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WO2016065818A1 - 显示面板母板、显示面板及其制作方法以及显示装置 - Google Patents

显示面板母板、显示面板及其制作方法以及显示装置 Download PDF

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Publication number
WO2016065818A1
WO2016065818A1 PCT/CN2015/074895 CN2015074895W WO2016065818A1 WO 2016065818 A1 WO2016065818 A1 WO 2016065818A1 CN 2015074895 W CN2015074895 W CN 2015074895W WO 2016065818 A1 WO2016065818 A1 WO 2016065818A1
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WO
WIPO (PCT)
Prior art keywords
layer
display panel
black matrix
sealant
alignment
Prior art date
Application number
PCT/CN2015/074895
Other languages
English (en)
French (fr)
Inventor
姜妮
李坤
向西
冯远明
Original Assignee
京东方科技集团股份有限公司
成都京东方光电科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司, 成都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 US14/786,017 priority Critical patent/US9664936B2/en
Priority to EP15778857.1A priority patent/EP3214488B1/en
Publication of WO2016065818A1 publication Critical patent/WO2016065818A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—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
    • G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
    • 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
    • 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
    • G02F1/1341—Filling or closing 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
    • G02F1/133354—Arrangements for aligning or assembling substrates
    • 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
    • G02F1/1341—Filling or closing of cells
    • G02F1/13415—Drop filling process

Definitions

  • At least one embodiment of the present invention is directed to a display panel motherboard, a display device, and a display panel and a method of fabricating the same.
  • TFT-LCD Thin Film Transistor Liquid Crystal Display
  • the tape cutting technology is an effective technical means for realizing the narrow bezel design of the liquid crystal panel and increasing the area of the display area, and has been applied by various panel manufacturers.
  • the display areas of the two panel units are separated by a single frame glue between two adjacent panel units, and the cutting lines of the adjacent panels are located on the center line of the frame glue.
  • Embodiments of the present invention provide a display panel motherboard, a display panel, a manufacturing method thereof, and a display device.
  • the structure of the sealant region of the display panel in the tape cutting process is provided, so that the alignment scale is easily recognized for accurate identification.
  • the alignment is calibrated to accurately cut the display panel motherboard and to help analyze product defects caused by low transmittance, color mixing, etc.
  • At least one embodiment of the present invention provides a display panel motherboard including an array substrate and a counter substrate, the array substrate including a metal wiring layer and a protective layer, the opposite substrate including a black matrix layer;
  • the lead layer and the black matrix layer are respectively provided with a registration scale in a portion corresponding to the sealant region; wherein the protective layer is in a thickness direction in a portion corresponding to the alignment scale in the metal lead layer Forming a protrusion, and/or the opposite substrate further includes a spacer layer, the spacer layer forming a protrusion in a thickness direction at a portion corresponding to the alignment scale in the black matrix layer .
  • At least one embodiment of the present invention also provides a display panel that passes the display
  • the panel mother board is obtained by cutting with a glue.
  • At least one embodiment of the present invention also provides a display device including the above display panel.
  • At least one embodiment of the present invention further provides a method for fabricating a display panel, the method comprising: forming a metal lead layer on an array substrate, and setting a registration scale in a portion of the metal lead layer corresponding to the sealant region; And forming a protective layer on the metal lead layer; forming a black matrix layer on the opposite substrate, and setting a registration scale in a portion of the black matrix layer corresponding to the sealant region; wherein the protective layer is a portion of the metal lead layer corresponding to the alignment scale forms a protrusion in the direction of the cartridge, and/or a spacer layer is formed on the black matrix layer, the spacer layer being in the black The portion of the matrix layer corresponding to the alignment scale forms a projection in the direction of the cartridge.
  • FIG. 1 is a schematic structural view of a display panel
  • Figure 2 is a cross-sectional view showing the display panel of Figure 1 taken along A-A';
  • 3a is a schematic structural view of a display panel unit of a display panel motherboard according to an embodiment of the present invention.
  • FIG. 3b is a schematic structural view of a sealant region of a display panel mother board according to an embodiment of the invention.
  • FIG. 4 is a schematic structural view of a sealant region of a display panel mother board according to another embodiment of the present invention.
  • FIG. 5 is a schematic structural view showing a sealant region of a display panel mother board according to still another embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a sealant region of a display panel mother board according to still another embodiment of the present invention.
