WO2020113627A1 - 显示面板、制作方法和显示装置 - Google Patents

显示面板、制作方法和显示装置 Download PDF

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Publication number
WO2020113627A1
WO2020113627A1 PCT/CN2018/120463 CN2018120463W WO2020113627A1 WO 2020113627 A1 WO2020113627 A1 WO 2020113627A1 CN 2018120463 W CN2018120463 W CN 2018120463W WO 2020113627 A1 WO2020113627 A1 WO 2020113627A1
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Prior art keywords
trunk
retaining wall
branches
wall structure
substrate
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Ceased
Application number
PCT/CN2018/120463
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English (en)
French (fr)
Inventor
吴川
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HKC Co Ltd
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HKC Co Ltd
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Publication date
Application filed by HKC Co Ltd filed Critical HKC Co Ltd
Priority to US17/042,118 priority Critical patent/US11119363B2/en
Publication of WO2020113627A1 publication Critical patent/WO2020113627A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • G02F1/13394Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723Polyimide, polyamide-imide
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells

Definitions

  • the present application relates to the field of display technology, in particular to a display panel, a manufacturing method and a display device.
  • Display panel such as thin film transistor liquid crystal display (Thin Film Transistor-Liquid Crystal) (TFT-LCD), TFT-LCD usually completes pattern array substrate (Thin Film Transistor, TFT) and The color filter substrate (Color) (CF) is first coated with a layer of polyimide (PI) to generate anchoring force to the liquid crystal, so that the liquid crystal has a fixed pretilt angle.
  • TFT-LCD thin film transistor liquid crystal display
  • TFT-LCD usually completes pattern array substrate (Thin Film Transistor, TFT) and
  • the color filter substrate (Color) (CF) is first coated with a layer of polyimide (PI) to generate anchoring force to the liquid crystal, so that the liquid crystal has a fixed pretilt angle.
  • PI polyimide
  • PI is a liquid when applied to the substrate, and the PI film can be formed only after drying.
  • a gap is designed on the CF side during design (PhotoSpacer , PS) retaining wall blocks PI fluid.
  • the PI liquid flows back at the retaining wall, causing uneven display (Mura).
  • the present application provides a display panel, a manufacturing method, and a display device to improve display quality.
  • This application discloses a display panel, which is divided into a display area and a non-display area, including:
  • a first substrate, a second substrate, and a sealant the first substrate and the second substrate are opposite, the sealant corresponds to a non-display area, and is disposed between the first substrate and the second substrate; an alignment layer Installed on the second substrate; a non-display area of the second substrate is provided with a retaining wall structure, the retaining wall structure is disposed between the alignment layer and the frame glue; the retaining wall structure includes a trunk and multiple A plurality of branches, at least one of the branches is arranged on a side of the trunk close to the alignment layer or the sealant, and a plurality of the branches are away from the trunk and extend toward the alignment layer or the sealant.
  • the angle between the branch and the trunk is an acute angle.
  • the angle between the branch and the trunk is 45 degrees.
  • the branches include a first direction branch and a second direction branch; the extension direction of the first direction branch is different from the second direction branch, and the first direction branch and the second direction branch are alternately arranged.
  • the angle between the first direction branch and the trunk is ⁇ 1
  • the angle between the second direction branch and the trunk is ⁇ 2, where ⁇ 1 and ⁇ 2 are complementary.
  • ⁇ 1 is 45 degrees and ⁇ 2 is 135 degrees.
  • the angle between the first direction branch and the trunk is ⁇ 1
  • the angle between the second direction branch and the trunk is ⁇ 2, where ⁇ 1 and ⁇ 2 are not complementary.
  • the length of the branch is y, where y is greater than 2 microns and less than 200 microns.
  • the second base plate includes a first retaining wall structure and a second retaining wall structure.
  • the first retaining wall structure surrounds a circle and is disposed between the alignment layer and the frame glue; the second barrier The wall structure surrounds a circle and is arranged on the periphery of the frame glue;
  • the first retaining wall structure includes a first trunk, a plurality of first branches and a plurality of second branches; a plurality of the first branches are located on the first A main trunk is close to the side of the alignment layer and extends in the direction of the alignment layer; a plurality of the second branches are located on the side of the first trunk close to the sealant and extend in the direction of the sealant
  • the second retaining wall structure includes a second trunk, multiple third branches, and multiple fourth branches; multiple third branches are located on the side of the second trunk near the frame glue, and toward the frame A plurality of the fourth branches are located on a side of the second trunk away from the frame glue and extend away from the frame glue.
  • the second base plate includes a first retaining wall structure and a second retaining wall structure.
  • the first retaining wall structure surrounds a circle and is disposed between the alignment layer and the frame glue;
  • the second barrier The wall structure surrounds a circle and is arranged on the periphery of the frame glue;
  • the first retaining wall structure includes a first trunk and a plurality of first branches, and a plurality of the first branches are located on the first trunk near the frame One side of the glue and extending in the direction of the frame glue;
  • the second retaining wall structure includes a second trunk and a plurality of second branches, and the plurality of second branches are located on the side of the second trunk near the frame glue And extend in the direction of the sealant.
  • the second base plate includes a first retaining wall structure and a second retaining wall structure.
  • the first retaining wall structure surrounds a circle and is disposed between the alignment layer and the frame glue;
  • the second barrier The wall structure surrounds a circle and is arranged on the periphery of the frame glue;
  • the first retaining wall structure includes a first trunk and a plurality of first branches, and the multiple first branches are located on the first trunk near the alignment layer 1 Side, and extending in the direction of the alignment layer;
  • the second retaining wall structure includes a second trunk and a plurality of second branches, a plurality of the second branches are located on the side of the second trunk near the frame glue, and Extend in the direction of the sealant.
  • the second base plate includes a first retaining wall structure and a second retaining wall structure.
  • the first retaining wall structure surrounds a circle and is disposed between the alignment layer and the frame glue; the second barrier The wall structure surrounds a circle and is arranged on the periphery of the frame glue;
  • the first retaining wall structure includes a first trunk, a plurality of first branches and a plurality of second branches; a plurality of the first branches are located on the first A main trunk is close to the side of the alignment layer and extends in the direction of the alignment layer; a plurality of the second branches are located on the side of the first trunk close to the frame glue and extend in the direction of the frame glue.
  • the second retaining wall structure includes a second trunk and multiple third branches. Multiple third branches are located on the side of the second trunk near the frame glue and extend in the direction of the frame glue.
  • the first substrate is an array substrate
  • the second substrate is a color filter substrate
  • the retaining wall structure is provided on the first substrate.
  • the retaining wall structure is a gap.
  • the distance between adjacent branches is equal.
  • the distance between adjacent branches is not equal.
  • the distance between two adjacent branches is x, where x is greater than 2 microns and less than 200 microns.
  • the application also discloses a method for manufacturing a display panel.
  • the display panel is divided into a display area and a non-display area.
  • the method includes the following steps:
  • the alignment liquid is injected on the inner side of the retaining wall structure near the display area to form an alignment layer to obtain the second substrate;
  • a frame glue is formed between the first substrate and the second substrate corresponding to the outer side of the retaining wall structure
  • the retaining wall structure includes a trunk and a plurality of branches, a plurality of the branches are arranged at least on a side of the trunk close to the alignment layer or frame glue, and a plurality of the branches are far away from the trunk and toward the The alignment layer or frame glue extends.
  • the present application also discloses a display device including the above-mentioned display panel.
  • the retaining wall structure of the present application includes a trunk and a plurality of branches, and the trunk is blocked between the alignment layer and the sealant, which can prevent the alignment liquid and the sealant forming the alignment layer from overlapping.
  • the branch extends toward the alignment layer or the sealant, dividing the retaining wall into multiple areas, which can divert the impact force to achieve a better buffer effect and better play the retaining wall
  • the effect of the frame glue or the alignment liquid forming the alignment layer will shunt the frame glue or the alignment liquid when it impacts the retaining wall, reducing the possibility that the frame glue or the alignment liquid will over-accumulate and exceed the structure of the retaining wall to overlap, Helps improve the display quality.
  • FIG. 1 is a schematic diagram of an exemplary retaining wall structure according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of another exemplary retaining wall structure according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of the overall structure of a display panel according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a retaining wall structure according to an embodiment of the present application (1);
  • FIG. 5 is a schematic diagram of a retaining wall structure according to an embodiment of the present application (2);
  • FIG. 6 is a schematic diagram (3) of a retaining wall structure according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a retaining wall structure according to an embodiment of the present application (4);
  • FIG. 8 is a schematic flowchart of a method for manufacturing a display panel according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a display device according to an embodiment of the application.
