Pixel arrangement structure, display panel and display device

Abstract

The utility model provides a pixel arrangement structure, a display panel and a display device, relates to the technical field of display elements, and solves the technical problems of low pixel reuse rate and low display resolution of the existing pixel arrangement structure. The pixel arrangement structure comprises a plurality of physical pixel units arranged in a matrix form, wherein each physical pixel unit comprises a first sub-pixel, two second sub-pixels and a third sub-pixel; in the first direction, the second sub-pixels and the third sub-pixels are arranged in two rows, the first sub-pixels and the second sub-pixels are arranged in two rows, in the second direction, the second sub-pixels and the first sub-pixels are arranged in two columns, the third sub-pixels and the second sub-pixels are arranged in two columns, and the two second sub-pixels are arranged diagonally. Each second sub-pixel can respectively form a plurality of virtual pixel units with a first sub-pixel and a third sub-pixel which are adjacent to each other. The liquid crystal display panel has the advantages that the pixel reuse rate can be improved, and the display resolution can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of display elements, and specifically relates to a pixel arrangement structure, a display panel and a display device. Background Art

[0002] At present, the commonly used display screens mainly include LCD, OLED, Mini LED or Micro LED technology routes. For large display screens, LED display technology is used. Display screens generally use RGB as a group of pixels to achieve small-pitch display screens (pixel pitch Pitch ≤ 2.5mm), and there are two ways to package such display screens. The first way is to use traditional packaging and SMD patch methods to complete the packaging of LED display light boards, and the second way is to use chip on board packaging technology (Chip on Board) to flip R, G, B mini chip bonding on the PCB board, and then use compression molding or filming to complete the packaging of the display module.

[0003] At present, high-density small-pitch LED, Mini LED, and Micro LED display technologies have all become hot technologies for new high-density LED display screens. The pixel arrangement structure has a decisive influence on the brightness, response speed, color quality, and service life of the display screen. In order to increase the pixel arrangement density, the industry has adopted virtual pixel technology. Virtual pixels use software algorithms to control the light-emitting chips of each color to act as sub-pixels and ultimately participate in the imaging of multiple adjacent pixels, so that a larger resolution can be achieved with fewer lamps, thereby improving the display resolution of multiplexed pixels to a certain extent through sub-pixel multiplexing.

[0004] However, in the prior art, structures such as the standard RGB arrangement and the RGBW arrangement are all typical pixel arrangement structures, but these pixel arrangement structures all have the problem that the number of times the self-pixels participate in multiplexing is small, resulting in a low pixel multiplexing rate and a reduction in display resolution.

[0005] Therefore, there is an urgent need to provide a pixel arrangement structure, a display panel and a display device that can improve pixel reuse rate and display resolution. Summary of the invention

[0006] In view of this, the utility model provides a pixel arrangement structure, a display panel and a display device to solve the technical problems of low pixel reuse rate and low display resolution existing in the existing pixel arrangement structure.

[0007] The technical solution adopted by this utility model:

[0008] On the one hand, the utility model provides a pixel arrangement structure, including: a plurality of physical pixel units arranged in a matrix form, each physical pixel unit including a first sub-pixel, two second sub-pixels and a third sub-pixel; in a first direction, the second sub-pixel and the third sub-pixel and the first sub-pixel and the second sub-pixel are arranged in two rows respectively, and in a second direction perpendicular to the first direction, the second sub-pixel and the first sub-pixel and the third sub-pixel and the second sub-pixel are arranged in two columns respectively, the two second sub-pixels are arranged diagonally, and the first sub-pixel, the second sub-pixel and the third sub-pixel form a square; each second sub-pixel at the center can form a plurality of virtual pixel units with a first sub-pixel and a third sub-pixel that are adjacent to each other in the first direction and the second direction respectively.

[0009] Furthermore, in the extension direction of the bisector of the angle between the first direction and the second direction, three physical pixel units adjacent to each other in sequence form two first pixel groups and a second pixel group, both of which are square, and each pixel group has a second sub-pixel at the center. The second sub-pixel and two of the four vertices located in the same pixel group and the first sub-pixels and the third sub-pixels adjacent to each other can respectively form multiple first virtual pixel units.

[0010] Furthermore, the first pixel group and the second pixel group share a first sub-pixel and a third sub-pixel, and a center line connecting the shared first sub-pixel and third sub-pixel is perpendicular to an extension direction of the bisector.

