WO2015024333A1 - Dispositif et procédé de revêtement d'étanchéité, et procédé de réalisation d'un alignement - Google Patents

Dispositif et procédé de revêtement d'étanchéité, et procédé de réalisation d'un alignement Download PDF

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Publication number
WO2015024333A1
WO2015024333A1 PCT/CN2013/089300 CN2013089300W WO2015024333A1 WO 2015024333 A1 WO2015024333 A1 WO 2015024333A1 CN 2013089300 W CN2013089300 W CN 2013089300W WO 2015024333 A1 WO2015024333 A1 WO 2015024333A1
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WO
WIPO (PCT)
Prior art keywords
ultraviolet
nozzle
sealant
frame
probe
Prior art date
Application number
PCT/CN2013/089300
Other languages
English (en)
Chinese (zh)
Inventor
肖昂
Original Assignee
北京京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 北京京东方光电科技有限公司 filed Critical 北京京东方光电科技有限公司
Publication of WO2015024333A1 publication Critical patent/WO2015024333A1/fr

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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
    • G02F1/1341—Filling or closing of cells
    • G02F1/13415—Drop filling process

Definitions

  • Embodiments of the present invention relate to the field of liquid crystal display technologies, and in particular, to a frame sealant coating device, a method, and a method for implementing the same. Background technique
  • the fabrication technology of TFT-LCD panels is also progressing.
  • the box-forming process is a very important step in the manufacturing process of the liquid crystal panel.
  • ODF liquid crystal dropping
  • the mainstream technology adopts the liquid crystal dropping (ODF) process.
  • the liquid crystal 2 is first dropped on the color film (CF) substrate 3, and in the array.
  • the sealant 4 is coated on the substrate 1, and then the color filter substrate 3 and the array substrate 1 are fed into a box-to-box apparatus for a box-to-box process.
  • the color filter substrate 3 Since the color filter substrate 3 is designed with a black matrix in the sealant-coated region, it is usually necessary to invert the substrate of the cartridge to ensure ultraviolet rays are irradiated from the array substrate 1 side before the photocuring process. In order to prevent the liquid crystal 2 from being irradiated with ultraviolet rays during the photocuring process, it is necessary to provide the baffle 5 between the ultraviolet light source and the array substrate 1. After the photocuring process is completed, the color film substrate 3 and the array substrate 1 adhered together are sent to a heating furnace to complete the curing process of the sealant 4, thereby completing the entire ODF process.
  • the baffle 5 is required to prevent the liquid crystal 2 from being irradiated with ultraviolet rays during ultraviolet curing, and the irradiation area is the entire array substrate, resulting in waste of energy.
  • the present invention provides a frame sealant coating device, a method, and a method for implementing the same. To reduce process time and improve product quality.
  • a sealant coating device comprising: a nozzle disposed on a connecting frame for coating a sealant and an ultraviolet probe for emitting ultraviolet rays; the ultraviolet probe pointing to a sealant outputted from the nozzle The location to be illuminated immediately.
  • the ultraviolet probe is directed to the position at which the nozzle outputs the sealant.
  • the nozzle and the ultraviolet probe are fixed on the connecting frame.
  • the ultraviolet probe is directed to a position at which the sealant that has been output and applied to the substrate is irradiated by the movement of the nozzle.
  • the ultraviolet probe is movably disposed on the connecting frame.
  • the ultraviolet light emitted by the ultraviolet probe forms a circular ultraviolet spot on the substrate to be coated with the sealant, and has a diameter of 8 to 10 mm; the center of the ultraviolet spot is 6 to 7 mm from the center of the nozzle.
  • the number of the ultraviolet probes is one or more; and/or,
  • the ultraviolet probe is disposed at a side of the connecting frame, and the nozzle is disposed below the connecting frame.
  • a method for coating a sealant comprising: emitting ultraviolet rays to the output sealant while the nozzle outputs the sealant.
  • a method of implementing a pair of boxes comprising:
  • the ultraviolet probe While the nozzle outputs the sealant to the color filter substrate, the ultraviolet probe emits ultraviolet light to the output sealant; and, the liquid crystal is dripped onto the array substrate;
  • the color film substrate and the array substrate are paired with the box, and the box is finished after the frame sealant is cured.
  • the method starts from O min, starts at the 7th minute, and ends at the 14th minute.
  • FIG. 1 is a schematic view of a prior art ODF process
  • FIG. 2 is a view showing a sealing frame coating device according to an embodiment of the present invention.
  • Figure 3 is a schematic diagram of the reaction rate of E-200-F after receiving ultraviolet irradiation
  • FIG. 4 is a schematic view showing a process of forming a box according to an embodiment of the present invention.
  • Figure 5 is a view showing a sealing frame coating device according to another embodiment of the present invention
  • Figure 6 is a schematic view showing the positional relationship between the nozzle of the sealant coating device of Figure 5 and the ultraviolet spot. Description of the reference signs:
  • a new UV curing process and a delayed curing frame sealant can be used to ensure that the sealant coating and UV irradiation are performed almost simultaneously.
  • the ODF process is completed by strictly controlling the time from the ultraviolet irradiation process to the completion of the process of the box and the time when the sealant is exposed to ultraviolet light to complete the photocuring reaction.
  • a nozzle 9 for applying a sealant e.g., a sealant to a color filter substrate 3
  • an ultraviolet probe 8 for emitting ultraviolet rays
  • the ultraviolet probe 8 is connected to the ultraviolet light source 6 through the optical cable 7, so that the ultraviolet light of the ultraviolet light source 6 can be emitted from the ultraviolet probe 8 through the optical cable 7.
  • the connecting frame 10 supports the nozzle 9 and the ultraviolet probe 8, and the nozzle 9 and the ultraviolet probe 8 can be relatively fixed.
  • the nozzle 9 can be fixed below the connecting frame 10, and the ultraviolet probe 8 can be fixed to the side of the connecting frame 10.
  • the ultraviolet probe 8 is directed to the position at which the nozzle 9 outputs the sealant to ensure that the sealant output from the nozzle 9 can be irradiated with the ultraviolet rays emitted from the ultraviolet probe 8.
  • the ultraviolet probe 8 can also be fixed at other positions of the connector frame 10 (e.g., below the connector frame 10) as long as the frame sealant output from the nozzle 9 can be irradiated with ultraviolet rays emitted from the ultraviolet probe 8.
  • it is preferable that the ultraviolet probe 8 is not directed to the nozzle 9 in order to prevent the nozzle 9 from being directly irradiated by the ultraviolet rays emitted from the ultraviolet probe 8.
  • the ultraviolet probe 8 While the nozzle 9 is coated with the sealant, the ultraviolet probe 8 is kept continuously emitting ultraviolet rays, so that the sealant coating can be completed in synchronization with the ultraviolet irradiation.
