WO2016141670A1 - 显示面板、显示装置以及显示面板的制造方法 - Google Patents

显示面板、显示装置以及显示面板的制造方法 Download PDF

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Publication number
WO2016141670A1
WO2016141670A1 PCT/CN2015/086456 CN2015086456W WO2016141670A1 WO 2016141670 A1 WO2016141670 A1 WO 2016141670A1 CN 2015086456 W CN2015086456 W CN 2015086456W WO 2016141670 A1 WO2016141670 A1 WO 2016141670A1
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substrate
retaining wall
display panel
width
groove
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PCT/CN2015/086456
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English (en)
French (fr)
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陈娟
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京东方科技集团股份有限公司
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Priority to US15/126,509 priority Critical patent/US10859886B2/en
Publication of WO2016141670A1 publication Critical patent/WO2016141670A1/zh

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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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/161—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

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  • Embodiments of the present invention relate to a display panel, a display device including the display panel, and a method of manufacturing the display panel.
  • the conventional display panel has a retaining wall 5 disposed between the first substrate 1 and the second substrate 2 of the display panel and having a first end portion disposed on the second substrate 2 and The second end portion of the first end portion is provided with an ink area between the adjacent retaining walls 5, and the ink area between the retaining walls 5 is provided with the ink 3, since each of the retaining walls 5 is in the manufacturing process.
  • the heights cannot be identical, resulting in a gap between the second end of the different retaining wall 5 and the first substrate 1, so that the ink 3 in the ink region may circulate to the adjacent ink region, causing crosstalk or bubble generation.
  • the display effect of the display panel is greatly affected.
  • it also affects the display effect of display devices such as electronic tags, electrochromic transparent display devices, and the like.
  • a display panel including: a first substrate; a second substrate disposed opposite to the first substrate; and a retaining wall disposed on the first substrate and the second substrate And having a first end portion disposed on the second substrate and a second end portion opposite to the first end portion; and a material layer disposed on a side of the first substrate facing the second substrate, The layer of material is provided with a groove that mates with the second end of the retaining wall.
  • the groove has a depth of from 0.1 ⁇ m to 5 ⁇ m and a width of from 5 ⁇ m to 50 ⁇ m; and the width of the retaining wall is from 5 ⁇ m to 50 ⁇ m.
  • the width of the groove is greater than the width of the retaining wall; And the difference between the width of the groove and the width of the retaining wall is less than or equal to 2 ⁇ m.
  • partition walls are formed between adjacent grooves, and the partition walls have a width of 100 ⁇ m to 1000 ⁇ m.
  • the material layer is made of a resin.
  • the second end of the retaining wall has a substantially complementary shape to the recess.
  • the height of the retaining wall is from 10 ⁇ m to 100 ⁇ m.
  • a display device including the above display panel.
  • a method of manufacturing a display panel includes: providing a first substrate; providing a second substrate; forming a retaining wall on the second substrate, the retaining wall having a second substrate a first end portion and a second end portion opposite the first end portion, forming a material layer on the first substrate and forming a groove in the material layer, the groove and the second end of the retaining wall Cooperating; and assembling the first substrate and the second substrate together such that the second end of the retaining wall fits in the recess.
  • the step of forming a recess includes: coating a photoresist as a material layer on the first substrate; exposing the photoresist using the mask; and developing the exposed photoresist to The groove is obtained.
  • the material layer is made of a resin.
  • the second end of the retaining wall has a substantially complementary shape to the recess.
  • the groove has a depth of from 0.1 ⁇ m to 5 ⁇ m and a width of from 5 ⁇ m to 50 ⁇ m; and the width of the retaining wall is from 5 ⁇ m to 50 ⁇ m.
  • the height of the retaining wall is from 10 ⁇ m to 100 ⁇ m.
  • the width of the groove is greater than the width of the retaining wall; and the difference between the width of the groove and the width of the retaining wall is less than or equal to 2 ⁇ m.
  • partition walls are formed between adjacent grooves, and the partition walls have a width of 100 ⁇ m to 1000 ⁇ m.
  • An embodiment of the present invention provides a display panel including: a first substrate, a second substrate, and a retaining wall, wherein the retaining wall is disposed between the first substrate and the second substrate, and the oil Ink, the ink is disposed between the retaining walls; wherein a resin layer is disposed on a side of the first substrate facing the second substrate, and the resin layer is disposed to cooperate with the retaining wall Groove.
