WO2017067363A1 - 隔垫物、显示面板及其制造方法和显示装置 - Google Patents

隔垫物、显示面板及其制造方法和显示装置 Download PDF

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Publication number
WO2017067363A1
WO2017067363A1 PCT/CN2016/099457 CN2016099457W WO2017067363A1 WO 2017067363 A1 WO2017067363 A1 WO 2017067363A1 CN 2016099457 W CN2016099457 W CN 2016099457W WO 2017067363 A1 WO2017067363 A1 WO 2017067363A1
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WO
WIPO (PCT)
Prior art keywords
spacer
substrate
main
photoresist
connecting portion
Prior art date
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PCT/CN2016/099457
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English (en)
French (fr)
Inventor
赵剑
吕凤珍
刘金良
Original Assignee
京东方科技集团股份有限公司
合肥鑫晟光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 合肥鑫晟光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/501,774 priority Critical patent/US20180335917A1/en
Publication of WO2017067363A1 publication Critical patent/WO2017067363A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • 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
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • G02F1/13392—Gaskets; Spacers; Sealing of cells spacers dispersed on the cell substrate, e.g. spherical particles, microfibres
    • 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
    • G02F1/13396—Spacers having different sizes
    • 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
    • G02F1/13398—Spacer materials; Spacer properties

Definitions

  • the present disclosure relates to the field of display technologies, and in particular, to a spacer, a display panel, a method of manufacturing the same, and a display device.
  • the liquid crystal display Compared with the traditional cathode ray tube display, the liquid crystal display (LCD) has the advantages of light body, low power consumption, no radiation, and long service life. It is the above-mentioned advantages that the liquid crystal display, as a flat panel display device, is widely used in electronic products such as mobile phones, computers, televisions, digital cameras, etc., and has occupied a dominant position in the flat panel display market.
  • the liquid crystal display panel is an important component of the liquid crystal display, and the liquid crystal display panel may include a color film substrate and an array substrate disposed opposite to each other.
  • the spacers are generally classified into a Ball Spacer (BS) and a Post Spacer (PS) according to the type of the process. Since the height, position and topography of the column spacer can be accurately controlled by the photolithography process, the use of the column spacer has great advantages in terms of improving the display performance of the liquid crystal display panel.
  • BS Ball Spacer
  • PS Post Spacer
  • the strong external force exceeds the bearing capacity of the spacer, and the spacer is easily broken, thereby causing the spacer to fall off from the substrate on which the spacer is disposed, thereby causing liquid crystal
  • the display panel is poorly displayed, which reduces the display quality of the liquid crystal display panel.
  • the present disclosure provides a spacer, a display panel, a method of manufacturing the same, and a display device to prevent display failure of the display panel, thereby improving display quality of the display panel.
  • the present disclosure provides a spacer for interposing between a first substrate and a second substrate, the spacer comprising a plurality of main spacer portions and a connecting portion, The plurality of main spacer portions and the connecting portion are located above the first substrate, the connecting portion is located between the plurality of main spacer portions and is configured to connect the plurality of main spacer portions .
  • the spacer further comprises a secondary spacer portion, the auxiliary spacer portion being located above the connecting portion.
  • the auxiliary spacer portion is located between adjacent main spacer portions, and the number of the auxiliary spacer portions above the connection portion between the adjacent main spacer portions is plural.
  • the height ratio of the height of the main spacer portion to the height of the connecting portion is greater than 6/5.
  • a height ratio of a height of the main spacer portion to a height of the connecting portion and the auxiliary spacer portion is less than 11/9.
  • the main spacer portion, the connecting portion and the auxiliary spacer portion are integrally formed.
  • the lateral width of the main spacer portion is smaller than the lateral width of the connecting portion.
  • the present disclosure provides a display panel including a first substrate and a second substrate disposed opposite to each other, and the spacer is disposed between the first substrate and the second substrate.
  • the present disclosure provides a display device including the above display panel.
  • the present disclosure provides a method of manufacturing a display panel, comprising: forming a spacer over a first substrate, the spacer comprising a plurality of main spacer portions and a connecting portion, the connecting portion Located between the plurality of main spacer portions and for connecting the plurality of main spacer portions; and opposingly disposed the first substrate and the second substrate, the plurality of main spacer portions and the connection portion Located between the first substrate and the second substrate.
  • the spacer further comprises a secondary spacer portion, the auxiliary spacer portion being located above the connecting portion.
  • the forming a spacer over the first substrate comprises: forming a spacer material layer on the first substrate; forming a photoresist on the spacer material layer;
  • the photoresist plate exposes the photoresist and develops the exposed photoresist to form a photoresist completely reserved region, a photoresist semi-reserved region, and a photoresist non-reserved region, wherein the photoresist is completely a retention area for forming the main spacer portion, the photoresist semi-retention area for forming the connection portion and the auxiliary spacer portion, the photoresist semi-reserved area including a first photoresist half Retain sub-region and second photoresist half Retaining the sub-region; etching the spacer material layer corresponding to the photoresist non-retained region by a first etching process; removing the first photoresist semi-reserved sub-region by a first ashing process; Et
  • a spacer is disposed between the first substrate and the second substrate, and the spacer comprises a plurality of main spacer portions and a connection a connecting portion between the plurality of main spacer portions and for connecting the plurality of main spacer portions, and by providing a connection portion between the plurality of main spacer portions, the ability of the spacer to withstand an external force is increased and increased.
