WO2015100988A1 - 液晶面板及液晶显示装置 - Google Patents

液晶面板及液晶显示装置 Download PDF

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Publication number
WO2015100988A1
WO2015100988A1 PCT/CN2014/081245 CN2014081245W WO2015100988A1 WO 2015100988 A1 WO2015100988 A1 WO 2015100988A1 CN 2014081245 W CN2014081245 W CN 2014081245W WO 2015100988 A1 WO2015100988 A1 WO 2015100988A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal panel
color filter
array substrate
facing
Prior art date
Application number
PCT/CN2014/081245
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English (en)
French (fr)
Inventor
陈俊生
陈东
Original Assignee
京东方科技集团股份有限公司
合肥京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 合肥京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US14/407,666 priority Critical patent/US9366914B2/en
Publication of WO2015100988A1 publication Critical patent/WO2015100988A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • 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
    • G02F1/133345—Insulating layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/16—Materials and properties conductive

Definitions

  • Liquid crystal panel and liquid crystal display device Liquid crystal panel and liquid crystal display device
  • Embodiments of the present invention relate to a liquid crystal panel and a liquid crystal display device. Background technique
  • TFT-LCD Thin Film Transistor Liquid Crystal Display
  • the TFT-LCD is mainly composed of a liquid crystal panel and a backlight module.
  • the market demand for narrow-frame TFT-LCDs is also mainly reflected in the peripheral structure of the liquid crystal panel.
  • the manufacturing process of the liquid crystal panel mainly comprises: preparing a color film substrate and an array substrate, then dropping the liquid crystal on one substrate in the color film substrate and the array substrate, coating the sealing glue on the other substrate, and finally in the vacuum condition
  • the array substrate and the color filter substrate are connected to each other, and after the sealant is cured, the sealant bonds the array substrate and the color filter substrate to form a liquid crystal panel.
  • a twisted nematic (TN) liquid crystal panel designed and manufactured by GOA technology includes an array substrate 02 and a color filter substrate 03 connected by a frame sealant 01 doped with gold balls.
  • a gate shift register region is disposed on one side of the array substrate 02 facing the color filter substrate 03, and a gate electrode 04 and a source/drain 05, a gate electrode 04, and a source/drain 05 are disposed in the gate shift register region. They are connected by a conductive electrode 06.
  • a liquid crystal panel including a color filter substrate and an array substrate connected to a cartridge, wherein the array substrate has a gate shift register facing one side of the color filter substrate, The wiring area of the gate shift register has a conductive electrode connecting the gate electrode and the source/drain.
  • the color filter substrate has a common electrode facing the array substrate, and the liquid crystal panel further includes: An insulating layer between the conductive electrode and the common electrode, the projection of the insulating layer in a side of the array substrate facing the color filter substrate covering the conductive electrode on the array substrate toward the color filter substrate Projection within one side.
  • a liquid crystal display device comprising the above liquid crystal panel.
  • FIG. 1 is a schematic view showing an edge structure of a liquid crystal panel
  • FIG. 2 is a schematic structural diagram of an edge structure of a liquid crystal panel in which an insulating layer is disposed on an array substrate according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic structural view of a first alignment film in a liquid crystal panel in which an insulating layer is disposed on an array substrate according to Embodiment 1 of the present invention
  • Figure 4 is a cross-sectional view of the structure taken along line A-A in Figure 3;
  • Figure 5 is a schematic view showing the structure of an alignment film printing plate for printing a first alignment film according to Embodiment 1 of the present invention
  • FIG. 6 is a schematic structural diagram of an edge structure of a liquid crystal panel in which an insulating layer is disposed on a color filter substrate according to Embodiment 1 of the present invention
  • FIGS. 7a to 7f are schematic diagrams showing a process of preparing a color filter substrate in a liquid crystal panel in which an insulating layer is disposed on a color filter substrate according to Embodiment 1 of the present invention. detailed description
  • the first embodiment of the present invention provides a liquid crystal panel comprising: a color filter substrate 2 and an array substrate 3 connected to each other by a frame sealant 1 doped with a gold ball, and the array substrate 3 faces the color filter substrate.
  • One side of the gate 2 has a gate shift register having a conductive electrode 33 connecting the gate electrode 31 and the source/drain 32 in the wiring region of the gate shift register; and a common electrode 21 on the side of the color filter substrate 2 facing the array substrate 3.
  • the liquid crystal panel provided in this embodiment further includes: an insulating layer between the conductive electrode 33 and the common electrode 21, and the projection of the insulating layer on the side of the array substrate 3 facing the color filter substrate 2 covers the conductive electrode 33 on the array substrate 3 Projection toward the inside of the color filter substrate 2.
