WO2023213234A1 - Structure d'agencement de pixels, panneau d'affichage et dispositif électronique - Google Patents

Structure d'agencement de pixels, panneau d'affichage et dispositif électronique Download PDF

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Publication number
WO2023213234A1
WO2023213234A1 PCT/CN2023/091376 CN2023091376W WO2023213234A1 WO 2023213234 A1 WO2023213234 A1 WO 2023213234A1 CN 2023091376 W CN2023091376 W CN 2023091376W WO 2023213234 A1 WO2023213234 A1 WO 2023213234A1
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WIPO (PCT)
Prior art keywords
pixel
sub
pixels
array
group
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PCT/CN2023/091376
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English (en)
Chinese (zh)
Inventor
境川亮
李霄
郑志伟
孟超
Original Assignee
华为技术有限公司
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Priority claimed from CN202210926386.3A external-priority patent/CN117082931A/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023213234A1 publication Critical patent/WO2023213234A1/fr

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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

Definitions

  • This application relates to the field of OLED (Organic Light-Emitting Diode, organic light-emitting diode) display technology, and in particular to a pixel arrangement structure, a display panel and an electronic device.
  • OLED Organic Light-Emitting Diode, organic light-emitting diode
  • OLED displays have the advantages of high contrast, high color gamut, and low power consumption, and are currently a widely used display technology.
  • OLED displays contain multiple sub-pixels that emit red, green, and blue light in different colors. The light emitted by multiple sub-pixels is mixed to form a pixel that displays an image.
  • the organic light-emitting layer is evaporated through a metal mask to form the design pattern of the sub-pixels. Different red, green, and blue sub-pixel design patterns will affect the use area and display effect of the organic light-emitting layer.
  • This application provides a pixel arrangement structure, a display panel and an electronic device.
  • the design of the pixel arrangement structure can disperse and reduce the moiré intensity and optimize the picture display effect.
  • embodiments of the present application provide a pixel arrangement structure, including a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels arranged along a row direction and a column direction.
  • a sub-pixel is arranged in a first array, and a line connecting the center points of two first sub-pixels arranged along the row direction in the first array forms an angle with the row direction.
  • the second sub-pixels and the plurality of third sub-pixels are arranged in a second array, and the arrangement of the second sub-pixels and the third sub-pixels in each row of the second array is consistent with the arrangement of the second sub-pixels and the third sub-pixels in the second array.
  • each row and each column of the second array is correspondingly arranged at the inter-row position and the inter-row position of the first array. Position between columns.
  • the present application can form an angle between the line connecting the center points of two first sub-pixels arranged along the row direction in the first array of the first sub-pixel arrangement and the row direction, so that the first sub-pixel arrangement can form at least two Different unit arrangements, Fourier transform (FFT) expansion corresponds to two or more frequencies.
  • FFT Fourier transform
  • the intensity of the visual interference fringes is dispersed at different frequencies. It can reduce the moiré intensity.
  • the sub-pixels are arranged in different ways to improve the moiré effect of the second and third sub-pixels.
  • the arrangement rules in the row direction and the column direction are different. It can be understood that the arrangement of the second sub-pixel constitutes two different unit arrangements. After Fourier transform (FFT) expansion Corresponding to two or more frequencies, the intensity of visual interference fringes (moiré intensity) is dispersed at different frequencies, which can reduce the moiré intensity; similarly, for the third sub-pixel, in the row direction and column direction The arrangement rules are different. It can be understood that the arrangement of the third sub-pixel constitutes two different unit arrangements. After the Fourier transform (FFT) is expanded, it corresponds to two or more frequencies. The intensity of the visual interference fringes (Moiré pattern) Intensity) is dispersed at different frequencies, which can reduce the moiré intensity. Spend. To sum up, the pixel arrangement structure provided by this application can reduce the moiré intensity of three different sub-pixels and improve the display effect.
  • FFT Fourier transform
  • a line connecting the center points of the first sub-pixels in each column in the first array is consistent with the column direction.
  • This solution defines the arrangement rules of the first array in the column direction of the first sub-pixel arrangement, so that the arrangement rules of the first array in the row direction and the column direction are different. This design can be more conducive to reducing the moiré intensity. Consistent directions can be understood as the same or basically the same direction, allowing for directional deviations affected by manufacturing process tolerances and design tolerances.
  • each row of the second array one second sub-pixel is provided between two adjacent third sub-pixels; in each column of the second array , two or more second sub-pixels are provided between two adjacent third sub-pixels.
  • This solution defines the arrangement of the second sub-pixels and the third sub-pixels in each specific row of the second array and the second sub-pixels and The arrangement of the third sub-pixel, by limiting the second sub-pixel and the second sub-pixel to have different arrangement rules in the row direction and column direction, realizes Fourier transform (FFT) expansion corresponding to two or more frequencies, visual interference
  • FFT Fourier transform
  • the center points of the plurality of second sub-pixels are arranged in at least one first hexagon, and the first hexagon surrounds two of the third sub-pixels.
  • the center points of the plurality of third sub-pixels are arranged in at least one second hexagon, and the second hexagon surrounds two of the second sub-pixels.
  • the center point of the second sub-pixel and the center point of the third sub-pixel in each row of the second array are arranged on a straight line. This solution is conducive to the arrangement of the second sub-pixel and the third sub-pixel in the row direction, which facilitates production and improves the display effect.
  • the center point of the second sub-pixel and the center point of the third sub-pixel in each column of the second array are arranged on a straight line. This solution is conducive to the arrangement of the second sub-pixel and the third sub-pixel in the column direction, which facilitates production and improves the display effect.
  • the center points of the first sub-pixels in each row in the first array are arranged on two straight lines. This solution is conducive to the orderly arrangement of the first sub-pixels in the row direction, which facilitates production and improves the display effect.
  • the center points of the first sub-pixels in the first column in the first array are arranged on a straight line. This solution is conducive to the orderly arrangement of the first sub-pixels in the column direction, which facilitates production and improves the display effect.
  • the first array includes a first group and a second group, each of the first group and the second group is composed of four first sub-pixels, and the first group
  • the center points of the four first sub-pixels form a first parallelogram
  • the center points of the four first sub-pixels of the second group form a second parallelogram
  • the first parallelogram and the The second parallelogram is arranged in mirror symmetry.
  • This solution improves the edge chromatic aberration and jaggedness of the display effect through the mirror symmetry of the first parallelogram and the second parallelogram, and makes the arrangement of the first sub-pixels form at least two different unit arrangements, Fourier transform (FFT) ) corresponds to two or more frequencies after expansion.
  • FFT Fourier transform
  • the intensity of the visual interference fringes is dispersed at different frequencies, which can reduce the moiré intensity and improve the display effect.
  • the first group and the second group that are adjacently arranged share two first sub-pixels.
  • this solution is conducive to achieving a compact arrangement of the first sub-pixels and is conducive to improving the display effect.
  • one second sub-pixel or one third sub-pixel is provided in a spacing area between the adjacent first group and the second group.
  • the second sub-pixel is a red sub-pixel
  • the third sub-pixel is a blue sub-pixel.
  • the second sub-pixel is a blue sub-pixel
  • the third sub-pixel is a red sub-pixel.
  • an intermediate group is provided in the spacing area between the adjacent first group and the second group, and the intermediate group includes one second sub-pixel, one second sub-pixel, and one second sub-pixel.
  • the third sub-pixel and the two first sub-pixels, the center points of the pixels in the middle group form a quadrilateral.
  • This solution defines the positional relationship between the first group and the second group, and sets an intermediate group between the adjacent first group and the second group, so that the arrangement rules of the first sub-pixels in the row direction change, except for the first
  • the first group and the second group also have different arrangement units (i.e., the middle group), so that the moiré intensity is dispersed over more frequencies, which is beneficial to better dispersing the moiré frequency and reducing the moiré intensity (i.e., amplitude).
