 13 is 30%. For example, in this embodiment, the third sub-pixel 13 is a blue sub-pixel. Since the luminous brightness of the blue sub-pixel is low and the life of the electroluminescent material that currently emits blue light is short, the ratio of the area of ​​the effective part 23a of the third sub-pixel 13 to the area of ​​the entire light-emitting layer 23 of each third sub-pixel 13 is greater than that of the first sub-pixel (red) and the second sub-pixel (green).

[0086] For example, in Figure 1A In the embodiment shown, Figure 1AAs shown in the dotted box in the upper left corner, a first sub-pixel 11 and a third sub-pixel 13 located adjacent to each other in a first sub-pixel column, and a second sub-pixel 12 located in a second sub-pixel column adjacent to the first sub-pixel column constitute a pixel 101. Compared with other pixel arrangements, such a pixel arrangement makes the pixel arrangement more compact, which is more conducive to improving the aperture ratio and PPI of the display panel 10; and the plane figure constituting a pixel is closer to being equal in length in the first direction and the length in the second direction as a whole, for example, closer to a square, which is conducive to improving the uniformity of the color display of the entire display panel 10, thereby improving the display effect. For example, the area where a pixel 101 is located is a square, so as to obtain a very uniform color display effect while improving the aperture ratio and PPI of the display panel 10. For example, the length of the second sub-pixel 12 in the second direction is greater than the length of the first sub-pixel 11 in the second direction, and greater than the length of the third sub-pixel 13 in the second direction. In this way, the length of a second sub-pixel 12 can be substantially equal to the sum of the lengths of a first sub-pixel 11 and a third sub-pixel 13 arranged continuously in the second direction, so that the shape of a pixel 101 is regular and the pixel arrangement is more compact, which is conducive to improving the aperture ratio and PPI of the display panel 10 and the uniformity of color display. Corresponding to the arrangement of pixels, the design of the driving circuit of each sub-pixel can refer to conventional technology in the art. For example, each sub-pixel in a pixel is independently driven by its own driving circuit.

[0087] by Figure 1A For example, the first sub-pixel 11, the second sub-pixel 12 and the third sub-pixel 13 constitute a pixel 101, and the pixel circuits corresponding to the three sub-pixels are arranged in sequence along the first direction. For example, the first sub-pixel 11 is a red sub-pixel, the second sub-pixel 12 is a green sub-pixel, and the third sub-pixel 13 is a blue sub-pixel. The pixel circuits of the three sub-pixels are arranged in sequence in the order of red, blue, and green, or in the order of blue, red, and green. The pixel circuits of the three sub-pixels are connected to different data lines respectively.

[0088] The pixel circuit includes, for example, an active layer, a gate insulating layer, a gate layer, an interlayer insulating layer, a source-drain metal layer, a planar layer, etc. The anode of the sub-pixel is connected to the pixel circuit through a via hole. Fig. 7A and Figure 7B As shown, for the three sub-pixels in a pixel 101, their anode vias V1, V2, and V3 are roughly distributed on a straight line along the first direction. For the first sub-pixel 11 and the third sub-pixel 13 located in the same column, for example, in some embodiments, Fig. 7A, the effective parts of the first sub-pixel 11 and the third sub-pixel 13 are located on the same side of the straight line where the anode vias V1, V2, and V3 are located; or, in other embodiments, the effective parts of the first sub-pixel 11 and the third sub-pixel 13 are located on different sides of the straight line where the anode vias V1, V2, and V3 are located.

[0089] Or, in some other examples, Figure 1A The portion circled by the dashed line in the upper left corner is located in the first sub-pixel group 31, the second sub-pixel group 32 and the third sub-pixel 33 which are arranged continuously in the first direction, and one first sub-pixel 11, one second sub-pixel 12 and one third sub-pixel 13 constitute one pixel 102. Of course, the arrangement of pixels in the display panel provided by the embodiment of the present disclosure is not limited to the above-mentioned manner, and the present disclosure does not limit this.

[0090] For example, Figure 1A As shown, in each first sub-pixel group 31, the effective parts 21a of the first light-emitting layers 21 of two consecutively arranged first sub-pixels 11 are symmetrical with respect to the first symmetry axis C1 (as shown by the dotted line) extending along the first direction; and / or, in each second sub-pixel group 32, the effective parts 22a of the second light-emitting layers 22 of two consecutively arranged second sub-pixels 12 are symmetrical with respect to the second symmetry axis C2 (as shown by the dotted line) extending along the first direction; and / or, in each third sub-pixel group 33, the effective parts 23a of the third light-emitting layers 23 of two consecutively arranged third sub-pixels 13 are symmetrical with respect to the third symmetry axis C3 (as shown by the dotted line) extending along the first direction.

[0091] For example, Figure 1A As shown, the geometric centers O1, O2 and O3 of the plane shapes of the first sub-pixel group 31, the second sub-pixel group 32 and the third sub-pixel group 33 arranged in the first direction and located in the same row are basically located on the same straight line extending along the first direction. Of course, it is not limited to the geometric centers of the first sub-pixels 11, the second sub-pixels 12 and the third sub-pixels 13 arranged in a row being basically located on the same straight line extending along the first direction. For example, the geometric centers of all the first sub-pixels 11, the second sub-pixels 12 and the third sub-pixels 13 located in the same row are basically located on the same straight line extending along the first direction. In this case, for example, for the first sub-pixel group 31, the second sub-pixel group 32 and the third sub-pixel group 33 arranged in the first direction and located in the same row, the first symmetry axis C1, the second symmetry axis C2 and the third symmetry axis C3 coincide.

[0092] For example, the effective portion 22a of the second light emitting layer 22 has a symmetry axis in the same direction as the effective portions of the first and third light emitting layers 21 and 23, or does not have a symmetry axis in the same direction as the effective portions of the light emitting layers.

[0093] For example, in each first sub-pixel group 31, the effective portion 21a of each first sub-pixel 11 includes a near edge E1 close to the first symmetry axis C1 and a far edge E2 away from the first symmetry axis C1, and the length of the near edge E1 of the effective portion 21a of each first sub-pixel 11 is greater than the length of the far edge E2 of each first sub-pixel 11; and / or, in each second sub-pixel group 32, the effective portion 22a of each second sub-pixel 12 includes a near edge F1 close to the second symmetry axis C2 and a far edge F2 away from the second symmetry axis C2. 2, the length of the near side F1 of the effective part 22a of each second sub-pixel 12 is greater than the length of the far side F2 of the effective part 22a of each second sub-pixel 12; and / or, in each third sub-pixel group 31, the effective part 23a of each third sub-pixel 13 includes a near side G1 close to the third symmetry axis C3 and a far side G2 far from the third symmetry axis C3, and the length of the near side G1 of the effective part 23a of each third sub-pixel 13 is greater than the length of the far side G2 of the effective part 23a of each third sub-pixel 13. Thus, it is beneficial to make the plane shape of the effective part 21a of the first sub-pixel 11, the plane shape of the effective part 22a of the second sub-pixel 12, and the plane shape of the effective part 23a of the third sub-pixel 13 respectively consistent with the plane shape of the first light-emitting layer 21 as a whole, the plane shape of the second light-emitting layer 22 as a whole, and the plane shape of the third light-emitting layer 23 as a whole, which is beneficial to the uniformity of the arrangement of the light-emitting layers of each sub-pixel of the entire display panel 10 and reduces the difficulty of manufacturing.

