CN114300526A - Novel OLED pixel structure and arrangement method - Google Patents
Novel OLED pixel structure and arrangement method Download PDFInfo
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- CN114300526A CN114300526A CN202210015565.1A CN202210015565A CN114300526A CN 114300526 A CN114300526 A CN 114300526A CN 202210015565 A CN202210015565 A CN 202210015565A CN 114300526 A CN114300526 A CN 114300526A
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Abstract
The invention discloses a novel OLED pixel structure and an arrangement method, wherein a blue sub-pixel, a red sub-pixel and two green sub-pixels form a pixel unit, the blue sub-pixel and the red sub-pixel are both in a hexagonal structure, the two green sub-pixels are both in a horn-shaped structure, the service life of a blue sub-pixel material is prolonged by designing RGB sub-pixels into different shapes and sizes so as to improve the color cast problem of an OLED panel, compared with the adoption of a standard RGB arrangement which is the same as that of a traditional LCD (liquid crystal display), namely R, G, B with the same size and shape, the OLED pixel structure effectively prolongs the service life of an OLED blue light-emitting element, improves the color cast problem of the panel caused by long-time display, effectively reduces the granular feeling of a screen made of the OLED material by changing the distribution of RGB three primary colors in the pixels, reduces the number of the pixels by means of a color principle without changing the display effect, the cost is saved.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a novel OLED pixel structure and an arrangement method.
Background
The OLED panel is driven by the current to emit light by the organic materials in the light emitting element, the brightness of the RGB three sub-pixels is adjusted, and the RGB three sub-pixels are mixed and superposed to display a color picture.
The R, G, B subpixels of the OLED panel each use different organic materials. Since the blue light-emitting material has the shortest life and the lowest light-emitting efficiency, if the standard RGB arrangement-R, G, B size and shape are consistent as the traditional LCD, the phenomenon of yellow color cast of the panel can be generated due to the reduction of the light-emitting brightness of the blue sub-pixel after long-time use.
Therefore, the pixel arrangement with larger blue sub-pixels is designed based on the shape and the arrangement of the pixels, and has great significance for improving the color cast of the OLED panel.
Disclosure of Invention
The invention aims to provide a novel OLED pixel structure and an arrangement method, which can increase the service life of a blue sub-pixel material to improve the color cast problem of an OLED panel by designing RGB sub-pixels into different shapes and sizes so as to solve the problems in the background technology.
The invention provides the following technical scheme: the utility model provides a novel OLED pixel structure, includes that the array locates a plurality of pixel units on the panel, every pixel unit all includes a blue sub-pixel, a red sub-pixel and two green sub-pixels, adjacent two from top to bottom between the pixel unit, blue sub-pixel is adjacent with red sub-pixel, two green sub-pixel's upper and lower both ends are adjacent with blue sub-pixel and red sub-pixel respectively.
As a further optimization of the technical scheme, the red sub-pixels, the green sub-pixels and the blue sub-pixels have different area sizes, and the area relationship among the blue sub-pixels, the red sub-pixels and the green sub-pixels is that the blue sub-pixels are larger than the red sub-pixels and not smaller than the green sub-pixels, so that the service life of the blue sub-pixel material is prolonged to improve the color cast problem of the OLED panel and effectively prolong the service life of the OLED blue light-emitting element by increasing the area of the blue sub-pixels as much as possible;
as a further optimization of the technical scheme, the blue sub-pixel and the red sub-pixel are both in a hexagonal structure, the two green sub-pixels are both in a horn-shaped structure, and the two green sub-pixels are arranged in a mirror image manner, so that the service life of the blue sub-pixel material is prolonged to improve the color cast problem of the OLED panel by designing the blue sub-pixel, the red sub-pixel and the two green sub-pixels into different shapes and sizes;
as a further optimization of the technical solution, a distance is provided between the red sub-pixel and the blue sub-pixel, and a distance is also provided between the green sub-pixel and the blue sub-pixel, so that the distance between the red sub-pixel and the blue sub-pixel and the distance between the green sub-pixel and the blue sub-pixel are greater than or equal to a minimum limit distance allowed by process conditions, and the opening area of the blue sub-pixel is made as large as possible, thereby prolonging the service life of the blue light emitting element.