  • first and second are used only for descriptive purposes and cannot be understood as indicating relative importance, or implicitly indicating the number of indicated technical features.
  • the features defined as “first” and “second” may expressly or implicitly include one or more of the features; “multiple” means two or more.
  • the term “comprising” and any variations thereof are meant to be non-exclusive and one or more other features, integers, steps, operations, units, components, and/or combinations thereof may be present or added.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection It can also be an electrical connection; it can be directly connected, indirectly connected through an intermediary, or connected within two components.
  • Thin film transistor liquid crystal display Thin Film Transistor-Liquid Crystal (TFT-LCD) before pouring liquid crystal, usually in the pattern (Thin Film Transistor, TFT) and color film substrate (Color Filter, CF )
  • TFT-LCD Thin film transistor liquid crystal display
  • TFT-LCD Thin Film Transistor-Liquid Crystal
  • Color Filter, CF Color Film substrate
  • PI Polyimide
  • a gap is usually designed on the CF side during design ( Photo Spacer, PS) blocks the PI fluid so that it does not overlap with the frame glue.
  • 1 and 2 are exemplary PS retaining wall designs. This kind of retaining wall can play a role in blocking PI liquid, but due to the high PI retaining wall (usually about 2 to 5 microns ( ⁇ m)), this design will cause part of the PI liquid to flow back at the retaining wall to the display area (Active Area, AA) direction, this will cause the PI liquid to be closer to the area. If there is an effective display area in these areas, it will cause uneven display (Mura). Similarly, the sealant applied to the substrate is also a liquid, and the retaining wall can also prevent the diffusion of the sealant.
  • an embodiment of the present application discloses a display panel 110, which is divided into a display area 124 and a non-display area 125.
  • the display panel 110 includes a first substrate 111 and a second substrate 112.
  • the first substrate 111 and the second substrate 112 are opposite;
  • the sealant 126, corresponding to the non-display area 125, is disposed between the first substrate 111 and the second substrate 112;
  • the alignment layer 127 is disposed on the first A second substrate 112;
  • a non-display area 125 of the second substrate 112 is provided with a retaining wall structure 113, and the retaining wall structure 113 is disposed between the alignment layer 127 and the frame glue 126;
  • the retaining wall structure 113 includes a backbone 114 and a plurality of branches 115, a plurality of the branches 115 are arranged at least on the side of the trunk 114 close to the alignment layer 127 or the sealant 126, and a plurality of the branches 115 are away from
  • the retaining wall of this scheme can play a role of blocking PI liquid. Due to the high PI retaining wall (usually about 2 ⁇ m to 5 ⁇ m), this design will cause Part of the PI liquid flows back at the retaining wall toward the direction of the display area 124 (Active Area, AA). This will result in areas closer to the PI liquid. If there is an effective display area 124 in these areas, it will cause unevenness (Mura). Similarly, the sealant 126 is applied to the substrate as a liquid, and the retaining wall can also prevent the sealant 126 from spreading.
  • the retaining wall structure 113 includes a trunk 114 and a plurality of branches 115, and the trunk 114 is blocked between the alignment layer 127 and the sealant 126, which can prevent the alignment liquid and the sealant 126 forming the alignment layer 127 from overlapping, affecting The performance of the alignment layer 127 and the sealant 126; at the same time, the branch 115 extends in the direction of the alignment layer 127 or the sealant 126, dividing the retaining wall into multiple areas, which can shunt the impact force and achieve a good buffering effect, which is very good Play the role of the retaining wall; and make the frame glue 126 or the alignment liquid forming the alignment layer 127 impact the retaining wall, can divide the frame glue 126 or the alignment liquid to reduce the excessive accumulation of the frame glue 126 or the alignment liquid to exceed the retaining wall structure 113 The possibility of overlapping is thus reduced, and the alignment liquid or sealant accumulation can be reduced, so that the corresponding positions of the first substrate and the second substrate are pushed up to affect the
  • the first substrate 111 is an array substrate
  • the second substrate 112 is a color filter substrate.
  • the first substrate 111 is a color filter substrate
  • the second substrate 112 is an array substrate.
  • the array substrate may be a color filter provided on an array substrate (Color Filter on Array, COA).
  • the retaining wall structure 113 may be provided on the array substrate or the color film substrate, or both substrates. When both substrates are installed, the positions may or may not correspond; when correspondingly installed, the retaining walls on both sides The structure can be made thinner, just use the existing film layer, which is beneficial to reduce the manufacturing process and save materials. In this way, as long as the alignment liquid or the sealant 126 can be blocked, the alignment liquid or the sealant 126 can be prevented from overlapping.
  • the retaining wall structure 113 may be a spacer (Photo Spacer, PS), or a black matrix, or may be a separately provided retaining wall structure 113, which can block the alignment liquid or the frame glue 126.
  • the distance between two adjacent branches 115 is equal and both are x, where 2 ⁇ m ⁇ x ⁇ 200 ⁇ m, when x is less than 2 ⁇ m, the number of branches 115 is set densely, and the blocking effect is not good; if When x is greater than 200 ⁇ m, the number of branches 115 is set to be relatively sparse, the branches 115 do not play a role of blocking, and the blocking effect is not good.
  • the distance between two adjacent branches 115 is not equal, and it can also block the alignment liquid or the sealant 126.
  • the angle between the branch 115 and the trunk 114 is an acute angle.
  • the angle between the branch 115 and the trunk 114 is inclined, and the contact area with the branch 115 of the retaining wall structure 113 and the trunk 114 is larger in the direction of the flow of the frame glue 126 or the alignment liquid. , The blocking effect is better.
  • the branch 115 and the trunk 114 are not at an acute angle.
  • the trunk 114 and the branch 115 are at a right angle.
  • the angle between the trunk 114 and the branch 115 is at a right angle, the shunt effect of the retaining wall structure is good , But the effect of preventing backflow is not as good as acute angle.
  • the branch 115 includes a first direction branch 128 and a second direction branch 129; the extension direction of the first direction branch 128 is different from the second direction branch 129, and the first direction branch 128 Alternately arranged with the second direction branch 129.
  • the angle ⁇ 1 formed by the first direction branch and the trunk is different from the angle ⁇ 2 formed by the second direction branch and the trunk.
  • the ⁇ 1 may be 45 degrees
  • the ⁇ 2 may be 135 degrees.
  • the branch 115 includes a first direction branch 128 and a second direction branch 129, the first direction branch 128 and the second direction branch 129 are branches 115 on the same side, and the extension direction of the first direction branch 128 and the second direction branch 129 different. Since the direction of the alignment liquid or the sealant 126 flows in multiple directions, the extension directions of the branch 115 in the first direction and the branch 129 in the second direction are different. For the flow of the sealant 126 or the alignment liquid in different directions, it plays a diversion role to prevent The frame glue 126 or the alignment liquid is excessively accumulated in a certain area, and can be guided to different areas in different directions, so that the display panel 110 is uniform.
  • the extension directions of the plurality of branches 115 may also be the same, and all of the branches 115 extend to the left or all to the right, which can also prevent the alignment liquid or the sealant 126 from overlapping.
  • the angle between the branch 115 and the trunk 114 is an acute angle, and the included angle is 45°.
  • the angle between the branch 115 and the trunk 114 is an acute angle and is 45°, so that the contact area of the alignment liquid or the sealant 126 and the branch 115 is large.
  • the alignment fluid or frame glue 126 flows to the retaining wall structure 113, it first contacts the branch. Since the angle between the branch 115 and the main body 114 is 45°, the branch blocks the frame glue 126 or the alignment liquid and returns along a certain angle , It can prevent the backflow of frame glue 126 or alignment liquid, and the blocking effect is good.
  • the angle range formed by the branch 115 and the trunk 114 may be 5° ⁇ 175°.
  • the length of the branch 115 is y, where y is greater than 2 microns and less than 200 microns.
