WO2021056743A1 - Display panel and preparation method therefor - Google Patents

Display panel and preparation method therefor Download PDF

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Publication number
WO2021056743A1
WO2021056743A1 PCT/CN2019/117807 CN2019117807W WO2021056743A1 WO 2021056743 A1 WO2021056743 A1 WO 2021056743A1 CN 2019117807 W CN2019117807 W CN 2019117807W WO 2021056743 A1 WO2021056743 A1 WO 2021056743A1
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WO
WIPO (PCT)
Prior art keywords
light
absorbing
shielding
layer
absorbing layer
Prior art date
Application number
PCT/CN2019/117807
Other languages
French (fr)
Chinese (zh)
Inventor
王亚楠
Original Assignee
Tcl华星光电技术有限公司
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Publication of WO2021056743A1 publication Critical patent/WO2021056743A1/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133502—Antiglare, refractive index matching layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix

Definitions

  • This application relates to the field of display technology, in particular to a display panel and a preparation method thereof.
  • LCD Liquid Crystal Display
  • the screen of the display device easily reflects ambient light, which reduces the contrast of the display device.
  • the main technical problem solved by this application is that when the display device is used outdoors or in a high-brightness environment, the screen of the display device easily reflects ambient light, which reduces the contrast of the display device.
  • this application provides a display panel, including:
  • a light-absorbing layer is arranged on the substrate in a grid shape, and the light-absorbing layer is used to absorb light with a wavelength within a preset range;
  • a light-shielding layer covers the light-absorbing layer in a grid shape.
  • the light-absorbing layer includes a plurality of first light-absorbing strips and a plurality of second light-absorbing strips; a plurality of the first light-absorbing strips are arranged along a first direction, and a plurality of the second light-absorbing strips The bars are arranged along a second direction, and the first direction is perpendicular to the second direction.
  • the display panel further includes a plurality of sub-pixels; a plurality of the first light-absorbing strips and a plurality of the second light-absorbing strips are intersected to form a plurality of sub-pixel regions, each of the sub-pixels Each of the pixel areas is provided with one of the sub-pixels.
  • the light-shielding layer includes a plurality of first light-shielding bars and a plurality of second light-shielding bars, the plurality of first light-shielding bars are arranged along a first direction, and the plurality of second light-shielding bars The strips are arranged along the second direction;
  • the first light-shielding strip covers the first light-absorbing strip; the second light-shielding strip and the second light-absorbing strip in the same row In the light-absorbing strip, the second light-shielding strip covers the second light-absorbing strip.
  • the light-absorbing layer includes a first sub-light-absorbing layer and a second sub-light-absorbing layer;
  • the first sub-light-absorbing layer is arranged on the substrate
  • the second sub-light-absorbing layer is arranged on the first sub-light-absorbing layer
  • the second sub-light-absorbing layer covers the first sub-light-absorbing layer
  • the light-shielding layer is disposed on the second sub-light-absorbing layer, and the light-shielding layer covers the second sub-light-absorbing layer.
  • a plurality of nanoparticles are arranged in the sub-light-absorbing layer, and the nanoparticles are used to absorb light with a wavelength within a preset range.
  • the diameter of the nanoparticles is 10 nm to 20 nm.
  • the present application provides a method for manufacturing a display panel, including:
  • a light-shielding layer is formed on the light-absorbing layer, wherein the light-shielding layer covers the light-absorbing layer.
  • the forming a light-absorbing layer on the substrate includes:
  • a light-absorbing material is coated at the gap between the adjacent photoresist blocks to form a light-absorbing layer.
  • the forming a light-shielding layer on the light-absorbing layer includes:
  • the light-shielding material is cured, and the cured light-shielding material is patterned to form a light-shielding layer on the light-absorbing layer.
  • the beneficial effect of the present application is that the reflection of ambient light can be reduced, so the anti-reflection ability of the display panel can be improved, and the contrast of the display panel can be improved.
  • FIG. 1 is a schematic diagram of the structure of a display panel provided by this application.
  • FIG. 2 is a schematic diagram of the structure of a light-absorbing layer in the display panel shown in FIG. 1;
  • FIG. 3 is a schematic cross-sectional view of the first embodiment of the display panel shown in FIG. 1 along the AA' direction;
  • FIG. 4 is a schematic cross-sectional view of a second embodiment of the display panel shown in FIG. 1 along the A-A' direction;
  • FIG. 5 is a schematic flow chart of the method for manufacturing the display panel provided by this application.
  • FIG. 6 is a schematic diagram of the steps of the manufacturing method of the display panel provided by this application.
  • FIG. 1 is a schematic diagram of the structure of the display panel provided by this application
  • FIG. 2 is a schematic diagram of the structure of the light-absorbing layer in the display panel described in FIG. 1
  • FIG. 3 is the diagram shown in FIG. A schematic cross-sectional view of the first embodiment of the display panel along the AA' direction.
  • the present application provides a display panel 1, which includes a substrate 10, a light-absorbing layer 20 and a light-shielding layer 30.
  • the light absorbing layer 20 is arranged on the substrate 10 in a grid shape, the light absorbing layer 20 is used to absorb light with a wavelength within a preset range, and the light shielding layer 30 covers the light absorbing layer 20 in a grid shape.
  • the substrate 10 may be a flexible substrate, that is, in some embodiments, the material of the substrate 10 is polyimide (PI). Set according to the actual situation.
  • the substrate 10 may be formed with a light absorption layer 20 having a grid structure and a light shielding layer 30 having a grid structure.
  • the light-absorbing layer 20 can be used to absorb visible light, that is, the light-absorbing layer 20 is used to absorb light with a wavelength between 380 nanometers and 780 nanometers.
  • the light-shielding layer 30 can be used to divide adjacent color resists, block color gaps, and prevent light leakage or color mixing.
  • BOA BM On Array
  • COA Color The filter On Array technology is a technology in which the color resists originally prepared on the color filter substrate are prepared on the array substrate.
  • the COA technology can improve the signal delay on the metal line, provide the panel aperture ratio, and improve the display quality of the panel.
  • the material of the light shielding layer 30 may be a black resin material.
  • the light-absorbing layer 20 is provided between the light-shielding layer 30 and the substrate 10, the light-absorbing layer 20 eliminates the reflected light of the substrate 10 and reduces the reflection of ambient light. Therefore, the anti-reflection ability of the display panel 1 can be improved, thereby improving the display The contrast of panel 1.
