WO2020082508A1 - 彩膜基板、显示面板及显示装置 - Google Patents

彩膜基板、显示面板及显示装置 Download PDF

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Publication number
WO2020082508A1
WO2020082508A1 PCT/CN2018/118650 CN2018118650W WO2020082508A1 WO 2020082508 A1 WO2020082508 A1 WO 2020082508A1 CN 2018118650 W CN2018118650 W CN 2018118650W WO 2020082508 A1 WO2020082508 A1 WO 2020082508A1
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Prior art keywords
color filter
filter substrate
support unit
adjacent
center distance
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PCT/CN2018/118650
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English (en)
French (fr)
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单剑锋
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HKC Co Ltd
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HKC Co Ltd
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    • 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
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells

Definitions

  • the present application relates to the field of liquid crystal display, in particular to a color film substrate, a display panel and a display device.
  • the preparation of the curved display panel is to press the flat display panel on the backlight device with a fixed curvature using a pressing device to bend it, and then fix the curved display panel on the curved backlight module.
  • the curved display panel is prone to black clusters in the middle and yellow fringe around the periphery. In severe cases, it will affect the image quality and affect the normal display of the display panel.
  • a color filter substrate capable of avoiding black clusters and yellow mothers after bending.
  • a color filter substrate which includes:
  • the center distance of at least one pair of adjacent support units near the edge of the color filter substrate is greater than the center distance of at least one pair of adjacent support units near the middle position of the color filter substrate;
  • At least one support unit close to the edge of the color filter substrate has a lower pressure resistance than at least one support unit close to the middle position of the color filter substrate.
  • the thickness of the edge position of the display panel can be compressed to The thickness in the middle position is the same, thereby avoiding the phenomenon of black mass and yellow masterbatch after the display panel is bent, which effectively guarantees the normal display of the display panel.
  • the support unit is cylindrical.
  • the color filter substrate includes an intermediate area and a first peripheral area provided around the intermediate area;
  • the support unit includes a first support unit provided in the intermediate area and a A second support unit in a peripheral area;
  • the shape and size of the first support unit in the middle area are the same, and the shape and size of the second support unit in the first peripheral area are the same;
  • the center distance between adjacent first support units is the same, the center distance between adjacent second support units is the same, and the center distance between adjacent second support units is greater than the center distance between adjacent first support units.
  • the first support unit is straight on the side of the cross section along the thickness direction of the color filter substrate; the second support unit is on the side of the cross section along the thickness direction of the color filter substrate Wavy.
  • the first support unit is straight on the side of the cross section along the thickness direction of the color filter substrate; the second support unit is on the side of the cross section along the thickness direction of the color filter substrate It is toothed.
  • the first support unit is straight on the side of the cross section along the thickness direction of the color filter substrate; the second support unit is on the side of the cross section along the thickness direction of the color filter substrate Jagged.
  • the first support unit has a honeycomb shape; the second support unit has a column shape.
  • the color filter substrate further includes a second peripheral area disposed around the first peripheral area; the support unit further includes a third support unit disposed in the second peripheral area; the The shape and size of the third support units in the second peripheral area are the same; the center distance between adjacent third support units is the same; the center distance between adjacent third support units is greater than the center of the adjacent second support units distance.
  • the color filter substrate is divided into several sub-regions by a plurality of parallel dividing lines, and each of the sub-regions is provided with the support unit;
  • the center distances of adjacent support units are the same; on the same sub-region, the support units have the same shape and size.
  • a display panel which includes a color filter substrate and an array substrate disposed opposite to the color filter substrate;
  • the color filter substrate includes:
  • the center distance of at least one pair of adjacent support units near the edge of the color filter substrate is greater than the center distance of at least one pair of adjacent support units near the middle position of the color filter substrate;
  • At least one support unit close to the edge of the color filter substrate has a lower pressure resistance than at least one support unit close to the middle position of the color filter substrate.
  • the color filter substrate includes an intermediate area and a first peripheral area provided around the intermediate area;
  • the support unit includes a first support unit provided in the intermediate area and a A second support unit in a peripheral area;
  • the shape and size of the first support unit in the middle area are the same, and the shape and size of the second support unit in the first peripheral area are the same;
  • the center distance between adjacent first support units is the same, the center distance between adjacent second support units is the same, and the center distance between adjacent second support units is greater than the center distance between adjacent first support units.