  • FIG. 7 is a schematic structural view showing a sealant region of a display panel mother board according to still another embodiment of the present invention.
  • FIG. 8 is a schematic structural view showing a sealant region of a display panel mother board according to still another embodiment of the present invention.
  • FIG. 9 shows a schematic flow chart of a method of fabricating a display panel in accordance with one embodiment of the present invention.
  • the sealant is coated on the cutting line, as shown in FIG. 1 , the cut display panel is provided with a sealant on both sides of the display area. region.
  • the liquid crystal substrate is filled between the color filter substrate and the array substrate; in the sealant region, the sealant 2 is filled between the color filter substrate and the array substrate, wherein the black matrix layer 4 and the metal lead layer 3 are respectively Set with alignment scales 20 and 20'.
  • the cross-section of the sealant region is as shown in FIG. 2, and it can be seen that a protective layer 5 is disposed on the metal lead layer 3, and a thick layer of sealant is disposed on the protective layer 5, that is, a pair located near the cutting line.
  • the bit scale is covered by the sealant 2 .
  • the protective layer 5 is light transmissive, the light transmittance of the sealant 2 is very low, and when the device cuts the display panel mother board, it is difficult to recognize the alignment scale under the sealant 2, thereby making it difficult to accurately cut. .
  • At least one embodiment of the present invention provides a display panel motherboard including an array substrate 8 and an opposite substrate (such as the color filter substrate 9 shown in FIGS. 3a-8), the array substrate 8 including a metal wiring layer 3 and a protective layer 5.
  • the opposite substrate includes a black matrix layer 4; the metal wiring layer 3 and the black matrix layer 4 are respectively provided with alignment scales 20', 20 in portions corresponding to the sealant regions.
  • the protective layer 5 is formed with protrusions 51 in the thickness direction (the direction perpendicular to the array substrate 8) at a portion corresponding to the alignment scale in the metal wiring layer 3, and/or is opposed
  • the substrate may further include a spacer layer 7, and the spacer layer 7 is formed with protrusions 71 in a thickness direction (a direction perpendicular to the array substrate 8) at a portion corresponding to the alignment scale in the black matrix layer 4.
  • the protrusion 51 formed by the protective layer 5 protrudes from the surface of the protective layer 5 to the sealant 2;
  • the projection 71 formed by the spacer layer 7 protrudes from the surface of the spacer layer 7 toward the sealant 2.
  • Both the protective layer 5 and the spacer layer 7 can be directly connected to the sealant 2 .
  • the spacer layer 7 is provided in the sealant region of the display panel mother board, the protective layer 5 and the spacer layer 7 are connected by the sealant 2 .
  • the counter substrate is disposed opposite to the array substrate, and the liquid crystal 1 can be disposed therebetween.
  • the opposite substrate may be a color film substrate.
  • the opposite substrate may be another substrate other than the color filter substrate, such as a transparent substrate.
  • the alignment scale 20 in the black matrix layer 4 can be formed using the material forming the black matrix layer 4.
  • FIG. 3b is a schematic cross-sectional view of the display panel unit of FIG. 3a cut along BB', and the alignment scale 20 in the black matrix layer 4 is located at the edge of the display panel unit 100 of the display panel motherboard.
  • a plurality of spaced strip structures may be formed on the edge of the display panel unit 100 by using the material forming the black matrix layer 4, and these strip structures constitute the alignment scale 20, and each strip structure may serve as a registration scale A scale of 20.
  • the alignment scale 20' in the metal wiring layer 3 can be formed using the material forming the metal wiring layer 3.
  • the layer in which the alignment scale 20 is located is the black matrix layer 4, and the layer on which the alignment scale 20' is located is the metal wiring layer 3.
  • the structure of the sealant region of the display panel mother board may be as shown in FIG. 3b, wherein the alignment scale 20 may be disposed in the metal lead layer 3 and the black matrix layer 4.
  • the material of the alignment scale varies depending on its position, and the material of the alignment scale provided in the metal wiring layer 3 may be a metal or an alloy.
  • the protective layer 5 and/or the spacer layer 7 of the sealant region are formed with protrusions in the thickness direction of the alignment scale (for example, the height of the protrusion may be determined according to the thickness of the mother panel of the display panel),
  • the gap between the gaps is reduced, and the sealant is filled in the direction of the thickness of the alignment scale, and the seal between the protective layer 5 and the spacer layer 7 (or corresponding to the protective layer or the spacer layer) is filled.
