CN109300958B - Pixel structure, display panel and display device - Google Patents
Pixel structure, display panel and display device Download PDFInfo
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- CN109300958B CN109300958B CN201811173823.9A CN201811173823A CN109300958B CN 109300958 B CN109300958 B CN 109300958B CN 201811173823 A CN201811173823 A CN 201811173823A CN 109300958 B CN109300958 B CN 109300958B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
Abstract
The invention discloses a pixel structure, a display panel and a display device, which are used for improving the visual PPI of the display device so as to improve the display effect of the display device. The odd rows of the pixel structure comprise first sub-pixels and second sub-pixels which are arranged in a staggered mode, the even rows comprise third sub-pixels which are arranged repeatedly and arranged in a staggered mode with the first sub-pixels or the second sub-pixels in the odd rows, and the sub-pixels located in the same column in the two adjacent odd rows are respectively the first sub-pixels and the second sub-pixels; the first sub-pixel and the second sub-pixel have the same shape, and the first sub-pixel and the second sub-pixel which are adjacent in the row direction are arranged in an axial symmetry manner; and for any third sub-pixel in the nth row, the four sides of the third sub-pixel are respectively parallel to one side of four sub-pixels which are arranged in the nth-1 th row and the nth +1 th row and are close to the third sub-pixel, and the distances between the four pairs of parallel sides are equal.
Description
Technical Field
The invention relates to the technical field of display, in particular to a pixel structure, a display panel and a display device.
Background
Organic Light-Emitting Diode (OLED) display devices have been classified as a next generation display technology with great development prospects because of their advantages of thinness, lightness, wide viewing angle, active Light emission, continuously adjustable Light emission color, low cost, fast response speed, low energy consumption, low driving voltage, wide working temperature range, simple production process, high Light emission efficiency, flexible display, etc.
In order to obtain better display effect, the resolution of the display device is required to be higher and higher in the prior art, which requires that the size of the pixel or the pixel circuit is smaller and smaller. However, due to the limitation of the state of the art, PPI (Pixels Per inc, the number of Pixels Per Inch) has been approaching the limit for the conventional R, G, B alternating and repeating pixel structure in the prior art, and the display effect of the display device is difficult to be further improved.
Disclosure of Invention
Embodiments of the present invention provide a pixel structure, a display panel and a display device, so as to improve a visual PPI of the display device, thereby improving a display effect of the display device.
The embodiment of the invention provides a pixel structure, which comprises a pixel array formed by arranging a plurality of sub-pixels in rows and columns, wherein odd rows in the pixel array comprise first sub-pixels and second sub-pixels which are arranged in a staggered manner, even rows comprise third sub-pixels which are arranged repeatedly and arranged in a staggered manner with the first sub-pixels or the second sub-pixels in the odd rows, and the sub-pixels positioned in the same column in two adjacent odd rows are respectively a first sub-pixel and a second sub-pixel; the shapes of the first sub-pixel, the second sub-pixel and the third sub-pixel are all polygons, the shapes of the first sub-pixel and the second sub-pixel are the same, and the first sub-pixel and the second sub-pixel which are adjacent in the row direction are arranged in an axial symmetry mode; wherein the content of the first and second substances,
each third sub-pixel comprises at least four sides, for any third sub-pixel in the nth row, four sides of the third sub-pixel are respectively parallel to one side of four sub-pixels which are arranged close to the third sub-pixel in the (n-1) th row and the (n + 1) th row, the distance between the four pairs of parallel sides is equal, n is an even number, and n is not equal to 0.
Preferably, the first sub-pixel and the second sub-pixel are respectively a hexagon having five obtuse angle inner angles and one acute angle inner angle, the hexagon is an axisymmetric figure symmetrical about the angle bisector of the acute angle inner angle thereof, and the angle bisectors of the acute angle inner angles of each sub-pixel in the same odd-numbered row are coincident.
Optionally, the first sub-pixels and the second sub-pixels adjacent to each other in the column direction are arranged in axial symmetry.
