WO2023092678A1 - 一种显示面板及其制备方法 - Google Patents

一种显示面板及其制备方法 Download PDF

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Publication number
WO2023092678A1
WO2023092678A1 PCT/CN2021/136836 CN2021136836W WO2023092678A1 WO 2023092678 A1 WO2023092678 A1 WO 2023092678A1 CN 2021136836 W CN2021136836 W CN 2021136836W WO 2023092678 A1 WO2023092678 A1 WO 2023092678A1
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WIPO (PCT)
Prior art keywords
sub
pixel
pixels
display area
graphics
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Application number
PCT/CN2021/136836
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English (en)
French (fr)
Inventor
何超
Original Assignee
Tcl华星光电技术有限公司
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Application filed by Tcl华星光电技术有限公司 filed Critical Tcl华星光电技术有限公司
Priority to US17/622,071 priority Critical patent/US20240298492A1/en
Publication of WO2023092678A1 publication Critical patent/WO2023092678A1/zh

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
    • H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
    • H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing

Definitions

  • the present application relates to the field of display technology, in particular to a display panel and a manufacturing method thereof.
  • Organic Light Emitting Diode (English full name: Organic Light Emitting Diode, referred to as OLED) is an organic thin film electroluminescent device.
  • OLED has the advantages of easy to form flexible structure, wide viewing angle, low voltage demand, high power saving efficiency, fast response, light weight, thin thickness, simple structure, low cost, almost infinitely high contrast, low power consumption, extremely high response speed, etc. Advantages, has become one of the most important display technologies today.
  • the different arrangement directions of the display panels of different sizes may easily lead to the phenomenon that the arrangement directions of the sub-pixels are different.
  • the scanning direction of the nozzle should be perpendicular to the long side of the sub-pixel. If the scanning direction of the nozzle is parallel to the long side of the sub-pixel, the printing efficiency will be low or printing will not be possible due to printing accuracy problems.
  • an inkjet printing device 200 ′ is generally provided with a plurality of nozzles 201 ′ arranged in a row, and then moves along a scanning direction 400 ′ perpendicular to the nozzle arrangement direction 300 ′, and then utilizes a plurality of nozzles 201 'Print ink into a plurality of sub-pixels 100 at the same time'.
  • the existing sub-pixel 100' is generally rectangular.
  • the nozzle arrangement direction 300' is parallel to the short side of the sub-pixel 100', since the short side of the sub-pixel 100' is relatively small, the inkjet printing device The printing efficiency of 200' is low, even cannot be printed effectively, so the inkjet printing device 200' needs to be rotated so that the nozzle arrangement direction 300' is parallel to the long side of the sub-pixel 100' for printing. Therefore, when the sub-pixels 100' are arranged in different directions, the rotary inkjet printing device 200' is required to perform secondary printing, which reduces the production efficiency and greatly affects the overall output.
  • the object of the present invention is to provide a display panel and a preparation method thereof, which can solve the problems in the prior art that require a rotary inkjet printing device when printing sub-pixels in different alignment directions, resulting in low production efficiency and the like.
  • the present invention provides a display panel, which includes: a base layer; a plurality of dams disposed on the base layer; and a plurality of sub-pixels disposed on the base layer inside the dams, And one-to-one correspondence with the cofferdams; the graphics of each of the sub-pixels are equilateral and rectangular, and the graphics of any two sub-pixels are congruent graphics; in the first direction, any one of the sub-pixels The graphic after the pixel shift coincides with the graphic of the next sub-pixel adjacent to it; in the second direction perpendicular to the first direction, the graphic of any one of the sub-pixels rotated by 180° and the adjacent sub-pixel The pattern of the next sub-pixel overlaps; each of the sub-pixels includes a plurality of display areas, and the shape of the arrangement pattern of the display area in any one of the sub-pixels and the shape of the pattern of the sub-pixel where it is located same.
  • any two display areas located in the same sub-pixel are congruent graphics.
  • the sub-pixels are divided into: a first sub-pixel including 3 first display areas; a second sub-pixel including 3 second display areas; a third sub-pixel including 3 third display areas; The colors of the first display area, the second display area and the third display area are different from each other.
  • first display area, the second display area and the third display area are respectively one of a red display area, a green display area and a blue display area.
  • each row is arranged in the order of the first sub-pixel, the second sub-pixel, and the third sub-pixel; in the second direction, the 3n+1th row is arranged in the order of the first sub-pixel
  • the sub-pixels are arranged in the order of the second sub-pixel; the 3n+2 row is arranged in the order of the second sub-pixel and the third sub-pixel; the 3n+3 row is arranged in the order of the third sub-pixel and the first sub-pixel; where n ⁇ 0.
  • each row is arranged in the order of the first sub-pixel, the second sub-pixel, and the third sub-pixel; in the second direction, each row is arranged in the order of the first sub-pixel
  • the pixel, the second sub-pixel, and the third sub-pixel are arranged in sequence.
  • one of the first display area, one of the second display area and one of the third display area constitutes an effective pixel unit, and the figure of the effective pixel unit is an equilateral rectangular shape.