  • the contact area between the spacer and the first substrate is increased, and the separation from the first substrate caused by the breakage of the spacer is avoided, thereby preventing display defects of the display panel and improving the display quality of the display panel.
  • 1a is a schematic structural view of a spacer provided by some embodiments of the present disclosure.
  • FIG. 1b is a schematic plan view showing the first substrate of FIG. 1a;
  • FIG. 2 is a schematic structural diagram of a display panel according to some embodiments of the present disclosure.
  • FIG. 3 is a flowchart of a method of manufacturing a display panel according to some embodiments of the present disclosure
  • FIG. 4 is a more detailed flowchart of the first step of the manufacturing method of FIG. 3;
  • Figure 5a is a schematic illustration of a layer of spacer material formed in accordance with some embodiments of the present disclosure
  • FIG. 5b is a schematic diagram of forming a photoresist according to some embodiments of the present disclosure.
  • Figure 5c is a schematic illustration of exposure through a mask plate, in accordance with some embodiments of the present disclosure.
  • Figure 5d is a schematic illustration of the formation of a primary septum portion, a connecting portion, and a secondary septum portion, in accordance with some embodiments of the present disclosure.
  • FIG. 1a is a schematic structural view of a spacer provided by some embodiments of the present disclosure.
  • the spacer is disposed between the first substrate 1 and the second substrate (not shown), and the spacer includes a plurality of main spacer portions 3 and a connecting portion 4, and a plurality of mains
  • the spacer portion 3 and the connecting portion 4 are located above the first substrate 1, and the connecting portion 4 is located between the main spacer portions 3 and is used to connect the main spacer portion 3.
  • a plurality of main spacer portions 3 are disposed above the first substrate 1, and the adjacent main spacer portions 3 are spaced apart from each other, and optionally, the plurality of main spacer portions 3 are evenly distributed.
  • a connection portion 4 is provided between adjacent main spacer portions 3, and the connection portion 4 can connect adjacent main spacer portions 3. Providing the connecting portion 4 improves the ability of the spacer to withstand an external force.
  • the main spacer portion 3 and the connecting portion 4 are integrally formed.
  • the main spacer portion 3 and the connecting portion 4 are integrally formed, which increases the contact area between the entire spacer and the first substrate 1, prevents the spacer from falling off from the first substrate 1 under a large external force, and can Completed in a patterning process, reducing manufacturing difficulty.
  • the spacer further includes a secondary spacer portion 5 located above the connecting portion 4 and between the adjacent main spacer portions 3.
  • the number of the auxiliary spacer portions 5 located above the connecting portion 4 between the adjacent main spacer portions 3 is plural.
  • the plurality of auxiliary spacer portions 5 are evenly distributed.
  • the auxiliary spacer portion 5 serves as a support when the main spacer portion 3 is compressed to a certain extent, and the auxiliary main spacer portion 3 is supported between the first substrate 1 and the second substrate to maintain the first substrate 1 and the second substrate. The thickness of the box between the substrates.
  • the height h1 of the main spacer portion 3 is larger than the height h3 of the connecting portion 4.
  • the height ratio of the height h1 of the main spacer portion 3 to the height h3 of the connecting portion 4 is greater than 6/5. Setting the above height ratio increases the elasticity of the spacer.
  • the height h1 of the main spacer portion 3 is larger than the sum h2 of the heights of the connecting portion 4 and the auxiliary spacer portion 5.
  • the height ratio of the height of the main spacer portion 3 to the sum of the heights of the connecting portion 4 and the auxiliary spacer portion 5 is less than 11/9. Setting the above height ratio improves the supporting ability of the auxiliary spacer portion 5.
  • the lateral width of the main spacer portion 3 is smaller than the lateral width of the connecting portion 4.
  • the main spacer portion 3 receives a vertical external force, since the lateral width of the main spacer portion 3 is smaller than the lateral width of the connecting portion 4, Therefore, in the lateral width direction, the main spacer portion 3 can release a certain vertical external force without being affected by the connecting portion 4, thereby ensuring the elasticity of the main spacer portion 3, thereby ensuring the adjustment of the main spacer portion 3 Thick ability.
  • the direction in which the main spacer portion 3 and the connecting portion 4 are connected as shown in Fig. 1a is a lateral direction
  • the lateral width is the width shown in Fig. 1a.
  • the main spacer portion 3, the connecting portion 4, and the auxiliary spacer portion 5 are integrally formed.
  • the main spacer portion 3 and the connecting portion 4 are integrally formed, which increases the contact area between the entire spacer and the first substrate 1, prevents the spacer from falling off from the first substrate 1 under a large external force, and can It is completed by one exposure process, which reduces manufacturing difficulty and saves manufacturing costs.
  • the first substrate 1 is a color filter substrate
  • the second substrate is an array substrate
  • a liquid crystal layer is further disposed between the first substrate 1 and the second substrate (the second substrate and the liquid crystal layer are not specifically illustrated in the figure) Draw).
  • FIG. 1b is a schematic plan view of the first substrate 1 of FIG. 1a.
