WO2022262343A1 - 像素排布结构、掩膜组件及显示面板 - Google Patents

像素排布结构、掩膜组件及显示面板 Download PDF

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Publication number
WO2022262343A1
WO2022262343A1 PCT/CN2022/081624 CN2022081624W WO2022262343A1 WO 2022262343 A1 WO2022262343 A1 WO 2022262343A1 CN 2022081624 W CN2022081624 W CN 2022081624W WO 2022262343 A1 WO2022262343 A1 WO 2022262343A1
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Prior art keywords
pixel
sub
opening
pixels
arrangement structure
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PCT/CN2022/081624
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English (en)
French (fr)
Inventor
张浩瀚
姚远
刘明星
肖一鸣
赵理
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合肥维信诺科技有限公司
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Application filed by 合肥维信诺科技有限公司 filed Critical 合肥维信诺科技有限公司
Priority to KR1020237021974A priority Critical patent/KR20230107887A/ko
Priority to JP2023540217A priority patent/JP2024501566A/ja
Publication of WO2022262343A1 publication Critical patent/WO2022262343A1/zh
Priority to US18/340,289 priority patent/US20230337478A1/en

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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/122Pixel-defining structures or layers, e.g. banks
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30Devices specially adapted for multicolour light emission
    • H10K59/35Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/352Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30Devices specially adapted for multicolour light emission
    • H10K59/35Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10Deposition of organic active material
    • H10K71/16Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
    • H10K71/166Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask

Definitions

  • the present application relates to the field of display technology, in particular to a pixel arrangement structure, a mask component and a display panel.
  • OLED Organic Light-Emitting Diode
  • LCD liquid crystal display
  • OLED display technology does not require a backlight and has the characteristics of self-luminescence.
  • OLED uses a thin film of organic material and a glass substrate. When an electric current passes through it, the organic material will emit light. Therefore, OLED display panels can significantly save power, can be made lighter and thinner, can withstand a wider range of temperature changes than LCD display panels, and have a larger viewing angle.
  • OLED display panel is expected to become the next-generation flat panel display technology after LCD, and it is one of the most concerned technologies in flat panel display technology at present.
  • Embodiments of the present application provide a pixel arrangement structure, a mask component and a display panel, aiming at improving the display effect of the pixel arrangement structure.
  • the embodiment of the first aspect of the present application provides a pixel arrangement structure, the pixel arrangement structure includes a plurality of pixel units arranged in rows and columns along the first direction and the second direction, the pixel units include: a first pixel group, It includes first sub-pixels and second sub-pixels distributed along the first direction, the first sub-pixel has a plurality of first opening sides, and the second sub-pixel has a plurality of second opening sides; the second pixel group is located in the first pixel group on one side in the second direction, the second pixel group includes two third sub-pixels distributed along the first direction, and one of the third sub-pixels corresponds to the arrangement between the first sub-pixel and the second sub-pixel, The third sub-pixel has two oppositely arranged third opening sides and two oppositely arranged fourth opening sides, wherein two adjacent rows of pixel units along the second direction are arranged with offsets, the first sub-pixel and the second sub-pixel Alternately arranged along the second direction, the two first sub-pixels and the two second sub
  • the second aspect of the present application also provides a mask assembly, which is used for vapor deposition to form the pixel arrangement structure of any one of the embodiments of the first aspect above, and the mask assembly includes:
  • the first mask plate includes a first mask opening adapted to the first sub-pixel
  • the second mask plate includes a second mask opening adapted to the second sub-pixel
  • a third mask plate, the third mask plate includes a third mask opening adapted to the third sub-pixel.
  • the third aspect of the present application further provides a display panel, which includes the pixel arrangement structure of any one of the embodiments of the first aspect above.
  • the pixel arrangement structure includes a pixel unit, and the pixel unit includes a first pixel group and a second pixel group.
  • Two first sub-pixels and two second sub-pixels are arranged alternately around the third sub-pixel, which can reduce the distance between the first sub-pixel, the second sub-pixel and the third sub-pixel, so that the formation of The distance between the first sub-pixel, the second sub-pixel and the third sub-pixel of a white light is closer, which can improve the display effect.
  • the two third opening sides overlap with one of the first opening sides of the two first sub-pixels respectively, and the two fourth opening sides respectively overlap with one of the second opening sides of the two second sub-pixels.
  • the spacing between the first sub-pixel, the second sub-pixel and the third sub-pixel can be further reduced, and the pixel aperture ratio and display effect can be improved.
  • Fig. 1 is a schematic structural diagram of a pixel unit in a pixel arrangement structure provided by an embodiment of the first aspect of the present application;
  • Fig. 2 is a schematic structural diagram of a pixel arrangement structure provided by an embodiment of the first aspect of the present application
  • Fig. 3 is a schematic structural diagram of a first sub-pixel of a pixel arrangement structure provided by an embodiment of the first aspect of the present application;
  • Fig. 4 is a schematic structural diagram of a second sub-pixel of a pixel arrangement structure provided by an embodiment of the first aspect of the present application;
  • Fig. 5 is a schematic structural diagram of a third sub-pixel of a pixel arrangement structure provided by an embodiment of the first aspect of the present application;
  • Fig. 6 is a partial structural schematic diagram of a pixel arrangement structure provided by the embodiment of the first aspect of the present application.
  • Fig. 7 is a schematic structural diagram of a pixel unit in a pixel arrangement structure provided by another embodiment of the first aspect of the present application.
  • Fig. 8 is a schematic structural diagram of a pixel arrangement structure provided by another embodiment of the first aspect of the present application.
  • Fig. 9 is a schematic structural view of a first mask plate of a mask assembly provided by an embodiment of the fourth aspect of the present application.
  • Fig. 10 is a schematic structural diagram of a second mask plate of a mask assembly provided in the embodiment of the fourth aspect of the present application.
  • FIG. 11 is a schematic structural diagram of a third mask plate of a mask assembly provided by an embodiment of the fourth aspect of the present application.
  • Figure 1 is a schematic structural diagram of a pixel unit 100 in a pixel arrangement structure provided by an embodiment of the present application
  • Figure 2 is a structure of a pixel arrangement structure provided by an embodiment of this application schematic diagram.
  • the pixel arrangement structure includes a plurality of sub-pixels, the plurality of sub-pixels are combined to form a pixel unit 100, and the pixel unit 100 is translated and repeated to form a pixel arrangement structure.
  • the sub-pixels include, for example, a first sub-pixel 110 , a second sub-pixel 120 and a third sub-pixel 130 .
  • the pixel arrangement structure includes a plurality of pixel units 100 arranged in rows and columns along the first direction and the second direction
  • the pixel unit 100 includes: a first pixel group 101 including a first pixel group 101 distributed along the first direction A sub-pixel 110 and a second sub-pixel 120, the first sub-pixel 110 has a plurality of first opening sides 111, the second sub-pixel 120 has a plurality of second opening sides 121; the second pixel group 102 is located in the first pixel group 101 on one side in the second direction, the second pixel group 102 includes two third sub-pixels 130 distributed along the first direction, and one of the third sub-pixels 130 corresponds to the first sub-pixel 110 and the second sub-pixel 120, the third sub-pixel 130 has two oppositely disposed third opening sides 131 and oppositely disposed two fourth opening sides 132, wherein two adjacent rows of pixel units 100 along the second direction are misplaced, The first sub-pixels 110 and the second sub-pixels 120 are alternately arranged along the first direction A sub
  • first direction and the second direction there are many ways to set the first direction and the second direction, and the first direction and the second direction can be arranged to intersect at any preset angle.
  • the angle between the first direction and the second direction is 90 degrees, such as the X axis (first direction) and the Y axis (second direction) shown in FIG. 1 , so each The first sub-pixel 110 , the second sub-pixel 120 and the third sub-pixel 130 can be arranged horizontally and vertically along the horizontal and vertical directions, which has a simple structure and is easy to manufacture.
  • the pixel arrangement structure includes a pixel unit 100 , and the pixel unit 100 includes a first pixel group 101 and a second pixel group 102 .
  • the two first sub-pixels 110 and the two second sub-pixels 120 are arranged alternately around the third sub-pixel 130, which can reduce the distance between the first sub-pixel 110, the second sub-pixel 120 and the third sub-pixel 130.