  • the length of the branch 115 is y, and 2 ⁇ m ⁇ y ⁇ 200 ⁇ m. If the value of y is less than 2 ⁇ m, the branch 115 does not function as a barrier, so it also does not function as a buffer. It is difficult to achieve the purpose of reducing the impact force of the alignment liquid or the sealant 126, and it is also difficult to achieve the effect of shunting and preventing accumulation ; If the value of y is greater than 200 ⁇ m, the space occupied by the branch 115 is large. Therefore, setting the extension length of the branch 115 to 2 ⁇ m ⁇ y ⁇ 200 ⁇ m can not only play a good blocking effect, but also take up less space .
  • the number of the retaining wall structures 113 is one, or the number of the retaining wall structures 113 is two.
  • the retaining wall structure 113 referred to here only includes the trunk 114 and does not include the branch 115.
  • the number of the retaining wall structures 113 is two, the two retaining wall structures 113, one is disposed near the display area 124, and the other is disposed away from the display area 124.
  • two retaining wall structures 113 are provided with two retaining wall structures 113.
  • the retaining wall structure 113 close to the display area 124 can block the alignment liquid flowing out from the display area 124, while being far away
  • the retaining wall structure 113 of the display area 124 may block the sealant 126 of the two retaining wall structures 113 so that the alignment liquid and the sealant 126 do not overlap each other (Overlap).
  • the number of the retaining wall structures 113 is two.
  • the retaining wall structure 113 near the display area 124 is a first retaining wall
  • the retaining wall structure 113 far from the display area 124 is a second retaining wall.
  • Frame glue 126 is coated between the first retaining wall and the second retaining wall.
  • the first retaining wall includes the trunk 114 and the branch 115
  • the second retaining wall includes only the trunk 114.
  • the first retaining wall may only include the trunk 114
  • the second retaining wall may include the trunk 114 and the branch 115. This is also possible, and the function that the alignment liquid and the sealant 126 do not overlap can also be achieved.
  • the retaining wall structure 113 includes a trunk 114 and a plurality of trunks, the trunk 114 is connected to the branches 115, and the branches 115 extend away from the trunk 114, and ⁇ 126.
  • the extension directions of the branches 115 all face the sealant 126, which has a better blocking effect on the sealant 126.
  • the direction in which the branch 115 extends toward the alignment layer 127 is also acceptable, as long as the branch 115 acts as a cushioning force for the cushion gel 126 or the alignment liquid to be alleviated.
  • the retaining wall structure 113 includes a trunk 114 and a plurality of branches 115, and a plurality of branches 115 are provided on one side of the trunk 114.
  • multiple branches 115 may be provided on both sides of the trunk 114.
  • the branches 115 on both sides can be blocked, which can better prevent the alignment liquid and the frame glue 126 from overlapping.
  • the second substrate 112 includes a first retaining wall structure 116 and a second retaining wall structure 117.
  • the first retaining wall structure 116 surrounds a circle and is disposed in the alignment Between the layer 127 and the frame glue 126; the second retaining wall structure 117 surrounds a circle and is arranged at the periphery of the frame glue 126;
  • the first retaining wall structure 116 includes a first trunk 118 and a plurality of first branches 119 and a plurality of second branches 120; a plurality of the first branches 119 are located on the side of the first trunk 118 close to the alignment layer 127, and extend in the direction of the alignment layer 127; a plurality of the second branches
  • the branch 120 is located on the side of the first trunk 118 close to the frame glue 126 and extends toward the frame glue 126;
  • the second retaining wall structure 117 includes a second trunk 121, a plurality of third branches 122 and A plurality of fourth branches 123; a plurality of the third
  • the first retaining wall structure 116 includes a first trunk 118, a first branch 119, and a second branch 120.
  • the first branch 119 is disposed on the side of the first trunk 118 near the alignment layer 127, and a plurality of first branches 119 Dividing the first trunk 118 into multiple areas can prevent the alignment fluid from flowing to a certain area and excessively accumulate, which affects the display effect.
  • the alignment fluid when the alignment fluid flows to the first trunk 118, the alignment fluid first contacts the first branch 119.
  • the first The branch 119 functions as a buffer to reduce the impact of the alignment liquid on the first trunk 118; the second branch 120 is disposed on the side of the first trunk 118 close to the frame glue 126, and the second branch 120 also slows down the frame glue 126 The impact force of the frame glue 126.
  • the first branch 119 and the second branch 120 of the first trunk 118 slow the impact of the alignment fluid or frame glue 126, making the first retaining wall structure 116 more stable overall, reducing the excessive accumulation of the frame glue 126 or alignment fluid beyond the retaining wall
  • the structure 113 thus appears to overlap.
  • the third branch 122 is arranged on the side of the second trunk 121 close to the frame glue 126, the fourth branch 123 is arranged on the side away from the frame glue 126, the third branch 122 reduces the impact force of the frame glue 126 on the second trunk 121, The fourth branch 123 plays a role in strengthening the first trunk 118.
  • the second substrate 112 includes a first retaining wall structure 116 and a second retaining wall structure 117.
  • the first retaining wall structure 116 surrounds a circle and is disposed in the alignment Between the layer 127 and the frame glue 126; the second retaining wall structure 117 surrounds a circle and is arranged on the periphery of the frame glue 126;
  • the first retaining wall structure 116 includes a first trunk 118 and a plurality of first branches 119, a plurality of the first branches 119 are located on the side of the first trunk 118 close to the frame glue 126, and extend in the direction of the frame glue 126;
  • the second retaining wall structure 117 includes a second trunk 121 And a plurality of second branches 120, and the plurality of second branches 120 are located on the side of the second trunk 121 close to the frame glue 126, and extend in the direction of the frame glue 126.
  • a first branch 119 is provided on the side of the first trunk 118 close to the frame glue 126, and the first branch 119 divides the first trunk 118 into a plurality of regions, because the first branch 119 extends toward the frame glue 126
  • the first branch 119 acts as a buffer, which reduces the force acting on the first trunk 118 and slows the The impact force of the first trunk 118, in addition, multiple areas can also divert the impact force to achieve better cushioning effect;
  • the second trunk 121 is provided with a second branch 120 on the side near the frame glue 126, the second branch 120 will A trunk 118 is divided into a plurality of areas.
  • the second branch 120 extends in the direction of the frame glue 126, when the frame glue 126 flows to the second trunk 121, the frame glue 126 first contacts the second branch 120, and the second branch 120 starts from The effect of the buffer reduces the force acting on the second trunk 121, which slows the impact of the alignment fluid on the first trunk 118. In addition, multiple areas can also divert the impact to achieve better buffering effect.
  • the first branch Both 119 and the second branch 120 exert the impact force of the frame glue 126 on the first trunk 118, making the overall retaining wall structure 113 more stable.
  • the second substrate 112 includes a first retaining wall structure 116 and a second retaining wall structure 117.
  • the first retaining wall structure 116 surrounds a circle and is disposed in the alignment Between the layer 127 and the frame glue 126; the second retaining wall structure 117 surrounds a circle and is arranged on the periphery of the frame glue 126;
  • the first retaining wall structure 116 includes a first trunk 118 and a plurality of first branches 119, a plurality of the first branches 119 are located on the side of the first trunk 118 close to the alignment layer 127, and extend in the direction of the alignment layer 127;
  • the second retaining wall structure 117 includes a second trunk 121 and multiple A plurality of second branches 120, a plurality of the second branches 120 are located on the side of the second trunk 121 close to the frame glue 126, and extend in the direction of the frame glue 126.
  • a first branch 119 is provided on the side of the first trunk 118 close to the alignment layer 127.
  • the first branch 119 divides the first trunk 118 into a plurality of regions. Since the first branch 119 extends toward the alignment layer 127 When the alignment fluid flows to the first trunk 118, the alignment fluid first contacts the first branch 119, and the first branch 119 acts as a buffer, so that the force acting on the first trunk 118 is reduced, slowing the alignment fluid to the first trunk.
  • the impact force of 118 in addition, multiple areas can also split the impact force to achieve a better cushioning effect;
  • the second trunk 121 is provided with a second branch 120 on the side near the frame glue 126, and the second branch 120 connects the first trunk 118 Divided into multiple areas, since the second branch 120 extends toward the direction of the frame glue 126, when the frame glue 126 flows to the second trunk 121, the frame glue 126 first contacts the second branch 120, and the second branch 120 acts as a buffer The effect reduces the force acting on the second main body 121 and slows the impact of the alignment fluid on the first main body 118.
  • multiple areas can also divert the impact force to achieve a better buffering effect.