[0011] Furthermore, along the first direction and the second direction, two rows and two columns of physical pixel units adjacent to each other form a square third pixel group, and the third pixel group includes a plurality of sub-pixels arranged in three rows and three columns; a second sub-pixel is respectively provided at the center and four vertices of the third pixel group, and a pair of first sub-pixels and a pair of third sub-pixels are respectively provided opposite to each other at the midpoints of two pairs of opposite side edges of the third pixel group; the second sub-pixel located at the center of the third pixel group can form a plurality of second virtual pixel units with the first sub-pixel and the third sub-pixel adjacent thereto.

[0012] Furthermore, in the first direction, pairs of adjacent third pixel groups are aligned to share a sub-pixel row, and the sub-pixel rows are arranged sequentially as the second sub-pixel, the third sub-pixel, and the second sub-pixel in the second direction. In the second direction, pairs of adjacent third pixel groups are aligned to share a sub-pixel column, and the sub-pixel columns are arranged sequentially as the second sub-pixel, the first sub-pixel, and the second sub-pixel in the first direction.

[0013] Furthermore, a plurality of first parallel straight lines that are parallel to the first direction and the second direction and that are respectively at an angle of 45°, and a plurality of second parallel straight lines that are respectively perpendicular to the first parallel straight lines, all pass through the midpoints of the second sub-pixels in sequence or alternately pass through the first sub-pixels and the third sub-pixels, and the distances between the lines connecting the midpoints of two adjacent second sub-pixels and between the midpoints of two adjacent first sub-pixels and third sub-pixels are equal.

[0014] Furthermore, the number of first virtual pixel units or second virtual pixel units that can be formed in each pixel group is 4.

[0015] Furthermore, the first sub-pixel, the second sub-pixel and the third sub-pixel emit red, green and blue colored lights respectively.

[0016] On the other hand, the utility model provides a display panel, including a circuit board and a pixel arrangement structure arranged on the circuit board, and the pixel arrangement structure is any one of the above pixel arrangement structures.

[0017] On the other hand, the utility model provides a display device, comprising any one of the above display panels.

[0018] In summary, the beneficial effects of the utility model are as follows:

[0019] The pixel arrangement structure of the present invention utilizes that each second sub-pixel of the first pixel group or the second pixel group that are inclined relative to the first direction and the second direction, or the third pixel group that are parallel to each other can respectively form a plurality of virtual pixel units with the first sub-pixel and the second sub-pixel that are adjacent to each other, thereby improving both the pixel multiplexing rate and the display resolution. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment of the utility model will be briefly introduced below. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work, and these are all within the protection scope of the utility model.

[0021] Figure 1 It is a structural schematic diagram of the arrangement of multiple physical pixel units of the pixel arrangement structure of the present invention.

[0022] Figure 2 A schematic diagram of the structure of a plurality of first virtual pixel units obtained by arranging a plurality of physical pixel units in the first embodiment of the pixel arrangement structure of the utility model;

[0023] Figure 3 A schematic diagram of the structure of a plurality of second virtual pixel units obtained by arranging a plurality of physical pixel units in the second embodiment of the pixel arrangement structure of the utility model;

[0024] Figure 4 It is a structural schematic diagram of a third pixel group of the second embodiment of the pixel arrangement structure of the utility model;

[0025] Parts and numbers in the picture:

[0026] 10. Physical pixel unit; 11. First sub-pixel; 12. Second sub-pixel; 13. Third sub-pixel;

[0027] 20, first pixel group; 30, second pixel group; 40, third pixel group; 51\52\53\54, first virtual pixel unit; 61\62\63\64, second virtual pixel unit; Y, first direction; X, second direction. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the utility model. Moreover, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "includes..." do not exclude the presence of other identical elements in the process, method, article or device including the elements. If there is no conflict, the embodiments of the utility model and the various features in the embodiments can be combined with each other, all within the scope of protection of the utility model.