  • the first substrate 1 is a color filter substrate, and the first substrate 1 includes a base substrate 11 and a black matrix 12 and a color block on the substrate substrate 11, wherein the color block can be The red color block R, the green color block G and the blue color block B are included.
  • the main spacer portion 3, the connecting portion 4, and the auxiliary spacer portion 5 are all located above the black matrix 12.
  • the shape of the connecting portion 4 may be strip-shaped.
  • the auxiliary septum portion 5 is not shown in the plan view of Fig. 1b, and the auxiliary septum portion 5 can be specifically seen in Fig. 1a.
  • the main spacer portion 3 is supported between the first substrate 1 and the second substrate to maintain a cell thickness between the first substrate 1 and the second substrate.
  • the function of the connecting portion 4 is to connect the different main spacer portions 3 together, and increase the contact area between the entire spacer and the first substrate 1, thereby preventing the spacer from being detached from the first substrate when subjected to a large external force. 1 fell off.
  • the height of the main spacer portion 3 is compressed to the sum h2 of the heights of the connecting portion 4 and the auxiliary spacer portion 5, at which time the auxiliary spacer portion 5 can assist the main spacer
  • the portion 3 is supported between the first substrate 1 and the second substrate to maintain a cell thickness between the first substrate 1 and the second substrate.
  • the connecting portion 4 can assist the main spacer portion 3 and the auxiliary spacer
  • the pad portion 5 is supported between the first substrate 1 and the second substrate to maintain a cell thickness between the first substrate 1 and the second substrate.
  • the spacer comprises a main spacer portion and a connecting portion, and the connecting portion is located between the main spacer portions and is used for connecting the main spacer portion.
  • the connecting portion increases the ability of the spacer to withstand an external force and increases the contact area between the spacer and the first substrate, thereby preventing the spacer from being detached from the first substrate, thereby avoiding the display panel A display failure has occurred, which improves the display quality of the display panel.
  • the auxiliary spacer portion is provided on the connecting portion, which further improves the ability of the spacer to withstand an external force.
  • FIG. 2 is a schematic structural diagram of a display panel 20 according to some embodiments of the present disclosure.
  • the display panel 20 includes a first substrate 1 and a second substrate 2 disposed opposite to each other, and a spacer is disposed between the first substrate 1 and the second substrate 2.
  • the spacer provided by the above embodiment may be used.
  • the spacer refer to the above embodiment, and the description is not repeated here.
  • a spacer is disposed between the first substrate 1 and the second substrate 2, and the spacer includes a plurality of main spacer portions 3 and a connecting portion 4, and the connecting portion 4 Located between the main septum portions 3 and for connecting the main septum portions 3.
  • Embodiments of the present disclosure also provide a display device including the display panel provided by the above embodiments.
  • a spacer is disposed between the first substrate and the second substrate, the spacer includes a plurality of main spacer portions and a connecting portion, and the connecting portion is located at the main spacer portion Between and between the main spacer portions, by providing a connection portion between the main spacer portions, the ability of the spacer to withstand an external force is increased and the contact area between the spacer and the first substrate is increased. The detachment from the first substrate caused by the breakage of the spacer is avoided, thereby avoiding display failure of the display panel and improving the display quality of the display panel.
  • the auxiliary spacer portion is provided on the connecting portion, which further improves the ability of the spacer to withstand an external force.
  • FIG. 3 is a flow chart of a method of fabricating a display panel according to some embodiments of the present disclosure. As shown in FIG. 3, the method includes steps 101 and 102.
  • Step 101 Forming a spacer over the first substrate, the spacer comprising a plurality of main spacer portions and a connecting portion between the main spacer portions and for connecting the main spacer portions.
  • the spacer further comprises a secondary spacer portion, the auxiliary spacer portion being located above the connecting portion.
  • Step 101 can include sub-steps 1011-1019.
  • Sub-step 1011 forming a layer of spacer material over the first substrate.
  • Figure 5a is a schematic illustration of forming a layer of spacer material in accordance with some embodiments of the present disclosure. As shown in FIG. 5a, a spacer material layer 6 is formed over the first substrate 1, and the spacer material layer 6 covers the entire first substrate 1.
  • Sub-step 1012 forming a photoresist over the spacer material layer.
  • Figure 5b is a schematic illustration of the formation of a photoresist in accordance with some embodiments of the present disclosure. As shown in Figure 5b, a photoresist 7 is applied over the spacer material layer 6.
  • Sub-step 1013 exposing the photoresist through the mask and developing the exposed photoresist to form a photoresist completely reserved region, a photoresist semi-reserved region, and a photoresist non-reserved region, wherein photolithography
  • the glue completely reserved area is used to form the main spacer portion
  • the photoresist semi-retention area is used to form the connection portion and the auxiliary spacer portion.
  • Figure 5c is a schematic illustration of exposure through a mask plate, in accordance with some embodiments of the present disclosure.
  • the mask 8 may be a half gray mask or a halftone mask.
  • the mask 8 is placed over the photoresist 7 and exposed to the photoresist through the mask 8.
  • the mask 8 includes a completely transparent region 81, a semi-transmissive region, and an opaque region 84.
  • the semi-transmissive region includes a first semi-transmissive sub-region 82 and a second semi-transmissive sub-region 83.