  • the first branch 119 and the first Both branches 120 exert the impact force of the frame glue 126 on the first trunk 118, making the overall first retaining wall more stable.
  • the first retaining wall structure 116 blocks the alignment liquid, and the second retaining wall structure 117 blocks the alignment liquid.
  • the second substrate 112 includes a first retaining wall structure 116 and a second retaining wall structure 117.
  • the first retaining wall structure 116 surrounds a circle and is disposed in the alignment Between the layer 127 and the frame glue 126; the second retaining wall structure 117 surrounds a circle and is arranged at the periphery of the frame glue 126;
  • the first retaining wall structure 116 includes a first trunk 118 and a plurality of first branches 119 and a plurality of second branches 120; a plurality of the first branches 119 are located on the side of the first trunk 118 close to the alignment layer 127, and extend in the direction of the alignment layer 127; a plurality of the second branches
  • the branch 120 is located on the side of the first trunk 118 close to the frame glue 126 and extends in the direction of the frame glue 126;
  • the second retaining wall structure 117 includes a second trunk 121 and a plurality of third branches 122, A plurality of the third branches 122 are located on the first
  • a first branch 119 is provided on the side of the first trunk 118 close to the alignment layer 127.
  • the first branch 119 divides the first trunk 118 into a plurality of regions. Since the first branch 119 extends toward the alignment layer 127 When the alignment fluid flows to the first trunk 118, the alignment fluid first contacts the first branch 119, and the first branch 119 acts as a buffer, so that the force acting on the first trunk 118 is reduced, slowing the alignment fluid to the first trunk.
  • the impact force of 118 in addition, multiple areas can also split the impact force to achieve better cushioning effect;
  • the first trunk 118 is provided with a second branch 120 on the side near the frame glue 126, and the second branch 120 connects the first trunk 118 Divided into multiple areas, since the first branch 119 extends toward the direction of the frame glue 126, when the frame glue 126 flows to the first trunk 118, the frame glue 126 first contacts the second branch 120, and the second branch 120 acts as a buffer It reduces the force acting on the first trunk 118 and slows the impact of the alignment fluid on the first trunk 118.
  • multiple areas can also divert the impact to achieve a better cushioning effect.
  • a third branch 122 is provided on the side of the second trunk 121 close to the frame glue 126.
  • the third branch 122 divides the second trunk 121 into a plurality of regions. Since the third branch 122 extends toward the alignment layer 127, when the alignment liquid When flowing to the second trunk 121, the alignment liquid first contacts the third branch 122, and the third branch 122 acts as a buffer, so that the force acting on the second trunk 121 is reduced, and the impact force of the alignment liquid on the second trunk 121 is slowed down.
  • multiple areas can also divert the impact force to achieve a better cushioning effect, and the third branch 122 can also prevent the frame glue 126 from overflowing the display panel 110.
  • a manufacturing method of a display panel 110 is disclosed.
  • the display panel 110 is divided into a display area 124 and a non-display area 125.
  • the manufacturing method includes the steps of:
  • the retaining wall structure 113 includes a trunk 114 and a plurality of branches 115, a plurality of the branches 115 are arranged at least on a side of the trunk 114 close to the alignment layer 127 or the frame glue 126, and a plurality of the branches 115 Respectively away from the main body 114 and extending toward the alignment layer 127 or the sealant 126.
  • the retaining wall structure 113 of the present application includes a main body 114 and a plurality of branches 115.
  • the main body 114 is blocked between the alignment layer 127 and the sealant 126, which can prevent the alignment liquid and the sealant 126 forming the alignment layer 127 from overlapping and affect the alignment layer 127 and frame glue 126 performance; at the same time, the branch 115 extends in the direction of the alignment layer 127 or frame glue 126, divides the retaining wall into multiple areas, can shunt the impact force, achieve a good buffer effect, and play a good role in blocking The role of the wall; and when the frame glue 126 or the alignment liquid forming the alignment layer 127 impacts the retaining wall, the frame glue 126 or the alignment liquid can be shunted to reduce the excessive accumulation of the frame glue 126 or the alignment liquid and beyond the retaining wall structure 113 The possibility of overlapping helps to improve the display quality.
  • a display device 100 including the above-mentioned display panel 110.
  • the present application also discloses a display panel 110, which is divided into a display area 124 and a non-display area 125.
  • the display panel 110 includes a first substrate 111 and a second substrate 112, and the first substrate 111 and the second substrate 112 are opposed to each other.
  • the sealant 126 corresponding to the non-display area 125, is provided between the first substrate 111 and the second substrate 112; the alignment layer 127 is provided on the second substrate 112; the non-display area 125 of the second substrate 112
  • a retaining wall structure 113 is provided.
  • the retaining wall structure 113 includes a first retaining wall structure 116 and a second retaining wall structure 117.
  • the first retaining wall structure 116 surrounds a circle and is disposed on the alignment layer 127 and the frame glue 126; the second retaining wall structure 117 surrounds a circle and is disposed at the periphery of the frame glue 126; the first retaining wall structure 116 includes a first trunk 118, a plurality of first branches 119, and a plurality of Two branches 120; a plurality of the first branches 119 are located on the side of the first trunk 118 close to the alignment layer 127, and extend in the direction of the alignment layer 127, with an extended length of y, the first branch The extension directions of the two adjacent sub-branches 115 in 119 are different, and the distance between the two adjacent branches 115 is x; a plurality of the second branches 120 are located on the side of the first trunk 118 close to the sealant 126, And extends in the direction of the frame glue 126, the angle formed by the first branch 119 and the first trunk 118 is 45° or 135°; the second retaining wall structure 117 includes
  • the retaining wall structure 113 of this solution includes a main body 114 and a plurality of branches 115.
  • the main body 114 is blocked between the alignment layer 127 and the frame glue 126, which can prevent the alignment liquid and the frame glue 126 forming the alignment layer 127 from overlapping and affect the alignment.
  • the branch 115 extends in the direction of the alignment layer 127 or frame glue 126, divides the retaining wall into multiple areas, can shunt the impact force, achieve a good buffer effect, and play The role of the retaining wall; and when the frame glue 126 or the alignment liquid forming the alignment layer 127 impacts the retaining wall, the frame glue 126 or the alignment liquid can be diverted to reduce the excessive accumulation of the frame glue 126 or the alignment liquid beyond the retaining wall structure 113 Therefore, the possibility of overlapping is conducive to improving the display quality.
  • the angle formed by the branch 115 and the trunk 114 is 45° or 135°, which plays a role in preventing backflow and improves the display quality.
  • the technical solution of the present application can be widely used in various display panels, such as Twisted Nematic (TN) display panel, In-Plane Switching (IPS) display panel, Vertical Alignment (VA) ) Display panel, multi-quadrant vertical alignment (Multi-Domain Vertical Alignment, MVA) display panel, of course, it can also be other types of display panels, such as organic light-emitting diode (Organic Light-Emitting Diode, OLED) display panel, both The above scheme is applicable.