  • a plurality of the first groups are arranged as first column units, and two adjacent first groups in the first column units share two of the first groups.
  • a plurality of the second groups are arranged into a second column unit, and two adjacent second groups in the second column unit share two first sub-pixels.
  • the first column unit and the second column unit are adjacent, and the first column unit and the second column unit share a column of the first sub-pixels.
  • one column of the second array is disposed in the spacing area between the first column unit and the second column unit; or the first column unit and the second column unit are An intermediate column unit is provided in a spacing area between the column units, and the intermediate column unit includes two columns and one column of the first sub-pixels in the second array.
  • the pixels in the surrounding space of the four first sub-pixels of each first group are intermediate pixels, and the intermediate pixels are the second sub-pixels or the third sub-pixels, the four first sub-pixels of each first group are respectively pixel one, pixel two, pixel three and pixel four, and the side of the pixel one facing the middle pixel is in contact with the middle pixel.
  • the side facing the pixel one is parallel
  • the side of the pixel two facing the middle pixel is parallel to the side of the middle pixel facing the pixel two
  • the side of the pixel three facing the middle pixel is parallel to
  • the side of the middle pixel facing the pixel three is parallel
  • the side of the pixel four facing the middle pixel is parallel to the side of the middle pixel facing the pixel four.
  • the pixel one, the pixel two, the pixel three and the pixel four are all rhombus-shaped, and the middle pixel is a parallelogram or rhombus.
  • This application adjusts the arrangement structure of sub-pixels by adjusting the specific shape of each sub-pixel to improve the display effect.
  • the pixels in the surrounding space of the four first sub-pixels of each first group are intermediate pixels, and the intermediate pixels are the second sub-pixels or the third sub-pixels, the four first sub-pixels of each first group are respectively pixel one, pixel two, pixel three and pixel four, and the most between the middle pixel and the pixel one
  • the small spacing, the minimum spacing between the middle pixel and pixel two, the minimum spacing between the middle pixel and pixel three, and the minimum spacing between the middle pixel and pixel four are all equal.
  • This solution helps improve the overall display effect of the pixel arrangement structure by defining the spacing relationship between the sub-pixels in the first group.
  • This application adjusts the arrangement structure of sub-pixels by adjusting the spacing distance between each sub-pixel to improve the display effect.
  • the intersection point of the diagonal lines of the first parallelogram is the center point of the second sub-pixel or the center point of the third sub-pixel
  • the diagonal points of the second parallelogram are The intersection point of the lines is the center point of the second sub-pixel or the center point of the third sub-pixel.
  • the range of one of the internal angles of the first parallelogram is: greater than or equal to 82 degrees and less than or equal to 88 degrees. This solution helps ensure the display effect of the display panel by constraining the range of the internal angles of the parallelogram.
  • the range of the angle formed between the line connecting the center points of the two first sub-pixels arranged along the row direction in the first array and the row direction is: Greater than or equal to 2 degrees and less than or equal to 8 degrees.
  • the first sub-pixel is a green sub-pixel
  • the second sub-pixel and the third sub-pixel are respectively a red sub-pixel and a blue sub-pixel.
  • the sum of the light-emitting areas of all the third sub-pixels is less than the sum of the light-emitting areas of all the first sub-pixels, and the sum of the light-emitting areas of all the third sub-pixels is greater than The sum of the light-emitting areas of all the second sub-pixels, the light-emitting area of a single third sub-pixel is greater than the light-emitting area of a single first sub-pixel, and the light-emitting area of a single third sub-pixel is greater than that of a single third sub-pixel.
  • the shape of the first sub-pixel is a parallelogram, or a parallelogram with four arc-shaped corners, a square, or a hexagon, or octagon; or
  • the shape of the second sub-pixel is a parallelogram, or a parallelogram with four arc-shaped corners, a square, a hexagon, or an octagon; or
  • the shape of the third sub-pixel is a parallelogram, a parallelogram with four arc-shaped corners, a square, a hexagon, or an octagon.
  • the present application provides a display panel, including a back plate, a front plate and a cover plate that are stacked in sequence.
  • the front plate is equipped with a luminescent layer, and the luminescent layer includes any one of the aforementioned possible implementation methods.
  • a driving circuit is provided on the backplane, and the driving circuit is used to drive the light-emitting layer to emit light.
  • the present application provides an electronic device, including a controller and the display panel described in the second aspect, and the controller is electrically connected to the driving circuit.
  • Figure 1 is a schematic three-dimensional assembly diagram of an electronic device provided by an embodiment of the present application.
  • Figure 2 is a three-dimensional exploded schematic view of the electronic device shown in Figure 1;
  • Figure 3 is a schematic plan view of a display panel provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of the layer structure of the display panel shown in Figure 3 along the cross-section indicated by P-P;
  • Figure 5 is a schematic diagram of the layer structure of the display panel shown in Figure 3 along the cross-section indicated by PP;
  • Figure 6 is a schematic diagram of the layer structure of the front panel of a display panel provided by an embodiment of the present application.
  • Figure 7 is a schematic diagram of the layer structure of the front panel of a display panel provided by an embodiment of the present application.
  • Figure 8 is a schematic diagram of the pixel arrangement structure of a display panel provided by an embodiment of the present application.
  • Figure 9 is a schematic diagram of the repeating units of the pixel arrangement structure of the display panel provided by an embodiment of the present application.
  • Figure 9A is a schematic diagram of a first array of repeating units shown in Figure 9;
  • Figure 9B is a schematic diagram of a second array of repeating units shown in Figure 9;
  • Figure 10 is a schematic diagram of the repeating units of the pixel arrangement structure of the display panel provided by an embodiment of the present application.
  • Figure 11 is a schematic diagram of the repeating units of the pixel arrangement structure of the display panel provided by an embodiment of the present application.
  • Figure 11A is a schematic diagram of a first array of repeating units shown in Figure 11;
  • Figure 11B is a schematic diagram of a second array of repeating units shown in Figure 11;
  • Figure 12 is a schematic diagram of the repeating units of the pixel arrangement structure of the display panel provided by an embodiment of the present application.
  • Figure 13 is a schematic diagram of the repeating units of the pixel arrangement structure of the display panel provided by an embodiment of the present application.
  • Figure 14 is a schematic diagram of the pixel arrangement structure of a display panel provided by an embodiment of the present application.
  • Figure 14A is a schematic diagram of the arrangement structure of the first sub-pixel in the pixel arrangement structure shown in Figure 14;
  • Figure 14B is a schematic diagram of the arrangement structure of the second sub-pixel and the third sub-pixel in the pixel arrangement structure shown in Figure 14;
  • Figure 15 is a schematic diagram of the pixel arrangement structure of a display panel provided by an embodiment of the present application.
  • Figure 15A is a schematic diagram of the arrangement structure of the first sub-pixel in the pixel arrangement structure shown in Figure 15;
  • Figure 15B is a schematic diagram of the arrangement structure of the second sub-pixel and the third sub-pixel in the pixel arrangement structure shown in Figure 15;
  • Figure 16 is a schematic diagram of the repeating units of the pixel arrangement structure of the display panel provided by an embodiment of the present application.
  • Figure 17 is a schematic diagram of the arrangement relationship between the first group and the middle pixels surrounded by the first group in the pixel arrangement structure of the display panel provided by an embodiment of the present application;
  • Figure 18 is a schematic diagram of the moiré frequency and amplitude of three sub-pixels of a pixel arrangement structure provided by an embodiment
  • Figure 19 is an effect diagram of moiré pattern produced by the pixel arrangement structure provided in the embodiment shown in Figure 14;
  • FIG. 20 is an effect diagram of moiré patterns produced by the pixel arrangement structure provided in the embodiment shown in FIG. 15 .