  • the completely transparent region 81 corresponds to the photoresist completely reserved region
  • the semi-transmissive region corresponds to the photoresist semi-retained region
  • the opaque region 84 corresponds to the photoresist non-reserved region.
  • the photoresist semi-reserved region includes a first photoresist semi-reserved sub-region and a second photoresist semi-reserved sub-region
  • the first semi-transmissive sub-region 82 corresponds to the first photoresist semi-reserved sub-region
  • the photonic region 83 corresponds to the second photoresist half-retained sub-region.
  • the first photoresist semi-retained sub-region and the second photoresist are formed after exposure and development.
  • the thickness of the semi-reserved sub-region is different.
  • Sub-step 1014 etching the spacer material layer corresponding to the non-retained region of the photoresist by a first etching process.
  • Sub-step 1015 The first photoresist semi-reserved sub-region is removed by a first ashing process. At this time, the second photoresist semi-retaining sub-region and the photoresist completely remaining region remain on the upper side of the first substrate 1.
  • Sub-step 1016 after removing the first photoresist semi-reserved sub-region by a second etching process The exposed layer of spacer material is etched.
  • Sub-step 1017 The second photoresist semi-reserved sub-region is removed by a second ashing process. At this time, a photoresist completely reserved region remains above the first substrate 1.
  • Sub-step 1018 etching the spacer material layer exposed after removing the second photoresist sub-reservation sub-region and the spacer material layer subjected to the second etching process by a third etching process to form A partial connecting portion located below the gap between the auxiliary spacer portions, the auxiliary spacer portion, and a partial connecting portion located below the auxiliary spacer portion.
  • a complete connecting portion 5 is formed, which includes a partial connecting portion located below the gap between the auxiliary spacer portions and a partial connecting portion located below the auxiliary spacer portion.
  • Sub-step 1019 removing the photoresist completely retained region to form a main spacer portion.
  • Figure 5d is a schematic illustration of the formation of a primary septum portion, a connecting portion, and a secondary septum portion, in accordance with some embodiments of the present disclosure. As shown in FIG. 5d, after the above sub-steps are completed, the main spacer portion 3, the connecting portion 4, and the auxiliary spacer portion 5 are formed on the first substrate 1.
