CN110580873A - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN110580873A
CN110580873A CN201910941734.2A CN201910941734A CN110580873A CN 110580873 A CN110580873 A CN 110580873A CN 201910941734 A CN201910941734 A CN 201910941734A CN 110580873 A CN110580873 A CN 110580873A
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CN
China
Prior art keywords
sub
pixel
pixels
display panel
matrix
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Granted
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CN201910941734.2A
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Chinese (zh)
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CN110580873B (en
Inventor
张怡
夏志强
周瑞渊
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Wuhan Tianma Microelectronics Co Ltd
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Wuhan Tianma Microelectronics Co Ltd
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Priority to CN201910941734.2A priority Critical patent/CN110580873B/en
Publication of CN110580873A publication Critical patent/CN110580873A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2074Display of intermediate tones using sub-pixels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]

Abstract

The invention discloses a display panel and a display device. The geometric centers of two first sub-pixels and two second sub-pixels in the repeating unit of the display panel form a virtual square, any third sub-pixel is arranged inside the virtual square, the other three third sub-pixels are arranged outside the virtual square, and the geometric centers of the four third sub-pixels form a virtual rectangle; in the display panel, along the row direction of the matrix, the distance between two adjacent third sub-pixels in different repeating units is a, the distance between two adjacent third sub-pixels in the same repeating unit is b, and a is greater than b; and the distance between any two adjacent third sub-pixels is equal along the column direction of the matrix. According to the technical scheme provided by the embodiment of the invention, the display effect of the display panel is improved, and the pixel density and the aperture opening ratio of the display panel are increased.

Description

display panel and display device
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display panel and a display device.
Background
The organic light emitting display panel has advantages of self-luminescence, no need of backlight, low power, high brightness, small size, etc., is widely applied to various electronic devices, and is highly favored by users.
The pixel arrangement directly affects the display performance of the organic light emitting display panel, and in order to obtain an organic light emitting display panel with a better display effect, the pixel arrangement becomes a research hotspot in the current organic light emitting display field. In the prior art, the pixel arrangement modes commonly used by the organic light-emitting display panel are various, but good display effect, large pixel density and aperture opening ratio cannot be considered at the same time.
Disclosure of Invention
the invention provides a display panel and a display device, which are used for improving the display effect of the display panel and increasing the pixel density and the aperture opening ratio of the display panel.
In a first aspect, an embodiment of the present invention provides a display panel, including a plurality of repeating units arranged in a matrix;
The repeating unit comprises two first sub-pixels, two second sub-pixels and four third sub-pixels, and the light emitting colors of the first sub-pixels, the second sub-pixels and the third sub-pixels are different;
The geometric centers of the two first sub-pixels and the two second sub-pixels form a virtual square, the two sub-pixels on the same side of the virtual square have different light-emitting colors, and the extending direction of the side of the virtual square is parallel to the row direction or the column direction of the matrix;
Any one of the third sub-pixels is arranged inside the virtual square, the other three third sub-pixels are arranged outside the virtual square, the geometric centers of the four third sub-pixels form a virtual rectangle, the virtual rectangle comprises two first sides with the extending directions parallel to the row direction of the matrix and two second sides with the extending directions parallel to the column direction of the matrix, and the length of the first sides is smaller than that of the second sides;
In the display panel, along the row direction of the matrix, the distance between two adjacent third sub-pixels in different repeating units is a, the distance between two adjacent third sub-pixels in the same repeating unit is b, and a is greater than b; and the distance between any two adjacent third sub-pixels is equal along the column direction of the matrix.
In a second aspect, an embodiment of the present invention further provides a display device, including the display panel according to the first aspect.