  • the spacing between them makes the spacing between adjacent first sub-pixels 110 , second sub-pixels 120 and third sub-pixels 130 that form white light closer, which can improve the display effect.
  • the two third opening sides 131 overlap with one of the first opening sides 111 of the two first sub-pixels 110 respectively, and the two fourth opening sides 132 overlap with the two second sub-pixels 120 respectively.
  • One of the second opening sides 121 is overlapped.
  • the edge of the luminescent material of the first sub-pixel 110 formed by evaporation will not overlap with the edge of the luminescent material of the third sub-pixel 130 formed by evaporation, and color crosstalk will not be caused.
  • the spacing between the first sub-pixel 110 , the second sub-pixel 120 and the third sub-pixel 130 can be further reduced to improve the pixel aperture ratio and display effect.
  • Each sub-pixel includes a luminescent material area and a pixel area located in the luminescent material area.
  • the luminescent material area is the area corresponding to the mask opening on the mask plate when sub-pixels are formed by vapor deposition on the mask plate, that is, the size of the luminescent material area is equal to the size of the mask opening, and the luminescent material area is evaporated with luminescent material.
  • the pixel area is the size of the pixel opening on the pixel definition layer, and the pixel area corresponds to the pixel electrode of the display panel.
  • the pixel electrode drives the luminescent material in the pixel area to emit light, that is, the overlapping portion of the luminescent material area and the pixel area emits light.
  • the luminescent material area and the pixel area are similar in shape, and the centers of the luminescent material area and the pixel area overlap, and the minimum distances from different positions on the edge of the luminescent material area to different positions on the edge of the pixel area are equal within an error range.
  • the luminescent material area has an opening side, and the pixel area has a pixel side.
  • the two third opening sides 131 are arranged to overlap with one of the first opening sides 111 of the two first sub-pixels 110 respectively: the "overlap setting" here is not a complete overlap in the sense of mathematical geometry, as long as the third opening sides 131 and It is sufficient that the distance between one of the first opening sides 111 of the first sub-pixel 110 overlaps within an error range.
  • the distance between the third opening side 131 and one of the first opening sides 111 of the first sub-pixel 110 is small enough that during the pixel evaporation process, one side of the mask opening of the first sub-pixel 110 is evaporated , and one side of the mask opening for evaporating the third sub-pixel 130 may use the same line as a reference.
  • the distance between the third opening side 131 and one of the first opening sides 111 of the first sub-pixel 110 is less than or equal to 0.1 ⁇ m, it can be considered that the third opening side 131 overlaps with the first opening side 111 .
  • the “overlapping arrangement” in the arrangement of the two fourth opening sides 132 respectively overlapping with one of the second opening sides 121 of the two second sub-pixels 120 is the same as above.
  • the distance between the fourth opening side 132 and one of the second opening sides 121 of the second sub-pixel 120 is less than or equal to 0.1 ⁇ m, it can be considered that the fourth opening side 132 overlaps the second opening side 121 .
  • FIG. 3 is a schematic structural diagram of the first sub-pixel 110 of a pixel arrangement structure provided by the embodiment of the first aspect of the application
  • FIG. 4 is a schematic diagram of the first sub-pixel provided by the embodiment of the first aspect of the application.
  • FIG. 5 is a structural schematic diagram of a third sub-pixel 130 of a pixel arrangement structure provided by an embodiment of the first aspect of the present application.
  • the first sub-pixel 110 has a first light-emitting material region 112 and a first pixel region 113, the first light-emitting material region 112 has a plurality of first opening sides 111, and the first opening sides 111 include a first sub-opening side 111a and a second sub-opening side 111a. Opening edge 111b.
  • the first sub-opening side 111a and the second sub-opening side 111b may be connected at a predetermined angle, or the first sub-opening side 111a and the second sub-opening side 111b may be connected in a smooth transition.
  • the edges of the first pixel region 113 may be connected at a preset angle, or the edges of the first pixel region 113 may be connected with a smooth transition.
  • the second sub-pixel 120 has a second luminescent material region 122 and a second pixel region 123, the second luminescent material region 122 has a plurality of second opening sides 121, and the second opening sides 121 include a third sub-opening side 121a and a fourth sub-opening side 121a. Opening edge 121b.
  • the second opening side 121 further includes a first chamfering side 121c.
  • the third sub-opening side 121a and the fourth sub-opening side 121b may be connected at a predetermined angle, or the third sub-opening side 121a and the fourth sub-opening side 121b may be connected in a smooth transition.
  • the edges of the second pixel region 123 may be connected at a preset angle, or the edges of the second pixel region 123 may be connected with a smooth transition.
  • the third sub-pixel 130 has a third light emitting material region 134 and a third pixel region 135, and the third light emitting material region 134 has a third opening side 131 and a fourth opening side 132.
  • the third luminescent material region 134 also has a second chamfered edge 133 .
  • the third opening side 131 and the fourth opening side 132 may be connected at a predetermined angle, or the third opening side 131 and the fourth opening side 132 may be connected in a smooth transition.
  • the edges of the third pixel region 135 may be connected at a preset angle, or the edges of the third pixel region 135 may be connected with a smooth transition.
  • the plurality of second opening sides 121 of the second sub-pixel 120 are the edges of the light-emitting material region of the second sub-pixel 120 .
  • the plurality of first opening sides 111 of the first sub-pixel 110 are the edges of the luminescent material region of the first sub-pixel 110 .
  • the third opening side 131 and the fourth opening side 132 of the third sub-pixel 130 are edges of the light-emitting material area of the third sub-pixel 130 .
  • the first sub-pixel 110 , the second sub-pixel 120 and the third sub-pixel 130 form a pixel display unit 200 capable of displaying white light.
  • the pixel display unit 200 is shown by a dotted triangle, and the dotted triangle does not constitute a structural limitation on the pixel arrangement structure of the embodiment of the present application.
  • the number ratio of the first sub-pixel 110, the second sub-pixel 120 and the third sub-pixel 130 in the first pixel group 101 and the second pixel group 102 is 1:1:2.
  • both the first sub-pixel 110 and the second sub-pixel 120 in the first pixel group 101 can be shared by two adjacent pixel display units in the first direction, which can By increasing the number of pixel display units 200 formed by the pixel arrangement structure, a larger pixel resolution can be simulated by using fewer sub-pixels, and the display effect of the pixel arrangement structure can be improved.
  • the first sub-pixel 110 is a red sub-pixel
  • the second sub-pixel 120 is a blue sub-pixel
  • the third sub-pixel 130 is a green sub-pixel.
  • the first sub-pixel 110 is a blue sub-pixel
  • the second sub-pixel 120 is a red sub-pixel
  • the third sub-pixel 130 is a green sub-pixel.
  • Each pixel display unit 200 includes a complete green sub-pixel, which can ensure the display The green color is not distorted, which improves the comfort of human eyes.
  • the shape of the third sub-pixel 130 There are many ways to configure the shape of the third sub-pixel 130 .
  • two third opening sides 131 are arranged in parallel, and two fourth opening sides 132 are arranged in parallel.
  • the first sub-pixels 110 of the two first sub-pixels 110 that overlap the third opening side 131 and are located around the third sub-pixel 130 An opening edge 111 is arranged in parallel.
  • the second opening sides 121 of the two second sub-pixels 120 that overlap the fourth opening side 132 and are located around the third sub-pixel 130 are arranged in parallel. The distance between the first sub-pixel 110, the second sub-pixel 120 and the third sub-pixel 130 can be further reduced, and the pixel aperture ratio and display effect can be improved.
  • the angle between the third opening side 131 and the fourth opening side 132 is 90 degrees, so that the rows between the first sub-pixel 110, the second sub-pixel 120 and the third sub-pixel 130 The cloth is more uniform.
  • the third sub-pixel 130 is pentagonal, and the third sub-pixel 130 further includes a third opening connecting one of the third opening sides 131 and one of the fourth opening sides 132 .
  • Two corner-cutting sides 133 , the second corner-cutting side 133 is formed extending along the second direction.
  • the third sub-pixel 130 has a second corner-cutting edge 133 , and the second corner-cutting edge 133 is formed extending along the second direction, which can reduce the size of the third sub-pixel 130 and further increase
  • the distance between the two third sub-pixels 130 in the pixel unit 100, increasing the distance between the mask openings of the mask plate used for evaporating the third sub-pixel 130, can increase the distance between the evaporating third sub-pixels.