  • the array substrate is a thin film transistor array substrate.
  • the array substrate is a flexible substrate.
  • a display device including the display panel provided by the present application; the display panel includes a color filter substrate and an array substrate disposed opposite to the color filter substrate;
  • the color filter substrate includes:
  • the center distance of at least one pair of adjacent support units near the edge of the color filter substrate is greater than the center distance of at least one pair of adjacent support units near the middle position of the color filter substrate;
  • At least one support unit close to the edge of the color filter substrate has a lower pressure resistance than at least one support unit close to the middle position of the color filter substrate.
  • the display device is a mobile phone.
  • FIG. 1 is a schematic diagram of force when an exemplary display panel is bent under an external force
  • FIG. 2 is a schematic structural diagram of a color filter substrate provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a color filter substrate provided by an embodiment of this application.
  • FIG. 4 is a schematic cross-sectional view of the color filter substrate shown in FIG. 3 along the M-M direction;
  • FIG. 5 is a schematic structural diagram of a color filter substrate provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a color filter substrate provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a color filter substrate provided by an embodiment of the present application.
  • FIG. 1 it is a schematic diagram of an exemplary display panel 100 when it is bent under the action of an external force.
  • the inventor found through research that when the display panel is bent, the magnitude and direction of the stress F applied to the display panel are the same. However, after the display panel begins to bend, the stress applied to the central area of the display panel is still vertical to the display panel; but the stress F applied to the edge area of the display panel is no longer perpendicular to the display panel.
  • the component force in the direction perpendicular to the display panel of the corresponding area is F2
  • the component force in the direction parallel to the display panel of the corresponding area is F1 .
  • F2 ⁇ F that is, the stress of the display panel perpendicular to the corresponding area in the edge area of the display panel is smaller than the stress of the display panel perpendicular to the corresponding area in the middle area of the display panel. Therefore, when the display panel starts to bend, the stresses in the direction perpendicular to the display panel at that position are different depending on the curvature of the display panel.
  • the support units are evenly distributed on the color filter substrate, and the size and shape of the support units are the same throughout the color filter substrate. Therefore, the pressure resistance capability of the display panel is the same throughout. If the exemplary display panel is bent, the different stresses on the display panel cause the thickness of the display panel to be different, that is, the liquid crystal in the display panel is unevenly distributed throughout the display panel, resulting in the middle of the display panel Black masses with yellow mother pull around.
  • the inventor of the present application provides a color filter substrate, by adjusting the center distance of adjacent support units on the color filter substrate and the size of the support unit, so that the thickness of the display panel is basically maintained everywhere when it is bent Consistent.
  • the following is a detailed description with specific examples.
  • the color filter substrate 200 provided in Embodiment 1 of the present application includes a substrate 210 and a plurality of support units 230 provided on the substrate 210.
  • the center distance of at least one pair of adjacent support units 230 near the edge of the color filter substrate 200 is greater than the center distance of at least one pair of adjacent support units 230 near the middle position of the color filter substrate 200.
  • the at least one support unit 230 near the edge of the color filter substrate 200 has a smaller pressure resistance than the at least one support unit 230 near the middle position of the color filter substrate 200.
  • the thickness of the edge position of the display panel can be compressed to be consistent with the thickness of the middle position of the display panel In order to avoid the phenomenon of black balls and yellow masterbatch after the display panel is bent, it can effectively ensure the normal display of the display panel.
  • the color filter substrate 200 further includes structures such as a black matrix provided on the substrate and a color filter layer provided on the black matrix.
  • structures such as a black matrix provided on the substrate and a color filter layer provided on the black matrix. The present application does not improve these structures and will not repeat them here.
  • the support unit 230 is cylindrical. Of course, in other embodiments, the support unit 230 may also have other regular or irregular shapes.
  • the diameter of the support unit 230 in the middle position is A, and the diameter of the support unit 230 adjacent thereto is B.
  • the center distance between the support unit 230 at the middle position and the support unit 230 adjacent thereto is C
  • the center distance between the second support unit 230 at the middle position and the third support unit 230 at the middle position For D, obviously, C ⁇ D, and so on. That is, in this embodiment, the center distance between two adjacent support units 230 gradually increases from the middle to the edge.
  • the color filter substrate 300 provided by an embodiment of the present application is different from the color filter substrate 200 in that the color filter substrate 300 includes an intermediate region 320 and a first peripheral region disposed around the intermediate region 320 340.