  • the projection of the insulating layer on the side of the array substrate 3 facing the color filter substrate 2 covers the projection of the conductive electrode 33 on the side of the array substrate 3 facing the color filter substrate 2, and the insulating layer Provided between the conductive electrode 33 and the common electrode 21, even if the framed rubber 1 doped with gold balls is coated between the conductive electrode 33 and the common electrode 21, the conductive path between the conductive electrode 33 and the common electrode 21 is The insulating layer is partitioned, so that the conductive electrode 33 and the common electrode 21 are not short-circuited. Therefore, when the sealant 1 is applied, the conductive electrode 33 of the wiring region of the gate shift register is not required to be used, so that the doping may be performed.
  • the spacing between the gold-framed sealant 1 and the gate shift register is made small, and even a portion of the sealant 1 can be directly coated directly above the gate shift register, thereby making the entire liquid crystal panel The border is reduced.
  • the safety distance D2 between the sealant 1 and the conductive electrode 33 can be 0, and even a part of the sealant 1 can be coated on the surface of the insulating layer, so that the sealant 1 is on the array substrate 3 toward the color filter substrate.
  • the projection in one side of the second surface is in contact with the projection of the conductive electrode 33 in the side of the array substrate 3 facing the color filter substrate 2, and even partially overlaps.
  • the distance D5 between the side of the sealant 1 facing the display area of the liquid crystal panel and the edge of the display area of the liquid crystal panel is only a part of the width D1 of the wiring area of the gate shift register in the liquid crystal panel shown in FIG.
  • the width of the frame of the liquid crystal panel provided by the first embodiment of the present invention can be small.
  • the liquid crystal panel provided by the first embodiment of the present invention is advantageous for implementing a narrow bezel design of the liquid crystal panel.
  • the projection of the sealant 1 on the side of the array substrate 3 toward the color filter substrate 2 and the projection of the insulating layer on the side of the array substrate 3 facing the color filter substrate 2 have overlapping regions.
  • the surface of the sealant 1 facing the display area of the liquid crystal panel and the edge of the display area of the liquid crystal panel are reduced.
  • the distance of the liquid crystal panel can be made smaller, which is more advantageous for implementing the narrow bezel design of the liquid crystal panel of the present invention.
  • the insulating layer in the liquid crystal panel provided in the first embodiment, can be configured in the following two ways:
  • a first alignment film 4 is disposed on a side of the array substrate 3 facing the color filter substrate 2. As shown in FIG. 3 and FIG. 4, the first alignment film 4 has a gate shift register.
  • the insulating portion 41 forming the insulating layer and the alignment portion 42 opposed to the liquid crystal layer in the liquid crystal panel to provide an initial orientation to the liquid crystal molecules in the liquid crystal layer.
  • the insulating portion 41 of the first alignment film 4 is overlaid on the gate shift register such that the conductive electrode 33 of the wiring region of the gate shift register is not exposed on the side surface of the array substrate 3 facing the color filter substrate 2, thus Therefore, there is no problem that the gold ball in the sealant 1 is in contact with the conductive electrode 33 and the shield I is short-circuited from the conductive electrode 33, so that the gold-framed sealant 1 and the gate shift register can be used.
  • the spacing is made small, and even a portion of the sealant 1 can be directly coated on the surface of the insulating portion 41 of the first alignment film 4 above the gate shift register, so that the frame of the entire liquid crystal panel is reduced. Conducive to the realization of the narrow frame design of the liquid crystal panel.
  • the thickness H of the insulating portion 41 in the first alignment film 4 is larger than the thickness h of the alignment portion 42.
  • the insulating effect of the insulating portion 41 in the alignment film 4 is further advantageous in avoiding the occurrence of a short circuit problem of the conductive electrode 33 by avoiding contact of the gold ball in the sealant 1 with the conductive electrode 33 of the wiring region of the gate shift register.
  • the thickness H of the insulating portion 41 in the first alignment film 4 is more than 2000 A, and the thickness h of the alignment portion 42 in the first alignment film 4 is in the range of 600 A to 1200 ⁇ .
  • the insulating effect of the insulating portion 41 in the first alignment film 4 is improved, and at the same time, the alignment portion 42 of the first alignment film 4 can satisfy the requirement of providing an initial orientation for the liquid crystal molecules.
  • the color film substrate 2 is disposed on a side of the array substrate 3 with a second alignment film 5, for example, the second alignment film 5 may have the first
  • the alignment film 4 has the same structure.
