WO2017181460A1 - 一种液晶显示面板、显示装置 - Google Patents

一种液晶显示面板、显示装置 Download PDF

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Publication number
WO2017181460A1
WO2017181460A1 PCT/CN2016/082283 CN2016082283W WO2017181460A1 WO 2017181460 A1 WO2017181460 A1 WO 2017181460A1 CN 2016082283 W CN2016082283 W CN 2016082283W WO 2017181460 A1 WO2017181460 A1 WO 2017181460A1
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WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
display panel
spacer
sub
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Application number
PCT/CN2016/082283
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English (en)
French (fr)
Inventor
张霞
陈孝贤
Original Assignee
深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US15/120,754 priority Critical patent/US20170299928A1/en
Publication of WO2017181460A1 publication Critical patent/WO2017181460A1/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
    • G02F1/1339—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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136222—Colour filters incorporated in the active matrix substrate
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a liquid crystal display panel, and a display device using the liquid crystal display panel.
  • Color Filter On Array technology (COA technology for short) is an integrated technology that integrates color filters and thin film transistor array substrates. Liquid crystal display panels using COA technology have larger counterparts than conventional liquid crystal display panels. Opening ratio.
  • the spacer and the black matrix are respectively formed, and the required processing time is long.
  • the spacer is divided into a main spacer and a sub spacer, and when the main spacer and the sub spacer are produced, it is required. Strictly design the transmittance of each area of the reticle, or strictly control the exposure time, exposure amount and other parameters to ensure that the main spacer and the sub-spacer have different heights, which not only increases the production time of the liquid crystal display panel, but also This complicates the manufacturing process of the liquid crystal display panel.
  • the embodiment of the invention provides a liquid crystal display panel and a display device using the liquid crystal display panel, so as to solve the problem that the whole production time is longer and the height is made by the spacers and the black matrix respectively in the prior art.
  • the main spacer and the sub-interval which will complicate the manufacturing process of the liquid crystal display panel.
  • the embodiment of the invention provides a liquid crystal display panel, and the liquid crystal display panel includes:
  • a color resist layer disposed on the thin film transistor, comprising blue color resistance, red color resistance and green color resistance;
  • the flat layer corresponding to the scan line is provided with a groove portion and a non-groove portion, wherein the flat layer is made of a negative photoresist material;
  • a spacer comprising a main spacer and a sub-spacer
  • the main spacer is disposed on a black matrix corresponding to the non-groove portion for supporting the display substrate and the opposite substrate disposed opposite to the display substrate, so that the display substrate and the opposite substrate Maintaining a certain distance between the substrates
  • the sub-spacers are disposed on the black matrix corresponding to the groove portion for supporting the liquid crystal display panel when subjected to external pressure; wherein the main spacers are from the The sub-spacers are protruded, and the sub-spacers protrude from the black matrix corresponding to the non-groove portions.
  • the black matrix and the spacer are made of the same material.
  • the black matrix and the spacer are formed by a yellow light process using a halftone mask or a gray dimming cover.
  • the height of the main spacer protruding from the sub-spacer ranges from 0.2 micrometers to 1 micrometer.
  • the sub-spacer protrudes from the black matrix corresponding to the non-groove portion by a height of not more than 2.3 micrometers.
  • the main spacer and the sub-spacer are arranged to have a density of one main spacer and 24 sub-intervals per 8 pixels. Things.
  • the sub-spacers have a one-to-one correspondence with the color resistance in the color resist layer.
  • the main spacer is disposed on a black matrix corresponding to the non-groove portion above the blue color resist.
  • the thickness difference between the non-groove portion and the groove portion ranges from 0.25 micrometers to 1 micrometer.
  • the shape of the groove portion includes a rectangular parallelepiped, a cube, or a cylinder.
  • the embodiment of the invention further provides a liquid crystal display panel, the liquid crystal display panel comprising:
  • a flat layer disposed on the color resist layer, and a groove portion and a non-groove portion are disposed in the flat layer corresponding to the scan line;
  • a spacer comprising a main spacer and a sub-spacer
  • the main spacer is disposed on a black matrix corresponding to the non-groove portion for supporting the display substrate and the opposite substrate disposed opposite to the display substrate, so that the display substrate and the opposite substrate Maintaining a certain distance between the substrates
  • the sub-spacers are disposed on the black matrix corresponding to the groove portion for supporting the liquid crystal display panel when subjected to external pressure
  • the main spacers are The sub-spacer protrudes, and the sub-spacer protrudes from a black matrix corresponding to the non-groove portion.