  • the structural strength of the mask plate 130 improves the evaporation precision of the third sub-pixel 130 .
  • the two third sub-pixels 130 in the pixel unit 100 are distributed symmetrically about the axis extending along the second direction.
  • the distance between the two third sub-pixels 130 in the pixel unit 100 can be further reduced, the structural strength of the mask used for evaporating the third sub-pixel 130 can be improved, and the evaporation precision of the third sub-pixel 130 can be improved.
  • the axis passes through the center of the second sub-pixel 120 and/or the first sub-pixel 110 .
  • the arrangement of multiple sub-pixels in the pixel arrangement structure is more uniform, and the color rendering of the pixel arrangement structure is more uniform.
  • the axis passes through the centers of the first sub-pixel 110 and the second sub-pixel 120 .
  • FIG. 6 is a partial structural schematic diagram of a pixel arrangement structure provided by an embodiment of the first aspect of the present application.
  • the third sub-pixel 130 includes a third luminescent material region 134 and a third pixel region 135 located in the third luminescent material region 134, the third opening side 131 and the fourth opening side 132 are the second The edge of the three luminescent material regions 134;
  • the third pixel region 135 includes two third pixel sides 137 arranged parallel to the third opening side 131, two fourth pixel sides 138 arranged parallel to the fourth opening side 132, and
  • the second pixel corner-cutting side 136 arranged parallel to the second corner-cutting side 133, the third pixel side 137 at the two ends of the second pixel corner-cutting side 136 and the extension line of the fourth pixel side 138 form a virtual pixel angle;
  • the distance Q between the corner-cutting edge 136 of the second pixel and the included angle of the virtual pixel satisfies the following relationship:
  • N is equal to half of the first distance d1 between the third light-emitting material regions 134 of two third sub-pixels 130 in two adjacent pixel units 100 in the first direction and the third light-emitting material region in the same third sub-pixel 130
  • the sum of the second distance d 2 between the edge of the material region 134 and the third pixel region 135 , that is, N d 1 /2+d 2 .
  • d1 is the first distance between the third light-emitting material regions 134 of two third sub-pixels 130 in the pixel unit 100 in the first direction
  • d2 is the third light-emitting material regions 134
  • the second distance between the edges of the third pixel area 135, d3 is the first sub-pixel in a different pixel unit 100 located between two third sub-pixels 130 in the same pixel unit 100 and arranged along the second direction 110 and the third distance between the second sub-pixel 120.
  • the size of the cut corner of the third sub-pixel 130 can be determined according to formula (1).
  • the pixel arrangement structure forms a virtual quadrilateral, and the centers of the two first sub-pixels 110 and the centers of the two second sub-pixels 120 are respectively located in the virtual quadrilateral.
  • a single third sub-pixel 130 is located within the virtual quadrilateral.
  • the location and size of the virtual quadrilateral are shown by dot-dash lines, and the dot-dash lines are not enough to limit the structure of the pixel arrangement structure of the embodiment of the present invention.
  • the virtual quadrilateral is an isosceles trapezoid.
  • the virtual quadrilateral may also be a quadrilateral of other shapes.
  • the virtual quadrilateral has diagonal lines, and a virtual square is formed with the diagonal lines of the virtual quadrilateral as diagonal lines.
  • the side length of the virtual square is Pi
  • the length of the diagonal lines of the virtual square is That is, the length of the diagonal of the virtual quadrilateral in this embodiment is
  • Pi is the pixel size, that is, the pixel size is the side length of the virtual square.
  • the size of the third sub-pixel 130 can be determined according to the size of the first sub-pixel 110 , the size of the second sub-pixel 120 and the pixel size.
  • Pi is the pixel size, that is, Pi is the side length of the virtual square
  • a is the size of the first sub-pixel 110 in the extending direction of the fourth opening side 132
  • Pi is the pixel size, that is, Pi is the side length of the virtual square
  • b is the size of the second sub-pixel 120 in the extending direction of the third opening side 131 .
  • the two first sub-pixels 110 located around the third sub-pixel 130 are arranged symmetrically with respect to the third sub-pixel 130, and the two first sub-pixels 110 to the third sub-pixel 130 located around the third sub-pixel 130 The distances are equal so that the arrangement of the first sub-pixels 110 is more balanced.
  • the two second sub-pixels 120 located around the third sub-pixel 130 are arranged symmetrically with respect to the third sub-pixel 130, and the two second sub-pixels 120 to the third sub-pixel 130 located around the third sub-pixel 130 The distances are equal so that the arrangement of the plurality of second sub-pixels 120 is more balanced.
  • Figure 7 is a schematic structural diagram of a pixel unit 100 in a pixel arrangement structure provided by another embodiment of the first aspect of the application;
  • Figure 8 is another embodiment of the first aspect of the application A structural schematic diagram of a pixel arrangement structure is provided.
  • the first sub-pixel 110 is in the shape of a parallelogram, and the multiple first opening sides 111 include two first sub-opening sides 111a parallel to each other. and the two second sub-opening sides 111b parallel to each other, the first sub-opening side 111a and the second sub-opening side 111b are connected to each other to form a vertex;
  • the second sub-pixel 120 is pentagonal, and the plurality of second opening sides 121 include Two third sub-opening sides 121a parallel to each other, two fourth sub-opening sides 121b parallel to each other, and a first chamfering side 121c connecting one of the third sub-opening sides 121a and one of the fourth sub-opening sides 121b ;
  • one of the top corners of the first sub-pixel 110 in the i-th row abuts against the first corner-cutting side 121c of the second sub-pixel 120 in the i+1th row
  • the second sub-pixel 120 is pentagonal, and one of the top corners of the first sub-pixel 110 in the ith row and the first corner of the second sub-pixel 120 in the i+1th row
  • the contact between the corner edges 121c can reduce the distance between the first sub-pixel 110 in the i-th row and the second sub-pixel 120 in the i+1th row, and avoid the gap between the first sub-pixel 110 in the i-th row and the i+1th row.
  • the second sub-pixels 120 of the row are overlapped, and the pixel aperture ratio is improved at the same time.
  • the corresponding included angle between the first sub-opening side 111a and the second sub-opening side 111b is equal to the included angle between the third sub-opening side 121a and the fourth sub-opening side 121b.
  • corresponding means: for example: the two first sub-opening sides 111a and the two second sub-opening sides 111b of the first sub-pixel 110 form four corners, and these four corners include two A first vertex angle and two second vertex angles, the two first vertex angles are distributed along the second direction, and the two second vertex angles are distributed along the first direction. Then the two third sub-opening sides 121a and the two fourth sub-opening sides 121b of the second sub-pixel 120 form four corners, and these four corners include two third corners and two fourth corners. The two third vertex angles are distributed along the second direction, and the two fourth vertex angles are distributed along the first direction. And the first vertex angle is equal to the third vertex angle, and the second vertex angle is equal to the fourth vertex angle.
  • the first vertex angle may be smaller than the second vertex angle, for example, the first vertex angle is an acute angle, and the second vertex angle is an obtuse angle.
  • the first vertex angle may be equal to the second vertex angle, and both the first vertex angle and the second vertex angle are right angles.
  • the first sub-pixel 110 and the second sub-pixel 120 are aligned in the first direction and the second The size in the direction is close, when the first sub-pixel 110 and the second sub-pixel 120 are arranged in an array along the first direction and the second direction, the distance between the first sub-pixel 110 and the second sub-pixel 120 can be reduced, Increase the pixel aperture ratio.
  • the included angle between the first sub-opening side 111a and the second sub-opening side 111b corresponds to the included angle between the first sub-opening side 111a and the second sub-opening side 111b, the included angle between the third sub-opening side 121a and the fourth sub-opening side 121b, and the third sub-opening side 131 and The included angles between the fourth opening sides 132 are equal.
  • the third sub-pixel 130 includes four corners, the four corners are two fifth corners distributed along the second direction and two sixth corners distributed along the first direction, the first corners,
  • the third vertex angle is equal to the fifth vertex angle, and the second vertex angle, the fourth vertex angle, and the sixth vertex angle are equal.
  • the arrangement of the sub-pixels is more uniform, and the distance between the first sub-pixel 110 , the second sub-pixel 120 and the third sub-pixel 130 can be reduced to increase the pixel aperture ratio.