[0094] For example, at least two of the distance from the near edge E1 of the effective part 21a of each first sub-pixel 11 of each first sub-pixel group 31 to the first axis of symmetry, the distance from the near edge F1 of the effective part 22a of each second sub-pixel 12 of each second sub-pixel group 32 to the second axis of symmetry C2, and the distance from the near edge G1 of the effective part 23a of each third sub-pixel 13 of each third sub-pixel group 33 to the third axis of symmetry C3 are basically equal, for example, all three are basically equal. Since the shapes of the first sub-pixel group 31, the second sub-pixel group 32 and the third sub-pixel group 33 are symmetrical, the distance h1 between the near edges E1 of the effective portions 21a of two first sub-pixels 11 arranged consecutively in each first sub-pixel group 31, the distance h2 between the near edges F1 of the effective portions 22a of two second sub-pixels 12 arranged consecutively in each second sub-pixel group 32, and the distance h3 between the near edges G1 of the effective portions 23a of two third sub-pixels 13 arranged consecutively in each third sub-pixel group 33 are basically equal, which is beneficial to the balance of the display colors of the entire display panel 10.

[0095] For example, the first direction is the width direction of each sub-pixel, and the second direction is the length direction of each sub-pixel; in a pixel 101, the aspect ratio of the effective part of the second sub-pixel 12 is greater than the aspect ratio of the effective part of the third sub-pixel 13, and greater than the aspect ratio of the effective part of the first sub-pixel 11. The aspect ratio of the effective part 21a of the first sub-pixel 11 is 1:2.5 to 1:1, the aspect ratio of the effective part 22a of the second sub-pixel 12 is 9:1 to 2:1, and the aspect ratio of the effective part 23a of the third sub-pixel 13 is 3:1 to 1:1. In this case, a better compact arrangement can be achieved, and a balanced proportion of the effective parts of each sub-pixel can be achieved, so as to achieve a better effect of improving the PPI and aperture ratio of the display panel 10. Of course, the three are not limited to the above-mentioned ranges.

[0096] For example, the width w2 of the second light-emitting layer 22 of a second sub-pixel 12 in the width direction is greater than or equal to the width w1 of the second light-emitting layer 21 of the first sub-pixel 11 in the width direction, and is greater than or equal to the width w3 of the third light-emitting layer 23 of a third sub-pixel 13 in the width direction. Such a design is conducive to the balance of display colors and can obtain a better color display effect. For example, the width w1 of the first light-emitting layer 21 of the first sub-pixel 11, the width w2a of the second light-emitting layer 22 of the second sub-pixel 12, and the width w3 of the third light-emitting layer 23 of the third sub-pixel 13 refer to the maximum widths of the first sub-pixel 11, the second sub-pixel 12, and the third sub-pixel 13 in the width direction, respectively.

[0097] For example, Figure 1A, the ratio of the width w2b of a second sub-pixel 12 in the width direction to the width w1 of a first sub-pixel 11 is 1:1-1:2; the ratio of the width w2b of a second sub-pixel 12 to the width w3 of a third sub-pixel 13 is 1:1-1:2. If the ratio is too large, it will cause an imbalance in the displayed colors. A better color display effect can be obtained within this ratio range. Similarly, for example, the planar shape of the effective portion 21a of the first sub-pixel 11, the planar shape of the effective portion 22a of the second sub-pixel 12, and the planar shape of the effective portion 23a of the third sub-pixel 13 are respectively the same as the planar shape of the second light-emitting layer 21 of the first sub-pixel 11, the planar shape of the second light-emitting layer 22 of the second sub-pixel 12, and the planar shape of the third light-emitting layer 23 of the third sub-pixel 13. At this time, the ratio of the width d5 ​​of the effective portion 22a of the second sub-pixel 12 in the width direction to the width d2 of the effective portion 21a of the first sub-pixel 11 (the width of the long side of the effective portion 21a corresponding to the width w1 of the long side of the first sub-pixel 11) is 1:1 to 1:2; the ratio of the width d5 ​​of the effective portion 22a of the second sub-pixel 12 to the width d4 of the effective portion 23a of the third sub-pixel 13 (the width of the long side of the effective portion 23a corresponding to the width w3 of the long side of the third sub-pixel 13) is 1:1 to 1:2.

[0098] For example, a length l2 of a second sub-pixel group 32 including a second light-emitting layer of an integrated structure in the length direction is greater than a length l1 of a first sub-pixel group 31 including a first light-emitting layer of an integrated structure in the length direction, and is greater than a length l3 of a first sub-pixel group 31 including a third light-emitting layer of an integrated structure in the length direction. For example, in at least one display panel 10 with a PPI of 460 or 550, the length l1 is 39.7 μm, the length l2 is 95.4 μm, and the length l3 is 70.7 μm.

[0099] like Figure 1AAs shown, a plurality of pixels 101 including a first sub-pixel 11, a second sub-pixel 12 and a third sub-pixel 13 are periodically arranged in the first direction and the second direction respectively; in one pixel 101, the first sub-pixel 11, the second sub-pixel 12 and the third sub-pixel 13 are not aligned in the second direction, and the edge of the second sub-pixel 12 close to the first sub-pixel 11 and the third sub-pixel 13 overlaps with the edge of the first sub-pixel 11 and the third sub-pixel 13 close to the second sub-pixel 12, that is, the second sub-pixel 12 contacts both the first sub-pixel 11 and the third sub-pixel 13, that is, the second sub-pixel 12 overlaps with both the first sub-pixel 11 and the third sub-pixel 13 in the first direction, so as to make full use of the gap between the two columns of sub-pixels, fill the gap with sub-pixels, reduce the area of ​​the non-luminous area, and help to improve the PPI and aperture ratio of the display panel, and maintain good color accuracy.

[0100] For example, a plurality of second sub-pixels 12 located in the same row overlap in the second direction, and a plurality of second sub-pixels 12 located in the same column overlap in the first direction.

[0101] For example, the effective portion 22a of the second light-emitting layer 22 has a polygonal planar shape, and the polygon may include rounded corners or arc-shaped edges, which are not limited.

[0102] For example, the longest direction of the effective portion of at least one of the first sub-pixel 11, the second sub-pixel 12, and the third sub-pixel 13 has an angle with the first direction or the second direction, and the angle is greater than zero and less than or equal to 45 degrees. Of course, in some embodiments, the angle can be equal to zero degrees. Figure 1A As shown, the longest direction D1 of the effective part 21a of the first sub-pixel 11 is the same as the first direction, that is, the angle with the first direction is zero degree; the longest direction D2 of the effective part 22a of the second sub-pixel 12 has an angle θ2 with the second direction that is less than 45 degrees; the longest direction D3 of the effective part 23a of the third sub-pixel 13 has an angle θ3 with the second direction that is less than 45 degrees.

[0103] For example, the planar shape of the effective portion 22a of the second light-emitting layer 22 includes a first parallel side H1 and a second parallel side H2, the first parallel side H1 is parallel to at least one side of the effective portion 21a of the first light-emitting layer 21 adjacent to the second light-emitting layer 22, such as the side J1, and the second parallel side H2 is parallel to at least one side of the effective portion 23a of the third light-emitting layer 23 adjacent to the second light-emitting layer 22, such as the side J2.

[0104] For example, the length of the effective portion 22a of the second sub-pixel 12 in the second direction is greater than the length of the effective portion 21a of the first sub-pixel 11 in the second direction, and greater than the length of the effective portion 23a of the third sub-pixel 13 in the second direction. For example, the length of the second sub-pixel 12 in the second direction is greater than the length of the first sub-pixel 11 in the second direction, and greater than the length of the third sub-pixel 13 in the second direction.

[0105] For example, when the shapes of each first sub-pixel 11 and each third sub-pixel 13 are symmetrical, the above Figure 1A The median distance S5 is equal to the distance between the first parallel sides H1 and the side J1, and the distance S6 is equal to the distance between the second parallel sides H2.