  • the sealant 2 is reduced, and the thinner the sealant layer formed, the lower the degree of opacity to the alignment scale in the metal lead layer 3 and the black matrix layer 4.
  • the alignment scale on the two substrates can also be easily recognized, thereby according to the alignment
  • the positional relationship of the scale determines the accuracy of the pairing of the two substrates.
  • the sealant is formed with a recess at a position corresponding to the alignment scale.
  • the frame sealant 2 When adjacent to the protective layer 5 and the spacer layer 7, the shapes of the depressed portions 21 and 21' (as indicated by the broken line portions) match the shapes of the projections 51 and the projections 71, respectively.
  • the cutting device can pass through the protective layer 5 on one side of the display panel mother board when performing the rubber cutting in the sealant region.
  • the sealant 2 between the spacer layer 7 and the spacer layer 7 recognizes the alignment scale in the other side of the display panel motherboard, thereby performing an accurate cutting operation in the sealant region according to the alignment scale.
  • the protective layer 5 and the spacer layer 7 may be directly connected or indirectly connected by a sealant (that is, other layer structures may be added between the two).
  • the thickness of the protective layer 5 on the array substrate is small, the thickness of the spacer layer 7 on the color filter substrate can be increased, so that the thickness of the spacer layer 7 is greater than a preset value, and can also be ensured.
  • the sealant 2 is filled between the spacer layer 7 and the protective layer 5, and the formed sealant layer is thin, which ensures that the cutting device can accurately pass the sealant when cutting the display panel motherboard 2 Identify the alignment ruler.
  • the above preset value is the thickness of the portion of the spacer layer 7 in the sealant region when the protrusion 71 is not formed, and the preset value may be according to the thickness of the display panel motherboard and the penetrating ability of the cartridge calibration device. The thinner the mother board is, the stronger the penetrating ability of the box calibration device is, the smaller the preset value can be, so that the sealant between the spacer layer 7 and the protective layer 5 is more, and the sealant is guaranteed. Adhesion.
  • the thickness of the protective layer 5 can be increased to make the thickness larger than the pre-layer.
  • the value that is, the thickness of the portion of the protective layer 5 in the sealant region when the protrusion 51 is not formed), so that the gap between the protective layer 5 and the flat layer 6 is small, and the sealant 2 filled therein is Rarely, the formed sealant layer is very thin, so that the sealant 2 does not cause a large refractive index, which ensures that the cutting device can accurately recognize the alignment scale through the sealant 2 when cutting the display panel mother board. .
  • the black matrix layer 4 is provided with a color filter layer 10 on the alignment scale portion of the sealant region, and the color filter layer 10 constitutes a part of the spacer layer 7.
  • the color filter layer 10 may be formed together when forming the color filter layer of the pixel region, and then a normal spacer layer is disposed, so that the spacer layer includes a color filter layer.
  • the color filter layer 10 is disposed at a position corresponding to the black matrix layer 4.
  • the color filter layer 10 is the same width as the alignment scale 20 in the black matrix layer 4 in a direction parallel to the opposite substrate. This setting avoids the influence of the opaque color filter layer on the identification of the registration scale.
  • the color filter layer 10 includes one of a red filter layer, a green filter layer, and a blue filter layer. Layer or multiple layers. 7 and 8 illustrate a case where the color filter layer 10 includes two layers of filter layers.
  • the color filter substrate further includes a flat layer 6 disposed on the black matrix layer to form a flat layer structure for facilitating the provision of the spacer layer.
  • the array substrate further includes a structure such as a transparent pixel electrode layer and a transparent common electrode layer, and since these structures are not related to the improvement of the embodiment of the present invention, they will not be described in detail herein.
  • the protrusion 71 formed by the spacer layer 7 may be a protrusion or a plurality of protrusions, and a recess for accommodating the sealant is present between the plurality of protrusions.
  • Slot 72 the protrusion 71 formed by the spacer layer 7 may be a plurality of intermittent protrusions (which may be completely discontinuous, or may be connected to the bottom of the protrusions, and the tops of the protrusions are spaced apart), and each of the protrusions and the black matrix
  • the layers correspond. For example, in a direction parallel to the array substrate, the width of each of the protrusions is greater than the width of the alignment scale formed by the black matrix layer.
