CN119584796A - Display panel and display device - Google Patents

Abstract

The application discloses a display panel and a display device, comprising a substrate base plate, a plurality of sub-pixel units and a plurality of power lines. The substrate base plate is provided with a display area and a non-display area, and a plurality of sub-pixel units are positioned in the display area and comprise a first sub-pixel unit and a second sub-pixel unit which have different luminous colors. The plurality of power lines are at least positioned in the display area and comprise a first power line connected with the first sub-pixel unit and a second power line connected with the second sub-pixel unit, the size of the first power line in a first direction is larger than that of the second power line in the first direction, and the first direction is perpendicular to the extending direction of the power lines.

Description

Display panel and display device

Technical Field

The application belongs to the technical field of display, and particularly relates to a display panel and a display device.

Background

SDP (English: SEPARATE DRIVING Pixel, chinese: independent Pixel driving) is a power consumption reduction scheme designed by optimizing a backboard Pixel circuit, and VDD of three sub-Pixel units of R (English: red, chinese: red), G (English: green, chinese: green) and B (English: blue, chinese: blue) are separately and independently driven, and one data line only drives sub-Pixel units of one color. Compared with the power supply mode that R, G, B sub-pixel units share one path of VDD, the SDP three paths of VDD which are mutually independent can be accurately matched with the driving voltages of the three colors of sub-pixel units, and the power consumption is reduced. However, the voltage drop across three paths VDD varies, which may cause color bias and color uniformity to exceed the standard.

Disclosure of Invention

The application provides a display panel and a display device, which aim to solve the problems of color cast and chromaticity uniformity exceeding at least to a certain extent.

In a first aspect of the present application, there is provided a display panel including:

a substrate base plate having a display region and a non-display region;

The plurality of sub-pixel units are positioned in the display area and comprise a first sub-pixel unit and a second sub-pixel unit which have different luminous colors;

The display device comprises a display area, a plurality of power lines, a first display area, a second display area and a first display area, wherein the power lines are at least positioned in the display area and comprise a first power line connected with the first sub-pixel unit and a second power line connected with the second sub-pixel unit, the size of the first power line in a first direction is larger than that of the second power line in the first direction, and the first direction is perpendicular to the extending direction of the power lines.

In some embodiments, the first direction is parallel to the substrate base.

In some embodiments, the power line is a metal line parallel to the substrate, and the width of the metal line in the first power line is larger than that of the metal line in the second power line.

In some embodiments, the power supply line comprises a first metal line parallel to the substrate base plate and extending at least partially along a second direction, the power supply line comprising at least two first metal lines further comprises a second metal line parallel to the substrate base plate, two adjacent first metal lines in the same power supply line are connected through the second metal line, the first power supply line comprises at least two first metal lines, and the sum of the widths of the first metal lines in the first power supply line is larger than the sum of the widths or the widths of the first metal lines in the second power supply line.

In some embodiments, the first metal lines in the first power line have the same width as the first metal lines in the second power line, and the number of the first metal lines in the first power line is greater than the number of the first metal lines in the second power line.

In some embodiments, at least one of the first power lines has a width different from a width of the first metal lines in the second power lines, and the number of the first metal lines in the first power lines is greater than or equal to the number of the first metal lines in the second power lines.

In some embodiments, the operating current in the first power line is greater than the operating current in the second power line.

In some embodiments, the plurality of sub-pixel units further includes a third sub-pixel unit having a different emission color from each of the first sub-pixel unit and the second sub-pixel unit, the plurality of power lines further includes a third power line connected to the third sub-pixel unit, and a size of the third power line in the first direction is smaller than a size of the first power line in the first direction.

In some embodiments, the third power line has a dimension in the first direction that is greater than a dimension of the second power line in the first direction.

In some embodiments, the first power line, the second power line, and the third power line each extend at least partially in a second direction, the first power line and the third power line are alternately arranged in a direction perpendicular to the second direction, and the second power line is located between adjacent first power line and third power line.

In some embodiments, the power line is a metal line extending at least partially along the second direction, and the center lines of the first power line and the adjacent second power line, and the center lines of the third power line and the adjacent second power line all extend along the second direction.

In some embodiments, the plurality of power lines comprises a plurality of first metal line combinations and a plurality of second metal line combinations, the first metal line combinations and the second metal line combinations are alternately arranged along a direction perpendicular to the second direction, each of the first metal line combinations and the second metal line combinations comprises a third metal line and a fourth metal line which extend at least partially along the second direction and are symmetrical with respect to a central axis, the first metal line combinations further comprise a fifth metal line which extends at least partially along the second direction, the fifth metal line and the third metal line in the first metal line combinations are connected, the third metal line and the fifth metal line in the first metal line combinations belong to the first power line, the fourth metal line in the first metal line combinations and the second metal line combinations belong to the second power line, and the third metal line in the second metal line combinations belong to the third power line.

In some embodiments, the fifth metal line in the first metal line combination is located on the symmetry axis of the third metal line and the fourth metal line in the same first metal line combination.

In some embodiments, the second wire combination further comprises the fifth wire, the fifth wire in the second wire combination being located on an axis of symmetry of the third wire and the fourth wire in the same second wire combination.

In some embodiments, the fifth metal line in the second metal line combination is connected to a ground line.

In some embodiments, the fifth metal line in the second metal line combination is connected with the third metal line, the fifth metal line in the second metal line combination belongs to the third power line, and the width of the fifth metal line in the second metal line combination is smaller than that of the fifth metal line in the first metal line combination.

In some embodiments, the display panel further includes:

The display device comprises a display area, a plurality of connecting lines, a first connecting line and a second connecting line, wherein the plurality of connecting lines are positioned in the display area and comprise a first connecting line connected with the first power line to form a grid communication structure and a second connecting line connected with the second power line to form a grid communication structure, and the sum of the widths of the first connecting lines is larger than the sum of the widths of the second connecting lines in a third direction perpendicular to the extending direction of the connecting lines.

In some embodiments, the display panel further includes:

the first power supply lead is positioned in the non-display area and connected with the first power supply line;

and the width of the first power supply lead is larger than that of the second power supply lead in a fourth direction perpendicular to the extending direction of the power supply lead.

In a second aspect of the application, there is provided a display device comprising a display panel as provided in the first aspect.