  • TN Twisted Nematic
  • IPS In-Plane Switching
  • VA Vertical Alignment
  • MVA multi-quadrant vertical alignment
  • OLED Organic Light-Emitting Diode

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Abstract

一种显示面板(110)、制作方法和显示装置(100)。显示面板(110)划分为显示区(124)和非显示区(125),包括:第一基板(111)、第二基板(112)以及框胶(126);框胶(126)设置在第一基板(111)和第二基板(112)之间;配向层(127),设置在第二基板(112);第二基板(112)的非显示区(125)设置有挡墙结构(113),挡墙结构(113)设置在配向层(127)和框胶(126)之间;挡墙结构(113)包括主干(114)和多条分支(115),多条分支(115)至少排列在主干(114)靠近配向层(127)或框胶(126)的一侧,多条分支(115)分别远离主干(114),并向配向层(127)或框胶(126)方向延伸。

Description

显示面板、制作方法和显示装置
本申请要求于2018年12月03日提交中国专利局,申请号为CN201811465881.9,申请名称为“一种显示面板、制作方法和显示装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域,尤其涉及一种显示面板、制作方法和显示装置。
背景技术
这里的陈述仅提供与本申请有关的背景信息,而不必然地构成现有技术。
显示面板,如薄膜晶体管液晶显示器(Thin Film Transistor-Liquid Crystal Display,TFT-LCD),TFT-LCD在灌入液晶之前,通常在做完图案(Pattern)的阵列基板(Thin Film Transistor,TFT)和彩膜基板(Color Filter,CF)先涂布一层聚酰亚胺(Polyimide,PI),以对液晶产生锚定力,使液晶具有固定的预倾角。
PI涂布到基板时为液体,经过烘干才能形成PI膜,为了避免PI液体与框胶重叠(Overlap)使框胶固化效果不佳,通常在设计时会在CF侧设计间隙子(Photo Spacer,PS)挡墙将PI液挡住。但PI液体在挡墙处回流,造成显示不均匀(Mura)。
技术解决方案
本申请提供一种显示面板、制作方法和显示装置以提升显示质量。
本申请公开了一种显示面板,划分为显示区和非显示区,包括:
第一基板、第二基板以及框胶,所述第一基板和所述第二基板对置,所述框胶对应非显示区,设置在所述第一基板和第二基板之间;配向层,设置在所述第二基板;所述第二基板的非显示区设置有挡墙结构,所述挡墙结构设置在所述配向层和框胶之间;所述挡墙结构包括主干和多条分支,多条所述分支至少排列在所述主干靠近所述配向层或框胶的一侧,多条所述分支分别远离主干,并向所述配向层或框胶方向延伸。
可选的,所述分支和所述主干之间的夹角为锐角。
可选的,所述分支和所述主干之间的夹角为45度。
可选的,所述分支包括第一方向分支和第二方向分支;所述第一方向分支的延伸方向与所述第二方向分支不同,所述第一方向分支和第二方向分支交替设置。
可选的,所述第一方向分支与所述主干之间的夹角为θ1,所述第二方向分支与所述主 干之间的夹角为θ2,其中,θ1与θ2互补。
可选的,θ1为45度,θ2为135度。
可选的,所述第一方向分支与所述主干之间的夹角为θ1,所述第二方向分支与所述主干之间的夹角为θ2,其中,θ1与θ2不互补。
可选的,所述分支的长度为y,其中,y大于2微米且小于200微米。
可选的,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;所述第一挡墙结构包括第一主干、多条第一分支和多条第二分支;多条所述第一分支位于所述第一主干靠近所述配向层一侧,并向所述配向层的方向延伸;多条所述第二分支位于所述第一主干靠近所述框胶的一侧,并向所述框胶方向延伸;所述第二挡墙结构包括第二主干、多条第三分支和多条第四分支;多条所述第三分支位于所述第二主干靠近框胶的一侧,并向所述框胶方向延伸;多条所述第四分支位于所述第二主干远离框胶的一侧,并向远离所述框胶方向延伸。
可选的,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;所述第一挡墙结构包括第一主干和多条第一分支,多条所述第一分支位于所述第一主干靠近所述框胶一侧,并向所述框胶的方向延伸;所述第二挡墙结构包括第二主干和多条第二分支,多条所述第二分支位于所述第二主干靠近框胶一侧,并向所述框胶的方向延伸。
可选的,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;所述第一挡墙结构包括第一主干和多条第一分支,多条所述第一分支位于所述第一主干靠近配向层一侧,并向所述配向层的方向延伸;所述第二挡墙结构包括第二主干和多条第二分支,多条所述第二分支位于所述第二主干靠近框胶一侧,并向所述框胶的方向延伸。
可选的,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;所述第一挡墙结构包括第一主干、多条第一分支和多条第二分支;多条所述第一分支位于所述第一主干靠近所述配向层一侧,并向所述配向层的方向延伸;多条所述第二分支位于所述第一主干靠近所述框胶一侧,并向所述框胶的方向延伸;所述第二挡墙结构包括第二主干和多条第三分支,多条所述第三分支位于所述第二主干靠近框胶一侧,并向所述框胶的方向延伸。
可选的,所述第一基板为阵列基板,所述第二基板为彩膜基板。
可选的,挡墙结构设置在第一基板上。
可选的,所述挡墙结构为间隙子。
可选的,相邻分支之间的距离相等。
可选的,相邻分支之间的距离不相等。
可选的,相邻的两个所述分支之间的距离为x,其中x大于2微米,且小于200微米。
本申请还公开了一种显示面板的制作方法,所述显示面板划分为显示区和非显示区,所述制作方法包括步骤:
形成第一基板;
在第二基板衬底上对应非显示区形成挡墙结构;
在第二基板衬底上,在挡墙结构靠近显示区的内侧注入配向液,形成配向层得到第二基板;
在第一基板和第二基板之间,对应挡墙结构的外侧形成框胶;
完成第一基板和第二基板的对盒,得到液晶盒;
其中,所述挡墙结构包括主干和多条分支,多条所述分支至少排列在所述主干靠近所述配向层或框胶的一侧,多条所述分支分别远离主干,并向所述配向层或框胶方向延伸。
本申请还公开了一种显示装置,包括上述的显示面板。
相对于挡墙结构只有主干的方案来说,本申请挡墙结构包括主干和多条分支,所述主干挡在配向层和框胶之间,可以防止形成配向层的配向液和框胶交叠,影响配向层和框胶的性能;同时,该分支向配向层或框胶方向延伸,将挡墙划分为多个区域,可以分流冲击力,达到更好的缓冲效果,更好的发挥挡墙的作用;并且可以使得框胶或形成配向层的配向液在冲击挡墙时,将框胶或配向液进行分流,减少框胶或配向液过分堆积而超出挡墙结构从而交叠的可能性,有利于提升显示质量。
附图说明
所包括的附图用来提供对本申请实施例的理解,其构成了说明书的一部分,用于例示本申请的实施方式,并与文字描述一起来阐释本申请的原理。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,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。在附图中:
图1是本申请的一实施例的一种示例性挡墙结构的示意图;
图2是本申请的一实施例的另一种示例性挡墙结构的示意图;
图3是本申请的一实施例的一种显示面板的整体结构示意图;
图4是本申请的一实施例的一种挡墙结构的示意图(1);
图5是本申请的一实施例的一种挡墙结构的示意图(2);
图6是本申请的一实施例的一种挡墙结构的示意图(3);
图7是本申请的一实施例的一种挡墙结构的示意图(4);
图8是本申请的一实施例的一种显示面板制作方法的流程示意图;
图9是本申请的一实施例的一种显示装置的示意图。
具体实施方式
需要理解的是,这里所使用的术语、公开的具体结构和功能细节,仅仅是为了描述具体实施例,是代表性的,但是本申请可以通过许多替换形式来具体实现,不应被解释成仅受限于这里所阐述的实施例。
在本申请的描述中,术语“第一”、“第二”仅用于描述目的,而不能理解为指示相对重要性,或者隐含指明所指示的技术特征的数量。由此,除非另有说明,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征;“多个”的含义是两个或两个以上。术语“包括”及其任何变形,意为不排他的包含,可能存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
另外,“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系的术语,是基于附图所示的方位或相对位置关系描述的,仅是为了便于描述本申请的简化描述,而不是指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