  • the present invention provides a method for manufacturing a display panel, which includes the following steps: providing a base layer; preparing a plurality of dams on the base layer; Prepare a sub-pixel above; the figure of each sub-pixel is an equilateral rectangular shape, and the figures of any two sub-pixels are congruent figures; in the first direction, any one of the sub-pixels after translation The pattern coincides with the pattern of the next adjacent sub-pixel; in the second direction perpendicular to the first direction, the pattern of any one of the sub-pixels rotated by 180° and the next adjacent sub-pixel
  • the graphics of the pixels overlap; each of the sub-pixels includes multiple display areas, and the shape of the layout graphics of the display areas in any one of the sub-pixels is the same as the shape of the graphics of the sub-pixel where it is located.
  • the step of preparing the sub-pixels in the cofferdam includes: providing an inkjet printing device, the inkjet printing device includes a plurality of nozzles arranged along a third direction; the third direction is parallel to The first direction or parallel to the second direction; moving the inkjet printing device along a fourth direction perpendicular to the third direction; Ink is sprayed on the two display areas on the right-angle sides of the three directions, and the ink extends to completely cover the sub-pixels where it is located.
  • the graphics of each sub-pixel are designed to be equilateral and right-angled, so that when the nozzle arrangement direction is parallel to any right-angled side of the sub-pixel, the inkjet printing device can realize printing, and the compatibility between the sub-pixel and the inkjet printing device is improved. It can reduce the printing difficulty of sub-pixels, and avoid the need to rotate inkjet printing equipment when printing sub-pixels with different arrangement directions in the prior art, thereby improving production efficiency and increasing overall output.
  • the present invention increases the number of display areas of the sub-pixels, increases the density of the display areas, and further improves the resolution of the display panel.
  • FIG. 1 is a schematic diagram when the nozzle arrangement direction is parallel to the short side of the sub-pixel in the prior art
  • FIG. 2 is a schematic plan view of a display panel according to Embodiment 1 of the present invention.
  • Fig. 3 is an enlarged view of the dotted box A in Fig. 2;
  • Fig. 4 is an enlarged view of the dotted box B in Fig. 2;
  • Fig. 5 is an enlarged view of the dotted box C in Fig. 2;
  • Fig. 6 is a diagram of the preparation steps of the display panel of Example 1;
  • Fig. 7 is a schematic diagram of the printing of the display area of the sub-pixel in Embodiment 1 when the third direction is parallel to the first direction;
  • FIG. 8 is a schematic diagram of printing the display area of the sub-pixel in Embodiment 1 when the third direction is parallel to the second direction;
  • FIG. 9 is a schematic plan view of a display panel according to Embodiment 2 of the present invention.
  • Fig. 10 is a schematic diagram of the printing of the display area of the sub-pixel in the embodiment 2 when the third direction is parallel to the first direction;
  • FIG. 11 is a schematic diagram of printing the display area of the sub-pixels in the second embodiment when the third direction is parallel to the second direction.
  • this embodiment provides a display panel 100 .
  • the display panel 100 includes: a base layer 1 , a plurality of banks 2 and a plurality of sub-pixels 3 .
  • the base layer 1 includes: a substrate (not shown in the figure), a buffer layer (not shown in the figure), a thin film transistor layer (not shown in the figure), a flat layer (not shown in the figure), and a plurality of pixel electrodes (not shown in the figure) and other films layer.
  • the material of substrate is one or more in glass, polyimide, polycarbonate, polyethylene terephthalate and polyethylene naphthalate, thus substrate can have better The impact resistance can effectively protect the display panel 100 .
  • the buffer layer is disposed on the substrate.
  • the material of the buffer layer can be SiOx or SiNx.
  • the buffer layer can also be a multi-layer structure film formed of SiOx and SiNx. In this way, the impact resistance of the buffer layer is improved, thereby effectively protecting the display panel 100 .
  • the thin film transistor layer includes: an active layer, a first insulating layer, a gate layer, a second insulating layer, a source and drain layer and other film layers.
  • planar layer is disposed on the surface of the thin film transistor layer away from the substrate.
  • the flat layer mainly provides a flat surface for the film layer on the flat layer.
  • a plurality of pixel electrodes are arranged at intervals on the surface of the flat layer on a side away from the substrate, and are arranged in one-to-one correspondence with the sub-pixels 3 .
  • the cofferdam 2 is arranged on the base layer 1 .
  • the bank 2 is disposed on the flat layer between two adjacent pixel electrodes.
  • the cofferdam 2 is mainly used to limit the flow range of the ink in the cofferdam 2 and prevent optical crosstalk between adjacent sub-pixels 3 .
  • the sub-pixels 3 are arranged on the base layer 1 in the bank 2 and correspond to the bank 2 one by one. That is, one sub-pixel 3 is arranged in each cofferdam 2 .
  • the graphics of each of the sub-pixels 3 are equilateral rectangular shapes, and the graphics of any two sub-pixels 3 are congruent graphics. That is, the shapes and sizes of the graphics of any two sub-pixels 3 are the same.