  • the protrusions provided in the middle of the spacer layer can be obtained by arranging the spacer mask, and the adjacent protrusions (ie, the grooves 72) are still filled with the sealant, thereby ensuring accurate calibration and Accurate cutting also ensures the adhesion between the color film substrate and the array substrate.
  • At least one embodiment of the present invention also provides a display panel obtained by tape cutting a display panel mother board according to any of the above.
  • the structure of the display panel is, for example, a single display panel unit 100 of the panel mother panel as shown in FIG. 3a.
  • the descriptions of the embodiments may be referred to the above related descriptions, and the repeated descriptions are not repeated.
  • At least one embodiment of the present invention also provides a display device comprising the display panel of any of the above.
  • At least one embodiment of the present invention further provides a method for fabricating a display panel, the method comprising: forming a metal wiring layer 3 on the array substrate 8 , wherein the metal wiring layer 3 corresponds to the sealant region A registration scale is provided in the portion, and a protective layer 5 is formed on the metal wiring layer 3; a black matrix layer 4 is formed on the opposite substrate (for example, the color filter substrate 9), and a portion of the black matrix layer 4 corresponding to the sealant region is formed. Set the alignment ruler in the middle.
  • the protective layer 5 forms a protrusion in the direction of the cartridge in a portion corresponding to the alignment scale in the metal wiring layer 3, and/or forms a spacer layer 7 on the black matrix layer 4, the spacer The portion of the object layer 7 corresponding to the alignment scale in the black matrix layer 4 forms a projection in the direction of the cartridge.
  • the step of forming the spacer layer 7 on the black matrix layer 4 includes: forming on the black matrix layer 4 Forming a flat layer, a spacer layer 7 is formed on the flat layer.