  • the black matrix and the spacer are made of the same material.
  • the black matrix and the spacer are formed by a yellow light process using a halftone mask or a gray dimming cover.
  • the height of the main spacer protruding from the sub-spacer ranges from 0.2 micrometers to 1 micrometer.
  • the sub-spacer protrudes from the black matrix corresponding to the non-groove portion by a height of not more than 2.3 micrometers.
  • the thickness difference between the non-groove portion and the groove portion ranges from 0.25 micrometers to 1 micrometer.
  • the main spacer and the sub-spacer are arranged to have a density of one main spacer and 24 sub-intervals per 8 pixels. Things.
  • the sub-spacers have a one-to-one correspondence with the color resistance in the color resist layer.
  • the shape of the groove portion includes a rectangular parallelepiped, a cube, or a cylinder.
  • the embodiment of the invention further provides a display device, which comprises any one of the above liquid crystal display panels.
  • the liquid crystal display panel provided by the embodiment of the present invention is provided with a groove on a flat layer corresponding to the scan line, that is, a flat layer corresponding to the scan line is divided into a non-groove portion and a groove portion, and
  • the main spacer is disposed on the black matrix corresponding to the non-groove portion
  • the sub-spacer is disposed on the black matrix corresponding to the groove portion
  • the film thickness difference between the non-groove portion and the groove portion is used to realize the pair
  • the arrangement of the height difference between the main spacer and the sub-spacer, the main spacer and the sub-spacer in the liquid crystal display panel of the present invention can be formed in one time by a yellow light process with the black matrix, further shortening the time for manufacturing the liquid crystal display panel, and simplifying The manufacturing process of the liquid crystal display panel.
  • the embodiment of the invention further provides a display device, which adopts the liquid crystal display panel provided by the invention, which makes the preparation process simpler and the manufacturing cost is low.
  • FIG. 1 is a schematic plan view of a liquid crystal display panel of the present invention
  • Figure 2 is a schematic cross-sectional view taken at the dotted line in Figure 1.
  • FIG. 1 is a plan view of a liquid crystal display panel of a preferred embodiment, and a cross-sectional view taken along a direction of a broken line in FIG. 1 is shown in FIG. 2.
  • the liquid crystal display panel includes a display substrate 100, and scan lines are disposed on the display substrate 100.
  • the scan lines are not shown in FIG. 2, and those skilled in the art according to FIG. 1 and the liquid crystal
  • the common sense of the display panel is to know the position of the scan line.
  • a thin film transistor 200 is disposed on the scan line layer, and a color resist layer 300 is disposed on the thin film transistor 200.
  • the color resist layer 300 includes a blue color resist 301, a red color resist 302, a green color resist 303, and a color resist 304, wherein the color resist 304 It may be a white color resistance, or may be any one of a red color resistance, a green color resistance, and a blue color resistance, which is not limited herein.
  • a flat layer is disposed on the color resist layer 300, and a non-groove portion 401 and a groove portion 402 are disposed in the flat layer 400 corresponding to the scan line.
  • the flat layer corresponding directly below the black matrix 500 is the flat layer 400 corresponding to the scan line, and the flat layer at other positions is a flat layer on the display area of the liquid crystal display panel.
  • the flat layer material is first coated on the color resist layer 300, and the halftone light is placed on the flat layer corresponding to the scan line.
  • the cover layer and the flat layer material are made of a negative photoresist material.
  • the transmittance of some areas is set to 50%, and the transmittance of some areas is 100%, so that at the same exposure intensity
  • the flat layer corresponding to the light transmittance of 50% has a small film thickness
  • the flat layer corresponding to the light transmittance of 100% has a large film thickness
  • the flat layer corresponding to the washout scanning line is not a light-solid negative photoresist material, thereby preparing a plurality of rectangular parallelepiped groove structures on the flat layer corresponding to the scan lines, and the flat layer at the grooves is referred to as the groove portion 402 of the flat layer 400 corresponding to the scan line.
  • the non-groove, that is, the flatter portion is referred to as the non-groove portion 401 of the flat layer 400 corresponding to the scan line.
  • the flat layer may also adopt a gray dimming cover, and the groove portion and the non-groove portion having different film thicknesses are adjusted by setting the light transmittance of certain regions in the reticle.
  • the thickness of the non-groove portion 401 and the thickness of the groove portion 402 are in the range of 0.25 micrometers to 1 micrometer.