A display panel and a display device provided according to one or more embodiments of the present application include a substrate base, a plurality of sub-pixel units, and a plurality of power lines. The substrate base plate is provided with a display area and a non-display area, a plurality of sub-pixel units are positioned in the display area and comprise a first sub-pixel unit and a second sub-pixel unit which have different luminous colors, a plurality of power lines are at least positioned in the display area and comprise a first power line connected with the first sub-pixel unit and a second power line connected with the second sub-pixel unit, the size of the first power line in a first direction is larger than that of the second power line in the first direction, the first direction is perpendicular to the extending direction of the power lines, and by means of carrying out differential design on the power lines of different sub-pixel units, the sizes of the power lines of different sub-pixel units in the extending direction are different, different voltage drops of different sub-pixels caused by different currents can be compensated, the voltage drop difference between the different sub-pixels VDD is reduced or even eliminated, and color cast and chromaticity uniformity are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic top view of a display panel according to the related art.

Fig. 2 is a schematic top view of another display panel according to the related art.

Fig. 3 shows a schematic top view of a display panel in one or more embodiments of the application.

Fig. 4 is a schematic top view of a display panel according to another embodiment of the application.

Fig. 5 shows a schematic top view of a display panel according to still another embodiment of the present application.

Fig. 6 shows a schematic top view of a display panel according to still another embodiment of the present application.

Fig. 7 shows a schematic top view of a display panel according to still another embodiment of the present application.

Fig. 8 shows a schematic top view of a display panel according to still another embodiment of the present application.

Fig. 9 shows a schematic top view of a display panel according to still another embodiment of the present application.

Fig. 10 is a schematic diagram of a layer of a power line according to an embodiment of the present application.

Fig. 11 is a schematic diagram of a layer of a power line according to another embodiment of the present application.

Fig. 12 is a schematic diagram of a layer of a power line according to another embodiment of the present application.

Fig. 13 is a schematic diagram of a layer of a power line according to another embodiment of the present application.

Fig. 14 is a schematic diagram showing a design of the sub-pixel unit disposed on the power line of fig. 10.

Fig. 15 shows a schematic design of the sub-pixel unit disposed on the power line of fig. 11.

Fig. 16 is a schematic diagram showing a design of the sub-pixel unit disposed on the power line of fig. 12.

Fig. 17 is a schematic diagram showing a design of the sub-pixel unit disposed on the power line of fig. 13.

Fig. 18 is a schematic view showing a partial structure of a display panel in an embodiment of the present application.

Fig. 19 is a schematic view showing a partial structure of a display panel in another embodiment of the present application.

Fig. 20 is a diagram showing an effect comparison of a display panel in various embodiments of the present application.

Fig. 21 is a schematic view showing a partial structure of a display panel in still another embodiment of the present application.

The reference numerals illustrate 11' of red subpixel unit, 12' of green subpixel unit, 13' of blue subpixel unit, 20' of power line, 21' of red power line, 22' of green power line, 23' of blue power line, 30' of power line, 31' of red power line, 32' of green power line, 33' of blue power line, 10 of substrate, 11 of display area, 12 of non-display area, 121 of frame area, 122 of binding area, 21 of first subpixel unit, 22 of second subpixel unit, 23 of third subpixel unit, 31 of first power line, 32 of second power line, 33 of third power line, 34 of first connecting line, 35 of second connecting line, 36 of third connecting line, 39 of first power line, 38 of second power line, 37 of third power line, 41 of first metal line, 42 of second metal line, 43 of third metal line, 44 of third metal line, 45 of third metal line, and a combination of first metal lines and 51 of fourth metal line.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Fig. 1 is a schematic top view of a display panel in the related art, referring to fig. 1, red sub-pixel units 11', green sub-pixel units 12', and blue sub-pixel units 13' are arranged in an array. In each row of the sub-pixel units, the red sub-pixel units 11' and the blue sub-pixel units 13' are alternately arranged, and the green sub-pixel unit 12' is located between the adjacent red sub-pixel units 11' and blue sub-pixel units 13 '. In two adjacent columns of sub-pixel units, one column of sub-pixel units is formed by alternately arranging red sub-pixel units 11' and blue sub-pixel units 13', and the other column of sub-pixel units is formed by sequentially arranging a plurality of green sub-pixel units 12 '. Each row of sub-pixel units is correspondingly provided with a power line 20' extending along the row direction, and each power line 20' is respectively connected with each sub-pixel unit in the corresponding row and connected with the same power lead 30' to form a path of VDD. Because the driving voltages of the three sub-pixel units are different, the power consumption of the three sub-pixel units sharing one path of VDD is larger.

Fig. 2 is a schematic top view of another display panel in the related art, please refer to fig. 2, in which the arrangement of the red sub-pixel 11', the green sub-pixel 12' and the blue sub-pixel 13' is identical to that of fig. 1, and detailed description thereof is omitted. The red power line 21', the green power line 22', and the blue power line 23' are respectively disposed corresponding to one column of the sub-pixel units and extend in the column direction. In the row direction, the red power lines 21' and the blue power lines 23' are alternately arranged, and the green power lines 22' are located between adjacent red power lines 21' and blue power lines 23 '. The red sub-pixel unit 11 'is connected to the nearest red power line 21', the green sub-pixel unit 12 'is connected to the nearest green power line 22', and the blue sub-pixel unit 13 'is connected to the nearest blue power line 23'. The red power supply lead 31', the green power supply lead 32', and the blue power supply lead 33' are sequentially disposed in the column direction and extend in the row direction, respectively. The red power line 21 'is connected to the red power line 31', the green power line 22 'is connected to the green power line 32', and the blue power line 23 'is connected to the blue power line 33', so as to form three paths of independent VDD. VDD of the three sub-pixel units are separately and independently driven, so that driving voltages of the three color sub-pixel units are precisely matched, and power consumption is reduced. However, due to the characteristics of an OLED (Organic Light-Emitting Diode) display, the three sub-pixel units have different currents when displaying a white picture, so that three paths of VDD with equal width have different voltage drops, which causes color shift and chromaticity uniformity to exceed standards.

