WO2023168733A1 - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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Publication number
WO2023168733A1
WO2023168733A1 PCT/CN2022/081065 CN2022081065W WO2023168733A1 WO 2023168733 A1 WO2023168733 A1 WO 2023168733A1 CN 2022081065 W CN2022081065 W CN 2022081065W WO 2023168733 A1 WO2023168733 A1 WO 2023168733A1
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WO
WIPO (PCT)
Prior art keywords
display area
substrate
display
display panel
color filter
Prior art date
Application number
PCT/CN2022/081065
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English (en)
French (fr)
Inventor
朱梦青
孙立志
Original Assignee
苏州华星光电技术有限公司
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Publication date
Application filed by 苏州华星光电技术有限公司 filed Critical 苏州华星光电技术有限公司
Priority to US17/765,481 priority Critical patent/US20240053641A1/en
Publication of WO2023168733A1 publication Critical patent/WO2023168733A1/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
    • G02F1/1337—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
    • G02F1/1339—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
    • G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
    • 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
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • G02F1/1339—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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723—Polyimide, polyamide-imide

Definitions

  • the present application relates to the field of display technology, and specifically to a display panel and a display device.
  • the display device can convert computer data into various text, numbers, symbols or intuitive images for display, and can use input tools such as keyboards to input commands or data into the computer, and use the system's hardware and software to add, delete, and change the display at any time.
  • Display devices are divided into plasma, liquid crystal, light emitting diode, cathode ray tube and other types according to the display device used.
  • the liquid crystal display uses liquid crystal material as its basic component.
  • the liquid crystal material is filled between two parallel plates.
  • the arrangement of the molecules inside the liquid crystal material is changed through voltage, so as to achieve the purpose of shading and transmitting light to display different shades and staggered images. image.
  • the terrain of the Dummy area which is different from the display area, is uneven.
  • polyimide English full name: Polyimide, PI for short
  • the substrate is tilted during the production and transportation of the equipment, which can easily lead to thin or even no PI in the Dummy area close to the display area.
  • the phenomenon of PI occurs, which leads to the reduction of PI branch chains in the Dummy area close to the display area, resulting in a smaller pretilt angle here, resulting in a weakening of PI's ability to control the liquid crystal, and the Mura phenomenon is prone to occur, ultimately leading to poor frame stains.
  • the phenomenon that the PI in the Dummy area close to the display area is thin or even has no PI is generally improved by adjusting the PI dripping position and the position of the substrate.
  • this method requires equipment adjustment, has a long cycle, low efficiency, and slow results.
  • the object of the present invention is to provide a display panel and a display device that can solve the problems in the prior art such as poor frame stains caused by thin PI in the Dummy area close to the display area.
  • the present invention provides a display panel, which includes a display area, a first non-display area surrounding the display area, and a second non-display area located between the display area and the first non-display area.
  • display area the display panel includes: an array substrate, which includes: a first substrate; and a plurality of first blocking walls spaced apart from each other on the first substrate and located in the first non-display area; at least A side length of the first blocking wall away from the display area is smaller than a side length of the first blocking wall close to the display area.
  • the projection pattern of at least one first retaining wall on the first substrate is a trapezoid or a triangle.
  • the projection pattern of the side wall of at least one first retaining wall on the first substrate includes one or more of a linear shape, a zigzag shape, and a stepped shape.
  • the zigzag tooth tips are inclined toward the display area.
  • the minimum distance between any two adjacent first blocking walls located on the same side of the display area is equal.
  • the array substrate further includes: a plurality of second blocking walls, spaced apart from each other on the first substrate and located in the second non-display area.
  • the display panel further includes: a color filter substrate, arranged opposite to the array substrate; and a liquid crystal layer, arranged between the array substrate and the color filter substrate;
  • the color filter substrate includes: a second A substrate is provided opposite to the first substrate; a plurality of black matrix units are spaced apart from each other on a surface of the second substrate facing the first substrate.
  • the display panel further includes: a plurality of color resistor units provided in the color filter substrate or in the array substrate.
  • the material of the first blocking wall is the same as the material of the color blocking unit.
  • the present invention also provides a display device, which includes the display panel of the present invention.
  • the side length of at least one first blocking wall away from the display area is smaller than the side length of the first blocking wall close to the display area, thereby reducing the length of the first non-display wall.
