WO2016101619A1 - Oled像素排列结构及显示装置 - Google Patents
Oled像素排列结构及显示装置 Download PDFInfo
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- WO2016101619A1 WO2016101619A1 PCT/CN2015/085423 CN2015085423W WO2016101619A1 WO 2016101619 A1 WO2016101619 A1 WO 2016101619A1 CN 2015085423 W CN2015085423 W CN 2015085423W WO 2016101619 A1 WO2016101619 A1 WO 2016101619A1
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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
- H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
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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
Definitions
- the present invention relates to the field of semiconductor manufacturing technology, and in particular, to an OLED pixel arrangement structure and a display device.
- OLED Organic Light-Emitting diode displays
- red (R), green (G), and blue (B) three primary color pixels are juxtaposed (side-by-side) Pixelation) is the most mature technology in development.
- three sub-pixels of R, G, and B are alternately arranged in a plane, and three adjacent sub-pixels constitute a pixel unit that can emit any color, that is, a basic image unit, and the pixel units are repeatedly arranged in a plane to form a display screen.
- a conventional pixel arrangement structure is to group sub-pixels of the same color, so that one FMM opening can simultaneously evaporate two, three or four sub-pixels, but
- a serious disadvantage is that the distance between the sub-pixels is increased, and the graininess is severe when the monochrome is displayed.
- Another existing pixel arrangement structure is to form a pixel by red (R) + green (G) or blue (B) + green (G), and achieve the purpose of simulating a high PPI by sharing two sub-pixels of R and B.
- the true color display effect of the pixel arrangement structure is poor.
- An OLED pixel arrangement structure includes a plurality of first sub-pixels, a plurality of second sub-pixels, and a plurality of third sub-pixels, wherein adjacent four first sub-pixels and four second sub-pixels are spaced and surrounded Around a third sub-pixel, a center of the adjacent four first sub-pixels and a center of four second sub-pixels constitute a vertex of a virtual octagonal cell, the virtual octagonal cell having At least two orthogonal symmetry axes, the first sub-pixel forming the virtual octagon cell, the second sub-pixel, and the third located in the virtual octagon cell Among the sub-pixels, the first sub-pixel, the second sub-pixel, and a portion of the third sub-pixel located on one side of one of the orthogonal symmetry axes of the virtual octagon form a basic pixel unit; the third sub-pixel The center of the coincides with the center of the virtual octagon cell.
- a display device comprising the above-described OLED pixel arrangement structure.
- the OLED pixel arrangement structure and the display device are repeatedly arranged according to the structure of the virtual octagon cells by the plurality of first sub-pixels, the second sub-pixels, and the third sub-pixel, and are divided by half of the virtual octagon cells.
- the basic pixel unit breaks through the limitations of the FMM fabrication process and the coating process, effectively improves the PPI value and resolution of the OLED display, and improves the image quality and effect of the OLED display.
- FIG. 1 is a schematic structural view of an OLED pixel arrangement structure of a first embodiment
- FIG. 2 is a schematic structural view of an embodiment of a basic pixel unit of FIG. 1;
- FIG. 3 is a schematic structural view of another embodiment of the basic pixel unit of FIG. 1;
- FIG. 4 is a schematic structural view of an OLED pixel arrangement structure of a second embodiment
- FIG. 5 is a schematic structural view of an OLED pixel arrangement structure of a third embodiment.
- the OLED pixel arrangement structure of the first embodiment includes a plurality of first sub-pixels 100 , a plurality of second sub-pixels 101 , and a plurality of third sub-pixels 102 .
- the adjacent four first sub-pixels 100 and the four second sub-pixels 101 are spaced apart and surround each other around a third sub-pixel 102, and the centers of the four adjacent first sub-pixels 100 and four second
- the center of the sub-pixel 101 constitutes a vertex of a virtual octagonal cell OC, and the virtual octagonal cell OC has at least two orthogonal symmetry axes.
- the virtual octagon is located in the first sub-pixel 100, the second sub-pixel 101 forming the virtual octagonal cell OC, and the third sub-pixel 102 located in the virtual octagonal cell OC.