此外,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,或是两个元件内部的连通。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本申请中的具体含义。
薄膜晶体管液晶显示器(Thin Film Transistor-Liquid Crystal Display,TFT-LCD)在灌入液晶之前,通常在做完图案(Pattern)的阵列基板(Thin Film Transistor,TFT)和彩膜基板(Color Filter,CF)先涂布一层聚酰亚胺(Polyimide,PI),以对液晶产生锚定力,使液晶具有固定的预倾角。然后PI涂布到基板时为液体,经过烘干才能形成PI膜,为了避免PI液体与框胶交叠(Overlap)使框胶固化效果不佳,通常在设计时会在CF侧设计间隙子(Photo Spacer,PS)将PI液挡住,使其不与框胶交叠。参考图1和图2是示例性的PS挡墙设计。该种挡墙能起到挡住PI液的作用,但是由于PI挡墙较高(通常有2~5微米(μm)左右),这种设计会造成部分PI液体在挡墙处回流,往显示区(Active Area,AA)方向,这样会造成PI液体较近的区域,若这些区域存在有效显示区,会造成显示不均匀(Mura)。同理,框胶涂布到基板上也是液体,挡墙也可阻止框胶扩散。
下面参考附图和可选的实施例对本申请作进一步说明。
如图1至图9所示,本申请实施例公开了一种显示面板110,划分为显示区124和非显示区125,所述显示面板110包括:第一基板111和第二基板112,所述第一基板111和所述第二基板112对置;框胶126,对应非显示区125,设置在所述第一基板111和第二基板112之间;配向层127,设置在所述第二基板112;所述第二基板112的非显示区125设置有挡墙结构113,所述挡墙结构113设置在所述配向层127和框胶126之间;所述挡墙结构113包括主干114和多条分支115,多条所述分支115至少排列在所述主干114靠近所述配向层127或框胶126的一侧,多条所述分支115分别远离主干114,并向所述配向层127或框胶126方向延伸。
相对于如图1和图2中所示的方案来说,此方案的挡墙能起到挡住PI液的作用,由于PI挡墙较高(通常有2μm至5μm左右),这种设计会造成部分PI液体在挡墙处回流,往显示区124(Active Area,AA)的方向,这样会造成PI液体较近的区域,若这些区域存在有效显示区124,会造成不均匀(Mura)。同理,框胶126涂布到基板上也是液体,挡墙也可防止框胶126扩散。本方案中,挡墙结构113包括主干114和多条分支115,所述主干114挡在配向层127和框胶126之间,可以防止形成配向层127的配向液和框胶126交叠,影响配向层127和框胶126的性能;同时,该分支115向配向层127或框胶126方向延伸,将挡墙划分为多个区域,可以分流冲击力,达到很好的缓冲效果,很好的发挥挡墙的作用;并且使得框胶126或形成配向层127的配向液在冲击挡墙时,可以将框胶126或配向液进行分流,减少框胶126或配向液过分堆积而超出挡墙结构113从而交叠的可能性,并可以减少配向液或框胶堆积而使得第一基板和第二基板对应位置被顶起而影响显示效果的情况,有利于提升显示质量。
其中,第一基板111为阵列基板,第二基板112为彩膜基板,当然,该第一基板111为彩膜基板,该第二基板112为阵列基板,也是可以的。并且,该阵列基板可以是彩色滤光片设置在阵列基板(Color Filter on Array,COA)上。
该挡墙结构113设置在阵列基板或彩膜基板上,或者两个基板上都设置也是可以的,两基板上都设置时,位置对应或不对应皆可;对应设置时,两侧的挡墙结构可以做得薄些,利用已经有膜层即可,有利于减少制程,以及节约材料。如此设置,只要可以阻挡配向液或框胶126,防止配向液或框胶126的重叠即可。另外,挡墙结构113可以为间隙子(Photo Spacer,PS),或者黑矩阵,或者为单独设置的挡墙结构113都是可以的,都能起到挡住配向液或框胶126的作用。
在一实施例中,相邻的两分支115之间的距离相等且都为x,其中2μm<x<200μm,当x小于2μm时,分支115的数量设置得较密,阻挡效果不好;若x大于200μm时,分支115的数量设置得较疏,分支115没有起到遮挡的作用,阻挡效果也不好。当然,相邻的 两分支115之间的距离不相等也是可以的,也是可以起到阻挡配向液或者框胶126的作用的。
如图4所示,在一实施例中,所述分支115和所述主干114之间的夹角为锐角。本方案中,所述分支115和所述主干114之间呈倾斜的夹角,在迎着框胶126或者配向液流动的方向,与挡墙结构113的分支115以及主干114的接触面积较大,阻挡效果更好。当然所述分支115和主干114之间不是锐角也是可以的,例如,主干114和分支115之间是直角,当主干114和分支115之间的夹角为直角时,挡墙结构的分流效果好,但是防止回流的效果没有锐角好。
在一实施例中,所述分支115包括第一方向分支128和第二方向分支129;所述第一方向分支128的延伸方向与所述第二方向分支129不同,所述第一方向分支128和第二方向分支129交替设置。
如图5所示,其中,该第一方向分支与主干所构成的角度θ1,与第二方向分支与主干所构成的角度θ2不同,例如该θ1可以为45度,该θ2可以为135度,当然,该θ1和θ2不互补也是可以的。
本方案中,分支115包括第一方向分支128和第二方向分支129,第一方向分支128和第二方向分支129为同一侧的分支115,第一方向分支128的延伸方向和第二方向分支129不同。由于配向液或框胶126的方向流向多个方向,第一方向的分支115和第二方向分支129的延伸方向不同,对于不同方向流向的框胶126或者配向液,起到分流的作用,防止框胶126或配向液过分堆积于某个区域,可以把不同方向的引导到不同的区域,使得显示面板110的均一性。当然,多条所述分支115延伸的方向也可以是一致的,多条分支115都往左延伸或都往右延伸,也是可以实现防止配向液或者框胶126重叠。
在一实施例中,所述分支115与所述主干114的夹角为锐角,夹角为45°。本方案中,所述分支115和所述主干114的夹角为锐角,且为45°,使得配向液或框胶126与分支115的接触面积大。当配向液或框胶126流向挡墙结构113时,首先和支干接触,由于分支115和主干114的夹角为45°,支干挡住框胶126或配向液,沿着一定的夹角返回,能防止框胶126或配向液回流,阻挡效果好。当然,所述分支115和主干114所成的角度范围为5°<θ<175°皆可。
如图4所示,在一实施例中,所述分支115的长度为y,其中,y大于2微米且小于200微米。本方案中,分支115的长度为y,且2μm<y<200μm。若y的值小于2μm,分支115起不到阻挡的功能,因此也起不到缓冲的作用,就难以实现减缓配向液或框胶126的冲击力的目的,也难以实现分流和防止堆积的效果;若y的值大于200μm,则分支115占用的空间大,因此,将分支115延伸的长度范围设置在2μm<y<200μm,既能起到很好的阻挡效果,又能占用较少的空间。
在一实施例中,挡墙结构113的数量为一个,或挡墙结构113的数量有两个,都是可以的。其中,这里所指的挡墙结构113只包括主干114,不包含分支115。当挡墙结构113的数量有两个的时候,两个挡墙结构113,一个设置在靠近显示区124的,另一个设置在远离显示区124的位置。有两个挡墙结构113相对于只有一个挡墙结构113的方案来说,设置两个挡墙结构113,靠近显示区124的挡墙结构113可以阻挡从显示区124流出的配向液,而远离显示区124的挡墙结构113可以阻挡在两个挡墙结构113的框胶126,使得配向液和框胶126不相互重叠(Overlap)。
在一实施例中,所述挡墙结构113的数量有两个,靠近显示区124的挡墙结构113为第一挡墙,远离显示区124的挡墙结构113为第二挡墙,所述第一挡墙和第二挡墙之间涂布有框胶126。所述第一挡墙包含主干114和分支115,第二挡墙只包含主干114。当然,也可以为第一挡墙只包含主干114,第二挡墙包含主干114和分支115,这样也是可以的,也可以实现配向液和框胶126不重叠的功能的。
在一实施例中,所述挡墙结构113包括主干114和多条只干,所述主干114和多条所述分支115连接,多条所述分支115分别向远离主干114的方向延伸,且都朝向框胶126。在本方案中,分支115的延伸方向都朝向框胶126,对于框胶126的阻挡效果更好。当然,分支115延伸的方向朝向配向层127也是可以的,只要分支115起到减缓的框胶126或配向液的冲击力即可。
在一实施例中,挡墙结构113包括主干114和多条分支115,所述主干114的一侧设有多条分支115。当然,主干114的两侧也可以都设置多条分支115,当主干114的两侧都设置多条分支115的时候,相对于只设置一侧的分支115的方案来说,两侧的分支115可以挡住两侧的配向液或者框胶126,可以更好的防止配向液和框胶126的重叠。