Fig. 3 is a schematic top view of a display panel according to one or more embodiments of the present application, referring to fig. 3, a display panel according to a first aspect of the present application is provided, and the display panel includes a substrate 10, a plurality of sub-pixel units and a plurality of power lines. The substrate base 10 has a display region 11 and a non-display region 12. The plurality of sub-pixel units are located in the display area 11, and include a first sub-pixel unit 21 and a second sub-pixel unit 22 having different emission colors. The plurality of power lines are at least located in the display area 11 and include a first power line 31 connected to the first sub-pixel unit 21 and a second power line 32 connected to the second sub-pixel unit 22. The first power line 31 has a larger dimension in a first direction than the second power line 32, the first direction being perpendicular to the direction of extension of the power lines.

The display panel includes a substrate 10, a plurality of sub-pixel units and a plurality of power lines, the substrate 10 has a display area 11 and a non-display area 12, the plurality of sub-pixel units are located in the display area 11 and include a first sub-pixel unit 21 and a second sub-pixel unit 22 with different light emitting colors, the plurality of power lines are located at least in the display area 11 and include a first power line 31 connected with the first sub-pixel unit 21 and a second power line 32 connected with the second sub-pixel unit 22, the size of the first power line 31 in a first direction is larger than the size of the second power line 32 in a first direction, the first direction is perpendicular to the extending direction of the power lines, and by differently designing the power lines of different sub-pixel units to have different sizes perpendicular to the extending direction, the voltage drop difference of different sub-pixel units under different currents can be compensated, and color bias and chromaticity uniformity overscale can be improved.

For example, referring to fig. 3, the non-display area 12 may be located on at least one side of the display area 11.

Referring to fig. 3, the non-display area 12 may include a border area 121 and a binding area 122. The bezel area 121 at least partially surrounds the display area 11. The binding area 122 is located at a side of the bezel area 121 remote from the display area 11, and may be folded to the back of the display panel.

Illustratively, a plurality of sub-pixel units may be arranged in an array on the substrate base 10.

Referring to fig. 3, the plurality of sub-pixel units may further include a third sub-pixel unit 23 having a different emission color from each of the first sub-pixel unit 21 and the second sub-pixel unit 22. Taking the first sub-pixel unit 21 as a blue sub-pixel unit, the second sub-pixel unit 22 as a green sub-pixel unit, and the third sub-pixel unit 23 as a red sub-pixel unit as an example, in each row of sub-pixel units, the first sub-pixel unit 21 and the third sub-pixel unit 23 may be alternately arranged, and the second sub-pixel unit 22 is located between the adjacent first sub-pixel unit 21 and third sub-pixel unit 23. In the adjacent two columns of sub-pixel units, one column of sub-pixel units may be alternately arranged with the first sub-pixel unit 21 and the third sub-pixel unit 23, and the other column of sub-pixel units may be sequentially arranged with a plurality of second sub-pixel units.

Adjacent two rows of sub-pixel units may be alternately arranged in the row direction, and adjacent two columns of sub-pixel units may be alternately arranged in the column direction. Also taking the first sub-pixel unit 21 as a blue sub-pixel unit, the second sub-pixel unit 22 as a green sub-pixel unit, and the third sub-pixel unit 23 as a red sub-pixel unit as an example, in two adjacent rows of sub-pixel units, one row of sub-pixel units may be alternately arranged with the first sub-pixel unit 21 and the third sub-pixel unit 23, another column of sub-pixel units may be sequentially arranged with a plurality of second sub-pixel units, and the second sub-pixel unit 22 is located between the adjacent first sub-pixel unit 21 and third sub-pixel unit 23. In the adjacent two columns of sub-pixel units, one column of sub-pixel units may be alternately arranged with the first sub-pixel unit 21 and the third sub-pixel unit 23, the other column of sub-pixel units may be sequentially arranged with a plurality of second sub-pixel units, and the second sub-pixel unit 22 is located between the adjacent first sub-pixel unit 21 and third sub-pixel unit 23.

For example, referring to fig. 3, a plurality of power lines may be disposed parallel to the substrate base 10. The power supply line may extend at least partially in the column direction, and the plurality of power supply lines may be sequentially disposed in the row direction.

Referring to fig. 3, the plurality of power lines may further include a third power line 33 connected to the third pixel unit 23. Taking the first power line 31 as a blue power line, the second power line 32 as a green power line, and the third power line 33 as a red power line as an example, the first power line 31 and the third power line 33 may be alternately arranged in the row direction, and the second power line 32 is located between adjacent first power line 31 and third power line 33.

Referring to fig. 3, each power line may be disposed corresponding to a row of sub-pixel units. The orthographic projection of the power supply line on the substrate 10 may overlap with the orthographic projection portion of each sub-pixel unit of the corresponding column on the substrate 10. Also taking the first power line 31 as a blue power line, the second power line 32 as a green power line, and the third power line 33 as a red power line as an example, the orthographic projections of the first power line 31 and the third power line 33 on the substrate 10 may overlap with the orthographic projection portions of a row of sub-pixel units alternately arranged with the first sub-pixel unit 21 and the third sub-pixel unit 23 on the substrate 10. The orthographic projection of the second power line 32 on the substrate 10 may overlap with the orthographic projection portion of a row of sub-pixel units sequentially disposed with the second sub-pixel unit 22 on the substrate 10.

Such that the orthographic projection of the second sub-pixel unit 22 on the substrate 10 overlaps with the orthographic projection of the second power line 32 on the substrate 10, the second sub-pixel unit 22 may be connected to the second power line 32 through the communication hole. When the orthographic projection of the first sub-pixel unit 21 on the substrate base 10 overlaps with the orthographic projection portion of the third power line 33 on the substrate base 10, the first sub-pixel unit 21 may be connected to the third power line 33 through the communication hole. When the orthographic projection of the third sub-pixel unit 23 on the substrate 10 overlaps with the orthographic projection portion of the first power line 31 on the substrate 10, the third sub-pixel unit 23 may be connected to the first power line 31 through the communication hole.

When the front projection of the first sub-pixel unit 21 on the substrate 10 overlaps with the front projection of the first power line 31 on the substrate 10, the first sub-pixel unit 21 may be connected to the third power line 33 nearest thereto through the patch cord. When the orthographic projection of the third sub-pixel unit 23 on the substrate 10 overlaps with the orthographic projection of the third power line 33 on the substrate 10, the third sub-pixel unit 23 may be connected to the first power line 31 nearest thereto through the patch cord.