  • the support unit includes a first support unit 331 provided in the middle region 320 and a second support unit 333 provided in the first peripheral region 340.
  • the first support unit 331 in the middle region 320 has the same shape and size
  • the second support unit 333 in the first peripheral region 340 has the same shape and size.
  • the center distance between adjacent first support units 331 is the same, the center distance between adjacent second support units 333 is the same, and the center distance between adjacent second support units 333 is greater than the center distance between adjacent first support units 331.
  • the color filter substrate 300 provided in this embodiment is suitable for the case where all four sides of the display panel are bent inward or outward.
  • the first support unit 331 has a straight line 3311 on the side of the cross section along the thickness direction of the color filter substrate 300; the second support unit 333 has a tooth shape on the side 3331 of the cross section along the thickness direction of the color filter substrate 300. Thereby, the pressure resistance capability of the second support unit 333 is further reduced.
  • the side of the cross section of the second support unit along the thickness direction of the color filter substrate may also be wavy or zigzag, which can also reduce the pressure resistance of the second support unit.
  • the center of the intermediate region 320 coincides with the center of the color filter substrate 300.
  • curved display panels have a symmetrical structure.
  • the middle region 320 is adjusted accordingly.
  • the color filter substrate 400 provided by an embodiment of the present application is different from the color filter substrate 300 in that the first support unit 431 is in a honeycomb shape; the second support unit 433 is in a column shape.
  • the honeycomb structure has better pressure resistance, so the honeycomb first support unit 431 has better pressure resistance, that is, the first support unit 431 and the second support unit 431 are increased by increasing the pressure resistance of the first support unit 431
  • the poor pressure resistance of the support unit 433 makes the thickness of the display panel uniform after bending.
  • the color filter substrate may further include more than two regions.
  • the color filter substrate 500 provided by an embodiment of the present application is different from the color filter substrate 300 in that the color filter substrate 500 further includes a second peripheral region 560 disposed around the first peripheral region 540.
  • the support unit further includes a third support unit 535 provided in the second peripheral area 560.
  • the third support unit 535 of the second peripheral area 560 has the same shape and size. The center distance between adjacent third support units 535 is the same; the center distance between adjacent third support units 535 is greater than the center distance between adjacent second support units 533.
  • the color filter substrate 600 provided by an embodiment of the present application is different from the color filter substrate 200 in that the color filter substrate 600 is divided into several sub-regions by a plurality of parallel dividing lines 660, and each sub-region Support units 630 are provided on each.
  • the center distances of adjacent support units 630 are the same.
  • the shape and size of the support unit 630 are the same.
  • the color filter substrate 500 provided in this embodiment is suitable for a display panel with only two opposite sides curved.
  • the color filter substrate 600 may also be divided into more sub-regions.
  • An embodiment of the present application further provides a display panel, which includes a color filter substrate provided by the present application and an array substrate disposed opposite to the color filter substrate.
  • the above display panel including the color filter substrate provided by the present application, when bending the display panel, even if the stress near the edge of the display panel in the direction perpendicular to the display panel is small, the thickness of the edge position of the display panel is also It can be compressed to be consistent with the thickness of the middle position of the display panel, thereby avoiding the phenomenon of black clusters and yellow masterbatch after the display panel is bent, effectively ensuring the normal display of the display panel.
  • the array substrate is a thin film transistor array substrate.
  • the array substrate is not limited to the thin film transistor array substrate.
  • the array substrate is a flexible substrate.
  • An embodiment of the present application further provides a display device, which includes the display panel provided by the present application.
  • the above display device including the display panel provided by the present application, when bending the display panel, even if the stress near the edge of the display panel in the direction perpendicular to the display panel is small, the thickness of the edge position of the display panel can be It is compressed to be consistent with the thickness of the middle position of the display panel, thereby avoiding the phenomenon of black clusters and yellow masterbatch after the display panel is bent, effectively ensuring the normal display of the display panel.