  • Step 102 The first substrate and the second substrate are oppositely disposed, and the main spacer portion and the connecting portion are located between the first substrate and the second substrate.
  • the first substrate 1 and the second substrate 2 are subjected to a process of a box to form a display panel.
  • the manufacturing method of the display panel provided by the embodiment can be used to manufacture the display panel provided by the above embodiment.
  • a spacer is disposed between the first substrate and the second substrate, the spacer includes a plurality of main spacer portions and a connecting portion, and the connecting portion is located at the main partition Between the pad portions and for connecting the main spacer portions, by providing a connection portion between the main spacer portions, the ability of the spacer to withstand an external force is increased and the contact between the spacer and the first substrate is increased. The area is prevented from falling off from the first substrate due to the breakage of the spacer, thereby avoiding display failure of the display panel and improving the display quality of the display panel.
  • the auxiliary spacer portion is provided on the connecting portion, which further improves the ability of the spacer to withstand an external force.
  • the main spacer portion, the connecting portion, and the auxiliary spacer portion can be completed by a single exposure process, thereby reducing manufacturing difficulty and saving manufacturing costs.

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

Abstract

一种隔垫物、显示面板（20）及其制造方法和显示装置。该隔垫物包括多个主隔垫部（3）和连接部（4），所述主隔垫部（3）和所述连接部（4）位于所述第一基板（1）之上，所述连接部（4）位于所述主隔垫部（3）之间且用于将所述主隔垫部（3）连接。

Description

隔垫物、显示面板及其制造方法和显示装置
相关申请的交叉引用
本申请主张在2015年10月23日在中国提交的中国专利申请号No.201510698699.8的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及显示技术领域，特别涉及一种隔垫物、显示面板及其制造方法和显示装置。
背景技术
液晶显示器(Liquid Crystal Display，简称：LCD)相比于传统的阴极射线管显示器，具有机身轻薄、耗电低、无辐射、使用寿命长等优点。正是具有上述优点，液晶显示器作为一种平板显示装置，被广泛应用于手机、计算机、电视、数码相机等电子产品中，已占据平板显示市场的主导地位。
液晶显示面板是液晶显示器的重要部件，该液晶显示面板可包括相对设置的彩膜基板和阵列基板。为了维持液晶显示面板的盒厚的一致性，主要采用在阵列基板和彩膜基板之间设置一定高度的隔垫物来实现。隔垫物按工艺类型一般划分为球状隔垫物(Ball Spacer，简称BS)和柱状隔垫物(Post Spacer，简称PS)。由于柱状隔垫物的高度、位置和形貌可通过光刻工艺准确控制，因而从提高液晶显示面板的显示性能方面考虑，使用柱状隔垫物具有很大的优势。
相关技术中，当液晶显示面板受到强外力作用时，该强外力超过了隔垫物的承受能力，容易造成隔垫物断裂，导致该隔垫物从其所设置的基板上脱落，从而造成液晶显示面板发生显示不良，降低了液晶显示面板的显示品质。