In some embodiments, the power lines may be disposed on the same layer or on different layers. When the first power line 31 and the second power line 32 are disposed at different layers, the thickness of the first power line 31 may be greater than the thickness of the second power line 32 in a direction perpendicular to the substrate 10 to achieve that the size of the first power line 31 in the first direction is greater than the size of the second power line 32 in the first direction, i.e., the first direction is a direction perpendicular to the substrate 10.

In some embodiments, referring to fig. 3, the first direction may be parallel to the substrate base plate 10. At this time, in the direction perpendicular to the substrate 10, the thickness of the first power line 31 and the thickness of the second power line 32 may be the same, and the first power line 31 and the second power line 32 may be disposed in the same layer, so as to save the process and reduce the cost. That is, the plurality of power lines may be disposed in the same layer, and the thicknesses of the first, second, and third power lines 31, 32, and 33 may be the same in a direction perpendicular to the substrate 10.

The power supply line may be a metal line, or may include a plurality of metal lines that are at least partially parallel and connected to each other. When the power line is a metal line, the dimension of the power line in the first direction is the width of the metal line. When the power supply line includes a plurality of metal lines, a dimension of the power supply line in the first direction is a sum of widths of the plurality of metal lines.

In one possible embodiment, referring to fig. 3, the power line may be a metal line parallel to the substrate 10. The width of the metal lines in the first power line 31 may be greater than the width of the metal lines in the second power line 32.

For example, referring to fig. 3, the metal line may extend at least partially along a column direction of the pixel cell array, and the first direction may be a row direction of the pixel cell array.

Fig. 4 is a schematic top view of a display panel according to another embodiment of the present application, referring to fig. 4, in another possible embodiment, the power line may include first metal lines 41 parallel to the substrate 10 and extending at least partially along the second direction, the power line including at least two first metal lines 41 may further include second metal lines 42 parallel to the substrate 10, and two adjacent first metal lines 41 in the same power line are connected by the second metal lines 42. The first power line 31 includes at least two first metal lines 41, and a width sum of the first metal lines 41 in the first power line 31 may be greater than a width or a width sum of the first metal lines 41 in the second power line 32.

When the second power line 32 includes only one first metal line 41, the sum of the widths of the first metal lines 41 in the first power line 31 is larger than the width of the first metal lines 41 in the second power line 32. When the second power line 32 includes at least two first metal lines 41, the sum of the widths of the first metal lines 41 in the first power line 31 is greater than the sum of the widths of the first metal lines 41 in the second power line 32.

For example, referring to fig. 4, the second direction may be a column direction of the pixel cell array, and the first direction may be a row direction of the pixel cell array.

In the two possible embodiments described above, the first power line 31 may be a blue power line and the second power line 32 may be a green power line. The first power line 31 may be a blue power line, and the second power line 32 may be a red power line. The first power line 31 may be a red power line, and the second power line 32 may be a green power line.

Illustratively, the widths of the first metal lines 41 in the power lines may be the same or different. The widths of the first metal lines 41 in different power lines may be the same or different.

In one possible embodiment, referring to fig. 4, the widths of the first metal lines 41 in the power lines are the same, and the widths of the first metal lines 41 in the different power lines are the same, where the widths of the first metal lines 41 in the first power line 31 are the same as the widths of the first metal lines 41 in the second power line 32, and the number of first metal lines 41 in the first power line 31 is greater than the number of first metal lines 41 in the second power line 32. For example, the number of the first metal lines 41 in the first power line 31 is two, the number of the first metal lines 41 in the second power line 32 is one, and the sum of the widths of the first metal lines 41 in the first power line 31 is larger than the width of the first metal lines 41 in the second power line 32.

Fig. 5 is a schematic top view of a display panel according to another embodiment of the application, referring to fig. 5, in another possible embodiment, the widths of the first metal lines 41 in the power lines are the same, and the widths of the first metal lines 41 in the different power lines are different, where the widths of the first metal lines 41 in the first power line 31 are different from the widths of the first metal lines 41 in the second power line 32.

For example, referring to fig. 5, the width of the first metal lines 41 in the first power line 31 may be greater than the width of the first metal lines 41 in the second power line 32, and the number of the first metal lines 41 in the first power line 31 may be greater than or equal to the number of the first metal lines 41 in the second power line 32. For example, the number of the first metal lines 41 in the first power line 31 is two, the number of the first metal lines 41 in the second power line 32 is one, and the width of each first metal line 41 in the first power line 31 is larger than the width of the first metal line 41 in the second power line 32, and the width of the first metal line 41 in the first power line 31 and the width of the first metal line 41 in the second power line 32 are larger.

Fig. 6 is a schematic top view of a display panel according to another embodiment of the application, referring to fig. 6, in yet another possible embodiment, the widths of the first metal lines 41 in the power lines are different, and the widths of the first metal lines 41 in the different power lines are the same, where the width of at least one first metal line 41 in the first power line 31 is the same as the width of the first metal line 41 in the second power line 32.

For example, referring to fig. 6, the number of first metal lines 41 in the first power line 31 may be greater than the number of first metal lines 41 in the second power line 32, where the width of at least one first metal line 41 in the first power line 31 is different from the width of the first metal line 41 in the second power line 32. For example, the number of the first metal wires 41 in the first power supply line 31 is two, the number of the first metal wires 41 in the second power supply line 32 is one, the widths of the two first metal wires 41 in the first power supply line 31 are different, the width of the first metal wire 41 with smaller width in the first power supply line 31 is the same as the width of the first metal wire 41 in the second power supply line 32, and the width of the first metal wire 41 in the first power supply line 31 is larger than the width of the first metal wire 41 in the second power supply line 32.

Fig. 7 is a schematic top view of a display panel according to another embodiment of the present application, referring to fig. 7, in yet another possible embodiment, the widths of the first metal lines 41 in the power lines are different, and the widths of the first metal lines 41 in the different power lines are different, where the width of at least one first metal line 41 in the first power line 31 is different from the width of the first metal line 41 in the second power line 32.

For example, referring to fig. 7, the width of the first metal line 41 having the smallest width among the first power lines 31 may be greater than or equal to the width of the first metal line 41 having the largest width among the second power lines 32.