  • FIG. 1 is a schematic structural view of a display panel according to an embodiment of the present invention.
  • FIG. 2 shows a schematic structural view of a conventional display panel.
  • FIG. 1 is a schematic structural view of a display panel according to an embodiment of the present invention, including: a first substrate 1; a second substrate 2 disposed opposite to the first substrate 1; a retaining wall 5, the retaining wall 5 being disposed Between the first substrate 1 and the second substrate 2 and having a first end disposed on the second substrate 2 (eg, connected to the second substrate 2) and a second end opposite the first end Ink 3, the ink 3 is disposed between the retaining walls 5; and on a side of the first substrate 1 facing the second substrate 2 (the lower side of the first substrate as shown in FIG. 1) A material layer 6 is provided which is provided with a recess 4 which cooperates with the second end of the retaining wall.
  • the material layer may be made of a resin.
  • the second end of the retaining wall 5 may have a substantially complementary shape to the recess 4. As shown in FIG. 1 , different retaining walls 5 have different heights.
  • the retaining wall 5 and the first substrate 1 are There is a gap between them, which causes the ink 3 phase of the adjacent ink area to circulate, which will cause crosstalk or generate bubble.
  • a groove is formed on the material layer, so that the second end of the retaining wall 5 is engaged with the groove 4 after assembly, that is, the second end of the retaining wall 5 is extended.
  • the second end of the retaining wall 5 of different heights can protrude into the groove 4, and the second end of the retaining wall and the inner wall of the groove.
  • the sealing structure is formed so that the ink 3 in the adjacent ink regions does not flow, thereby avoiding crosstalk and avoiding generation of bubbles.
  • the groove has a depth of 0.1 ⁇ m to 5 ⁇ m and a width of 5 ⁇ m to 50 ⁇ m.
  • the height of the retaining wall may be from 10 ⁇ m to 100 ⁇ m, and the width may be from 5 ⁇ m to 50 ⁇ m.
  • partition walls are formed between adjacent grooves, and the partition walls have a width of 100 ⁇ m to 1000 ⁇ m.
  • the width of the groove is larger than the width of the retaining wall, and the difference between the width of the groove and the width of the retaining wall is less than or equal to 2 ⁇ m.
  • the groove is provided, after the first substrate and the second substrate are assembled together, the second end of the retaining wall is engaged with the groove, that is, the retaining wall The second end portion protrudes into the groove, thereby preventing ink from flowing between the adjacent ink regions through the gap between the retaining wall and the first substrate, avoiding ink crosstalk between adjacent pixels and avoiding generation bubble.
  • a display device comprising the above display panel.
  • the display device includes an electronic paper, an electronic tag, an electrochromic transparent display device, and the like.
  • An embodiment of the present invention further provides a method of manufacturing a display panel, comprising the steps of: providing a first substrate 1; providing a second substrate 2; forming a retaining wall 5 on the second substrate 1, the retaining wall 5 having a setting a first end on the second substrate 2 and a second end opposite the first end; forming a material layer on the first substrate 1 and forming a groove 4 in the material layer, the groove 4 Cooperating with the second end of the retaining wall 5; and assembling the first substrate 1 and the second substrate 2 together such that the second end of the retaining wall 5 fits in the recess 4.
  • the recess 4 is produced by a patterning process.
  • the step of forming a recess includes: coating a photoresist as a material layer on the first substrate; exposing the photoresist using the mask; and drying and developing the exposed photoresist to obtain Said groove.
  • the photoresist can be made of a resin.
  • the groove has a depth ranging from 0.1 ⁇ m to 5 ⁇ m and a width of 5 ⁇ m to 50 ⁇ m.
  • the height of the retaining wall may range from 10 ⁇ m to 100 ⁇ m, and the width may be from 5 ⁇ m to 50 ⁇ m.
  • a partition wall is formed between the grooves 4, and the partition wall has a width of 100 ⁇ m to 1000 ⁇ m.
  • the specific manufacturing process of the groove is: coating a photoresist on the first substrate, performing vacuum drying after the photoresist coating is completed, that is, drying for 600 seconds under the condition of a temperature of 100 photographic system;
  • the template was exposed to the coated photoresist for 25 seconds; dried at 230 degrees Celsius for 500 seconds; then developed for 200 seconds; and finally dried at 230 degrees Celsius for 200 seconds to obtain the above grooves.
  • the display panel having the groove can prevent crosstalk and air bubbles due to the difference in the height of the retaining wall.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示面板、包括所述显示面板的显示装置以及所述显示面板的制造方法。显示面板包括：第一基板（1）；与第一基板（1）相对设置的第二基板（2）；挡墙（5），所述挡墙（5）设置在所述第一基板（1）和第二基板（2）之间并且具有设置在第二基板（2）上的第一端部和与第一端部相对的第二端部；以及在所述第一基板（1）的朝向所述第二基板（2）的一侧设置的材料层（6），所述材料层（6）设置有与所述挡墙（5）的第二端部相配合的凹槽（4）。