[0106] Furthermore, the planar shape of the effective portion 22a of the second light-emitting layer further includes a third parallel side, which is parallel to at least one side of the effective portion of the first light-emitting layer, the second light-emitting layer or the third light-emitting layer directly adjacent to the second light-emitting layer.

[0107] Furthermore, the planar shape of the effective portion 22a of the second light-emitting layer also includes a fourth parallel side, and the third parallel side is parallel to at least one side of the effective portion of the first light-emitting layer, the second light-emitting layer or the third light-emitting layer directly adjacent to the second light-emitting layer. In this case, the planar shape of the effective portion 22a of the second light-emitting layer is a quadrilateral.

[0108] Furthermore, the planar shape of the effective portion 22a of the second light-emitting layer also includes a fifth parallel side, and the third parallel side is parallel to at least one side of the effective portion of the first light-emitting layer, the second light-emitting layer or the third light-emitting layer directly adjacent to the second light-emitting layer. In this case, the planar shape of the effective portion 22a of the second light-emitting layer is a pentagon.

[0109] Furthermore, the planar shape of the effective portion 22a of the second light-emitting layer also includes a sixth parallel side, and the third parallel side is parallel to at least one side of the effective portion of the first light-emitting layer, the second light-emitting layer or the third light-emitting layer directly adjacent to the second light-emitting layer. At this time, the planar shape of the effective portion 22a of the second light-emitting layer is a hexagon, and so on.

[0110] The directly adjacent first light-emitting layer, second light-emitting layer or third light-emitting layer refers to a line connecting the light-emitting layer to the effective part 22a of the second light-emitting layer, and there is at least one connection line that does not pass through other light-emitting layers.

[0111] For example, in Figure 1AIn the illustrated embodiment, the planar shape of the second light-emitting layer 21 is symmetrical with respect to the symmetry axis extending along the second direction, so that the arrangement of the light-emitting layers of the sub-pixels of the display panel 10 is symmetrical, thereby improving the uniformity of the display effect of the display panel 10. Alternatively, in some other embodiments, the planar shape of the second light-emitting layer 22 does not have a symmetry axis extending along the second direction. This disclosure is not limited to this.

[0112] For example, Figure 1A As shown, the second light-emitting layer 22 is located between the first light-emitting layer 21 and the third light-emitting layer 23 in two adjacent first sub-pixel columns, and the plane shape of the second light-emitting layer 22 fills the interval between the first light-emitting layer 21 and the second light-emitting layer 23 in the two adjacent first sub-pixel columns. That is, the shapes of the first light-emitting layer 21, the second light-emitting layer 22, and the third light-emitting layer 23 arranged continuously are complementary to each other, so as to reduce the area of ​​the non-light-emitting region, which is beneficial to improve the aperture ratio and PPI of the display panel.

[0113] For example, Figure 1A As shown, in each second sub-pixel group, the planar shape of the integrated structure formed by the second light-emitting layers 22 of two consecutively arranged second sub-pixels 12 is basically a dumbbell shape, and the maximum length of the dumbbell shape in the second direction is greater than its maximum width in the first direction.

[0114] For example, the area of ​​the light-emitting layer of the second sub-pixel 12 is greater than the area of ​​the light-emitting layer of the first sub-pixel 11 and greater than the area of ​​the light-emitting layer of the third sub-pixel 13 .

[0115] For example, Figure 1A As shown, the first light emitting layer 21 of the first sub-pixel 11, the second light emitting layer 22 of the second sub-pixel 12, and the third light emitting layer 23 of the third sub-pixel 13 have portions facing each other in the second direction. That is, a straight line is drawn along the second direction, and the straight line passes through the first light emitting layer 21 of the first sub-pixel 11, the second light emitting layer 22 of the second sub-pixel 12, and the third light emitting layer 23 of the third sub-pixel 13, so as to improve the compactness of the sub-pixel arrangement in the entire display panel 10, which is conducive to improving the aperture ratio and PPI of the display panel.

[0116] For example, the first sub-pixels in any two consecutively arranged pixels among the plurality of pixels are different first sub-pixels, the second sub-pixels in any two consecutively arranged pixels among the plurality of pixels are different second sub-pixels, and the third sub-pixels in any two consecutively arranged pixels among the plurality of pixels are different third sub-pixels. In this way, when displaying, each pixel includes red, green, and blue pixels, and does not need to borrow sub-pixels from adjacent units, thus avoiding display defects such as white edges when displaying specific graphics.

[0117] For example, in at least one embodiment, for example in a display panel with a PPI of 460, a dimension S4 of the interval S in the second direction is 15 μm; a length d1 of the shorter side of the effective portion 21a of the first sub-pixel 11 is 7.7 μm, and a length d2 of the longer side of the effective portion 21a of the first sub-pixel 11 is 9.4 μm; a length d3 of the shorter side of the effective portion 23a of the third sub-pixel 13 is 7.7 μm, and a length d4 of the longer side of the effective portion 23a of the third sub-pixel 12 is 9.4 μm.

[0118] Figure 2A A schematic diagram of the structure of another display panel provided in an embodiment of the present disclosure. Figure 2A The display panel shown in FIG. 1 is different from that in FIG. Figure 2A As shown, in each first sub-pixel group 31, the first light-emitting layer 21 of the continuously arranged first sub-pixels 11 is an integrated structure; in each third sub-pixel group 33, the third light-emitting layer 23 of the continuously arranged third sub-pixels 13 is an integrated structure; in each second sub-pixel group 32, the second light-emitting layer 22 of the continuously arranged second sub-pixels 12 is not an integrated structure, and in each second sub-pixel group 32, there is a gap S (non-luminous area) between the second light-emitting layers 22 of the continuously arranged second sub-pixels 12, so that in each pixel, the second sub-pixel 12 (for example, a green sub-pixel) and the first sub-pixel 11 (for example, a red sub-pixel) and the third sub-pixel 13 (for example, a blue sub-pixel) are arranged more compactly, and the distance relationship is more stable, so as to improve the color accuracy while increasing the PPI and aperture ratio of the display panel. Figure 2A The illustrated embodiment can also achieve the technical effect of reducing the area of ​​the non-luminous region to a certain extent, thereby facilitating improving the PPI and aperture ratio of the display panel.

[0119] Figure 2A Other features of the display panel shown and not mentioned are similar to those Figure 1A The same as shown, please refer to the previous description and no further details will be given.

[0120] Figure 3A A schematic diagram of the structure of another display panel provided in an embodiment of the present disclosure is shown in FIG. Figure 3B for Figure 3A The comparison diagram of the aperture ratio and pixel density of the display panel shown in FIG. 1 and the aperture ratio and pixel density of a conventional display panel is shown in FIG. Figure 3A-3B The display panel shown is Figure 1A The difference is that, Figure 3AAs shown, the planar shape of the first light-emitting layer 21, the planar shape of the second light-emitting layer 22, and the planar shape of the third light-emitting layer 23 are all rectangular; the planar shape of the effective part 21a of the first light-emitting layer 21, the planar shape of the effective part 22a of the second light-emitting layer 22, and the planar shape of the effective part 23a of the third light-emitting layer 23 are all rectangular. Figure 3A The embodiment shown can also achieve the technical effect of reducing the area of ​​the non-luminous region to a certain extent, which is beneficial to improving the PPI and aperture ratio of the display panel. Figure 3B As shown in the figure, under the same PPI condition, the total pixel aperture ratio AR can be increased by 52%, and the corresponding service life is increased by more than 11%. Under the same aperture ratio, the PPI can be increased by 24%. Figure 3A Other features of the display panel shown and not mentioned are similar to those Figure 1A The same as shown, please refer to the previous description and no further details will be given.