The display panel provided by the embodiment of the invention comprises a plurality of repeating units which are arranged in a matrix, wherein the geometric centers of two first sub-pixels and two second sub-pixels in the repeating units form a virtual square, the third sub-pixels positioned in the virtual square, three third sub-pixels positioned outside the virtual square and the geometric centers form a virtual rectangle, the long sides of the virtual rectangle and two opposite sides of the virtual square are parallel to the column direction of the matrix, and the short sides of the virtual rectangle and the other two opposite sides of the virtual square are parallel to the column direction of the matrix, so that the geometric centers of the first sub-pixels and the second sub-pixels in the display panel are distributed more uniformly, the improvement of the display effect of the display panel is facilitated, on the other hand, the distance between the two third sub-pixels positioned on the short sides of the virtual rectangle in the repeating units is smaller, and the non-light-emitting area outside the sub-pixels in the display panel is reduced, the display panel with the same size can be provided with more sub-pixels, and the improvement of the pixel density of the display panel and the increase of the pixel aperture ratio are facilitated.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a to-be-displayed picture according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along the dashed line AB of FIG. 1;
FIG. 4 is a schematic view of a further cross-sectional configuration taken along the dashed line AB of FIG. 1;
FIG. 5 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
Fig. 6 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the display panel and the display device according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
the embodiment of the invention provides a display panel, which comprises a plurality of repeating units arranged in a matrix manner;
The repeating unit comprises two first sub-pixels, two second sub-pixels and four third sub-pixels, and the light emitting colors of the first sub-pixels, the second sub-pixels and the third sub-pixels are different;
the geometric centers of the two first sub-pixels and the two second sub-pixels form a virtual square, the two sub-pixels on the same side of the virtual square have different light-emitting colors, and the extending direction of the side of the virtual square is parallel to the row direction or the column direction of the matrix;
Any one of the third sub-pixels is arranged inside the virtual square, the other three third sub-pixels are arranged outside the virtual square, the geometric centers of the four third sub-pixels form a virtual rectangle, the virtual rectangle comprises two first sides with the extending directions parallel to the row direction of the matrix and two second sides with the extending directions parallel to the column direction of the matrix, and the length of the first sides is smaller than that of the second sides;
In the display panel, along the row direction of the matrix, the distance between two adjacent third sub-pixels in different repeating units is a, the distance between two adjacent third sub-pixels in the same repeating unit is b, and a is greater than b; and the distance between any two adjacent third sub-pixels is equal along the column direction of the matrix.
The display panel provided by the embodiment of the invention comprises a plurality of repeating units which are arranged in a matrix, wherein the geometric centers of two first sub-pixels and two second sub-pixels in the repeating units form a virtual square, the third sub-pixels positioned in the virtual square, three third sub-pixels positioned outside the virtual square and the geometric centers form a virtual rectangle, the long sides of the virtual rectangle and two opposite sides of the virtual square are parallel to the column direction of the matrix, and the short sides of the virtual rectangle and the other two opposite sides of the virtual square are parallel to the column direction of the matrix, so that the geometric centers of the first sub-pixels and the second sub-pixels in the display panel are distributed more uniformly, the improvement of the display effect of the display panel is facilitated, on the other hand, the distance between the two third sub-pixels positioned on the short sides of the virtual rectangle in the repeating units is smaller, and the non-light-emitting area outside the sub-pixels in the display panel is reduced, the display panel with the same size can be provided with more sub-pixels, and the improvement of the pixel density of the display panel and the increase of the pixel aperture ratio are facilitated.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other embodiments that depart from the specific details disclosed herein, and it will be recognized by those skilled in the art that the present invention may be practiced without these specific details.
next, the present invention is described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, the schematic drawings showing the structure of the device are not partially enlarged in general scale for convenience of description, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and height should be included in the actual fabrication.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention. As shown in fig. 1, the display panel 10 includes a plurality of repeating units 100 arranged in a matrix, where each repeating unit 100 includes two first sub-pixels 101, two second sub-pixels 102, and four third sub-pixels 103, the light emitting colors of the first sub-pixels 101, the second sub-pixels 102, and the third sub-pixels 103 are different, the geometric centers of the two first sub-pixels 101 and the two second sub-pixels 102 form a virtual square 110, the light emitting colors of the two sub-pixels on the same side of the virtual square 110 are different, and the extending direction of the side of the virtual square 110 is parallel to the row direction X or the column direction Y of the matrix. Any one third sub-pixel 103 is arranged inside the virtual square 110, the remaining three third sub-pixels 103 are arranged outside the virtual square 110, and the geometric centers of the four third sub-pixels 103 form a virtual rectangle 120, the virtual rectangle 120 includes two first sides p extending in parallel with the row direction X of the matrix and two second sides q extending in parallel with the column direction Y of the matrix, and the length of the first sides p is smaller than that of the second sides q. In the display panel 10, along the row direction X of the matrix, the distance between two adjacent third sub-pixels 103 in different repeating units 100 is a, the distance between two adjacent third sub-pixels 103 in the same repeating unit 100 is b, a is greater than b, and along the column direction Y of the matrix, the distance c between any two adjacent third sub-pixels 103 is equal.