  • the pattern of the sub-pixel 3 includes an equilateral " ⁇ " shape and an equilateral " ⁇ " shape.
  • the graphics of each sub-pixel 3 are designed to be equilateral and right-angled, so that when the nozzle arrangement direction is parallel to any right-angled side of the sub-pixel 3, the inkjet printing device can realize printing, and the relationship between the sub-pixel 3 and the inkjet is improved.
  • the adaptability of the printing equipment reduces the difficulty of printing the sub-pixels 3 and avoids the need to rotate the inkjet printing equipment when printing the sub-pixels 3 in different arrangement directions in the prior art, thereby improving the production efficiency and increasing the overall output.
  • the shifted pattern of any one of the sub-pixels 3 coincides with the pattern of the next adjacent sub-pixel 3 .
  • the lengths of the two right-angled sides of the sub-pixel 3 are both L, and the figure of one sub-pixel 3 is translated by L along the first direction and the next sub-pixel 3 graphics overlap.
  • any two adjacent sub-pixels 3 are center-symmetric.
  • the 2m-1th sub-pixel 3 is rotated by 180° with respect to point D and the adjacent 2m-th sub-pixel 3 , where m ⁇ 1, m is an integer.
  • Point D is the intersection point of the diagonals of the rectangle formed by splicing two sub-pixels 3 .
  • the 2mth sub-pixel 3 is rotated by 180° with respect to the point E and the adjacent 2m+1th sub-pixel 3 , where m ⁇ 1, m is an integer.
  • Point E is the midpoint of the boundary line between two sub-pixels 3 .
  • each of the sub-pixels 3 includes a plurality of display areas 4, and the shape of the arrangement pattern of the display areas 4 in any one of the sub-pixels 3 and the pattern of the sub-pixel 3 where it is located of the same shape. That is, when the pattern of the sub-pixel 3 is an equilateral " ⁇ " shape, the multiple display areas 4 inside it are also arranged in an equilateral " ⁇ ” shape; when the pattern of the sub-pixel 3 is an equilateral " ⁇ " shape, ” shape, a plurality of display areas 4 inside it are also arranged in an equilateral “ ⁇ ” shape.
  • the number of display areas 4 of the sub-pixel 3 is increased, and the density of the display area 4 is increased, and three display areas 4 can be printed by printing one sub-pixel, thereby improving the resolution of the display panel 100 .
  • the graphics of any two display areas 4 located in the same sub-pixel 3 are congruent graphics.
  • the colors of any two display areas 4 located in the same sub-pixel 3 are the same.
  • the sub-pixel 3 is divided into: a first sub-pixel 31 , a second sub-pixel 32 and a third sub-pixel 33 .
  • the first sub-pixel 31 includes three first display areas 41; the second sub-pixel 32 includes three second display areas 42; the third sub-pixel 33 includes three third display areas 43; the first display area 41.
  • the colors of the second display area 42 and the third display area 43 are different from each other.
  • the first display area 41 , the second display area 42 and the third display area 43 are respectively one of a red display area, a green display area and a blue display area.
  • the first display area 41 is a red display area
  • the corresponding first sub-pixel 31 is a red sub-pixel
  • the second display area 42 is a green display area
  • the corresponding second sub-pixel 32 is a green
  • the third display area 43 is a blue display area
  • the corresponding third sub-pixel 33 is a blue sub-pixel.
  • each row is arranged in the order of the first sub-pixel 31 , the second sub-pixel 32 and the third sub-pixel 33 in the first direction.
  • the 3n+1 row is arranged in the order of the first sub-pixel 31 and the second sub-pixel 32; the 3n+2 row is arranged in the order of the second sub-pixel 32, The order of the third sub-pixels 33 is arranged; the 3n+3th row is arranged in the order of the third sub-pixels 33 and the first sub-pixels 31; wherein n ⁇ 0, n is an integer.
  • the first row is arranged in the order of the first sub-pixel 31 and the second sub-pixel 32; the second row is arranged in the order of the second sub-pixel 32 and the third sub-pixel 33; the third row is arranged in the order of the second sub-pixel 32
  • the three sub-pixels 33 and the first sub-pixel 31 are arranged in sequence.
  • one said first display area 41, one said second display area 42 and one said third display area 43 form an effective pixel unit 5, and the figure of said effective pixel unit 5 is an equilateral rectangular shape.
  • the graphics of the sub-pixel 3 include equilateral " ⁇ " shape and equilateral " ⁇ ” shape, so in this embodiment, the graphics of the effective pixel unit 5 include equilateral " ⁇ " shape and Equilateral " ⁇ ” shape.
  • the pattern of the sub-pixel 3 includes an equilateral " ⁇ ” shape and an equilateral " ⁇ ” shape
  • the pattern of the effective pixel unit 5 includes an equilateral " ⁇ " shape and an equilateral " ⁇ ” shape.