  • the manufacturing method may further include: dropping liquid crystal into the display area of the array substrate, applying a sealant on the sealant region of the opposite substrate, and opposing the opposite substrate and the array substrate; according to the metal lead layer
  • the alignment scale and the alignment scale in the black matrix layer are aligned and cut.
  • the display device in this embodiment may be any product or component having a display function, such as an electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator, and the like.
  • the term “plurality” means two or more, unless otherwise specifically defined.
  • a metal lead layer, a black matrix layer, a protective layer and a spacer layer can be formed in the sealant region of the display panel mother board, and respectively disposed in the metal lead layer and the black matrix layer of the sealant region a scale, and setting a sum of a thickness of the protective layer of the sealant region and the thickness of the spacer layer to be greater than a preset value (the preset value is a sum of thicknesses of the protective layer and the spacer layer when the protrusion is not formed) ), when the vacuum is applied to the box, the sealant is extruded, so that the sealant between the protective layer and the spacer layer in the sealant region is small, and the alignment ruler in the black matrix layer and the metal lead layer is shielded from light.
  • a preset value is a sum of thicknesses of the protective layer and the spacer layer when the protrusion is not formed

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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)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示面板母板、显示面板及其制作方法以及显示装置。所述显示面板母板包括设置有金属引线层（3）和保护层（5）的阵列基板（8）和设置有黑矩阵层（4）的对置基板（9）; 金属引线层（3）和黑矩阵层（4）在对应封框胶区域的部分中分别设置有对位标尺（20', 20); 保护层（5）在与金属引线层（3）中的对位标尺（20'）相对应的部分形成有凸起（51), 和/或对置基板（9）还包括隔垫物层（7），隔垫物层（7）在与黑矩阵层（4）中的对位标尺（20）相对应的部分形成有凸起（71）。减小了封框胶（2）对黑矩阵层（4）和金属引线层（3）中的对位标尺（20, 20'）的遮光度。

Description

显示面板母板、显示面板及其制作方法以及显示装置 技术领域
本发明的至少一个实施例涉及一种显示面板母板、一种显示装置和一种显示面板及其制作方法。
背景技术
薄膜晶体管液晶显示(Thin Film Transistor Liquid Crystal Display，简称TFT-LCD)在当前的显示领域中占据了主导地位，其产品因具有体积小、功耗低、无辐射、分辨率高等优点而已经被广泛应用于现代数字信息化设备中。随着平板显示技术的飞速发展，窄边框产品越来越受到广大消费者的青睐。
带胶切割技术是实现液晶面板窄边框设计、增大显示区域面积的有效技术手段，现已被各大面板厂商应用。带胶切割技术中两个相邻面板单元之间通过单一框胶对两面板单元的显示区进行分隔，相邻面板的切割线位于框胶中心线上。