  • the second alignment film 5 and the first alignment film 4 can be printed on the same alignment film printing plate without separately designing and manufacturing the alignment film printing plate for the second alignment film 5, thereby reducing the liquid crystal provided by the present invention.
  • the production cost of the panel is not limited to the above alignment film printing plate.
  • the present invention can also provide an alignment film printing plate 6 for printing the first alignment film 4 provided in the above manner, which comprises a bottom plate 61 and a bottom plate.
  • the photosensitive resin APR plate 62 on 61 has an alignment film groove 63 whose opening faces away from the master 61 and matches the structure of the first alignment film 4.
  • the liquid alignment film is injected into the alignment film groove 63 of the APR plate 62, and the substrate is covered in the opening of the alignment film groove 63, after the liquid alignment film is cured.
  • the first alignment film 4 is formed by being fixed to the surface of the substrate.
  • the depth P1 of the portion corresponding to the insulating portion 41 of the first alignment film 4 is larger than the alignment portion 42 corresponding to the alignment portion 42 of the first alignment film 4 in the alignment film groove 63. Part of the depth P2.
  • the alignment film printing plate is used.
  • the 6-printed first alignment film 4 can be applied to a liquid crystal panel, and can facilitate the narrow bezel design of the liquid crystal panel.
  • a spacer layer 7 is provided on a side of the color filter substrate 2 facing the array substrate 3.
  • the spacer layer 7 has an insulating portion 71 opposite to the gate shift register to form the insulating layer.
  • the projection of the insulating portion 71 on the surface of the array substrate 3 facing the color filter substrate 2 covers the projection of the conductive electrode 33 on the side of the array substrate 3 facing the color filter substrate 2.
  • the road partition prevents the gold ball in the sealant 1 from causing a short circuit between the conductive electrode 33 and the common electrode 21, so that the spacing between the framed rubber 1 doped with the gold ball and the gate shift register can be made. It is very small, and even a part of the sealant 1 can be directly coated on the gate shift register, so that the frame of the entire liquid crystal panel is reduced, so as to facilitate the narrow bezel design of the liquid crystal panel.
  • the insulating portion 71 of the spacer layer 7 is projected on the edge of the array substrate 3 toward the side of the color filter substrate 2 and the gate shift register faces the color filter on the array substrate 3
  • the edge of one side of the substrate 2 is projected with a set distance P therebetween.
  • the value of the set distance P is greater than the precision of the liquid crystal panel, and the precision of the liquid crystal panel is generally in the range of 0 to 10 ⁇ m. Therefore, in some embodiments, the value of the set distance ⁇ can be set. Set to 10 ⁇ .
  • the liquid crystal panel provided by the present invention further includes: disposed in the box region of the color filter substrate 2 and located at the common electrode 21 facing away from the array substrate 3
  • the spacer 8 is formed such that the common electrode 21 faces the array substrate 3 and the insulating portion 71 of the spacer layer 7 faces the one side of the array substrate 3.
  • the arrangement of the spacer 8 ensures that the common electrode 21 faces the side of the array substrate 3 and the spacer layer 7
  • the insulating portion 71 is flush toward one side of the array substrate 3, so that the coating precision when the sealant 1 is applied to the side of the array substrate 3 of the color filter substrate 2 can be improved, thereby ensuring the sealant after the connection of the cartridge. 1
  • the pad 8 can be made of the same material as the color filter layer in the color filter substrate 2, and can be combined with one of red, green, and blue in the color filter layer. Synchronized formation.
  • the color filter substrate 2 having the spacer layer 7 provided in the above manner 2 can be prepared by the following method, and the preparation method thereof comprises:
  • Step 1 please refer to FIG. 7a, forming a black matrix 23 on the glass substrate 22;
  • Step 2 please refer to FIG. 7b, forming a color filter layer 24 in the light-transmitting region of the black matrix 23;
  • Step 3 referring to FIG. 7c, forming a common electrode 21 on the side of the color filter layer 24 facing away from the glass substrate 22;
  • Step 4 please refer to FIG. 7d, the spacer electrode layer 7 is formed on the side of the common electrode 21 facing away from the glass substrate 22 to form the spacer layer 7;
  • Step 5 referring to FIG. 7e and FIG. 7f, performing an exposure process to form the spacer layer 7 on the common electrode 21 in the area of the color filter layer 24 to form a column spacer 72 on the common electrode 21 at the edge of the glass substrate 22.
  • the insulating portion 71 of the spacer layer 7 is formed.