  • Parallel as defined in this application is not limited to absolute parallel. This definition of parallel can be understood as basic parallel, which allows for situations that are not absolutely parallel due to factors such as assembly tolerances, design tolerances, and structural flatness. These The situation may lead to the situation that the sliding fitting part and the first door panel are not absolutely parallel, but this application also defines this situation as being parallel.
  • the vertical defined in this application is not limited to the relationship of absolute vertical intersection (the included angle is 90 degrees). It is allowed that the influence of assembly tolerance, design tolerance, structural flatness and other factors are not absolute vertical intersection. The relationship allows errors in a small angular range, for example, within the assembly error range of 80 degrees to 100 degrees, it can be understood as a vertical relationship.
  • Specific embodiments of the present application relate to a pixel arrangement structure applied to a display panel of an electronic device.
  • a pixel arrangement structure applied to a display panel of an electronic device.
  • Electronic device 300 may include a housing 310, a controller 320, and a display screen 200.
  • the housing 310 serves as a structural carrying component of the electronic device 300 and is used to install the display screen 200 and accommodate or install other components such as the motherboard and battery.
  • the display screen 200 can be used to display text, images, videos, etc.
  • the specific type of the display screen 200 may be an organic light-emitting diode (OLED) display screen.
  • the electronic device 300 may be, but is not limited to, a smart consumer electronic device such as a mobile phone, a tablet, a laptop, etc., or an augmented reality (AR), virtual reality (VR), smart watch, smart bracelet, etc.
  • AR augmented reality
  • VR virtual reality
  • the display screen 200 is not only applicable to the electronic device 300 as mentioned above, but also applicable to any device that needs to display text, images, videos, etc., and the embodiments of the present application are not strictly limited to this.
  • the display screen 200 may include a cover 210 and a display panel 100 .
  • the cover 210 is located on the display side of the display panel 100 .
  • the cover 210 may be made of glass and may be used to protect the display panel 100 .
  • the cover 210 and the housing 310 jointly surround a receiving space, and the display panel 100 is located in this receiving space.
  • the controller 320 in the electronic device 300 can be provided on the motherboard of the electronic device 300 .
  • the controller 320 is electrically connected to the display panel 100 . Specifically, the controller 320 is used to drive the display panel 100 to emit light.
  • the controller 320 can also be used to emit light. Power is provided to the display panel 100 .
  • Figure 2 schematically represents the controller 320 with a similar rectangular frame, which does not represent the specific structural form of the controller 320.
  • Figure 2 only schematically expresses the position of the controller 320 within the housing 310.
  • This application does not limit the control Regarding the specific location of the controller 320, it can be understood that the controller 320 can be located on the motherboard, and the motherboard can be located on the top area, side area, or bottom area of the housing 310.
  • the mainboard can be placed side by side with the battery inside the housing 310.
  • FIG. 3 is a schematic plan view of a display panel provided by an embodiment of the present application.
  • FIGS. 4 and 5 are schematic layer structure diagrams of the cross-section along the P-P indicated position in FIG. 3 of the display panel provided by a specific embodiment.
  • the display panel 100 includes a display area AA and a frame area BM.
  • the display panel 100 is provided with a driving circuit 111 .
  • the display panel 100 is connected to the flexible circuit board 400 , which together form a display panel module.
  • the flexible circuit board 400 is used to electrically connect with the controller on the motherboard of the electronic device.
  • the flexible circuit board 400 is provided with a power circuit 401 and a connector 402.
  • the connector 402 is used to electrically connect with the motherboard, so that the controller can drive the power circuit 401 and the drive circuit 111.
  • the driving circuit 111 is directly disposed on the backplane of the display panel 100 .
  • the driving circuit 111 can also be disposed on the flexible circuit board 400 .
  • FIG. 4 is an exploded schematic diagram of a cross-sectional layer structure of a display panel 100 provided in an embodiment.
  • the display panel 100 includes a back panel 103 , a front panel 102 and a cover 101 that are stacked in sequence.
  • the sequential stacking described here only represents the stacking sequence between the back panel 103 , the front panel 102 and the cover 101 , and does not represent the back panel. 103.
  • an optical layer structure can be set between the cover plate 101 and the front plate 102, and between the front plate 102 and the back plate 103 or the back plate 103 is away from the front plate 102.
  • Other layer structures can be set on either side.
  • the pixel arrangement structure provided by this application is arranged on the light-emitting layer of the front plate 102.
  • FIG. 5 illustrates the layer structure of the display panel 100 provided in a specific embodiment.
  • the display panel 100 includes a cover plate 101, a circular polarizer 104, a front plate 102, a back plate 103 and a support member 105 stacked in sequence.
  • the embodiment shown in Figure 5 adds a circular polarizer 104 and a support 105.
  • the circular polarizer 104 is used to process the light emitted by the luminescent layer of the front plate, and the support 105 It has high strength and is used to improve the strength of the display panel 100 and to assemble the display panel 100 inside the electronic device.
  • the backplane 103 includes a base material layer and a circuit board.
  • the base material layer is used to make the circuit board.
  • the circuit board is used to set the driving circuit.
  • the driving circuit is used to drive the front plate 102. luminous layer. The specific layer structure of the front panel 102 is described in FIGS. 6 and 7 .
  • FIG. 6 shows a schematic diagram of the layer structure of the front plate 102 provided in an embodiment.
  • the front plate 102 includes an anode layer 1021, a hole injection/transport layer 1022, a light-emitting layer 1023, an electron injection/transport layer 1024 and a cathode layer 1025 that are stacked in sequence.
  • the driving circuit of the display panel 100 applies a voltage, such as 2-10V direct current, between the anode layer 1021 and the cathode layer 1025.
  • the anode layer 1021 is transparent, and the anode layer 1021 is used to eliminate electrons and increase electron holes when current flows.
  • the hole injection/transport layer 1022 is composed of organic material molecules, and these molecules are used to transport holes from the anode layer 1021.
  • the light-emitting layer 1023 is composed of organic material molecules.
  • the light-emitting layer 1023 has a pixel arrangement structure, and the pixels of the light-emitting layer 1023 are used to emit light.
  • the electron injection/transport layer 1024 is composed of organic material molecules, and these molecules are used to transport electrons from the cathode layer 1025.
  • the cathode layer 1025 can be transparent or opaque. When there is current, the cathode layer 1025 injects electrons into the circuit.
  • excitons For the front plate 102, driven by an external voltage, electrons and holes injected from the electrodes (cathode layer 1025 and anode layer 1021) recombine in the light-emitting layer to form electron-hole pairs (i.e., excitons) at a bound energy level. ), exciton radiation emits photons, producing visible light.
  • electron-hole pairs i.e., excitons
  • FIG. 7 shows a schematic diagram of the layer structure of the front plate 102 provided in an embodiment.
  • the front plate 102 is added with a pixel barrier layer 1026 and an encapsulation layer 1027.
  • the pixel barrier layer 1026 is stacked on the anode layer 1021 and the hole injection/ Between the transport layers 1022, the encapsulation layer 1027 is located on the side of the cathode layer 1025 facing away from the electron injection/transport layer 1024.
  • the front plate 102 includes an anode layer 1021, a pixel blocking layer 1026, a hole injection/transport layer 1022, a light emitting layer 1023, an electron injection/transport layer 1024, a cathode layer 1025 and a package that are stacked in sequence.
  • the pixel barrier layer 1026 is used to protect the light-emitting layer 1023 and block moisture during the manufacturing process, and the encapsulation layer 1027 is used to protect the front plate 102 .