  • the shape of the groove structure formed may of course be a square or a cylinder, and is not specifically limited herein.
  • the arrangement of the grooves and the number of the grooves can be set by arranging and arranging the areas in which the light transmittance of the gray dimming cover is 50%, and the grooves can be arranged periodically. It may or may not be periodically arranged, and is not specifically limited herein.
  • a groove portion 402 is disposed on the flat layer 400 corresponding to each color resist in the color resist layer 300.
  • the black matrix 500 is disposed on the flat layer 400 corresponding to the scan line. It can be understood that the black matrix 500 is distributed on the non-groove portion 401 and the groove portion 402 according to the structure of the flat layer 400 corresponding to the scan line. on.
  • the spacer 600 includes a main spacer 601 and a sub spacer 602.
  • the main spacer 601 is disposed on the black matrix 500 corresponding to the non-groove portion 401 for supporting the display substrate 100.
  • the opposite substrate such that the display substrate 100 and the opposite substrate are kept at a certain distance to leave sufficient space for the liquid crystal molecules between the display substrate 100 and the opposite substrate;
  • the sub-spacer 602 is placed in the black matrix corresponding to the groove portion 402. In 500, it is used to assist the main spacer 601 to support the liquid crystal display panel when the liquid crystal display panel is subjected to external pressure.
  • the spacer 600 Since the spacer 600 mainly serves as a support, the spacer 600 needs to protrude from the black matrix, and for the main spacer 601, it is disposed on the black matrix 500 corresponding to the non-groove portion 401, and thus the main spacer It must be protruded from the black matrix 500, and for the sub-spacer 602, since it is disposed on the black matrix 500 corresponding to the groove portion 402, the sub-spacer 602 must correspond to the non-groove portion 401.
  • the black matrix 500 is high, that is, protrudes from the black matrix 500 corresponding to the non-groove portion 401.
  • the main spacer 601 plays a main supporting role with respect to the sub spacer 602, the main spacer 601 is required to protrude from the sub spacer 602, that is, the top of the main spacer 601 is higher than the height of the display substrate 100.
  • the height of the substrate 100 is displayed at the top of the sub-spacer 602.
  • the height of the main spacer 601 protruding from the sub-spacer 602 is 0.2 ⁇ m to 1 ⁇ m, and the height of the sub-spacer 602 protruding from the black matrix 500 corresponding to the non-groove portion 401 is not more than 2.3 microns.
  • the height of the main spacer 601 protruding from the sub-spacer 602 is 0.9 micrometers, and the height of the sub-spacer 602 protruding from the black matrix 500 corresponding to the non-groove portion 401 is 1.1 micrometers.
  • the black matrix 500 and the spacer 600 are made of the same material, which has the advantage that the process of preparing the black matrix 500 can be fused with the process of preparing the spacer 600, namely the black matrix 500 and
  • the spacer 600 can be formed in one time without being divided into two steps, and at the same time, the difference in film thickness between the non-groove portion 401 and the groove portion 402 in the flat layer 400 corresponding to the scan line is used, that is, the main can be realized.
  • the material of the black matrix 500 is required to have a light-shielding property, and the material of the spacer 600 needs to have good resilience
  • the material of the black matrix 500 and the spacer 600 in the preferred embodiment is a photosensitive resin composition, such as The photosensitive resin composition mentioned in Chinese Patent Application No. 201410143952.9 has both light-shielding property and good resilience.
  • other materials may be selected as the black matrix 500 and the spacer 600.
  • the material, or the black matrix 500 and the spacer 600 are separately made of different materials, and are not specifically limited herein.
  • the photosensitive resin composition is coated on the flat layer 400 corresponding to the scan line, and exposed by a yellow light process using a suitable halftone mask or a gray dimming mask, so as to be on the flat layer 400 corresponding to the scan line.
  • a black matrix 500 and a spacer 600 are formed.
  • a black matrix 500 is formed on the non-groove portion 401 of the flat layer 400 corresponding to the scan line, and in a certain region of the black matrix 500, since the light transmittance of the corresponding mask is large, The light intensity of the exposure is made strong, resulting in a large film thickness in the region, thereby forming a protrusion, which is the main spacer 601; similarly, in the groove portion 402, a black matrix 500 is also formed, in the black In a certain area of the matrix 500, since the light transmittance of the reticle corresponding to the area is large, the light intensity of the exposure is strong, and the film thickness of the area is large, thereby forming a protrusion, and the protrusion is a sub-spacer. 602.
  • each color resist corresponds to the black matrix 500.