  • the insulating portion 71 of the spacer layer 7 can cover a part of the common electrode 21 on the color filter substrate 2 facing the gate shift register region, the gold ball in the sealant 1 cannot contact the common electrode 21. Therefore, the spacing between the framed rubber 1 doped with gold balls and the gate shift register can be made small, and even a part of the sealant 1 can be directly coated on the gate shift register, thereby The frame of the entire liquid crystal panel is reduced. Therefore, the color filter substrate 2 prepared by the above method can be applied to a liquid crystal panel to facilitate the narrow bezel design of the liquid crystal panel.
  • the spacers 8 may be simultaneously formed on the black matrix 23 at the edge of the glass substrate 22 in the process of forming the color filter layer 24.
  • the second embodiment of the present invention further provides a liquid crystal display device comprising the liquid crystal panel provided in the first embodiment.
  • an insulating layer is disposed between the common electrode 21 and the conductive electrode 33. Therefore, when the coating width of the sealant 1 is constant, the sealant 1 can be sealed.
  • the spacing from the gate shift register is made small, and even a portion of the sealant 1 can be applied directly over the gate shift register to reduce the border of the liquid crystal panel. Therefore, in the liquid crystal display device having the liquid crystal panel provided by the present invention, the frame of the liquid crystal display device can also be small to facilitate the narrow bezel design of the liquid crystal display device.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
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  • Spectroscopy & Molecular Physics (AREA)

Abstract

一种液晶面板及液晶显示装置，该液晶面板包括：通过掺杂有金球的封框胶对盒连接的彩膜基板和阵列基板，阵列基板朝向彩膜基板的一面具有栅极移位寄存器，且栅极移位寄存器区域内具有连接栅电极和源/漏极的导电电极；彩膜基板朝向阵列基板的一面具有公共电极，还包括：位于导电电极与公共电极之间的绝缘层，绝缘层在阵列基板朝向彩膜基板的一面内的投影覆盖导电电极在阵列基板朝向彩膜基板的一面内的投影。上述技术方案有利于实现液晶面板的窄边框设计。