  • the distance between the two third opening sides 131 is greater than the distance between the two fourth opening sides 132, the second sub-pixel 120 in the i-th row and the first sub-pixel 110 in the i+1-th row Second direction interval setting.
  • the first sub-pixel 110 of the i-th row is in contact with the second sub-pixel 120 of the i+1-th row
  • the second sub-pixel 120 of the i-th row is in contact with the second sub-pixel 120 of the i+1-th row.
  • the first sub-pixels 110 are distributed at intervals such that a line connecting the centers of the two first sub-pixels 110 surrounding the third sub-pixel 130 and the centers of the two second sub-pixels 120 is trapezoidal.
  • the first sub-pixel 110 is rectangular, and the angle between the third sub-opening side 121 a and the fourth sub-opening side 121 b in the second sub-pixel 120 is 90 degrees.
  • the area of the first sub-pixel 110 and the second sub-pixel 120 can be increased, so that the distribution of the first sub-pixel 110 and the second sub-pixel 120 in the pixel arrangement structure is more uniform.
  • the first sub-pixel 110 is square, and the third sub-opening side 121 a and the fourth sub-opening side 121 b connected to each other in the second sub-pixel 120 have equal lengths.
  • the areas of the first sub-pixel 110 and the second sub-pixel 120 can be further increased, so that the distribution of the first sub-pixel 110 and the second sub-pixel 120 in the pixel arrangement structure is more uniform.
  • the first corner-cutting side 121c extends along the first direction, and one of the top corners of the first sub-pixel 110 in the i-th row corresponds to the second sub-pixel 110 in the i+1-th row.
  • the middle part of the first chamfered side 121 c of the pixel 120 The arrangement of the first sub-pixels 110 and the second sub-pixels 120 in the second direction is more corresponding, and the distribution of the first sub-pixels 110 and the second sub-pixels 120 in the pixel arrangement structure is more uniform.
  • the first sub-pixel 110 has a second diagonal extending along the second direction, the second diagonal of the first sub-pixel 110 in the i-th row is connected to the second diagonal of the i+1-th second sub-pixel 120 All corners 121c are arranged vertically.
  • the length of the first sub-opening side 111a is equal to the lengths of the two interconnected third sub-opening sides 121a and the fourth sub-opening side 121b
  • the length of the second sub-opening side 111b is equal to the length of the two interconnected third sub-opening sides.
  • the areas of the shared first sub-pixel 110 and the second sub-pixel 120 are close to each other, which can ensure uniform color display of the pixel arrangement structure.
  • the area of the first sub-pixel 110 is larger than the area of a single third sub-pixel 130 ; and/or, the area of the second sub-pixel 120 is larger than the area of a single third sub-pixel 130 .
  • the area of the shared sub-pixels is larger than the area of the non-shared sub-pixels, which can ensure the display effect of the pixel arrangement structure. Since the shared sub-pixel needs to be displayed when the two pixel display units 200 formed by it are displayed, its display times are greater than that of the unshared sub-pixel, and the shared sub-pixel has a larger area, which can increase the number of shared sub-pixels. The service life of the pixels, thereby improving the service life of the entire pixel arrangement structure.
  • the first sub-pixel 110 is arranged symmetrically with respect to the first axis extending along the second direction, and the first axis passes through the center of the first sub-pixel 110; and/or, the second sub-pixel 120 is arranged with respect to the first axis extending along the second direction
  • the second axis is arranged symmetrically, and the second axis passes through the center of the second sub-pixel 120 .
  • the first sub-pixel 110 is correspondingly provided with two mutually insulated first anode blocks, and the two first anode blocks are arranged side by side along the first direction.
  • the two first anode blocks are insulated from each other so that the two first anode blocks can be independently controlled.
  • the first sub-pixel 110 is shared by two adjacent pixel display units 200 in the first direction, and when only one of the two adjacent pixel display units 200 needs to be displayed, the corresponding first anode block can be controlled to operate, Furthermore, the corresponding part of the first sub-pixel 110 emits light, and the other part of the first sub-pixel 110 that does not need to be displayed does not emit light, which can improve display accuracy.
  • the second sub-pixel 120 is correspondingly provided with two mutually insulated second anode blocks, and the two second anode blocks are arranged side by side along the first direction.
  • the second sub-pixel 120 is shared by two adjacent pixel display units 200 in the first direction, and when only one of the two adjacent pixel display units 200 needs to display, it can The operation of the corresponding second anode block is controlled, so that the corresponding part of the second sub-pixel 120 emits light, and another part of the second sub-pixel 120 that does not need to display does not emit light, which can improve display accuracy.
  • the second embodiment of the present application further provides a display panel, including the pixel arrangement structure of any one of the above-mentioned first embodiments. Since the display panel of the embodiment of the present application includes the pixel arrangement structure of any one of the above-mentioned first embodiments, the display panel of the present application has the beneficial effects of the pixel arrangement structure of any of the above-mentioned first embodiments, which will not be repeated here. repeat.
  • the display panel includes a display area AA and a non-display area NA arranged around the display area AA.
  • the display panel may only include the display area AA without the non-display area NA. Partial enlargement of the display area AA shows that the above-mentioned pixel arrangement structure is selected for the pixel arrangement structure of the display panel.
  • the embodiment of the third aspect of the present application further provides an electronic device, including the above-mentioned display panel. Since the electronic device in the embodiment of the present application includes the above-mentioned display panel, it has the beneficial effects of the above-mentioned display panel, which will not be repeated here.
  • the type of the electronic device is not limited here, and the electronic device may be a mobile terminal, a display, and the like.
  • Figure 9 is a schematic structural view of the first mask plate 10 of a mask assembly provided by the embodiment of the fourth aspect of the application
  • Fig. 11 is a schematic structural view of a third mask plate of a mask assembly provided in an embodiment of the fourth aspect of the present application.
  • the embodiment of the fourth aspect of the present application also provides a mask assembly, the mask assembly includes: a first mask plate 10, the first mask plate 10 includes a first mask opening adapted to the first sub-pixel 110 11; the second mask plate 20, the second mask plate 20 includes the second mask opening 21 adapted to the second sub-pixel 120; the third mask plate 30, the third mask plate 30 includes the third mask plate 30 and the third The sub-pixel 130 is adapted to the third mask opening 31 .
  • the pixel arrangement structure of any one of the above-mentioned embodiments of the first aspect can be formed by vapor deposition using the mask assembly of the present application.