  • the light-absorbing layer 20 includes a plurality of first light-absorbing strips 201 and a plurality of second light-absorbing strips 202.
  • the plurality of first light-absorbing strips 201 are arranged along a first direction
  • the plurality of second light-absorbing strips 202 are arranged along a second direction. It is perpendicular to the second direction.
  • the first direction is a vertical direction
  • the second direction is a horizontal direction, that is, the first direction is perpendicular to the second direction.
  • the first direction may also be a horizontal direction
  • the second direction may also be a vertical direction, which is specifically set according to actual conditions. In the figure, only the first direction is the vertical direction and the second direction is the horizontal direction.
  • the light-shielding layer 30 includes a plurality of first light-shielding strips 301 and a plurality of second light-shielding strips 302, the plurality of first light-shielding strips 301 are arranged along the first direction, and the plurality of second light-shielding strips 302 are arranged along the second direction.
  • each first light-shielding strip 301 corresponds to a first light-absorbing strip 201
  • each second light-shielding strip 302 corresponds to a second light-absorbing strip 202.
  • the first light-shielding strip 301 covers the first light-absorbing strip 201.
  • the second light-shielding strip 302 and the second light-absorbing strip 202 located in the same row covers the second light-absorbing strip 202.
  • the first light-shielding strip 301 in the nth column covers the first light-absorbing strip 201 in the nth column
  • the second light-shielding strip 302 in the nth row covers the second light-absorbing strip 202 in the nth row
  • n is greater than Or equal to 1.
  • the display panel 1 further includes a plurality of sub-pixels 51, the plurality of first light-absorbing strips 201 and the plurality of second light-absorbing strips 202 are intersected to form a plurality of sub-pixel regions 101, and each sub-pixel region 101 is provided with a sub-pixel 51.
  • the sub-pixels include a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B.
  • the light-absorbing layer 20 includes a first light-absorbing sublayer 21 and a second light-absorbing sublayer 22.
  • the first sub-light-absorbing layer 21 is disposed on the substrate 10
  • the second sub-light-absorbing layer 22 is disposed on the first sub-light-absorbing layer 21, and the second sub-light-absorbing layer 22 covers the first sub-light-absorbing layer 21.
  • the light-shielding layer 30 is disposed on the second sub-light-absorbing layer 22, and the light-shielding layer 30 covers the second sub-light-absorbing layer 22.
  • a plurality of nanoparticles 50 are arranged in the first sub-light-absorbing layer 21, and the nanoparticles 50 are used to absorb light with a wavelength within a preset range.
  • the diameter of the nanoparticle 50 is 10 to 20 nanometers.
  • a photoresist layer can be formed on the substrate 10, and then a layer of solution with nanoparticles can be coated on the photoresist layer to form a nanoparticle 50 on the substrate 10.
  • the first sub-light-absorbing layer 21 for another example, a mixed solution of nanoparticles 50 and photoresist is prepared in advance, and then the mixed solution is applied to the substrate 10.
  • the substrate 10 is cured to form a first sub-light-absorbing layer 21 with nanoparticles 50 on the substrate 10.
  • the material of the nanoparticles 50 may be indium tin oxide (Indium Tin Oxide). Oxides, ITO).
  • the selection of the photoresist and the nanoparticles 50 to mix is to allow ambient light to enter the substrate 10 for reflection, and the reflected light can pass through the first sub-light-absorbing layer 21 and generate localized surface plasmon resonance with the nanoparticles 50.
  • the material of the second sub-light absorbing layer 22 may be metal, for example, it may be silver. If the reflected light can pass through the first sub-light-absorbing layer 21 without localized surface plasmon resonance with the nanoparticle 50, the second sub-light-absorbent layer 22 can reflect the reflected light again to cause localized surface plasmon resonance with the nanoparticle 50. In order to achieve the purpose of absorbing reflected light.
  • the nanoparticles 50 in the first light-absorbing layer 21 can have local surface plasmon resonance with the reflected light, and
  • the second sub-light-absorbing layer 22 can reflect the reflected light again, causing it to have local surface plasmon resonance with the nanoparticle 50, thereby reducing the reflection of ambient light, and achieving the purpose of absorbing the reflected light, thereby improving the resistance of the display panel 1. Reflectivity, thereby improving the contrast of the display panel 1.
  • FIG. 5 is a schematic flow chart of the method for manufacturing the display panel provided by this application.
  • the present application provides a method for manufacturing a display panel, including:
  • the substrate 10 may be a flexible substrate or a rigid substrate, which is specifically set according to actual conditions.
  • a light-absorbing layer having a grid-like structure may be formed on the substrate. After the ambient light enters the interior of the substrate and is reflected, it can effectively absorb the reflected light of the ambient light while ensuring normal light emission.
  • the step of forming a light-absorbing layer on the substrate may include:
  • the photoresist layer is patterned to form a plurality of photoresist blocks arranged at intervals.
  • a light-absorbing material is coated at the gap between adjacent photoresist blocks to form a light-absorbing layer.
  • a photoresist layer is coated on the substrate, and then the photoresist layer is patterned, for example, an etching process, to form a plurality of photoresist blocks arranged at intervals on the substrate. Wherein, there is a gap between adjacent photoresist blocks. Finally, a light-absorbing material is applied to the gaps between adjacent photoresist blocks to form a light-absorbing layer with a grid-like structure.
  • a layer of light-shielding material is coated on the light-absorbing layer with a grid structure, and the light-shielding material may be a black resin material to prevent light leakage of the display panel. Then, the light-shielding material is cured, and the cured light-shielding material is etched to form a light-shielding layer with a grid structure on the light-absorbing layer.
  • FIG. 6 is a schematic diagram of the steps of the method for manufacturing the display panel provided by this application.
  • a layer of photoresist material is applied on the substrate 10 and the photoresist material is cured to form a photoresist layer 60 on the substrate 10.
  • the photoresist layer 60 may be etched to form a plurality of photoresist blocks 600 arranged at intervals on the substrate 10. Wherein, there is a gap between adjacent photoresist blocks 600.
  • a light-absorbing material is applied to the gap between adjacent photoresist blocks 600, and the light-absorbing material is cured to form a light-absorbing layer 20 having a grid-like structure on the substrate 10.
  • a solution containing nanoparticles may be applied to the gap between adjacent photoresist blocks 600, and the substrate 10 may be cured to form a first substrate 10 on the substrate 10.