  • the display device may be a mobile phone, a TV, a computer, or the like.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

一种彩膜基板（200），包括：衬底（210）；及若干个支撑单元（230），设于衬底（210）上；至少一对靠近彩膜基板（200）的边缘的相邻的支撑单元（230）的中心距比至少一对靠近彩膜基板（200）的中间位置的相邻的支撑单元（230）的中心距大；至少一个靠近彩膜基板（200）的边缘的支撑单元（230）的抗压能力比至少一个靠近彩膜基板（200）的中间位置的支撑单元（230）的抗压能力小。可选地，越靠近彩膜基板（200）的边缘，支撑单元（230）的抗压能力越弱；越靠近彩膜基板（200）的中间位置，支撑单元（230）的抗压能力越强。

Description

彩膜基板、显示面板及显示装置
相关申请
本申请要求2018年10月22日申请的，申请号为201821713104.7，名称为“彩膜基板、显示面板及显示装置”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及液晶显示领域，特别是涉及一种彩膜基板、显示面板及显示装置。
背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然构成现有技术。
随着技术的发展，包含曲面显示面板的显示装置越来越受到使用者的青睐。示例性的，曲面显示面板的制备是用压合装置将平面显示面板压在固定曲率的背光装置上，使之弯曲，然后将弯曲的显示面板固定在弯曲的背光模组上。
然而弯曲后的显示面板，中间容易产生黑团，周边容易产生黄母拉。严重时会影响画质，影响显示面板的正常显示。
发明内容
根据本申请的各种实施例，提供一种能够避免在弯曲后出现黑团和黄母拉的彩膜基板、显示面板及显示装置。
根据本申请的一个方面，提供了一种彩膜基板，其包括：
衬底；以及
若干个支撑单元，设于所述衬底上；
至少一对靠近所述彩膜基板的边缘的相邻的支撑单元的中心距比至少一对靠近所述彩膜基板的中间位置的相邻的支撑单元的中心距大；
至少一个靠近所述彩膜基板的边缘的支撑单元的抗压能力比至少一个靠近所述彩膜基板的中间位置的支撑单元的抗压能力小。
上述彩膜基板，在对显示面板进行弯曲时，即使显示面板的靠近边缘的位置受到的垂直于显示面板的方向的应力较小，显示面板的边缘位置的厚度也能被压缩至与显示面板的中间位置的厚度一致，进而避免显示面板在弯曲后出现黑团和黄母拉现象，有效保证显示面板的正常显示。
在其中一个实施例中，越靠近所述彩膜基板的边缘，所述支撑单元的抗压能力越弱；越靠近所述彩膜基板的中间位置，所述支撑单元的抗压能力越强。
在其中一个实施例中，在任一垂直于所述彩膜基板厚度方向的平面上，越靠近所述彩膜基板的边缘，所述支撑单元的横截面积越小，越靠近所述彩膜基板的中间位置，所述支撑单元的横截面积越大。
在其中一个实施例中，所述支撑单元呈圆柱状。
在其中一个实施例中，越靠近所述彩膜基板的边缘，相邻所述支撑单元的中心距越大；越靠近所述彩膜基板的中间位置，相邻所述支撑单元的中心距越小。
在其中一个实施例中，所述彩膜基板包括中间区域和环绕所述中间区域设置的第一外围区域；所述支撑单元包括设于所述中间区域的第一支撑单元和设于所述第一外围区域的第二支撑单元；
所述中间区域内的第一支撑单元的形状和大小相同，所述第一外围区域的第二支撑单元的形状和大小相同；
相邻所述第一支撑单元的中心距相同，相邻所述第二支撑单元的中心距相同，相邻所述第二支撑单元的中心距大于相邻所述第一支撑单元的中 心距。
在其中一个实施例中，所述第一支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈直线；所述第二支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈波浪状。
在其中一个实施例中，所述第一支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈直线；所述第二支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈齿状。