[0121] Figure 4A A schematic diagram of the structure of another display panel provided in an embodiment of the present disclosure is shown in FIG. Figure 4B for Figure 4A The aperture ratio and pixel density of the display panel shown are compared with the aperture ratio and pixel density of a common display panel. Figure 4A-4B The display panel shown is Figure 1A The difference is that the planar shape of the first light-emitting layer 21, the planar shape of the second light-emitting layer 22 and the planar shape of the third light-emitting layer 23 are all rectangular; the planar shape of the effective part 21a of the first light-emitting layer 21, the planar shape of the effective part 22a of the second light-emitting layer 22 and the planar shape of the effective part 23a of the third light-emitting layer 23 are all rectangular; and, in each second sub-pixel group 32, the second light-emitting layers 22 of the second sub-pixels 12 arranged in succession are not an integral structure; in each second sub-pixel group 32, there is a gap S (non-luminous area) between the second light-emitting layers 22 of the second sub-pixels 12 arranged in succession, so that in each pixel, the second sub-pixel 12 (for example, a green sub-pixel) and the first sub-pixel 11 (for example, a red sub-pixel) and the third sub-pixel 13 (for example, a blue sub-pixel) are arranged more compactly, and the distance relationship is more stable, so as to improve the color accuracy while increasing the PPI and aperture ratio of the display panel. Figure 4A The embodiment shown can also achieve the technical effect of reducing the area of ​​the non-luminous region to a certain extent, which is beneficial to improving the PPI and aperture ratio of the display panel, and, as Figure 4B As shown in the figure, under the same PPI conditions, the total pixel aperture ratio can be increased by 75%, and the corresponding service life can be increased by more than 32%. Under the same aperture ratio, the PPI can be increased by 8%. Figure 3A Other features of the display panel shown and not mentioned are similar to those Figure 1A The same as shown, please refer to the previous description and no further details will be given.

[0122] Of course, in other embodiments, in each first sub-pixel group 31, the first light-emitting layers 21 of the first sub-pixels 11 arranged continuously are not of an integral structure, and in each first sub-pixel group 31, there is a gap (non-luminous region) between the first light-emitting layers 21 of the first sub-pixels 11 arranged continuously. Alternatively, in each third sub-pixel group 32, the third light-emitting layers 23 of the third sub-pixels 13 arranged continuously are not of an integral structure, and in each third sub-pixel group 33, there is a gap (non-luminous region) between the third light-emitting layers 23 of the third sub-pixels 13 arranged continuously.

[0123] like Figure 5 As shown, for example, the plane shape of the effective portion 22a of the second sub-pixel 12 is an irregular pattern. For example, at least part of the effective portion 22a of the second sub-pixel 12 has a first width w21, a second width w22, and a third width w23 that are sequentially away from the second symmetry axis C2 in the first direction, the second width w22 is greater than the first width w21, and the third width w23 is greater than the first width w21. For example, the third width w23 is 7.14 μm, and the first width w21 is 4.92 μm; for example, the range of the second width is greater than 4.92 μm and less than 7.14 μm. Figure 5 The illustrated embodiment can also achieve the technical effect of reducing the area of ​​the non-luminous region to a certain extent, thereby facilitating improving the PPI and aperture ratio of the display panel.

[0124] For example, Figure 5 In the embodiment shown, the PPI of the display panel is 460, the first width w21 is 7.14 μm, the third width w23 is 4.92 μm, and the second width w22 is greater than 4.92 μm and less than or equal to 7.14 μm; the dimension S4 of the interval S in the second direction is 15 μm; the length d1 of the shorter side of the effective portion 21a of the first sub-pixel 11 is 13.5 μm, and the length d2 of the longer side of the effective portion 21a of the first sub-pixel 11 is 13.5 μm; the length d3 of the shorter side of the effective portion 23a of the third sub-pixel 13 is 13.5 μm, and the length d3 of the longer side of the effective portion 23a of the third sub-pixel 12 is 13.5 μm. For other dimensions, please refer to Figure 5 .

[0125] Figure 5 Other features of the display panel shown and not mentioned are similar to those Figure 1A The same as shown, please refer to the previous description and no further details will be given.

[0126] Figure 6 A method and a method for Figure 5 Schematic diagram of the structure of display panels with different pixel densities. Figure 5 ,exist Figure 6 In the embodiment, the distances between the effective portions of the light emitting layer of each sub-pixel are not changed, but the size of the effective portion of the light emitting layer of each sub-pixel is reduced.

[0127] For example, Figure 6 In the illustrated embodiment, the PPI of the display panel is 550, and the dimension S4 of the interval S in the second direction is 15 μm; the length d1 of the shorter side of the effective portion 21 a of the first sub-pixel 11 is 7.7 μm, and the length d2 of the longer side of the effective portion 21 a of the first sub-pixel 11 is 9.4 μm; the length d3 of the shorter side of the effective portion 23 a of the third sub-pixel 13 is 7.7 μm, and the length d4 of the longer side of the effective portion 23 a of the third sub-pixel 12 is 9.4 μm.

[0128] Figure 6 Other features of the display panel shown and not mentioned are similar to those Figure 5 The same as in, please refer to the previous description and no further details will be given.

[0129] For example, the display panel provided by at least one embodiment of the present disclosure further includes a driving structure layer, the driving structure layer includes a plurality of driving circuits, and each sub-pixel includes a driving circuit.

[0130] At least one embodiment of the present disclosure further provides a display device, Figure 8 A schematic diagram of a display device provided by an embodiment of the present disclosure is shown in FIG. Figure 8 As shown, the display device 100 includes any display panel 10 provided in the embodiments of the present disclosure. For example, the display device can be any product or component with display and touch functions, such as a display, an OLED panel, an OLED TV, an electronic paper, a mobile phone, a tablet computer, a notebook computer, a digital photo frame, a navigator, etc. Other structures of the display device can refer to conventional technologies in the art.

[0131] At least one embodiment of the present disclosure also provides a method for manufacturing a display panel, the manufacturing method comprising: providing a substrate; and forming a plurality of sub-pixels on the substrate, each of at least some of the sub-pixels comprising a light-emitting layer, wherein the light-emitting layers of the plurality of sub-pixels are formed by a patterning process using a mask, the mask comprising a plurality of mask openings; at least two sub-pixels arranged continuously in the plurality of sub-pixels constitute a sub-pixel group, and in the patterning process, the light-emitting layer of each sub-pixel group in at least some of the sub-pixel groups is formed by using the same mask opening in the plurality of mask openings and the material is the same. For example, at least some of the sub-pixel groups include at least two sub-pixel groups that emit light of different colors. Usually, due to process reasons, in the process of forming the light-emitting layer of the same color by the patterning process, there is a gap between the light-emitting layers of adjacent sub-pixels formed by different openings of the mask, and there is no such gap between the light-emitting layers of at least two sub-pixels arranged continuously formed by using the same opening, thereby reducing the area of ​​the non-light-emitting area, which is conducive to improving the PPI and aperture ratio of the display panel.

[0132] For example, in each sub-pixel group of at least part of the sub-pixel groups, the light-emitting layers of the sub-pixels arranged continuously and formed through the same mask opening are an integrated structure.

[0133] For example, each of the plurality of pixels includes a plurality of sub-pixels including: a first sub-pixel 11, a second sub-pixel 12, and a third sub-pixel 13. The first sub-pixel 11 includes a first light-emitting layer 21, and the first light-emitting layer 21 emits a first color light; the second sub-pixel 12 includes a second light-emitting layer 22, and the second light-emitting layer 22 emits a second color light; the third sub-pixel 13 includes a third light-emitting layer 23, and the third light-emitting layer 23 emits a third color light, and the colors of the first color light, the second color light, and the third color light are different from each other. For example, the first light-emitting layer emits red light, the second light-emitting layer emits green light, and the third light-emitting layer emits blue light. In the patterning process, at least one or at least two of the following steps are performed: forming the first light-emitting layer of each first sub-pixel group using the same mask opening among the plurality of mask openings, forming the second light-emitting layer of each second sub-pixel group using the same mask opening among the plurality of mask openings, and forming the third light-emitting layer of each third sub-pixel group using the same mask opening among the plurality of mask openings.