  • Sub-light-absorbing layer 21 the substrate on which the first sub-light-absorbing layer 21 is formed is placed in an anion solution, and the second sub-light-absorbing layer 22 is formed on the first sub-light-absorbing layer 21 by an electro-reduction method.
  • a layer of light-shielding material is coated on the light-absorbing layer 20 with a grid structure, and finally, the light-shielding material is cured, and the cured light-shielding material is etched to form a grid-like material on the light-absorbing layer 20. Structure of the light-shielding layer 30.
  • a light-absorbing layer is provided between the substrate and the light-shielding layer.
  • the light-absorbing layer can reduce the reflection of ambient light, so the anti-reflection ability of the display panel can be improved, and the display panel can be improved. Contrast.

Abstract

Provided are a display panel and a preparation method therefor. The display panel comprises: a substrate; a light-absorbing layer, the light-absorbing layer being arranged, in a lattice shape, on the substrate; and a light-shielding layer, wherein the light-shielding layer covers, in a lattice shape, the light-absorbing layer, and the light-absorbing layer is used for absorbing light rays, the wavelength of which is within a preset range.

Description

显示面板及其制备方法Display panel and preparation method thereof 技术领域Technical field
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。This application relates to the field of display technology, in particular to a display panel and a preparation method thereof.
背景技术Background technique
随着光电与半导体技术的演进，也带动了平板显示器的蓬勃发展，而在诸多平板显示器中，液晶显示器（Liquid Crystal Display，LCD）因具有高空间利用效率、低消耗功率、无辐射以及低电磁干扰等诸多优越特性，已被应用于生产生活的各个方面。With the evolution of optoelectronics and semiconductor technology, it has also driven the vigorous development of flat panel displays. Among many flat panel displays, liquid crystal displays (Liquid Crystal Display (LCD) has been used in all aspects of production and life due to its high space utilization efficiency, low power consumption, no radiation, and low electromagnetic interference.
然而，在户外或者高亮度环境下使用显示装置时，显示装置的屏幕很容易反射环境光，降低了显示装置的对比度。However, when the display device is used outdoors or in a high-brightness environment, the screen of the display device easily reflects ambient light, which reduces the contrast of the display device.
技术问题technical problem
本申请主要解决的技术问题，在户外或者高亮度环境下使用显示装置时，显示装置的屏幕很容易反射环境光，降低了显示装置的对比度。The main technical problem solved by this application is that when the display device is used outdoors or in a high-brightness environment, the screen of the display device easily reflects ambient light, which reduces the contrast of the display device.
技术解决方案Technical solutions
第一方面，本申请提供了一种显示面板，包括：In the first aspect, this application provides a display panel, including:
基板；Substrate
吸光层，所述吸光层呈网格状设置在所述基板上，所述吸光层用于吸收波长在预设范围内的光线；以及A light-absorbing layer, the light-absorbing layer is arranged on the substrate in a grid shape, and the light-absorbing layer is used to absorb light with a wavelength within a preset range; and
遮光层，所述遮光层呈网格状覆盖所述吸光层。A light-shielding layer, the light-shielding layer covers the light-absorbing layer in a grid shape.
在本申请所提供的显示面板中，所述吸光层包括多个第一吸光条和多个第二吸光条；多个所述第一吸光条沿第一方向设置，多个所述第二吸光条沿第二方向设置，所述第一方向与第二方向垂直。In the display panel provided by the present application, the light-absorbing layer includes a plurality of first light-absorbing strips and a plurality of second light-absorbing strips; a plurality of the first light-absorbing strips are arranged along a first direction, and a plurality of the second light-absorbing strips The bars are arranged along a second direction, and the first direction is perpendicular to the second direction.
在本申请所提供的显示面板中，所述显示面板还包括多个子像素；多个所述第一吸光条与多个所述第二吸光条交叉设置形成多个子像素区，每个所述子像素区上均设有一所述子像素。In the display panel provided by the present application, the display panel further includes a plurality of sub-pixels; a plurality of the first light-absorbing strips and a plurality of the second light-absorbing strips are intersected to form a plurality of sub-pixel regions, each of the sub-pixels Each of the pixel areas is provided with one of the sub-pixels.
在本申请所提供的显示面板中，所述遮光层包括多个第一遮光条和多个第二遮光条，多个所述第一遮光条沿第一方向设置，多个所述第二遮光条沿第二方向设置；In the display panel provided in the present application, the light-shielding layer includes a plurality of first light-shielding bars and a plurality of second light-shielding bars, the plurality of first light-shielding bars are arranged along a first direction, and the plurality of second light-shielding bars The strips are arranged along the second direction;
其中，位于同一列的所述第一遮光条与所述第一吸光条中，所述第一遮光条覆盖所述第一吸光条；位于同一行的所述第二遮光条与所述第二吸光条中，所述第二遮光条覆盖所述第二吸光条。Wherein, in the first light-shielding strip and the first light-absorbing strip in the same column, the first light-shielding strip covers the first light-absorbing strip; the second light-shielding strip and the second light-absorbing strip in the same row In the light-absorbing strip, the second light-shielding strip covers the second light-absorbing strip.
在本申请所提供的显示面板中，所述吸光层包括第一子吸光层和第二子吸光层；In the display panel provided by the present application, the light-absorbing layer includes a first sub-light-absorbing layer and a second sub-light-absorbing layer;
其中，所述第一子吸光层设置在所述基板上，所述第二子吸光层设置在所述第一子吸光层上，且所述第二子吸光层覆盖所述第一子吸光层，所述遮光层设置在所述第二子吸光层上，且所述遮光层覆盖所述第二子吸光层。Wherein, the first sub-light-absorbing layer is arranged on the substrate, the second sub-light-absorbing layer is arranged on the first sub-light-absorbing layer, and the second sub-light-absorbing layer covers the first sub-light-absorbing layer , The light-shielding layer is disposed on the second sub-light-absorbing layer, and the light-shielding layer covers the second sub-light-absorbing layer.
在本申请所提供的显示面板中，所述子吸光层内设置有多个纳米颗粒，所述纳米颗粒用于吸收波长在预设范围内的光线。In the display panel provided by the present application, a plurality of nanoparticles are arranged in the sub-light-absorbing layer, and the nanoparticles are used to absorb light with a wavelength within a preset range.
在本申请所提供的显示面板中，所述纳米颗粒的直径为10纳米到20纳米。In the display panel provided by the present application, the diameter of the nanoparticles is 10 nm to 20 nm.