  • this embodiment also provides a method for preparing the display panel 100 of this embodiment, which includes the following steps: S1, providing a base layer 1; S2, preparing a plurality of cofferdams on the base layer 1 2; S3, preparing a sub-pixel 3 on the base layer 1 in each bank 2.
  • the base layer 1 in S1 includes: a substrate (not shown in the figure), a buffer layer (not shown in the figure), a thin film transistor layer (not shown in the figure), a flat layer (not shown in the figure), and a plurality of pixel electrodes (not shown in the figure), etc. film layer.
  • S3 specifically includes: providing an inkjet printing device 200, the inkjet printing device 200 including a plurality of nozzles 201 arranged along a third direction; the third direction is parallel to the first direction or parallel to the second direction; the inkjet printing device 200 is moved along the fourth direction perpendicular to the third direction; two displays on the right-angled side parallel to the third direction of each sub-pixel 3 Ink is sprayed at the area 4, and the ink extends to completely cover the sub-pixel 3 where it is located.
  • the nozzles 201 are arranged along a third direction parallel to the first direction, and the inkjet printing device 200 moves along a fourth direction parallel to the second direction. Ink is sprayed on the two display areas 4 on the right-angle sides of the third direction. Utilizing the wettability of the ink, the ink extends to completely cover the sub-pixel 3 where it is located.
  • the nozzles 201 are arranged along a third direction parallel to the second direction, and the inkjet printing device 200 moves along a fourth direction parallel to the first direction. Ink is sprayed on the two display areas 4 on the right-angle sides of the third direction. Utilizing the wettability of the ink, the ink extends to completely cover the sub-pixel 3 where it is located.
  • the graphics of each sub-pixel 3 are designed to be equilateral and right-angled, so that when the nozzle arrangement direction is parallel to any right-angled side of the sub-pixel 3, the inkjet printing device 200 can realize printing and improve the sub-pixel 3
  • Compatibility with the inkjet printing device 200 reduces the difficulty of printing sub-pixels 3 and avoids the need to rotate the inkjet printing device 200 when printing sub-pixels 3 in different alignment directions in the prior art, thereby improving production efficiency and increasing overall production out.
  • the present invention increases the number of display areas 4 of the sub-pixels 3 , increases the density of the display areas 4 , and further improves the resolution of the display panel 100 .
  • this embodiment includes most of the technical features of Embodiment 1.
  • Embodiment 2 in the first direction, each row is A sub-pixel 31, a second sub-pixel 32, and a third sub-pixel 33 are arranged in order; in the second direction, each row is arranged according to the first sub-pixel 31, the second sub-pixel 32, and the third sub-pixel 33 sorted in order.
  • the nozzles 201 are arranged along a third direction parallel to the first direction, and the inkjet printing device 200 moves along a fourth direction parallel to the second direction. Ink is sprayed on the two display areas 4 on the right-angle sides of the third direction. Utilizing the wettability of the ink, the ink extends to completely cover the sub-pixel 3 where it is located.
  • the nozzles 201 are arranged along the third direction parallel to the second direction, the inkjet printing device 200 moves along the fourth direction parallel to the first direction, and the parallel in each sub-pixel 3 Ink is sprayed on the two display areas 4 on the right-angle sides of the third direction. Utilizing the wettability of the ink, the ink extends to completely cover the sub-pixel 3 where it is located.
  • the graphics of each sub-pixel 3 are designed to be equilateral and right-angled, so that when the nozzle arrangement direction is parallel to any right-angled side of the sub-pixel 3, the inkjet printing device 200 can realize printing and improve the sub-pixel 3
  • Compatibility with the inkjet printing device 200 reduces the difficulty of printing sub-pixels 3 and avoids the need to rotate the inkjet printing device 200 when printing sub-pixels 3 in different alignment directions in the prior art, thereby improving production efficiency and increasing overall production out.
  • the present invention increases the number of display areas 4 of the sub-pixels 3 , increases the density of the display areas 4 , and further improves the resolution of the display panel 100 .