Description

液晶面板及液晶显示装置 技术领域
本发明的实施例涉及一种液晶面板及液晶显示装置。 背景技术
薄膜晶体管液晶显示器 ( Thin Film Transistor Liquid Crystal Display, TFT-LCD )具有体积小、 功耗低、 无辐射等优点， 近年来得到飞速的发展， 已经成为目前市场上显示器的主流。
随着 TFT-LCD的快速发展， 窄边框结构成为其未来发展中很重要的一 个方向。 TFT-LCD主要由液晶面板和背光模组所构成。 窄边框 TFT-LCD的 市场需求也主要是体现在液晶面板的周边结构上。
液晶面板的制作过程主要包括： 制备彩膜基板和阵列基板， 然后将液晶 滴注在彩膜基板和阵列基板中的一个基板上，将封框胶涂覆在另一个基板上， 最后在真空条件下将阵列基板和彩膜基板进行对盒连接，并在封框胶固化后， 封框胶将阵列基板和彩膜基板粘接而形成液晶面板。
将移位寄存器电路设计在阵列基板上 (Gate On Array, GOA) 的技术是液 晶面板的窄边框设计方案非常重要的实施途径之一， 其通过将栅电极的驱动 电路内置到阵列基板中而减小周边边框的宽度， 以此实现液晶面板的窄边框 设计。如图 1中所示，釆用 GOA技术设计制备的扭曲向列型（Teisted nematic, TN )液晶面板包括通过掺杂有金球的封框胶 01对盒连接的阵列基板 02和彩 膜基板 03，在阵列基板 02朝向彩膜基板 03的一面设有栅极移位寄存器区域， 栅极移位寄存器区域内间隔设置有栅电极 04和源 /漏极 05， 栅电极 04和源 / 漏极 05之间通过导电电极 06连接。
由于栅极移位寄存器区域内导电电极 06暴露在阵列基板 02朝向彩膜基 板 03的一侧表面，为了避免封框胶 01中的金球与导电电极 06接触而造成的 导电电极 06短路，则要求导电电极 06与封框胶 01之间必须保持一定的安全 距离，这个安全距离至少得保证要大于封框胶 01的涂覆精度，以确保在发生 工艺波动时封框胶 01不与导电电极 06接触， 所以液晶面板的结构特征导致 较难实现液晶面板的窄边框设计。 发明内容
在本发明的一个实施例中， 提供了一种液晶面板， 其包括对盒连接的彩 膜基板和阵列基板， 所述阵列基板朝向所述彩膜基板的一面具有栅极移位寄 存器，所述栅极移位寄存器的布线区域内具有连接栅电极和源 /漏极的导电电 极， 所述彩膜基板朝向所述阵列基板的一面具有公共电极， 其中， 所述液晶 面板还包括： 位于所述导电电极与所述公共电极之间的绝缘层， 所述绝缘层 在所述阵列基板朝向所述彩膜基板的一面内的投影覆盖所述导电电极在所述 阵列基板朝向所述彩膜基板的一面内的投影。
在本发明的另一个实施例中， 提供了一种液晶显示装置， 其包括上述液 晶面板。 附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。
图 1为液晶面板的边缘结构示意图；
图 2为本发明实施例一提供的绝缘层设置于阵列基板上的液晶面板的边 缘结构示意图；
图 3为本发明实施例一提供的绝缘层设置于阵列基板上的液晶面板中的 第一配向膜的结构示意图；
图 4为图 3中 A-A向剖视结构示意图；
图 5为本发明实施例一提供的用于印制第一配向膜的配向膜印刷版的结 构示意图；
图 6为本发明实施例一提供的绝缘层设置于彩膜基板上的液晶面板的边 缘结构示意图；
图 7a至图 7f为本发明实施例一提供的绝缘层设置于彩膜基板上的液晶 面板中彩膜基板的制备过程示意图。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图， 对本发明实施例的技术方案进行清楚、 完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例， 本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。
实施例一
请参考图 2， 本实施例一提供了一种液晶面板， 其包括： 通过掺杂有金 球的封框胶 1对盒连接的彩膜基板 2和阵列基板 3， 阵列基板 3朝向彩膜基 板 2的一面具有栅极移位寄存器， 栅极移位寄存器的布线区域内具有连接栅 电极 31和源 /漏极 32的导电电极 33; 彩膜基板 2朝向阵列基板 3的一面具 有公共电极 21。 此外， 本实施例提供的液晶面板还包括： 位于导电电极 33 与公共电极 21之间的绝缘层，绝缘层在阵列基板 3朝向彩膜基板 2的一面内 的投影覆盖导电电极 33在阵列基板 3朝向彩膜基板 2的一面内的投影。
