WO2017145926A1 - Procédé de fabrication d'écran d'affichage - Google Patents

Procédé de fabrication d'écran d'affichage Download PDF

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Publication number
WO2017145926A1
WO2017145926A1 PCT/JP2017/005839 JP2017005839W WO2017145926A1 WO 2017145926 A1 WO2017145926 A1 WO 2017145926A1 JP 2017005839 W JP2017005839 W JP 2017005839W WO 2017145926 A1 WO2017145926 A1 WO 2017145926A1
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WO
WIPO (PCT)
Prior art keywords
display panel
substrate
manufacturing
counter
cutting
Prior art date
Application number
PCT/JP2017/005839
Other languages
English (en)
Japanese (ja)
Inventor
幸治 植田
幸二朗 西
Original Assignee
住友化学株式会社
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 住友化学株式会社 filed Critical 住友化学株式会社
Priority to CN201780012547.5A priority Critical patent/CN108702826B/zh
Priority to KR1020187026881A priority patent/KR102597984B1/ko
Publication of WO2017145926A1 publication Critical patent/WO2017145926A1/fr

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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
    • G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/191—Deposition of organic active material characterised by provisions for the orientation or alignment of the layer to be deposited

Definitions

  • the present invention relates to a method for manufacturing a display panel.
  • a liquid crystal layer is disposed between an element substrate and a counter substrate disposed to face each other, and an optical film such as a polarizing film (polarizing plate) is provided on the outer surface of the element substrate and the counter substrate. It has a bonded structure.
  • the display panel edge (frame portion) may be chipped or cracked. It was.
  • such a display panel with a chipped or cracked end portion may not be able to be commercialized from the viewpoint of demand for high dimensional accuracy due to a narrow frame and a reduction in strength of the end portion.
  • the alignment when the polarizing film is bonded may be performed with reference to the four corners (corner portions) of the panel, and the alignment of the polarizing film is relatively easy.
  • the alignment at the time of bonding a polarizing film becomes more difficult than in the case of a rectangular display panel.
  • a circular display panel since the inclination of the polarization axis of the polarizing film with respect to the display panel is not known, it is very difficult to align the polarizing film.
  • the present invention has been proposed in view of such conventional circumstances, and can suppress the occurrence of cracks and cracks at the edge of the display panel during manufacturing. Further, the present invention provides an optical film for a deformed display panel. It aims at providing the manufacturing method of the display panel which can manufacture a deformed display panel with a sufficient yield, raising the bonding precision.
  • a method for manufacturing a display panel wherein a counter mother board and an element mother board forming the display panel are arranged to face each other. And a step of preparing a panel manufacturing substrate in which a plurality of cells serving as the display panel are formed in a plane, and an optical film bonded to the outer surface of the counter mother substrate as a counter substrate of the display panel Cutting along the contours of the respective parts, and then removing the blank part of the optical film from the surface of the counter mother substrate while leaving the inside of each of the cut parts; and Cutting the counter substrate by cutting the counter mother substrate along the contour of each portion serving as the counter substrate; and the element mother substrate along the contour of each portion serving as the device substrate of the display panel. Turn off By manufacturing method of a display panel, which comprises a step of cutting the element substrate is provided.
  • disconnected There may be included a step of removing the blank portion of the optical film by peeling from the surface of the counter mother substrate while leaving the inside of the portion.
  • the counter substrate and the element substrate may be cut out in different shapes.
  • the contour when cutting the optical film may be made smaller than the contour when cutting the counter substrate or the element substrate.
  • the said display panel You may cut
  • the second alignment marks corresponding to a plurality of cells located around the cell to be cut may be referred to from among the cells.
  • cutting when the optical film is cut along the contour, cutting may be started at a position avoiding at least the wiring portion formed on the element substrate.
  • the cutting when the optical film is cut along the contour, the cutting may be started at least from the corner of the contour using a laser beam.
  • the blank portion may be peeled off along the diagonal direction of the optical film.
  • the planar shape of the display panel may be an irregular shape other than a rectangle.
  • the optical film may be a polarizing film.
  • the display panel may be a liquid crystal display panel.
  • the aspect of the present invention it is possible to suppress the occurrence of cracks and cracks at the edge of the display panel during production, and while further increasing the bonding accuracy of the optical film to the deformed display panel, It is possible to provide a manufacturing method of a display panel that can manufacture a deformed display panel with a high yield.