  • a pixel arrangement structure is provided in the light-emitting layer 1023 of the front plate 102.
  • this application has the advantage of realizing dispersion and reducing the moiré intensity and optimizing the picture display.
  • the specific design scheme of the pixel arrangement structure is described as follows.
  • Figure 9 shows the structure of a repeating unit 10 in the pixel arrangement structure shown in Figure 8.
  • Figures 9A and 9B respectively show the structure of a repeating unit 10 in the repeating unit 10 shown in Figure 9.
  • Architecture of the first array 11 and the second array 12 Embodiments of the present application provide a pixel arrangement structure, including a plurality of first sub-pixels G, a plurality of second sub-pixels R and a plurality of third sub-pixels B arranged along the row direction and the column direction.
  • the plurality of first sub-pixels are arranged in a first array 11, and a line connecting the center points of the two first sub-pixels R arranged along the row direction in the first array 11 forms an angle ⁇ with the row direction.
  • the plurality of second sub-pixels R and the plurality of third sub-pixels B are arranged in the second array 12, and the second sub-pixel R and the third sub-pixel in each row in the second array 12
  • the arrangement of the three sub-pixels B is different from the arrangement of the second sub-pixel R and the third sub-pixel B in each column of the second array 12.
  • Each row of the second array 12 and each Columns are correspondingly arranged at inter-row positions and inter-column positions of the first array 11 .
  • the inter-row position can be understood as the position between two adjacent rows or the position outside the first row (last row).
  • the inter-column position can also be understood as the position between two adjacent columns or the position outside the first row (the last row). The position outside the first (last) column.
  • the angle ⁇ is formed between the line connecting the center points of the two first sub-pixels G arranged along the row direction in the first array 11 of the first sub-pixel G, so that the first The arrangement of sub-pixels G forms at least two different unit arrangements.
  • FFT Fourier transform
  • the intensity of the visual interference fringes are dispersed at different frequencies, which can reduce the moiré intensity.
  • the moiré effect of the second sub-pixel R and the third sub-pixel B is improved.
  • the arrangement rules in the row direction and the column direction are different.
  • the arrangement of the second sub-pixel R constitutes two different unit arrangements, Fourier transform (FFT) After expansion, corresponding to two or more frequencies, the intensity of the visual interference fringes (moiré intensity) is dispersed at different frequencies, which can reduce the moiré intensity; similarly, for the third sub-pixel B, in the row direction Different from the arrangement rules in the column direction, it can be understood that the arrangement of the third sub-pixel B constitutes two different single Element arrangement, Fourier transform (FFT) expansion corresponds to two or more frequencies. The intensity of visual interference fringes (moiré intensity) is dispersed at different frequencies, which can reduce the moiré intensity. To sum up, the pixel arrangement structure provided by this application can reduce the moiré intensity of three different sub-pixels RGB and improve the display effect.
  • FFT Fourier transform
  • the pixel arrangement structure includes a plurality of repeating units 10 , and the plurality of repeating units 10 are arranged in an array along the row direction and/or the column direction.
  • the pixel arrangement structure shown in FIG. 8 shows that each row has four repeating units 10 arranged along the row direction, and each column has two repeating units 10 arranged along the column direction.
  • the pixel arrangement structure shown in Figure 8 only shows two rows and four columns of repeating units 10.
  • the pixel arrangement structure is applied to a specific display panel.
  • the pixel arrangement structure shown in Figure 8 can be a pixel arrangement scheme for some areas of the display panel, but it does not mean that all areas of the display panel have such an arrangement scheme.
  • Each repeating unit 10 includes a plurality of first sub-pixels G, a plurality of second sub-pixels R and a plurality of third sub-pixels B.
  • the first sub-pixels G, the second sub-pixels R and the third sub-pixels B are of different colors.
  • the specific structural forms and individual areas of the first sub-pixel G, the second sub-pixel R and the third sub-pixel B may also be different.
  • the first sub-pixel G is a green sub-pixel
  • the second sub-pixel R is a red sub-pixel
  • the third sub-pixel B is a blue sub-pixel.
  • the pixel arrangement structure may not have the repeating unit 10, as long as the line connecting the center points of the two first sub-pixels G arranged along the row direction in the first array 11 of the first sub-pixel G is satisfied and the row direction
  • the design of forming an angle ⁇ between them, the arrangement of the second sub-pixel R and the third sub-pixel B in each row of the second array 12 and the arrangement of the second sub-pixel R and the third sub-pixel B in each column of the second array 12 If the second sub-pixel R and the third sub-pixel B are arranged in different ways, the moiré intensity can be reduced and the display effect can be improved.
  • the repeating unit 10 provided in the specific embodiments of the present application can have different design solutions.
  • the specific description is as follows.
  • FIG. 9A is a schematic diagram of the first array 11 in the repeating unit 10 shown in FIG. 9
  • FIG. 9B is a schematic diagram of the second array 12 in the repeating unit 10 shown in FIG. 9
  • a plurality of the first sub-pixels G are arranged into a first array 11.
  • the first array 11 has a four-row and two-column structure. The center points of the two first sub-pixels G in each row of the first array 11 and the center points of the two first sub-pixels G in the adjacent rows form a parallelogram 111.
  • the first array 11 The line 1111 connecting the center points of the two first sub-pixels G in each row is designed to form an included angle with the row direction, and the two form a first included angle ⁇ .
  • the connecting line 112 of the center points of the four first sub-pixels G in each column of the first array 11 is consistent with the column direction.
  • the plurality of second sub-pixels R and the plurality of third sub-pixels B are arranged in a second array 12. As shown in FIG. 9B, the second array 12 has a structure of four rows and two columns. The arrangement of the second sub-pixel R and the third sub-pixel B in each row of the second array 12 and the arrangement of the second sub-pixel R and the third sub-pixel B in each column of the second array 12 Sub-pixel B is arranged differently.
  • each row in the second array 12 includes one second sub-pixel R and one third sub-pixel B that are adjacently arranged along the row direction; each column in the second array 12 includes one along the row direction. Two adjacent second sub-pixels R and two adjacent third sub-pixels B are arranged in the column direction.
  • the extension direction of the center point connection line 121 of the second sub-pixel R and the third sub-pixel B in each row of the second array 12 is consistent with the row direction
  • the extension direction of each column in the second array 12 is consistent with the row direction.
  • the extension direction of the center point connecting line 122 of the second sub-pixel R and the third sub-pixel B is consistent with the column direction. As shown in FIG.
  • one row of the second array 12 is located on the periphery of the first array 11 , and the other three rows of the second array 12 are distributed between the two adjacent rows of the first array 11 .
  • one column of the second array 12 is located at the periphery of the first array 11 , and the other column of the second array 12 is distributed between the two columns of the first array 11 .
  • Figure 10 is a schematic diagram of a repeating unit 10 provided in an embodiment.
  • the difference between the embodiment shown in Figure 10 and the embodiment shown in Figure 9 lies in the arrangement of the second array 12.
  • the second array Each of the array 12
  • the rows include row sub-units 123, and the row sub-units 123 include one second sub-pixel R and one third sub-pixel B arranged adjacently along the row direction; one column in the second array 12 (as shown in FIG.
  • the right column in the second array 12 shown in 10) includes two adjacent second sub-pixels R arranged along the column direction (that is, the two middle sub-pixels are the second sub-pixels R) and
  • the two third sub-pixels B are located at the beginning and end of the column respectively.
  • the first array 11 of the repeating units 10 shown in Figure 10 is the same as the first array 11 shown in Figure 9, and the positional relationship between the first array 11 and the second array 12 is also the same as the embodiment shown in Figure 9. No longer.