[0134] Fig. 9 A schematic diagram of a mask used in a method for manufacturing a display panel provided in an embodiment of the present disclosure is shown in FIG. Fig. 9As shown, for example, the mask is an evaporation mask, such as a metal mask, which includes a plurality of mask openings defined by metal wires 4. The plurality of mask openings include a first mask opening, a second mask opening, and a third mask opening. In the composition process, the first light-emitting layer of each first sub-pixel group is formed using the same first mask opening, the second light-emitting layer of each second sub-pixel group is formed using the same second mask opening, and the third light-emitting layer of each third sub-pixel group is formed using the same third mask opening, that is, the light-emitting layers of at least two sub-pixels of three colors arranged continuously are formed through the same opening, so as to achieve a better improvement in the PPI and aperture ratio of the display panel. The orthographic projections of the first mask opening, the second mask opening, and the third mask opening on the base substrate 1 substantially overlap with the first light-emitting layer of each first sub-pixel group, the second light-emitting layer of each second sub-pixel group, and the third light-emitting layer of each third sub-pixel group, respectively. The display panel formed by the manufacturing method can be as follows Figure 1A For the specific features and technical effects of the display panel, please refer to Figure 1A Description.

[0135] For example, in other embodiments, in the patterning process, the first light-emitting layer of each first sub-pixel group is formed using the same first mask opening, and the plurality of second mask openings correspond to the second light-emitting layers of the plurality of second sub-pixels one by one, and the second light-emitting layers of the plurality of second sub-pixels are formed using the plurality of second mask openings, respectively, and the third light-emitting layer of each third sub-pixel group is formed using the same third mask opening, so as to achieve the goal of improving the PPI and aperture ratio of the display panel while maintaining a high color accuracy. The display panel formed by the manufacturing method can be as follows Figure 2A or Figure 4A For the specific features and technical effects of the display panel, please refer to Figure 2A or Figure 4A Description.

[0136] For example, the manufacturing method of the display panel further includes: before forming the light-emitting layer, forming a pixel defining layer, wherein the pixel defining layer includes a plurality of mask openings and a main body defining the plurality of mask openings, and the plurality of mask openings correspond one-to-one to the plurality of sub-pixels; in the process of forming the light-emitting layer of the plurality of sub-pixels by patterning process using the mask, the plurality of mask openings of the pixel defining layer correspond one-to-one to the plurality of mask openings of the mask, and the orthographic projections of the plurality of mask openings of the pixel defining layer on the substrate substrate are respectively located within the orthographic projections of the plurality of mask openings of the mask on the substrate substrate; the light-emitting layer of each of the plurality of sub-pixels includes an effective portion located within the mask opening of the corresponding pixel defining layer, and an edge portion located on the main body of the pixel defining layer, and the orthographic projection of the edge portion on the substrate substrate is located outside the orthographic projection of the corresponding mask opening on the substrate substrate and within the orthographic projection of the mask opening of the corresponding mask on the substrate substrate. For the specific structural features of the formed effective portion and edge portion, please refer to the description in the previous embodiment of the display panel, which will not be repeated here.

[0137] For example, the method for manufacturing a display panel provided in at least one embodiment of the present disclosure further includes: forming a driving structure layer, the driving structure layer includes multiple driving circuits, and each sub-pixel includes a driving circuit to be driven independently. The method for manufacturing a display panel provided in at least one embodiment of the present disclosure further includes forming multiple other functional layers, as described in the following embodiments.

[0138] Fig. 10A is a schematic diagram of a film layer structure of an exemplary pixel array; Fig. 10A As shown, the method may specifically include the following steps:

[0139] Step 1: Prepare the base substrate on a glass carrier.

[0140] In some exemplary embodiments, the substrate 10 may be a flexible substrate, for example, including a first flexible material layer, a first inorganic material layer, a semiconductor layer, a second flexible material layer, and a second inorganic material layer stacked on a glass carrier. The first flexible material layer and the second flexible material layer are made of materials such as polyimide (PI), polyethylene terephthalate (PET), or a surface-treated polymer soft film. The first inorganic material layer and the second inorganic material layer are made of silicon nitride (SiNx) or silicon oxide (SiOx), etc., to improve the water and oxygen resistance of the substrate. The first inorganic material layer and the second inorganic material layer are also referred to as barrier layers. The semiconductor layer is made of amorphous silicon (a-si). In some exemplary embodiments, taking the stacked structure PI1 / Barrier1 / a-si / PI2 / Barrier2 as an example, its preparation process includes: first coating a layer of polyimide on the glass carrier 1, and forming a first flexible (PI1) layer after curing; then depositing a barrier film on the first flexible layer to form a first barrier (Barrier1) layer covering the first flexible layer; then depositing a layer of amorphous silicon film on the first barrier layer to form an amorphous silicon (a-si) layer covering the first barrier layer; then coating the amorphous silicon layer with another layer of polyimide, and forming a second flexible (PI2) layer after curing; then depositing a barrier film on the second flexible layer to form a second barrier (Barrier2) layer covering the second flexible layer, thereby completing the preparation of the substrate 10.

[0141] Step 2: Prepare a driving structure layer on the substrate. The driving structure layer includes multiple driving circuits, each driving circuit includes multiple transistors and at least one storage capacitor, such as a 2T1C, 3T1C or 7T1C design. Three sub-pixels are used as an example for illustration, and the driving circuit of each sub-pixel is illustrated by only one transistor and one storage capacitor.

[0142] In some embodiments, the preparation process of the driving structure layer can refer to the following description, which is described by taking the preparation process of the driving circuit of the red sub-pixel as an example.

[0143] A first insulating film and an active layer film are sequentially deposited on the base substrate 10, and the active layer film is patterned through a patterning process to form a first insulating layer 011 covering the entire base substrate 010, and an active layer pattern arranged on the first insulating layer 011, wherein the active layer pattern includes at least a first active layer.

[0144] Subsequently, a second insulating film and a first metal film are deposited in sequence, and the first metal film is patterned through a composition process to form a second insulating layer 012 covering the active layer pattern, and a first gate metal layer pattern arranged on the second insulating layer 012, wherein the first gate metal layer pattern includes at least a first gate electrode and a first capacitor electrode.

[0145] Subsequently, a third insulating film and a second metal film are deposited in sequence, and the second metal film is patterned through a composition process to form a third insulating layer 013 covering the first gate metal layer, and a second gate metal layer pattern arranged on the third insulating layer 013, the second gate metal layer pattern at least includes a second capacitor electrode, and the position of the second capacitor electrode corresponds to the position of the first capacitor electrode.

[0146] Subsequently, a fourth insulating film is deposited and patterned through a patterning process to form a fourth insulating layer 014 pattern covering the second gate metal layer. At least two first via holes are opened on the fourth insulating layer 014. The fourth insulating layer 014, the third insulating layer 013 and the second insulating layer 012 in the two first via holes are etched away to expose the surface of the first active layer.

[0147] Subsequently, a third metal film is deposited and patterned by a patterning process to form a source-drain metal layer pattern on the fourth insulating layer 014. The source-drain metal layer includes at least a first source electrode and a first drain electrode located in the display area. The first source electrode and the first drain electrode can be connected to the first active layer through the first via hole, respectively.