Description

显示面板、显示装置以及显示面板的制造方法 技术领域
本发明的实施例涉及一种显示面板、包括该显示面板的显示装置以及显示面板的制造方法。
背景技术
如图2所示，传统的显示面板具有挡墙5，挡墙5设置在显示面板的第一基板1和第二基板2之间并且具有设置在第二基板2上的第一端部以及与第一端部相对的第二端部，相邻的挡墙5之间设有油墨区域，而在挡墙5之间的油墨区域设置有油墨3，由于在制造过程中，各个挡墙5的高度无法完全相同，导致了不同的挡墙5的第二端部与第一基板1之间存在间隙，从而油墨区域中的油墨3可能流通到相邻的油墨区域，从而导致串扰或者产生气泡，这样，显示面板的显示效果受到很大影响。基于类似理由，其也影响包括电子标签，电致变色透明显示装置等显示装置的显示效果。
发明内容
本发明的实施例的目的在于提供一种显示面板、显示装置以及显示面板的制造方法，由此至少减轻油墨区域中的油墨流通到相邻的油墨区域中的问题。
根据本发明的实施例，提供了一种显示面板，其包括：第一基板；与第一基板相对设置的第二基板；挡墙，所述挡墙设置在所述第一基板和第二基板之间并且具有设置在第二基板上的第一端部和与第一端部相对的第二端部；以及在所述第一基板的朝向所述第二基板的一侧设置的材料层，所述材料层设置有与所述挡墙的第二端部相配合的凹槽。
根据本发明的实施例，所述凹槽的深度为0.1μm-5μm，其宽度为5μm-50μm；且所述挡墙的宽度为5μm-50μm。
根据本发明的实施例，所述凹槽的宽度大于所述挡墙的宽度； 且所述凹槽的宽度与所述挡墙的宽度之差小于或等于2μm。
根据本发明的实施例，相邻的所述凹槽之间形成有隔壁，所述隔壁的宽度为100μm-1000μm。
根据本发明的实施例，所述材料层由树脂制成。
根据本发明的实施例，所述挡墙的第二端部与所述凹槽具有大致互补的形状。
根据本发明的实施例，所述挡墙的高度为10μm-100μm。
根据本发明的实施例，提供了一种显示装置，所述显示装置包括上述的显示面板。
根据本发明的实施例，提供了一种显示面板的制造方法，包括：提供第一基板；提供第二基板；在第二基板上形成挡墙，所述挡墙具有设置在第二基板上的第一端部和与第一端部相对的第二端部，在所述第一基板上形成材料层并且在材料层中形成凹槽，所述凹槽与所述挡墙的第二端部相配合；以及将第一基板和第二基板组装在一起，使得所述挡墙的第二端部配合在所述凹槽中。
根据本发明的实施例，形成凹槽的步骤包括：在第一基板上涂覆作为材料层的光刻胶；利用掩模板对光刻胶进行曝光；以及对曝光后的光刻胶进行显影以获得所述凹槽。
根据本发明的实施例，所述材料层由树脂制成。
根据本发明的实施例，所述挡墙的第二端部与所述凹槽具有大致互补的形状。
根据本发明的实施例，所述凹槽的深度为0.1μm-5μm，其宽度为5μm-50μm；且所述挡墙的宽度为5μm-50μm。
根据本发明的实施例，所述挡墙的高度为10μm-100μm。
根据本发明的实施例，所述凹槽的宽度大于所述挡墙的宽度；且所述凹槽的宽度与所述挡墙的宽度之差小于或等于2μm。
根据本发明的实施例，相邻的所述凹槽之间形成有隔壁，所述隔壁的宽度为100μm-1000μm。
本发明的实施例提供一种显示面板，其包括：第一基板，第二基板，挡墙，所述挡墙设置在所述第一基板和第二基板之间，油 墨，所述油墨设置在所述挡墙之间；其中，在所述第一基板朝向所述第二基板的一侧设有树脂层，在所述树脂层设置有与所述挡墙相配合的凹槽。
附图说明
本发明的这些和/或其他方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1是本发明的实施例的显示面板的结构示意图；