Abstract

本申请实施例提供一种像素排布结构、掩膜组件及显示面板,像素排布结构包括多个像素单元,像素单元包括:第一像素组,包括沿第一方向分布的第一子像素和第二子像素,第一子像素具有多个第一开口边,第二子像素具有多个第二开口边;第二像素组,包括沿第一方向分布的两个第三子像素,且其中一个第三子像素对应于第一子像素和第二子像素之间设置,第三子像素具有相对设置的两条第三开口边和相对设置的两条第四开口边,其中,沿第二方向相邻的两行像素单元错位设置,两个第三开口边分别与两个第一子像素的其中一条第一开口边重叠设置,两个第四开口边分别与两个第二子像素的其中一条第二开口边重叠设置。

Description

像素排布结构、掩膜组件及显示面板
相关申请的交叉引用
本申请要求享有于2021年06月17日提交的名称为“像素排布结构、掩膜组件及显示面板”的中国专利申请第202110675049.7号的优先权,该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及显示技术领域,尤其涉及一种像素排布结构、掩膜组件及显示面板。
背景技术
有机发光二极管(Organic Light-Emitting Diode;OLED)是主动发光器件。与传统的液晶显示(Liquid Crystal Display;LCD)显示方式相比,OLED显示技术无需背光灯,具有自发光的特性。OLED采用较薄的有机材料膜层和玻璃基板,当有电流通过时,有机材料就会发光。因此OLED显示面板能够显著节省电能,可以做得更轻更薄,比LCD显示面板耐受更宽范围的温度变化,而且可视角度更大。OLED显示面板有望成为继LCD之后的下一代平板显示技术,是目前平板显示技术中受到关注最多的技术之一。
发明内容
本申请实施例提供一种像素排布结构、掩膜组件及显示面板,旨在提高像素排布结构的显示效果。
本申请第一方面的实施例提供了一种像素排布结构,像素排布结构包括沿第一方向和第二方向成行成列排布的多个像素单元,像素单元包括:第一像素组,包括沿第一方向分布的第一子像素和第二子像素,第一子像 素具有多个第一开口边,第二子像素具有多个第二开口边;第二像素组,位于第一像素组在第二方向上的一侧,第二像素组包括沿第一方向分布的两个第三子像素,且其中一个第三子像素对应于第一子像素和第二子像素之间设置,第三子像素具有相对设置的两条第三开口边和相对设置的两条第四开口边,其中,沿第二方向相邻的两行像素单元错位设置,第一子像素和第二子像素沿第二方向交替排布,两个第一子像素和两个第二子像素环绕于第三子像素的周侧交替排布,且两个第三开口边分别与两个第一子像素的其中一条第一开口边重叠设置,两个第四开口边分别与两个第二子像素的其中一条第二开口边重叠设置。
本申请第二方面还提供一种掩膜组件,掩膜组件用于蒸镀形成上述任一第一方面实施例的像素排布结构,掩膜组件包括:
第一掩膜板,第一掩膜板包括与第一子像素相适配的第一掩膜开口;
第二掩膜板,第二掩膜板包括与第二子像素相适配的第二掩膜开口;
第三掩膜板,第三掩膜板包括与第三子像素相适配的第三掩膜开口。
本申请第三方面还提供一种显示面板,显示面板包括上述任一第一方面实施例的像素排布结构。
在本申请的像素排布结构中,像素排布结构包括像素单元,像素单元包括第一像素组和第二像素组。两个第一子像素和两个第二子像素环绕于第三子像素的周侧交替排布,能够减小第一子像素、第二子像素与第三子像素之间的间距,使得形成一个白光的第一子像素、第二子像素和第三子像素之间的间距更近,能够提高显示效果。此外,两个第三开口边分别与两个第一子像素的其中一条第一开口边重叠设置,两个第四开口边分别与两个第二子像素的其中一条第二开口边重叠设置。能进一步减小能够减小第一子像素、第二子像素与第三子像素之间的间距,提高像素开口率和显示效果。
附图说明
通过阅读以下参照附图对非限制性实施例所作的详细描述,本申请的其它特征、目的和优点将会变得更明显,其中,相同或相似的附图标记表 示相同或相似的特征。
图1是本申请第一方面实施例提供的一种像素排布结构中像素单元的结构示意图;
图2是本申请第一方面实施例提供的一种像素排布结构的结构示意图;
图3是本申请第一方面实施例提供的一种像素排布结构的第一子像素的结构示意图;
图4是本申请第一方面实施例提供的一种像素排布结构的第二子像素的结构示意图;
图5是本申请第一方面实施例提供的一种像素排布结构的第三子像素的结构示意图;
图6是本申请第一方面实施例提供的一种像素排布结构的局部结构示意图;
图7是本申请第一方面另一实施例提供的一种像素排布结构中像素单元的结构示意图;
图8是本申请第一方面另一实施例提供的一种像素排布结构的结构示意图;
图9是本申请第四方面实施例提供的一种掩膜组件的第一掩膜板的结构示意图;
图10是本申请第四方面实施例提供的一种掩膜组件的第二掩膜板的结构示意图;
图11是本申请第四方面实施例提供的一种掩膜组件的第三掩膜板的结构示意图。
具体实施方式
下面将详细描述本申请的各个方面的特征和示例性实施例。在下面的详细描述中,提出了许多具体细节,以便提供对本申请的全面理解。但是,对于本领域技术人员来说很明显的是,本申请可以在不需要这些具体细节中的一些细节的情况下实施。下面对实施例的描述仅仅是为了通过示出本申请的示例来提供对本申请的更好的理解。在附图和下面的描述中,至少 部分的公知结构和技术没有被示出,以便避免对本申请造成不必要的模糊;并且,为了清晰,可能夸大了部分结构的尺寸。此外,下文中所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。
为了更好地理解本申请,下面结合图1至图11根据本申请实施例的像素排布结构、掩膜组件、显示面板和电子设备进行详细描述。
请一并参阅图1和图2,图1为本申请实施例提供的一种像素排布结构中像素单元100的结构示意图,图2为本申请实施例提供的一种像素排布结构的结构示意图。
根据本申请实施例提供的像素排布结构,像素排布结构包括多个子像素,多个子像素组合形成像素单元100,像素单元100平移重复形成像素排布结构。子像素例如包括第一子像素110、第二子像素120和第三子像素130。
在一些实施例中,像素排布结构包括沿第一方向和第二方向成行成列排布的多个像素单元100,像素单元100包括:第一像素组101,包括沿第一方向分布的第一子像素110和第二子像素120,第一子像素110具有多个第一开口边111,第二子像素120具有多个第二开口边121;第二像素组102,位于第一像素组101在第二方向上的一侧,第二像素组102包括沿第一方向分布的两个第三子像素130,且其中一个第三子像素130对应于第一子像素110和第二子像素120之间设置,第三子像素130具有相对设置的两条第三开口边131和相对设置的两条第四开口边132,其中,沿第二方向相邻的两行像素单元100错位设置,第一子像素110和第二子像素120沿第二方向交替排布,两个第一子像素110和两个第二子像素120环绕于第三子像素130的周侧交替排布,且两个第三开口边131分别与两个第一子像素110的其中一条第一开口边111重叠设置,两个第四开口边132分别与两个第二子像素120的其中一条第二开口边121重叠设置。
第一方向和第二方向的设置方式有多种,第一方向和第二方向可以以任意预设角度相交设置。在一些可选的实施例中,第一方向和第二方向之间的夹角呈90度,如图1中所示的X轴(第一方向)和Y轴(第二方向),因此各第一子像素110、第二子像素120和第三子像素130可以沿水平和竖 直方向横平竖直的排布,结构简单,制造方便。
在本申请的像素排布结构中,像素排布结构包括像素单元100,像素单元100包括第一像素组101和第二像素组102。两个第一子像素110和两个第二子像素120环绕于第三子像素130的周侧交替排布,能够减小第一子像素110、第二子像素120与第三子像素130之间的间距,使得形成白光的相邻第一子像素110、第二子像素120和第三子像素130之间的间距更近,能够提高显示效果。此外,能够避免第一子像素110、第二子像素120和第三子像素130在第一方向上形成明显的显示条纹,进一步提高显示效果。
在本申请实施例中,两个第三开口边131分别与两个第一子像素110的其中一条第一开口边111重叠设置,两个第四开口边132分别与两个第二子像素120的其中一条第二开口边121重叠设置。在利用不同的掩膜板依次分别蒸镀形成第一子像素110、第二子像素120和第三子像素130时,用于蒸镀第一子像素110的掩膜开口与用于蒸镀第三子像素130的掩膜开口边缘重叠。一方面蒸镀形成的第一子像素110的发光材料边缘与蒸镀形成的第三子像素130的发光材料边缘不会交叠,不会引起颜色串扰。另一方面还能够进一步减小能够减小第一子像素110、第二子像素120与第三子像素130之间的间距,提高像素开口率和显示效果。