[0148] In the driving circuit of the red sub-pixel in the display area, the first active layer, the first gate electrode, the first source electrode and the first drain electrode can form a first transistor 210, and the first capacitor electrode and the second capacitor electrode can form a first storage capacitor 212. In the above preparation process, the driving circuit of the green sub-pixel and the driving circuit of the blue sub-pixel can be formed at the same time.

[0149] In some exemplary embodiments, the first insulating layer 011, the second insulating layer 012, the third insulating layer 013 and the fourth insulating layer 014 are made of any one or more of silicon oxide (SiOx), silicon nitride (SiNx) and silicon oxynitride (SiON), and can be a single layer, a multilayer or a composite layer. The first insulating layer 011 is called a buffer layer, which is used to improve the water and oxygen resistance of the substrate; the second insulating layer 012 and the third insulating layer 013 are called gate insulating (GI, Gate Insulator) layers; and the fourth insulating layer 014 is called an interlayer insulating (ILD, Interlayer Dielectric) layer. The first metal film, the second metal film and the third metal film are made of metal materials, such as any one or more of silver (Ag), copper (Cu), aluminum (Al), titanium (Ti) and molybdenum (Mo), or alloy materials of the above metals, such as aluminum neodymium alloy (AlNd) or molybdenum niobium alloy (MoNb), and can be a single layer structure, or a multilayer composite structure, such as Ti / Al / Ti, etc. The active layer film adopts one or more materials such as amorphous indium gallium zinc oxide material (a-IGZO), zinc oxynitride (ZnON), indium zinc tin oxide (IZTO), amorphous silicon (a-Si), polycrystalline silicon (p-Si), sexithiophene, polythiophene, etc., that is, the present disclosure is applicable to transistors manufactured based on oxide technology, silicon technology and organic technology.

[0150] Step 3: forming a planar layer on the base substrate on which the aforementioned pattern is formed.

[0151] In some exemplary embodiments, a flat thin film of an organic material is coated on the base substrate 010 on which the aforementioned pattern is formed, forming a flat (PLN, Planarization) layer 015 covering the entire base substrate 010, and a plurality of second via holes are formed on the flat layer 015 in the display area through masking, exposure, and development processes. The flat layer 015 in the plurality of second via holes is developed away, exposing the surface of the first drain electrode of the first transistor 210 of the driving circuit of the red sub-pixel, the surface of the first drain electrode of the first transistor of the driving circuit of the green sub-pixel, and the surface of the first drain electrode of the first transistor of the driving circuit of the blue sub-pixel 03, respectively.

[0152] Step 4: forming a first electrode pattern on the substrate on which the aforementioned pattern is formed. In some examples, the first electrode is a reflective anode.

[0153] In some exemplary embodiments, a conductive film is deposited on the substrate 010 on which the aforementioned pattern is formed, and the conductive film is patterned by a patterning process to form a first electrode pattern. The first anode 213 of the red sub-pixel is connected to the first drain electrode of the first transistor 210 through the second via hole, the second anode 223 of the green sub-pixel 2 is connected to the first drain electrode of the first transistor of the green sub-pixel through the second via hole, and the third anode 233 of the blue sub-pixel 23 is connected to the first drain electrode of the first transistor of the blue sub-pixel through the second via hole.

[0154] In some examples, the first electrode can be made of a metal material, such as any one or more of magnesium (Mg), silver (Ag), copper (Cu), aluminum (Al), titanium (Ti) and molybdenum (Mo), or an alloy material of the above metals, such as aluminum-neodymium alloy (AlNd) or molybdenum-niobium alloy (MoNb). It can be a single-layer structure, or a multi-layer composite structure, such as Ti / Al / Ti, etc., or a stack structure formed by metal and transparent conductive material, such as reflective materials such as ITO / Ag / ITO, Mo / AlNd / ITO, etc.

[0155] Step 5: Form a pixel definition layer (PDL) pattern on the substrate with the aforementioned pattern.

[0156] In some exemplary embodiments, a pixel definition film is coated on the substrate 010 on which the aforementioned pattern is formed, and a pixel definition layer pattern is formed through masking, exposure, and development processes. Fig. 10A As shown, the pixel definition layer 30 of the display area includes a plurality of sub-pixel definition parts 302, and a plurality of pixel openings 301 are formed between adjacent sub-pixel definition parts 302. The pixel definition layer 30 within the plurality of pixel openings 301 is developed to expose at least a portion of the surface of the first anode 213 of the red sub-pixel, at least a portion of the surface of the second anode 223 of the green sub-pixel, and at least a portion of the surface of the third anode 233 of the blue sub-pixel.

[0157] In some examples, the pixel definition layer 30 may be made of polyimide, acrylic, polyethylene terephthalate, or the like.

[0158] Step 6: Forming a post spacer (PS) pattern on the base substrate with the aforementioned pattern formed thereon.

[0159] In some exemplary embodiments, an organic material film is coated on the base substrate 010 on which the aforementioned pattern is formed, and a spacer column 34 pattern is formed through masking, exposure, and development processes. The spacer column 34 can serve as a support layer and is configured to support the FMM (high-precision mask) during the evaporation process. In some examples, along the row arrangement direction of the sub-pixels, there is a repeating unit between two adjacent spacer columns 34, for example, the spacer column 34 can be located between adjacent red sub-pixels and blue sub-pixels 03.

[0160] Step 7: On the substrate substrate having the aforementioned pattern, an organic functional layer and a second electrode are sequentially formed. In some examples, the second electrode is a transparent cathode. The light-emitting element can emit light from the side away from the substrate substrate 010 through the transparent cathode to achieve top emission. In some examples, the organic functional layer of the light-emitting element includes: a hole injection layer, a hole transport layer, a light-emitting layer, and an electron transport layer.

[0161] In some exemplary embodiments, an open mask is used on the substrate substrate 010 on which the aforementioned pattern is formed to sequentially form a hole injection layer 241 and a hole transport layer 242 by evaporation, and then a blue light-emitting layer 236, a green light-emitting layer 216, and a red light-emitting layer 226 are sequentially formed by evaporation using FMM, and then an electron transport layer 243, a cathode 244, and an optical coupling layer 245 are sequentially formed by evaporation using an open mask. The hole injection layer 241, the hole transport layer 242, the electron transport layer 243, and the cathode 244 are all common layers of multiple sub-pixels. In some examples, the organic functional layer may further include: a microcavity adjustment layer located between the hole transport layer and the light-emitting layer. For example, after forming the hole transport layer, a blue microcavity adjustment layer, a blue light-emitting layer, a green microcavity adjustment layer, a green light-emitting layer, a red microcavity adjustment layer, and a red light-emitting layer may be sequentially formed by evaporation using FMM.

[0162] In some exemplary embodiments, Fig. 10A As shown, due to the restriction of the FMM opening, there may be overlap between the adjacent blue light emitting layer 236 , the green light emitting layer 216 and the red light emitting layer 226 formed by evaporation. Fig. 10B is a schematic diagram of another exemplary film layer structure of a pixel array, Fig. 10B It can be seen that there may be no overlap between the adjacent blue light-emitting layer 236, the green light-emitting layer 216 and the red light-emitting layer 226, that is, by selecting FMMs with different opening sizes, the sizes of the light-emitting layers formed are also different. In some exemplary embodiments, the organic functional layer is formed in the sub-pixel region to achieve connection between the organic functional layer and the anode. The cathode is formed on the pixel definition layer and connected to the organic functional layer.

[0163] In some exemplary embodiments, the cathode can be made of any one or more of magnesium (Mg), silver (Ag), aluminum (Al), or an alloy made of any one or more of the above metals, or a transparent conductive material, such as indium tin oxide (ITO), or a multilayer composite structure of metal and transparent conductive material.