  • the contact area between the PI solution in the first non-display area and the bottom edge of the side of the first retaining wall away from the display area thereby reduces the resistance of the PI solution in the first non-display area to the second non-display area and improves the resistance of the PI solution in the first non-display area to the second non-display area.
  • the flow rate of the PI solution in the display area to the second non-display area ultimately increases the thickness of the PI in the second non-display area, improving the existing technology in which the low thickness of PI in the second non-display area causes Mura to appear in the second non-display area. phenomenon to avoid the appearance of bad stains in the second non-display area. This avoids the existing problems of long cycle, low efficiency and slow effect caused by adjusting equipment to improve the thinness of the second non-display area PI.
  • Figure 1 is a schematic structural diagram of a display panel according to Embodiment 1 of the present invention.
  • Figure 2 is a schematic plan view of the array substrate of the display panel according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram of the color filter substrate of the display panel according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic plan view of the array substrate of the display panel according to Embodiment 2 of the present invention.
  • the first non-display area 102.
  • the first non-display area 103.
  • this embodiment provides a display device.
  • the display device includes a display panel 100 .
  • the display panel 100 includes an array substrate 1 , a color filter substrate 2 and a liquid crystal layer 3 .
  • the color filter substrate 2 is arranged opposite to the array substrate 1 .
  • the liquid crystal layer 3 is disposed between the array substrate 1 and the color filter substrate 2 .
  • the display panel 100 includes: a display area 101 , a first non-display area 102 surrounding the display area 101 , and a third area between the display area 101 and the first non-display area 102 .
  • Non-display area 103 In this embodiment, the display area 101 is the middle part of the display panel 100 and has a rectangular shape; the second non-display area 103 is a Dummy area close to the display area 101 and has a shape surrounding the display area 101 The first non-display area 102 is a Dummy area away from the display area 101, and its shape is a back-shape surrounding the second non-display area 103.
  • the array substrate 1 includes: a first substrate 11 , a plurality of first blocking walls 12 and a plurality of second blocking walls 13 .
  • the material of the first substrate 11 is one or more of glass, polyimide, polycarbonate, polyethylene terephthalate, and polyethylene naphthalate. Therefore, the first substrate 11 is made of one or more materials.
  • the substrate 11 can have good impact resistance and can effectively protect the display panel 100 .
  • a plurality of first blocking walls 12 are spaced apart from each other on the first substrate 11 and located in the first non-display area 102 .
  • the side length of at least one first blocking wall 12 away from the display area 101 is smaller than the side length of the first blocking wall 12 close to the display area 101 .
  • the projection pattern of at least one first retaining wall 12 on the first substrate 11 may be configured to be a trapezoid or a triangle.
  • the projection pattern of the first blocking wall 12 on the first substrate 11 is a triangle. At this time, the length of the side of the first blocking wall 12 away from the display area 101 is 0.
  • the resistance to flow in the non-display area 103 increases the flow rate of the PI solution located in the first non-display area 102 to the second non-display area 103, ultimately increasing the thickness of the PI in the second non-display area 103, improving the second non-display area in the prior art.
  • the low thickness of the PI in the non-display area 103 causes the Mura phenomenon to occur in the second non-display area 103, thereby preventing the second non-display area 103 from being stained. This avoids the problems of long cycle, low efficiency, and slow effect that exist in the existing technology by adjusting equipment to improve the thin PI of the second non-display area 103 .
  • the minimum distance between any two adjacent first blocking walls 12 located on the same side of the display area 101 is equal. That is, the first retaining walls 12 located on the same side of the display area 101 are evenly arranged, thereby reducing the difficulty of preparing the first retaining walls 12 .
  • a plurality of second blocking walls 13 are spaced apart from each other on the first substrate 11 and located in the second non-display area 103 .
  • the projection pattern of the second retaining wall 13 on the first substrate 11 is a rectangle.
  • the second retaining wall 13 and the first retaining wall 12 are arranged in one-to-one correspondence.
  • the second retaining wall 13 may also be arranged staggered with the first retaining wall 12 .
  • the color filter substrate 2 includes: a second substrate 21 and a plurality of black matrix units 22 .
  • the material of the second substrate 21 is one or more of glass, polyimide, polycarbonate, polyethylene terephthalate, and polyethylene naphthalate. Therefore, the second substrate 21 is made of one or more materials.
  • the substrate 21 can have good impact resistance and can effectively protect the display panel 100 .
  • the black matrix units 22 are spaced apart from each other on the surface of the second substrate 21 close to the first substrate 11 .