  • the main spacer 601 and the sub spacer 602 are arranged in a density of one main spacer 601 per 8 pixels, and the main spacer is disposed on the black matrix 500 corresponding to the non-groove portion above the blue color resist 301.
  • 8 pixels include 24 color resists, so there will be 24 sub-spacers 602.
  • the arrangement of the main spacers 601 and the sub-spacers 602 is more than the above one, and can be arranged according to the requirements of the actual liquid crystal display panel, for example, A plurality of main spacers 601 are disposed in the eight pixels.
  • the main spacers may be disposed on other color resistors such as the red color resistor 302 or the green color resistor 303, and the color resistance corresponding to the main spacer is not limited.
  • the flat layer corresponding to the scan line includes two portions, one is a non-groove portion, and the other is a groove portion, and the non-groove portion and the groove portion have a certain film thickness difference.
  • the black matrix and the spacer are made of the same material, the black matrix and the spacer are obtained by a yellow light process on the flat layer corresponding to the scan line, thereby reducing the manufacturing time of the liquid crystal display panel;
  • the main spacer is formed on the black matrix corresponding to the non-groove portion, and the sub-spacer is formed on the black matrix corresponding to the groove portion, which fully utilizes the difference in film thickness between the non-groove portion and the groove portion
  • the liquid crystal display panel provided by the preferred embodiment has a simpler manufacturing process than the existing liquid crystal display panel, and at the same time, the manufacturing time is greatly reduced and improved. The production efficiency of the liquid crystal display panel.
  • the preferred embodiment provides a display device including the foregoing liquid crystal display panel.