第二方面，本申请提供一种显示面板的制备方法，包括：In a second aspect, the present application provides a method for manufacturing a display panel, including:
提供一基板；Provide a substrate;
在所述基板形成吸光层；Forming a light-absorbing layer on the substrate;
在所述吸光层上形成遮光层，其中，所述遮光层覆盖所述吸光层。A light-shielding layer is formed on the light-absorbing layer, wherein the light-shielding layer covers the light-absorbing layer.
在本申请所提供的显示面板的制备方法中，所述在所述基板形成吸光层，包括:In the manufacturing method of the display panel provided in the present application, the forming a light-absorbing layer on the substrate includes:
在所述基板上涂敷一层光刻胶层；Coating a photoresist layer on the substrate;
对所述光刻胶层进行图案化处理，以形成多个间隔排布的光刻胶块，其中，相邻所述光刻胶块之间具有一间隙；Performing a patterning process on the photoresist layer to form a plurality of photoresist blocks arranged at intervals, wherein there is a gap between adjacent photoresist blocks;
在相邻所述光刻胶块之间的间隙处涂敷吸光材料，以形成吸光层。A light-absorbing material is coated at the gap between the adjacent photoresist blocks to form a light-absorbing layer.
在本申请所提供的显示面板的制备方法中，所述在所述吸光层上形成遮光层，包括：In the manufacturing method of the display panel provided in the present application, the forming a light-shielding layer on the light-absorbing layer includes:
在所述吸光层上涂敷遮光材料；Coating a light-shielding material on the light-absorbing layer;
固化所述遮光材料，并对固化后的所述遮光材料进行图案化处理，以在所述吸光层上形成遮光层。The light-shielding material is cured, and the cured light-shielding material is patterned to form a light-shielding layer on the light-absorbing layer.
有益效果Beneficial effect
本申请的有益效果是：能够减少环境光的反射，因此可以提高显示面板的抗反射能力，进而提高显示面板的对比度。The beneficial effect of the present application is that the reflection of ambient light can be reduced, so the anti-reflection ability of the display panel can be improved, and the contrast of the display panel can be improved.
附图说明Description of the drawings
图1为本申请提供的显示面板的结构示意图；FIG. 1 is a schematic diagram of the structure of a display panel provided by this application;
图2为图1所述的显示面板中的吸光层的结构示意图；FIG. 2 is a schematic diagram of the structure of a light-absorbing layer in the display panel shown in FIG. 1;
图3为图1所述的显示面板沿AA’方向第一种实施方式的截面示意图；3 is a schematic cross-sectional view of the first embodiment of the display panel shown in FIG. 1 along the AA' direction;
图4为图1所示的显示面板的沿A-A’方向的第二种实施方式的截面示意图；4 is a schematic cross-sectional view of a second embodiment of the display panel shown in FIG. 1 along the A-A' direction;
图5为本申请提供的显示面板的制备方法的流程示意图；FIG. 5 is a schematic flow chart of the method for manufacturing the display panel provided by this application;
图6为本申请提供的显示面板的制备方法的步骤示意图。FIG. 6 is a schematic diagram of the steps of the manufacturing method of the display panel provided by this application.
本发明的实施方式Embodiments of the present invention
下面详细描述本申请的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。The embodiments of the present application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The following embodiments described with reference to the drawings are exemplary, and are only used to explain the present application, and should not be understood as a limitation to the present application.
请参阅图1、图2以及图3,，图1为本申请提供的显示面板的结构示意图，图2为图1所述的显示面板中的吸光层的结构示意图，图3为图1所述的显示面板沿AA’方向第一种实施方式的截面示意图。Please refer to FIGS. 1, 2 and 3. FIG. 1 is a schematic diagram of the structure of the display panel provided by this application, FIG. 2 is a schematic diagram of the structure of the light-absorbing layer in the display panel described in FIG. 1, and FIG. 3 is the diagram shown in FIG. A schematic cross-sectional view of the first embodiment of the display panel along the AA' direction.
本申请提供一种显示面板1，该显示面板1包括基板10、吸光层20以及遮光层30。该吸光层20呈网格状设置在基板10上，吸光层20用于吸收波长在预设范围内的光线，遮光层30呈网格状覆盖吸光层20。The present application provides a display panel 1, which includes a substrate 10, a light-absorbing layer 20 and a light-shielding layer 30. The light absorbing layer 20 is arranged on the substrate 10 in a grid shape, the light absorbing layer 20 is used to absorb light with a wavelength within a preset range, and the light shielding layer 30 covers the light absorbing layer 20 in a grid shape.
具体的，基板10可以是柔性基板，也就是说，在一些实施例中，基板10的材质为聚酰亚胺（Polyimide，PI）。具体根据实际情况进行设定。在基板10可以形成有具有网格状结构的吸光层20以及具有网格状结构的遮光层30。吸光层20可以用于吸收可见光，即，吸光层20用于吸收波长在380纳米至780纳米的光线。遮光层30可以用于分割相邻色阻，遮挡色彩的空隙，防止漏光或者混色。而将黑色矩阵制备在阵列基板的技术叫做BOA(BM On Array)，BOA可以解决上下基板错位导致遮光区域不匹配的问题，这种对曲面显示器尤其有用。COA(Color filter On Array)技术是一种将原本制备于彩膜基板上的色阻制备在阵列基板上的技术，COA技术可以改善金属线上的信号延迟，提供面板开口率，改善面板显示品质。另外，在一些实施例中，遮光层30的材料可以为黑色树脂材料。Specifically, the substrate 10 may be a flexible substrate, that is, in some embodiments, the material of the substrate 10 is polyimide (PI). Set according to the actual situation. The substrate 10 may be formed with a light absorption layer 20 having a grid structure and a light shielding layer 30 having a grid structure. The light-absorbing layer 20 can be used to absorb visible light, that is, the light-absorbing layer 20 is used to absorb light with a wavelength between 380 nanometers and 780 nanometers. The light-shielding layer 30 can be used to divide adjacent color resists, block color gaps, and prevent light leakage or color mixing. The technology of preparing the black matrix on the array substrate is called BOA (BM On Array). BOA can solve the problem of mismatched shading areas caused by the misalignment of the upper and lower substrates, which is especially useful for curved displays. COA(Color The filter On Array technology is a technology in which the color resists originally prepared on the color filter substrate are prepared on the array substrate. The COA technology can improve the signal delay on the metal line, provide the panel aperture ratio, and improve the display quality of the panel. In addition, in some embodiments, the material of the light shielding layer 30 may be a black resin material.