  • FIG. 11A is a schematic diagram of the first array 11 in the repeating unit 10 shown in FIG. 11
  • FIG. 11B is a schematic diagram of the second array 12 in the repeating unit 10 shown in FIG. 11
  • a plurality of the first sub-pixels G are arranged into a first array 11.
  • the first array 11 has a four-row and four-column structure.
  • Two rows of the first sub-pixels G constitute a first row unit 113.
  • the first row unit 113 includes a first group 114 and a second group 115.
  • Both the first group 114 and the second group 115 are composed of four
  • the center points of the four first sub-pixels G in the first group 114 form a first parallelogram 116
  • the four first sub-pixels G in the second group 115 form a first parallelogram 116
  • the center point of the pixel G forms a second parallelogram 117
  • the first parallelogram 116 and the second parallelogram 117 are arranged in mirror symmetry.
  • the number of the first group 114 of the first row unit 113 in the first array 11 shown in FIG. 11A is two
  • the number of the second group 115 is two.
  • the first group 114 and the second group 115 are adjacent, and the number of the first group 114 is two, and the number of the second group 115 is two.
  • One group 114 and the second group 115 share two first sub-pixels G.
  • the angle between the extension direction of the line 1111 connecting the center points of the two first sub-pixels G of the first group 114 and the row direction is the first included angle ⁇
  • the first included angle ⁇ and the second included angle - ⁇ are equal in size.
  • the extension direction of the line 112 connecting the center points of the four first sub-pixels G in the first column of the first array 11 is consistent with the column direction.
  • the plurality of second sub-pixels R and the plurality of third sub-pixels B are arranged in a second array 12.
  • the second array 12 has a structure of four rows and four columns.
  • Sub-pixel B is arranged differently.
  • each row in the second array 12 includes two row sub-units 123
  • each row sub-unit 123 includes one second sub-pixel R and one third sub-pixel R that are adjacently arranged along the row direction.
  • Sub-pixel B The second array 12 provided by the embodiment shown in FIG.
  • one column in the second array 12 includes two adjacent second sub-pixels R and two third sub-pixels B arranged along the column direction.
  • the third sub-pixels B are respectively located at the beginning and end of the column.
  • one row of the second array 12 is located at the periphery of the first array 11 , and the other three rows of the second array 12 are distributed adjacent to the first array 11 .
  • one column of the second array 12 is located on the periphery of the first array 11 , and other columns of the second array 12 are distributed between two adjacent columns of the first array 11 .
  • each column in the second array 12 may be the same as the arrangement scheme of the second array shown in FIG. 9B .
  • each column in the second array 12 includes an array along the column direction. Two adjacent second sub-pixels R and two adjacent third sub-pixels B are arranged.
  • the specific arrangement of the first array 11 of the repeating units 10 in the embodiment shown in FIG. 12 and the positional relationship between the first array 11 and the second array 12 are the same as those in the embodiment shown in FIG. 11 .
  • the first parallelogram 116 and the second parallelogram 117 are arranged in mirror symmetry. Specifically, the first parallelogram 116 and the second parallelogram 117 are distributed in mirror image. Or symmetrically on both sides of the symmetry axis 118, the first parallelogram 116 and the second parallelogram 117 share the center points of the two first sub-pixels G, and the center points of the two shared first sub-pixels G are located in this symmetry on axis 118.
  • the repeating unit 10 includes a first array 11 of four rows and four columns architecture and a four-row, four-column structure.
  • the positional relationship between the first array 11 and the second array 12 of the repeating units 10 shown in FIG. 13 is the same as the embodiment shown in FIG. 11 .
  • the arrangement scheme of the first array 11 of repeating units 10 shown in FIG. 13 is different from the first array 11 shown in FIG. 11A.
  • a first row unit 113 of the first array 11 has a first group 114 and a second group 115 .
  • the first group 114 and the second group 115 do not share any first group.
  • the sub-pixels G can be understood as being arranged at intervals between the first group 114 and the second group 115.
  • the repeating unit 10 forms three first row units 113, wherein the two first row units 113 have one second sub-pixel R between the first group 114 and the second group 115, and another second sub-pixel R between the first group 114 and the second group 115.
  • the center point of the four first sub-pixels G of the first group 114 forms the first parallelogram 116
  • the center point of the four first sub-pixels G of the second group 115 The points form a second parallelogram 117.
  • the first parallelogram 116 and the second parallelogram 117 are arranged in mirror symmetry, and the first parallelogram 116 and the second parallelogram 117 have no shared sides.
  • first parallelogram 116 and the second parallelogram 117 are mirror-distributed or symmetrically distributed on both sides of the symmetry axis 118, and the second sub-pixel R or the third sub-pixel between the first group 114 and the second group 115
  • the center point of B is located on this axis of symmetry 118 .
  • FIGS 9 to 13 schematically illustrate several different arrangements of repeating units 10, and the present application is not limited to these arrangements of repeating units 10.
  • Figures 14 and 15 are schematic diagrams of two pixel arrangement structures.
  • Figure 14A is the arrangement structure of the first sub-pixel in the pixel arrangement structure shown in Figure 14.
  • Figure 14B is the second sub-pixel arrangement structure in the pixel arrangement structure shown in Figure 14.
  • Figure 15A shows the arrangement structure of the first sub-pixels in the pixel arrangement structure shown in Figure 15.
  • Figure 15B shows the arrangement structure of the second sub-pixels and the third sub-pixels in the pixel arrangement structure shown in Figure 15.
  • a plurality of first sub-pixels G are arranged in an M row and N column arrangement structure 21 .
  • the plurality of first sub-pixels G are arranged in an arrangement structure of 9 rows and 9 columns.
  • the plurality of first sub-pixels G are arranged in an arrangement structure of 9 rows and 8 columns. Referring to Figures 14A and 15A, two adjacent rows of the first sub-pixels G constitute the first row unit 113.
  • the M rows and N columns arrangement structure 21 of the pixel arrangement structure is a first array, and the first array It is composed of a plurality of first row units 113 arranged sequentially along the column direction, and two adjacent first row units 113 share one row of first sub-pixels G.
  • any three rows of first sub-pixels G constitute two first row units 113 .
  • the first row unit 113 includes a first group 114 and a second group 115.
  • the first group 114 and the second group 115 are each composed of four first sub-pixels G.
  • the first group 114 The center points of the four first sub-pixels G form a first parallelogram 116, and the center points of the four first sub-pixels G of the second group 115 form a second parallelogram 117.
  • the parallelogram 116 and the second parallelogram 117 are arranged in mirror symmetry.
  • the first group 114 and the second group 115 share two first sub-pixels G, that is, the first parallelogram 116 and the second parallelogram 117 share the same line. Edge (can also be understood as the center point sharing the two first sub-pixels G).
  • the first group 114 and the second group 115 form a minimum unit in a first row unit 113, and each first row unit 113 is composed of four minimum units arranged sequentially along the row direction.
  • the number of the first group 114 and the second group 115 in a first row unit 113 may also be different. For example, the number of the first group 114 is four, and the number of the second group 115 is three.
  • the second group 115 is distributed between adjacent first groups 114 .
  • the extending direction of the common side 1161 between the first parallelogram 116 and the second parallelogram 117 is the column direction.
  • the first parallelogram 116 and the second parallelogram 117 are mirror-image-distributed on both sides of the common side 1161 with the common side 1161 as the axis of symmetry.
  • a plurality of the first groups 114 are arranged into first column units 213, and two adjacent first groups 114 in the first column units 213 Sharing two places
  • a plurality of the second groups 115 are arranged into a second column unit 214, and two adjacent second groups 115 in the second column unit 214 share two first Sub-pixel G.
  • the first column unit 213 and the second column unit 214 are adjacent to each other.