  • FIG. 1 An example of the liquid crystal display panel manufactured by applying this invention is shown, (a) is the top view, (b) is the sectional drawing. It is a figure for demonstrating the manufacturing process of the liquid crystal display panel shown in FIG. 1 in order, (a) is the top view, (b) is the sectional drawing. It is a figure for demonstrating the manufacturing process of the liquid crystal display panel shown in FIG. 1 in order, (a) is the top view, (b) is the sectional drawing. It is a figure for demonstrating the manufacturing process of the liquid crystal display panel shown in FIG. 1 in order, (a) is the top view, (b) is the sectional drawing. It is a figure for demonstrating the manufacturing process of the liquid crystal display panel shown in FIG.
  • FIG. 1A is a plan view showing the configuration of the liquid crystal display panel 1.
  • FIG. 1B is a cross-sectional view showing the configuration of the liquid crystal display panel 1.
  • the liquid crystal display panel 1 is disposed between the counter substrate 2 and the element substrate 3 that are disposed to face each other, and between the counter substrate 2 and the element substrate 3. And a liquid crystal layer 4.
  • the liquid crystal display panel 1 is a deformed display panel having a circular display surface S.
  • the “irregular display panel” referred to in the present invention means that the planar shape (display surface) is other than the rectangular shape (display surface) as compared with the conventional one having a rectangular shape (display surface) (rectangular display panel). Say things.
  • a deformed display panel for example, in addition to the above-described circular shape in accordance with the shape of the display surface when used for a smart watch or a vehicle-mounted meter, for example, an elliptical shape, a polygonal shape (for example, a triangle, a pentagon, Hexagons, octagons, etc.), free shape such as a shape in which at least one of the four corners of the rectangle is rounded or cut, or a shape in which a part of the rectangle is notched It is possible.
  • an elliptical shape for example, a triangle, a pentagon, Hexagons, octagons, etc.
  • free shape such as a shape in which at least one of the four corners of the rectangle is rounded or cut, or a shape in which a part of the rectangle is notched It is possible.
  • the counter substrate 2 is formed in a circular shape corresponding to the display surface S.
  • a counter electrode (not shown) is provided on the inner surface of the counter substrate 2.
  • a circular polarizing film 5 a is bonded to the outer surface of the counter substrate 2.
  • the polarizing film 5a may have the same diameter (outer shape) as the counter substrate 2, but preferably has a slightly smaller diameter (small outer shape) than the counter substrate 2 as in the present embodiment.
  • the element substrate 3 includes an element formation portion 3a formed in a circular shape corresponding to the display surface S, and a wiring formation portion 3b formed continuously from the element formation portion 3a with a width corresponding to the element formation portion 3a. have.
  • a plurality of pixel electrodes arranged in a matrix and a driving element (not shown) such as a TFT connected to each pixel electrode are provided on the inner surface of the element forming portion 3a.
  • the wiring forming portion 3b is provided with a plurality of wiring portions 6 connected to each driving element.
  • a circular polarizing film 5b is bonded to the outer surface of the element substrate 3 (element forming portion 3a).
  • the polarizing film 5b may have the same diameter (outer shape) as the element forming portion 3a, but preferably has a slightly smaller diameter (smaller outer shape) than the element forming portion 3a as in the present embodiment.
  • the liquid crystal layer 4 is formed by sealing the periphery between the counter substrate 2 and the element forming portion 3a (element substrate 3) in a circular shape with a sealing material 7, and injecting liquid crystal inside thereof.
  • the wiring part 6 is extended to the outside of a region (corresponding to the display surface S) surrounded by the sealing material 7.
  • FIGS. 2 to 9 are diagrams for sequentially explaining the manufacturing process of the liquid crystal display panel 1.
  • FIG. 2A is a plan view showing each process
  • FIG. FIG. 6 is a cross-sectional view showing each step.
  • FIG. 10 is a plan view showing an example of the arrangement of the first alignment mark AM1 and the second alignment mark AM2 on the panel manufacturing substrate 10 to be described later.
  • FIGS. 2A and 2B When the liquid crystal display panel 1 is manufactured, first, as shown in FIGS. 2A and 2B, a plurality of portions (hereinafter referred to as cells) 1A to be the liquid crystal display panel 1 are arranged in the plane.
  • a rectangular (rectangular) panel manufacturing substrate 10 is prepared.
  • the panel manufacturing substrate 10 is provided with a rectangular (rectangular) opposing mother substrate 2A and an element mother substrate 3A which are arranged to face each other.