For example, referring to fig. 7, the number of first metal lines 41 in the first power line 31 may be greater than or equal to the number of first metal lines 41 in the second power line 32. For example, the number of the first metal wires 41 in the first power supply line 31 is two, the number of the first metal wires 41 in the second power supply line 32 is one, the widths of the two first metal wires 41 in the first power supply line 31 are different from the widths of the first metal wires 41 in the second power supply line 32, and the widths of the first metal wires 41 in the first power supply line 31 are larger than the widths of the first metal wires 41 in the second power supply line 32.

In some embodiments, the working current in the first power line 31 may be greater than the working current in the second power line 32, where the working current is the current of the sub-pixel unit connected to the power line when the display panel displays a white picture. The larger the working current is, the larger the current of the connected sub-pixel units is when the display panel displays white pictures, the larger the voltage drop of the power line is, and the larger the size of the power line in the extending direction perpendicular to the power line is, the larger the compensated voltage drop is, so that the voltage drop difference of different sub-pixel units under different currents can be compensated, and the color cast and chromaticity uniformity are improved to exceed the standard.

Illustratively, the operating current in the third power line 33 may be less than the operating current in the first power line 31 and greater than the operating current in the second current line 31. In practical applications, the current ratio of the red sub-pixel unit, the green sub-pixel unit, and the blue sub-pixel unit when displaying a white image may be 3:2:5, that is, the current of the red sub-pixel unit when displaying a white image is greater than the current of the blue sub-pixel unit when displaying a white image and greater than the current of the green sub-pixel unit when displaying a white image, where the first power line 31 may be a blue power line, the second power line 32 may be a green power line, and the third power line 33 may be a red power line.

The number and width of the metal lines in the power lines can be distributed according to the current proportion when the connected sub-pixel units display white pictures, and the sizes of the different power lines in the direction perpendicular to the extending direction are designed differently, so that the voltage drop difference of each sub-pixel unit can be compensated accurately. Also taking the current ratio of the red sub-pixel unit, the green sub-pixel unit and the blue sub-pixel unit as an example when displaying a white picture, the current of the red sub-pixel unit when displaying the white picture is greater than the current of the green sub-pixel unit when displaying the white picture and less than the current of the blue sub-pixel when displaying the white picture, the size of the red power line in the direction vertical to the extending direction is greater than the size of the green power line in the direction vertical to the extending direction and greater than the size of the blue power line in the direction vertical to the extending direction.

In some embodiments, referring to fig. 3-7, the size of the third power line 33 in the first direction may be smaller than the size of the first power line 31 in the first direction to preferentially increase the size of the first power line 31 with the largest operating current in the first direction.

Illustratively, the third power line 33 may have a dimension in the first direction that is greater than the dimension of the second power line 33 in the first direction, may be smaller than the dimension of the second power line 33 in the first direction, and may be equal to the dimension of the second power line 33 in the first direction.

In one possible embodiment, referring to fig. 3, the power line is a metal line, and the width of the metal line in the third power line 33 may be smaller than the width of the metal line in the first power line 31.

In another possible embodiment, referring to fig. 4-7, the power line includes at least one first metal line 41, and the width or sum of the widths of the first metal lines 41 in the third power line 33 may be smaller than the width or sum of the widths of the first metal lines 41 in the first power line 31.

When the third power supply line 33 includes only one first metal line 41, the width of the first metal line 41 in the third power supply line 33 is smaller than the sum of the widths of the first metal lines 41 in the first power supply line 31. When the third power supply line 33 includes at least two first metal lines 41, the sum of the widths of the first metal lines 41 in the third power supply line 33 is smaller than the sum of the widths of the first metal lines 41 in the first power supply line 31.

In one possible embodiment, referring to fig. 4, the width of the first metal lines 41 in the third power line 33 is the same as the width of the first metal lines 41 in the first power line 31, and the number of the first metal lines 41 in the third power line 33 may be smaller than the number of the first metal lines 41 in the first power line 31. For example, the number of the first metal wires 41 in the first power supply line 31 is two, the number of the first metal wires 41 in the third power supply line 33 is one, the widths of the two first metal wires 41 in the first power supply line 31 are the same, the widths of the first metal wires 41 in the first power supply line 31 are the same as the widths of the first metal wires 41 in the third power supply line 33, and the sum of the widths of the first metal wires 41 in the third power supply line 33 is smaller than the sum of the widths of the first metal wires 41 in the first power supply line 31.

In another possible embodiment, referring to fig. 5-7, the width of at least one first metal wire 41 in the first power line 31 is different from the width of the first metal wire 41 in the third power line 33, and the number of first metal wires 41 in the first power line 31 may be greater than or equal to the number of first metal wires 41 in the second power line 32. For example, the number of the first metal wires 41 in the first power supply line 31 is two, the number of the first metal wires 41 in the third power supply line 33 is one, the width of at least one first metal wire 41 in the first power supply line 31 is the same as the width of the first metal wire 41 in the third power supply line 33, and the sum of the widths of the first metal wires 41 in the third power supply line 33 is smaller than the sum of the widths of the first metal wires 41 in the first power supply line 31.

In some embodiments, referring to fig. 3, the dimension of the third power line 33 in the first direction may be greater than or equal to the dimension of the second power line 32 in the first direction.

In one possible embodiment, referring to fig. 3, the power line is a metal line, and the width of the metal line in the third power line 33 may be greater than the width of the metal line in the second power line 32. The width of the metal lines in the third power line 33 may be smaller than the width of the metal lines in the first power line 33.

Fig. 8 is a schematic top view of a display panel according to another embodiment of the present application, referring to fig. 8, in another possible embodiment, the third power line 33 includes at least two first metal lines 41, and the sum of the widths of the first metal lines 41 in the third power line 33 may be greater than the sum of the widths of the first metal lines 41 in the second power line 31. The sum of the widths of the first metal lines 41 in the third power line 33 may be smaller than the sum of the widths of the first metal lines 41 in the first power line 31 at this time.

When the second power line 32 includes only one first metal line 41, the sum of the widths of the first metal lines 41 in the third power line 33 is larger than the width of the first metal lines 41 in the second power line 31. When the second power line 32 includes at least two first metal lines 41, the sum of the widths of the first metal lines 41 in the third power line 33 is greater than the sum of the widths of the first metal lines 41 in the second power line 31.