在本实施例一提供的液晶面板中， 由于绝缘层在阵列基板 3朝向彩膜基 板 2的一面内的投影覆盖导电电极 33在阵列基板 3朝向彩膜基板 2的一面内 的投影， 并且绝缘层设置在导电电极 33与公共电极 21之间， 即使导电电极 33和公共电极 21之间涂覆有掺杂金球的封框胶 1， 导电电极 33和公共电极 21之间的导电通路也会被绝缘层隔断， 进而不会造成导电电极 33和公共电 极 21短路，所以在涂覆封框胶 1时也就不用再避让栅极移位寄存器的布线区 域的导电电极 33，从而可以将掺杂有金球的封框胶 1与栅极移位寄存器之间 的间距做的很小， 甚至可以将封框胶 1的一部分直接涂覆在栅极移位寄存器 的正上方区域， 从而使整个液晶面板的边框减小。
例如， 图 1中所示的液晶面板的边框宽度 =01+02+03+04， 其中， D1 为栅极移位寄存器的布线区域宽度， 对于同一尺寸的液晶面板， 该 D1值一 般较为稳定； D2为封框胶 01与导电电极 06之间的安全距离； D3为封框胶 01的涂覆宽度， 主要决定于涂胶设备的精度； D4为封框胶 01背离液晶面板 显示区域的一面与液晶面板的相应侧的边缘之间的距离， 主要决定于切割设 备的精度。 在涂胶设备和切割设备不变的情况下， D3和 D4也较为稳定。 由 此可知， 封框胶 01与栅极移位寄存器的布线区域内的导电电极 06之间的安 全距离 D2越大， 越不利于实现液晶面板的窄边框设计。
如图 2 中所示， 本发明实施例一提供的液晶面板的边框宽度 L= D3+D4+D5, 其中， D3为封框胶 1的涂覆宽度； D4为封框胶 1背离液晶面 板显示区域的一面与液晶面板的相应侧的边缘之间的距离； D5 为封框胶 1 朝向液晶面板显示区域的一面与显示区域的边缘之间的距离。 因此， 与图 1 所示的液晶面板相比， 本实施例一提供的液晶面板中， 绝缘层能够避免封框 胶 1中的金球与栅极移位寄存器的布线区域内的导电电极 33接触，所以封框 胶 1与导电电极 33之间的安全距离 D2可以为 0， 甚至可以将封框胶 1的一 部分涂覆在绝缘层的表面， 使封框胶 1在阵列基板 3朝向彩膜基板 2的一面 内的投影与导电电极 33在阵列基板 3朝向彩膜基板 2的一面内的投影接触， 甚至部分重叠。 这样， 封框胶 1朝向液晶面板显示区域的一面与液晶面板显 示区域的边缘之间的距离 D5仅为图 1所示的液晶面板中栅极移位寄存器的 布线区域宽度 D1的一部分， 因此， 与图 1所示的液晶面板相比， 本发明实 施例一提供的液晶面板的边框宽度可以较小。
因此， 本发明实施例一提供的液晶面板有利于实现液晶面板的窄边框设 计。
请继续参考图 2， 在一些实施方式中， 封框胶 1在阵列基板 3朝向彩膜 基板 2的一面的投影与绝缘层在阵列基板 3朝向彩膜基板 2的一面的投影具 有交叠区域。
这样， 在封框胶 1的涂覆宽度 D3不变的情况下， 本实施例提供的液晶 面板中， 减小了封框胶 1朝向液晶面板显示区域的一面与液晶面板显示区域 的边缘之间的距离， 进而使得整个液晶面板的边框可以更小， 更有利于实现 本发明的液晶面板的窄边框设计。
请参考图 2和图 6， 本实施例一提供的液晶面板中， 上述绝缘层可以釆 用以下两种设置方式：
方式一
请参考图 2， 具体地， 在上述阵列基板 3朝向彩膜基板 2的一面设有第 一配向膜 4， 如图 3和图 4中所示， 第一配向膜 4具有覆盖栅极移位寄存器 以形成上述绝缘层的绝缘部 41 以及与液晶面板中的液晶层相对以对液晶层 内的液晶分子提供初始取向的取向部 42。 第一配向膜 4的绝缘部 41覆盖在栅极移位寄存器上，使得栅极移位寄存 器的布线区域的导电电极 33不会暴露于阵列基板 3朝向彩膜基板 2的一侧表 面上，因而也就不会出现封框胶 1中的金球与导电电极 33接触而弓 I起导电电 极 33短路的问题，从而可以将掺杂有金球的封框胶 1与栅极移位寄存器之间 的间距做的很小， 甚至可以将封框胶 1的一部分直接涂覆在栅极移位寄存器 上方的第一配向膜 4的绝缘部 41的表面，以使整个液晶面板的边框减小，进 而利于实现液晶面板的窄边框设计。
请继续参考图 2和图 4， 在上述方式一的基础上， 在一些实施方式中， 第一配向膜 4中的绝缘部 41的厚度 H大于取向部 42的厚度 h。
由于增加了第一配向膜 4的绝缘部 41的厚度， 避免了在绝缘部 41的表 面涂覆封框胶 1时， 金球与绝缘部 41发生摩擦而造成绝缘部 41磨损， 从而 可以提高第一配向膜 4中绝缘部 41的绝缘效果，进一步有利于避免封框胶 1 中的金球与栅极移位寄存器的布线区域的导电电极 33接触而引起导电电极 33的短路问题的出现。