例如，环境光进入到显示面板1的内部后，会在基板10内部发生反射。由于在遮光层30和基板10之间设置了吸光层20，因此，吸光层20会消除基板10的反射光，达到减少环境光的反射，因此可以提高显示面板1的抗反射能力，进而提高显示面板1的对比度。For example, after the ambient light enters the interior of the display panel 1, it will be reflected inside the substrate 10. Since the light-absorbing layer 20 is provided between the light-shielding layer 30 and the substrate 10, the light-absorbing layer 20 eliminates the reflected light of the substrate 10 and reduces the reflection of ambient light. Therefore, the anti-reflection ability of the display panel 1 can be improved, thereby improving the display The contrast of panel 1.
吸光层20包括多个第一吸光条201和多个第二吸光条202，多个第一吸光条201沿第一方向设置，多个第二吸光条202沿第二方向设置，且第一方向与第二方向垂直。比如，第一方向为竖直方向，第二方向为水平方向，也即，第一方向与第二方向垂直。当然，第一方向也可以为水平方向，第二方向也可以为竖直方向，具体根据实际情况进行设置。图中仅仅以第一方向为竖直方向以及第二方向为水平方向示例。The light-absorbing layer 20 includes a plurality of first light-absorbing strips 201 and a plurality of second light-absorbing strips 202. The plurality of first light-absorbing strips 201 are arranged along a first direction, and the plurality of second light-absorbing strips 202 are arranged along a second direction. It is perpendicular to the second direction. For example, the first direction is a vertical direction, and the second direction is a horizontal direction, that is, the first direction is perpendicular to the second direction. Of course, the first direction may also be a horizontal direction, and the second direction may also be a vertical direction, which is specifically set according to actual conditions. In the figure, only the first direction is the vertical direction and the second direction is the horizontal direction.
遮光层30包括多个第一遮光条301和多个第二遮光条302，多个第一遮光条301沿第一方向设置，多个第二遮光条302沿第二方向设置。在一些实施例中，每个第一遮光条301均对应一个第一吸光条201，每个第二遮光条302均对应一个第二吸光条202。The light-shielding layer 30 includes a plurality of first light-shielding strips 301 and a plurality of second light-shielding strips 302, the plurality of first light-shielding strips 301 are arranged along the first direction, and the plurality of second light-shielding strips 302 are arranged along the second direction. In some embodiments, each first light-shielding strip 301 corresponds to a first light-absorbing strip 201, and each second light-shielding strip 302 corresponds to a second light-absorbing strip 202.
位于同一列的第一遮光条301与第一吸光条201中，第一遮光条301覆盖第一吸光条201。位于同一行的第二遮光条302与第二吸光条202中，第二遮光条302覆盖第二吸光条202。也就是说，位于第n列的第一遮光条301覆盖位于第n列的第一吸光条201，位于第n行的第二遮光条302覆盖位于第n行的第二吸光条202，n大于或等于1。In the first light-shielding strip 301 and the first light-absorbing strip 201 located in the same row, the first light-shielding strip 301 covers the first light-absorbing strip 201. In the second light-shielding strip 302 and the second light-absorbing strip 202 located in the same row, the second light-shielding strip 302 covers the second light-absorbing strip 202. In other words, the first light-shielding strip 301 in the nth column covers the first light-absorbing strip 201 in the nth column, and the second light-shielding strip 302 in the nth row covers the second light-absorbing strip 202 in the nth row, and n is greater than Or equal to 1.
另外，显示面板1还包括多个子像素51，多个第一吸光条201和多个第二吸光条202交叉设置形成多个子像素区101，每个子像素区101上均设有一子像素51。子像素包括红色子像素R、绿色子像素G和蓝色子像素B。In addition, the display panel 1 further includes a plurality of sub-pixels 51, the plurality of first light-absorbing strips 201 and the plurality of second light-absorbing strips 202 are intersected to form a plurality of sub-pixel regions 101, and each sub-pixel region 101 is provided with a sub-pixel 51. The sub-pixels include a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B.
请参阅图4，图4为图1所示的显示面板的沿A-A’方向的第二种实施方式的截面示意图。在一些实施例中，吸光层20包括第一子吸光层21和第二子吸光层22。第一子吸光层21设置在基板10上，第二子吸光层22设置在第一子吸光层21上，且第二子吸光层22覆盖第一子吸光层21。遮光层30设置在第二子吸光层22上，且该遮光层30覆盖第二子吸光层22。Please refer to FIG. 4, which is a schematic cross-sectional view of the second embodiment of the display panel shown in FIG. 1 along the A-A' direction. In some embodiments, the light-absorbing layer 20 includes a first light-absorbing sublayer 21 and a second light-absorbing sublayer 22. The first sub-light-absorbing layer 21 is disposed on the substrate 10, the second sub-light-absorbing layer 22 is disposed on the first sub-light-absorbing layer 21, and the second sub-light-absorbing layer 22 covers the first sub-light-absorbing layer 21. The light-shielding layer 30 is disposed on the second sub-light-absorbing layer 22, and the light-shielding layer 30 covers the second sub-light-absorbing layer 22.
该第一子吸光层21内设置有多个纳米颗粒50，该纳米颗粒50用于吸收波长在预设范围内的光线。在一些实施例中，纳米颗粒50的直径为10纳米到20纳米。A plurality of nanoparticles 50 are arranged in the first sub-light-absorbing layer 21, and the nanoparticles 50 are used to absorb light with a wavelength within a preset range. In some embodiments, the diameter of the nanoparticle 50 is 10 to 20 nanometers.