[0164] In some exemplary embodiments, a light coupling layer may be formed on the side of the cathode 244 away from the base substrate 10, and the light coupling layer may be a common layer of multiple sub-pixels. The light coupling layer may cooperate with the transparent cathode to increase the light output. For example, the material of the light coupling layer may be a semiconductor material. However, this embodiment is not limited to this.

[0165] Step 8: Form a packaging layer on the base substrate with the aforementioned pattern formed thereon.

[0166] In some exemplary embodiments, an encapsulation layer is formed on the substrate substrate 010 on which the aforementioned pattern is formed, and the encapsulation layer may include a first encapsulation layer 41, a second encapsulation layer 42, and a third encapsulation layer 43 stacked. The first encapsulation layer 41 is made of an inorganic material and covers the cathode 244 in the display area. The second encapsulation layer 42 is made of an organic material. The third encapsulation layer 43 is made of an inorganic material and covers the first encapsulation layer 41 and the second encapsulation layer 42. However, this embodiment is not limited to this. In some examples, the encapsulation layer may have a five-layer structure of inorganic / organic / inorganic / organic / inorganic.

[0167] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A display panel, comprising: A base substrate, wherein a plurality of sub-pixels are arranged on the base substrate, and at least some of the plurality of sub-pixels include a light-emitting layer; At least two sub-pixels arranged continuously among the plurality of sub-pixels constitute a sub-pixel group, and in each sub-pixel group of at least some of the sub-pixel groups, the light-emitting layer materials of at least two sub-pixels arranged continuously are the same and are an integrated structure; the at least some of the sub-pixel groups include at least two sub-pixel groups that emit light of different colors respectively; A plurality of pixels are arranged on the substrate, each of the plurality of pixels includes a plurality of sub-pixels, and the plurality of sub-pixels of one pixel include: A first sub-pixel, comprising a first light-emitting layer, wherein the first light-emitting layer emits a first color light; A second sub-pixel, comprising a second light-emitting layer, wherein the second light-emitting layer emits a second color light; and The third sub-pixel includes a third light-emitting layer, wherein the third light-emitting layer emits a third color light, and the colors of the first color light, the second color light and the third color light are different from each other, wherein: At least two of the first sub-pixels are arranged continuously and constitute a first sub-pixel group; At least two of the second sub-pixels are arranged in series and constitute a second sub-pixel group; At least two of the third sub-pixels are arranged in series and constitute a third sub-pixel group; and The at least part of the sub-pixel groups includes at least two of the first sub-pixel group, the second sub-pixel group and the third sub-pixel group; The pixel array of the display panel includes a plurality of sub-pixel rows extending along a first direction, a plurality of first sub-pixel columns extending along a second direction, and a plurality of second sub-pixel columns extending along the second direction, each of the second sub-pixel columns is located between the first sub-pixel columns arranged continuously, and the second direction intersects the first direction; In each of the first sub-pixel columns, the first sub-pixel groups and the third sub-pixel groups are arranged alternately; in each of the second sub-pixel columns, a plurality of the second sub-pixel groups are arranged in sequence; The second light emitting layer of the second sub-pixel group and the second light emitting layer of the second sub-pixel group continuously arranged with the second sub-pixel group are not in an integral structure.

2. The display panel according to claim 1, wherein: In at least part of each of the first sub-pixel groups, the first light-emitting layers of the first sub-pixels arranged continuously are an integrated structure; In at least part of each of the second sub-pixel groups, the second light-emitting layers of the second sub-pixels arranged continuously are an integrated structure; as well as In at least part of each of the third sub-pixel groups, the third light-emitting layers of the third sub-pixels arranged continuously are an integrated structure.

3. The display panel according to claim 2, wherein: In each of the at least part of the first sub-pixel groups, the planar shape of the integrated structure formed by the first light-emitting layers of two consecutively arranged first sub-pixels includes a hexagon, an octagon, an ellipse, a rhombus, or a shuttle; and / or In each of the at least part of the third sub-pixel groups, a planar shape of an integrated structure formed by the third light-emitting layers of two consecutively arranged third sub-pixels includes a hexagon, an octagon, an ellipse, a rhombus, and a shuttle.

4. The display panel according to claim 1, wherein: In at least part of each of the first sub-pixel groups, the first light-emitting layers of the first sub-pixels arranged continuously are an integrated structure; In at least part of each of the second sub-pixel groups, the second light-emitting layers of the second sub-pixels arranged consecutively are not of an integrated structure; and In at least part of each of the third sub-pixel groups, the third light-emitting layers of the third sub-pixels arranged continuously are an integrated structure.

5. The display panel according to claim 4, wherein: The area of ​​the light emitting layer of the second sub-pixel is greater than the area of ​​the light emitting layer of the first sub-pixel and greater than the area of ​​the light emitting layer of the third sub-pixel.

6. The display panel according to claim 2, wherein: The shorter bottom side of the first light emitting layer of the first sub-pixel and the shorter bottom side of the third light emitting layer of the third sub-pixel adjacent to the first sub-pixel are close to and opposite to each other.

7. The display panel according to claim 2, further comprising: A pixel defining layer, comprising a plurality of openings and a body defining the plurality of openings, wherein the plurality of openings correspond one-to-one to the plurality of sub-pixels; In each of the at least some of the sub-pixel groups, the light emitting layer of each sub-pixel includes an effective portion located within the opening of the corresponding pixel defining layer, and an edge portion located on a body of the pixel defining layer.

8. The display panel according to claim 7, wherein: A first distance between the edges where the effective parts of two consecutively arranged first sub-pixels in each of the first sub-pixel groups are close to and opposite to each other, a second distance between the edges where the effective parts of two consecutively arranged second sub-pixels in each of the second sub-pixel groups are close to and opposite to each other, and a third distance between the edges where the effective parts of two consecutively arranged third sub-pixels in each of the third sub-pixel groups are close to and opposite to each other are substantially equal.

9. The display panel according to claim 8, wherein: The first distance, the second distance and the third distance are respectively less than or equal to 8 μm.

10. The display panel according to claim 7, wherein: The planar shape of the effective part of the first subpixel, the planar shape of the effective part of the second subpixel, and the planar shape of the effective part of the third subpixel are respectively consistent with the planar shape of the entire first light-emitting layer, the planar shape of the entire second light-emitting layer, and the planar shape of the entire third light-emitting layer.

11. The display panel according to claim 7, wherein: In each of the at least part of the first sub-pixel groups, the planar shape of each effective portion of the first sub-pixels arranged consecutively is a trapezoid, and the longer bottom sides of the effective portions of two consecutively arranged first light-emitting layers are close to and opposite to each other; and / or In each of the at least part of the third sub-pixel groups, the planar shape of each effective portion of the consecutively arranged third sub-pixels is a trapezoid, and the longer bottom sides of the effective portions of two consecutively arranged third light-emitting layers are close to and opposite to each other.

12. The display panel according to claim 7, wherein: The planar shape of the effective part of the first light-emitting layer, the planar shape of the effective part of the second light-emitting layer, and the planar shape of the effective part of the third light-emitting layer are all rectangular.

13. The display panel according to claim 7, wherein: In each sub-pixel group of at least part of the sub-pixel group, sides of the effective part correspond one-to-one with sides of the outer contour of the edge part, each pair of corresponding sides of the effective part and the outer contour of the edge part are close to and opposite to each other, and a spacing between each pair of corresponding sides of the effective part and the outer contour of the edge part is less than or equal to 9 μm.

14. The display panel according to claim 13, wherein: In the first sub-pixel, the second sub-pixel, and the third sub-pixel, the distances from the side of the effective portion to the side of the outer contour of the edge portion are equal.