发明内容
本发明实施例提供一种显示面板母板、显示面板及其制作方法以及显示装置，通过设置带胶切割中显示面板的封框胶区域的结构，使得其中的对位标尺易于识别以进行准确的对位校准，从而准确地切割显示面板母板，并且有助于对透过率低、混色等对位引起的产品不良进行分析。
本发明的至少一个实施例提出了一种显示面板母板，其包括阵列基板和对置基板，所述阵列基板包括金属引线层和保护层，所述对置基板包括黑矩阵层；所述金属引线层和所述黑矩阵层在对应封框胶区域的部分中分别设置有对位标尺；其中，所述保护层在与所述金属引线层中的对位标尺相对应的部分在厚度方向上形成有凸起，和/或所述对置基板还包括隔垫物层，所述隔垫物层在与所述黑矩阵层中的对位标尺相对应的部分在厚度方向上形成有凸起。
本发明的至少一个实施例还提出了一种显示面板，其是通过对上述显示 面板母板进行带胶切割得到的。
本发明的至少一个实施例还提出了一种显示装置，其包括上述显示面板。
本发明的至少一个实施例还提出了一种显示面板制作方法，该方法包括：在阵列基板上形成金属引线层，在所述金属引线层对应于封框胶区域的部分中设置对位标尺，并在所述金属引线层上形成保护层；在对置基板上形成黑矩阵层，在所述黑矩阵层对应于封框胶区域的部分中设置对位标尺；其中，所述保护层在与所述金属引线层中的对位标尺相对应的部分形成对盒方向上的凸起，和/或在所述黑矩阵层上形成隔垫物层，所述隔垫物层在与所述黑矩阵层中的对位标尺相对应的部分形成对盒方向上的凸起。
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示出了一种显示面板的结构示意图；
图2示出了沿A-A’切割图1中显示面板的截面示意图；
图3a示出了根据本发明一个实施例的显示面板母板的一个显示面板单元的结构示意图；
图3b示出了根据本发明一个实施例的显示面板母板封框胶区域的结构示意图；
图4示出了根据本发明另一个实施例的显示面板母板封框胶区域的结构示意图；
图5示出了根据本发明又一个实施例的显示面板母板封框胶区域的结构示意图；
图6示出了根据本发明又一个实施例的显示面板母板封框胶区域的结构示意图；
图7示出了根据本发明又一个实施例的显示面板母板封框胶区域的结构示意图；
图8示出了根据本发明又一个实施例的显示面板母板封框胶区域的结构示意图；
图9示出了根据本发明一个实施例的显示面板制作方法的示意流程图。
附图标号说明：
1-液晶；2-封框胶；3-金属引线层；4-黑矩阵层；5-保护层；51-保护层形成的凸起；6-平坦层；7-隔垫物层；71-隔垫物层形成的凸起；72-凹槽；8-阵列基板；9-彩膜基板；10-彩色滤光层；20，20’-对位标尺；21，21’-凹陷部。
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。
在研究中，本申请的发明人注意到，在带胶切割技术中，封框胶涂布在切割线上，如图1所示，切割后的一块显示面板显示区域两侧设置有封框胶区域。在显示区域中，彩膜基板和阵列基板之间填充液晶1；在封框胶区域中，彩膜基板和阵列基板之间填充封框胶2，其中黑矩阵层4和金属引线层3中分别设置有对位标尺20和20’。封框胶区域的截面如图2所示，可见在金属引线层3之上设置有保护层5，在保护层5之上设置有很厚的一层封框胶，即位于切割线附近的对位标尺被封框胶2覆盖。虽然保护层5是透光的，但是封框胶2的透光率很低，设备在切割显示面板母板时，难以识别到封框胶2之下的对位标尺，从而难以进行准确地切割。
本发明的至少一个实施例提出了一种显示面板母板，包括阵列基板8和对置基板(例如图3a-8所示的彩膜基板9)，阵列基板8包括金属引线层3和保护层5，对置基板包括黑矩阵层4；金属引线层3和黑矩阵层4在对应封框胶区域的部分中分别设置有对位标尺20’、20。在该显示面板母板中，保护层5在与金属引线层3中的对位标尺相对应的部分在厚度方向(垂直于阵列基板8的方向)上形成有凸起51，和/或对置基板还可以包括隔垫物层7，隔垫物层7在与黑矩阵层4中的对位标尺相对应的部分在厚度方向(垂直于阵列基板8的方向)上形成有凸起71。
需要说明的是，保护层5形成的凸起51从保护层5的表面凸向封框胶2； 隔垫物层7形成的凸起71从隔垫物层7的表面凸向封框胶2。
保护层5和隔垫物层7都可以与封框胶2直接相连。例如，当显示面板母板的封框胶区域中设置有隔垫物层7时，保护层5和隔垫物层7通过封框胶2相连。
对置基板与阵列基板相对设置，在二者之间可以设置液晶1。对置基板可以为彩膜基板。当然，对置基板也可以为除彩膜基板外的其他基板，例如透明基板。
黑矩阵层4中的对位标尺20可以利用形成黑矩阵层4的材料形成。如图3a和图3b所示，图3b为沿B-B’切割图3a中显示面板单元的截面示意图，黑矩阵层4中的对位标尺20位于显示面板母板的显示面板单元100的边缘，例如，可以通过利用形成黑矩阵层4的材料在显示面板单元100的边缘形成多个间隔设置的条状结构，这些条状结构构成对位标尺20，每个条状结构可以作为对位标尺20的一个刻度。同理，金属引线层3中的对位标尺20’可以利用形成金属引线层3的材料形成。
在图3b至图8中，对位标尺20所在的层为黑矩阵层4，对位标尺20’所在的层为金属引线层3。