  • the sealant coating is applied in synchronization with the ultraviolet irradiation
  • the sealant will cure quickly after the ultraviolet irradiation and lose the adhesive property, resulting in failure. Bonding of the substrate is achieved in a subsequent wafer-to-box process, thus requiring the use of a delayed cure frame sealant.
  • Frame sealant E-200-F there are a variety of post-curing frame sealants, such as: Frame sealant E-200-F.
  • the sealant E-200-F can be quickly hardened 10 ⁇ 2 minutes after exposure to ultraviolet light.
  • Figure 3 shows the reaction rate of the sealant E-200-F after exposure to ultraviolet light.
  • the box forming process as shown in FIG. 4 can be completed.
  • the sealant coating and ultraviolet irradiation processes and liquid crystal instillation can be carried out simultaneously.
  • the starting point of the boxing process is recorded as Omin
  • the sealant coating and ultraviolet irradiation process, and the liquid crystal infusion time is about 4 min.
  • the time from the preparation of the box work to the start of the box is generally 3 minutes, that is, the box starts at 7 minutes.
  • the frame sealant that was first exposed to ultraviolet light began to solidify rapidly around 9 minutes, and the frame sealant that was finally exposed to ultraviolet light began to solidify rapidly around 13 minutes.
  • the process time of the box is about 7min
  • the time node for the end of the box is about 14min. At this time, the subsequent alignment detection and thermal curing processes can be performed.
  • UV probe 8 in addition to the ultraviolet probe 8 as shown in Fig. 2, it is also possible to provide more than one ultraviolet probe.
  • These UV probes can be divided into two types (the number of each UV probe can be one or more):
  • the first UV probe points to the position where the nozzle 9 outputs the sealant (see the above for a detailed description of the UV probe).
  • the second ultraviolet probe is directed to the position of the sealant that has been output and applied to the substrate by the nozzle 9 due to the movement of the nozzle 9. Since the first ultraviolet probe described above has been described, the second ultraviolet probe will be specifically described below with reference to FIG.
  • a nozzle 9 for applying a sealant for example, applying a sealant to the color filter substrate 3
  • ultraviolet probes 19, 11, 12, 13 for emitting ultraviolet rays are fixed to the frame 18.
  • the ultraviolet probes 19, 11, 12, 13 are connected to the ultraviolet light source 6 through the optical cables 7, 15, 16, 17 respectively, so that the ultraviolet light of the ultraviolet light source 6 can be passed through the optical cable 7, 15, 16, 17 by the ultraviolet probe 19, 11, 12, 13 issued.
  • the connecting frame 18 can also fix the nozzle 9 and the ultraviolet probes 19, 11, 12, 13 while supporting the nozzles 9, the ultraviolet probes 19, 11, 12, and 13.
  • the nozzle 9 can be fixed below the connecting frame 10, and the ultraviolet probes 19, 11, 12, 13 can be fixed to the side of the connecting frame 10.
  • the ultraviolet probes 19, 11, 12, 13 are directed to the position of the sealant that has been output and applied to the substrate (e.g., the color filter substrate 3) by the movement of the nozzle 9 to ensure the output of the nozzle 9 and
  • the sealant applied to the substrate can be irradiated with ultraviolet rays emitted from the ultraviolet probes 19, 11, 12, 13; of course, at least one of the ultraviolet probes 19, 11, 12, 13 can also be fixed to the connector 10
  • the other position e.g., under the connecting frame 10) can be irradiated with ultraviolet rays emitted from the ultraviolet probes 19, 11, 12, 13 as long as the sealant output from the nozzle 9 can be irradiated.
  • the ultraviolet probes 19, 11, 12, and 13 are not directed to the nozzles 9 to prevent the nozzles 9 from being directly irradiated by the ultraviolet rays emitted from the ultraviolet probes 19, 11, 12, and 13.
  • the ultraviolet probe may be disposed at a position opposite to the direction in which the nozzle 9 moves, for example, the ultraviolet probes 19, 11, 12, 13 may be respectively disposed at the front, the rear, the left, and the right of the nozzle 9.
  • the ultraviolet probe located at the opposite direction of the movement of the nozzle 9 emits ultraviolet rays, and the nozzle 9
  • the sealant that is output and coated on the substrate can be exposed to the ultraviolet rays emitted by the ultraviolet probe.
  • the ultraviolet probes 19, 11, 12, and 13 emit ultraviolet rays regardless of which direction the nozzles 9 are moved.
  • the center of the intersecting cross formed by the ultraviolet probes 19, 11, 12, 13 may coincide with the center of the nozzle 9.
  • the ultraviolet rays emitted from the ultraviolet probes 19, 11, 12, 13 form a circular ultraviolet spot 14 on the substrate to be coated with the sealant, having a diameter of 8 to 10 mm; the center of the ultraviolet spot 14 is spaced from the center of the nozzle 9 by 6 to 7 mm.
  • the diameter of the nozzle 9 can generally be about 0.3 mm.
  • the number of ultraviolet probes disposed at a position opposite to the direction in which the nozzle 9 moves may be more or less than four as shown in Fig. 5. Further, these ultraviolet probes and the aforementioned delayed-curing frame sealant can be applied to realize the card forming process as shown in Fig. 4. The contents of the delayed-curing frame sealant and the box-forming process have been described in the foregoing corresponding contents, and are not described herein again.
  • the ultraviolet probe 8 in FIG. 2 may not be directed to the position where the nozzle 9 outputs the sealant, but may be directed to the nozzle 9 to be output and coated by the movement of the nozzle 9.
  • the connector 10 supporting the ultraviolet probe 8 needs to be able to control the movement of the ultraviolet probe 8, so that the ultraviolet probe 8 can be directed to the nozzle 9 due to the movement of the nozzle 9.
  • the position of the sealant that is output and applied to the substrate can also be disposed in the sealant coating device shown in FIG.
  • the ultraviolet probes are controlled by the connector 10 so that the ultraviolet probes do not affect each other (eg, collide with each other, Or an ultraviolet probe blocks the ultraviolet rays emitted by another ultraviolet probe, etc., and ensures that all the ultraviolet probes achieve ultraviolet irradiation of all the sealant of the nozzle 9 output.
  • the invention can be applied to LCD products of different sizes, and the LCD product of 10 inches or more is the best, because the liquid crystal and the frame seal glue can be contacted when the product of 10 inches or more is about lOmin after the completion of the box.
  • the frame sealant coating apparatus and method of the present invention do not need to block the shutter for liquid crystal compared with the conventional process;
  • the entire substrate is fully irradiated to save cost; there is no need to separately perform the ultraviolet curing process after the completion of the process of the box, which saves the process time; and solves the frame-gel reaction caused by the blocking effect of the opaque metal on the array substrate in the conventional process.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