  • the flat layer corresponding to the scan line is disposed as a groove portion and a non-groove portion having a difference in film thickness. Therefore, the difference in film thickness between the groove portion and the non-groove portion is used to form the height difference between the main spacer and the sub-spacer, and at the same time, the black matrix and the spacer are made of the same material, so that the interval can be prepared while preparing the black matrix.
  • the material greatly improves the manufacturing efficiency of the display device. Compared with the conventional display device, since the black matrix, the main spacer and the sub-spacer are molded at one time, the manufacturing cost can be greatly reduced.

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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)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

一种液晶显示面板、显示装置，在液晶显示面板中，与扫描线正对应的平坦层（400）中设有非凹槽部（401）和凹槽部（402）；间隔物（600）包括置于非凹槽部（401）所对应的黑色矩阵（500）上的主间隔物（601）和置于凹槽部（402）所对应的黑色矩阵（500）上的子间隔物（602）。该液晶显示面板具有制作时间短，制作工艺过程简单等优点。

Description

一种液晶显示面板、显示装置 技术领域
本发明涉及显示技术领域，特别是涉及一种液晶显示面板，及应用该液晶显示面板的显示装置。
 背景技术
Color Filter On Array技术（简称COA技术）是一种将彩色滤光片与薄膜晶体管阵列基板集成在一起的集成技术，采用COA技术的液晶显示面板相比于传统的液晶显示面板来说，其具有更大的开口率。
现有的COA型液晶显示面板中，间隔物和黑色矩阵分别成型，所需的制程时间较长，同时，间隔物分为主间隔物和子间隔物，在制作主间隔物和子间隔物时，需要严格设计光罩各区域的穿透率，或严格控制曝光时间、曝光量等参数来保证形成的主间隔物与子间隔物具有不同的高度，这不但增加了液晶显示面板的制作时间，同时也使得液晶显示面板的制作过程复杂化。
 技术问题
本发明实施例提供一种液晶显示面板，及应用该液晶显示面板的显示装置，以解决现有技术中，因分别制作间隔物和黑色矩阵而导致的整个制作时间较长，以及制作不同高度的主间隔物和子间隔，而将将液晶显示面板的制作工艺复杂化的问题。
 技术解决方案
本发明实施例提供一种液晶显示面板，所述液晶显示面板包括：
显示基板；
扫描线，置于所述显示基板上；
薄膜晶体管，置于所述扫描线上；
色阻层，置于所述薄膜晶体管上，其包括蓝色色阻、红色色阻和绿色色阻；
平坦层，置于所述色阻层上，且所述扫描线正对应的平坦层中设置有凹槽部和非凹槽部，其中平坦层采用负性光阻材料；
黑色矩阵，置于所述扫描线正对应的平坦层上；
间隔物，包括主间隔物和子间隔物，所述主间隔物置于所述非凹槽部所对应的黑色矩阵上，用于支撑显示基板和与显示基板相对放置的相对基板，使得显示基板与相对基板间保持一定的距离；所述子间隔物置于所述凹槽部所对应的黑色矩阵上，用于在液晶显示面板受到外界压力时起到辅助支撑作用；其中所述主间隔物从所述子间隔物中突出，且所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出。
在本发明实施例所述的液晶显示面板中，所述黑色矩阵与间隔物采用相同的材料。
在本发明实施例所述的液晶显示面板中，所述黑色矩阵和间隔物采用半色调光罩或者灰色调光罩，通过黄光工艺一次性成型。
在本发明实施例所述的液晶显示面板中，所述主间隔物从所述子间隔物中突出的高度范围为0.2微米至1微米。
在本发明实施例所述的液晶显示面板中，所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出的高度为不大于2.3微米。
在本发明实施例所述的液晶显示面板中，所述液晶显示面板中，所述主间隔物和子间隔物排布密度为：每8个像素中设置有一个所述主间隔物和24个子间隔物。
在本发明实施例所述的液晶显示面板中，子间隔物与色阻层中的色阻呈一一对应。
在本发明实施例所述的液晶显示面板中，主间隔物设置在蓝色色阻上方的非凹槽部所对应的黑色矩阵上。
在本发明实施例所述的液晶显示面板中，在所述平坦层中，所述非凹槽部的厚度与凹槽部的厚度差范围为0.25微米至1微米。
在本发明实施例所述的液晶显示面板中，所述凹槽部的形状包括长方体、正方体或圆柱体。