发明内容
本公开提供一种隔垫物、显示面板及其制造方法和显示装置，以避免显示面板发生显示不良，从而提高显示面板的显示品质。
为实现上述目的，本公开提供了一种隔垫物，所述隔垫物用于设置在第一基板和第二基板之间，所述隔垫物包括多个主隔垫部和连接部，所述多个主隔垫部和所述连接部位于所述第一基板之上，所述连接部位于所述多个主隔垫部之间且用于将所述多个主隔垫部连接。
可选地，所述隔垫物还包括辅隔垫部，所述辅隔垫部位于所述连接部之上。
可选地，所述辅隔垫部位于相邻的主隔垫部之间，并且位于相邻的主隔垫部之间的连接部之上的辅隔垫部的数量为多个。
可选地，所述主隔垫部的高度与所述连接部的高度的高度比大于6/5。
可选地，所述主隔垫部的高度与所述连接部和所述辅隔垫部的高度之和的高度比小于11/9。
可选地，所述主隔垫部、所述连接部和所述辅隔垫部一体成型。
可选地，所述主隔垫部的横向宽度小于所述连接部的横向宽度。
为实现上述目的，本公开提供了一种显示面板，包括相对设置的第一基板和第二基板，所述第一基板和所述第二基板之间设置有上述隔垫物。
为实现上述目的，本公开提供了一种显示装置，包括：上述显示面板。
为实现上述目的，本公开提供了一种显示面板的制造方法，包括：在第一基板之上形成隔垫物，所述隔垫物包括多个主隔垫部和连接部，所述连接部位于所述多个主隔垫部之间且用于将所述多个主隔垫部连接；以及将所述第一基板和第二基板相对设置，所述多个主隔垫部和连接部位于所述第一基板和所述第二基板之间。
可选地，所述隔垫物还包括辅隔垫部，所述辅隔垫部位于所述连接部之上。
可选地，所述在第一基板之上形成隔垫物包括：在所述第一基板之上形成隔垫物材料层；在所述隔垫物材料层之上形成光刻胶；通过掩膜板对所述光刻胶进行曝光并对曝光后的光刻胶进行显影，形成光刻胶完全保留区域、光刻胶半保留区域和光刻胶不保留区域，其中所述光刻胶完全保留区域用于形成所述主隔垫部，所述光刻胶半保留区域用于形成所述连接部和所述辅隔垫部，所述光刻胶半保留区域包括第一光刻胶半保留子区域和第二光刻胶半 保留子区域；通过第一次刻蚀工艺刻蚀掉所述光刻胶不保留区域对应的隔垫物材料层；通过第一次灰化工艺去除所述第一光刻胶半保留子区域；通过第二次刻蚀工艺对去除所述第一光刻胶半保留子区域后暴露出的隔垫物材料层进行刻蚀，形成位于所述辅隔垫部之间的间隙下方的部分连接部；通过第二次灰化工艺去除所述第二光刻胶半保留子区域；通过第三次刻蚀工艺对去除所述第二光刻胶半保留子区域后暴露出的隔垫物材料层进行刻蚀，形成辅隔垫部和位于所述辅隔垫部下方的部分连接部，所述连接部包括位于所述辅隔垫部下方的部分连接部和位于所述辅隔垫部之间的间隙下方的部分连接部；以及去除所述光刻胶完全保留区域，形成所述主隔垫部。
本公开具有以下有益效果：
本公开提供的隔垫物、显示面板及其制造方法和显示装置的技术方案中，第一基板和第二基板之间设置有隔垫物，该隔垫物包括多个主隔垫部和连接部，连接部位于多个主隔垫部之间且用于将多个主隔垫部连接，通过在多个主隔垫部之间设置连接部，增加了隔垫物承受外力的能力且增大了隔垫物和第一基板之间的接触面积，避免了隔垫物断裂而导致的从第一基板上脱落，从而避免了显示面板发生显示不良，提高了显示面板的显示品质。
附图说明
图1a为本公开的一些实施例提供的隔垫物的结构示意图；
图1b为图1a中的第一基板的平面结构示意图；
图2为本公开的一些实施例提供的显示面板的结构示意图；
图3为本公开的一些实施例提供的显示面板的制造方法的流程图；
图4为图3的制造方法的第一步骤的更详细流程图；
图5a为本公开的一些实施例的形成隔垫物材料层的示意图；
图5b为本公开的一些实施例的形成光刻胶的示意图；
图5c为本公开的一些实施例的通过掩膜板进行曝光的示意图；以及
图5d为本公开的一些实施例的形成主隔垫部、连接部和辅隔垫部的示意图。
具体实施方式
为使本领域的技术人员更好地理解本公开的技术方案，下面结合附图对本公开提供的隔垫物、显示面板及其制造方法和显示装置进行详细描述。
图1a为本公开的一些实施例提供的隔垫物的结构示意图。如图1a所示，该隔垫物用于设置在第一基板1和第二基板(未示出)之间，该隔垫物包括多个主隔垫部3和连接部4，多个主隔垫部3和连接部4位于第一基板1之上，连接部4位于主隔垫部3之间且用于将主隔垫部3连接。
在实施例中，第一基板1之上设置有多个主隔垫部3，相邻的主隔垫部3之间相隔一定距离，且可选地，多个主隔垫部3均匀分布。相邻的主隔垫部3之间设置连接部4，该连接部4可将相邻的主隔垫部3连接。设置连接部4提高了隔垫物承受外力的能力。
可选地，主隔垫部3和连接部4一体成型。主隔垫部3和连接部4一体成型，增大了隔垫物整体与第一基板1之间的接触面积，防止隔垫物在较大外力作用下从第一基板1上脱落，并且可以在一次构图工艺中完成，从而降低了制造难度。
进一步地，该隔垫物还包括辅隔垫部5，辅隔垫部5位于连接部4之上且位于相邻的主隔垫部3之间。可选地，位于相邻的主隔垫部3之间的连接部4之上的辅隔垫部5的数量为多个。可选地，多个辅隔垫部5均匀分布。辅隔垫部5在主隔垫部3被压缩到一定程度时起到支撑作用，辅助主隔垫部3支撑于第一基板1和第二基板之间，以维持第一基板1和第二基板之间的盒厚。
在实施例中，主隔垫部3的高度h1大于连接部4的高度h3。可选地，主隔垫部3的高度h1与连接部4的高度h3的高度比大于6/5。设置上述高度比提高了隔垫物的弹性。
在实施例中，主隔垫部3的高度h1大于连接部4和辅隔垫部5的高度之和h2。可选地，主隔垫部3的高度与连接部4和辅隔垫部5的高度之和h2的高度比小于11/9。设置上述高度比提高了辅隔垫部5的支撑能力。
可选地，主隔垫部3的横向宽度小于连接部4的横向宽度。当主隔垫部3受到垂直外力时，由于主隔垫部3的横向宽度小于连接部4的横向宽度， 所以在横向宽度方向上主隔垫部3可以对垂直外力进行一定的释放，而不会受到连接部4的影响，保证了主隔垫部3的弹性，从而保证了主隔垫部3调节盒厚的能力。在实施例中，如图1a所示的主隔垫部3与连接部4连接的方向为横向，横向宽度为图1a所示的宽度。