  • the black matrix unit 22 is used to prevent cross-color phenomenon from occurring.
  • the display panel 100 further includes: a plurality of color resistor units 4 .
  • the color resistor unit 4 is provided in the color filter substrate 2 or in the array substrate 1 .
  • the color resistor unit 4 is disposed in the color filter substrate 2 .
  • the color resistance unit 4 is disposed on the surface of the side of the second substrate 21 facing the first substrate 11 between the adjacent black matrix units 22, and extends to cover the black matrix unit. 22 on the surface close to the side of the first substrate 11 .
  • the material of the first blocking wall 12 is the same as the material of the color resistance unit 4 .
  • the color resistance unit 4 includes a red color resistance unit, a green color resistance unit and a blue color resistance unit. That is, the material of the first blocking wall 12 includes: one or more of a red color resistance unit material, a green color resistance unit material, and a blue color resistance unit material.
  • the color resistor unit 4 can be disposed in the array substrate 1 , that is, COA (Color Filter on Array) technology.
  • the color resist unit 4 can be used as the first retaining wall 12 to reduce the contact area between the PI solution located in the first non-display area and the bottom edge of the first retaining wall on the side away from the display area, thereby reducing the contact area between the PI solution located in the first non-display area and the bottom edge of the first retaining wall away from the display area, thereby reducing the contact area between
  • the resistance of the PI solution in the first non-display area to the second non-display area increases the flow rate of the PI solution in the first non-display area to the second non-display area, ultimately increasing the thickness of the PI in the second non-display area; Color display is also possible.
  • this embodiment provides a display device.
  • the display device includes a display panel 100 .
  • the display panel 100 includes an array substrate 1 , a color filter substrate 2 and a liquid crystal layer 3 .
  • the color filter substrate 2 is arranged opposite to the array substrate 1 .
  • the liquid crystal layer 3 is disposed between the array substrate 1 and the color filter substrate 2 .
  • the display panel 100 includes: a display area 101 , a first non-display area 102 surrounding the display area 101 , and a third non-display area 102 located between the display area 101 and the first non-display area 102 .
  • Non-display area 103 In this embodiment, the display area 101 is the middle part of the display panel 100 and has a rectangular shape; the second non-display area 103 is a Dummy area close to the display area 101 and has a shape surrounding the display area 101 The first non-display area 102 is a Dummy area away from the display area 101, and its shape is a back-shape surrounding the second non-display area 103.
  • the array substrate 1 includes: a first substrate 11 , a plurality of first blocking walls 12 and a plurality of second blocking walls 13 .
  • the material of the first substrate 11 is one or more of glass, polyimide, polycarbonate, polyethylene terephthalate, and polyethylene naphthalate. Therefore, the first substrate 11 is made of one or more materials.
  • the substrate 11 can have good impact resistance and can effectively protect the display panel 100 .
  • a plurality of first blocking walls 12 are spaced apart from each other on the first substrate 11 and located in the first non-display area 102 .
  • the side length of at least one first blocking wall 12 away from the display area 101 is smaller than the side length of the first blocking wall 12 close to the display area 101 .
  • the projection pattern of the side wall of at least one first retaining wall 12 on the first substrate 11 may be arranged in a zigzag shape or a ladder shape.
  • the projection pattern of the side wall of the first retaining wall 12 on the first substrate 11 is arranged in a zigzag shape, and the teeth of the zigzag shape are inclined toward the display area 101 .
  • the resistance to flow in the non-display area 103 increases the flow rate of the PI solution located in the first non-display area 102 to the second non-display area 103, and increases the flow rate of the PI solution located in the second non-display area 103 to the first non-display area 102.
  • the low thickness causes the Mura phenomenon in the second non-display area 103, thereby preventing the second non-display area 103 from being stained. This avoids the problems of long cycle, low efficiency, and slow effect that exist in the existing technology by adjusting equipment to improve the thin PI of the second non-display area 103 .
  • the minimum distance between any two adjacent first blocking walls 12 located on the same side of the display area 101 is equal. That is, the first retaining walls 12 located on the same side of the display area 101 are evenly arranged, thereby reducing the difficulty of preparing the first retaining walls 12 .
  • a plurality of second blocking walls 13 are spaced apart from each other on the first substrate 11 and located in the second non-display area 103 .
  • the projection pattern of the second retaining wall 13 on the first substrate 11 is a rectangle.