  • the first column unit 213 and the second column unit 214 share one column of the first sub-pixels G, which can be understood as three columns.
  • the first sub-pixel G forms a pair of adjacent first column units 213 and second column units 214, becoming the minimum column unit of the M rows and N columns arrangement structure 21 that is repeatedly arranged along the row direction.
  • a plurality of second sub-pixels R and a plurality of third sub-pixels B are arranged in an X-row and Y-column arrangement structure 22 (the X-row and Y-column arrangement structure 22 is second array).
  • M and N may be equal or unequal.
  • X and Y can be equal or not.
  • a plurality of second sub-pixels R and a plurality of third sub-pixels B are arranged in an 8-row and 8-column structure.
  • the plurality of second sub-pixels R and the plurality of third sub-pixels B are arranged in a 9-row and 8-column arrangement structure.
  • each row in the X-row and Y-column arrangement structure 22 is arranged between two adjacent rows of the M-row and N-column arrangement structure 21.
  • Each column of is arranged between two adjacent columns of the M rows and N columns arrangement structure 21, and the second sub-pixel R and the third sub-pixel R in each row of the X rows and Y columns arrangement structure 22
  • the arrangement of the sub-pixels B is different from the arrangement of the second sub-pixels R and the third sub-pixels B in each column of the X-row and Y-column arrangement structure 22 .
  • each row in the X row Y column arrangement structure 22 includes a plurality of row sub-units 123, and the plurality of row sub-units 123 are repeatedly arranged along the row direction,
  • Each of the row sub-units 123 includes one second sub-pixel R and one third sub-pixel B that are adjacently arranged along the row direction.
  • the number of sub-pixels in each row sub-unit 123 is two, that is, one row sub-unit 123 is composed of a second sub-pixel R and a third sub-pixel B.
  • each column in the X row Y column arrangement structure 22 includes a plurality of column sub-units 223.
  • the column sub-units 223 are repeatedly arranged along the column direction.
  • the number of sub-pixels in each column sub-unit 223 is Different from the number of sub-pixels in the row sub-units 123, for example, the number of sub-pixels in each column sub-unit 223 is four.
  • the number of sub-pixels in the column sub-unit 223 and the row sub-unit 123 are different, and the specific arrangement rules are different, thus forming: the second sub-pixel R in each row in the X row Y column arrangement structure 22 and the The arrangement of the third sub-pixel B is different from the arrangement of the second sub-pixel R and the third sub-pixel B in each column of the X-row and Y-column arrangement structure 22 .
  • the specific arrangement schemes of the second sub-pixels R and the third sub-pixels B in the column sub-units 223 in two adjacent columns are different.
  • one of the The column sub-unit 223 of the column includes a second sub-pixel R, a third sub-pixel B, a third sub-pixel B and a second sub-pixel R arranged in sequence along the column direction; the column sub-unit 223 of another column includes a third sub-pixel R arranged in sequence along the column direction.
  • Sub-pixel B, second sub-pixel R, second sub-pixel R and third sub-pixel B In the embodiment shown in FIG. 15B , the number of sub-pixels in each column sub-unit 223 is also four, and each column sub-unit 223 includes two adjacent second sub-pixels R and R arranged along the column direction. Two adjacent third sub-pixels B.
  • the column sub-unit 223 of one column includes second sub-pixels arranged sequentially along the column direction.
  • the column sub-unit 223 of another column includes the third sub-pixel B, the third sub-pixel B and the second sub-pixel arranged sequentially along the column direction. R and the second sub-pixel R.
  • each column sub-unit 223 includes two adjacent second sub-pixels R and two adjacent third sub-pixels arranged along the column direction.
  • the center points of the plurality of second sub-pixels R are arranged is at least one first hexagon 226, the first hexagon 226 surrounds two of the third sub-pixels B, and the center points of the plurality of third sub-pixels B are arranged as at least one second hexagon. 227.
  • the second hexagon 227 surrounds the two second sub-pixels R.
  • two adjacent first hexagons 226 share the center points of two second sub-pixels R
  • two adjacent second hexagons 226 share the center points of the two second sub-pixels R.
  • the hexagon 227 shares the center points of two third sub-pixels B.
  • two adjacent first hexagons 226 are spaced apart, and two adjacent second hexagons 227 are spaced apart. It can be understood that: in the column direction, the center point of the third sub-pixel B is not shared between two adjacent first hexagons 226, and there is a point between the vertices of the two adjacent first hexagons 226. gap. The two adjacent second hexagons 227 do not share the center point of the second sub-pixel R, and there is a gap between the vertices of the two adjacent second hexagons 227 .
  • the center points of the first sub-pixels G in each row of the M rows and N columns arrangement structure 21 are arranged on two straight lines.
  • the straight lines are the first line L1 and the second line L2 respectively.
  • the center points of the first sub-pixels G in each column of the M rows and N columns arrangement structure 21 are arranged on a straight line, and this straight line is the third line L3.
  • the first line L1 and the second line L2 may be parallel to each other, and the first line L1 may be perpendicular to the third line L3.
  • FIG. 14A the center points of the first sub-pixels G in each row of the M rows and N columns arrangement structure 21 are arranged on two straight lines.
  • the straight lines are the first line L1 and the second line L2 respectively.
  • the center points of the first sub-pixels G in each column of the M rows and N columns arrangement structure 21 are arranged on a straight line, and this straight line is the third line L3.
  • the first line L1 and the second line L2 may be parallel to each
  • the center point of the second sub-pixel R and the center point of the third sub-pixel B in each row of the X row Y column arrangement structure 22 are arranged on a straight line.
  • this straight line is the fourth line L4.
  • the center point of the second sub-pixel R and the center point of the third sub-pixel B in each column of the X row Y column arrangement structure 22 are arranged on a straight line, and this straight line is the Five lines L5.
  • the center points of the first sub-pixels G in each row of the M rows and N columns arrangement structure 21 are arranged on two straight lines.
  • the center points of the first sub-pixels G in the first column of the M rows and N columns arrangement structure are arranged on a straight line, and the two straight lines are the first line L1 and the second line L2 respectively.
  • the center points of the first sub-pixels G in each column of the M rows and N columns arrangement structure 21 are arranged on a straight line, and this straight line is the third line L3.
  • this straight line is the third line L3.
  • the center point of the second sub-pixel R and the center point of the third sub-pixel B in each row of the X row Y column arrangement structure 22 are not collinear.
  • the center point of the third sub-pixel B is collinear, the center point of the third sub-pixel B falls on the first straight line L6, and the center point of the second sub-pixel R is not Falling on the first straight line, the center point of part of the second sub-pixel R is located on one side of the first straight line, and the center point of part of the second sub-pixel R is located on the other side of the first straight line.
  • the center points of are staggered on both sides of the first straight line.
  • the center point of the second sub-pixel R and the center point of the third sub-pixel B in each column of the X row Y column arrangement structure 22 are arranged on a straight line, and this straight line is the Five lines L5.
  • the first straight line L6 may be perpendicular to the fifth line L5.
  • a third group is provided in the spacing area between the first group 114 and the second group 115 .
  • Two sub-pixels R or one third sub-pixel B is provided, that is, the first sub-pixel G is not shared between the first group 114 and the second group 115.
  • the two first sub-pixels G in the first group 114 The center point and the center points of the two first sub-pixels G in the second group 115 may constitute the four end points of the square.
  • FIG. 16 schematically expresses the architecture of a repeating unit 10 of a pixel arrangement structure provided by another embodiment.
  • an intermediate group 1197 is provided in the spacing area between the first group 114 and the second group 115.
  • the intermediate group 1197 includes one of the second sub-pixels R, One third sub-pixel B and two first sub-pixels G, and the center points of the pixels in the middle group 1197 form a quadrilateral.