In a possible embodiment, referring to fig. 8, the width of the first metal lines 41 in the third power line 33 is the same as the width of the first metal lines 41 in the first power line 31, and the number of the first metal lines 41 in the third power line 33 may be greater than the number of the first metal lines 41 in the second power line 32. At this time, the width of the first metal lines 41 in the first power line 31 is the same as the width of the first metal lines 41 in the third power line 33, and the number of the first metal lines 41 in the third power line 33 may be smaller than the number of the first metal lines 41 in the first power line 31.

For example, the number of the first metal lines 41 in the third power line 33 is two, the number of the first metal lines 41 in the second power line 32 is one, the widths of the two first metal lines 41 in the third power line 33 are the same, the widths of the first metal lines 41 in the third power line 33 are the same as the widths of the first metal lines 41 in the second power line 32, and the sum of the widths of the first metal lines 41 in the third power line 33 is larger than the width of the first metal lines 41 in the second power line 31. At this time, the number of the first metal wires 41 in the first power wire 31 is three, the widths of the two first metal wires 41 in the first power wire 31 are the same, the width of the first metal wire 41 in the first power wire 31 is the same as the width of the first metal wire 41 in the third power wire 33, and the sum of the widths of the first metal wires 41 in the third power wire 33 is smaller than the sum of the widths of the first metal wires 41 in the first power wire 31.

Fig. 9 is a schematic top view of a display panel according to another embodiment of the application, referring to fig. 9, in another possible embodiment, a width of at least one first metal line 41 in the third power line 33 is different from a width of the first metal line 41 in the second power line 32, and a number of the first metal lines 41 in the third power line 33 may be greater than or equal to a number of the first metal lines 41 in the second power line 32. At this time, the width of at least one first metal line 41 in the first power line 33 is different from the width of the first metal line 41 in the third power line 33, and the number of first metal lines 41 in the third power line 33 may be less than or equal to the number of first metal lines 41 in the first power line 31.

For example, the number of the first metal wires 41 in the third power supply line 33 is two, the number of the first metal wires 41 in the second power supply line 32 is one, the widths of the two first metal wires 41 in the third power supply line 33 are different, the width of the first metal wire 41 with the larger width in the third power supply line 33 is the same as the width of the first metal wire 41 in the second power supply line 32, and the width of the first metal wire 41 in the third power supply line 33 is larger than the width of the first metal wire 41 in the second power supply line 31. At this time, the number of the first metal wires 41 in the first power wire 31 is two, the widths of the two first metal wires 41 in the first power wire 33 are different, the width of the first metal wire 41 with smaller width in the first power wire 31 is the same as the width of the first metal wire 41 with larger width in the third power wire 33, and the sum of the widths of the first metal wires 41 in the third power wire 33 is smaller than the width of the first metal wire 41 in the first power wire 31.

In some embodiments, referring to fig. 3-9, the first power line 31, the second power line 32, and the third power line 33 may each extend at least partially along the second direction, the first power line 31 and the third power line 33 are alternately arranged along a direction perpendicular to the second direction, and the second power line 32 is located between adjacent first power line 31 and third power line 33.

For example, referring to fig. 3 to 9, the second direction may be a column direction of the pixel cell array, and the first direction may be a row direction of the pixel cell array.

Fig. 10 is a schematic diagram of a layer of a power line according to an embodiment of the present application, referring to fig. 10, in one possible embodiment, the power line is a metal line extending at least partially along the second direction, and the center lines of the first power line 31 and the adjacent second power line 32, and the center lines of the third power line 33 and the adjacent second power line 32 may all extend along the second direction. The first power line 31 and the third power line 33 are symmetrically disposed with respect to the second power line 32, respectively, so that color shift can be prevented.

For example, referring to fig. 10, the width of the metal lines in the third power line 33 may be smaller than the width of the metal lines in the first power line 31 and larger than the width of the metal lines in the second power line 32.

Illustratively, the data lines may be disposed at the same layer as the power lines. Referring to fig. 10, three data lines may be disposed between every four power lines.

Fig. 11 is a schematic diagram of a layer of a power line according to another embodiment of the present application, referring to fig. 11, in another possible embodiment, the plurality of power lines may include a plurality of first metal line combinations 51 and a plurality of second metal line combinations 51, where the first metal line combinations 51 and the second metal line combinations 52 are alternately arranged along a direction perpendicular to the second direction. The first wire combination 51 and the second wire combination 52 each include a third wire 43 and a fourth wire 44 extending at least partially in the second direction and being symmetrical about the center axis, and the first wire combination 51 further includes a fifth wire 45 extending at least partially in the second direction, the fifth wire 45 and the third wire 43 in the first wire combination 51 being connected. The third wire 43 and the fifth wire 45 in the first wire combination 51 belong to the first power supply line 31, the fourth wire 44 in the first wire combination 51 and the second wire combination 52 belong to the second power supply line 32, and the third wire 43 in the second wire combination 52 belongs to the third power supply line 33.

For example, referring to fig. 11, the width of the metal lines in the third power line 33 may be smaller than the sum of the widths of the metal lines in the first power line 31 and equal to the width of the metal lines in the second power line 32.

For example, referring to fig. 11, the fifth wire 45 in the first wire combination 51 may be located on the symmetry axis of the third wire 43 and the fourth wire 44 in the same first wire combination 51. The third metal line 43 and the fourth metal line 44 are symmetrically disposed, and the fifth metal line 45 is disposed on the symmetry axis of the third metal line 43 and the fourth metal line 44, so that color shift can be prevented.

Fig. 12 is a schematic diagram of a layer of a power line according to another embodiment of the present application, referring to fig. 12, in some embodiments, the second metal line assembly 52 may further include a fifth metal line 45, where the fifth metal line 45 in the second metal line assembly 52 is located on a symmetry axis of the third metal line 43 and the fourth metal line 44 in the same second metal line assembly 52.

In one possible embodiment, the fifth wire 45 in the second wire combination 52 may be connected to a ground wire, which is advantageous in reducing the voltage drop of the ground wire.

Fig. 13 is a schematic view of a layer of a power line according to another embodiment of the present application, please refer to fig. 13, in which a fifth metal line 45 and a third metal line 43 in a second metal line assembly 52 can be connected. The fifth wire 45 in the second wire combination 52 belongs to the third power supply line 33, and the width of the fifth wire 45 in the second wire combination 52 is smaller than the width of the fifth wire 45 in the first wire combination 51.