  • the second retaining wall 13 and the first retaining wall 12 are arranged in one-to-one correspondence.
  • the second retaining wall 13 may also be arranged staggered with the first retaining wall 12 .
  • the color filter substrate 2 includes: a second substrate 21 and a plurality of black matrix units 22 .
  • the material of the second substrate 21 is one or more of glass, polyimide, polycarbonate, polyethylene terephthalate, and polyethylene naphthalate. Therefore, the second substrate 21 is made of one or more materials.
  • the substrate 21 can have good impact resistance and can effectively protect the display panel 100 .
  • the black matrix units 22 are spaced apart from each other on the surface of the second substrate 21 close to the first substrate 11 .
  • the black matrix unit 22 is used to prevent cross-color phenomenon from occurring.
  • the display panel 100 further includes: a plurality of color resistor units 4 .
  • the color resistor unit 4 is provided in the color filter substrate 2 or in the array substrate 1 .
  • the color resistor unit 4 is disposed in the color filter substrate 2 .
  • the color resistance unit 4 is disposed on the surface of the side of the second substrate 21 facing the first substrate 11 between the adjacent black matrix units 22, and extends to cover the black matrix unit. 22 on the surface close to the side of the first substrate 11 .
  • the material of the first blocking wall 12 is the same as the material of the color resistance unit 4 .
  • the color resistance unit 4 includes a red color resistance unit, a green color resistance unit and a blue color resistance unit. That is, the material of the first blocking wall 12 includes: one or more of a red color resistance unit material, a green color resistance unit material, and a blue color resistance unit material.
  • the color resistor unit 4 can be disposed in the array substrate 1 , that is, COA (Color Filter on Array) technology.