如图4所示,在一实施例中,所述第二基板112包括第一挡墙结构116和第二挡墙结构117,所述第一挡墙结构116环绕一圈,设置在所述配向层127和框胶126之间;所述第二挡墙结构117环绕一圈,设置在所述框胶126的外围;所述第一挡墙结构116包括第一主干118、多条第一分支119和多条第二分支120;多条所述第一分支119位于所述第一主干118靠近所述配向层127一侧,并向所述配向层127的方向延伸;多条所述第二分支120位于所述第一主干118靠近所述框胶126的一侧,并向所述框胶126方向延伸;所述第二挡墙结构117包括第二主干121、多条第三分支122和多条第四分支123;多条所述第三分支122位于所述第二主干121靠近框胶126的一侧,并向所述框胶126方向延伸;多条所述第四分支123位于所述第二主干121远离框胶126的一侧,并向远离所述框胶126方向延伸。
本方案中,第一挡墙结构116包括第一主干118、第一分支119和第二分支120,第一分支119设置在第一主干118靠近配向层127的一侧,多个第一分支119将第一主干118划 分为多个区域,可以防止配向液流向某一个区域,过分堆积,影响显示效果;另外,配向液流向第一主干118时,配向液首先和第一分支119接触,第一分支119起到缓冲的作用,减少配向液对第一主干118的冲击力;第二分支120设置在第一主干118靠近框胶126的一侧,第二分支120对框胶126也起到减缓框胶126的冲击力的作用。第一主干118的第一分支119和第二分支120减缓了配向液或框胶126的冲击力,使得第一挡墙结构116整体更稳固,减少框胶126或配向液过分堆积而超出挡墙结构113从而出现交叠的可能。第三分支122设置在第二主干121靠近框胶126的一侧,第四分支123设置在远离框胶126的一侧,第三分支122减缓了框胶126对第二主干121的冲击力,第四分支123对第一主干118起到了加固的作用。
如图5所示,在一实施例中,所述第二基板112包括第一挡墙结构116和第二挡墙结构117,所述第一挡墙结构116环绕一圈,设置在所述配向层127和框胶126之间;所述第二挡墙结构117环绕一圈,设置在所述框胶126的外围;所述第一挡墙结构116包括第一主干118和多条第一分支119,多条所述第一分支119位于所述第一主干118靠近所述框胶126一侧,并向所述框胶126的方向延伸;所述第二挡墙结构117包括第二主干121和多条第二分支120,多条所述第二分支120位于所述第二主干121靠近框胶126一侧,并向所述框胶126的方向延伸。
本方案中,第一主干118靠近框胶126的一侧设置有第一分支119,第一分支119将第一主干118划分为多个区域,由于第一分支119朝着框胶126的方向延伸,当框胶126流向第一主干118时,框胶126首先和第一分支119接触,第一分支119起到缓冲的作用,使得作用到第一主干118的力减少,减缓了框胶126对第一主干118的冲击力,另外,多个区域也能分流冲击力,达到更好的缓冲效果;第二主干121靠近框胶126的一侧设置有第二分支120,第二分支120将第一主干118划分为多个区域,由于第二分支120朝着框胶126的方向延伸,当框胶126流向第二主干121时,框胶126首先和第二分支120接触,第二分支120起到缓冲的作用,使得作用到第二主干121的力减少,减缓了配向液对第一主干118的冲击力,另外,多个区域也能分流冲击力,达到更好的缓冲效果,第一分支119和第二分支120都起到了框胶126对第一主干118的冲击力,使得整体的挡墙结构113更稳固。
如图6所示,在一实施例中,所述第二基板112包括第一挡墙结构116和第二挡墙结构117,所述第一挡墙结构116环绕一圈,设置在所述配向层127和框胶126之间;所述第二挡墙结构117环绕一圈,设置在所述框胶126的外围;所述第一挡墙结构116包括第一主干118和多条第一分支119,多条所述第一分支119位于所述第一主干118靠近配向层127一侧,并向所述配向层127的方向延伸;所述第二挡墙结构117包括第二主干121和多条第二分支120,多条所述第二分支120位于所述第二主干121靠近框胶126一侧,并向所述框胶 126的方向延伸。
本方案中,第一主干118靠近配向层127的一侧设置有第一分支119,第一分支119将第一主干118划分为多个区域,由于第一分支119朝着配向层127的方向延伸,当配向液流向第一主干118时,配向液首先和第一分支119接触,第一分支119起到缓冲的作用,使得作用到第一主干118的力减少,减缓了配向液对第一主干118的冲击力,另外,多个区域也能分流冲击力,达到更好的缓冲效果;第二主干121靠近框胶126的一侧设置有第二分支120,第二分支120将第一主干118划分为多个区域,由于第二分支120朝着框胶126的方向延伸,当框胶126流向第二主干121时,框胶126首先和第二分支120接触,第二分支120起到缓冲的作用,使得作用到第二主干121的力减少,减缓了配向液对第一主干118的冲击力,另外,多个区域也能分流冲击力,达到更好的缓冲效果,第一分支119和第二分支120都起到了框胶126对第一主干118的冲击力,使得整体的第一挡墙更稳固。第一挡墙结构116挡住了配向液,第二挡墙结构117挡住了配向液。
如图7所示,在一实施例中,所述第二基板112包括第一挡墙结构116和第二挡墙结构117,所述第一挡墙结构116环绕一圈,设置在所述配向层127和框胶126之间;所述第二挡墙结构117环绕一圈,设置在所述框胶126的外围;所述第一挡墙结构116包括第一主干118、多条第一分支119和多条第二分支120;多条所述第一分支119位于所述第一主干118靠近所述配向层127一侧,并向所述配向层127的方向延伸;多条所述第二分支120位于所述第一主干118靠近所述框胶126一侧,并向所述框胶126的方向延伸;所述第二挡墙结构117包括第二主干121和多条第三分支122,多条所述第三分支122位于所述第二主干121靠近框胶126一侧,并向所述框胶126的方向延伸。
本方案中,第一主干118靠近配向层127的一侧设置有第一分支119,第一分支119将第一主干118划分为多个区域,由于第一分支119朝着配向层127的方向延伸,当配向液流向第一主干118时,配向液首先和第一分支119接触,第一分支119起到缓冲的作用,使得作用到第一主干118的力减少,减缓了配向液对第一主干118的冲击力,另外,多个区域也能分流冲击力,达到更好的缓冲效果;第一主干118靠近框胶126的一侧设置有第二分支120,第二分支120将第一主干118划分为多个区域,由于第一分支119朝着框胶126的方向延伸,当框胶126流向第一主干118时,框胶126首先和第二分支120接触,第二分支120起到缓冲的作用,使得作用到第一主干118的力减少,减缓了配向液对第一主干118的冲击力,另外,多个区域也能分流冲击力,达到更好的缓冲效果,第一分支119和第二分支120都起到了配向液或框胶126对第一主干118的冲击力,使得整体的第一挡墙更稳固。第二主干121靠近框胶126的一侧设置有第三分支122,第三分支122将第二主干121划分为多个区域,由于第三分支122朝着配向层127的方向延伸,当配向液流向第二主干121时, 配向液首先和第三分支122接触,第三分支122起到缓冲的作用,使得作用到第二主干121的力减少,减缓了配向液对第二主干121的冲击力,另外,多个区域也能分流冲击力,达到更好的缓冲效果,第三分支122也能防止框胶126溢出显示面板110外。
如图8所示,作为本申请的另一实施例,公开了一种显示面板110的制作方法,所述显示面板110划分为显示区124和非显示区125,所述制作方法包括步骤:
S81:形成第一基板111;
S82:在第二基板112衬底上对应非显示区125形成挡墙结构113;
S83:在第二基板112衬底上,在挡墙结构113靠近显示区124的内侧注入配向液,形成配向层127得到第二基板112;
S84:在第一基板111和第二基板112之间,对应挡墙结构113的外侧形成框胶126;以及
S85:完成第一基板111和第二基板112的对盒,得到液晶盒;
其中,所述挡墙结构113包括主干114和多条分支115,多条所述分支115至少排列在所述主干114靠近所述配向层127或框胶126的一侧,多条所述分支115分别远离主干114,并向所述配向层127或框胶126方向延伸。
本申请挡墙结构113包括主干114和多条分支115,所述主干114挡在配向层127和框胶126之间,可以防止形成配向层127的配向液和框胶126交叠,影响配向层127和框胶126的性能;同时,该分支115向配向层127或框胶126方向延伸,将挡墙划分为多个区域,可以分流冲击力,达到很好的缓冲效果,很好的发挥挡墙的作用;并且使得框胶126或形成配向层127的配向液在冲击挡墙时,可以将框胶126或配向液进行分流,减少框胶126或配向液过分堆积而超出挡墙结构113从而交叠的可能性,有利于提升显示质量。
如图9所示,作为本申请的另一实施例,公开了一种显示装置100,包括上述的显示面板110。