在其中一个实施例中，所述第一支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈直线；所述第二支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈锯齿状。
在其中一个实施例中，所述第一支撑单元呈蜂窝状；所述第二支撑单元呈柱状。
在其中一个实施例中，所述彩膜基板还包括环绕所述第一外围区域设置的第二外围区域；所述支撑单元还包括设于所述第二外围区域的第三支撑单元；所述第二外围区域的第三支撑单元的形状和大小相同；相邻所述第三支撑单元的中心距相同；相邻所述第三支撑单元的中心距大于相邻所述第二支撑单元的中心距。
在其中一个实施例中，所述彩膜基板被若干条相互平行的分界线分割成若干个子区域，每个所述子区域上均设有所述支撑单元；
同一所述子区域上，相邻所述支撑单元的中心距相同；同一所述子区域上，所述支撑单元的形状和大小相同。
根据本申请的另一个方面，提供了一种显示面板，其包括彩膜基板以及与所述彩膜基板对盒设置的阵列基板；
所述彩膜基板包括：
衬底；以及
若干个支撑单元，设于所述衬底上；
至少一对靠近所述彩膜基板的边缘的相邻的支撑单元的中心距比至少一对靠近所述彩膜基板的中间位置的相邻的支撑单元的中心距大；
至少一个靠近所述彩膜基板的边缘的支撑单元的抗压能力比至少一个靠近所述彩膜基板的中间位置的支撑单元的抗压能力小。
在其中一个实施例中，越靠近所述彩膜基板的边缘，所述支撑单元的抗压能力越弱；越靠近所述彩膜基板的中间位置，所述支撑单元的抗压能力越强。
在其中一个实施例中，所述彩膜基板包括中间区域和环绕所述中间区域设置的第一外围区域；所述支撑单元包括设于所述中间区域的第一支撑单元和设于所述第一外围区域的第二支撑单元；
所述中间区域内的第一支撑单元的形状和大小相同，所述第一外围区域的第二支撑单元的形状和大小相同；
相邻所述第一支撑单元的中心距相同，相邻所述第二支撑单元的中心距相同，相邻所述第二支撑单元的中心距大于相邻所述第一支撑单元的中心距。
在其中一个实施例中，所述阵列基板为薄膜晶体管阵列基板。
在其中一个实施例中，所述阵列基板为柔性基板。
根据本申请的又一个方面，提供了一种显示装置，其包括本申请提供的显示面板；所述显示面板包括彩膜基板以及与所述彩膜基板对盒设置的阵列基板；
所述彩膜基板包括：
衬底；以及
若干个支撑单元，设于所述衬底上；
至少一对靠近所述彩膜基板的边缘的相邻的支撑单元的中心距比至少一对靠近所述彩膜基板的中间位置的相邻的支撑单元的中心距大；
至少一个靠近所述彩膜基板的边缘的支撑单元的抗压能力比至少一个 靠近所述彩膜基板的中间位置的支撑单元的抗压能力小。
在其中一个实施例中，越靠近所述彩膜基板的边缘，所述支撑单元的抗压能力越弱；越靠近所述彩膜基板的中间位置，所述支撑单元的抗压能力越强。
在其中一个实施例中，所述显示装置为手机。
本申请的一个或多个实施例的细节在下面的附图和描述中提出。本申请的其他特征、目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更好地描述和说明这里公开的那些发明的实施例或示例，可以参考一幅或多幅附图。用于描述附图的附加细节或示例不应当被认为是对所公开的发明、目前描述的实施例或示例以及目前理解的这些发明的最佳模式中的任何一者的范围的限制。
图1为示例性的显示面板在外力的作用下弯曲时的受力示意图；
图2为本申请一实施例提供的彩膜基板的结构示意图；
图3为本申请一实施例提供的彩膜基板的结构示意图；
图4为图3所示彩膜基板沿M-M向的截面示意图；
图5为本申请一实施例提供的彩膜基板的结构示意图；
图6为本申请一实施例提供的彩膜基板的结构示意图；
图7为本申请一实施例提供的彩膜基板的结构示意图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
需要说明的是，当元件被称为“设于”另一个元件，它可以直接在另 一个元件上或者也可以存在居中的元件。本文所使用的术语“垂直”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
如图1所示，为示例性的的显示面板100在外力的作用下弯曲时的受力示意图。发明人经研究发现，显示面板进行弯曲时，在显示面板各处施加的应力F的大小和方向均相同。然而，在显示面板开始发生弯曲后，施加在显示面板的中心区域的应力仍然显示面板垂直；但施加在显示面板的边缘区域的应力F不再与显示面板垂直。