  • the color resist unit 4 can be used as the first retaining wall 12 to reduce the contact area between the PI solution located in the first non-display area and the bottom edge of the first retaining wall on the side away from the display area, thereby reducing the contact area between the PI solution located in the first non-display area and the bottom edge of the first retaining wall away from the display area, thereby reducing the contact area between
  • the resistance of the PI solution in the first non-display area to the second non-display area increases the flow rate of the PI solution in the first non-display area to the second non-display area, ultimately increasing the thickness of the PI in the second non-display area; Color display is also possible.

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

Abstract

一种显示面板(100)及显示装置。至少一个第一挡墙(12)远离显示区(101)的一侧的边长小于第一挡墙(12)靠近显示区(101)的一侧的边长，减少位于第一非显示区(102)的PI溶液向第二非显示区(103)流动的阻力，提升位于第一非显示区(102)的PI溶液向第二非显示区(103)流动的速率，最终增加第二非显示区(103)的PI的厚度，避免第二非显示区(103)出现污痕不良的现象。

Description

一种显示面板及显示装置 技术领域
本申请涉及显示技术领域，具体涉及一种显示面板及显示装置。
 背景技术
显示装置可以把计算机的数据变换成各种文字、数字、符号或直观的图像显示出来，并且可以利用键盘等输入工具把命令或数据输入计算机，借助系统的硬件和软件随时增添、删改、变换显示内容。显示装置根据所用之显示器件分为等离子、液晶、发光二极管和阴极射线管等类型。
LCD （英文全称：Liquid Crystal Display，液晶显示器）。液晶显示器是以液晶材料为基本组件，在两块平行板之间填充液晶材料，通过电压来改变液晶材料内部分子的排列状况，以达到遮光和透光的目的来显示深浅不一，错落有致的图象。
 技术问题
目前的显示面板设计中，与显示区不同的Dummy区域的地势是不平坦的。在注入聚酰亚胺（英文全称：Polyimide，简称PI）液滴较大和基板轻薄化的状态下，设备生产与搬运过程中存在基板倾斜，容易导致靠近显示区的Dummy区的PI偏薄甚至没有PI的现象发生，从而导致靠近显示区的Dummy区的PI支链减少，导致此处的预倾角变小，导致PI对液晶的控制能力减弱，容易出现Mura现象，最终导致边框污痕不良。目前，一般通过调整PI滴落位置和基板的位置以改善靠近显示区的Dummy区的PI偏薄甚至没有PI的现象。但是此方法需要调整设备，周期长，效率低，效果慢。
 技术解决方案
本发明的目的是提供一种显示面板及显示装置，其能够解决现有技术中靠近显示区的Dummy区的PI偏薄导致的边框污痕不良等问题。
为了解决上述问题，本发明提供了一种显示面板，其包括显示区、包围所述显示区的第一非显示区和位于所述显示区和所述第一非显示区之间的第二非显示区；所述显示面板包括：阵列基板，其包括：第一基板；以及多个第一挡墙，相互间隔设置于所述第一基板上，且位于所述第一非显示区内；至少一个所述第一挡墙远离所述显示区的一侧的边长小于该所述第一挡墙靠近所述显示区的一侧的边长。
进一步的，至少一个所述第一挡墙在所述第一基板上的投影图形为梯形或三角形。
进一步的，至少一个所述第一挡墙的侧壁在所述第一基板上的投影图形包括直线形、锯齿形、阶梯形中的一种或多种。
进一步的，所述锯齿形的齿尖朝向所述显示区倾斜。
进一步的，位于所述显示区的同侧的任意两个相邻的所述第一挡墙之间的最小间距相等。
进一步的，所述阵列基板还包括：多个第二挡墙，相互间隔设置于所述第一基板上，且位于所述第二非显示区内。
进一步的，所述显示面板还包括：彩膜基板，与所述阵列基板相对设置；以及液晶层，设置于所述阵列基板与所述彩膜基板之间；所述彩膜基板包括：第二基板，与所述第一基板相对设置；多个黑色矩阵单元，相互间隔设置于所述第二基板朝向所述第一基板的一侧的表面上。
进一步的，所述显示面板还包括：多个色阻单元，设置于所述彩膜基板中或者设置于所述阵列基板中。
进一步的，所述第一挡墙的材料与所述色阻单元的材料相同。
为了解决上述问题，本发明还提供了一种显示装置，其包括本发明所涉及的显示面板。
 有益效果