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  • Manufacturing & Machinery (AREA)
  • Electroluminescent Light Sources (AREA)
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Abstract

一种显示面板（100）及其制备方法。显示面板（100）包括：基底层（1）、多个围堰（2）以及多个子像素（3）。将每一个子像素（3）的图形设计成等边直角形，使得喷嘴（201）排列方向平行于子像素（3）的任意一条直角边时，喷墨打印设备（200）均能实现打印，提升子像素（3）与喷墨打印设备（200）的适配性，降低子像素（3）的打印难度。

Description

一种显示面板及其制备方法 技术领域
本申请涉及显示技术领域，具体涉及一种显示面板及其制备方法。
 背景技术
有机发光二极管(英文全称：Organic Light Emitting Diode，简称OLED)是一种有机薄膜电致发光器件。OLED具有易形成柔性结构、广视角、电压需求低、省电效率高、反应快、重量轻、厚度薄，构造简单，成本低、几乎无穷高的对比度、较低耗电、极高反应速度等优点，已经成为当今最重要的显示技术之一。
随着显示面板的精细化程度的提高，越高的精度要求和越小的喷墨体积对喷墨打印设计提出了更高的挑战。为提升基板利用率，现如今的基板设计多采用套切技术(英文全称：Mutil Moudel Group，简称MMG)来改善这一缺陷，即将不同尺寸的两类显示面板混合设计在同一基板上。
 技术问题
其中，不同尺寸的显示面板的排列方向不同易导致子像素的排列方向不同的现象。而打印过程中喷头扫描方向应该垂直于子像素长边方向，若喷头扫描方向平行于子像素长边方向，则会导致打印效率低下或因打印精度问题无法打印等。
如图1所示，喷墨打印设备200’上一般设有多个排成一排的喷嘴201’，然后沿着垂直于喷嘴排列方向300’的扫描方向400’移动，进而利用多个喷嘴201’同时将墨水打印至多个子像素100’内。
如图1所示，现有的子像素100’一般为长方形，当喷嘴排列方向300’平行于子像素100’的短边时，由于子像素100’的短边长度较小，喷墨打印设备200'的打印效率低下，甚至于无法有效打印，因此需要旋转喷墨打印设备200’，使得喷嘴排列方向300’平行于所述子像素100’的长边进行打印。因此在子像素100’排列方向不同时，需要旋转喷墨打印设备200’进行二次打印，生产效率低下，极大影响整体产出。
 技术解决方案
本发明的目的是提供一种显示面板及其制备方法，其能够解决现有技术中打印不同排列方向的子像素时需要旋转喷墨打印设备，导致生产效率低下等问题。
为了解决上述问题，本发明提供了一种显示面板，其包括：基底层；多个围堰，设置于所述基底层上；以及多个子像素，设置于所述围堰内的基底层上，且与所述围堰一一对应；每一所述子像素的图形均为等边直角形，任意两个所述子像素的图形为全等图形；在第一方向上，任意一个所述子像素平移后的图形和与之相邻的下一个子像素的图形重合；在垂直于所述第一方向的第二方向上，任意一个所述子像素旋转180°后的图形和与之相邻的下一个子像素的图形重合；每一所述子像素包括多个显示区，任意一个所述子像素内的所述显示区的排布图形的形状与其所在的所述子像素的图形的形状相同。
进一步的，位于同一个所述子像素内的任意两个所述显示区的图形为全等图形。
进一步的，位于同一个所述子像素内的任意两个所述显示区的颜色相同。
进一步的，所述子像素分为：第一子像素，包括3个第一显示区；第二子像素，包括3个第二显示区；第三子像素，包括3个第三显示区；所述第一显示区、第二显示区以及第三显示区的颜色互不相同。
进一步的，所述第一显示区、第二显示区以及第三显示区分别为红色显示区、绿色显示区以及蓝色显示区中的一种。
进一步的，在所述第一方向上，每一排均按照第一子像素、第二子像素、第三子像素的顺序排列；在所述第二方向上，第3n+1排按照第一子像素、第二子像素的顺序排列；第3n+2排按照第二子像素、第三子像素的顺序排列；第3n+3排按照第三子像素、第一子像素的顺序排列；其中n≥0。
进一步的，在所述第一方向上，每一排均按照第一子像素、第二子像素、第三子像素的顺序排列；在所述第二方向上，每一排均按照第一子像素、第二子像素、第三子像素的顺序排列。
进一步的，一个所述第一显示区、一个所述第二显示区以及一个所述第三显示区组成一个有效像素单元，所述有效像素单元的图形为等边直角形。
为了解决上述问题，本发明提供了一种显示面板的制备方法，其包括以下步骤：提供一基底层；在所述基底层上制备多个围堰；在每一所述围堰内的基底层上制备一个子像素；每一所述子像素的图形均为等边直角形，任意两个所述子像素的图形为全等图形；在第一方向上，任意一个所述子像素平移后的图形和与之相邻的下一个子像素的图形重合；在垂直于所述第一方向的第二方向上，任意一个所述子像素旋转180°后的图形和与之相邻的下一个子像素的图形重合；每一所述子像素包括多个显示区，任意一个所述子像素内的所述显示区的排布图形的形状与其所在的所述子像素的图形的形状相同。