具体地，对施加在显示面板上的边缘区域的应力进行正交分解，在垂直于相应区域的显示面板的方向的分力为F2，在平行于相应区域的显示面板的方向的分力为F1。显然，F2＜F，即相较于显示面板的中间区域受到的垂直于相应区域的显示面板的应力，显示面板在边缘区域的受到的垂直于相应区域的显示面板的应力较小。因此，在显示面板开始发生弯曲时，显示面板各处根据曲率的不同，受到的垂直于该位置的显示面板的方向的应力不同。
示例性的显示面板中，支撑单元在彩膜基板上均匀分布，且彩膜基板各处的支撑单元的大小及形状一致，因此，显示面板各处的耐压能力相同。若将示例性的显示面板进行弯曲，则由于各处所受的应力不同，导致显示面板各处的厚度不同，即使得显示面板内的液晶在各处的分布不均，进而导致显示面板中间产生黑团，周边产生黄母拉。
基于此，本申请的发明人提供一种彩膜基板，通过调整彩膜基板上的 相邻的支撑单元的中心距和支撑单元的大小，以使得显示面板在被弯曲时各处的厚度基本保持一致。以下通过具体的实施例进行详细说明。
如图2所示，本申请实施例一提供的彩膜基板200，其包括衬底210及若干个设于衬底210上的支撑单元230。
至少一对靠近彩膜基板200的边缘的相邻的支撑单元230的中心距比至少一对靠近彩膜基板200的中间位置的相邻的支撑单元230的中心距大。
至少一个靠近彩膜基板200的边缘的支撑单元230的抗压能力比至少一个靠近彩膜基板200的中间位置的支撑单元230的抗压能力小。
在对显示面板进行弯曲时，即使显示面板的靠近边缘的位置受到的垂直于显示面板的方向的应力较小，显示面板的边缘位置的厚度也能被压缩至与显示面板的中间位置的厚度一致，进而避免显示面板在弯曲后出现黑团和黄母拉现象，有效保证显示面板的正常显示。
可以理解的是，彩膜基板200还包括设于衬底上的黑矩阵和设于黑矩阵上彩膜彩色滤光层等结构，本申请对这些结构并无改进，此处不再赘述。
本实施例中，越靠近彩膜基板200的边缘，支撑单元230的抗压能力越弱；越靠近彩膜基板200的中间位置，支撑单元230的抗压能力越强。
具体地，本实施例中，在任一垂直于彩膜基板200厚度方向的平面上，越靠近彩膜基板200的边缘，支撑单元230的横截面积越小，越靠近彩膜基板200的中间位置，支撑单元230的横截面积越大。即通过减小远离中间位置的支撑单元的大小来减小其抗压能力，从而在应力较小的情况下，使得显示面板的远离中间位置的区域的厚度也能达到与显示面板的中间位置的厚度相同的效果。
本实施例中，支撑单元230呈圆柱状。当然，在另外的实施例中，支撑单元230还可以呈其他规则或不规则的形状。
更具体地，位于中间位置的支撑单元230的直径为A，与其相邻的支撑单元230的直径为B，显然，A＞B，以此类推。即本实施例中，相邻两 支撑单元230的直径由中间至边缘逐渐减小。
本实施例中，越靠近彩膜基板200的边缘，相邻支撑单元230的中心距越大；越靠近彩膜基板200的中间位置，相邻支撑单元230的中心距越小。
具体地，设定位于中间位置的支撑单元230和与其相邻的支撑单元230的中心距为C，位于中间位置起第二个支撑单元230和位于中间位置起第三个支撑单元230的中心距为D，显然，C＜D，以此类推。即本实施例中，相邻两支撑单元230的中心距由中间至边缘逐渐增大。
如图3和图4所示，本申请一实施例提供的彩膜基板300，其与彩膜基板200不同的是，彩膜基板300包括中间区域320和环绕中间区域320设置的第一外围区域340。具体地，支撑单元包括设于中间区域320的第一支撑单元331和设于第一外围区域340的第二支撑单元333。
中间区域320内的第一支撑单元331的形状和大小相同，第一外围区域340的第二支撑单元333的形状和大小相同。
相邻第一支撑单元331的中心距相同，相邻第二支撑单元333的中心距相同，相邻第二支撑单元333的中心距大于相邻第一支撑单元331的中心距。
本实施例提供的彩膜基板300适用于显示面板的四边均向内侧或向外侧弯曲的情况。
本实施例中，第一支撑单元331在沿彩膜基板300厚度方向的截面的侧边3311呈直线；第二支撑单元333在沿彩膜基板300厚度方向的截面的侧边3331呈齿状。从而进一步减小第二支撑单元333的耐压能力。