- the first sub-pixel 100, the second sub-pixel 101, and a portion of the third sub-pixel 102 on one side of the orthogonal symmetry axis of the cell OC form a basic pixel unit.
- the center of the third sub-pixel 102 coincides with the center of the virtual octagonal cell OC.
- first sub-pixel 100 is spaced apart from the third sub-pixel 102, and the center of the first sub-pixel 100 is located at the first vertex P1 of the virtual octagonal cell OC.
- the second sub-pixel 101 is spaced apart from the first sub-pixel 100 and the third sub-pixel 102, and the center of the second sub-pixel 101 is located at the second vertex P2 of the virtual octagonal cell OC, and the second vertex P2 is first The vertex P1 is adjacent.
- the breakthrough can be achieved.
- the limitation of the FMM manufacturing process and the coating process effectively improves the PPI value and resolution of the OLED display, and improves the image quality and effect of the OLED display.
- the four first sub-pixels 100 and the four second sub-pixels 101 forming the virtual octagonal cell OC are alternately arranged in sequence.
- the four first sub-pixels 100 and the four second sub-pixels 101 forming the virtual octagonal cell OC may also be distributed in other structures, for example, each of the two first sub-pixels 100 is a group.
- Each of the two second sub-pixels 101 is a group, and the two sets of the first sub-pixels 100 and the two sets of the second sub-pixels 101 are alternately arranged.
- the OLED pixel arrangement structure is formed by the first sub-pixel 100, the second sub-pixel 101, and the third sub-pixel 102, wherein the plurality of the first sub-pixels 100 and the plurality of second sub-pixels
- the pixel 101 and the plurality of third sub-pixels 102 constitute a plurality of basic pixel units, the basic pixel unit being a single pixel repeating unit, and the basic pixel unit can be drawn by a virtual rectangular frame RE.
- Each basic pixel unit includes two 1/2 first sub-pixels 100, two 1/2 second sub-pixels 101, and one 1/2 third sub-pixel 102.
- the first sub-pixel 100 and the second sub-pixel 101 of the two adjacent basic pixel units sharing the same third sub-pixel 102 are centrally connected to form a virtual octagon cell OC, wherein the first sub-pixel 100 and the center of the second sub-pixel 101 respectively coincide with the first vertex P1 and the second vertex P2 of the virtual octagon cell, and the first sub-pixel 100 and the second sub-pixel 101 are alternately and repeatedly arranged; the third sub- The center of the pixel 102 coincides with the center of the virtual octagonal cell OC.
- first sub-pixel 100 and the second sub-pixel 101 of the adjacent basic pixel units sharing the same third sub-pixel 102 are distributed along the circumference of the shared third sub-pixel 102, and the first sub-pixel 100 is And the second sub-pixels 101 are alternately arranged.
- the first vertices P1, the second vertices P2, and the nine sub-pixels placed in the virtual octagonal cell OC constitute a repeating arrangement of sub-pixel groups that are repeatedly arranged in a loop plane of the display device. Since the first vertices P1 of the virtual octagon cells OC, the first sub-pixels 100 at the second vertices P2, and the second sub-pixels 101 are shared by two virtual octagon cells, the calculation is performed.
- each virtual octagon cell OC includes 4 ⁇ 1/2, that is, two first The sub-pixel and the two second sub-pixels, the third sub-pixel 102 of each virtual octagon cell OC center is calculated as one, that is, each virtual octagon cell OC includes one third sub-pixel.
- each virtual octagon cell OC includes a first sub-pixel, a second sub-pixel, and a third sub-pixel in a ratio of 2:2:1, that is, the first sub-pixel and the second sub-pixel in the display device. The ratio of the number of pixels to the third sub-pixel is 2:2:1.
- the virtual octagon cell OC is a regular octagon.
- the border of the virtual rectangular frame RE passes through the center of five sub-pixels, and includes half of each sub-pixel of five sub-pixels, that is, the frame of the virtual rectangular frame RE passes through a pair respectively.