Preferably, the third sub-pixel is in a diamond shape, and for any third sub-pixel in the nth row, when acute internal angles of two sub-pixels, which are close to the third sub-pixel, in the (n-1) th row or the (n + 1) th row are oppositely arranged, a first diagonal line of the third sub-pixel extends along the row direction; when the acute internal angles of the two sub-pixels arranged near the third sub-pixel in the (n-1) th row or the (n + 1) th row are arranged back to back, the second diagonal line of the third sub-pixel extends along the row direction, wherein the length of the first diagonal line is greater than that of the second diagonal line.
Optionally, the first sub-pixels and the second sub-pixels adjacent to each other in the column direction are arranged symmetrically with respect to the central axis.
Preferably, the third sub-pixel is pentagonal, and for any third sub-pixel in the nth row, when acute internal angles of two sub-pixels in the nth-1 row, which are close to the third sub-pixel, are oppositely arranged, and acute internal angles of two sub-pixels in the n +1 row, which are close to the third sub-pixel, are oppositely arranged, one of the internal angles of the third sub-pixel is arranged towards the nth-1 row; when the acute internal angles of the two sub-pixels in the (n-1) th row, which are close to the third sub-pixel, are oppositely arranged, and the acute internal angles of the two sub-pixels in the (n + 1) th row, which are close to the third sub-pixel, are oppositely arranged, one of the internal angles of the third sub-pixel is arranged towards the (n + 1) th row.
Preferably, the first sub-pixel is a red sub-pixel, the second sub-pixel is a blue sub-pixel, and the third sub-pixel is a green sub-pixel.
Preferably, the area of the third sub-pixel is smaller than the area of the first sub-pixel.
In the embodiment of the present invention, four sides of any third sub-pixel in the nth row are respectively parallel to one side of four sub-pixels arranged close to the third sub-pixel in the (n-1) th row and the (n + 1) th row, so that the aperture ratio of each sub-pixel in the pixel structure is maximized; meanwhile, the third sub-pixel and the first sub-pixel or the second sub-pixel which is arranged close to the third sub-pixel in the (n-1) th line form a pixel point, and the pixel point uses the second sub-pixel or the first sub-pixel of the pixel point adjacent to the third sub-pixel in the line direction to form three primary colors in actual display.
The embodiment of the invention also provides a display panel which comprises the pixel structure in any one of the technical schemes. The display panel has a good display effect.
The embodiment of the invention also provides a display device which comprises the display panel in the technical scheme. The display device has a good display effect.
Drawings
FIG. 1 is a schematic structural diagram of a pixel structure according to an embodiment of the invention;
FIG. 2 is a first schematic diagram illustrating a first partial structure of the pixel structure of FIG. 1;
FIG. 3 is a second schematic diagram illustrating a partial structure of the pixel structure of FIG. 1;
FIG. 4 is a schematic structural diagram of a pixel structure according to another embodiment of the present invention;
fig. 5 is a schematic partial structure diagram of the pixel structure in the embodiment of fig. 4.
Reference numerals:
100-pixel point 10-first sub-pixel 20-second sub-pixel 30-third sub-pixel
31-first diagonal 32-second diagonal
Detailed Description
In order to improve the visual PPI of the display device and thus improve the display effect of the display device, embodiments of the present invention provide a pixel structure, a display panel and a display device. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
As shown in fig. 1 and fig. 2, a pixel structure provided by an embodiment of the present invention includes a pixel array formed by a plurality of sub-pixels arranged in rows and columns, an odd row in the pixel array includes first sub-pixels 10 and second sub-pixels 20 arranged in a staggered manner, an even row includes third sub-pixels 30 arranged repeatedly and arranged in a staggered manner with respect to the first sub-pixels 10 or the second sub-pixels 20 in the odd row, and in two adjacent odd rows, the sub-pixels in the same column are respectively the first sub-pixels 10 and the second sub-pixels 20; the shapes of the first sub-pixel 10, the second sub-pixel 20 and the third sub-pixel 30 are all polygons, the shapes of the first sub-pixel 10 and the second sub-pixel 20 are the same, and the first sub-pixel 10 and the second sub-pixel 20 which are adjacent in the row direction are arranged in an axial symmetry manner; wherein the content of the first and second substances,
each third sub-pixel 30 comprises at least four sides, for any third sub-pixel 30 in the nth row, four sides of the third sub-pixel 30 are respectively parallel to one side of four sub-pixels which are arranged close to the third sub-pixel in the (n-1) th row and the (n + 1) th row, the distance d between the four pairs of parallel sides is equal, n is an even number, and n is not equal to 0.