本发明实施例还提供一种液晶显示面板，所述液晶显示面板包括：
显示基板；
扫描线，置于所述显示基板上；
薄膜晶体管，置于所述扫描线上；
色阻层，置于所述薄膜晶体管上；
平坦层，置于所述色阻层上，且所述扫描线正对应的平坦层中设置有凹槽部和非凹槽部；
黑色矩阵，置于所述扫描线正对应的平坦层上；
间隔物，包括主间隔物和子间隔物，所述主间隔物置于所述非凹槽部所对应的黑色矩阵上，用于支撑显示基板和与显示基板相对放置的相对基板，使得显示基板与相对基板间保持一定的距离；所述子间隔物置于所述凹槽部所对应的黑色矩阵上，用于在液晶显示面板受到外界压力时起到辅助支撑作用；其中，所述主间隔物从所述子间隔物中突出，且所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出。
在本发明实施例所述的液晶显示面板中，所述黑色矩阵与间隔物采用相同的材料。
在本发明实施例所述的液晶显示面板中，所述黑色矩阵和间隔物采用半色调光罩或者灰色调光罩，通过黄光工艺一次性成型。
在本发明实施例所述的液晶显示面板中，所述主间隔物从所述子间隔物中突出的高度范围为0.2微米至1微米。
在本发明实施例所述的液晶显示面板中，所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出的高度为不大于2.3微米。
在本发明实施例所述的液晶显示面板中，在所述平坦层中，所述非凹槽部的厚度与凹槽部的厚度差范围为0.25微米至1微米。
在本发明实施例所述的液晶显示面板中，所述液晶显示面板中，所述主间隔物和子间隔物排布密度为：每8个像素中设置有一个所述主间隔物和24个子间隔物。
在本发明实施例所述的液晶显示面板中，子间隔物与色阻层中的色阻呈一一对应。
在本发明实施例所述的液晶显示面板中，所述凹槽部的形状包括长方体、正方体或圆柱体。
本发明实施例又提供一种显示装置，所述显示装置包括上述任意一种液晶显示面板。
 有益效果
与现有技术相比，本发明实施例提供的液晶显示面板，通过在扫描线正对应的平坦层上设置凹槽，即扫描线正对应的平坦层分成非凹槽部和凹槽部，将主间隔物设置在非凹槽部所对应的黑色矩阵上，子间隔物设置在凹槽部所对应的黑色矩阵上，利用非凹槽部和凹槽部之间的膜厚差，来实现对主间隔物和子间隔物之间的高度差的设置，本发明的液晶显示面板中的主间隔物和子间隔物可以与黑色矩阵通过黄光工艺一次性成型，进一步缩短制作液晶显示面板的时间，简化液晶显示面板的制作工艺。
本发明实施例还提供一种显示装置，该显示装置由于采用本发明提供的液晶显示面板，使其制备过程更加的简单，制作成本低。
 附图说明
图1为本发明的液晶显示面板的俯视示意图；
图2为图1中虚线处的截面示意图。
 本发明的最佳实施方式
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面对实施例中所需要使用的附图作简单的介绍。下面描述中的附图仅为本发明的部分实施例，对于本领域普通技术人员而言，在不付出创造性劳动的前提下，还可以根据这些附图获取其他的附图。
图1为本优选实施例液晶显示面板的俯视图，沿图1中虚线的方向进行截面所成的截面图如图2所示。
下面将参照图1和图2详细介绍本优选实施例中液晶显示面板的结构。
请参见图2所示，本优选实施例中，液晶显示面板包括显示基板100，在显示基板100上设置扫描线，扫描线未在图2中示出，本领域的技术人员根据图1以及液晶显示面板的公知常识即可以知道扫描线的位置。在扫描线上层设置薄膜晶体管200，在薄膜晶体管200上设置色阻层300，色阻层300包括蓝色色阻301、红色色阻302、绿色色阻303、以及色阻304，其中，色阻304可以为白色色阻，也可以为红色色阻、绿色色阻和蓝色色阻中的任意一个，在此不做限定。
在色阻层300上设置平坦层，扫描线正对应的平坦层400中设置有非凹槽部401和凹槽部402，结合图1和图2可以很容易理解的是，在图2中，黑色矩阵500正下方所对应的平坦层为扫描线正对应的平坦层400，其他位置处的平坦层为液晶显示面板显示区上的平坦层。
在制作扫描线正对应的平坦层400中的非凹槽部401和凹槽部402时，先在色阻层300上涂布平坦层材料，在扫描线正对应的平坦层上放置半色调光罩，平坦层材料采用负性光阻材料，在半色调光罩中，设置某些区域透光率为50%，而某些区域透光率为100%，从而在相同的曝光强度下，透光率为50%的地方所对应的平坦层形成的膜厚小，而透光率为100%的地方所对应的平坦层形成的膜厚大，洗去扫描线正对应的平坦层中没有被光固的负性光阻材料，从而在扫描线所对应的平坦层上制备出很多个长方体的凹槽结构，凹槽处的平坦层称为扫描线正对应的平坦层400的凹槽部402，非凹槽处，即较平整的地方称为扫描线正对应的平坦层400的非凹槽部401。
在其他的实施例中，平坦层也可以采用灰色调光罩，通过设置光罩中某些区域的透光率来调节形成具有不同膜厚的凹槽部和非凹槽部，在本优选实施例中，非凹槽部401的厚度与凹槽部402的厚度差范围为0.25微米至1微米。所形成的凹槽结构的形状当然也可以为正方体或者圆柱体等，在此不做具体限制。