It should be noted that fig. 1 only illustrates that the display panel 10 includes four repeating units 100, but is not limited thereto, and in other embodiments of the present embodiment, the display panel 10 may further include other numbers of repeating units 100.
In addition, the shapes of the first sub-pixel 101, the second sub-pixel 102 and the third sub-pixel 103 in the display panel 10 may be various shapes including a rectangle, and all of the schemes that can satisfy the condition that the geometric centers of the two first sub-pixels 101 and the two second sub-pixels 102 in the repeating unit 100 are located on the same virtual square 110 are within the protection scope of the present embodiment.
it should be further noted that, as shown in fig. 1, each third sub-pixel 103 and the first sub-pixel 101 or the second sub-pixel 102 located at the upper left corner thereof form a physical pixel unit 200. In the pixel rendering process in the display stage, each physical pixel unit 200 uses the sub-pixels of the third color on the same side thereof to form a display pixel unit 300, and the display pixel unit 300 is configured to display the content of one image pixel unit in the picture to be displayed, where the image pixel unit includes three sub-pixels of the same color as the light emission color of the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103. It is understood that the display panel 10 having N repeating units 100 includes 4N physical pixel units 200, which can be used to display a picture to be displayed having 4N image pixel units, where N is a positive integer. For example, the display panel 10 shown in fig. 1 includes 16 physical pixel units 200, the to-be-displayed picture shown in fig. 2 includes 16 image pixel units 400, and the display panel 10 shown in fig. 1 can be used to display the content of the to-be-displayed picture shown in fig. 2. Specifically, 16 physical pixel units 200 of the display panel 10 in fig. 1 are arranged in 4 rows and 4 columns, 16 image pixel units 400 of the picture to be displayed in fig. 2 are arranged in 4 rows and 4 columns, and the physical pixel unit 200 of the mth row and the kth column of the display panel 10 uses the sub-pixel of the third color on the lower side thereof to form the display pixel unit 300, which is used for displaying the content of the image pixel unit 400 of the mth row and the kth column of the picture to be displayed. For example, in fig. 1, the physical pixel unit 200 in the 1 st row and the 4 th column of the display panel 10 is an a-physical pixel unit 201, the a-physical pixel unit 201 includes one second sub-pixel 102 and one third sub-pixel 103, the a-physical pixel unit 201 uses the first sub-pixel 101 of the first color on the lower side thereof to form an a-display pixel unit 301, and the a-display pixel unit 301 is used for displaying the content of the a-image pixel unit 401 in the 1 st row and the 4 th column in the picture to be displayed in fig. 2. It should be noted that the position of the sub-pixel of the third emission color borrowed by the physical pixel unit 200 is not particularly limited in this embodiment, and the description is given by taking the sub-pixel of the third emission color borrowed by each physical pixel unit 200 as an example, but not limited thereto.
therefore, the pixel array of the display panel 10 can achieve the beneficial effect of realizing high display pixel density by achieving low physical pixel density through pixel rendering, and the display effect of the display panel 10 is effectively improved.