Referring to fig. 3, in the embodiment of the invention, four sides of any third sub-pixel 30 in the nth row are respectively parallel to one side of four sub-pixels disposed close to the third sub-pixel 30 in the (n-1) th row and the (n + 1) th row, so that the aperture ratio of each sub-pixel in the pixel structure is maximized; meanwhile, the third sub-pixel 30 and the first sub-pixel 10 or the second sub-pixel 20 arranged close to the third sub-pixel in the (n-1) th row form a pixel point 100, and the pixel point 100 uses the second sub-pixel 20 or the first sub-pixel 10 of the pixel point 100 adjacent to the row direction to form three primary colors in actual display, so that under the condition that the number of the sub-pixels is the same, the number of the pixel points 100 of the pixel structure of the embodiment can reach 1.5 times of the number of the pixel points of a conventional pixel structure in the prior art, therefore, the visual PPI of the display device can be improved on the premise that the sub-pixels have a larger aperture opening ratio, and the display effect of the display device is improved.
From another perspective, if the pixel structure provided by the embodiment of the present invention is used to obtain the same visual PPI display effect as the conventional pixel structure, the number of pixels of the pixel structure provided by the embodiment of the present invention is reduced 1/3 compared to the number of pixels of the conventional pixel structure, and under the condition that the display panel size is the same, the distance between the sub-pixels in the embodiment of the present invention is significantly increased, so that the risk of evaporation color mixing between sub-pixels with different colors can be reduced.
The specific shape of the first sub-pixel 10 and the second sub-pixel 20 is not limited, and as shown in fig. 3, in a preferred embodiment of the present invention, the first sub-pixel 10 and the second sub-pixel 20 are hexagons having five obtuse internal angles and one acute internal angle α, respectively, the hexagons are axisymmetric patterns symmetrical about the angle bisector of the acute internal angle α thereof, and the angle bisectors of the acute internal angles α of each sub-pixel in the same odd-numbered row coincide.
In the embodiment of the present invention, the first sub-pixel 10 and the second sub-pixel 20 adjacent to each other in the row direction are disposed in an axisymmetric manner, and the first sub-pixel 10 and the second sub-pixel 20 adjacent to each other in the column direction may be disposed in an axisymmetric manner or in a centrosymmetric manner. As shown in fig. 1 and 3, in an embodiment of the present invention, when the first sub-pixel 10 and the second sub-pixel 20 adjacent to each other in the column direction are disposed in axial symmetry, in order to maximize the aperture ratio of the third sub-pixel 30, preferably, the third sub-pixel 30 has a diamond shape, and for any third sub-pixel 30 in the nth row, when the acute internal angle α of two sub-pixels disposed near the third sub-pixel 30 in the (n-1) th row or the (n + 1) th row is disposed oppositely, the first diagonal line 31 of the third sub-pixel 30 extends in the row direction; when the acute internal angle α of two sub-pixels disposed near the third sub-pixel 30 in the (n-1) th row or the (n + 1) th row is disposed opposite to each other, the second diagonal line 32 of the third sub-pixel 30 extends in the row direction, wherein the length of the first diagonal line 31 is greater than the length of the second diagonal line 32.