可选地，主隔垫部3、连接部4和辅隔垫部5一体成型。主隔垫部3和连接部4一体成型，增大了隔垫物整体与第一基板1之间的接触面积，防止隔垫物在较大外力作用下从第一基板1上脱落，并且可以通过一次曝光工艺完成，从而降低了制造难度，节约了制造成本。
在实施例中，第一基板1为彩膜基板，第二基板为阵列基板，并且在第一基板1和第二基板之间还设置有液晶层(第二基板和液晶层在图中未具体画出)。
图1b为图1a中的第一基板1的平面结构示意图。如图1b所示，该第一基板1为彩膜基板，并且第一基板1包括衬底基板11和位于衬底基板11之上的黑矩阵12和色阻块，其中，该色阻块可包括红色色阻块R、绿色色阻块G和蓝色色阻块B。主隔垫部3、连接部4和辅隔垫部5均位于黑矩阵12上方。可选地，连接部4的形状可以为条状。辅隔垫部5在图1b的平面示意图中未示出，辅隔垫部5具体可参见图1a中所示。
在实施例中，主隔垫部3支撑于第一基板1和第二基板之间，其作用是保持第一基板1和第二基板之间的盒厚。连接部4的作用是将不同的主隔垫部3连接到一起，增大隔垫物整体与第一基板1之间的接触面积，从而防止在受到较大外力时隔垫物从第一基板1上脱落。当主隔垫部3受到强外力作用压缩变形时，主隔垫部3的高度被压缩到连接部4和辅隔垫部5的高度之和h2，此时辅隔垫部5可以辅助主隔垫部3支撑于第一基板1和第二基板之间，以维持第一基板1和第二基板之间的盒厚。另外，当显示面板承受的外力过大而导致主隔垫部3和辅隔垫部5的高度均被压缩到连接部4的高度h3时，连接部4可以辅助主隔垫部3和辅隔垫部5支撑于第一基板1和第二基板之间，以维持第一基板1和第二基板之间的盒厚。
本公开提供的隔垫物的技术方案中，该隔垫物包括主隔垫部和连接部，连接部位于主隔垫部之间且用于将主隔垫部连接。通过在主隔垫部之间设置 连接部，增加了隔垫物承受外力的能力且增大了隔垫物和第一基板之间的接触面积，避免了隔垫物断裂而导致的从第一基板上脱落，从而避免了显示面板发生显示不良，提高了显示面板的显示品质。在连接部上设置辅隔垫部，进一步提高了隔垫物承受外力的能力。
图2为本公开的一些实施例提供的显示面板20的结构示意图。如图2所示，显示面板20包括相对设置的第一基板1和第二基板2，第一基板1和第二基板2之间设置有隔垫物。该隔垫物可采用上述实施例提供的隔垫物，对隔垫物的具体描述可参见上述实施例，此处不再重复描述。
本实施例提供的显示面板20的技术方案中，第一基板1和第二基板2之间设置有隔垫物，该隔垫物包括多个主隔垫部3和连接部4，连接部4位于主隔垫部3之间且用于将主隔垫部3连接。通过在主隔垫部3之间设置连接部4，增加了隔垫物承受外力的能力且增大了隔垫物和第一基板1之间的接触面积，避免了隔垫物断裂而导致的从第一基板上脱落，从而避免了显示面板20发生显示不良，提高了显示面板20的显示品质。在连接部4上设置辅隔垫部5，进一步提高了隔垫物承受外力的能力。
本公开的实施例还提供了一种显示装置，该显示装置包括上述实施例提供的显示面板。
本实施例提供的显示装置的技术方案中，在第一基板和第二基板之间设置有隔垫物，该隔垫物包括多个主隔垫部和连接部，连接部位于主隔垫部之间且用于将主隔垫部连接，通过在主隔垫部之间设置连接部，增加了隔垫物承受外力的能力且增大了隔垫物和第一基板之间的接触面积，避免了隔垫物断裂而导致的从第一基板上脱落，从而避免了显示面板发生显示不良，提高了显示面板的显示品质。在连接部上设置辅隔垫部，进一步提高了隔垫物承受外力的能力。
图3为本公开的一些实施例提供的显示面板的制造方法的流程图。如图3所示，该方法包括步骤101和步骤102。
步骤101：在第一基板之上形成隔垫物，该隔垫物包括多个主隔垫部和连接部，连接部位于主隔垫部之间且用于将主隔垫部连接。可选地，该隔垫物还包括辅隔垫部，辅隔垫部位于连接部之上。
步骤101可包括子步骤1011-1019。
子步骤1011：在第一基板之上形成隔垫物材料层。
图5a为本公开的一些实施例的形成隔垫物材料层的示意图。如图5a所示，在第一基板1之上形成隔垫物材料层6，该隔垫物材料层6覆盖整个第一基板1。
子步骤1012：在隔垫物材料层之上形成光刻胶。
图5b为本公开的一些实施例的形成光刻胶的示意图。如图5b所示，在隔垫物材料层6之上涂覆光刻胶7。
子步骤1013：通过掩膜板对光刻胶进行曝光并对曝光后的光刻胶进行显影，形成光刻胶完全保留区域、光刻胶半保留区域和光刻胶不保留区域，其中光刻胶完全保留区域用于形成主隔垫部，光刻胶半保留区域用于形成连接部和辅隔垫部。
图5c为本公开的一些实施例的通过掩膜板进行曝光的示意图。如图5c所示，掩膜板8可以为半灰阶掩膜板或者半色调掩膜板。将掩膜板8放置于光刻胶7的上方并通过掩膜板8对光刻胶进行曝光，其中，掩膜板8包括完全透光区域81、半透光区域和不透光区域84，半透光区域包括第一半透光子区域82和第二半透光子区域83。完全透光区域81对应光刻胶完全保留区域，半透光区域对应光刻胶半保留区域，不透光区域84对应光刻胶不保留区域。光刻胶半保留区域包括第一光刻胶半保留子区域和第二光刻胶半保留子区域，第一半透光子区域82对应第一光刻胶半保留子区域，第二半透光子区域83对应第二光刻胶半保留子区域。由于第一半透光子区域82的透光率和第二半透光子区域83的透光率不同，因此曝光和显影后形成的第一光刻胶半保留子区域和第二光刻胶半保留子区域的厚度不同。
子步骤1014：通过第一次刻蚀工艺刻蚀掉光刻胶不保留区域对应的隔垫物材料层。
子步骤1015：通过第一次灰化工艺去除第一光刻胶半保留子区域。此时，第一基板1的上方还保留有第二光刻胶半保留子区域和光刻胶完全保留区域。
子步骤1016：通过第二次刻蚀工艺对去除第一光刻胶半保留子区域后暴 露出的隔垫物材料层进行刻蚀。
子步骤1017：通过第二次灰化工艺去除第二光刻胶半保留子区域。此时，第一基板1的上方还保留有光刻胶完全保留区域。