The display panel 10 provided in this embodiment includes a plurality of repeating units 100 arranged in a matrix, where the geometric centers of two first sub-pixels 101 and two second sub-pixels 102 in the repeating unit 100 form a virtual square 110, the third sub-pixel 103 located inside the virtual square 110, three third sub-pixels 103 located outside the virtual square 110, and the geometric center form a virtual rectangle 120, the long side of the virtual rectangle 120 and two opposite sides of the virtual square 110 are parallel to the column direction X of the matrix, and the short side of the virtual rectangle 120 and the remaining two opposite sides of the virtual square 110 are parallel to the column direction Y of the matrix, on one hand, the geometric centers of the first sub-pixel 101 and the second sub-pixel 102 in the display panel 10 are distributed more uniformly, which is beneficial to improving the display effect of the display panel 10, on the other hand, the distance between the two third sub-pixels 102 located on the short side of the virtual rectangle 120 in the repeating unit 100 is smaller, the area of the non-light-emitting region outside the sub-pixels in the display panel 10 is reduced, so that more sub-pixels can be arranged on the display panel 10 with the same size, which is beneficial to the improvement of the pixel density of the display panel 10 and the increase of the pixel aperture ratio.
fig. 3 is a schematic sectional view along the broken line AB in fig. 1. As shown in fig. 3, the sub-pixel 104 includes a first electrode 501, an organic light-emitting functional layer 502, and a second electrode 503, which are sequentially stacked along a light-emitting direction Z of the display panel, and in a repeating unit, the organic light-emitting functional layers 502 of two third sub-pixels 103 adjacently disposed along a row direction X of the matrix are formed by using the same mask opening, where the sub-pixel 104 may be a first sub-pixel, a second sub-pixel, or a third sub-pixel, and it can be understood that, according to a position of a section line AB in fig. 1, the sub-pixel 104 illustrated in fig. 3 is the third sub-pixel 103.
It should be noted that, on one hand, the distance between two third sub-pixels 103 adjacently arranged in the row direction X of the matrix in the repeating unit is no longer limited by the process limit size of the bridge between the adjacent openings of the corresponding mask, and the distance between two third sub-pixels 103 can be set to be smaller than the process limit size of the bridge between the adjacent openings of the mask, thereby achieving the beneficial effects of increasing the pixel density and the pixel aperture ratio of the display panel. On the other hand, the distance between the adjacent openings of the mask for preparing the light-emitting functional layer 502 of the third sub-pixel 103 is increased, and the difficulty in preparing the mask is reduced.
In addition, with reference to fig. 1, two sub-pixel rows adjacent to the same third sub-pixel row are arranged in a staggered manner, so that the distance between the adjacent first sub-pixel 101 and the adjacent second sub-pixel 102 in the two sub-pixel rows is increased, and the distance between the adjacent openings in the two masks used for forming the light-emitting functional layer 502 of the first sub-pixel 101 and the light-emitting functional layer 502 of the second sub-pixel 102 is increased, so that the color mixing probability of the first sub-pixel 101 and the second sub-pixel 102 is reduced, and the difficulty in preparing the two masks is reduced.
With continued reference to fig. 1, the virtual square 110 includes a vertex O located inside the virtual rectangle 120, and the geometric center of the first sub-pixel 101 or the second sub-pixel 102 disposed at the vertex O coincides with the geometric center of the virtual rectangle 120.
It should be noted that, with such an arrangement, the midpoint E of the connecting line of the geometric centers of the two third sub-pixels 103 located on the short sides of the virtual rectangle 120 coincides with the geometric center F of the first virtual rectangle 130 composed of the geometric centers of the three first sub-pixels 101 and the three second sub-pixels 102 arranged around the two third sub-pixels 103, and when the light emitting color of the third sub-pixel 103 is green with the strongest human eye sensitivity, the display image definition of the display panel 10 can be effectively improved.
with continued reference to fig. 3, the display panel 10 further includes a plurality of pixel circuits 610, each sub-pixel 104 is electrically connected to one of the pixel circuits 610, and the pixel circuit 610 is configured to drive the corresponding sub-pixel 104 to emit light.
It should be noted that, in order to simplify the structure of the drawing, fig. 3 illustrates the corresponding pixel circuit 610 with a driving transistor, and it is understood that the pixel circuit 610 further includes components other than the driving transistor.
it should be further noted that, the arrangement manner of electrically connecting each sub-pixel 104 to one pixel circuit 610 ensures that each sub-pixel 104 can normally emit light under the driving of the corresponding pixel circuit 610, and thus the display panel can normally operate.