  • a plurality of portions to be the counter substrate 2 are formed side by side on the counter mother substrate 2A.
  • a plurality of portions to be the element substrate 3 are formed side by side on the element mother substrate 3A.
  • each cell 1A is sealed in a circular shape with a sealing material 7, and a plurality of liquid crystal layers are injected by injecting liquid crystal therein. 4 is formed.
  • a rectangular polarizing film 5A is bonded to the outer surface of the counter mother board 2A in the panel manufacturing board 10, and the element mother board 3A.
  • a rectangular polarizing film 5B is bonded to the outer surface of the film.
  • the opposing mother substrate 2A is provided with a first alignment mark AM1 indicating a position where the polarizing film 5A is bonded.
  • the first alignment mark AM1 only needs to be provided in at least two places (three places in the present embodiment) of the four corners of the counter mother board 2A. Specifically, it is preferable to provide the first alignment mark AM1 at at least two corners along the same edge among the four corners of the counter mother board 2A.
  • the polarizing film 5A When the polarizing film 5A is bonded to the opposing mother substrate 2A, the polarizing film 5A is aligned with the opposing mother substrate 2A while referring to the first alignment mark AM1. Accordingly, the polarizing film 5A can be accurately and easily bonded to the opposing mother substrate 2A in a state where the four corners of the opposing mother substrate 2A and the four corners of the polarizing film 5A are aligned with each other.
  • the element mother board 3A is provided with a first alignment mark AM1 indicating the position where the polarizing film 5B is bonded, as in the counter mother board 2A.
  • the polarizing film 5B is aligned with the element mother board 3A while referring to the first alignment mark AM1. Accordingly, the polarizing film 5B can be accurately and easily bonded to the element mother board 3A in a state where the four corners of the element mother board 3A and the four corners of the polarizing film 5B are made to coincide with each other.
  • the polarizing film 5A bonded to the outer surface of the counter mother board 2A is cut into a circular shape along the contours of the respective parts to be the counter substrate 2. To do.
  • the polarizing film 5A When the polarizing film 5A is cut, the polarizing film 5A is cut along the outline of each polarizing film 5a while scanning the laser light using a laser beam (for example, carbon dioxide laser, wavelength 9.4 ⁇ m) L. To do. At this time, it is preferable that the cutting line by a laser beam is located slightly inside the outline of the part used as the counter substrate 2. Thereby, when cut
  • a laser beam for example, carbon dioxide laser, wavelength 9.4 ⁇ m
  • the cutting is started from a position that does not overlap with the wiring portion 6 formed on the portion (specifically, the wiring forming portion 3b) of the cell 1A. It is preferable. Since the cutting start position overlaps with the cutting end position, starting the cutting with the laser beam from the position avoiding the wiring unit 6 can prevent the wiring unit 6 from being damaged by the laser beam.
  • each polarizing film 5a can be cut out neatly along an outline.
  • the contour of each polarizing film 5a is circular as in the present embodiment, there is no corner portion in the contour, so it is not necessary to define the cutting start position.
  • the counter mother board 2A is provided with second alignment marks AM2 indicating the positions of the respective cells 1A.
  • second alignment marks AM2 may be provided around each cell 1A (two in this embodiment). Specifically, it is preferable that at least two are provided at regular intervals in the vicinity of each cell 1A.
  • alignment with respect to the portion of each cell 1A to be the counter substrate 2 is performed with reference to the first alignment mark AM1 and the second alignment mark AM2. Specifically, after the position of the first alignment mark AM1 is specified, the position of the cell 1A to be cut from the plurality of cells 1A is specified by the second alignment mark AM2. Thereby, alignment of the laser beam with respect to the cell 1A to be cut can be accurately performed.
  • the second alignment mark AM2 corresponding to the plurality of cells 1A located around the cell 1A to be cut may be referred to.
  • the laser light for the cell 1A to be cut is specified by specifying the positions of the plurality of cells 1A located around the cell 1A. Can be aligned with higher accuracy.
  • the inner side (polarizing film 5a) of each cut portion of the polarizing film 5A is left, and the blank portion of the polarizing film 5A is formed on the opposing mother substrate 2A. Remove from the surface. About the blank part of 5 A of polarizing films, it is preferable to peel along the diagonal direction of 5 A of polarizing films. Thereby, the blank part of the polarizing film 5A can be peeled off cleanly from the surface of the opposing mother substrate 2A.