图2示出了传统的显示面板的结构示意图。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。另外，在下面的详细描述中，为便于解释，阐述了许多具体的细节以提供对本披露实施例的全面理解。然而明显地，一个或多个实施例在没有这些具体细节的情况下也可以被实施。在其他情况下，公知的结构和装置以图示的方式体现以简化附图。如图1示出了根据本发明的实施方式的显示面板的结构示意图，其包括：第一基板1；与第一基板1相对设置的第二基板2；挡墙5，所述挡墙5设置在所述第一基板1和第二基板2之间并且具有设置在第二基板2上(例如，与第二基板2连接)的第一端部和与第一端部相对的第二端部；油墨3，所述油墨3设置在所述挡墙5之间；以及在所述第一基板1的朝向所述第二基板2的一侧(如图1所示的第一基板的下侧)设置的材料层6，所述材料层设置有与所述挡墙的第二端部相配合的凹槽4。
如图1所示，所述材料层可以由树脂制成。所述挡墙5的第二端部可以与所述凹槽4具有大致互补的形状。如图1所示，不同的挡墙5具有不同的高度，传统的显示面板中，如图2所示，在第一基板1和第二基板2组装后，挡墙5与第一基板1之间具有间隙，从而导致了相邻油墨区域的油墨3相流通，其将产生串扰或者产生 气泡。
根据本发明的实施例所提供的技术方案，在材料层上形成了凹槽，从而挡墙5的第二端部在组装后与凹槽4配合，即，挡墙5的第二端部伸入到凹槽4内，由于凹槽4具有一定深度，从而，不同高度的挡墙5的第二端部都可以伸入到凹槽4内，挡墙的第二端部与凹槽的内壁形成了密封结构，从而相邻油墨区域的油墨3不会产生流通，从而避免了串扰以及避免了产生气泡。
在本发明的实施方式中，凹槽的深度为0.1μm-5μm，其宽度为5μm-50μm，通过上述设置可以更好地补偿由于挡墙的高度不同而造成的缝隙，从而，避免油墨流通。挡墙的高度可以为10μm-100μm，其宽度可以为5μm-50μm。根据本发明的实施方式，相邻的凹槽之间形成有隔壁，隔壁的宽度为100μm-1000μm。凹槽的宽度大于所述挡墙的宽度，且凹槽的宽度与所述挡墙的宽度之差小于或等于2μm，通过上述设置，可以使得所述凹槽与挡墙的第二端部的配合更紧密，防止油墨流通。
利用本发明的实施例的技术方案，由于设置了凹槽，从而在将第一基板和第二基板组装在一起后，挡墙的第二端部与所述凹槽配合，即，挡墙的第二端部伸入到所述凹槽内，从而避免了油墨通过挡墙与第一基板之间的缝隙在邻近油墨区域之间流通，避免了相邻像素之间的油墨串扰以及避免了产生气泡。
根据本发明的实施例，还提供了一种显示装置，所述显示装置包括上述的显示面板。该显示装置包括电子纸、电子标签、电致变色透明显示装置等。
本发明的实施例还提供了一种显示面板的制造方法，包括如下步骤：提供第一基板1；提供第二基板2；在第二基板1上形成挡墙5，所述挡墙5具有设置在第二基板2上的第一端部和与第一端部相对的第二端部；在所述第一基板1上形成材料层并且在材料层中形成凹槽4，所述凹槽4与所述挡墙5的第二端部相配合；以及将第一基板1和第二基板2组装在一起，使得所述挡墙5的第二端部配合在所述凹槽4中。
根据本发明的实施例，凹槽4通过一次构图工艺制得。具体地，形成凹槽的步骤包括：在第一基板上涂覆作为材料层的光刻胶；利用掩模板对光刻胶进行曝光；以及对曝光后的光刻胶进行干燥、显影以获得所述凹槽。光刻胶可以由树脂制成。
例如，凹槽的深度范围为0.1μm-5μm，其宽度为5μm-50μm，采用彩色油墨，挡墙的高度范围可以为10μm-100μm，其宽度可以为5μm-50μm。凹槽4之间形成有隔壁，所述隔壁的宽度为100μm-1000μm。
凹槽的具体制作工艺为：在第一基板上涂覆光刻胶，在光刻胶涂覆完成后进行真空干燥，即，在温度为100摄制度的条件下，烘干600秒；利用掩模板对涂覆的光刻胶曝光25秒；在230摄氏度下烘干500秒；然后进行显影200秒；最后在230摄氏度下烘干200秒，得到上述凹槽。通过上述方式，使得具有凹槽的显示面板能够防止由于挡墙高度不同而带来的串扰及气泡。
以上实施方式仅用于说明本发明，而并非对本发明的限制，有关技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下，还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明的范畴，本发明的专利保护范围应由权利要求限定。以上所述，仅为本发以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此。