- the first sub-pixel 100, the second sub-pixel 101, and the third sub-pixel 102 may be any one of red, green, and blue illuminating colors, and the first sub-pixel 100 and the second sub-pixel
- the illuminating colors of the 101 and the third sub-pixels 102 are all different.
- blue luminescent materials have the lowest luminous efficiency and longevity
- red materials have higher efficiency and lifetime than blue
- green materials have the highest efficiency and longevity. Therefore, when designing pixel area and arrangement, it is possible to change between sub-pixels.
- the relative area balances the effects of material factors; the blue illuminating sub-pixel has the largest area, followed by red and green.
- FIG. 2 is a schematic structural diagram of an embodiment of the basic pixel unit of FIG.
- the first sub-pixel 100 is a red sub-pixel R
- the second sub-pixel 101 is a green sub-pixel G
- the third sub-pixel 102 is a blue sub-pixel B. That is, in the color arrangement example, each basic pixel unit includes one red sub-pixel, one green sub-pixel, and 1/2 blue sub-pixel.
- FIG. 3 is a schematic structural diagram of another embodiment of the basic pixel unit of FIG. 1.
- the first sub-pixel 100 is a red sub-pixel R
- the second sub-pixel 101 is a green sub-pixel B
- the third sub-pixel 102 is a blue sub-pixel G. That is, in the color arrangement example, each basic pixel unit includes one red sub-pixel, one blue sub-pixel, and 1/2 green sub-pixel.
- the first sub-pixel 100, the second sub-pixel 101, and the third sub-pixel 102 are all square, and the first sub-pixel 100, the second sub-pixel 101, and the third are not considered.
- the metal mask, the pixel-divided insulating layer, the precision of the coating, and other factors, as well as the material luminous efficiency, driving design and other factors will restrict the arrangement of pixels, shape and size, and sub-pixels.
- the spacing between the designs will restrict the arrangement of pixels, shape and size, and sub-pixels.
- FIG. 4 is a schematic structural diagram of an OLED pixel arrangement structure according to a second embodiment. Compared with the first embodiment of the present invention, some factors affecting the pixel arrangement, the shape and the distance between pixels, and the first sub-pixel 100 and the second sub-pixel are considered in the present embodiment.
- 101 is a symmetrical pentagon, and the symmetry axis of the pentagon coincides with the edge of the virtual octagon cell OC, and the first sub-pixel 100 and the second sub-pixel 101 are alternately arranged.
- the shapes of the first sub-pixel 100, the second sub-pixel 101, and the third sub-pixel 102 may also be polygons such as a triangle, a quadrangle, a hexagon, a heptagon, an octagon, and the like. .
- the minimum spacing between the first sub-pixel 100 and the second sub-pixel 101 is L3, and the minimum spacing between the first sub-pixel 100 and the third sub-pixel 102 is L1.
- the first sub-pixel 100, the second sub-pixel 101, and the third sub-pixel 102 may be any one of red, green, and blue illuminating colors, and the first sub-pixel 100, the second sub-pixel 101, and the third The color of the sub-pixels 102 is different.
- the first sub-pixel 100 is a red sub-pixel R
- the second sub-pixel 101 is a green sub-pixel G
- the third sub-pixel 102 is a blue sub-pixel B. That is, in the color arrangement example, each basic pixel unit includes one red sub-pixel, one green sub-pixel, and 1/2 blue sub-pixel.
- the area sizes of the first sub-pixel, the second sub-pixel, and the third sub-pixel may be the same or different depending on the actual situation.
- the area of the third sub-pixel 102 (blue sub-pixel B) located at the center of the virtual octagon cell OC is the largest, and the area of the first sub-pixel 100 (the red sub-pixel R) is second.
- the area of the second sub-pixel (green sub-pixel G) is the smallest.
- FIG. 5 is a schematic structural diagram of an OLED pixel arrangement structure according to a third embodiment.
- the virtual octagon cell OC is a non-equal octagon having two orthogonal symmetry axes, and the first sub-pixel 100,
- the centers of the two sub-pixels 101 respectively coincide with the vertices of the virtual octagonal cells OC
- the center of the third sub-pixels 102 coincides with the center of the virtual octagon cells OC
- the second sub-pixels 101 are alternately placed at the eight vertices of the virtual octagonal cell OC.