  • the polarizing film 5B bonded to the outer surface of the element mother board 3A is used as the element substrate 3 (specifically, the element forming portion 3a). Cut into a circle along the contour of the part.
  • the laser light for example, carbon dioxide laser, wavelength 9.4 ⁇ m
  • L is used to scan the polarizing film 5B along the outline of each polarizing film 5b while scanning the laser light.
  • the cutting line by a laser beam is located slightly inside the outline of the part used as the element formation part 3a.
  • the polarizing film 5B is cut by laser light
  • cutting is started from a position that does not overlap with the wiring part 6 formed in the part (specifically, the wiring forming part 3b) that becomes the element substrate 3 of each cell 1A. It is preferable. Since the cutting start position overlaps with the cutting end position, starting the cutting with the laser beam from the position avoiding the wiring unit 6 can prevent the wiring unit 6 from being damaged by the laser beam.
  • each polarizing film 5b can be cut out beautifully along an outline.
  • the contour of each polarizing film 5b is circular as in the present embodiment, there is no corner portion in the contour, so that it is not necessary to particularly define the cutting start position.
  • disconnecting the polarizing film 5B is the same as that at the time of cut
  • the blank portion of the polarizing film 5B is formed on the element mother substrate 3A while leaving the inner side (polarizing film 5b) of each cut portion of the polarizing film 5B. Remove from the surface. About the blank part of polarizing film 5B, it is preferable to peel along the diagonal direction of polarizing film 5B. Thereby, the blank part of the polarizing film 5B can be peeled off cleanly from the surface of the element mother board 3A.
  • the opposing mother substrate 2A is cut into a circular shape along the contours of the respective portions to be the opposing substrate 2.
  • a scribe cutting process using a blade can be employed.
  • the scribing cutting process is not particularly limited, and a method capable of cutting the opposing mother substrate 2A along the outline of the portion to be the opposing substrate 2 may be employed.
  • each cell 1A with respect to the portion to be the counter substrate 2 when the counter mother substrate 2A is cut is the same as that when the polarizing film 5A is cut. That is, in the present embodiment, alignment with respect to the portion of each cell 1A that becomes the counter substrate 2 is performed with reference to the first alignment mark AM1 and the second alignment mark AM2. Thereby, the counter substrate 2 of each cell 1A can be accurately cut out from the counter mother substrate 2A.
  • the element mother board 3 ⁇ / b> A is cut into a circular shape along the outline of each part to be the element substrate 3.
  • scribe cutting using a blade can be employed.
  • the scribing cutting process is not particularly limited, and a method capable of cutting the element mother board 3A along the outline of the portion to be each element substrate 3 may be adopted.
  • each cell 1A with respect to the portion to be the element substrate 3 when the element mother substrate 3A is cut is the same as that when the polarizing film 5A is cut. That is, in the present embodiment, alignment with respect to a portion of each cell 1A to be the element substrate 3 is performed with reference to the first alignment mark AM1 and the second alignment mark AM2. Thereby, it is possible to cut out the element substrate 3 of each cell 1A with high accuracy from the element mother substrate 3A.
  • each cell 1A can be cut out from the panel manufacturing substrate 10, and a plurality of the liquid crystal display panels 1 can be manufactured in a lump.
  • the polarizing substrate 5A and the element mother board 2A and the element mother board 3A are bonded to each other by bonding the rectangular polarizing films 5A and 5B.
  • the polarizing films 5A and 5B can be accurately and easily bonded to the substrate 3A. Then, since each cell 1A is cut out from the panel manufacturing substrate 10, it is possible to keep the inclination of the polarization axes of the polarizing films 5a and 5b with respect to the liquid crystal display panel 1 with high accuracy.
  • the counter substrate 2 and the element substrate 3 having different shapes are cut out from the counter mother substrate 2A and the element mother substrate 3A, respectively, so that the odd-shaped display panel such as the liquid crystal display panel 1 is formed. Can be manufactured efficiently.
  • a polarizing film is formed on the counter substrate 2 and the element substrate 3 by performing alignment with respect to the portion to be each cell 1A while referring to the first alignment mark AM1 and the second alignment mark AM2. It is possible to improve the positional accuracy when bonding 5a and 5b and the positional accuracy when cutting out the counter substrate 2 and the element substrate 3 from the counter mother substrate 2A and the element mother substrate 3A.