各子像素均包括发光材料区域和位于发光材料区域内的像素区域。发光材料区域为利用掩膜板蒸镀形成子像素时掩膜板上掩膜开口所对应的区域,即发光材料区域的尺寸与掩膜开口的尺寸相等,发光材料区域内蒸镀有发光材料。像素区域为像素定义层上像素开口的尺寸,像素区域对应于显示面板的像素电极。在显示面板发光过程中,像素电极驱动像素区域内的发光材料进行发光,即发光材料区域和像素区域重叠的部位发光。发光材料区域和像素区域形状相似,且发光材料区域和像素区域的中心重叠,发光材料区域的边缘不同位置至像素区域边缘不同位置的最小距离在误差范围内相等。发光材料区域具有开口边,像素区域具有像素边。
两个第三开口边131分别与两个第一子像素110的其中一条第一开口边111重叠设置:这里的“重叠设置”并不是数学几何意义上的完全重叠, 只要第三开口边131与第一子像素110的其中一条第一开口边111之间的距离在误差范围之内重叠即可。例如第三开口边131与第一子像素110的其中一条第一开口边111之间的距离足够小,在像素蒸镀过程中,蒸镀第一子像素110的掩模开口的其中一个侧边、与蒸镀第三子像素130的掩模开口的其中一个侧边可以以同一条线作为参照即可。例如第三开口边131与第一子像素110的其中一条第一开口边111之间的距离小于或等于0.1μm时,可以认为第三开口边131与该第一开口边111重叠。
两个第四开口边132分别与两个第二子像素120的其中一条第二开口边121重叠设置中的“重叠设置”同上。例如第四开口边132与第二子像素120的其中一条第二开口边121之间的距离小于或等于0.1μm时,可以认为第四开口边132与该第二开口边121重叠。
请一并参阅图3至图5,图3是本申请第一方面实施例提供的一种像素排布结构的第一子像素110的结构示意图;图4是本申请第一方面实施例提供的一种像素排布结构的第二子像素120的结构示意图;图5是本申请第一方面实施例提供的一种像素排布结构的第三子像素130的结构示意图。
第一子像素110具有第一发光材料区域112和第一像素区域113,第一发光材料区域112具有多个第一开口边111,第一开口边111包括第一子开口边111a和第二子开口边111b。可选的,第一子开口边111a和第二子开口边111b可以呈预设角度连接,或者第一子开口边111a和第二子开口边111b圆滑过渡连接。第一像素区域113的各边缘可以呈预设角度连接,或者第一像素区域113的各边缘圆滑过渡连接。
第二子像素120具有第二发光材料区域122和第二像素区域123,第二发光材料区域122具有多个第二开口边121,第二开口边121包括第三子开口边121a和第四子开口边121b。在一些可选的实施例中,第二开口边121还包括第一切角边121c。可选的,第三子开口边121a和第四子开口边121b可以呈预设角度连接,或者第三子开口边121a和第四子开口边121b圆滑过渡连接。第二像素区域123的各边缘可以呈预设角度连接,或者第二像素区域123的各边缘圆滑过渡连接。
第三子像素130具有第三发光材料区域134和第三像素区域135,第三 发光材料区域134具有第三开口边131和第四开口边132。在一些可选的实施例中,第三发光材料区域134还具有第二切角边133。可选的,第三开口边131和第四开口边132可以呈预设角度连接,或者第三开口边131和第四开口边132圆滑过渡连接。第三像素区域135的各边缘可以呈预设角度连接,或者第三像素区域135的各边缘圆滑过渡连接。
第二子像素120的多个第二开口边121是第二子像素120的发光材料区域的边缘。第一子像素110的多个第一开口边111是第一子像素110的发光材料区域的边缘。第三子像素130的第三开口边131和第四开口边132是第三子像素130的发光材料区域的边缘。
第一子像素110、第二子像素120和第三子像素130形成一个能够显示白光的像素显示单元200。图2中以虚线三角形示出像素显示单元200,虚线三角形并不构成对本申请实施例像素排布结构的结构上的限定。
在本申请的像素排布结构中,像素单元100内,第一像素组101和第二像素组102中第一子像素110、第二子像素120和第三子像素130的个数比均为1:1:2。当像素单元100沿第一方向依次排布时,第一像素组101中的第一子像素110和第二子像素120均能够被在第一方向上相邻的两个像素显示单元共用,能够提高像素排布结构形成的像素显示单元200的个数,使用较少的子像素即可模拟实现较大像素分辨率,能够提高像素排布结构的显示效果。
在一些可选的实施例中,第一子像素110为红色子像素,第二子像素120为蓝色子像素,第三子像素130为绿色子像素。或者,第一子像素110为蓝色子像素,第二子像素120为红色子像素,第三子像素130为绿色子像素。
人眼对绿色比较敏感,在这些可选的实施例中,绿色子像素的个数较多,绿色子像素没有被共用,各像素显示单元200中都包括一个完整的绿色子像素,能够保证显示的绿色不失真,提高人眼观看时的舒适度。
第三子像素130的形状设置方式有多种,可选的,如图5所示,两条第三开口边131平行设置,两条第四开口边132平行设置。
在这些可选的实施例中,当两条第三开口边131平行设置时,与该第 三开口边131重叠的、位于该第三子像素130周侧的两个第一子像素110的第一开口边111平行设置。当两条第四开口边132平行设置时,与该第四开口边132重叠的、位于该第三子像素130周侧的两个第二子像素120的第二开口边121平行设置。能进一步减小第一子像素110、第二子像素120与第三子像素130之间的间距,提高像素开口率和显示效果。
可选的,如图5所示,第三开口边131和第四开口边132的夹角为90度,使得第一子像素110、第二子像素120和第三子像素130之间的排布更加均匀。
在一些可选的实施例中,如图5所示,第三子像素130呈五边形,第三子像素130还包括连接其中一个第三开口边131和其中一个第四开口边132的第二切角边133,第二切角边133沿第二方向延伸成型。
在这些可选的实施例中,第三子像素130具有第二切角边133,且第二切角边133沿第二方向延伸成型,能够减小第三子像素130的尺寸,进而增大像素单元100中两个第三子像素130之间的间距,增大用于蒸镀第三子像素130的掩膜板的掩膜开口之间的间距,能够提高用于蒸镀第三子像素130的掩膜板的结构强度,提高第三子像素130的蒸镀精度。
在一些可选的实施例中,像素单元100内的两个第三子像素130关于沿第二方向延伸的轴线对称分布。能够进一步减小像素单元100内两个第三子像素130之间的间距,提高用于蒸镀第三子像素130的掩膜板的结构强度,提高第三子像素130的蒸镀精度。
可选的,请参阅图1和图5,像素单元100内,相邻的第三子像素130之间、并位于第三子像素130在第一方向上的一侧具有第一子像素110和/或第二子像素120,轴线经过该第二子像素120和/或第一子像素110的中心。当轴线经过该第一子像素110和/或第二子像素120的中心时,使得像素排布结构内多个子像素的排布更加均匀,像素排布结构的显色更加均匀。可选的,轴线经过该第一子像素110和第二子像素120的中心。
请参阅图6,图6是本申请第一方面实施例提供的一种像素排布结构的局部结构示意图。
在一些可选的实施例中,第三子像素130包括第三发光材料区域134 和位于第三发光材料区域134内的第三像素区域135,第三开口边131和第四开口边132为第三发光材料区域134的边缘;第三像素区域135包括与第三开口边131平行设置的两条第三像素边137、与第四开口边132平行设置的两条第四像素边138、及与第二切角边133平行设置的第二像素切角边136,第二像素切角边136两端的第三像素边137和第四像素边138的延长线构成虚拟像素夹角;
如图6所示,第二像素切角边136至虚拟像素夹角的距离Q满足如下关系式:
Q=N-(G-H)      (2)
其中,N等于相邻两个像素单元100内两个第三子像素130的第三发光材料区域134在第一方向上的第一间距d 1的一半与同一第三子像素130内第三发光材料区域134和第三像素区域135边缘之间的第二间距d 2之和,即N=d 1/2+d 2
G满足如下关系式:
Figure PCTCN2022081624-appb-000001
H满足如下关系式:
Figure PCTCN2022081624-appb-000002
综上,将式(3)和式(4)带入式(1),可以得到Q满足如下关系式:
Figure PCTCN2022081624-appb-000003