Claims (16)

  1. 一种显示面板，其包括：
    第一基板；
    与第一基板相对设置的第二基板；
    挡墙，所述挡墙设置在所述第一基板和第二基板之间并且具有设置在第二基板上的第一端部和与第一端部相对的第二端部；以及
    在所述第一基板的朝向所述第二基板的一侧设置的材料层，所述材料层设置有与所述挡墙的第二端部相配合的凹槽。
  2. 根据权利要求1所述的显示面板，其中，
    所述凹槽的深度为0.1μm-5μm，其宽度为5μm-50μm；且
    所述挡墙的宽度为5μm-50μm。
  3. 根据权利要求1所述的显示面板，其中，
    所述凹槽的宽度大于所述挡墙的宽度；
    且所述凹槽的宽度与所述挡墙的宽度之差小于或等于2μm。
  4. 根据权利要求1所述的显示面板，其中，
    相邻的所述凹槽之间形成有隔壁，所述隔壁的宽度为100μm-1000μm。
  5. 根据权利要求1所述的显示面板，其中，
    所述材料层由树脂制成。
  6. 根据权利要求1所述的显示面板，其中，
    所述挡墙的第二端部与所述凹槽具有大致互补的形状。
  7. 根据权利要求2所述的显示面板，其中，
    所述挡墙的高度为10μm-100μm。
  8. 一种显示装置，所述显示装置包括权利要求1-6任一项所述的显示面板。
  9. 一种显示面板的制造方法，包括如下步骤：
    提供第一基板；
    提供第二基板；
    在第二基板上形成挡墙，所述挡墙具有设置在第二基板上的第一端部和与第一端部相对的第二端部；
    在所述第一基板上形成材料层并且在材料层中形成凹槽，所述凹槽与所述挡墙的第二端部相配合；以及
    将第一基板和第二基板组装在一起，使得所述挡墙的第二端部配合在所述凹槽中。
  10. 根据权利要求9所述的显示面板的制造方法，其中，
    形成凹槽的步骤包括：
    在第一基板上涂覆作为材料层的光刻胶；
    利用掩模板对光刻胶进行曝光；以及
    对曝光后的光刻胶进行显影以获得所述凹槽。
  11. 根据权利要求9所述的显示面板的制造方法，其中，
    所述材料层由树脂制成。
  12. 根据权利要求9所述的显示面板的制造方法，其中，
    所述挡墙的第二端部与所述凹槽具有大致互补的形状。
  13. 根据权利要求9所述的显示面板的制造方法，其中，
    所述凹槽的深度为0.1μm-5μm，其宽度为5μm-50μm；且
    所述挡墙的宽度为5μm-50μm。
  14. 根据权利要求13所述的显示面板的制造方法，其中，
    所述挡墙的高度为10μm-100μm。
  15. 根据权利要求9所述的显示面板的制造方法，其中，
    所述凹槽的宽度大于所述挡墙的宽度；
    且所述凹槽的宽度与所述挡墙的宽度之差小于或等于2μm。
  16. 根据权利要求9所述的显示面板的制造方法，其中，
    相邻的所述凹槽之间形成有隔壁，所述隔壁的宽度为100μm-1000μm。
PCT/CN2015/086456 2015-03-11 2015-08-10 显示面板、显示装置以及显示面板的制造方法 WO2016141670A1 (zh)

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