本发明将至少一个所述第一挡墙远离所述显示区的一侧的边长小于该所述第一挡墙靠近所述显示区的一侧的边长，由此减少位于第一非显示区的PI溶液与第一挡墙远离所述显示区的一侧的底边的接触面积，进而减少位于第一非显示区的PI溶液向第二非显示区流动的阻力，提升位于第一非显示区的PI溶液向第二非显示区流动的速率，最终增加第二非显示区的PI的厚度，改善现有技术中第二非显示区的PI的厚度低导致第二非显示区出现Mura现象，避免第二非显示区出现污痕不良的现象。避免现有技术通过调整设备改善第二非显示区PI偏薄存在的周期长、效率低、效果慢的问题。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，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，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例1的显示面板的结构示意图；
图2是本发明实施例1的显示面板的阵列基板的平面示意图；
图3是本发明实施例1的显示面板的彩膜基板的结构示意图；
图4是本发明实施例2的显示面板的阵列基板的平面示意图。
附图标记说明：
100、显示面板；                     101、显示区；
102、第一非显示区；                 103、第二非显示区
1、阵列基板；                       2、彩膜基板；
3、液晶层；                         4、色阻单元；
11、第一基板；                       12、第一挡墙；
13、第二挡墙；
21、第二基板；                       22、黑色矩阵单元；
4、色阻单元。
 本发明的实施方式
以下结合说明书附图详细说明本发明的优选实施例，以向本领域中的技术人员完整介绍本发明的技术内容，以举例证明本发明可以实施，使得本发明公开的技术内容更加清楚，使得本领域的技术人员更容易理解如何实施本发明。然而本发明可以通过许多不同形式的实施例来得以体现，本发明的保护范围并非仅限于文中提到的实施例，下文实施例的说明并非用来限制本发明的范围。
本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是附图中的方向，本文所使用的方向用语是用来解释和说明本发明，而不是用来限定本发明的保护范围。
在附图中，结构相同的部件以相同数字标号表示，各处结构或功能相似的组件以相似数字标号表示。此外，为了便于理解和描述，附图所示的每一组件的尺寸和厚度是任意示出的，本发明并没有限定每个组件的尺寸和厚度。
实施例
如图1所示，本实施例提供了一种显示装置。所述显示装置包括了一种显示面板100。显示面板100包括：阵列基板1、彩膜基板2以及液晶层3。
如图1所示，彩膜基板2与所述阵列基板1相对设置。液晶层3设置于所述阵列基板1与所述彩膜基板2之间。
如图2所示，所述显示面板100包括：显示区101、包围所述显示区101的第一非显示区102和位于所述显示区101和所述第一非显示区102之间的第二非显示区103。本实施例中，所述显示区101为显示面板100中间部分，其形状为矩形；所述第二非显示区103为靠近所述显示区101的Dummy区，其形状为包围所述显示区101的回字形；所述第一非显示区102为远离所述显示区101的Dummy区，其形状为包围所述第二非显示区103的回字形。
如图2所示，阵列基板1包括：第一基板11、多个第一挡墙12以及多个第二挡墙13。
其中，第一基板11的材质为玻璃、聚酰亚胺、聚碳酸酯、聚对苯二甲酸乙二醇酯以及聚萘二甲酸乙二醇酯中的一种或多种，由此第一基板11可具有较好的抗冲击能力，可以有效保护显示面板100。
其中，多个第一挡墙12相互间隔设置于所述第一基板11上，且位于所述第一非显示区102内。
其中，至少一个所述第一挡墙12远离所述显示区101的一侧的边长小于该所述第一挡墙12靠近所述显示区101的一侧的边长。具体而言，可以将至少一个所述第一挡墙12在所述第一基板11上的投影图形设置成梯形或三角形。本实施例中，所述第一挡墙12在所述第一基板11上的投影图形为三角形，此时，第一挡墙12远离所述显示区101的一侧的边长即为0。由此减少位于第一非显示区102的PI溶液与第一挡墙12远离所述显示区101的一侧的底边的接触面积，进而减少位于第一非显示区102的PI溶液向第二非显示区103流动的阻力，提升位于第一非显示区102的PI溶液向第二非显示区103流动的速率，最终增加第二非显示区103的PI的厚度，改善现有技术中第二非显示区103的PI的厚度低导致第二非显示区103出现Mura现象，避免第二非显示区103出现污痕不良的现象。避免现有技术通过调整设备改善第二非显示区103的PI偏薄存在的周期长、效率低、效果慢的问题。
其中，位于所述显示区101的同侧的任意两个相邻的所述第一挡墙12之间的最小间距相等。即，位于所述显示区101的同侧的所述第一挡墙12均匀设置，由此可以降低第一挡墙12的制备难度。
其中，多个第二挡墙13相互间隔设置于所述第一基板11上，且位于所述第二非显示区103内。本实施例中，所述第二挡墙13在所述第一基板11上的投影图形为矩形。本实施例中，所述第二挡墙13与所述第一挡墙12一一对应设置。其他实施例中，所述第二挡墙13也可以与所述第一挡墙12相互交错设置。