更具体地， 第一配向膜 4中的绝缘部 41的厚度 H大于 2000A， 第一配 向膜 4中的取向部 42的厚度 h在 600A~1200A的范围内。这样，提高了第一 配向膜 4中绝缘部 41的绝缘效果， 同时可以使得第一配向膜 4的取向部 42 能够满足为液晶分子提供初始取向的要求。
请参考图 2， 在上述方式一的基础上， 在一些实施方式中， 上述彩膜基 板 2朝向阵列基板 3的一面设有第二配向膜 5， 例如， 第二配向膜 5可以具 有与第一配向膜 4相同的结构。
这样， 第二配向膜 5和第一配向膜 4可以在同一个配向膜印刷版上进行 印制， 而不用为第二配向膜 5单独设计制造配向膜印刷版， 从而可以降低本 发明提供的液晶面板的生产成本。
请参考图 5， 在上述方式一的基础上， 本发明还可以提供一种用于印制 上述方式一中提供的第一配向膜 4的配向膜印刷版 6，其包括底版 61和设于 底版 61上的感光性树脂 APR版 62， AP 版 62具有开口背离底版 61且与第 一配向膜 4的结构相匹配的配向膜槽 63。
釆用配向膜印刷版 6印制第一配向膜 4时，在 APR版 62的配向膜槽 63 中注入液态配向膜，并在配向膜槽 63的开口盖设基板，待液态配向膜固化后 固定于基板表面而形成第一配向膜 4。
具体地，在配向膜印刷版 6的配向膜槽 63中，与第一配向膜 4的绝缘部 41对应的部分的深度 P1大于配向膜槽 63中与第一配向膜 4的取向部 42对 应的部分的深度 P2。
基于上述方式一中的第一配向膜 4所具有的优点， 釆用该配向膜印刷版
6印制的第一配向膜 4可以应用于液晶面板中， 并能够利于实现液晶面板的 窄边框设计。
方式二
请参考图 6， 具体地， 在彩膜基板 2朝向阵列基板 3的一侧设有隔垫物 层 7，隔垫物层 7具有与栅极移位寄存器相对以形成上述绝缘层的绝缘部 71， 绝缘部 71在阵列基板 3朝向彩膜基板 2的一面内的投影覆盖导电电极 33在 阵列基板 3朝向彩膜基板 2的一面内的投影。 路隔断， 避免了封框胶 1中的金球造成导电电极 33和公共电极 21短路的问 题出现， 从而可以将掺杂有金球的封框胶 1与栅极移位寄存器之间的间距做 的很小， 甚至可以将封框胶 1的一部分直接涂覆在栅极移位寄存器上， 从而 使整个液晶面板的边框减小， 以利于实现液晶面板的窄边框设计。
在上述方式二的基础上， 在一些实施方式中， 隔垫物层 7 的绝缘部 71 在阵列基板 3朝向彩膜基板 2的一面投影的边缘与栅极移位寄存器在阵列基 板 3朝向彩膜基板 2的一面投影的边缘之间具有设定距离 P。 在此情况下， 可以确保在彩膜基板 2和阵列基板 3对盒时， 即使发生相对偏移也不会导致 封框胶 1中的金球造成公共电极 21和导电电极 33短路。
通常， 设定距离 P的数值要大于液晶面板的对盒精度， 而液晶面板的对 盒精度一般在 0~10μπι的范围内， 因此， 在一些实施方式中， 可以将设定距 离 Ρ的数值设定为 10μπι。
请继续参考图 6， 在上述方式二的基础上， 在一些实施方式中， 本发明 提供的液晶面板还包括： 设于彩膜基板 2 的对盒区域内且位于公共电极 21 背离阵列基板 3的一面以使公共电极 21朝向阵列基板 3的一面与隔垫物层 7 的绝缘部 71朝向阵列基板 3的一面齐平的垫块 8。
垫块 8的设置保证了公共电极 21朝向阵列基板 3的一面与隔垫物层 7 中的绝缘部 71朝向阵列基板 3的一面齐平，从而可以提高在彩膜基板 2朝向 阵列基板 3的一面涂覆封框胶 1时的涂覆精度， 进而保证了对盒连接后封框 胶 1与彩膜基板 2粘接的强度。
在一些实施方式中， 上述垫块 8可以釆用与彩膜基板 2中的彩色滤光层 相同的材料制作而成， 且可以与彩色滤光层中的红、 绿、 蓝中的一个色彩层 同步形成。
此外， 上述方式二提供的具有隔垫物层 7的彩膜基板 2可以通过下述方 法进行制备， 其制备方法包括：
步骤一， 请参考图 7a， 在玻璃基板 22上形成黑矩阵 23;
步骤二， 请参考图 7b， 在黑矩阵 23的透光区域形成彩色滤光层 24; 步骤三， 请参考图 7c， 在彩色滤光层 24背离玻璃基板 22的一面形成公 共电极 21 ;
步骤四， 请参考图 7d， 在公共电极 21背离玻璃基板 22的一面涂覆隔垫 物液以形成隔垫物层 7;
步骤五， 请参考图 7e和图 7f， 执行曝光工艺， 使隔垫物层 7在彩色滤 光层 24区域的公共电极 21上形成柱状隔垫物 72， 在玻璃基板 22边缘的公 共电极 21上形成隔垫物层 7的绝缘部 71。