A novel OLED pixel structure arrangement method is used for forming an OLED pixel array in an OLED panel, and the novel OLED pixel structure arrangement method is used for uniformly arraying pixel units on the OLED panel which is completely covered;
the method comprises the steps of combining a blue sub-pixel, a red sub-pixel and two green sub-pixels to form a minimum pixel unit, arranging a plurality of pixel units on an OLED panel in an array mode, enabling the blue sub-pixel with a hexagonal structure to be adjacent to the red sub-pixel with the hexagonal structure, enabling the green sub-pixels with two horn-shaped structures to be arranged between the blue sub-pixel and the red sub-pixel in a mirror symmetry mode, and enabling the area relations among the blue sub-pixel, the red sub-pixel and the green sub-pixel to be distributed according to the fact that the blue sub-pixel is larger than the red sub-pixel and the green sub-pixel is larger than or equal to the green sub-pixel.
According to the characteristics that human eyes are most sensitive to green light, weakest in red light and blue light and shortest in blue service life, shortest in green light and longest in red light of an OLED organic light-emitting material, on the premise of meeting process conditions, the area of blue sub-pixels is increased as much as possible, and the blue sub-pixels are arrayed on a panel in a specific mode.
The invention has the following beneficial effects:
1. one blue sub-pixel, one red sub-pixel and two green sub-pixels form a pixel unit, the areas of the red sub-pixel, the green sub-pixel and the blue sub-pixel are different, the area relationship among the blue sub-pixel, the red sub-pixel and the green sub-pixel is that the blue sub-pixel is larger than the red sub-pixel and is not less than the green sub-pixel, the blue sub-pixel and the red sub-pixel are both in a hexagonal structure, the two green sub-pixels are both in a horn structure, by designing the RGB sub-pixels to be of different shapes and sizes, and by increasing the blue sub-pixel material lifetime to improve the OLED panel color shift problem, relative to using the standard RGB arrangement as in conventional LCDs, r, G, B, compared with the traditional OLED panel using standard RGB arrangement, the invention effectively prolongs the service life of the OLED blue light-emitting element and improves the problem of panel color cast caused by long-time display;
2. by changing the distribution of RGB three primary colors in the pixels, the granular sensation of the screen made of the material is effectively reduced, the number of the pixels is reduced by the color theory without changing the display effect, the visual angle, the display fineness and the color brightness saturation are well represented, and the cost is saved;
3. the low-resolution picture has no saw-tooth feeling in the visual longitudinal direction, and the low-resolution picture has small saw-tooth feeling in the visual transverse direction.
Drawings
FIG. 1 is a schematic structural diagram of a novel OLED pixel structure arrangement of the present invention;
FIG. 2 is a longitudinal color borrowing diagram according to the present invention;
FIG. 3 is a schematic diagram of a lateral color borrowing structure I of an OLED pixel structure according to the present invention;
FIG. 4 is a schematic diagram of a lateral color borrowing structure II of the OLED pixel structure of the present invention;
FIG. 5 is a schematic view of a lateral color borrowing III structure of an OLED pixel structure according to the present invention;
FIG. 6 is a longitudinal view of an OLED pixel structure according to the present invention;
FIG. 7 is a schematic diagram of a lateral view of an OLED pixel structure according to the present invention.
In the figure: 100. a pixel unit; 101. a blue sub-pixel; 102. a red sub-pixel; 103. a green sub-image.
Detailed Description
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the characteristics that human eyes are most sensitive to green light, weakest in red light and blue light and shortest in blue service life, shortest in green light and longest in red in an OLED organic light-emitting material, the area of blue sub-pixels is increased as much as possible on the premise of meeting process conditions, and the blue sub-pixels are arrayed on a panel in a specific mode.
The invention provides a novel OLED pixel structure shown in FIG. 1, which comprises a plurality of pixel units 100 arranged on a panel in an array manner, wherein each pixel unit 100 comprises a blue sub-pixel 101, a red sub-pixel 102 and two green sub-pixels 103, the blue sub-pixel 101 is adjacent to the red sub-pixel 102 between two adjacent pixel units 100, and the upper end and the lower end of each of the two green sub-pixels 103 are respectively adjacent to the blue sub-pixel 101 and the red sub-pixel 102.