根据本发明的一个实施例，显示面板母板封框胶区域的结构可以如图3b所示，其中金属引线层3和黑矩阵层4中可以设置有对位标尺20。对位标尺的材料根据其所在位置而异，例如设置在金属引线层3中的对位标尺的材料可以是金属或合金。
由于封框胶区域的保护层5和/或隔垫物层7在对位标尺厚度方向上形成有凸起(例如，凸起高度可以根据显示面板母板的厚度而定)，使得两者之间的间隙减小，由于对盒时封框胶被挤压，充入对位标尺厚度方向上保护层5和隔垫物层7之间(或对应于保护层或隔垫物层)的封框胶2减少，形成的封框胶层就越薄，对金属引线层3和黑矩阵层4中的对位标尺的遮光度也就越低。在根据阵列基板中的对位标尺和对置基板中的对位标尺对阵列基板和对置基板进行对盒校准时，也能够容易地识别出两个基板上的对位标尺，从而根据对位标尺的位置关系判断出两个基板的对盒精确度。
由于封框胶区域的保护层5和隔垫物层7中的至少一个形成凸起，所述封框胶在对应所述对位标尺的位置处形成有凹陷部。如图3b所示，封框胶2 与保护层5和隔垫物层7相邻时，凹陷部21和21’(如虚线部分所示)的形状分别与凸起51和凸起71的形状匹配。
另外，由于保护层5和隔垫物层7之间的封框胶2很薄，切割设备在封框胶区域进行带胶切割时就可以在显示面板母板的一侧，透过保护层5和隔垫物层7之间的封框胶2识别出显示面板母板另一侧板材中的对位标尺，从而根据对位标尺在封框胶区域执行准确的切割操作。
保护层5和隔垫物层7通过封框胶相连可以是直接相连也可以是间接相连(即两者之间还可以添加其他层结构)。
如图5所示，若阵列基板上保护层5的厚度较小，则可以增大彩膜基板上隔垫物层7的厚度，使得隔垫物层7的厚度大于预设值，也能够保证隔垫物层7和保护层5之间充入的封框胶2很少，形成的封框胶层很薄，保证了切割设备在切割显示面板母板时能够准确地透过封框胶2识别对位标尺。上述预设值为隔垫物层7未形成凸起71时其在封框胶区域中的部分的厚度，该预设值可以根据显示面板母板的厚度和对盒校准设备的穿透能力而定，母板越薄，对盒校准设备的穿透能力越强，则预设值可以较小，从而使得隔垫物层7和保护层5之间的封框胶较多，保证封框胶的粘合作用。
如图6所示，若显示面板母板的封框胶区域中没有设置隔垫物层7(或者隔垫物层7较薄)，则可以加大保护层5的厚度，使其厚度大于预设值(即保护层5未形成凸起51时其在封框胶区域中的部分的厚度)，从而使得保护层5和平坦层6之间的间隙很小，充入其中的封框胶2很少，形成的封框胶层很薄，使得封框胶2不会造成较大的折光率，保证了切割设备在切割显示面板母板时能够准确地透过封框胶2识别对位标尺。
如图7和图8所示，例如，黑矩阵层4在封框胶区域的对位标尺部分上设置有彩色滤光层10，彩色滤光层10构成隔垫物层7的一部分。彩色滤光层10可以在形成像素区域的彩色滤光层时一并形成，然后再设置通常的隔垫物层，从而使隔垫物层中包括有彩色滤光层。
例如，彩色滤光层10设置在与黑矩阵层4相对应的位置处。例如，沿平行于对置基板的方向上，彩色滤光层10与黑矩阵层4中的对位标尺20的宽度相同。这样设置可以避免不透明的彩色滤光层对对位标尺的识别造成影响。
例如，彩色滤光层10包括红色滤光层、绿色滤光层、蓝色滤光层中的一 层或多层。图7和图8以彩色滤光层10包括两层滤光层为例进行说明。
例如，彩膜基板还包括设置于黑矩阵层之上的平坦层6，以形成平层结构，便于设置隔垫物层。
一般而言，阵列基板还包括透明像素电极层和透明公共电极层等结构，由于这些结构与本发明实施例的改进之处无关，在此不再详述。
如图4所示，在至少一个实施例中，隔垫物层7形成的凸起71可以为一个凸起或多个凸起，并且所述多个凸起之间存在容纳封框胶的凹槽72。例如，隔垫物层7形成的凸起71可以为间断的多个凸起(可以是完全间断的，也可以是凸起底部相连，凸起顶部间隔设置)，且每段凸起与黑矩阵层相对应。例如，沿平行于阵列基板的方向，每段凸起的宽度大于黑矩阵层形成的对位标尺的宽度。隔垫物层中间断设置的凸起可以通过对隔垫物掩模板进行设置得到，相邻的凸起之间(即凹槽72)仍填充有封框胶，从而在保证能够进行准确校准和准确切割的同时，还保证了彩膜基板和阵列基板之间的粘合度。
本发明的至少一个实施例还提出了一种显示面板，该显示面板通过对上述任一项所述的显示面板母板进行带胶切割得到。
由于本发明实施例提供的显示面板是通过对上述任一项实施例提供的显示面板母板进行切割得到的，因而该显示面板的结构例如如图3a中显示面板母板的单个显示面板单元100所示，并且其实施方式可参考上述相关描述，重复之处不再赘述。
本发明的至少一个实施例还提出了一种显示装置，其包括上述任一项所述的显示面板。
如图9所示，本发明的至少一个实施例还提出了一种显示面板制作方法，该方法包括：在阵列基板8上形成金属引线层3，在金属引线层3对应于封框胶区域的部分中设置对位标尺，并在金属引线层3上形成保护层5；在对置基板(例如彩膜基板9)上形成黑矩阵层4，在黑矩阵层4对应于封框胶区域的部分中设置对位标尺。在该方法中，保护层5在与金属引线层3中的对位标尺相对应的部分形成对盒方向上的凸起，和/或在黑矩阵层4上形成隔垫物层7，隔垫物层7在与黑矩阵层4中的对位标尺相对应的部分形成对盒方向上的凸起。