- the first sub-pixel, the second sub-pixel, and the third sub-pixel are all rectangular.
- the first sub-pixel 100, the second sub-pixel 101, and the third sub-pixel 102 may be any one of red, green, and blue illuminating colors, and the first sub-pixel 100, the second sub-pixel 101, and the third The color of the sub-pixels 102 is different.
- the first sub-pixel 100 is a red sub-pixel R
- the second sub-pixel 101 is a green sub-pixel G
- the third sub-pixel 102 is a blue sub-pixel B. That is, in the color arrangement example, each basic pixel unit includes one red sub-pixel, one green sub-pixel, and 1/2 blue sub-pixel.
- an embodiment further provides a display device including the above OLED pixel arrangement structure.
- the OLED pixel arrangement structure and the display device of the embodiment are repeatedly arranged according to the structure of the virtual octagon cells by the plurality of first sub-pixels, the second sub-pixels, and the third sub-pixels, and according to the virtual octagon cells
- Half of the basic pixel unit breaks through the limitations of the FMM fabrication process and coating process, effectively improving the PPI value and resolution of the OLED display, and improving the image quality and effect of the OLED display.
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Claims (10)
- 一种OLED像素排列结构,其特征在于,包括多个第一子像素、多个第二子像素及多个第三子像素,其中相邻的四个第一子像素和四个第二子像素间隔排列且环绕在一个第三子像素周围,所述相邻的四个第一子像素的中心和四个第二子像素的中心构成一个虚拟八边形单元格的顶点,所述虚拟八边形单元格具有至少两条正交对称轴,在形成所述虚拟八边形单元格的所述第一子像素、所述第二子像素,以及位于该所述虚拟八边形单元格内的所述第三子像素之中,位于该所述虚拟八边形单元格的其中一条正交对称轴一侧的所述第一子像素、所述第二子像素及部分所述第三子像素形成一基本像素单元;所述第三子像素的中心与所述虚拟八边形单元格的中心重合。
- 根据权利要求1所述的OLED像素排列结构,其特征在于,每一所述虚拟八边形单元格包含的所述第一子像素、所述第二子像素及所述第三子像素的数量比为2:2:1。
- 根据权利要求2所述的OLED像素排列结构,其特征在于,每一所述基本像素单元包含1个所述第一子像素、1个所述第二子像素及1/2个所述第三子像素。
- 根据权利要求1所述的OLED像素排列结构,其特征在于,所述虚拟八边形单元格为正八边形或具有两条正交对称轴的非等边八边形。
- 根据权利要求1所述的OLED像素排列结构,其特征在于,所述第一子像素、所述第二子像素及所述第三子像素的形状为多边形。
- 根据权利要求5所述的OLED像素排列结构,其特征在于,所述第一子像素、所述第二子像素及所述第三子像素均为正方形。
- 根据权利要求1~6任一项所述的OLED像素排列结构,其特征在于,所述第一子像素、所述第二子像素及所述第三子像素是红、绿、蓝发光颜色的任意一种,且所述第一子像素、所述第二子像素及所述第三子像素的发光颜色均不相同。
- 根据权利要求7所述的OLED像素排列结构,其特征在于,所述第一子像素为红色子像素,且所述第一子像素的面积大于第二子像素的面积;所述第二子像素为绿色子像素;所述第三子像素为蓝色子像素,且所述第三子像素的面积大于第一子像素的面积。
- 根据权利要求7所述的OLED像素排列结构,其特征在于,所述第一子像素、所述第二子像素及所述第三子像素中两两之间的最小间距相等。
- 一种显示装置,其特征在于,所述显示装置包括如权利要求1~9任一项所述的OLED像素排列结构。
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US15/538,364 US10062737B2 (en) | 2014-12-22 | 2015-07-29 | OLED pixel arrangement structure and display device |
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US20170352710A1 (en) | 2017-12-07 |
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