Fig. 14 is a schematic design diagram of the power line of fig. 10 with a subpixel unit, fig. 15 is a schematic design diagram of the power line of fig. 11 with a subpixel unit, fig. 16 is a schematic design diagram of the power line of fig. 12 with a subpixel unit, fig. 17 is a schematic design diagram of the power line of fig. 13 with a subpixel unit, please refer to fig. 14-17, in which the front projection of the subpixel unit on the substrate 10 may overlap the front projection of two adjacent power lines on the substrate 10. Also taking the first power line 31 as a blue power line, the second power line 32 as a green power line, and the third power line 33 as a red power line as an example, the first power line 31, the second power line 32 and the third power line 33 all extend at least partially along the column direction of the sub-pixel unit, the first power line 31 and the third power line 33 are alternately arranged along the row direction of the sub-pixel unit, and the second power line 32 is located between the adjacent first power line 31 and third power line 33. The front projection of each sub-pixel unit of each column on the substrate 10 may overlap with the front projection of one of the first power line 31 and the third power line 33 on the substrate 10 and the front projection of the second power line 32 on the substrate 10, respectively.

Fig. 18 is a schematic view of a portion of a display panel according to an embodiment of the present application, referring to fig. 18, in some embodiments, the display panel may further include a plurality of connection lines in the display area 11, the plurality of connection lines including a first connection line 34 connected to the first power line 31 to form a mesh communication structure and a second connection line 35 connected to the second power line 32 to form a mesh communication structure, and a sum of widths of the first connection line 34 is greater than a sum of widths of the second connection line 35 in a third direction perpendicular to an extending direction of the connection lines.

In some embodiments, the third direction may be parallel to the substrate base plate 10. The extending direction of the connection line may intersect with the extending direction of the connected power line.

For example, the extending directions of the plurality of connection lines may be the same. The extending direction of the connecting line may be perpendicular to the extending direction of the power line, i.e., the connecting line extends in the first direction. The plurality of connection lines may be sequentially disposed along the second direction. The third direction may be parallel to the second direction.

In one possible embodiment, referring to fig. 18, the width of the first connection line 34 may be greater than the width of the second connection line 35 in the third direction.

For example, referring to fig. 18, the number of first connection lines 34 may be the same as the number of second connection lines 35.

Fig. 19 is a schematic structural diagram of a display panel according to another embodiment of the application, referring to fig. 19, the number of first connection lines 34 may be greater than the number of second connection lines 35.

For example, referring to fig. 19, in the third direction, the width of the first connection line 34 may be the same as the width of the second connection line 35.

In some embodiments, referring to fig. 18-19, the plurality of connection lines may further include a third connection line 36 connected to the third power line 33 to form a mesh communication structure, wherein a sum of widths of the third connection line 36 is smaller than a sum of widths of the first connection line 34 in the third direction.

Illustratively, in the third direction, the sum of the widths of the third connection lines 36 may be greater than the sum of the widths of the second connection lines 35, may be less than the sum of the widths of the second connection lines 35, and may be equal to the sum of the widths of the second connection lines 35.

In one possible embodiment, referring to fig. 18, the width of the third connection line 36 may be smaller than the width of the first connection line 34 in the third direction.

For example, referring to fig. 18, the number of third connection lines 36 may be the same as the number of first connection lines 34.

In another possible embodiment, referring to fig. 19, the number of third connecting lines 36 may be smaller than the number of first connecting lines 34.

For example, referring to fig. 19, in the third direction, the width of the third connection line 36 may be the same as the width of the first connection line 34.

In some embodiments, referring to fig. 18-19, in the third direction, the sum of the widths of the third connection lines 36 may be greater than the sum of the widths of the second connection lines 35, where the sum of the widths of the third connection lines 36 is less than the sum of the widths of the first connection lines 34.

In a possible embodiment, referring to fig. 18, in the third direction, the width of the third connection line 36 may be larger than the second connection line 35, where the width of the third connection line 36 is also smaller than the width of the first connection line 34.

For example, referring to fig. 18, the number of first connection lines 34, the number of second connection lines 35, and the number of third connection lines 36 may be the same.

In another possible embodiment, referring to fig. 19, the number of third connection lines 36 may be greater than the number of second connection lines 35, where the number of third connection lines 36 is also less than the number of first connection lines 34.

For example, referring to fig. 19, in the third direction, the width of the first connection line 34, the width of the second connection line 35, and the width of the third connection line 36 may be the same.

Fig. 20 is a comparison graph of effects of display panels according to various embodiments of the present application, referring to fig. 20, the widths and numbers of the connection lines are different, the widths of the power lines and the numbers of the connection lines are different, and the 9-point uniformity simulation results of the same power lines and connection lines show that the effect of the different widths of the power lines on the 9-point uniformity improvement effect is the greatest, and the effect of the different numbers of the superimposed connection lines on the 9-point uniformity improvement effect is the best.

Fig. 21 is a schematic view showing a part of a structure of a display panel according to still another embodiment of the present application, referring to fig. 21, in some embodiments, the display panel may further include a first power lead 39 and a second power lead 38. The first power supply line 38 is located in the non-display area 12 and connected to the first power supply line 31. The second power supply line 38 is located in the non-display area 12 and connected to the second power supply line 32. In a fourth direction perpendicular to the extending direction of the power supply leads, the width of the first power supply lead 39 is larger than the width of the second power supply lead 38.

In some embodiments, the power lines may also be partially located within the non-display area 12 to connect with the power leads. The extending direction of the power supply lead may intersect with the extending direction of the connected power supply line. The fourth direction may be parallel to the base substrate 10.

Illustratively, the direction of extension of the power supply leads may be the same, i.e., the direction of extension of the first power supply lead 39 may be the same as the direction of extension of the second power supply lead 38. The direction of extension of the power supply leads may be perpendicular to the direction of extension of the power supply lines, i.e. the power supply leads extend in the first direction. The first power supply lead 39 and the second power supply lead 38 may be sequentially disposed in the second direction. The fourth direction may be parallel to the second direction.

In some embodiments, referring to fig. 21, the display panel may further include a third power lead 37. The third power supply line 37 is located in the non-display area and connected to the third power supply line 33. In the fourth direction, the width of the third power supply lead 37 may be smaller than the width of the first power supply lead 39.

Illustratively, referring to fig. 21, in the fourth direction, the width of the third power lead 37 may be greater than the width of the second power lead 38.