如图3所示，彩膜基板2包括：第二基板21、多个黑色矩阵单元22。
其中，第二基板21的材质为玻璃、聚酰亚胺、聚碳酸酯、聚对苯二甲酸乙二醇酯以及聚萘二甲酸乙二醇酯中的一种或多种，由此第二基板21可具有较好的抗冲击能力，可以有效保护显示面板100。
其中，黑色矩阵单元22相互间隔设置于所述第二基板21靠近所述第一基板11的一侧的表面上。所述黑色矩阵单元22用于防止发生串色现象。
其中，显示面板100还包括：多个色阻单元4。色阻单元4设置于所述彩膜基板2中或者设置于所述阵列基板1中。本实施例中，色阻单元4设置于所述彩膜基板2中。具体的，色阻单元4设置于相邻的所述黑色矩阵单元22之间的所述第二基板21朝向所述第一基板11的一侧的表面上，且延伸覆盖于所述黑色矩阵单元22靠近所述第一基板11的一侧的表面上。
其中，所述第一挡墙12的材料与所述色阻单元4的材料相同。事实上，所述色阻单元4包括红色色阻单元、绿色色阻单元以及蓝色色阻单元。即，所述第一挡墙12的材料包括：红色色阻单元材料、绿色色阻单元材料以及蓝色色阻单元材料中的一种或多种。
在其他实施例中，所述色阻单元4可以设置于所述阵列基板1中，即COA(Color Filter on Array)技术。此时，色阻单元4既可以用作第一挡墙12，减少位于第一非显示区的PI溶液与第一挡墙远离所述显示区的一侧的底边的接触面积，进而减少位于第一非显示区的PI溶液向第二非显示区流动的阻力，提升位于第一非显示区的PI溶液向第二非显示区流动的速率，最终增加第二非显示区的PI的厚度；还可以进行彩色显示。
实施例2
如图1所示，本实施例提供了一种显示装置。所述显示装置包括了一种显示面板100。显示面板100包括：阵列基板1、彩膜基板2以及液晶层3。
如图1所示，彩膜基板2与所述阵列基板1相对设置。液晶层3设置于所述阵列基板1与所述彩膜基板2之间。
如图4所示，所述显示面板100包括：显示区101、包围所述显示区101的第一非显示区102和位于所述显示区101和所述第一非显示区102之间的第二非显示区103。本实施例中，所述显示区101为显示面板100中间部分，其形状为矩形；所述第二非显示区103为靠近所述显示区101的Dummy区，其形状为包围所述显示区101的回字形；所述第一非显示区102为远离所述显示区101的Dummy区，其形状为包围所述第二非显示区103的回字形。
如图4所示，阵列基板1包括：第一基板11、多个第一挡墙12以及多个第二挡墙13。
其中，第一基板11的材质为玻璃、聚酰亚胺、聚碳酸酯、聚对苯二甲酸乙二醇酯以及聚萘二甲酸乙二醇酯中的一种或多种，由此第一基板11可具有较好的抗冲击能力，可以有效保护显示面板100。
其中，多个第一挡墙12相互间隔设置于所述第一基板11上，且位于所述第一非显示区102内。
其中，至少一个所述第一挡墙12远离所述显示区101的一侧的边长小于该所述第一挡墙12靠近所述显示区101的一侧的边长。其中，至少一个所述第一挡墙12的侧壁在所述第一基板11上的投影图形可以设置成锯齿形或者阶梯形。 本实施例中，将所述第一挡墙12的侧壁在所述第一基板11上的投影图形设置成锯齿形，且锯齿形的齿尖朝向所述显示区101倾斜。由此减少位于第一非显示区102的PI溶液与第一挡墙12远离所述显示区101的一侧的底边的接触面积，进而减少位于第一非显示区102的PI溶液向第二非显示区103流动的阻力，提升位于第一非显示区102的PI溶液向第二非显示区103流动的速率，增加位于第二非显示区103的PI溶液向第一非显示区102流动的阻力，降低位于第二非显示区103的PI溶液向第一非显示区102流动的速率，最终增加第二非显示区103的PI的厚度，改善现有技术中第二非显示区103的PI的厚度低导致第二非显示区103出现Mura现象，避免第二非显示区103出现污痕不良的现象。避免现有技术通过调整设备改善第二非显示区103的PI偏薄存在的周期长、效率低、效果慢的问题。
其中，位于所述显示区101的同侧的任意两个相邻的所述第一挡墙12之间的最小间距相等。即，位于所述显示区101的同侧的所述第一挡墙12均匀设置，由此可以降低第一挡墙12的制备难度。
其中，多个第二挡墙13相互间隔设置于所述第一基板11上，且位于所述第二非显示区103内。本实施例中，所述第二挡墙13在所述第一基板11上的投影图形为矩形。本实施例中，所述第二挡墙13与所述第一挡墙12一一对应设置。其他实施例中，所述第二挡墙13也可以与所述第一挡墙12相互交错设置。
如图3所示，彩膜基板2包括：第二基板21、多个黑色矩阵单元22。
其中，第二基板21的材质为玻璃、聚酰亚胺、聚碳酸酯、聚对苯二甲酸乙二醇酯以及聚萘二甲酸乙二醇酯中的一种或多种，由此第二基板21可具有较好的抗冲击能力，可以有效保护显示面板100。
其中，黑色矩阵单元22相互间隔设置于所述第二基板21靠近所述第一基板11的一侧的表面上。所述黑色矩阵单元22用于防止发生串色现象。