其中,d 1为像素单元100内两个第三子像素130的第三发光材料区域134在第一方向上的第一间距,d 2为同一第三子像素130内第三发光材料区域134和第三像素区域135边缘之间的第二间距,d 3为位于同一像素单元100内的两个第三子像素130之间并沿第二方向排布的不同像素单元100内的第一子像素110和第二子像素120之间的第三间距。在这些可选的实施例中,根据公式(1)可以确定第三子像素130切角的尺寸。
在一些可选的实施例中,如请继续参阅图2所示,像素排布结构形成有虚拟四边形,两个第一子像素110的中心和两个第二子像素120的中心分别位于虚拟四边形的四个顶点,单个第三子像素130位于虚拟四边形内。 图2中以点划线示意出虚拟四边形的设置位置和尺寸,点划线并不够成对本发明本申请实施例的像素排布结构的结构上的限定。本实施例中,虚拟四边形为等腰梯形,其他实施例中,虚拟四边形也可以为其他形状的四边形。本实施例中,虚拟四边形具有对角线,以虚拟四边形的对角线为对角线形成虚拟正方形,假设虚拟正方形的边长为Pi,则虚拟正方形的对角线的长度为
Figure PCTCN2022081624-appb-000004
即本实施例中的虚拟四边形的对角线的长度为
Figure PCTCN2022081624-appb-000005
本实施例中,Pi为像素尺寸,即,像素尺寸为所述虚拟正方形的边长。那么根据第一子像素110的尺寸、第二子像素120的尺寸和像素尺寸可以确定第三子像素130的尺寸。
具体的,同一第三子像素130,两条第三开口边131之间的间距
Figure PCTCN2022081624-appb-000006
其中,Pi为像素尺寸,即Pi为虚拟正方形的边长,a为第一子像素110在第四开口边132延伸方向上的尺寸;和/或,两条第四开口边132之间的间距
Figure PCTCN2022081624-appb-000007
其中,Pi为像素尺寸,即Pi为虚拟正方形的边长,b为第二子像素120在第三开口边131延伸方向上的尺寸。
当两条第三开口边131之间的间距H 1等于
Figure PCTCN2022081624-appb-000008
时,位于第三子像素130周侧的两个第一子像素110关于第三子像素130对称设置,位于第三子像素130周侧的两个第一子像素110至第三子像素130的距离相等,使得多个第一子像素110的排布更加均衡。
当两条第四开口边132之间的间距H 2等于
Figure PCTCN2022081624-appb-000009
时,位于第三子像素130周侧的两个第二子像素120关于第三子像素130对称设置,位于第三子像素130周侧的两个第二子像素120至第三子像素130的距离相等,使得多个第二子像素120的排布更加均衡。
请一并参阅图7和图8,图7是本申请第一方面另一实施例提供的一种像素排布结构中像素单元100的结构示意图;图8是本申请第一方面另一实施例提供的一种像素排布结构的结构示意图。
第一子像素110的形状设置方式有多种,在一些可选的实施例中,第一子像素110呈平行四边形,多个第一开口边111包括相互平行的两条第一子开口边111a和相互平行的两条第二子开口边111b,第一子开口边111a和第二子开口边111b相互连接形成顶角;第二子像素120呈五边形,多个 第二开口边121包括相互平行的两条第三子开口边121a、相互平行的两条第四子开口边121b、及连接其中一个第三子开口边121a和其中一个第四子开口边121b的第一切角边121c;其中,第i行的第一子像素110的其中一个顶角和第i+1行的第二子像素120的第一切角边121c抵接。
在这些可选的实施例中,第二子像素120呈五边形,且第i行的第一子像素110的其中一个顶角和第i+1行的第二子像素120的第一切角边121c抵接,能够减小第i行的第一子像素110和第i+1行的第二子像素120的间距,且能够避免第i行的第一子像素110和第i+1行的第二子像素120发生交叠,同时提高像素开口率。
可选的,对应的第一子开口边111a和第二子开口边111b之间的夹角与第三子开口边121a和第四子开口边121b之间的夹角相等。
其中,“对应的”是指:例如:第一子像素110的两条第一子开口边111a和两条第二子开口边111b之间呈四个顶角,这四个顶角包括两个第一顶角和两个第二顶角,两个第一顶角沿第二方向分布,两个第二顶角沿第一方向分布。那么第二子像素120的两条第三子开口边121a和两条第四子开口边121b之间呈四个顶角,这四个顶角包括两个第三顶角和两个第四顶角,两个第三顶角沿第二方向分布,两个第四顶角沿第一方向分布。且第一顶角等于第三顶角,第二顶角等于第四顶角。
可选的,第一顶角可以小于第二顶角,例如第一顶角为锐角,第二顶角为钝角。或者,第一顶角可以等于第二顶角,第一顶角和第二顶角均为直角。
在这些可选的实施例中,当第一顶角等于第三顶角,第二顶角等于第四顶角时,使得第一子像素110和第二子像素120在第一方向和第二方向上的尺寸接近,当第一子像素110和第二子像素120沿第一方向和第二方向阵列排布时,能够减小第一子像素110和第二子像素120之间的间距,提高像素开口率。
可选的,对应的第一子开口边111a和第二子开口边111b之间的夹角、第三子开口边121a和第四子开口边121b之间的夹角和第三开口边131和第四开口边132之间的夹角相等。
例如,第三子像素130包括四个顶角,这四个顶角为沿第二方向分布的两个第五顶角和沿第一方向分布的两个第六顶角,第一顶角、第三顶角和第五顶角相等,第二顶角、第四顶角和第六顶角相等。
在这些可选的实施例中,各子像素的排布更加均匀,且能够减小第一子像素110、第二子像素120和第三子像素130之间的间距,提高像素开口率。
可选的,两条第三开口边131之间的间距大于两条第四开口边132之间的间距,第i行的第二子像素120和第i+1行的第一子像素110沿第二方向间隔设置。
在这些可选的实施例中,第i行的第一子像素110和第i+1行的第二子像素120抵接,而第i行的第二子像素120和第i+1行的第一子像素110间隔分布,使得环绕于第三子像素130周侧的两个第一子像素110的中心、与两个第二子像素120的中心的连线呈梯形。
在一些可选的实施例中,如图1所示,第一子像素110呈矩形,且第二子像素120中第三子开口边121a和第四子开口边121b的夹角为90度。能够增大第一子像素110和第二子像素120的面积,使得第一子像素110和第二子像素120在像素排布结构内分布更加均匀。
可选的,如图1至图5所示,第一子像素110呈正方形,且第二子像素120中相互连接的第三子开口边121a和第四子开口边121b的长度相等。能够进一步增大第一子像素110和第二子像素120的面积,使得第一子像素110和第二子像素120在像素排布结构内分布更加均匀。
可选的,如图1和图4所示,第一切角边121c沿第一方向延伸,第i行的第一子像素110的其中一个顶角对应于第i+1行的第二子像素120的第一切角边121c的中部。使得第一子像素110和第二子像素120在第二方向上的排布更加对应,第一子像素110和第二子像素120在像素排布结构内分布更加均匀。
可选的,第一子像素110具有沿第二方向延伸的第二对角线,第i行的第一子像素110的第二对角线与第i+1的第二子像素120的第一切角边121c垂直设置。
可选的,第一子开口边111a的长度等于两个相互连接的第三子开口边121a和第四子开口边121b的长度,第二子开口边111b的长度等于两个相互连接的第三子开口边121a和第四子开口边121b的长度。在这些可选的实施例中,被共用的第一子像素110和第二子像素120的面积接近,能够保证像素排布结构颜色显示均匀。
进一步的,在一些可选的实施例中,第一子像素110的面积大于单个第三子像素130的面积;和/或,第二子像素120的面积大于单个第三子像素130的面积。
在这些可选的实施例中,被共用的子像素的面积大于未被共用的子像素的面积,能够保证像素排布结构的显示效果。由于被共用的子像素在其所形成的两个像素显示单元200显示时均需要显示,其显示次数大于未被共用的子像素,被共用的子像素的面积较大,能够提高被共用的子像素的使用寿命,进而提高整个像素排布结构的使用寿命。
可选的,第一子像素110关于沿第二方向延伸的第一轴线对称设置,第一轴线经过第一子像素110的中心;和/或,第二子像素120关于沿第二方向延伸的第二轴线对称设置,第二轴线经过第二子像素120的中心。
在一些可选的实施例中,第一子像素110对应设置有两个相互绝缘的第一阳极块,两个第一阳极块沿第一方向并排设置。
在这些可选的实施例中,两个第一阳极块相互绝缘,使得两个第一阳极块能够被独立控制。第一子像素110被在第一方向上相邻的两个像素显示单元200共用,当相邻的两个像素显示单元200中只有一者需要显示时,可以控制对应的第一阳极块运行,进而使得第一子像素110上对应部位发光,第一子像素110另一部分无需显示的部位不发光,能够提高显示精度。