具体的，比如，可以在基板10上形成一层光刻胶层，然后，可以在该光刻胶层上再涂敷一层具有纳米颗粒的溶液，以在基板10上形成具有纳米颗粒50的第一子吸光层21；又比如，预先制备纳米颗粒50与光刻胶的混合溶液，然后将该混合溶液涂敷至基板10上。接着，对该基板10进行固化处理，以基板10上形成具有纳米颗粒50的第一子吸光层21。需要说明的是，该纳米颗粒50的材料可以为氧化铟锡（Indium Tin Oxides，ITO）。还需要说明的是，选取光刻胶与纳米颗粒50混合是为了让环境光进入到基板10内反射后，反射光线能够穿过第一子吸光层21与纳米颗粒50发生局域表面等离子共振，达到吸收反射光的目的。另外，第二子吸光层22的材料可以为金属，比如，可以为银。若反射光线能够穿过第一子吸光层21没有与纳米颗粒50发生局域表面等离子共振，第二子吸光层22可以将反射光线再次反射，使其与纳米颗粒50发生局域表面等离子共振，以达到吸收反射光的目的。Specifically, for example, a photoresist layer can be formed on the substrate 10, and then a layer of solution with nanoparticles can be coated on the photoresist layer to form a nanoparticle 50 on the substrate 10. The first sub-light-absorbing layer 21; for another example, a mixed solution of nanoparticles 50 and photoresist is prepared in advance, and then the mixed solution is applied to the substrate 10. Next, the substrate 10 is cured to form a first sub-light-absorbing layer 21 with nanoparticles 50 on the substrate 10. It should be noted that the material of the nanoparticles 50 may be indium tin oxide (Indium Tin Oxide). Oxides, ITO). It should also be noted that the selection of the photoresist and the nanoparticles 50 to mix is to allow ambient light to enter the substrate 10 for reflection, and the reflected light can pass through the first sub-light-absorbing layer 21 and generate localized surface plasmon resonance with the nanoparticles 50. To achieve the purpose of absorbing reflected light. In addition, the material of the second sub-light absorbing layer 22 may be metal, for example, it may be silver. If the reflected light can pass through the first sub-light-absorbing layer 21 without localized surface plasmon resonance with the nanoparticle 50, the second sub-light-absorbent layer 22 can reflect the reflected light again to cause localized surface plasmon resonance with the nanoparticle 50. In order to achieve the purpose of absorbing reflected light.
通过基板10和遮光层30之间设置一层吸光层20，当外界的环境光照射在显示面板1时，第一吸光层21中的纳米颗粒50能够与反射光线发生局域表面等离子共振，并且，第二子吸光层22可以将反射光线再次反射，使其与纳米颗粒50发生局域表面等离子共振，从而减少环境光的反射，进而到达吸收反射光的目的，因此可以提高显示面板1的抗反射能力，进而提高显示面板1的对比度。By providing a light-absorbing layer 20 between the substrate 10 and the light-shielding layer 30, when the external ambient light irradiates the display panel 1, the nanoparticles 50 in the first light-absorbing layer 21 can have local surface plasmon resonance with the reflected light, and The second sub-light-absorbing layer 22 can reflect the reflected light again, causing it to have local surface plasmon resonance with the nanoparticle 50, thereby reducing the reflection of ambient light, and achieving the purpose of absorbing the reflected light, thereby improving the resistance of the display panel 1. Reflectivity, thereby improving the contrast of the display panel 1.
请参阅图5，图5为本申请提供的显示面板的制备方法的流程示意图。本申请提供一种显示面板的制备方法，包括：Please refer to FIG. 5. FIG. 5 is a schematic flow chart of the method for manufacturing the display panel provided by this application. The present application provides a method for manufacturing a display panel, including:
110、提供一基板。110. Provide a substrate.
具体的，基板10可以是柔性基板，也可以为刚性基板，具体根据实际情况进行设定。Specifically, the substrate 10 may be a flexible substrate or a rigid substrate, which is specifically set according to actual conditions.
120、在基板形成吸光层。120. Form a light-absorbing layer on the substrate.
为了不影响显示面板的发光，因此，可以在基板上形成具有网格状结构的吸光层。环境光进入到基板内部并反射后，在保证正常发光的情况下，可以有效地吸收环境光的反射光线。In order not to affect the light emission of the display panel, therefore, a light-absorbing layer having a grid-like structure may be formed on the substrate. After the ambient light enters the interior of the substrate and is reflected, it can effectively absorb the reflected light of the ambient light while ensuring normal light emission.
在一些实施例中，在基板形成吸光层的步骤可以包括：In some embodiments, the step of forming a light-absorbing layer on the substrate may include:
在基板上涂敷一层光刻胶层。Coating a layer of photoresist on the substrate.
对光刻胶层进行图案化处理，以形成多个间隔排布的光刻胶块。The photoresist layer is patterned to form a plurality of photoresist blocks arranged at intervals.
在相邻光刻胶块之间的间隙处涂敷吸光材料，以形成吸光层。A light-absorbing material is coated at the gap between adjacent photoresist blocks to form a light-absorbing layer.
首先，在基板上涂敷一层光刻胶层，然后对该光刻胶层进行图案化处理，比如，蚀刻处理，以在基板上形成多个间隔排布的光刻胶块。其中，相邻光刻胶块之间具有一间隙。最后，在相邻光刻胶块之间的间隙处涂敷吸光材料，以形成具有网格状结构的吸光层。First, a photoresist layer is coated on the substrate, and then the photoresist layer is patterned, for example, an etching process, to form a plurality of photoresist blocks arranged at intervals on the substrate. Wherein, there is a gap between adjacent photoresist blocks. Finally, a light-absorbing material is applied to the gaps between adjacent photoresist blocks to form a light-absorbing layer with a grid-like structure.
130、在吸光层上形成遮光层。130. Form a light-shielding layer on the light-absorbing layer.
例如，在具有网格状结构的吸光层上涂敷一层遮光材料，该遮光材料可以是黑色树脂材料，用于防止显示面板漏光。然后，对遮光材料进行固化处理，并对固化后的遮光材料进行蚀刻，以在吸光层上形成具有网格状结构的遮光层。For example, a layer of light-shielding material is coated on the light-absorbing layer with a grid structure, and the light-shielding material may be a black resin material to prevent light leakage of the display panel. Then, the light-shielding material is cured, and the cured light-shielding material is etched to form a light-shielding layer with a grid structure on the light-absorbing layer.