In a second aspect, the present application provides a display device, which includes the display panel provided in any one of the above embodiments.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In the present application, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and for example, "fixed" may be a fixed connection, may be a removable connection or an integral body, may be a mechanical connection or an electrical connection, may be a direct connection or may be an indirect connection through an intermediary, and may be a communication between two elements or an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims (19)

1. A display panel, the display panel comprising:

a substrate base (10) having a display region (11) and a non-display region (12);

a plurality of sub-pixel units, which are positioned in the display area (11) and comprise a first sub-pixel unit (21) and a second sub-pixel unit (22) with different luminous colors;

The display device comprises a plurality of power lines, at least positioned in the display area (11), and comprises a first power line (31) connected with the first sub-pixel unit (21) and a second power line (32) connected with the second sub-pixel unit (22), wherein the size of the first power line (31) in a first direction is larger than that of the second power line (32) in the first direction, and the first direction is perpendicular to the extending direction of the power lines.

2. A display panel according to claim 1, characterized in that the first direction is parallel to the substrate base plate (10).

3. The display panel according to claim 2, wherein the power supply line is a metal line parallel to the substrate (10), and wherein the width of the metal line in the first power supply line (31) is larger than the width of the metal line in the second power supply line (32).

4. The display panel according to claim 2, wherein the power supply lines comprise first metal lines (41) parallel to the substrate base plate (10) and extending at least partially in a second direction, the power supply lines comprising at least two of the first metal lines (41) further comprise second metal lines (42) parallel to the substrate base plate (10), adjacent two of the first metal lines (41) in a same power supply line are connected by the second metal lines (42), the first power supply line (31) comprises at least two of the first metal lines (41), and a sum of widths of the first metal lines (41) in the first power supply line (31) is larger than a sum of widths of the first metal lines (41) in the second power supply line (32).

5. The display panel according to claim 4, wherein the first metal lines (41) in the first power lines (31) have the same width as the first metal lines (41) in the second power lines (32), and the number of the first metal lines (41) in the first power lines (31) is larger than the number of the first metal lines (31) in the second power lines (32).

6. The display panel according to claim 4, wherein a width of at least one of the first metal lines (41) in the first power line (31) is different from a width of the first metal lines (41) in the second power line (32), and a number of the first metal lines (41) in the first power line (31) is greater than or equal to a number of the first metal lines (41) in the second power line (32).

7. A display panel according to any of claims 1-6, characterized in that the operating current in the first power supply line (31) is larger than the operating current in the second power supply line (32).

8. The display panel according to any one of claims 1 to 6, wherein the plurality of sub-pixel units further includes a third sub-pixel unit (23) having a light emission color different from that of each of the first sub-pixel unit (21) and the second sub-pixel unit (22), the plurality of power lines further includes a third power line (33) connected to the third sub-pixel unit (23), and a size of the third power line (33) in the first direction is smaller than a size of the first power line (31) in the first direction.

9. The display panel according to claim 8, wherein a dimension of the third power line (33) in the first direction is larger than a dimension of the second power line (32) in the first direction.

10. The display panel according to claim 8, wherein the first power line (31), the second power line (32), and the third power line (33) each extend at least partially in a second direction, the first power line (31) and the third power line (33) are alternately arranged in a direction perpendicular to the second direction, and the second power line (32) is located between adjacent first power line (31) and third power line (33).

11. The display panel according to claim 10, wherein the power line is a metal line extending at least partially along the second direction, and the center lines of the first power line (31) and the adjacent second power line (32), and the center lines of the third power line (33) and the adjacent second power line (32) all extend along the second direction.

12. The display panel according to claim 10, wherein the plurality of power lines comprises a plurality of first metal line combinations (51) and a plurality of second metal line combinations (51), the first metal line combinations (51) and the second metal line combinations (52) being alternately arranged in a direction perpendicular to the second direction, each of the first metal line combinations (51) and the second metal line combinations (52) comprising a third metal line (43) and a fourth metal line (44) extending at least partially in the second direction and being symmetrical with respect to a centerline axis, the first metal line combinations (51) further comprising a fifth metal line (45) extending at least partially in the second direction, the third metal line (43) and the fifth metal line (45) in the first metal line combinations (51) being connected, the third metal line (43) and the fifth metal line (45) in the first metal line combinations (51) belonging to the first power line (31), the third metal line (45) and the second metal line (52) in the first metal line combinations (51) belonging to the third metal line (52).

13. The display panel according to claim 12, characterized in that the fifth metal line (45) in the first metal line combination (51) is located on the symmetry axis of the third metal line (43) and the fourth metal line (44) in the same first metal line combination (51).

14. The display panel according to claim 13, wherein the second combination of metal lines (52) further comprises the fifth metal line (45), the fifth metal line (45) in the second combination of metal lines (52) being located on a symmetry axis of the third metal line (43) and the fourth metal line (44) in the same second combination of metal lines (52).

15. The display panel according to claim 14, wherein the fifth metal line (45) in the second metal line combination (52) is connected to a ground line.

16. The display panel according to claim 14, wherein the fifth metal line (45) in the second metal line combination (52) is connected to the third metal line (43), wherein the fifth metal line (45) in the second metal line combination (52) belongs to the third power line (33), and wherein the width of the fifth metal line (45) in the second metal line combination (52) is smaller than the width of the fifth metal line (45) in the first metal line combination (51).

17. The display panel according to any one of claims 1 to 6, further comprising:

The display device comprises a display area (11), a plurality of connecting lines, a first connecting line (34) and a second connecting line (35), wherein the plurality of connecting lines are positioned in the display area (11) and comprise a first connecting line (34) which is connected with the first power line (31) to form a grid communication structure and a second connecting line (35) which is connected with the second power line (32) to form a grid communication structure, and the sum of the widths of the first connecting line (34) is larger than the sum of the widths of the second connecting line (35) in a third direction perpendicular to the extending direction of the connecting lines.

18. The display panel according to any one of claims 1 to 6, further comprising:

A first power supply line (39) located in the non-display area (12) and connected to the first power supply line (31);

And a second power supply lead (38) positioned in the non-display area (12) and connected with the second power supply line (32), wherein the width of the first power supply lead (39) is larger than that of the second power supply lead (38) in a fourth direction perpendicular to the extending direction of the power supply lead.

19. A display device comprising the display panel according to any one of claims 1-18.