子步骤1018：通过第三次刻蚀工艺对去除第二光刻胶半保留子区域后暴露出的隔垫物材料层和经过第二次刻蚀工艺的隔垫物材料层进行刻蚀，形成位于辅隔垫部之间的间隙下方的部分连接部、辅隔垫部和位于辅隔垫部下方的部分连接部。
至此，形成完整的连接部5，连接部5包括位于辅隔垫部之间的间隙下方的部分连接部和位于辅隔垫部下方的部分连接部。
子步骤1019：去除光刻胶完全保留区域，形成主隔垫部。
图5d为本公开的一些实施例的形成主隔垫部、连接部和辅隔垫部的示意图。如图5d所示，在完成了上述各子步骤之后，在第一基板1之上形成了主隔垫部3、连接部4和辅隔垫部5。
步骤102、将第一基板和第二基板相对设置，所述主隔垫部和连接部位于所述第一基板和所述第二基板之间。
如图1a所示，将第一基板1和第二基板2进行对盒工艺以形成显示面板。
实施例提供的显示面板的制造方法可用于制造上述实施例提供的显示面板，对该显示面板的具体描述可参见上述实施例。
在实施例提供的显示面板的制造方法的技术方案中，第一基板和第二基板之间设置有隔垫物，该隔垫物包括多个主隔垫部和连接部，连接部位于主隔垫部之间且用于将主隔垫部连接，通过在主隔垫部之间设置连接部，增加了隔垫物承受外力的能力且增大了隔垫物和第一基板之间的接触面积，避免了隔垫物断裂而导致的从第一基板上脱落，从而避免了显示面板发生显示不良，提高了显示面板的显示品质。在连接部上设置辅隔垫部，进一步提高了隔垫物承受外力的能力。在实施例中，主隔垫部、连接部和辅隔垫部可通过一次曝光工艺完成，从而降低了制造难度，节约了制造成本。
可以理解的是，以上实施例仅仅是为了说明本公开的原理而采用的示例性实施例，然而本公开并不局限于此。对于本领域的普通技术人员而言，在不脱离本公开的精神和实质的情况下，可以做出各种变型和改进，这些变型 和改进也视为本公开的保护范围。

Claims (17)

  1. 一种用于设置在第一基板和第二基板之间的隔垫物，包括：
    多个主隔垫部，和
    连接部，其中所述多个主隔垫部和所述连接部位于所述第一基板之上，所述连接部位于所述多个主隔垫部之间且用于将所述多个主隔垫部连接。
  2. 根据权利要求1所述的隔垫物，其中，所述多个主隔垫部中相邻的主隔垫部之间相隔一定距离。
  3. 根据权利要求1或2所述的隔垫物，其中所述多个主隔垫部均匀分布。
  4. 根据权利要求1至3中任一项所述的隔垫物，还包括辅隔垫部，所述辅隔垫部位于所述连接部之上。
  5. 根据权利要求4所述的隔垫物，其中，所述辅隔垫部位于相邻的主隔垫部之间，并且位于相邻的主隔垫部之间的连接部之上的所述辅隔垫部的数量为多个。
  6. 根据权利要求5所述的隔垫部，其中，所述多个辅隔垫部在相邻的主隔垫部之间均匀分布。
  7. 根据权利要求1至6中任一项所述的隔垫物，其中，所述主隔垫部的高度大于所述连接部的高度。
  8. 根据权利要求7所述的隔垫物，其中，所述主隔垫部的高度与所述连接部的高度的高度比大于6/5。
  9. 根据权利要求4至6中任一项所述的隔垫物，其中，所述主隔垫部的高度大于所述连接部和所述辅隔垫部的高度之和。
  10. 根据权利要求9所述的隔垫物，其中，所述主隔垫部的高度与所述连接部和所述辅隔垫部的高度之和的高度比小于11/9。
  11. 根据权利要求4至6、9至10中任一项所述的隔垫物，其中，所述主隔垫部、所述连接部和所述辅隔垫部一体成型。
  12. 根据权利要求1至11中任一项所述的隔垫物，其中，所述主隔垫部的横向宽度小于所述连接部的横向宽度。
  13. 一种显示面板，包括：
    第一基板，
    与所述第一基板相对设置的第二基板，以及
    在所述第一基板和所述第二基板之间设置的隔垫物，所述隔垫物采用权利要求1至12中任一项所述的隔垫物。
  14. 一种显示装置，包括：
    根据权利要求13所述的显示面板。
  15. 一种显示面板的制造方法，包括：
    在第一基板之上形成隔垫物，所述隔垫物包括主隔垫部和连接部，所述连接部位于所述主隔垫部之间且用于将所述主隔垫部连接；以及
    将所述第一基板和第二基板相对设置，所述主隔垫部和所述连接部位于所述第一基板和所述第二基板之间。
  16. 根据权利要求15所述的显示面板的制造方法，其中，所述隔垫物还包括辅隔垫部，所述辅隔垫部位于所述连接部之上。
  17. 根据权利要求15或16所述的显示面板的制造方法，其中，所述在第一基板之上形成隔垫物包括：
    在所述第一基板之上形成隔垫物材料层；
    在所述隔垫物材料层之上形成光刻胶；
    通过掩膜板对所述光刻胶进行曝光并对曝光后的光刻胶进行显影，形成光刻胶完全保留区域、光刻胶半保留区域和光刻胶不保留区域，其中所述光刻胶完全保留区域用于形成所述主隔垫部，所述光刻胶半保留区域用于形成所述连接部和所述辅隔垫部，并且光刻胶半保留区域包括第一光刻胶半保留子区域和第二光刻胶半保留子区域；
    通过第一次刻蚀工艺刻蚀掉所述光刻胶不保留区域对应的隔垫物材料层；
    通过第一次灰化工艺去除所述第一光刻胶半保留子区域；
    通过第二次刻蚀工艺对去除所述第一光刻胶半保留子区域后暴露出的隔垫物材料层进行刻蚀；
    通过第二次灰化工艺去除所述第二光刻胶半保留子区域；
    通过第三次刻蚀工艺对所述第二光刻胶半保留子区域后暴露出的隔垫物 材料层和经过第二次刻蚀工艺的隔垫物材料层进行刻蚀，形成位于辅隔垫部之间的间隙下方的部分连接部、所述辅隔垫部和位于所述辅隔垫部下方的部分连接部，所述连接部包括位于所述辅隔垫部下方的部分连接部和位于所述辅隔垫部之间的间隙下方的部分连接部；以及
    去除所述光刻胶完全保留区域，形成所述主隔垫部。
PCT/CN2016/099457 2015-10-23 2016-09-20 隔垫物、显示面板及其制造方法和显示装置 WO2017067363A1 (zh)

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