[0029] refer to Figures 1 to 4As an object of the present utility model, a pixel arrangement structure is provided, which includes a plurality of physical pixel units 10 arranged in a matrix form. The matrix form specifically refers to that each physical pixel unit 10 is aligned in the first direction Y and the second direction X described below, respectively. Each physical pixel unit 10 includes a first sub-pixel 11, two second sub-pixels 12, and a third sub-pixel 13. In the first direction Y, the second sub-pixel 12 and the third sub-pixel 13 and the first sub-pixel 11 and the second sub-pixel 12 are arranged in two rows, respectively. In the second direction X perpendicular to the first direction Y, the second sub-pixel 12 and the first sub-pixel 11 and the third sub-pixel 13 and the second sub-pixel 12 are arranged in two columns, respectively. The two second sub-pixels 12 are arranged diagonally. The first sub-pixel 11, the second sub-pixel 12, and the third sub-pixel 13 form a square, which can be specifically a rectangle or a square. Each second sub-pixel 12 at the center can form a plurality of virtual pixel units with a first sub-pixel 11 and a third sub-pixel 13 that are adjacent to each other in the first direction Y and the second direction X, respectively. That is to say, each of the above-mentioned second sub-pixels 12 that are multiplexed to form multiple virtual pixel units should be located at the center and other sub-pixels are arranged around it in the first direction Y and the second direction X. It should be understood that the virtual pixel unit corresponds to the use of time-division multiplexing to split the corresponding second sub-pixel 12 into multiple pixels for use, and the adjacent described in the specification refers to the adjacent position relationship between the second sub-pixel 12 and the other two different sub-pixels with the shortest distance from it. Therefore, the pixel arrangement structure of the utility model utilizes the second sub-pixel 12 to form multiple virtual pixel units with the adjacent first sub-pixel 11 and the second sub-pixel 12, especially compared with typical pixel arrangement structures such as standard RGB arrangement and RGBW arrangement, it can form more virtual pixel units, thereby improving both the pixel reuse rate and the display resolution.

[0030] The pixel arrangement structure provided by the present invention is described in detail below in conjunction with two embodiments of the pixel arrangement structure. Each pixel arrangement structure embodiment can realize the inventive concept of the present invention and obtain the desired technical effect. The same components and the same component combinations in the two pixel arrangement structure embodiments can respectively realize the same functions, thereby obtaining corresponding technical effects. In addition, in the absence of conflict, the two embodiments can refer to each other to obtain a clearer and more comprehensive understanding of the inventive concept of the present invention.

[0031] Pixel Arrangement Structure First Embodiment

[0032] Please refer to Figure 1 and Figure 2In this embodiment, in the extension direction of the bisector of the angle between the first direction Y and the second direction X, three physical pixel units 10 adjacent to each other in sequence form two first pixel groups 20 and second pixel groups 30, both of which are square. That is, when each physical pixel unit is a square, the first pixel group 20 and the second pixel group 30 are equivalent to extending in a direction that is 45° relative to the first direction Y and the second direction X. When each physical pixel unit is a non-square such as a rectangle, the first pixel group 20 and the second pixel group 30 are equivalent to extending in two complementary angles relative to the first direction Y and the second direction X. The center of each pixel group has a second sub-pixel 12. Figure 2 In the figure, the dashed lines show the multiple first virtual pixel units 51, 52, 53, 54 that can be formed by the second sub-pixel 12 and two of the four vertices in the same pixel group and the first sub-pixels 11 and the third sub-pixel 13 that are adjacent to each other. Specifically, relative to the extension direction of the bisector, in a first pixel group 20, two first virtual pixel units 51, 53 facing each other front and back and two first virtual pixel units 52, 54 facing each other left and right reuse a second sub-pixel 12 located at the lower right corner of the physical pixel unit 10. The reuse of other sub-pixels can be obtained by reference. Therefore, on the basis of a reasonable pixel arrangement structure, by reusing sub-pixels, a virtual resolution 4 times the physical resolution is obtained, thereby providing a display module with a reasonably arranged virtual pixel structure to obtain a better display resolution than the physical pixel structure.

[0033] Please refer to the following for further reference Figure 2 Specifically, the first pixel group 20 and the second pixel group 30 share a first sub-pixel 11 and a third sub-pixel 13, and the angle between the bisector and the second direction is α, and the angle between the center line of the first sub-pixel 11 and the third sub-pixel 13 and the extension direction of the bisector is 180°-2α. For example, when each physical pixel unit is a square, the angle between the bisector and the second direction is 45°. Therefore, the angle between the center line of the first sub-pixel 11 and the third sub-pixel 13 and the extension direction of the bisector is 180°-2×45°=90°, that is, the center line is perpendicular to the extension direction of the bisector, and when the physical pixel unit is a rectangle, the center line is not perpendicular to the extension direction of the bisector. Therefore, the connection of the three sub-pixels in each first virtual pixel unit is equivalent to obtaining an imaginary equilateral right triangle 51, 52, 53, 54, and the overall arrangement of the pixel arrangement structure is reasonable, which is conducive to obtaining a better light mixing effect.