请参阅图6，图6为本申请提供的显示面板的制备方法的步骤示意图。首先，在基板10上涂敷一层光刻胶材料，并固化该光刻胶材料以在基板10上形成光刻胶层60。然后，可对该光刻胶层60进行蚀刻处理，以在基板10上形成多个间隔排布的光刻胶块600。其中，相邻光刻胶块600之间具有一间隙。紧接着，在相邻光刻胶块600之间的间隙处涂敷吸光材料，并对吸光材料进行固化处理，以在基板10上形成具有网格状结构的吸光层20。需要说明的是，在一些实施例中，可在相邻光刻胶块600之间的间隙处涂敷含有纳米颗粒的溶液，并对该基板10进行固化处理，以在基板10上形成第一子吸光层21。然后，将形成有第一子吸光层21的基板放置于阴离子溶液中，利用电还原法在第一子吸光层21上形成第二子吸光层22。然后，在具有网格状结构的吸光层20上涂敷一层遮光材料，最后，对遮光材料进行固化处理，并对固化后的遮光材料进行蚀刻，以在吸光,20上形成具有网格状结构的遮光层30。Please refer to FIG. 6, which is a schematic diagram of the steps of the method for manufacturing the display panel provided by this application. First, a layer of photoresist material is applied on the substrate 10 and the photoresist material is cured to form a photoresist layer 60 on the substrate 10. Then, the photoresist layer 60 may be etched to form a plurality of photoresist blocks 600 arranged at intervals on the substrate 10. Wherein, there is a gap between adjacent photoresist blocks 600. Next, a light-absorbing material is applied to the gap between adjacent photoresist blocks 600, and the light-absorbing material is cured to form a light-absorbing layer 20 having a grid-like structure on the substrate 10. It should be noted that, in some embodiments, a solution containing nanoparticles may be applied to the gap between adjacent photoresist blocks 600, and the substrate 10 may be cured to form a first substrate 10 on the substrate 10. Sub-light-absorbing layer 21. Then, the substrate on which the first sub-light-absorbing layer 21 is formed is placed in an anion solution, and the second sub-light-absorbing layer 22 is formed on the first sub-light-absorbing layer 21 by an electro-reduction method. Then, a layer of light-shielding material is coated on the light-absorbing layer 20 with a grid structure, and finally, the light-shielding material is cured, and the cured light-shielding material is etched to form a grid-like material on the light-absorbing layer 20. Structure of the light-shielding layer 30.
本申请通过在基板和遮光层之间设置一层吸光层，当外界的环境光照射在显示面板时，吸光层可以减少环境光的反射，因此可以提高显示面板的抗反射能力，进而提高显示面板的对比度。In this application, a light-absorbing layer is provided between the substrate and the light-shielding layer. When the external ambient light irradiates the display panel, the light-absorbing layer can reduce the reflection of ambient light, so the anti-reflection ability of the display panel can be improved, and the display panel can be improved. Contrast.
以上对本申请实施例提供的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。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。The display panel provided by the embodiments of the present application and the preparation method thereof are described in detail above. Specific examples are used in this article to illustrate the principles and implementations of the present application. The description of the above embodiments is only used to help understand the present application. At the same time, for those skilled in the art, according to the idea of the application, there will be changes in the specific implementation and the scope of application. In summary, the content of this specification should not be construed as a limitation to the application.

Claims (17)

  1. 一种显示面板，其包括：A display panel, which includes:
    基板；Substrate
    吸光层，所述吸光层呈网格状设置在所述基板上，所述吸光层用于吸收波长在预设范围内的光线；以及A light-absorbing layer, the light-absorbing layer is arranged on the substrate in a grid shape, and the light-absorbing layer is used to absorb light with a wavelength within a preset range; and
    遮光层，所述遮光层呈网格状覆盖所述吸光层；A light-shielding layer, the light-shielding layer covers the light-absorbing layer in a grid shape;
    其中，所述预设范围内的光线为波长在380纳米至780纳米的光线；Wherein, the light in the preset range is light with a wavelength of 380 nanometers to 780 nanometers;
    所述遮光层的材料为黑色树脂材料。The material of the light shielding layer is a black resin material.
  2. 根据权利要求1所述的显示面板，其中，所述吸光层包括多个第一吸光条和多个第二吸光条；多个所述第一吸光条沿第一方向设置，多个所述第二吸光条沿第二方向设置，所述第一方向与第二方向垂直。The display panel according to claim 1, wherein the light-absorbing layer comprises a plurality of first light-absorbing strips and a plurality of second light-absorbing strips; a plurality of the first light-absorbing strips are arranged along a first direction, and a plurality of the first light-absorbing strips The two light-absorbing strips are arranged along a second direction, and the first direction is perpendicular to the second direction.
  3. 根据权利要求2所述的显示面板，其中，所述显示面板还包括多个子像素；多个所述第一吸光条与多个所述第二吸光条交叉设置形成多个子像素区，每个所述子像素区上均设有一所述子像素。3. The display panel according to claim 2, wherein the display panel further comprises a plurality of sub-pixels; a plurality of the first light-absorbing strips and a plurality of the second light-absorbing strips are arranged to form a plurality of sub-pixel regions, each Each of the sub-pixel areas is provided with one sub-pixel.
  4. 根据权利要求3所述的显示面板，其中，所述遮光层包括多个第一遮光条和多个第二遮光条，多个所述第一遮光条沿第一方向设置，多个所述第二遮光条沿第二方向设置；The display panel according to claim 3, wherein the light shielding layer comprises a plurality of first light shielding strips and a plurality of second light shielding strips, a plurality of the first light shielding strips are arranged along a first direction, and a plurality of the first light shielding strips are arranged along a first direction. Two light-shielding bars are arranged along the second direction;
    位于同一列的所述第一遮光条与所述第一吸光条中，所述第一遮光条覆盖所述第一吸光条；位于同一行的所述第二遮光条与所述第二吸光条中，所述第二遮光条覆盖所述第二吸光条。In the first light-shielding strip and the first light-absorbing strip in the same column, the first light-shielding strip covers the first light-absorbing strip; the second light-shielding strip and the second light-absorbing strip in the same row Wherein, the second light-shielding strip covers the second light-absorbing strip.
  5. 根据权利要求1所述的显示面板，其中，所述吸光层包括第一子吸光层和第二子吸光层；The display panel of claim 1, wherein the light-absorbing layer comprises a first light-absorbing sublayer and a second light-absorbing sublayer;
    其中，所述第一子吸光层设置在所述基板上，所述第二子吸光层设置在所述第一子吸光层上，且所述第二子吸光层覆盖所述第一子吸光层，所述遮光层设置在所述第二子吸光层上，且所述遮光层覆盖所述第二子吸光层。Wherein, the first sub-light-absorbing layer is arranged on the substrate, the second sub-light-absorbing layer is arranged on the first sub-light-absorbing layer, and the second sub-light-absorbing layer covers the first sub-light-absorbing layer , The light-shielding layer is disposed on the second sub-light-absorbing layer, and the light-shielding layer covers the second sub-light-absorbing layer.