进一步的，在所述围堰内制备所述子像素的制备步骤包括：提供一喷墨打印设备，所述喷墨打印设备包括多个沿第三方向排列的喷嘴；所述第三方向平行于所述第一方向或平行于所述第二方向；将所述喷墨打印设备沿着垂直于所述第三方向的第四方向进行移动；在每一所述子像素的平行于所述第三方向的直角边上的两个显示区处喷打墨水，所述墨水延伸至全部覆盖其所在的子像素。
 有益效果
本发明将每一个子像素的图形设计成等边直角形，使得喷嘴排列方向平行于子像素的任意一条直角边时，喷墨打印设备均能实现打印，提升子像素与喷墨打印设备的适配性，降低子像素的打印难度，避免现有技术中打印不同排列方向的子像素时需要旋转喷墨打印设备，进而提升生产效率，增加整体产出。本发明增加了子像素的显示区的数量，增加了显示区的密度，进而提升显示面板的分辨率。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是现有技术中喷嘴排列方向平行于子像素的短边时的示意图；
图2是本发明的实施例1的显示面板的平面示意图；
图3是图2中的虚线框A的放大图；
图4是图2中的虚线框B的放大图；
图5是图2中的虚线框C的放大图；
图6是实施例1的显示面板的制备步骤图；
图7是第三方向平行于第一方向时的实施例1的子像素的显示区打印示意图；
图8是第三方向平行于第二方向时的实施例1的子像素的显示区打印示意图；
图9是本发明的实施例2的显示面板的平面示意图；
图10是第三方向平行于第一方向时的实施例2的子像素的显示区打印示意图；
图11是第三方向平行于第二方向时的实施例2的子像素的显示区打印示意图。
附图标记说明：
100、显示面板；                   200、喷墨打印设备；
201、喷嘴；
1、基底层；                         2、围堰；
3、子像素；                       4、显示区；
31、第一子像素；                  32、第二子像素；
33、第三子像素；
41、第一显示区；                  42、第二显示区；
43、第三显示区。
 本发明的实施方式
以下结合说明书附图详细说明本发明的优选实施例，向本领域中的技术人员完整介绍本发明的技术内容，举例证明本发明可以实施。更加清楚的公开本发明的技术内容，使得本领域的技术人员更容易理解本发明。本发明可以通过许多不同形式的实施例来得以体现，本发明的保护范围并非仅限于文中提到的实施例，下文实施例的说明并非用来限制本发明的范围。
本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是附图中的方向，本文所使用的方向用语是用来解释和说明本发明，而不是用来限定本发明的保护范围。
在附图中，结构相同的部件以相同数字标号表示，各处结构或功能相似的组件以相似数字标号表示。此外，为了便于理解和描述，附图所示的每一组件的尺寸和厚度是任意示出的，本发明并没有限定每个组件的尺寸和厚度。
实施例1
如图2所示，本实施例提供了一种显示面板100。所述显示面板100包括：基底层1、多个围堰2及多个子像素3。
其中，基底层1包括：基板（图未示）、缓冲层（图未示）、薄膜晶体管层（图未示）、平坦层（图未示）以及多个像素电极（图未示）等膜层。
其中，基板的材质为玻璃、聚酰亚胺、聚碳酸酯、聚对苯二甲酸乙二醇酯以及聚萘二甲酸乙二醇酯中的一种或多种，由此基板可具有较好的抗冲击能力，可以有效保护显示面板100。
其中，缓冲层设置于基板上。缓冲层的材质可以是SiOx，也可以是SiNx。缓冲层也可以是SiOx与SiNx形成的多层结构薄膜。由此提升缓冲层的抗冲击能力，进而有效保护显示面板100。
其中薄膜晶体管层包括：有源层、第一绝缘层、栅极层、第二绝缘层、源漏极层等膜层。
其中，平坦层设置于薄膜晶体管层远离基板的一侧的表面上。平坦层主要是为平坦层上的膜层提供平整的表面。
其中，多个像素电极相互间隔设置于平坦层远离基板的一侧的表面上，且与所述子像素3一一对应设置。
其中，围堰2设置于所述基底层1上。具体的，围堰2设置于相邻两个像素电极之间的平坦层上。围堰2主要用于限制围堰2内的墨水的流动范围，防止相邻的子像素3之间发生光串扰现象。
其中，子像素3设置于所述围堰2内的基底层1上，且与所述围堰2一一对应。即每一所述围堰2内均设有一个子像素3。
如图2所示，每一所述子像素3的图形均为等边直角形，任意两个所述子像素3的图形为全等图形。即任意两个所述子像素3的图形的形状、大小均相同。本实施例中，所述子像素3的图形包括等边“┗”形和等边“┓”形。
本实施例将每一个子像素3的图形设计成等边直角形，使得喷嘴排列方向平行于子像素3的任意一条直角边时，喷墨打印设备均能实现打印，提升子像素3与喷墨打印设备的适配性，降低子像素3的打印难度，避免现有技术中打印不同排列方向的子像素3时需要旋转喷墨打印设备，进而提升生产效率，增加整体产出。
如图2所示，在第一方向上，任意一个所述子像素3平移后的图形和与之相邻的下一个子像素3的图形重合。