本申请还公开了一种显示面板110,划分为显示区124和非显示区125,显示面板110包括第一基板111和第二基板112,所述第一基板111和第二基板112对置,框胶126,对应非显示区125,设置在所述第一基板111和第二基板112之间;配向层127,设置在所述第二基板112;所述第二基板112的非显示区125设置有挡墙结构113,所述挡墙结构113包括第一挡墙结构116和第二挡墙结构117,所述第一挡墙结构116环绕一圈,设置在所述配向层127和框胶126之间;所述第二挡墙结构117环绕一圈,设置在所述框胶126的外围;所述第一挡墙结构116包括第一主干118、多条第一分支119和多条第二分支120;多条所述第一分支119位于所述第一主干118靠近所述配向层127一侧,并向所述配向层127的方向延伸,延伸的长度为y,所述第一分支119的相邻两条子分支115的延伸方向不同,相邻 的两条分支115的间距为x;多条所述第二分支120位于所述第一主干118靠近所述框胶126的一侧,并向所述框胶126方向延伸,第一分支119与第一主干118所成的角度为45°或135°;所述第二挡墙结构117包括第二主干121、多条第三分支122和多条第四分支123;多条所述第三分支122位于所述第二主干121靠近框胶126的一侧,并向所述框胶126方向延伸;多条所述第四分支123位于所述第二主干121远离框胶126的一侧,并向远离所述框胶126方向延伸。
本方案的挡墙结构113包括主干114和多条分支115,所述主干114挡在配向层127和框胶126之间,可以防止形成配向层127的配向液和框胶126交叠,影响配向层127和框胶126的性能;同时,该分支115向配向层127或框胶126方向延伸,将挡墙划分为多个区域,可以分流冲击力,达到很好的缓冲效果,很好的发挥挡墙的作用;并且使得框胶126或形成配向层127的配向液在冲击挡墙时,可以将框胶126或配向液进行分流,减少框胶126或配向液过分堆积而超出挡墙结构113从而交叠的可能性,有利于提升显示质量。另外,分支115与主干114所成的角度为45°或135°,起到防止回流的作用,提高了显示质量。
需要说明的是,本方案中涉及到的各步骤的限定,在不影响具体方案实施的前提下,并不认定为对步骤先后顺序做出限定,写在前面的步骤可以是在先执行的,也可以是在后执行的,甚至也可以是同时执行的,只要能实施本方案,都应当视为属于本申请的保护范围。
本申请的技术方案可以广泛用于各种显示面板,如扭曲向列型(Twisted Nematic,TN)显示面板、平面转换型(In-Plane Switching,IPS)显示面板、垂直配向型(Vertical Alignment,VA)显示面板、多象限垂直配向型(Multi-Domain Vertical Alignment,MVA)显示面板,当然,也可以是其他类型的显示面板,如有机发光二极管(Organic Light-Emitting Diode,OLED)显示面板,均可适用上述方案。
以上内容是结合具体的可选的实施方式对本申请所作的进一步详细说明,不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说,在不脱离本申请构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本申请的保护范围。

Claims (20)

  1. 一种显示面板,划分为显示区和非显示区,所述显示面板包括:
    第一基板;
    第二基板,所述第一基板和所述第二基板对置;以及
    框胶,对应非显示区,设置在所述第一基板和第二基板之间;
    配向层,设置在所述第二基板;
    所述第二基板的非显示区设置有挡墙结构,所述挡墙结构设置在所述配向层和框胶之间;
    所述挡墙结构包括主干和多条分支,多条所述分支至少排列在所述主干靠近所述配向层或框胶的一侧,多条所述分支分别远离主干,并向所述配向层或框胶方向延伸。
  2. 如权利要求1所述的一种显示面板,其中,所述分支和所述主干之间的夹角为锐角。
  3. 如权利要求2所述的一种显示面板,其中,所述分支和所述主干之间的夹角为45度。
  4. 如权利要求1所述的一种显示面板,其中,所述分支包括第一方向分支和第二方向分支;
    所述第一方向分支的延伸方向与所述第二方向分支不同,所述第一方向分支和第二方向分支交替设置。
  5. 如权利要求4所述的一种显示面板,其中,所述第一方向分支与所述主干之间的夹角为θ1,所述第二方向分支与所述主干之间的夹角为θ2,其中,θ1与θ2互补。
  6. 如权利要求5所述的一种显示面板,其中,θ1为45度,θ2为135度。
  7. 如权利要求4所述的一种显示面板,其中,所述第一方向分支与所述主干之间的夹角为θ1,所述第二方向分支与所述主干之间的夹角为θ2,其中,θ1与θ2不互补。
  8. 如权利要求1所述的一种显示面板,其中,所述分支的长度为y,其中,y大于2微米且小于200微米。
  9. 如权利要求1所述的一种显示面板,其中,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;
    所述第一挡墙结构包括第一主干、多条第一分支和多条第二分支;
    多条所述第一分支位于所述第一主干靠近所述配向层一侧,并向所述配向层的方向延伸;
    多条所述第二分支位于所述第一主干靠近所述框胶的一侧,并向所述框胶方向延伸;
    所述第二挡墙结构包括第二主干、多条第三分支和多条第四分支;
    多条所述第三分支位于所述第二主干靠近框胶的一侧,并向所述框胶方向延伸;
    多条所述第四分支位于所述第二主干远离框胶的一侧,并向远离所述框胶方向延伸。
  10. 如权利要求1所述的一种显示面板,其中,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;
    所述第一挡墙结构包括第一主干和多条第一分支,多条所述第一分支位于所述第一主干靠近所述框胶一侧,并向所述框胶的方向延伸;
    所述第二挡墙结构包括第二主干和多条第二分支,多条所述第二分支位于所述第二主干靠近框胶一侧,并向所述框胶的方向延伸。
  11. 如权利要求1所述的一种显示面板,其中,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;
    所述第一挡墙结构包括第一主干和多条第一分支,多条所述第一分支位于所述第一主干靠近配向层一侧,并向所述配向层的方向延伸;
    所述第二挡墙结构包括第二主干和多条第二分支,多条所述第二分支位于所述第二主干靠近框胶一侧,并向所述框胶的方向延伸。
  12. 如权利要求1所述的一种显示面板,其中,所述第二基板包括第一挡墙结构和第二挡墙结构,所述第一挡墙结构环绕一圈,设置在所述配向层和框胶之间;所述第二挡墙结构环绕一圈,设置在所述框胶的外围;
    所述第一挡墙结构包括第一主干、多条第一分支和多条第二分支;多条所述第一分支位于所述第一主干靠近所述配向层一侧,并向所述配向层的方向延伸;
    多条所述第二分支位于所述第一主干靠近所述框胶一侧,并向所述框胶的方向延伸;
    所述第二挡墙结构包括第二主干和多条第三分支,多条所述第三分支位于所述第二主干靠近框胶一侧,并向所述框胶的方向延伸。
  13. 如权利要求1所述的一种显示面板,其中,所述第一基板为阵列基板,所述第二基板为彩膜基板。
  14. 如权利要求1所述的一种显示面板,其中,所述挡墙结构设置在所述第一基板上。
  15. 如权利要求1所述的一种显示面板,其中,所述挡墙结构为间隙子。
  16. 如权利要求1所述的一种显示面板,其中,相邻分支之间的距离相等。
  17. 如权利要求1所述的一种显示面板,其中,相邻分支之间的距离不相等。
  18. 如权利要求1所述的一种显示面板,其中,相邻的两个所述分支之间的距离为x,其中x大于2微米,且小于200微米。
  19. 一种显示面板的制作方法,所述显示面板划分为显示区和非显示区,所述制作方法包括步骤:
    形成第一基板;
    在第二基板衬底上对应非显示区形成挡墙结构;
    在第二基板衬底上,在挡墙结构靠近显示区的内侧注入配向液,形成配向层得到第二基板;
    在第一基板和第二基板之间,对应挡墙结构的外侧形成框胶;
    完成第一基板和第二基板的对盒,得到液晶盒;
    其中,所述挡墙结构包括主干和多条分支,多条所述分支至少排列在所述主干靠近所述配向层或框胶的一侧,多条所述分支分别远离主干,并向所述配向层或框胶方向延伸。
  20. 一种显示装置,包括显示面板,所述显示面板包括:
    第一基板;
    第二基板,所述第一基板和所述第二基板对置;以及
    框胶,对应非显示区,设置在所述第一基板和第二基板之间;
    配向层,设置在所述第二基板;
    所述第二基板的非显示区设置有挡墙结构,所述挡墙结构设置在所述配向层和框胶之间;
    所述挡墙结构包括主干和多条分支,多条所述分支至少排列在所述主干靠近所述配向层或框胶的一侧,多条所述分支分别远离主干,并向所述配向层或框胶方向延伸。
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