15. The display panel according to claim 1, wherein: There is a gap between the second light-emitting layer of the second sub-pixel group and the second light-emitting layer of the second sub-pixel group arranged continuously with the second sub-pixel group; The distance between two adjacent effective parts of the second light-emitting layer of the integrated structure of the second sub-pixel group is smaller than the distance between two adjacent effective parts of the second light-emitting layer having the interval therebetween.

16. The display panel according to claim 1, wherein: The ratio of the area of ​​the effective part of each of the first sub-pixels to the area of ​​the entire light-emitting layer of each of the first sub-pixels is 17%; the ratio of the area of ​​the effective part of each of the second sub-pixels to the area of ​​the entire light-emitting layer of each of the second sub-pixels is 21%; the ratio of the area of ​​the effective part of each of the third sub-pixels to the area of ​​the entire light-emitting layer of each of the third sub-pixels is 30%.

17. The display panel according to claim 1, wherein: A first sub-pixel and a third sub-pixel located adjacent to each other in one of the first sub-pixel columns, and a second sub-pixel located in the second sub-pixel column adjacent to the one first sub-pixel column constitute a pixel; or, One first sub-pixel, one second sub-pixel, and one third sub-pixel respectively located in the first sub-pixel group, the second sub-pixel group, and the third sub-pixel group arranged consecutively in the first direction constitute one pixel.

18. The display panel according to claim 1, wherein: The plurality of pixels are periodically arranged in the first direction and the second direction respectively; In one of the pixels, the first sub-pixel, the second sub-pixel and the third sub-pixel are not aligned in the second direction, and an edge of the second sub-pixel close to the first sub-pixel and the third sub-pixel overlaps with edges of both the first sub-pixel and the third sub-pixel close to the second sub-pixel.

19. The display panel according to claim 1, wherein: A plurality of the second sub-pixels located in the same row overlap in the second direction, and a plurality of the second sub-pixels located in the same column overlap in the first direction.

20. The display panel according to claim 1, wherein: The longest direction of the effective part of at least one of the first sub-pixel, the second sub-pixel and the third sub-pixel has an angle with the first direction or the second direction, and the angle is greater than zero and less than or equal to 45 degrees.

21. The display panel according to claim 1, wherein: A length of the effective portion of the second sub-pixel in the second direction is greater than a length of the effective portion of the first sub-pixel in the second direction, and greater than a length of the effective portion of the third sub-pixel in the second direction.

22. The display panel according to claim 1, wherein: In each of the first sub-pixel groups, effective portions of the first light-emitting layers of two consecutively arranged first sub-pixels are symmetrical with respect to a first symmetry axis extending along the first direction; and / or In each of the second sub-pixel groups, effective portions of the second light-emitting layers of two consecutively arranged second sub-pixels are symmetrical with respect to a second symmetry axis extending along the first direction; and / or In each of the third sub-pixel groups, effective portions of the third light emitting layers of two consecutively arranged third sub-pixels are symmetrical with respect to a third symmetry axis extending along the first direction.

23. The display panel according to claim 1, wherein: The geometric centers of the planar shapes of the first sub-pixel group, the second sub-pixel group, and the third sub-pixel group arranged in the first direction and located in the same row are substantially located on the same straight line extending along the first direction.

24. The display panel according to claim 1, wherein: In each of the first sub-pixel groups, effective portions of the first light-emitting layers of two consecutively arranged first sub-pixels are symmetrical with respect to a first symmetry axis extending along a first direction, and in each of the first sub-pixel groups, the effective portion of each first sub-pixel includes a near edge close to the first symmetry axis and a far edge far from the first symmetry axis, and the length of the near edge of the effective portion of each first sub-pixel is greater than the length of the far edge of each first sub-pixel; and / or In each of the third sub-pixel groups, effective parts of the third light-emitting layers of two consecutively arranged third sub-pixels are symmetrical with respect to a third symmetry axis extending along the first direction, and in each of the third sub-pixel groups, the effective part of each third sub-pixel includes a near edge close to the third symmetry axis and a far edge far from the third symmetry axis, and the length of the near edge of the effective part of each third sub-pixel is greater than the length of the far edge of the effective part of each third sub-pixel.

25. The display panel according to claim 24, wherein: In each of the second sub-pixel groups, effective portions of the second light-emitting layers of two consecutively arranged second sub-pixels are symmetrical with respect to a second symmetry axis extending along the first direction; At least two of the distance from the near edge of the effective part of each first subpixel of each first subpixel group to the second axis of symmetry, the distance from the near edge of the effective part of each second subpixel of each second subpixel group to the second axis of symmetry, and the distance from the near edge of the effective part of each third subpixel of each third subpixel group to the third axis of symmetry are basically equal.

26. The display panel according to claim 1, wherein: In each of the second sub-pixel groups, effective portions of the second light-emitting layers of two consecutively arranged second sub-pixels are symmetrical with respect to a second symmetry axis extending along the first direction; The first direction is the width direction of each sub-pixel, and the effective part of each of the second sub-pixels has a first width, a second width and a third width in the first direction that are successively away from the second symmetry axis, the second width is greater than the first width, and the third width is greater than the first width.

27. The display panel according to claim 1, wherein: The first direction is the width direction of each sub-pixel, and the second direction is the length direction of each sub-pixel; In one of the pixels, the aspect ratio of the effective portion of the second sub-pixel is greater than the aspect ratio of the effective portion of the third sub-pixel, and greater than the aspect ratio of the effective portion of the first sub-pixel.

28. The display panel according to claim 27, wherein: The width of the effective portion of the second sub-pixel in the width direction is smaller than the width of the effective portion of the first sub-pixel in the width direction, and smaller than the width of the effective portion of the third sub-pixel in the width direction.

29. The display panel according to claim 27, wherein: The length of the second sub-pixel in the length direction is greater than the length of the first sub-pixel in the length direction, and greater than the length of the third sub-pixel in the length direction.

30. The display panel according to claim 27, wherein: The effective portion of the first sub-pixel has an aspect ratio of 1:2.5 to 1:1, the effective portion of the second sub-pixel has an aspect ratio of 9:1 to 2:1, and the effective portion of the third sub-pixel has an aspect ratio of 3:1 to 1:

1.

31. The display panel according to claim 1, wherein: The planar shape of the effective part of the second light-emitting layer is a polygon, and the planar shape of the effective part of the second light-emitting layer includes a first parallel side and a second parallel side, the first parallel side is parallel to at least one side of the effective part of the first light-emitting layer adjacent to the second light-emitting layer, and the second parallel side is parallel to at least one side of the effective part of the third light-emitting layer adjacent to the second light-emitting layer.

32. The display panel according to claim 1, wherein: The effective portion of the second light-emitting layer has a symmetry axis in the same direction as the effective portions of the first and third light-emitting layers, or the effective portion of the second light-emitting layer does not have a symmetry axis in the same direction as the effective portions of the first and third light-emitting layers.

33. The display panel according to claim 1, wherein: In the first direction, the light-emitting layer of the second sub-pixel group is in contact with the light-emitting layers of the first sub-pixel group and the third sub-pixel group adjacent thereto, respectively; in the second direction, the light-emitting layer of the first sub-pixel group is in contact with the light-emitting layer of the third sub-pixel group adjacent thereto.

34. The display panel according to claim 33, wherein: In at least one of the second sub-pixel groups, the planar shape of the integrated structure formed by the second light-emitting layers of two consecutively arranged second sub-pixels has a first size, a second size and a third size in the first direction, the first size, the second size and the third size are arranged sequentially in the second direction, and the first size is greater than the second size, the third size is greater than the second size, and the maximum length of the planar shape of the integrated structure formed by the second light-emitting layers of two consecutively arranged second sub-pixels in the second direction is greater than its maximum width in the first direction.

35. A display device comprising the display panel according to any one of claims 1-34.

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