如图3所示，本实施例中，所述子像素3的两条直角边的长度均为L，一个所述子像素3的图形沿着第一方向平移L后和下一个所述子像素3的图形重合。
如图2所示，在垂直于所述第一方向的第二方向上，任意一个所述子像素3旋转180°后的图形和与之相邻的下一个子像素3的图形重合。即，在第二方向上，任意两个相邻的子像素3呈中心对称。
如图2、图4所示，本实施例中，在第二方向上，第2m-1个所述子像素3关于点D旋转180°后的图形和与之相邻的第2m个子像素3的图形重合，其中，m≥1，m 为整数。点D为两个子像素3拼接形成的矩形的对角线的交点。
如图2、图5所示，本实施例中，在第二方向上，第2m个所述子像素3关于点E旋转180°后的图形和与之相邻的第2m+1个子像素3的图形重合，其中，m≥1，m 为整数。点E为两个子像素3的交界线的中点。
如图2所示，每一所述子像素3包括多个显示区4，任意一个所述子像素3内的所述显示区4的排布图形的形状与其所在的所述子像素3的图形的形状相同。即，当所述子像素3的图形为等边“┗”形时，其内部的多个显示区4也排列成等边“┗”形；当所述子像素3的图形为等边“┓”形时，其内部的多个显示区4也排列成等边“┓”形。
本实施例增加了子像素3的显示区4的数量，增加了显示区4的密度，打印一个子像素即可打印3个显示区4，提升了显示面板100的分辨率。
如图2所示，位于同一个所述子像素3内的任意两个所述显示区4的图形为全等图形。位于同一个所述子像素3内的任意两个所述显示区4的颜色相同。
如图2所示，本实施例中，所述子像素3分为：第一子像素31、第二子像素32以及第三子像素33。
其中，第一子像素31包括3个第一显示区41；第二子像素32包括3个第二显示区42；第三子像素33包括3个第三显示区43；所述第一显示区41、第二显示区42以及第三显示区43的颜色互不相同。
其中，所述第一显示区41、第二显示区42以及第三显示区43分别为红色显示区、绿色显示区以及蓝色显示区中的一种。本实施例中，所述第一显示区41为红色显示区，对应的第一子像素31为红色子像素；所述第二显示区42为绿色显示区，对应的第二子像素32为绿色子像素；所述第三显示区43为蓝色显示区，对应的第三子像素33为蓝色子像素。
如图2所示，本实施例中，在第一方向上，每一排均按照第一子像素31、第二子像素32、第三子像素33的顺序排列。
如图2所示，本实施例中，在第二方向上，第3n+1排按照第一子像素31、第二子像素32的顺序排列；第3n+2排按照第二子像素32、第三子像素33的顺序排列；第3n+3排按照第三子像素33、第一子像素31的顺序排列；其中n≥0，n为整数。
例如n=0时，即第1排按照第一子像素31、第二子像素32的顺序排列；第2排按照第二子像素32、第三子像素33的顺序排列；第3排按照第三子像素33、第一子像素31的顺序排列。
如图2所示，一个所述第一显示区41、一个所述第二显示区42以及一个所述第三显示区43组成一个有效像素单元5，所述有效像素单元5的图形为等边直角形。由于本实施例中，所述子像素3的图形包括等边“┗”形和等边“┓”形，所以本实施例中，所述有效像素单元5的图形包括等边“┗”形和等边“┓”形。其他实施例中，当所述子像素3的图形包括等边“┏”形和等边“┛”形时，有效像素单元5的图形包括等边“┏”形和等边“┛”形。
如图6所示，本实施例还提供了本实施例的显示面板100的制备方法，其包括以下步骤：S1，提供一基底层1；S2，在所述基底层1上制备多个围堰2；S3，在每一所述围堰2内的基底层1上制备一个子像素3。
S1中的基底层1包括：基板（图未示）、缓冲层（图未示）、薄膜晶体管层（图未示）、平坦层（图未示）以及多个像素电极（图未示）等膜层。
S3具体包括：提供一喷墨打印设备200，所述喷墨打印设备200包括多个沿第三方向排列的喷嘴201；所述第三方向平行于所述第一方向或平行于所述第二方向；将所述喷墨打印设备200沿着垂直于所述第三方向的第四方向进行移动；在每一所述子像素3的平行于所述第三方向的直角边上的两个显示区4处喷打墨水，所述墨水延伸至全部覆盖其所在的子像素3。
如图7所示，喷嘴201沿着平行于第一方向的第三方向排列，喷墨打印设备200沿着平行于第二方向的第四方向移动，在每一所述子像素3内的平行于第三方向的直角边上的两个显示区4处喷打墨水。利用墨水的浸润性，墨水延伸至全部覆盖其所在的子像素3。
如图8所示，喷嘴201沿着平行于第二方向的第三方向排列，喷墨打印设备200沿着平行于第一方向的第四方向移动，在每一所述子像素3内的平行于第三方向的直角边上的两个显示区4处喷打墨水。利用墨水的浸润性，墨水延伸至全部覆盖其所在的子像素3。
综上，本实施例将每一个子像素3的图形设计成等边直角形，使得喷嘴排列方向平行于子像素3的任意一条直角边时，喷墨打印设备200均能实现打印，提升子像素3与喷墨打印设备200的适配性，降低子像素3的打印难度，避免现有技术中打印不同排列方向的子像素3时需要旋转喷墨打印设备200，进而提升生产效率，增加整体产出。本发明增加了子像素3的显示区4的数量，增加了显示区4的密度，进而提升显示面板100的分辨率。
实施例2