  • the line connecting the center points of the two first sub-pixels G of the middle group 1197 is the center line 1171 extending along the column direction.
  • the first group 114 and the second group 115 are mirror-image distributed around the center line 1171, which can also be understood as The first group 114 and the second group 115 are symmetrically distributed on both sides of the center line 1171 .
  • the center point of the two first sub-pixels G of the first group 114 and the two first sub-pixels G of the middle group 1197 The center points of the two first sub-pixels G of the second group 115 and the center points of the two first sub-pixels G of the middle group 1197 together form the four vertices of a square. .
  • first sub-pixels G of the first group 114 surround one second sub-pixel R or third sub-pixel B.
  • the pair of the first parallelogram 116 The intersection point of the diagonal lines is the center point of the second sub-pixel R or the center point of the third sub-pixel B.
  • the intersection point of the diagonal lines of the second parallelogram 117 is the center point of the second sub-pixel R. point or the center point of the third sub-pixel B.
  • the range of one of the internal angles of the first parallelogram 116 is: greater than or equal to 82 degrees and less than or equal to 88 degrees.
  • the first parallelogram 116 and the second parallelogram 117 may have the same shape and the same size.
  • the sum of the light-emitting areas of all the third sub-pixels B is less than the sum of the light-emitting areas of all the first sub-pixels G, and all the third sub-pixels The sum of the light-emitting areas of B is greater than the sum of the light-emitting areas of all the second sub-pixels R.
  • the light-emitting area of a single third sub-pixel B is larger than the light-emitting area of a single first sub-pixel G, and the light-emitting area of a single third sub-pixel B is larger than that of a single second sub-pixel R. luminous area.
  • the shape of the first sub-pixel G is a parallelogram, or a parallelogram with four arc-shaped corners, a square, a hexagon, or an octagon.
  • the shape of the second sub-pixel R can also be a parallelogram, or a parallelogram with arcuate corners, a square, a hexagon, or an octagon;
  • the shape of the third sub-pixel B can also be a parallelogram, Or a parallelogram, square, hexagon, or octagon with four curved corners.
  • the pixels in the surrounding space of the four first sub-pixels G of each first group 114 are intermediate pixels 119 , and the intermediate pixels 119 are the second sub-pixels R or the third sub-pixels R.
  • Three sub-pixels B, as shown in FIG. 17 are explained by taking four first sub-pixels G surrounding one third sub-pixel B as an example.
  • the four first sub-pixels G of each first group 114 are respectively pixel one 1141, pixel two 1142, pixel three 1143 and pixel four 1144.
  • the side 11411 of the pixel one 1141 facing the middle pixel 119 is parallel to the side 1191 of the middle pixel 119 facing the pixel one 1141 .
  • the side 11421 of the second pixel 1142 facing the middle pixel 119 is parallel to the side 1192 of the middle pixel 119 facing the second pixel 1142 .
  • the side 11431 of the third pixel 1143 facing the middle pixel 119 is parallel to the side 1193 of the middle pixel 119 facing the third pixel 1143 .
  • the side 11441 of the pixel 4 1144 facing the middle pixel 119 is parallel to the side 1194 of the middle pixel 119 facing the pixel 4 1144 .
  • the pixel one 1141, the pixel two 1142, the pixel three 1143 and the pixel four 1144 are all rhombus-shaped, and the middle pixel 119 is a parallelogram or rhombus.
  • Embodiments of the present application adjust the arrangement structure of sub-pixels by adjusting the spacing distance between sub-pixels and/or adjusting the specific shape of each sub-pixel, thereby improving the display effect.
  • the pixel arrangement structure provided by the embodiments of the present application can support the OLED display screen to have good display effects in various screens.
  • the first sub-pixel G as a red pixel
  • the second sub-pixel R as a red pixel
  • the third sub-pixel B as a blue pixel as an example to illustrate the specific effect of the pixel arrangement structure.
  • the basic structure of the pixel arrangement architecture provided by this application is: a first group of four green pixels surrounds a red pixel, and a second group of four green pixels surrounds a blue pixel. At the same time, two red pixels and two blue pixels surround each other. The pixels surround a green pixel.
  • the mirror symmetry setting improves the edge color difference and jaggedness of the display effect, and makes the arrangement of green pixels form at least two different unit arrangements.
  • FFT Fourier transform
  • the green pixels are In other words, the intensity of visual interference fringes (moiré intensity) is dispersed at different frequencies. Therefore, this application can reduce the moiré intensity and improve the display effect.
  • This application uses the arrangement of the second sub-pixel R and the third sub-pixel B in each row of the X-row and Y-column arrangement structure 22 and the arrangement of the second sub-pixel R and the third sub-pixel B in each column of the X-row and Y-column arrangement structure 22
  • the second sub-pixel R and the third sub-pixel B are arranged in different ways to improve the moiré effect of red pixels and blue pixels. Specifically, for red pixels, the arrangement rules in the row direction and column direction are different. It can be understood that the arrangement of red pixels constitutes two different unit arrangements, and the Fourier transform (FFT) is expanded to correspond to two frequencies.
  • FFT Fourier transform
  • the intensity of visual interference fringes is dispersed at different frequencies, which can reduce the moiré intensity and improve the display effect.
  • the arrangement rules in the row direction and column direction are different. It can be understood that the arrangement of blue pixels constitutes two different unit arrangements. After the Fourier transform (FFT) is expanded, it corresponds to two frequencies. Visual The intensity of interference fringes (moiré intensity) is dispersed at different frequencies, which can reduce the moiré intensity and improve the display effect.
  • FFT Fourier transform
  • the center points of the plurality of second sub-pixels R are arranged into at least one first hexagon 226 , and the first hexagon 226 surrounds the two third sub-pixels R.
  • Pixel B, the center points of the plurality of third sub-pixels B are arranged as at least one second hexagon 227, and the second hexagon 227 surrounds the two second sub-pixels R blue pixel and red pixel,
  • This application can improve the moiré effect and enhance the display effect through the arrangement of blue pixels, red pixels and green pixels.
  • moiré is an optical phenomenon that is a visual effect produced by interference between luminescent pixels at a fixed angle and frequency. It is not easy for the human eye to distinguish the arrangement of luminous pixels in an OLED display, but the interference fringes caused by the pixel arrangement can be seen. Moiré patterns commonly appear through brightness or color stripes when pixels are arranged in a dense manner.
  • Moiré patterns are also displayed in the form of ripples on OLED screens.
  • moiré patterns become more obvious.
  • moiré has a great impact on vision, it is necessary to optimize the pixel arrangement of the OLED display to reduce or eliminate the appearance of moiré.
  • regular arrangement is easy to produce a single luminous frequency, and a single frequency is easy to form a fixed frequency interference moiré pattern.
  • the degree of moiré is highly related to the pixel arrangement. We can see from the unfolded diagram of the moiré intensity in the frequency domain that when the total energy remains unchanged, the simpler the graphic characteristics of the pixels in the repeating unit are, the more the energy is concentrated at a certain frequency point.
  • the intensity of the moiré pattern is The higher; on the contrary, as the graphic features increase within the repeating unit, the energy will be dispersed at different frequency points, and the energy at each frequency point will be relatively reduced, ultimately reducing the intensity of the moiré pattern.
  • the graphic features of the repeating units in this application will be increased from two to four, which can effectively improve the moiré effect. This application can also effectively improve the moiré effect through the design of the first hexagon 226 and the second hexagon 227 .