  • the liquid crystal display panel 1 is an irregular display panel, the liquid crystal display panel 1 is improved in bonding accuracy of the polarizing films 5a and 5b while increasing the bonding accuracy of the liquid crystal display panel 1.
  • the display panel 1 can be manufactured with a high yield.
  • the polarizing films 5a and 5b and the mother substrates 2A and 3A are cut in the order of the opposing mother substrate 2A side and the element mother substrate 3A side.
  • the polarizing films 5b and 5a and the mother substrates 3A and 2A are cut in the reverse order, that is, in the order of the element mother substrate 3A side and the counter mother substrate 2A side. Also good.
  • disconnected is illustrated.
  • the polarizing films 5a and 5b bonded to the outer surface of the opposing mother substrate 2A or the element mother substrate 3A before the panel manufacturing substrate 10 is manufactured are cut using the same method as in the above embodiment. May be.
  • the opposing mother substrate 2A and the element mother substrate 3A are joined via the sealing material 7, and liquid crystal is injected to produce the panel manufacturing substrate 10. . Thereafter, the opposing mother substrate 2A and the element mother substrate 3A may be cut using the same method as in the above embodiment.
  • the polarizing films 5a and 5b are illustrated as an optical film, what is necessary is just to include the polarizing films 5a and 5b as an optical film, for example, an optical compensation film and brightness
  • first alignment mark AM1 and the second alignment mark AM2 may be shared. That is, a function as the second alignment mark AM2 indicating the position of the cell 1A is added to a part of the first alignment mark AM1, or the polarizing films 5a and 5b (optical films) are added to a part of the second alignment mark.
  • the function as 1st alignment mark AM1 which shows the pasting position of can be added.
  • the liquid crystal display panel 1 is not limited to the transmission type but may be a reflection type.
  • the polarizing film 5a optical film
  • the steps shown in FIGS. 6 and 7 described above are unnecessary.
  • another cutting method can be used for cutting the counter mother board 2A and the element mother board 3A.
  • cutting methods such as laser beam cutting and water jet cutting can be used.
  • the present invention is not limited to the case of manufacturing the liquid crystal display panel 1 described above, but can be widely applied to the case of manufacturing a display panel such as an organic EL panel.
  • the present invention is not limited to the case of manufacturing the above-described deformed display panel, but also applies to the case of manufacturing a rectangular display panel having a rectangular (rectangular) planar shape as in the past. Is possible.
  • SYMBOLS 1 Liquid crystal display panel (an irregular display panel) 1A ... Cell 2 ... Opposite substrate 2A ... Opposite mother substrate 3 ... Element substrate 3A ... Element mother substrate 3a ... Element formation part 3b ... Wiring formation part 4 ... Liquid crystal layer 5a, 5b ... Polarizing film (optical film) 6 ... wiring part 7 ... sealing material 10 ... panel manufacturing substrate S ... display surface AM1 ... first alignment mark AM2 ... second alignment mark L ... laser light

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Polarising Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un écran d'affichage permettant de supprimer l'écaillage et le craquelage au niveau d'un bord de l'écran d'affichage lors de la fabrication. Le procédé de fabrication comprend : une étape de découpe, le long du contour de parties destinées à former un contre-substrat 2 d'un écran d'affichage 1, d'un film optique fixé sur une surface extérieure d'une contre-carte mère, puis, de retrait et de suppression d'une partie de marge du film optique de la surface de la contre-carte mère tout en laissant un côté intérieur 5a de chacune des parties découpées ; une étape de découpe de la contre carte mère suivant le contour des parties qui doivent former le contre-substrat 2 de l'écran d'affichage 1 ; une étape de découpe, le long du contour de parties destinées à former un substrat d'élément 3 de l'écran d'affichage 1, d'un film optique fixé sur une surface extérieure d'une carte mère d'élément, puis, de retrait et de suppression d'une partie de marge du film optique de la contre-carte mère tout en laissant un côté intérieur 5b de chacune des parties découpées ; et une étape de découpe de la carte mère d'élément le long du contour des parties devant constituer la carte d'élément 3 de l'écran d'affichage 1.
PCT/JP2017/005839 2016-02-23 2017-02-17 Procédé de fabrication d'écran d'affichage WO2017145926A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780012547.5A CN108702826B (zh) 2016-02-23 2017-02-17 显示面板的制造方法
KR1020187026881A KR102597984B1 (ko) 2016-02-23 2017-02-17 표시 패널의 제조 방법

Applications Claiming Priority (4)

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JP2016031927 2016-02-23
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