可以理解的是，凹槽的排布方式以及凹槽的个数等都可以通过设置灰色调光罩中透光率为50%的区域的排列方式以及数量进行设置，凹槽可以呈周期性排列，也可以不呈周期性排列，在此不做具体限定。在本优选实施例中，在色阻层300中每个色阻所对应的平坦层400上设置一个凹槽部402。
在扫描线正对应的平坦层400上设置黑色矩阵500，可以理解的是，黑色矩阵500根据扫描线正对应的平坦层400的结构，其分别分布在非凹槽部401上和凹槽部402上。
在黑色矩阵500上，设置间隔物600，间隔物600包括主间隔物601和子间隔物602，主间隔物601置于非凹槽部401所对应的黑色矩阵500上，其用于支撑显示基板100和相对基板，使得显示基板100与相对基板间保持一定的距离，以便给显示基板100和相对基板间的液晶分子留下足够的空间；子间隔物602置于凹槽部402所对应的黑色矩阵500上，其用于在液晶显示面板受到外界压力时辅助主间隔物601支撑液晶显示面板。
由于间隔物600主要起到支撑作用，因此间隔物600需要从黑色矩阵中突出来，对于主间隔物601来说，其设置在非凹槽部401所对应的黑色矩阵500上，因此主间隔物必定会从黑色矩阵500中突出，而对于子间隔物602来说，由于其设置在凹槽部402所对应的黑色矩阵500上，因此子间隔物602必须要比处于非凹槽部401所对应的黑色矩阵500高，即从非凹槽部401所对应的黑色矩阵500中突出。同时，由于主间隔物601相对子间隔物602来说，其起到主要支撑作用，因此要求主间隔物601从子间隔物602中突出，即主间隔物601的顶部距离显示基板100的高度高于子间隔物602的顶部距离显示基板100的高度。
在本优选实施例中，设置主间隔物601从子间隔物602突出的高度范围为0.2微米至1微米，子间隔物602从非凹槽部401所对应的黑色矩阵500突出的高度为不大于2.3微米。例如，主间隔物601从子间隔物602突出的高度为0.9微米，子间隔物602从非凹槽部401所对应的黑色矩阵500突出的高度为1.1微米。
在本优选实施例中，黑色矩阵500与间隔物600采用同一种材料制备，这样做的好处在于，可以将制备黑色矩阵500的过程与制备间隔物600的过程融合在一起，即黑色矩阵500和间隔物600可以一次性成型，不需要分成两个步骤进行，同时，利用扫描线正对应的平坦层400中的非凹槽部401与凹槽部402之间的膜厚差异，即可以实现主间隔物601与子间隔物602之间的高度差异。
由于黑色矩阵500的材料需要具备遮光的特性，而间隔物600的材料需要具备良好的回弹性，因此本优选实施例中作为黑色矩阵500和间隔物600的材料为一种光敏树脂组合物，如中国专利申请号为201410143952.9中提到的光敏树脂组合物，其同时具备遮光性和良好的回弹性，当然，在其他的实施例中，也可以选用其他的材料作为黑色矩阵500和间隔物600的材料，又或者黑色矩阵500与间隔物600采用不同的材料进行分别制作，在此不做具体限定。
将上述光敏树脂组合物涂布在扫描线正对应的平坦层400上，采用适当的半色调光罩或灰色调光罩，通过黄光工艺进行曝光，从而在扫描线正对应的平坦层400上形成黑色矩阵500和间隔物600。更具体地，在扫描线正对应的平坦层400的非凹槽部401上形成一层黑色矩阵500，在黑色矩阵500的某个区域中，由于其对应的光罩的透光率较大，使得曝光的光强较强，导致该区域的膜厚较大，从而形成突起，该突起为主间隔物601；同理，在凹槽部402中，同样形成一层黑色矩阵500，在该黑色矩阵500的某个区域中，由于该区域所对应的光罩的透光率较大，使得曝光的光强较强，导致该区域的膜厚较大，从而形成突起，该突起为子间隔物602。
在本优选实施例中，由于色阻层300中每个色阻所对应的平坦层上都设置一个凹槽部402，因此可以理解的是，每个色阻所对应的黑色矩阵500上都设置一个子间隔物602。
优选地，主间隔物601和子间隔物602排布密度为：每8个像素中设置有一个主间隔物601，主间隔物设置在蓝色色阻301上方的非凹槽部所对应的黑色矩阵500上；8个像素包括24个色阻，因此将有24个子间隔物602，主间隔物601和子间隔物602的排布情况不止上述一种，可以根据实际液晶显示面板的要求进行排布，例如8个像素中设置更多个主间隔物601，另外，主间隔物也可以设置在红色色阻302或绿色色阻303等其他色阻上，对主间隔物所对应的色阻不做限定。
在本优选实施例提供的液晶显示面板中，扫描线正对应的平坦层包括两个部分，一个是非凹槽部，一个是凹槽部，非凹槽部和凹槽部具有一定的膜厚差，由于黑色矩阵和间隔物采用同一种材料，因此在扫描线正对应的平坦层上通过黄光工艺一次性成型获得黑色矩阵和间隔物，减少了液晶显示面板的制作时间；同时，将间隔物中的主间隔物成型于非凹槽部所对应的黑色矩阵上，子间隔物成型于凹槽部所对应的黑色矩阵上，充分利用了非凹槽部和凹槽部之间的膜厚差异，来实现主间隔物和子间隔物之间的高度差异，本优选实施例提供的液晶显示面板，相比于现有的液晶显示面板，其制作过程更加的简单，同时，制作时间大大减少，提高液晶显示面板的生产效率。