如图9所示，本实施例包括了实施例1的大部分技术特征，本实施例与实施例1的区别在于：实施例2中，在所述第一方向上，每一排均按照第一子像素31、第二子像素32、第三子像素33的顺序排列；在所述第二方向上，每一排均按照第一子像素31、第二子像素32、第三子像素33的顺序排列。
如图10所示，喷嘴201沿着平行于第一方向的第三方向排列，喷墨打印设备200沿着平行于第二方向的第四方向移动，在每一所述子像素3内的平行于第三方向的直角边上的两个显示区4处喷打墨水。利用墨水的浸润性，墨水延伸至全部覆盖其所在的子像素3。
如图11所示，喷嘴201沿着平行于第二方向的第三方向排列，喷墨打印设备200沿着平行于第一方向的第四方向移动，在每一所述子像素3内的平行于第三方向的直角边上的两个显示区4处喷打墨水。利用墨水的浸润性，墨水延伸至全部覆盖其所在的子像素3。
综上，本实施例将每一个子像素3的图形设计成等边直角形，使得喷嘴排列方向平行于子像素3的任意一条直角边时，喷墨打印设备200均能实现打印，提升子像素3与喷墨打印设备200的适配性，降低子像素3的打印难度，避免现有技术中打印不同排列方向的子像素3时需要旋转喷墨打印设备200，进而提升生产效率，增加整体产出。本发明增加了子像素3的显示区4的数量，增加了显示区4的密度，进而提升显示面板100的分辨率。
以上对本申请所提供的一种显示面板及其制备方法进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (11)

  1. 一种显示面板，包括：
    基底层；
    多个围堰，设置于所述基底层上；以及
    多个子像素，设置于所述围堰内的所述基底层上，且与所述围堰一一对应；
    每一所述子像素的图形均为等边直角形，任意两个所述子像素的图形为全等图形；
    在第一方向上，任意一个所述子像素平移后的图形和与之相邻的下一个子像素的图形重合；
    在垂直于所述第一方向的第二方向上，任意一个所述子像素旋转180°后的图形和与之相邻的下一个子像素的图形重合；
    每一所述子像素包括多个显示区，任意一个所述子像素内的所述显示区的排布图形的形状与其所在的所述子像素的图形的形状相同。
  2. 根据权利要求1所述的显示面板，位于同一个所述子像素内的任意两个所述显示区的图形为全等图形。
  3. 根据权利要求2所述的显示面板，位于同一个所述子像素内的任意两个所述显示区的颜色相同。
  4. 根据权利要求3所述的显示面板，所述子像素分为：
    第一子像素，包括3个第一显示区；
    第二子像素，包括3个第二显示区；
    第三子像素，包括3个第三显示区；
    所述第一显示区、第二显示区以及第三显示区的颜色互不相同。
  5. 根据权利要求4所述的显示面板，所述第一显示区、第二显示区以及第三显示区分别为红色显示区、绿色显示区以及蓝色显示区中的一种。
  6. 根据权利要求4所述的显示面板，
    在所述第一方向上，每一排均按照第一子像素、第二子像素、第三子像素的顺序排列；
    在所述第二方向上，第3n+1排按照第一子像素、第二子像素的顺序排列；第3n+2排按照第二子像素、第三子像素的顺序排列；第3n+3排按照第三子像素、第一子像素的顺序排列；其中n≥0，n为整数。
  7. 根据权利要求4所述的显示面板，
    在所述第一方向上，每一排均按照第一子像素、第二子像素、第三子像素的顺序排列；
    在所述第二方向上，每一排均按照第一子像素、第二子像素、第三子像素的顺序排列。
  8. 根据权利要求6所述的显示面板，一个所述第一显示区、一个所述第二显示区以及一个所述第三显示区组成一个有效像素单元，所述有效像素单元的图形为等边直角形。
  9. 根据权利要求7所述的显示面板，一个所述第一显示区、一个所述第二显示区以及一个所述第三显示区组成一个有效像素单元，所述有效像素单元的图形为等边直角形。
  10. 一种显示面板的制备方法，包括以下步骤：
    提供一基底层；
    在所述基底层上制备多个围堰；
    在每一所述围堰内的基底层上制备一个子像素；每一所述子像素的图形均为等边直角形，任意两个所述子像素的图形为全等图形；在第一方向上，任意一个所述子像素平移后的图形和与之相邻的下一个子像素的图形重合；在垂直于所述第一方向的第二方向上，任意一个所述子像素旋转180°后的图形和与之相邻的下一个子像素的图形重合；每一所述子像素包括多个显示区，任意一个所述子像素内的所述显示区的排布图形的形状与其所在的所述子像素的图形的形状相同。
  11. 根据权利要求10所述的显示面板的制备方法，在所述围堰内制备所述子像素的制备步骤包括：
    提供一喷墨打印设备，所述喷墨打印设备包括多个沿第三方向排列的喷嘴；所述第三方向平行于所述第一方向或平行于所述第二方向；
    将所述喷墨打印设备沿着垂直于所述第三方向的第四方向进行移动；
    在每一所述子像素的平行于所述第三方向的直角边上的两个显示区处喷打墨水，所述墨水延伸至全部覆盖其所在的子像素。
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