Optionally, as shown in fig. 3, along the light outgoing direction Z of the sub-pixel 104, the pixel circuit 610 and the correspondingly connected sub-pixel 104 are at least partially overlapped, so that while it is ensured that each sub-pixel 104 can be driven by the corresponding pixel circuit 610, the problem of signal delay or loss caused by an excessively large distance between the pixel circuit 610 and the corresponding sub-pixel 104 is avoided, and the display panel can normally operate and has a good display effect.
Fig. 4 is a schematic view of another cross-sectional structure along the dashed line AB in fig. 1. The display panel structure shown in fig. 4 is similar to the display panel structure shown in fig. 3, except that in fig. 4, two third sub-pixels 103 in the same repeating unit are connected to the same pixel circuit 610 along the row direction X of the matrix.
It should be noted that, on one hand, such an arrangement can reduce the total number of the pixel circuits 610, reduce the manufacturing difficulty of the display panel, reduce the number of the driving signals, and simplify the driving signals. On the other hand, two third sub-pixels 103 driven by the same pixel circuit 610 can emit light under the same driving signal, and parameters such as the light emitting brightness are completely the same, so that the method is suitable for a scene requiring the adjacent two third sub-pixels 103 to emit light completely the same.
Optionally, the light emitting color of the first sub-pixel 101 is a first color, the light emitting color of the second sub-pixel 102 is a second color, the light emitting color of the third sub-pixel 103 is a third color, and the first color, the second color, and the third color are any one of red, green, and blue, and are different from each other.
Since red, green, and blue are three primary colors of light, and red, green, and blue with different intensities can be mixed to obtain light of various colors, the emission colors of the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103 are set to be any one of red, green, and blue, respectively, and are different from each other, so that the display colors of the display panel can be varied, and the display colors of the display panel can be enriched.
illustratively, the third color may be green.
It should be noted that, in the pixel rendering process, the first sub-pixel 101 or the second sub-pixel 102 in any physical pixel unit is borrowed by another physical pixel unit to form a display pixel unit, so that the first sub-pixel 101 and the second sub-pixel 102 both belong to two display pixel units, and each physical pixel unit includes a third sub-pixel 103, and when the display pixel unit is formed, the third sub-pixel 103 of the other physical pixel unit does not need to be borrowed, so that the third sub-pixel 103 belongs to one display pixel unit. Because the sensitivity of human eyes to green is higher, the third color corresponding to the third sub-pixel 103 is set to green, so that when the human eyes observe the display picture, each display pixel unit is easy to distinguish, the visual resolution is higher, and the visual picture is clearer.
Further, the size of the red sub-pixel may be smaller than the size of the blue sub-pixel.
It should be noted that, under the influence of the characteristics of the forming material, the lifetime of the blue sub-pixel is shorter than that of the red sub-pixel, and in order to avoid the reduction of the lifetime of the display panel due to the lifetime of the blue sub-pixel, the area of the blue sub-pixel is set to be larger, so as to reduce the current density of the blue sub-pixel and improve the lifetime of the blue sub-pixel.
With continued reference to fig. 1, along the column direction Y of the matrix, the same side edges of the first sub-pixel 101 and the second sub-pixel 102 located in the same sub-pixel row are located on the same virtual straight line l, and the virtual straight line l extends along the row direction X of the matrix.
Specifically, as shown in fig. 1, the sides of the first subpixel 101 and the second subpixel 102 in the same subpixel row, which are adjacent to the upper adjacent subpixel row thereof, are located on the same virtual straight line l, and the sides of the first subpixel 101 and the second subpixel 102 in the same subpixel row, which are adjacent to the lower adjacent subpixel row thereof, are located on the same virtual straight line l. Due to the arrangement, the same side edges of the first sub-pixel 101 and the second sub-pixel 102 in the same sub-pixel row are flush, so that the display image of the display panel 10 in the matrix row direction X has better linearity, and no fuzzy zigzag edge occurs.
Alternatively, as shown in fig. 1, the first subpixel 101, the second subpixel 102, and the third subpixel 103 may be rectangular in shape.
It can be seen from the basic knowledge of geometry that, when the widths of the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103 in the row direction X and the column direction Y of the matrix are determined, the area of the sub-pixel having a rectangular shape is larger than the area of the sub-pixel having another shape, which is beneficial to further increasing the pixel aperture ratio of the display panel 10.