当然，在另外的实施例中，还可以将第二支撑单元的沿彩膜基板厚度方向的截面的侧边设置成波浪状或锯齿状，同样能够减小第二支撑单元的耐压能力。
本实施例中，中间区域320的中心与彩膜基板300的中心重合。一般 地，弯曲状的显示面板均呈对称结构。当然，在另外的实施例中，若弯曲状的显示面板呈非对称结构，则中间区域320做相应调整。
如图5所示，本申请一实施例提供的彩膜基板400，其与彩膜基板300不同的是，第一支撑单元431呈蜂窝状；第二支撑单元433呈柱状。
蜂窝状的结构具有更好的耐压性，因此蜂窝状的第一支撑单元431的耐压性更好，即通过增加第一支撑单元431的耐压性增大第一支撑单元431和第二支撑单元433的耐压性的差，进而使得显示面板在弯曲后的厚度保持一致。
需要说明的是，在另外的实施例中，彩膜基板还可以包括多于两个区域。例如，参图6所示，本申请一实施例提供的彩膜基板500，其与彩膜基板300不同的是，彩膜基板500还包括环绕第一外围区域540设置的第二外围区域560。支撑单元还包括设于第二外围区域560的第三支撑单元535。第二外围区域560的第三支撑单元535的形状和大小相同。相邻第三支撑单元535的中心距相同；相邻第三支撑单元535的中心距大于相邻第二支撑单元533的中心距。
如图7所示，本申请一实施例提供的彩膜基板600，其与彩膜基板200不同的是，彩膜基板600被若干条相互平行的分界线660分割成若干个子区域，每个子区域上均设有支撑单元630。
同一子区域上，相邻支撑单元630的中心距相同。同一子区域上，支撑单元630的形状和大小相同。
本实施例提供的彩膜基板500适用于仅两个相对的侧边弯曲的显示面板。
可以理解的是，根据显示面板的弯曲情况，还可以将彩膜基板600分割成更多个子区域。
本申请一实施例还提供一种显示面板，其包括本申请提供的彩膜基板以及与所述彩膜基板对盒设置的阵列基板。
上述显示面板，包括本申请提供的彩膜基板，在对显示面板进行弯曲时，即使显示面板的靠近边缘的位置受到的垂直于显示面板的方向的应力较小，显示面板的边缘位置的厚度也能被压缩至与显示面板的中间位置的厚度一致，进而避免显示面板在弯曲后出现黑团和黄母拉现象，有效保证显示面板的正常显示。
在一个可行的实施例中，阵列基板为薄膜晶体管阵列基板。当然，在另外的实施例中，阵列基板不限于薄膜晶体管阵列基板。
在一个可行的实施例中，阵列基板为柔性基板。
本申请一实施例还提供一种显示装置，其包括本申请提供的显示面板。
上述显示装置，包括本申请提供的显示面板，在对显示面板进行弯曲时，即使显示面板的靠近边缘的位置受到的垂直于显示面板的方向的应力较小，显示面板的边缘位置的厚度也能被压缩至与显示面板的中间位置的厚度一致，进而避免显示面板在弯曲后出现黑团和黄母拉现象，有效保证显示面板的正常显示。
具体地，显示装置可以为手机、电视、电脑等。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种彩膜基板，包括：
    衬底；以及
    若干个支撑单元，设于所述衬底上；
    至少一对靠近所述彩膜基板的边缘的相邻的支撑单元的中心距比至少一对靠近所述彩膜基板的中间位置的相邻的支撑单元的中心距大；
    至少一个靠近所述彩膜基板的边缘的支撑单元的抗压能力比至少一个靠近所述彩膜基板的中间位置的支撑单元的抗压能力小。
  2. 根据权利要求1所述的彩膜基板，其中，越靠近所述彩膜基板的边缘，所述支撑单元的抗压能力越弱；越靠近所述彩膜基板的中间位置，所述支撑单元的抗压能力越强。
  3. 根据权利要求2所述的彩膜基板，其中，在任一垂直于所述彩膜基板厚度方向的平面上，越靠近所述彩膜基板的边缘，所述支撑单元的横截面积越小，越靠近所述彩膜基板的中间位置，所述支撑单元的横截面积越大。
  4. 根据权利要求3所述的彩膜基板，其中，所述支撑单元呈圆柱状。
  5. 根据权利要求1所述的彩膜基板，其中，越靠近所述彩膜基板的边缘，相邻所述支撑单元的中心距越大；越靠近所述彩膜基板的中间位置，相邻所述支撑单元的中心距越小。
  6. 根据权利要求1所述的彩膜基板，其中，所述彩膜基板包括中间区域和环绕所述中间区域设置的第一外围区域；所述支撑单元包括设于所述中间区域的第一支撑单元和设于所述第一外围区域的第二支撑单元；
    所述中间区域内的第一支撑单元的形状和大小相同，所述第一外围区域的第二支撑单元的形状和大小相同；