在一些可选的实施例中,第二子像素120对应设置有两个相互绝缘的第二阳极块,两个第二阳极块沿第一方向并排设置。
在这些可选的实施例中,第二子像素120被在第一方向上相邻的两个像素显示单元200共用,当相邻的两个像素显示单元200中只有一者需要显示时,可以控制对应的第二阳极块运行,进而使得第二子像素120上对 应部位发光,第二子像素120另一部分无需显示的部位不发光,能够提高显示精度。
本申请第二实施例还提供一种显示面板,包括上述任一第一实施例的像素排布结构。由于本申请实施例的显示面板包括上述任一第一实施例的像素排布结构,因此本申请的显示面板具有上述任一第一实施例像素排布结构所具有的有益效果,在此不再赘述。
在一些可选的实施例中,显示面板包括显示区AA和环绕显示区AA设置的非显示区NA。在其他实施例中,显示面板还可以仅包括显示区AA而不包括非显示区NA。对显示区AA进行局部放大可知,显示面板的像素排布结构选用了上述的像素排布结构。
本申请第三方面的实施例还提供一种电子设备,包括上述的显示面板。由于本申请实施例的电子设备包括上述的显示面板,因此具有上述显示面板所具有的有益效果,在此不再赘述。
其中,电子设备的类型在此不做限定,电子设备可以是移动终端、显示器等。
如图9至图11所示,图9是本申请第四方面实施例提供的一种掩膜组件的第一掩膜板10的结构示意图;图10是本申请第四方面实施例提供的一种掩膜组件的第二掩膜板20的结构示意图;图11是本申请第四方面实施例提供的一种掩膜组件的第三掩膜板的结构示意图。
本申请第四方面的实施例还提供一种掩膜组件,掩膜组件包括:第一掩膜板10,第一掩膜板10包括与第一子像素110相适配的第一掩膜开口11;第二掩膜板20,第二掩膜板20包括与第二子像素120相适配的第二掩膜开口21;第三掩膜板30,第三掩膜板30包括与第三子像素130相适配的第三掩膜开口31。使用本申请的掩膜组件可以蒸镀形成上述任一第一方面实施例的像素排布结构。
本申请可以以其他的具体形式实现,而不脱离其精神和本质特征。例如,特定实施例中所描述的算法可以被修改,而系统体系结构并不脱离本申请的基本精神。因此,当前的实施例在所有方面都被看作是示例性的而非限定性的,本申请的范围由所附权利要求而非上述描述定义,并且,落 入权利要求的含义和等同物的范围内的全部改变从而都被包括在本申请的范围之中。

Claims (19)

  1. 一种像素排布结构,所述像素排布结构包括沿第一方向和第二方向成行成列排布的多个像素单元,所述像素单元包括:
    第一像素组,包括沿所述第一方向分布的第一子像素和第二子像素,所述第一子像素具有多个第一开口边,所述第二子像素具有多个第二开口边;
    第二像素组,位于所述第一像素组在所述第二方向上的一侧,所述第二像素组包括沿所述第一方向分布的两个第三子像素,且其中一个所述第三子像素对应于所述第一子像素和所述第二子像素之间设置,所述第三子像素具有相对设置的两条第三开口边和相对设置的两条第四开口边,
    其中,沿所述第二方向相邻的两行所述像素单元错位设置,所述第一子像素和所述第二子像素沿所述第二方向交替排布,两个所述第一子像素和两个所述第二子像素环绕于所述第三子像素的周侧交替排布,且两个所述第三开口边分别与两个所述第一子像素的其中一条所述第一开口边重叠设置,两个所述第四开口边分别与两个所述第二子像素的其中一条所述第二开口边重叠设置。
  2. 根据权利要求1所述的像素排布结构,其中,
    所述第一子像素呈平行四边形,多个所述第一开口边包括相互平行的两条第一子开口边和相互平行的两条第二子开口边,所述第一子开口边和所述第二子开口边相互连接形成顶角;
    所述第二子像素呈五边形,多个所述第二开口边包括相互平行的两条第三子开口边、相互平行的两条第四子开口边、及连接其中一个所述第三子开口边和其中一个所述第四子开口边的第一切角边;
    其中,第i行的所述第一子像素的其中一个所述顶角和第i+1行的所述第二子像素的所述第一切角边抵接。
  3. 根据权利要求2所述的像素排布结构,其中,两条所述第三开口边之间的间距大于两条所述第四开口边之间的间距,第i行的所述第二子像素和第i+1行的所述第一子像素沿所述第二方向间隔设置。
  4. 根据权利要求2所述的像素排布结构,其中,所述第一子像素呈矩形,所述第三子开口边和所述第四子开口边的夹角为90度。
  5. 根据权利要求4所述的像素排布结构,其中,所述第一子像素呈正方形,相互连接的所述第三子开口边和所述第四子开口边的长度相等。
  6. 根据权利要求2所述的像素排布结构,其中,所述第一切角边沿所述第一方向延伸,第i行的所述第一子像素的其中一个所述顶角对应于第i+1行的所述第二子像素的所述第一切角边的中部。
  7. 根据权利要求2所述的像素排布结构,其中,所述第一子像素具有沿所述第二方向延伸的第二对角线,第i行的所述第一子像素的所述第二对角线与第i+1的所述第二子像素的所述第一切角边垂直设置。
  8. 根据权利要求1所述的像素排布结构,其中,两条所述第三开口边平行设置,两条所述第四开口边平行设置。
  9. 根据权利要求8所述的像素排布结构,其中,所述第三子像素呈五边形,所述第三子像素还包括连接其中一个所述第三开口边和其中一个所述第四开口边的第二切角边,所述第二切角边沿所述第二方向延伸成型。
  10. 根据权利要求9所述的像素排布结构,其中,所述像素单元内的两个所述第三子像素关于沿所述第二方向延伸的轴线对称分布。
  11. 根据权利要求10所述的像素排布结构,其中,
    所述第三子像素包括第三发光材料区域和位于所述第三发光材料区域内的第三像素区域,所述第三开口边和所述第四开口边为所述第三发光材料区域的边缘;
    所述第三像素区域包括与所述第三开口边平行设置的两条第三像素边、与所述第四开口边平行设置的两条第四像素边、及与所述第二切角边平行设置的第二像素切角边,
    所述第二像素切角边两端的所述第三像素边和所述第四像素边的延长线构成虚拟像素夹角;
    所述第二像素切角边至所述虚拟像素夹角的距离Q满足如下关系式:
    Figure PCTCN2022081624-appb-100001
    其中,d 1为所述像素单元内两个所述第三子像素的所述第三发光材料 区域在所述第一方向上的第一间距,d 2为同一所述第三子像素内所述第三发光材料区域和所述第三像素区域边缘之间的第二间距,d 3为位于同一所述像素单元内的两个所述第三子像素之间并沿所述第二方向排布的所述第一子像素和所述第二子像素之间的第三间距。
  12. 根据权利要求8所述的像素排布结构,其中,
    两条所述第三开口边之间的间距
    Figure PCTCN2022081624-appb-100002
    其中,Pi为像素尺寸,a为所述第一子像素在所述第四开口边延伸方向上的尺寸。
  13. 根据权利要求11所述的像素排布结构,其中,所述像素排布结构形成有虚拟四边形,两个所述第一子像素的中心和两个所述第二子像素的中心分别位于所述虚拟四边形的四个顶点,所述第三子像素位于所述虚拟四边形内,以所述虚拟四边形的对角线为对角线形成虚拟正方形,所述像素尺寸为所述虚拟正方形的边长。
  14. 根据权利要求12所述的像素排布结构,其中,所述虚拟四边形为等腰梯形。
  15. 根据权利要求8所述的像素排布结构,其中,两条所述第四开口边之间的间距
    Figure PCTCN2022081624-appb-100003
    其中,Pi为像素尺寸,b为所述第二子像素在所述第三开口边延伸方向上的尺寸。
  16. 根据权利要求14所述的像素排布结构,其中,所述像素排布结构具有虚拟四边形,所述虚拟四边形的四个顶点分别位于两个所述第一子像素的中心和两个所述第二子像素的中心,所述第三子像素位于所述虚拟四边形内,以所述虚拟四边形的对角线为对角线形成虚拟正方形,所述像素尺寸为所述虚拟正方形的边长。
  17. 根据权利要求15所述的像素排布结构,其中,所述虚拟四边形为等腰梯形。
  18. 一种掩膜组件,其中,所述掩膜组件用于蒸镀形成权利要求1-16任一项所述的像素排布结构,所述掩膜组件包括:
    第一掩膜板,所述第一掩膜板包括与所述第一子像素相适配的第一掩膜开口;
    第二掩膜板,所述第二掩膜板包括与所述第二子像素相适配的第二掩 膜开口;
    第三掩膜板,所述第三掩膜板包括与所述第三子像素相适配的第三掩膜开口。
  19. 一种显示面板,其中,包括权利要求1-16任一项所述的像素排布结构。
PCT/CN2022/081624 2021-06-17 2022-03-18 像素排布结构、掩膜组件及显示面板 WO2022262343A1 (zh)

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