With continued reference to FIG. 1, along the row direction X of the matrix, the vertical distance b between the opposing edges of two third sub-pixels 103 in the same repeating unit 100 may be L, where L is 7 μm ≦ L ≦ 10 μm.
it should be noted that too small L may cause too small visual distance between the two third sub-pixels 103, so that human eyes cannot accurately distinguish the two third sub-pixels 103, which affects the display effect of the display panel 10. Too large L increases the area of the non-display region outside the sub-pixels, resulting in a decrease in the pixel aperture ratio and the pixel density of the display panel 10. When L is less than or equal to 7 μm and less than or equal to 10 μm, the display panel 10 has a good display effect, and a large pixel aperture ratio and a large pixel density.
Alternatively, in the display phase, in the same repeating unit 100, two third sub-pixels 103 arranged in the row direction X of the matrix alternately emit light.
It should be noted that the distance between the two third sub-pixels 103 arranged along the row direction X of the matrix in the same repeating unit 100 is very close, and in the display stage, the two third sub-pixels 103 can be regarded as one light-emitting point approximately, and the light-emitting point can be used as the two third sub-pixels 103 at the same time. Illustratively, two third sub-pixels 103 arranged in the matrix row direction X in the same repeating unit 100 belong to two different physical pixel units 200, the two physical pixel units 200 respectively use the sub-pixels of the first color on the lower side thereof to form a display pixel unit 300, and when the two third sub-pixels 103 are regarded as one light emitting point, the light emitting point belongs to both the two physical pixel units 200 and both the two display pixel units 300. Accordingly, in order to reduce the total use time of each third sub-pixel 103 and extend the life of the third sub-pixel 103, two third sub-pixels 103 arranged in the row direction X of the matrix in the same repeating unit 100 are arranged to alternately emit light.
Fig. 5 is a schematic structural diagram of another display panel according to an embodiment of the present invention. The display panel 10 shown in fig. 5 is similar in structure to the display panel 10 shown in fig. 1, except that two third sub-pixels 103 adjacently disposed in the row direction X of the matrix in the same repeating unit 100 form a third sub-pixel group 130, and the width T of each third sub-pixel 103 in the column direction Y of the matrix is gradually reduced along a direction in which the geometric center of any third sub-pixel 103 in the third sub-pixel group 130 points to the geometric center of another third sub-pixel 103 in the same group.
illustratively, the third subpixel 103 located at the upper left corner in fig. 5 is an a third subpixel 103/1, the third subpixel 103 disposed adjacent thereto in the row direction X of the matrix and belonging to the same repeating unit 100 is an b third subpixel 103/2, and the a third subpixel 103/1 and the b third subpixel 103/2 constitute a third subpixel group 130. The width T of the first third subpixel 103/1 in the column direction Y of the matrix gradually decreases in a direction R in which the geometric center U of the first third subpixel 103/1 points to the geometric center V of the second third subpixel 103/2; the width T of the second third subpixel 103/2 in the column direction Y of the matrix gradually decreases in a direction W in which the geometric center V of the second third subpixel 103/2 points to the geometric center U of the first third subpixel 103/1.
It should be noted that, the distance between two adjacent third sub-pixels 103 in the row direction X of the matrix in the same repeating unit 100 is small, and the visual distance between the two third sub-pixels 103 is very close in the display stage, which easily causes that the two third sub-pixels 103 cannot be distinguished by human eyes, especially when the color of the light emitted by the third sub-pixel 103 is green with the strongest human eye sensitivity, the third sub-pixel 103 is the visual center of the display pixel unit, and the visual pixel density of the display panel 10 is reduced when the two adjacent third sub-pixels 103 are mixed up. Along the direction that the geometric center of any one third sub-pixel 103 in the third sub-pixel group 130 points to the geometric center of another third sub-pixel 103 in the same group, the width T of the third sub-pixel 103 in the column direction Y of the matrix is gradually reduced, so that the size of the area where the two third sub-pixels 103 are close to each other is reduced, the visual distance between the two third sub-pixels 103 in the display stage is effectively increased, the probability that the two third sub-pixels 103 are mixed is reduced, and further, the visual pixel density of the display panel 10 is prevented from being reduced when the third sub-pixel 103 is used as the visual center of the display pixel unit.