  6. 根据权利要求2所述的显示面板，其中，所述吸光层内设置有多个纳米颗粒，所述纳米颗粒用于吸收波长在预设范围内的光线。3. The display panel of claim 2, wherein a plurality of nanoparticles are provided in the light-absorbing layer, and the nanoparticles are used to absorb light with a wavelength within a preset range.
  7. 根据权利要求6所述的显示面板，其中，所述纳米颗粒的直径为10纳米到20纳米。The display panel according to claim 6, wherein the diameter of the nano particles is 10 nm to 20 nm.
  8. 一种显示面板，其包括：A display panel, which includes:
    基板；Substrate
    吸光层，所述吸光层呈网格状设置在所述基板上，所述吸光层用于吸收波长在预设范围内的光线；以及A light-absorbing layer, the light-absorbing layer is arranged on the substrate in a grid shape, and the light-absorbing layer is used to absorb light with a wavelength within a preset range; and
    遮光层，所述遮光层呈网格状覆盖所述吸光层。A light-shielding layer, the light-shielding layer covers the light-absorbing layer in a grid shape.
  9. 根据权利要求8所述的显示面板，其中，所述吸光层包括多个第一吸光条和多个第二吸光条；多个所述第一吸光条沿第一方向设置，多个所述第二吸光条沿第二方向设置，所述第一方向与第二方向垂直。8. The display panel according to claim 8, wherein the light-absorbing layer comprises a plurality of first light-absorbing strips and a plurality of second light-absorbing strips; a plurality of the first light-absorbing strips are arranged along a first direction, and a plurality of the first light-absorbing strips are arranged along a first direction. The two light-absorbing strips are arranged along a second direction, and the first direction is perpendicular to the second direction.
  10. 根据权利要求9所述的显示面板，其中，所述显示面板还包括多个子像素；多个所述第一吸光条与多个所述第二吸光条交叉设置形成多个子像素区，每个所述子像素区上均设有一所述子像素。9. The display panel according to claim 9, wherein the display panel further comprises a plurality of sub-pixels; a plurality of the first light-absorbing strips and a plurality of the second light-absorbing strips are arranged to form a plurality of sub-pixel regions, each Each of the sub-pixel areas is provided with one sub-pixel.
  11. 根据权利要求10所述的显示面板，其中，所述遮光层包括多个第一遮光条和多个第二遮光条，多个所述第一遮光条沿第一方向设置，多个所述第二遮光条沿第二方向设置；10. The display panel according to claim 10, wherein the light shielding layer comprises a plurality of first light shielding bars and a plurality of second light shielding bars, the plurality of first light shielding bars are arranged along a first direction, and the plurality of first light shielding bars Two light-shielding bars are arranged along the second direction;
    位于同一列的所述第一遮光条与所述第一吸光条中，所述第一遮光条覆盖所述第一吸光条；位于同一行的所述第二遮光条与所述第二吸光条中，所述第二遮光条覆盖所述第二吸光条。In the first light-shielding strip and the first light-absorbing strip in the same column, the first light-shielding strip covers the first light-absorbing strip; the second light-shielding strip and the second light-absorbing strip in the same row Wherein, the second light-shielding strip covers the second light-absorbing strip.
  12. 根据权利要求8所述的显示面板，其中，所述吸光层包括第一子吸光层和第二子吸光层；8. The display panel of claim 8, wherein the light-absorbing layer comprises a first light-absorbing sublayer and a second light-absorbing sublayer;
    其中，所述第一子吸光层设置在所述基板上，所述第二子吸光层设置在所述第一子吸光层上，且所述第二子吸光层覆盖所述第一子吸光层，所述遮光层设置在所述第二子吸光层上，且所述遮光层覆盖所述第二子吸光层。Wherein, the first sub-light-absorbing layer is arranged on the substrate, the second sub-light-absorbing layer is arranged on the first sub-light-absorbing layer, and the second sub-light-absorbing layer covers the first sub-light-absorbing layer , The light-shielding layer is disposed on the second sub-light-absorbing layer, and the light-shielding layer covers the second sub-light-absorbing layer.
  13. 根据权利要求9所述的显示面板，其中，所述吸光层内设置有多个纳米颗粒，所述纳米颗粒用于吸收波长在预设范围内的光线。9. The display panel of claim 9, wherein a plurality of nanoparticles are provided in the light-absorbing layer, and the nanoparticles are used to absorb light with a wavelength within a preset range.
  14. 根据权利要求13所述的显示面板，其中，所述纳米颗粒的直径为10纳米到20纳米。The display panel of claim 13, wherein the diameter of the nano particles is 10 nm to 20 nm.
  15. 一种显示面板的制备方法，其包括：A method for manufacturing a display panel, which includes:
    提供一基板；Provide a substrate;
    在所述基板形成吸光层；Forming a light-absorbing layer on the substrate;
    在所述吸光层上形成遮光层，其中，所述遮光层覆盖所述吸光层。A light-shielding layer is formed on the light-absorbing layer, wherein the light-shielding layer covers the light-absorbing layer.
  16. 根据权利要求15所述的制备方法，其中，所述在所述基板形成吸光层，包括:The preparation method according to claim 15, wherein said forming a light-absorbing layer on said substrate comprises:
    在所述基板上涂敷一层光刻胶层；Coating a photoresist layer on the substrate;
    对所述光刻胶层进行图案化处理，以形成多个间隔排布的光刻胶块，其中，相邻所述光刻胶块之间具有一间隙；Patterning the photoresist layer to form a plurality of photoresist blocks arranged at intervals, wherein there is a gap between adjacent photoresist blocks;
    在相邻所述光刻胶块之间的间隙处涂敷吸光材料，以形成吸光层。A light-absorbing material is coated at the gap between the adjacent photoresist blocks to form a light-absorbing layer.
  17. 根据权利要求16所述的制备方法，其中，所述在所述吸光层上形成遮光层，包括：16. The preparation method according to claim 16, wherein the forming a light-shielding layer on the light-absorbing layer comprises:
    在所述吸光层上涂敷遮光材料；Coating a light-shielding material on the light-absorbing layer;
    固化所述遮光材料，并对固化后的所述遮光材料进行图案化处理，以在所述吸光层上形成遮光层。The light-shielding material is cured, and the cured light-shielding material is patterned to form a light-shielding layer on the light-absorbing layer.
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