  • the second sub-pixel R and the third sub-pixel B are not arranged in the aforementioned X rows and Y columns arrangement structure 22, or if The first array in which the first sub-pixels G in the repeating unit 10 of the pixel arrangement structure is arranged does not form two mirror-symmetrically arranged parallelogram structures. If the second sub-pixel R and the third sub-pixel B in the repeating unit 10 are arranged along The row-direction arrangement and the column-direction arrangement have the same design. In the above-mentioned case, the intensity and frequency of moiré patterns generated by the pixel arrangement structure in the working state are as shown in Figure 18.
  • the diagram marked R on the left side of FIG. 18 represents the moiré frequency and amplitude of the second sub-pixel R (red pixel).
  • the diagram labeled G represents the moiré frequency and amplitude of the first sub-pixel G (green pixel).
  • the diagram labeled B on the right side of FIG. 18 represents the moiré frequency and amplitude of the third sub-pixel B (blue pixel).
  • the cone cells in the eye that are responsible for sensing color only account for one-eighteenth of the rod cells that sense light intensity
  • the cone cells are also divided into three types: green, red, and blue.
  • the number of cone cells is 40 :20:1.
  • the number of green-perceiving cones distributed in the photosensitive area is the largest, so when green light enters the retina, opsin and its mRNA (generally referred to as messenger RNA).
  • Messenger RNA the Chinese translation of which is "messenger ribonucleic acid"
  • messenger ribonucleic acid is A type of single-stranded ribonucleic acid (a type of single-stranded ribonucleic acid that is transcribed from a strand of DNA as a template and carries genetic information that can guide protein synthesis) has enhanced expression.
  • the amplitude value will be much higher than that of red light and blue light, so the human eye Most sensitive to green. Therefore, the display effect of the pixel arrangement structure provided by the embodiment shown in FIG. 18 is not ideal.
  • FIG. 19 shows an effect diagram of moiré patterns produced by the pixel arrangement structure provided in the embodiment shown in FIG. 14 .
  • the moiré frequency of the first sub-pixel G (marked as G, green pixel) is two frequencies, and the moiré intensity at each moiré frequency is greater than that in Figure 19.
  • the moiré intensity of the first sub-pixel G shown in 18 is low.
  • the moiré pattern frequency is also low.
  • the moiré intensity at each moiré frequency also decreases significantly. It can be seen that the implementation shown in FIG. 14 can improve the moiré intensity problem of the first sub-pixel G, the second sub-pixel R and the third sub-pixel B, and improve the overall display effect.
  • FIG. 20 shows an effect diagram of moiré pattern produced by the pixel arrangement structure provided by the embodiment shown in FIG. 15 .
  • the moiré frequency of the first sub-pixel G (marked as G, green pixel) is four frequencies, and the moiré intensity at each moiré frequency is greater than that in Figure 20.
  • the moiré intensity of the first sub-pixel G shown in Figure 18 and Figure 19 is low.
  • the moiré pattern The moiré frequency is also two frequencies, and the moiré intensity at each moiré frequency is also significantly reduced. It can be seen that the implementation shown in FIG. 15 can improve the moiré intensity problem of the first sub-pixel G, the second sub-pixel R and the third sub-pixel B, and improve the overall display effect.
  • the evaporation process of multi-color OLED luminescent materials such as RGB (that is, the second sub-pixel R, the first sub-pixel G and the third sub-pixel B described in this application) is very important for the display effect. .
  • the position accuracy of the evaporation of the luminescent material is determined by FMM (Fine Metal Mask), and the thickness of the luminescent material is controlled by the rate and time of evaporation.
  • sub-pixels such as RGB will be evaporated and formed at different times, and their corresponding FMMs will deviate to a certain extent during the actual alignment process, resulting in differences between the actual pixel positions and the design values. Tolerance, the distance between different sub-pixels becomes partially larger and partially smaller, so that the final image has a color cast during the RGB color mixing imaging process.
  • the design of the pixel arrangement structure provided by this application will result in smaller alignment deviations in FMM.
  • the degree of deflection is related to the distance and angle of the reference center point. To facilitate comparison, assuming that the deflection angle is 5 degrees, compare the deflection of RGB sub-pixels around the reference center point. By actually simulating the offset, the calculation found that, in terms of the degree of offset, for the second sub-pixel R (R pixel) and the third sub-pixel B (B pixel), the overlapping area of the sub-pixels after the offset of this scheme is: The second sub-pixel R is 40%, and the third sub-pixel B is 49%.
  • the pixel overlapping area after the first sub-pixel G is offset is 52.1% (for other pixel arrangement structures, the pixel overlapping area after the first sub-pixel G is offset is 50.1%).
  • the pixel arrangement structure provided by this application has a great impact on the manufacturing process.
  • the impact of The design of the arrangement structure has smaller sub-pixel offsets, which can reduce the impact of mask alignment deviation on the actual OLED pixel offset and improve the display effect.
  • Using the pixel arrangement structure provided by this application can expand the design limitations of each sub-pixel and increase the process margin.
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.

Landscapes

  • Electroluminescent Light Sources (AREA)

Abstract

Structure d'agencement de pixels, panneau d'affichage et dispositif électronique. Dans la structure d'agencement de pixels, une pluralité de premiers sous-pixels sont agencés dans un premier réseau ; un angle inclus est formé entre une direction de rangée et une ligne de connexion de points centraux de deux premiers sous-pixels agencés dans la direction de rangée dans le premier réseau ; une pluralité de deuxièmes sous-pixels et une pluralité de troisièmes sous-pixels sont agencés dans un second réseau ; la manière d'agencer les deuxièmes sous-pixels et les troisièmes sous-pixels dans chaque rangée du second réseau est différente de la manière d'agencer les deuxièmes sous-pixels et des troisièmes sous-pixels dans chaque colonne du second réseau, et chaque rangée et chaque colonne du second réseau sont agencées de manière correspondante au niveau des emplacements inter-rangées et des emplacements inter-colonnes du premier réseau.
PCT/CN2023/091376 2022-05-06 2023-04-27 Structure d'agencement de pixels, panneau d'affichage et dispositif électronique WO2023213234A1 (fr)

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CN202210489895 2022-05-06
CN202210926386.3A CN117082931A (zh) 2022-05-06 2022-08-02 像素排列结构、显示面板和电子设备
CN202210926386.3 2022-08-02

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Publication number Priority date Publication date Assignee Title
CN105789261A (zh) * 2016-04-29 2016-07-20 京东方科技集团股份有限公司 像素阵列及其制造方法和有机发光二极管阵列基板
KR20180061853A (ko) * 2016-11-30 2018-06-08 엘지디스플레이 주식회사 유기 발광 다이오드 표시 장치
CN109427851A (zh) * 2017-08-31 2019-03-05 昆山国显光电有限公司 像素结构、oled显示屏以及蒸镀掩膜版
CN110444569A (zh) * 2019-08-02 2019-11-12 云谷（固安）科技有限公司 像素排列结构及显示面板
CN111261689A (zh) * 2020-02-07 2020-06-09 武汉华星光电半导体显示技术有限公司 一种oled显示面板及oled显示装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105789261A (zh) * 2016-04-29 2016-07-20 京东方科技集团股份有限公司 像素阵列及其制造方法和有机发光二极管阵列基板
KR20180061853A (ko) * 2016-11-30 2018-06-08 엘지디스플레이 주식회사 유기 발광 다이오드 표시 장치
CN109427851A (zh) * 2017-08-31 2019-03-05 昆山国显光电有限公司 像素结构、oled显示屏以及蒸镀掩膜版
CN110444569A (zh) * 2019-08-02 2019-11-12 云谷（固安）科技有限公司 像素排列结构及显示面板
CN111261689A (zh) * 2020-02-07 2020-06-09 武汉华星光电半导体显示技术有限公司 一种oled显示面板及oled显示装置

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