[0034] Second Embodiment of Pixel Arrangement Structure

[0035] Please refer to Figure 1 and Figure 3In this embodiment, along the first direction Y and the second direction X, two rows and two columns of physical pixel units 10 adjacent to each other form a square third pixel group 40, and the third pixel group 40 includes a plurality of sub-pixels arranged in three rows and three columns. A second sub-pixel 12 is respectively provided at the center and four vertices of the third pixel group 40, and a pair of first sub-pixels 11 and a pair of third sub-pixels 13 are respectively provided at the midpoints of two pairs of opposite sides of the third pixel group 40. Figure 3 In the figure, the second sub-pixel 12 located at the center of the third pixel group 40 is connected by dotted lines to form a plurality of second virtual pixel units: 61, 62, 63, 64 with the first sub-pixel 11 and the third sub-pixel 13 adjacent thereto. Specifically, relative to the first direction Y and the second direction X, in a third pixel group 40, a pair of second virtual pixel units 61 and 64 located on the left and right sides and facing each other up and down and a pair of second virtual pixel units 62 and 63 reuse a second sub-pixel 12 located at the center of the physical pixel unit 10, and other sub-pixel reuse conditions can be obtained by reference. Therefore, on the basis of a reasonable pixel arrangement structure, by reusing sub-pixels, a virtual resolution 4 times the physical resolution is obtained, thereby providing a display module with a reasonably arranged virtual pixel structure to obtain a better display resolution than the physical pixel structure.

[0036] Please refer to the following for further reference Figure 3 Specifically, in the first direction Y, the third pixel groups 40 that are aligned in pairs share a sub-pixel row, and the sub-pixel row is sequentially arranged as the second sub-pixel 12, the third sub-pixel 13, and the second sub-pixel 12 in the second direction X. In the second direction X, the third pixel groups 40 that are aligned in pairs share a sub-pixel column, and the sub-pixel row is sequentially arranged as the second sub-pixel 12, the first sub-pixel 11, and the second sub-pixel 12 in the first direction Y. Therefore, the overall arrangement of the pixel arrangement structure is reasonable, which is conducive to the pixel multiplexing of each adjacent third pixel group 40 individually and between them, and obtains a higher display resolution and a better light mixing effect.

[0037] The pixel arrangement structure of the present invention is further described below in conjunction with the above two pixel arrangement structure embodiments. Therefore, the following description is also applicable to the pixel arrangement structure in any embodiment.

[0038] Please refer to the following for further reference Figure 1Preferably, a plurality of first parallel straight lines that are parallel to the first direction Y and the second direction X and that are at an angle of 45°, and a plurality of second parallel straight lines that are perpendicular to the first parallel straight lines, respectively, pass through the midpoints of the second sub-pixels 12 in sequence or alternately pass through the first sub-pixels 11 and the third sub-pixels 13, and the distances between the midpoints of two adjacent second sub-pixels 12 and the midpoints of two adjacent first sub-pixels 11 and third sub-pixels 13 are equal. In this way, a virtual pixel unit in the shape of an imaginary equilateral right triangle can be obtained, which can not only improve the pixel reuse rate, but also make the light mixing effect of each physical pixel unit 10 and its sub-pixels better, and can also effectively improve the brightness, response speed, color quality, service life and other performance of the display module using the pixel arrangement structure.

[0039] Please refer to the following for further reference Figure 2 and Figure 3 Specifically, the number of first virtual pixel units 51, 52, 53, 54 or second virtual pixel units 61, 62, 63, 64 that can be formed in each pixel group is 4. Therefore, the pixel multiplexing rate is improved, especially compared with the standard RGB arrangement and RGBW arrangement as typical pixel arrangement structures, the pixel multiplexing rate is doubled.

[0040] Specifically, the first sub-pixel 11 , the second sub-pixel 12 , and the third sub-pixel 13 emit red, green, and blue colored lights, respectively. Figure 4 FIG. 4 shows a schematic diagram of the structure of a third pixel group 40, which is centered on a green sub-pixel G and around which four green sub-pixels G1, G2, G3 and G4, two red sub-pixels R1 and R2 and two blue sub-pixels B1 and B2 are arranged. Figure 4 The third pixel group 40 and time-division multiplexing shown can obtain the following pixel splitting: B1-R1-G, B2-R1-G, B1-R2-G, B2-R2-G. Therefore, the utility model provides a method of splitting each sub-pixel emitting green light and centered into 4 pixels for use, that is, 4 times pixel multiplexing, thereby improving the display resolution without increasing the number of sub-pixels.

[0041] In the above, two pixel arrangement structure embodiments are used as examples to explain in detail the pixel arrangement structure as one purpose of the present invention. As long as the inventive concept belongs to other variant embodiments described in the above embodiments, they are all within the protection scope of the present invention. As described above, the pixel arrangement structure of the present invention can obtain the beneficial technical effects of improving pixel reuse rate and display resolution. In addition, each sub-pixel preferably uses an LED, and the bisectors, parallel straight lines, midpoint lines, and virtual pixel unit division boundaries shown in the drawings described in the specification are for the purpose of clear explanation and do not represent the actual physical existence of each technical feature.