The area relationship among the blue sub-pixel 101, the red sub-pixel 102 and the green sub-pixel 103 is that the blue sub-pixel 101 is larger than the red sub-pixel 102 is larger than or equal to the green sub-pixel 103, and the service life of the blue sub-pixel material is prolonged to improve the color cast problem of the OLED panel and effectively prolong the service life of the OLED blue light-emitting element by increasing the area of the blue sub-pixel 101 as much as possible;
the blue sub-pixel 101 and the red sub-pixel 102 are both in a hexagonal structure, the two green sub-pixels 103 are both in a horn-shaped structure, and the two green sub-pixels 103 are arranged in a mirror image manner, so that the service life of the blue sub-pixel material is prolonged to improve the color cast problem of the OLED panel by designing the blue sub-pixel 101, the red sub-pixel 102 and the two green sub-pixels 103 into different shapes and sizes;
a distance is arranged between the red sub-pixel 102 and the blue sub-pixel 101, a distance is also arranged between the green sub-pixel 103 and the blue sub-pixel 101, the distance between the red sub-pixel 102 and the blue sub-pixel 101 and the distance between the green sub-pixel 103 and the blue sub-pixel 101 are larger than or equal to the minimum limit distance allowed by process conditions, the opening area of the blue sub-pixel 101 is made as large as possible, and the service life of the blue light-emitting element is prolonged.
A novel OLED pixel structure arrangement method is used for forming an OLED pixel array in an OLED panel, and the novel OLED pixel structure arrangement method is used for uniformly arraying pixel units 100 on the OLED panel which is completely covered;
the method comprises the steps of combining a blue sub-pixel 101, a red sub-pixel 102 and two green sub-pixels 103 to form a minimum pixel unit 100, arranging a plurality of pixel units 100 on an OLED panel in an array mode, enabling the blue sub-pixel 101 in a hexagonal structure to be adjacent to the red sub-pixel 102 in the hexagonal structure, enabling the green sub-pixels 103 in two horn-shaped structures in mirror symmetry to be arranged between the blue sub-pixel 101 and the red sub-pixel 102, enabling the areas of the red sub-pixel 102, the green sub-pixel 103 and the blue sub-pixel 101 to be different, and enabling the area relation among the blue sub-pixel 101, the red sub-pixel 102 and the green sub-pixel 103 to be that the blue sub-pixel 101 is larger than the red sub-pixel 102 and larger than or equal to the green sub-pixel 103.
As shown in fig. 1, in order to implement the pixel arrangement of the present invention, a smallest pixel unit 100 is located inside a dashed line frame, and includes a blue sub-pixel 101, a red sub-pixel 102 and two green sub-pixels 103, three sub-pixels of the blue sub-pixel 101, the red sub-pixel 102 and the two green sub-pixels 103 are respectively designed into different shapes according to the size relationship of the color sub-pixel 101 > the red sub-pixel 102 ≧ the green sub-pixel 103, where the blue sub-pixel 101 and the red sub-pixel 102 are hexagons; the green sub-pixel 103 is in a horn shape, the blue sub-pixel 101 is adjacent to the red sub-pixel 102, the two green sub-pixels 103 are adjacent to the blue sub-pixel 101 and the red sub-pixel 102, the distance between the red sub-pixel 102 and the blue sub-pixel 101 and the distance between the green sub-pixel 103 and the blue sub-pixel 101 are larger than or equal to the minimum limit distance allowed by process conditions, the opening area of the blue sub-pixel 101 is made as large as possible, and therefore the service life of the blue light-emitting element is prolonged.
As shown in fig. 2, in the longitudinal direction, as shown by a dashed line block a, any one red sub-pixel 102 in the panel can be combined with one blue sub-pixel 101 adjacent below and two green sub-pixels 103 adjacent above into an independent pixel unit 100; as shown in a dashed line box b, any one blue sub-pixel 101 of the panel can be combined with one red sub-pixel 102 adjacent to the blue sub-pixel and two green sub-pixels 103 adjacent to the red sub-pixel to form an independent pixel unit 100;
as shown in fig. 3, in the horizontal direction, as shown by the dashed line box c and the dashed line box d, any one blue sub-pixel 101 in the panel can be combined with one red sub-pixel 102 and two green sub-pixels 103 adjacent to the right (left) into one independent pixel unit 100;
as shown in fig. 4, in the horizontal direction, as shown by the dashed line frame e and the dashed line frame f, any one of the blue sub-pixel 101 and the red sub-pixel 102 in the panel may form an independent pixel unit 100 with a green sub-pixel 103 on the left (right) of their adjacent pixels;
as shown in fig. 5, in the horizontal direction, as shown by the dashed line box g and the dashed line box h, any one of the blue sub-pixel 101 and the red sub-pixel 102 in the panel can form an independent pixel unit 100 with the two green sub-pixels 103 on the left (right) adjacent to them, so that the high resolution effect that the human eyes subjectively perceive can be achieved by the sub-pixels through the physical low resolution by virtue of the color principle.