由于隔垫物层 7的绝缘部 71可以将彩膜基板 2上与栅极移位寄存器区域 正对的一部分公共电极 21覆盖，使得封框胶 1中的金球也就无法与公共电极 21接触，从而可以将掺杂有金球的封框胶 1与栅极移位寄存器之间的间距做 的很小， 甚至可以将封框胶 1的一部分直接涂覆在栅极移位寄存器上， 从而 使整个液晶面板的边框减小。 因此， 通过上述方法制备的彩膜基板 2可以应 用于液晶面板中， 以利于实现液晶面板的窄边框设计。
当然， 步骤二中， 在形成彩色滤光层 24的过程中也可以在玻璃基板 22 边缘的黑矩阵 23上同时形成垫块 8。
实施例二
本发明实施例二还提供了一种液晶显示装置， 其包括上述实施例一所提 供的液晶面板。
由于上述方案所提供的液晶面板中， 在公共电极 21和导电电极 33之间 设置了绝缘层， 所以在封框胶 1的涂覆宽度不变的情况下， 可以将封框胶 1 与栅极移位寄存器之间的间距做的很小， 甚至可以将封框胶 1的一部分涂覆 在栅极移位寄存器的正上方区域， 以减小液晶面板的边框。 因此， 本发明提 供的具有上述液晶面板的液晶显示装置中， 该液晶显示装置的边框也可以较 小， 以利于实现液晶显示装置的窄边框设计。
以上实施例仅用以说明本发明的技术方案， 而非对其限制； 尽管参照前 述实施例对本发明进行了详细的说明， 本领域的普通技术人员应当理解： 其 依然可以对前述各实施例所记载的技术方案进行修改， 或者对其中部分技术 特征进行等同替换； 而这些修改或者替换， 并不使相应技术方案的本质脱离 本发明各实施例技术方案的精神和范围。
本申请要求于 2013年 12月 31日递交的中国专利申请第 201310755457.9 号的优先权， 在此全文引用上述中国专利申请公开的内容以作为本申请的一 部分。

Claims

权利要求书
1、 一种液晶面板， 包括对盒连接的彩膜基板和阵列基板， 所述阵列基板 朝向所述彩膜基板的一面具有栅极移位寄存器， 所述栅极移位寄存器的布线 区域内具有连接栅电极和源 /漏极的导电电极，所述彩膜基板朝向所述阵列基 板的一面具有公共电极， 其中， 所述液晶面板还包括：
位于所述导电电极与所述公共电极之间的绝缘层， 所述绝缘层在所述阵 列基板朝向所述彩膜基板的一面内的投影覆盖所述导电电极在所述阵列基板 朝向所述彩膜基板的一面内的投影。
2、根据权利要求 1所述的液晶面板， 其中， 所述阵列基板朝向所述彩膜 基板的一面设有第一配向膜， 所述第一配向膜具有覆盖所述栅极移位寄存器 以形成所述绝缘层的绝缘部以及与所述液晶面板中的液晶层相对以对所述液 晶层内的液晶分子提供初始取向的取向部。
3、根据权利要求 2所述的液晶面板， 其中， 在所述第一配向膜中， 所述 绝缘部的厚度大于所述取向部的厚度。
4、根据权利要求 3所述的液晶面板， 其中， 所述第一配向膜中的所述绝 缘部的厚度大于 2000A， 所述第一配向膜中的所述取向部的厚度在 600A~1200A的范围内。
5、根据权利要求 2所述的液晶面板， 其中， 所述彩膜基板朝向所述阵列 基板的一面设有第二配向膜， 所述第二配向膜具有与所述第一配向膜相同的 结构。
6、根据权利要求 1所述的液晶面板， 其中， 所述彩膜基板朝向所述阵列 基板的一侧设有隔垫物层， 所述隔垫物层具有与所述栅极移位寄存器相对以 形成所述绝缘层的绝缘部， 所述绝缘部在所述阵列基板朝向所述彩膜基板的 一面内的投影覆盖所述导电电极在所述阵列基板朝向所述彩膜基板的一面内 的投影。
7、根据权利要求 6所述的液晶面板， 其中， 所述绝缘部在所述阵列基板 朝向所述彩膜基板的一面投影的边缘与所述栅极移位寄存器在所述阵列基板 朝向所述彩膜基板的一面投影的边缘之间具有设定距离。
8、 根据权利要求 7所述的液晶面板， 其中， 所述设定距离为 10μηι。
9、 根据权利要求 6所述的液晶面板， 还包括：
设于所述彩膜基板的对盒区域内且位于所述公共电极背离所述阵列基板 的一面以使所述公共电极朝向所述阵列基板的一面与所述绝缘部朝向所述阵 列基板的一面齐平的垫块。
10、 根据权利要求 1至 9中任一项所述的液晶面板， 其中， 所述封框胶 在所述阵列基板朝向所述彩膜基板的一面的投影与所述绝缘层在所述阵列基 板朝向所述彩膜基板的一面的投影具有交叠区域。
11、 根据权利要求 1至 9中任一项所述的液晶面板， 其中， 所述阵列基 板和所述彩膜基板通过掺杂有金球的封框胶对盒连接。
12、一种液晶显示装置， 包括如权利要求 1至 11中任一项所述的液晶面 板。
PCT/CN2014/081245 2013-12-31 2014-06-30 液晶面板及液晶显示装置 WO2015100988A1 (zh)

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