[0042] As another object of the present invention, a display panel is provided, which includes a circuit board and any of the above pixel arrangement structures arranged on the circuit board. The display panel has the beneficial technical effects brought by any of the above pixel arrangement structures, which will not be described in detail here. The display panel can be an LED (Light Emitting Diode) display panel, a COB display panel, an OLED (Organic Light-Emitting Diode) display panel, etc.

[0043] As another object of the present invention, a display device is provided and has the effects of any of the above display panels, which will not be described in detail here. For example, the display device can be a display screen, a mobile phone, a tablet, a handheld computer, a smart watch, etc.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A pixel arrangement structure, applied to a display module, characterized in that: include: A plurality of physical pixel units arranged in a matrix form, each of the physical pixel units comprising a first sub-pixel, two second sub-pixels and a third sub-pixel; In a first direction, the second sub-pixel and the third sub-pixel, and the first sub-pixel and the second sub-pixel are arranged in two rows respectively, and in a second direction perpendicular to the first direction, the second sub-pixel and the first sub-pixel, and the third sub-pixel and the second sub-pixel are arranged in two columns respectively, two second sub-pixels are arranged diagonally, and the first sub-pixel, the second sub-pixel and the third sub-pixel form a square; Each of the second sub-pixels at the center may form a plurality of virtual pixel units with a first sub-pixel and a third sub-pixel that are immediately adjacent to each other in the first direction and the second direction, respectively.

2. The pixel arrangement structure according to claim 1, characterized in that: In the extension direction of the bisector of the angle between the first direction and the second direction, three physical pixel units adjacent to each other form two first pixel groups and a second pixel group, both of which are square, each pixel group has a second sub-pixel at the center, and the second sub-pixel and two of the four vertices located in the same pixel group and the first sub-pixels and the third sub-pixels adjacent to each other can respectively form multiple first virtual pixel units.

3. The pixel arrangement structure according to claim 2, characterized in that: The first pixel group and the second pixel group share one first sub-pixel and one third sub-pixel, the angle between the bisector and the second direction is α, and the angle between the center line of the shared first sub-pixel and the third sub-pixel and the extension direction of the bisector is 180°-2α.

4. The pixel arrangement structure according to claim 1, characterized in that: Along the first direction and the second direction, the two rows and two columns of physical pixel units adjacent to each other form a square third pixel group, and the third pixel group includes a plurality of sub-pixels arranged in three rows and three columns; a second sub-pixel is respectively provided at the center and four vertices of the third pixel group, and a pair of first sub-pixels and a pair of third sub-pixels are respectively provided at the midpoints of two pairs of opposite sides of the third pixel group; the second sub-pixel located at the center of the third pixel group can form a plurality of second virtual pixel units with the first sub-pixel and the third sub-pixel adjacent thereto.

5. The pixel arrangement structure according to claim 4, characterized in that: In the first direction, the third pixel groups that are aligned in pairs and are adjacent to each other share a sub-pixel row, and the sub-pixel row is arranged in sequence as the second sub-pixel, the third sub-pixel and the second sub-pixel in the second direction. In the second direction, the third pixel groups that are aligned in pairs and are adjacent to each other share a sub-pixel column, and the sub-pixel column is arranged in sequence as the second sub-pixel, the first sub-pixel and the second sub-pixel in the first direction.

6. The pixel arrangement structure according to claim 1, characterized in that: A plurality of first parallel straight lines that are parallel to the first direction and the second direction and that are respectively at an angle of 45°, and a plurality of second parallel straight lines that are respectively perpendicular to the first parallel straight lines, pass through the midpoints of the second sub-pixels in sequence or alternately pass through the first sub-pixel and the third sub-pixel, and the distances between the lines connecting the midpoints of two adjacent second sub-pixels and the lines connecting the midpoints of two adjacent first sub-pixels and the third sub-pixels are equal.

7. The pixel arrangement structure according to claim 2, characterized in that: The number of the first virtual pixel units that can be formed in each pixel group is four.

8. The pixel arrangement structure according to claim 4, characterized in that: The number of the second virtual pixel units that can be formed in each pixel group is four.

9. The pixel arrangement structure according to claim 1, characterized in that: The first sub-pixel, the second sub-pixel and the third sub-pixel emit red, green and blue light respectively.

10. A display panel, characterized in that It comprises a circuit board and a pixel arrangement structure arranged on the circuit board, wherein the pixel arrangement structure is the pixel arrangement structure according to any one of claims 1 to 9.

11. A display device, characterized in that Comprising the display panel according to claim 10.

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