本优选实施例提供一种显示装置，该显示装置包括前述的液晶显示面板，由于该液晶显示面板中，将扫描线正对应的平坦层设置成具有膜厚差异的凹槽部和非凹槽部，从而利用凹槽部和非凹槽部的膜厚差异来形成主间隔物和子间隔物的高度差，同时，黑色矩阵和间隔物采用同一种材料，因此可以在制备黑色矩阵的同时制备出间隔物，大大提高了显示装置的制作效率，相比于现有的显示装置，由于黑色矩阵、主间隔物和子间隔物一次性成型，因此可以大大降低制作成本。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选的实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种液晶显示面板，其包括：
    显示基板；
    扫描线，置于所述显示基板上；
    薄膜晶体管，置于所述扫描线上；
    色阻层，置于所述薄膜晶体管上，其包括蓝色色阻、红色色阻和绿色色阻；
    平坦层，置于所述色阻层上，且所述扫描线正对应的平坦层中设置有凹槽部和非凹槽部，其中平坦层采用负性光阻材料；
    黑色矩阵，置于所述扫描线正对应的平坦层上；
    间隔物，包括主间隔物和子间隔物，所述主间隔物置于所述非凹槽部所对应的黑色矩阵上，用于支撑显示基板和与显示基板相对放置的相对基板，使得显示基板与相对基板间保持一定的距离；所述子间隔物置于所述凹槽部所对应的黑色矩阵上，用于在液晶显示面板受到外界压力时起到辅助支撑作用；其中所述主间隔物从所述子间隔物中突出，且所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出。
  2. 根据权利要求1所述的液晶显示面板，其中所述黑色矩阵与间隔物采用相同的材料。
  3. 根据权利要求2所述的液晶显示面板，其中所述黑色矩阵和间隔物采用半色调光罩或者灰色调光罩，通过黄光工艺一次性成型。
  4. 根据权利要求1所述的液晶显示面板，其中所述主间隔物从所述子间隔物中突出的高度范围为0.2微米至1微米。
  5. 根据权利要求1所述的液晶显示面板，其中所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出的高度为不大于2.3微米。
  6. 根据权利要求1所述的液晶显示面板，其中所述液晶显示面板中，所述主间隔物和子间隔物排布密度为：每8个像素中设置有一个所述主间隔物和24个子间隔物。
  7. 根据权利要求6所述的液晶显示面板，其中子间隔物与色阻层中的色阻呈一一对应。
  8. 根据权利要求6所述的液晶显示面板，其中主间隔物设置在蓝色色阻上方的非凹槽部所对应的黑色矩阵上。
  9. 根据权利要求1所述的液晶显示面板，其中在所述平坦层中，所述非凹槽部的厚度与凹槽部的厚度差范围为0.25微米至1微米。
  10. 根据权利要求1所述的液晶显示面板，其中所述凹槽部的形状包括长方体、正方体或圆柱体。
  11. 一种液晶显示面板，其包括：
    显示基板；
    扫描线，置于所述显示基板上；
    薄膜晶体管，置于所述扫描线上；
    色阻层，置于所述薄膜晶体管上；
    平坦层，置于所述色阻层上，且所述扫描线正对应的平坦层中设置有凹槽部和非凹槽部；
    黑色矩阵，置于所述扫描线正对应的平坦层上；
    间隔物，包括主间隔物和子间隔物，所述主间隔物置于所述非凹槽部所对应的黑色矩阵上，用于支撑显示基板和与显示基板相对放置的相对基板，使得显示基板与相对基板间保持一定的距离；所述子间隔物置于所述凹槽部所对应的黑色矩阵上，用于在液晶显示面板受到外界压力时起到辅助支撑作用；其中所述主间隔物从所述子间隔物中突出，且所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出。
  12. 根据权利要求11所述的液晶显示面板，其中所述黑色矩阵与间隔物采用相同的材料。
  13. 根据权利要求12所述的液晶显示面板，其中所述黑色矩阵和间隔物采用半色调光罩或者灰色调光罩，通过黄光工艺一次性成型。
  14. 根据权利要求11所述的液晶显示面板，其中所述主间隔物从所述子间隔物中突出的高度范围为0.2微米至1微米。
  15. 根据权利要求11所述的液晶显示面板，其中所述子间隔物从所述非凹槽部所对应的黑色矩阵中突出的高度为不大于2.3微米。
  16. 根据权利要求11所述的液晶显示面板，其中在所述平坦层中，所述非凹槽部的厚度与凹槽部的厚度差范围为0.25微米至1微米。
  17. 根据权利要求11所述的液晶显示面板，其中所述液晶显示面板中，所述主间隔物和子间隔物排布密度为：每8个像素中设置有一个所述主间隔物和24个子间隔物。
  18. 根据权利要求17所述的液晶显示面板，其中子间隔物与色阻层中的色阻呈一一对应。
  19. 根据权利要求11所述的液晶显示面板，其中所述凹槽部的形状包括长方体、正方体或圆柱体。
  20. 一种显示装置，其包括权利要求11所述的一种液晶显示面板。
PCT/CN2016/082283 2016-04-19 2016-05-17 一种液晶显示面板、显示装置 WO2017181460A1 (zh)

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