例如，在黑矩阵层4上形成隔垫物层7的步骤包括：在黑矩阵层4上形 成平坦层，在平坦层上形成隔垫物层7。
例如，所述制作方法还可以包括：在阵列基板的显示区域滴入液晶，在对置基板的封框胶区域涂布封框胶，将对置基板和阵列基板对盒；根据金属引线层中的对位标尺和黑矩阵层中的对位标尺进行对位校准和切割。
需要说明的是，本实施例中的显示装置可以为：电子纸、手机、平板电脑、电视机、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
在附图中，为了图示的清晰可能夸大了层和区域的尺寸。而且可以理解，当元件或层被称为在另一元件或层“上”时，它可以直接在其他元件上，或者可以存在中间的层。另外，可以理解，当元件或层被称为在另一元件或层“下”时，它可以直接在其他元件下，或者可以存在一个以上的中间的层或元件。另外，还可以理解，当层或元件被称为在两层或两个元件“之间”时，它可以为两层或两个元件之间惟一的层，或还可以存在一个以上的中间层或元件。通篇相似的参考标记指示相似的元件。
在本发明实施例中，术语“多个”指两个或两个以上，除非另有明确的限定。
通过上述技术方案，能够在显示面板母板的封框胶区域形成金属引线层、黑矩阵层、保护层和隔垫物层，在封框胶区域的金属引线层和黑矩阵层中分别设置对位标尺，并将封框胶区域的保护层和隔垫物层的厚度之和设置为大于预设值(该预设值为保护层和隔垫物层未形成上述凸起时的厚度之和)，真空对盒时封框胶被挤压，从而使得封框胶区域中保护层和隔垫物层之间的封框胶很少，对黑矩阵层和金属引线层中的对位标尺遮光度较低，便于根据黑矩阵层和金属引线层中的对位标尺进行对位校准，并且不会在切割设备识别金属引线层和黑矩阵层中的对位标尺时，对其识别准确度造成影响，从而保证切割设备能够准确地切割显示面板母板得到显示面板。
以上所述仅是本发明的示范性实施方式，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。
本申请要求于2014年10月30日递交的中国专利申请第201410601910.5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 (13)

  1. 一种显示面板母板，包括阵列基板和对置基板，其中，所述阵列基板包括金属引线层和保护层，所述对置基板包括黑矩阵层；
    所述金属引线层和所述黑矩阵层在对应封框胶区域的部分中分别设置有对位标尺；
    其中，所述保护层在与所述金属引线层中的对位标尺相对应的部分在厚度方向上形成有凸起，
    和/或
    所述对置基板还包括隔垫物层，所述隔垫物层在与所述黑矩阵层中的对位标尺相对应的部分在厚度方向上形成有凸起。
  2. 根据权利要求1所述显示面板母板，其中，所述黑矩阵层在封框胶区域的对位标尺部分上设置有彩色滤光层，所述彩色滤光层构成所述隔垫物层的一部分。
  3. 根据权利要求2所述显示面板母板，其中，所述彩色滤光层包括红色滤光层、绿色滤光层、蓝色滤光层中的一层或多层。
  4. 根据权利要求1至3中任一项所述显示面板母板，其中，所述对置基板的黑矩阵层之上还包括平坦层。
  5. 根据权利要求1至4中任一项所述显示面板母板，其中，所述隔垫物层形成的凸起包括一个凸起或多个凸起，并且所述多个凸起之间存在容纳封框胶的凹槽。
  6. 根据权利要求1至4中任一项所述的显示面板母板，其中，所述保护层与封框胶直接相连。
  7. 根据权利要求1至4中任一项所述的显示面板母板，其中，所述隔垫物层与封框胶直接相连。
  8. 根据权利要求6或7所述显示面板母板，其中，
    所述封框胶在对应所述对位标尺的位置处形成有凹陷部。
  9. 一种显示面板，通过对权利要求1至8中任一项所述的显示面板母板进行带胶切割得到。
  10. 一种显示装置，包括权利要求9所述的显示面板。
  11. 一种显示面板制作方法，包括：
    在阵列基板上形成金属引线层，在所述金属引线层对应于封框胶区域的部分中设置对位标尺，并在所述金属引线层上形成保护层；
    在对置基板上形成黑矩阵层，在所述黑矩阵层对应于封框胶区域的部分中设置对位标尺；
    其中，所述保护层在与所述金属引线层中的对位标尺相对应的部分形成对盒方向上的凸起，
    和/或
    在所述黑矩阵层上形成隔垫物层，所述隔垫物层在与所述黑矩阵层中的对位标尺相对应的部分形成对盒方向上的凸起。
  12. 根据权利要求11所述显示面板制作方法，其中在所述黑矩阵层上形成平坦层，在所述平坦层上形成所述隔垫物层。
  13. 根据权利要求11或12所述显示面板制作方法，还包括：
    在所述阵列基板的显示区域滴入液晶，在所述对置基板的封框胶区域涂布封框胶，将所述对置基板和所述阵列基板对盒；以及
    根据所述金属引线层中的对位标尺和所述黑矩阵层中的对位标尺进行对位校准和切割。
PCT/CN2015/074895 2014-10-30 2015-03-23 显示面板母板、显示面板及其制作方法以及显示装置 WO2016065818A1 (zh)

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