In another embodiment of the present invention, as shown in fig. 4 and 5, when the first sub-pixel 10 and the second sub-pixel 20 which are adjacent in a column direction are arranged in a central axis symmetry manner, in order to maximize the aperture ratio of the third sub-pixel 30, preferably, the third sub-pixel 30 is in a pentagon shape, and for any third sub-pixel 30 in the nth row, when the acute angle α of two sub-pixels arranged near the third sub-pixel 30 in the n-1 th row are oppositely arranged, and the acute angle α of two sub-pixels arranged near the third sub-pixel 30 in the n +1 th row are oppositely arranged, one of the inner angles of the third sub-pixel 30 is arranged toward the n-1 th row; when the acute internal angle α of the two sub-pixels in the (n-1) th row adjacent to the third sub-pixel 30 is oppositely disposed, and the acute internal angle α of the two sub-pixels in the (n + 1) th row adjacent to the third sub-pixel 30 is oppositely disposed, one of the internal angles of the third sub-pixel 30 is disposed toward the (n + 1) th row.
In the embodiments of the present invention, the colors of the first sub-pixel 10, the second sub-pixel 20, and the third sub-pixel 30 are different, but the specific color is not limited. For example, in the embodiment shown in fig. 1, the first sub-pixel 10 is a red sub-pixel, the second sub-pixel 20 is a blue sub-pixel, and the third sub-pixel 30 is a green sub-pixel. Since the lifetime of the green sub-pixel is longer than that of the red sub-pixel and the blue sub-pixel, in a preferred embodiment of the present invention, the area of the third sub-pixel 30 is smaller than that of the first sub-pixel 10, that is, the area of the green sub-pixel is smaller than that of the red sub-pixel and the blue sub-pixel (the second sub-pixel 20 has the same shape as the first sub-pixel 10), so that the current density of the green sub-pixel can be increased, and the fading speed of the green sub-pixel can be matched with the fading speed of the blue sub-pixel and the red sub-pixel.
The embodiment of the invention also provides a display panel which comprises the pixel structure of any one of the technical schemes. The display panel has a good display effect.
The embodiment of the invention also provides a display device which comprises the display panel in the technical scheme. The display device has a good display effect.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A pixel structure is characterized by comprising a pixel array formed by arranging a plurality of sub-pixels in rows and columns, wherein odd rows in the pixel array comprise first sub-pixels and second sub-pixels which are arranged in a staggered mode, even rows comprise third sub-pixels which are arranged repeatedly and arranged in a staggered mode with the first sub-pixels or the second sub-pixels in the odd rows, and the sub-pixels in the same column in two adjacent odd rows are respectively the first sub-pixels and the second sub-pixels; the shapes of the first sub-pixel, the second sub-pixel and the third sub-pixel are all polygons, the shapes of the first sub-pixel and the second sub-pixel are the same, and the first sub-pixel and the second sub-pixel which are adjacent in the row direction are arranged in an axial symmetry mode; wherein the content of the first and second substances,
each third sub-pixel comprises at least four sides, for any third sub-pixel in the nth row, four sides of the third sub-pixel are respectively parallel to one side of four sub-pixels which are arranged close to the third sub-pixel in the (n-1) th row and the (n + 1) th row, the distance between the four pairs of parallel sides is equal, n is an even number and is not equal to 0;
the first sub-pixel and the second sub-pixel are respectively hexagons with five obtuse angle inner angles and one acute angle inner angle, the hexagons are axisymmetric figures which are symmetrical about angle bisectors of the acute angle inner angles, and the angle bisectors of the acute angle inner angles of each sub-pixel in the same odd-numbered row are overlapped;
the first sub-pixel and the second sub-pixel which are adjacent in the column direction are arranged in axial symmetry;
the third sub-pixels are in a diamond shape, and for any third sub-pixel in the nth row, when acute internal angles of two sub-pixels, which are close to the third sub-pixel, in the (n-1) th row or the (n + 1) th row are oppositely arranged, a first diagonal line of the third sub-pixel extends along the row direction; when the acute internal angles of the two sub-pixels arranged close to the third sub-pixel in the (n-1) th row or the (n + 1) th row are arranged back to back, a second diagonal line of the third sub-pixel extends along the row direction, wherein the length of the first diagonal line is greater than that of the second diagonal line;
the distance between any two adjacent third sub-pixels in the row direction is smaller than the width of the first sub-pixel in the row direction and smaller than the width of the second sub-pixel in the row direction.