其中，显示面板100还包括：多个色阻单元4。色阻单元4设置于所述彩膜基板2中或者设置于所述阵列基板1中。本实施例中，色阻单元4设置于所述彩膜基板2中。具体的，色阻单元4设置于相邻的所述黑色矩阵单元22之间的所述第二基板21朝向所述第一基板11的一侧的表面上，且延伸覆盖于所述黑色矩阵单元22靠近所述第一基板11的一侧的表面上。
其中，所述第一挡墙12的材料与所述色阻单元4的材料相同。事实上，所述色阻单元4包括红色色阻单元、绿色色阻单元以及蓝色色阻单元。即，所述第一挡墙12的材料包括：红色色阻单元材料、绿色色阻单元材料以及蓝色色阻单元材料中的一种或多种。
在其他实施例中，所述色阻单元4可以设置于所述阵列基板1中，即COA(Color Filter on Array)技术。此时，色阻单元4既可以用作第一挡墙12，减少位于第一非显示区的PI溶液与第一挡墙远离所述显示区的一侧的底边的接触面积，进而减少位于第一非显示区的PI溶液向第二非显示区流动的阻力，提升位于第一非显示区的PI溶液向第二非显示区流动的速率，最终增加第二非显示区的PI的厚度；还可以进行彩色显示。
进一步的，以上对本申请所提供的一种显示面板及显示装置进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (18)

  1. 一种显示面板，包括显示区、包围所述显示区的第一非显示区和位于所述显示区和所述第一非显示区之间的第二非显示区；
    所述显示面板包括：
    阵列基板，其包括：
    第一基板；以及
    多个第一挡墙，相互间隔设置于所述第一基板上，且位于所述第一非显示区内；
    至少一个所述第一挡墙远离所述显示区的一侧的边长小于该所述第一挡墙靠近所述显示区的一侧的边长。
  2. 根据权利要求1所述的显示面板，至少一个所述第一挡墙在所述第一基板上的投影图形为梯形或三角形。
  3. 根据权利要求1所述的显示面板，至少一个所述第一挡墙的侧壁在所述第一基板上的投影图形包括直线形、锯齿形、阶梯形中的一种或多种。
  4. 根据权利要求3所述的显示面板，所述锯齿形的齿尖朝向所述显示区倾斜。
  5. 根据权利要求1所述的显示面板，位于所述显示区的同侧的任意两个相邻的所述第一挡墙之间的最小间距相等。
  6. 根据权利要求1所述的显示面板，所述阵列基板还包括：
    多个第二挡墙，相互间隔设置于所述第一基板上，且位于所述第二非显示区内。
  7. 根据权利要求1所述的显示面板，所述显示面板还包括：
    彩膜基板，与所述阵列基板相对设置；以及
    液晶层，设置于所述阵列基板与所述彩膜基板之间；
    所述彩膜基板包括：
    第二基板，与所述第一基板相对设置；以及
    多个黑色矩阵单元，相互间隔设置于所述第二基板朝向所述第一基板的一侧的表面上。
  8. 根据权利要求7所述的显示面板，所述显示面板还包括：
    多个色阻单元，设置于所述彩膜基板中或者设置于所述阵列基板中。
  9. 根据权利要求8所述的显示面板，所述第一挡墙的材料与所述色阻单元的材料相同。
  10. 一种显示装置，包括显示面板；
    所述显示面板，包括显示区、包围所述显示区的第一非显示区和位于所述显示区和所述第一非显示区之间的第二非显示区；
    所述显示面板包括：
    阵列基板，其包括：
    第一基板；以及
    多个第一挡墙，相互间隔设置于所述第一基板上，且位于所述第一非显示区内；
    至少一个所述第一挡墙远离所述显示区的一侧的边长小于该所述第一挡墙靠近所述显示区的一侧的边长。
  11. 根据权利要求10所述的显示装置，至少一个所述第一挡墙在所述第一基板上的投影图形为梯形或三角形。
  12. 根据权利要求10所述的显示装置，至少一个所述第一挡墙的侧壁在所述第一基板上的投影图形包括直线形、锯齿形、阶梯形中的一种或多种。
  13. 根据权利要求12所述的显示装置，所述锯齿形的齿尖朝向所述显示区倾斜。
  14. 根据权利要求10所述的显示装置，位于所述显示区的同侧的任意两个相邻的所述第一挡墙之间的最小间距相等。
  15. 根据权利要求10所述的显示装置，所述阵列基板还包括：
    多个第二挡墙，相互间隔设置于所述第一基板上，且位于所述第二非显示区内。
  16. 根据权利要求10所述的显示装置，所述显示面板还包括：
    彩膜基板，与所述阵列基板相对设置；以及
    液晶层，设置于所述阵列基板与所述彩膜基板之间；
    所述彩膜基板包括：
    第二基板，与所述第一基板相对设置；以及
    多个黑色矩阵单元，相互间隔设置于所述第二基板朝向所述第一基板的一侧的表面上。
  17. 根据权利要求16所述的显示装置，所述显示面板还包括：
    多个色阻单元，设置于所述彩膜基板中或者设置于所述阵列基板中。
  18. 根据权利要求17所述的显示装置，所述第一挡墙的材料与所述色阻单元的材料相同。
PCT/CN2022/081065 2022-03-07 2022-03-16 一种显示面板及显示装置 WO2023168733A1 (zh)

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