As shown in FIG. 6, the pixels in the vertical direction are shown in a linear arrangement as indicated by the dashed box i.
As shown in FIG. 7, the horizontal pixels are shown in a wavy arrangement as indicated by the dashed box j.
The method comprises the steps that a blue sub-pixel 101, a red sub-pixel 102 and two green sub-pixels 103 form a pixel unit, the area relation among the blue sub-pixel 101, the red sub-pixel 102 and the green sub-pixels 103 is that the blue sub-pixel 101 is larger than the red sub-pixel 102 and is not smaller than the green sub-pixel 103, the blue sub-pixel 101 and the red sub-pixel 102 are both in a hexagonal structure, and the two green sub-pixels 103 are both in a horn-shaped structure.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A novel OLED pixel structure comprises a plurality of pixel units (100) arranged on a panel in an array mode, and is characterized in that: each pixel unit (100) comprises a blue sub-pixel (101), a red sub-pixel (102) and two green sub-pixels (103), the blue sub-pixel (101) is adjacent to the red sub-pixel (102) between two adjacent pixel units (100), and the upper end and the lower end of each green sub-pixel (103) are respectively adjacent to the blue sub-pixel (101) and the red sub-pixel (102).
2. The novel OLED pixel structure of claim 1, wherein: the red sub-pixel (102), the green sub-pixel (103) and the blue sub-pixel (101) are different in area size, and the area relationship among the blue sub-pixel (101), the red sub-pixel (102) and the green sub-pixel (103) is that the blue sub-pixel (101) > the red sub-pixel (102) ≧ the green sub-pixel (103).
3. The novel OLED pixel structure of claim 1, wherein: the blue sub-pixel (101) and the red sub-pixel (102) are both in a hexagonal structure, the two green sub-pixels (103) are both in a horn-shaped structure, and the two green sub-pixels (103) are arranged in a mirror image mode.
4. The novel OLED pixel structure of claim 1, wherein: a space is arranged between the red sub-pixel (102) and the blue sub-pixel (101), and a space is also arranged between the green sub-pixel (103) and the blue sub-pixel (101).
5. A method of arranging a novel OLED pixel structure according to any one of claims 1-4, wherein: an arrangement method for forming an array of OLED pixels in the OLED panel and the novel OLED pixel structure uniformly arrays the pixel cells (100) over the full coverage of the OLED panel;
the pixel structure is characterized in that a blue sub-pixel (101), a red sub-pixel (102) and two green sub-pixels (103) are combined to form a minimum pixel unit (100), a plurality of pixel units (100) are arranged on an OLED panel in an array mode, the blue sub-pixel (101) with a hexagonal structure is adjacent to the red sub-pixel (102) with the hexagonal structure, the two green sub-pixels (103) with a horn-shaped structure which are in mirror symmetry are arranged between the blue sub-pixel (101) and the red sub-pixel (102), and the area relation among the blue sub-pixel (101), the red sub-pixel (102) and the green sub-pixel (103) is arranged and distributed according to the conditions that the blue sub-pixel (101) is larger than the red sub-pixel (102) and the green sub-pixel (103).
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| CN202210015565.1A CN114300526A (en) | 2022-01-07 | 2022-01-07 | Novel OLED pixel structure and arrangement method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024021416A1 (en) * | 2022-07-29 | 2024-02-01 | 惠科股份有限公司 | Pixel arrangement structure, display panel, and mask assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024021416A1 (en) * | 2022-07-29 | 2024-02-01 | 惠科股份有限公司 | Pixel arrangement structure, display panel, and mask assembly |
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