2. A pixel structure is characterized by comprising a pixel array formed by arranging a plurality of sub-pixels in rows and columns, wherein odd rows in the pixel array comprise first sub-pixels and second sub-pixels which are arranged in a staggered mode, even rows comprise third sub-pixels which are arranged repeatedly and arranged in a staggered mode with the first sub-pixels or the second sub-pixels in the odd rows, and the sub-pixels in the same column in two adjacent odd rows are respectively the first sub-pixels and the second sub-pixels; the shapes of the first sub-pixel, the second sub-pixel and the third sub-pixel are all polygons, the shapes of the first sub-pixel and the second sub-pixel are the same, and the first sub-pixel and the second sub-pixel which are adjacent in the row direction are arranged in an axial symmetry mode; wherein the content of the first and second substances,
each third sub-pixel comprises at least four sides, for any third sub-pixel in the nth row, four sides of the third sub-pixel are respectively parallel to one side of four sub-pixels which are arranged close to the third sub-pixel in the (n-1) th row and the (n + 1) th row, the distance between the four pairs of parallel sides is equal, n is an even number and is not equal to 0;
the first sub-pixel and the second sub-pixel are respectively hexagons with five obtuse angle inner angles and one acute angle inner angle, the hexagons are axisymmetric figures which are symmetrical about angle bisectors of the acute angle inner angles, and the angle bisectors of the acute angle inner angles of each sub-pixel in the same odd-numbered row are overlapped; the first sub-pixel and the second sub-pixel which are adjacent in the column direction are symmetrically arranged in a central axis manner;
the shape of the third sub-pixel is pentagonal, and for any third sub-pixel in the nth row, when acute-angle inner angles of two sub-pixels arranged in the (n-1) th row close to the third sub-pixel are oppositely arranged, and acute-angle inner angles of two sub-pixels arranged in the (n + 1) th row close to the third sub-pixel are oppositely arranged, one of the acute-angle inner angles of the third sub-pixel is arranged towards the (n-1) th row; when acute internal angles of two sub-pixels arranged close to the third sub-pixel in the (n-1) th row are arranged back to back, and acute internal angles of two sub-pixels arranged close to the third sub-pixel in the (n + 1) th row are arranged oppositely, one of the internal angles of the third sub-pixel is arranged towards the (n + 1) th row;
the distance between any two adjacent third sub-pixels in the row direction is smaller than the width of the first sub-pixel in the row direction and smaller than the width of the second sub-pixel in the row direction.
3. The pixel structure according to claim 1 or 2, wherein the first sub-pixel is a red sub-pixel, the second sub-pixel is a blue sub-pixel, and the third sub-pixel is a green sub-pixel.
4. The pixel structure of claim 3, wherein the area of the third sub-pixel is smaller than the area of the first sub-pixel.
5. A display panel comprising the pixel structure according to any one of claims 1 to 4.
6. A display device characterized by comprising the display panel according to claim 5.
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| CN110364558B (en) * | 2019-07-15 | 2021-11-16 | 云谷（固安）科技有限公司 | Pixel arrangement structure and display panel |
| CN111063714A (en) * | 2019-12-18 | 2020-04-24 | 武汉华星光电半导体显示技术有限公司 | Pixel structure and display device |
| CN111029389B (en) * | 2019-12-23 | 2022-06-17 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111146262A (en) | 2020-01-17 | 2020-05-12 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and display panel |
| CN111430403B (en) * | 2020-03-31 | 2022-11-22 | 上海天马微电子有限公司 | Display panel and display device |
| CN111739988B (en) * | 2020-06-29 | 2021-11-12 | 山东大学 | Vertical-structure broadband near-infrared LED and preparation method thereof |
| CN111816087A (en) * | 2020-07-17 | 2020-10-23 | 昆山国显光电有限公司 | Pixel structure and display panel |
| CN114373792A (en) * | 2020-09-10 | 2022-04-19 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN113299724A (en) * | 2021-06-22 | 2021-08-24 | 京东方科技集团股份有限公司 | Display panel and display device |
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