    相邻所述第一支撑单元的中心距相同，相邻所述第二支撑单元的中心距相同，相邻所述第二支撑单元的中心距大于相邻所述第一支撑单元的中 心距。
  7. 根据权利要求6所述的彩膜基板，其中，所述第一支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈直线；所述第二支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈波浪状。
  8. 根据权利要求6所述的彩膜基板，其中，所述第一支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈直线；所述第二支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈齿状。
  9. 根据权利要求6所述的彩膜基板，其中，所述第一支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈直线；所述第二支撑单元在沿所述彩膜基板厚度方向的截面的侧边呈锯齿状。
  10. 根据权利要求6所述的彩膜基板，其中，所述第一支撑单元呈蜂窝状；所述第二支撑单元呈柱状。
  11. 根据权利要求6所述的彩膜基板，其中，所述彩膜基板还包括环绕所述第一外围区域设置的第二外围区域；所述支撑单元还包括设于所述第二外围区域的第三支撑单元；所述第二外围区域的第三支撑单元的形状和大小相同；相邻所述第三支撑单元的中心距相同；相邻所述第三支撑单元的中心距大于相邻所述第二支撑单元的中心距。
  12. 根据权利要求1所述的彩膜基板，其中，所述彩膜基板被若干条相互平行的分界线分割成若干个子区域，每个所述子区域上均设有所述支撑单元；
    同一所述子区域上，相邻所述支撑单元的中心距相同；同一所述子区域上，所述支撑单元的形状和大小相同。
  13. 一种显示面板，包括彩膜基板以及与所述彩膜基板对盒设置的阵列基板；
    所述彩膜基板包括：
    衬底；以及
    若干个支撑单元，设于所述衬底上；
    至少一对靠近所述彩膜基板的边缘的相邻的支撑单元的中心距比至少一对靠近所述彩膜基板的中间位置的相邻的支撑单元的中心距大；
    至少一个靠近所述彩膜基板的边缘的支撑单元的抗压能力比至少一个靠近所述彩膜基板的中间位置的支撑单元的抗压能力小。
  14. 根据权利要求13所述的显示面板，其中，越靠近所述彩膜基板的边缘，所述支撑单元的抗压能力越弱；越靠近所述彩膜基板的中间位置，所述支撑单元的抗压能力越强。
  15. 根据权利要求13所述的显示面板，其中，所述彩膜基板包括中间区域和环绕所述中间区域设置的第一外围区域；所述支撑单元包括设于所述中间区域的第一支撑单元和设于所述第一外围区域的第二支撑单元；
    所述中间区域内的第一支撑单元的形状和大小相同，所述第一外围区域的第二支撑单元的形状和大小相同；
    相邻所述第一支撑单元的中心距相同，相邻所述第二支撑单元的中心距相同，相邻所述第二支撑单元的中心距大于相邻所述第一支撑单元的中心距。
  16. 根据权利要求13所述的显示面板，其中，所述阵列基板为薄膜晶体管阵列基板。
  17. 根据权利要求13所述的显示面板，其中，所述阵列基板为柔性基板。
  18. 一种显示装置，包括显示面板；所述显示面板包括彩膜基板以及与所述彩膜基板对盒设置的阵列基板；
    所述彩膜基板包括：
    衬底；以及
    若干个支撑单元，设于所述衬底上；
    至少一对靠近所述彩膜基板的边缘的相邻的支撑单元的中心距比至少 一对靠近所述彩膜基板的中间位置的相邻的支撑单元的中心距大；
    至少一个靠近所述彩膜基板的边缘的支撑单元的抗压能力比至少一个靠近所述彩膜基板的中间位置的支撑单元的抗压能力小。
  19. 根据权利要求18所述的显示装置，其中，越靠近所述彩膜基板的边缘，所述支撑单元的抗压能力越弱；越靠近所述彩膜基板的中间位置，所述支撑单元的抗压能力越强。
  20. 根据权利要求18所述的显示装置，其中，所述显示装置为手机。
PCT/CN2018/118650 2018-10-22 2018-11-30 彩膜基板、显示面板及显示装置 Ceased WO2020082508A1 (zh)

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