Fig. 6 is a schematic structural diagram of a display device according to an embodiment of the present invention. As shown in fig. 6, the display device 10 includes a display panel 11 provided in any embodiment of the present invention. Since the display device 10 provided in this embodiment includes any of the display panels 11 provided in the embodiments of the present invention, the display device has the same or corresponding beneficial effects as the display panel 11 included in the display device, and details are not repeated herein.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (13)

1. A display panel includes a plurality of repeating units arranged in a matrix;
The repeating unit comprises two first sub-pixels, two second sub-pixels and four third sub-pixels, and the light emitting colors of the first sub-pixels, the second sub-pixels and the third sub-pixels are different;
The geometric centers of the two first sub-pixels and the two second sub-pixels form a virtual square, the two sub-pixels on the same side of the virtual square have different light-emitting colors, and the extending direction of the side of the virtual square is parallel to the row direction or the column direction of the matrix;
Any one of the third sub-pixels is arranged inside the virtual square, the other three third sub-pixels are arranged outside the virtual square, the geometric centers of the four third sub-pixels form a virtual rectangle, the virtual rectangle comprises two first sides with the extending directions parallel to the row direction of the matrix and two second sides with the extending directions parallel to the column direction of the matrix, and the length of the first sides is smaller than that of the second sides;
in the display panel, along the row direction of the matrix, the distance between two adjacent third sub-pixels in different repeating units is a, the distance between two adjacent third sub-pixels in the same repeating unit is b, and a is greater than b; and the distance between any two adjacent third sub-pixels is equal along the column direction of the matrix.
2. The display panel according to claim 1, wherein the sub-pixel comprises a first electrode, an organic light emitting functional layer, and a second electrode sequentially stacked in a light emitting direction of the display panel; in the repeating unit, the organic light emitting function layers of the two third sub-pixels adjacently arranged along the row direction of the matrix are formed by adopting the same mask plate opening.
3. The display panel of claim 1, wherein the virtual square comprises a vertex located inside the virtual rectangle, and the geometric center of the first sub-pixel or the second sub-pixel located at the vertex coincides with the geometric center of the virtual rectangle.
4. The display panel according to claim 1, further comprising a plurality of pixel circuits, each of the sub-pixels being electrically connected to one of the pixel circuits, the pixel circuits being configured to drive the corresponding sub-pixel to emit light.
5. the display panel according to claim 4, wherein two of the third sub-pixels in the same repeating unit are connected to the same pixel circuit in a row direction of the matrix.
6. The display panel according to claim 1, wherein the emission color of the first sub-pixel is a first color, the emission color of the second sub-pixel is a second color, and the emission color of the third sub-pixel is a third color;
the first color, the second color and the third color are any one of red, green and blue respectively and are different from each other.
7. The display panel of claim 6, wherein the red sub-pixel has a size smaller than the blue sub-pixel.
8. The display panel according to claim 1, wherein edges of the first sub-pixel and the second sub-pixel located in the same sub-pixel row in a column direction of the matrix are located on the same virtual straight line extending in a row direction of the matrix.
9. The display panel according to claim 8, wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are rectangular in shape.
10. The display panel of claim 2, wherein the vertical distance between the opposite edges of two third sub-pixels in the same repeating unit along the row direction of the matrix is L, wherein L is less than or equal to 7 μm and less than or equal to 10 μm.
11. The display panel according to claim 2, wherein two of the third sub-pixels arranged in the row direction of the matrix alternately emit light in the same repeating unit in a display phase.
12. the display panel according to claim 2, wherein two of the third subpixels disposed adjacently in a row direction of the matrix in the same repeating unit constitute a third subpixel group; the width of the third sub-pixel in the column direction of the matrix is gradually reduced along the direction that the geometric center of any one third sub-pixel in the third sub-pixel group points to the geometric center of another third sub-pixel in the same group.
13. A display device characterized by comprising the display panel according to any one of claims 1 to 12.
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