La présente invention concerne un dispositif de revêtement d'étanchéité, comprenant : une buse (9) qui est agencée sur un cadre de liaison (10) et sert à appliquer un revêtement d'étanchéité; et une sonde à ultraviolets (19) qui sert à émettre des rayons ultraviolets, ladite sonde à ultraviolets (19) pointant sur l'emplacement où l'agent d'étanchéité sortant de la buse (9) peut être immédiatement irradié. Sont également décrits un procédé de revêtement d'étanchéité et un procédé de réalisation d'un alignement. Lorsqu'on applique le dispositif et le procédé de revêtement d'étanchéité ainsi que le procédé de réalisation d'un alignement, il n'est pas nécessaire de prévoir un déflecteur pour protéger les cristaux liquides, et il n'est pas nécessaire d'irradier la totalité d'un substrat, ce qui permet d'économiser sur les coûts; une fois le processus d'alignement terminé, il est inutile de procéder à une polymérisation spéciale aux ultraviolet, ce qui permet d'économiser du temps de procédé; et une fois l'alignement terminé, il est inutile de retourner le substrat, ce qui permet d'améliorer la précision d'opposition.
PCT/CN2013/089300 2013-08-21 2013-12-12 Dispositif et procédé de revêtement d'étanchéité, et procédé de réalisation d'un alignement WO2015024333A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310367257.6 2013-08-21
CN201310367257.6A CN104423101A (zh) 2013-08-21 2013-08-21 一种封框胶涂布装置、方法以及实现对盒的方法

Publications (1)

Publication Number Publication Date
WO2015024333A1 true WO2015024333A1 (fr) 2015-02-26

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WO (1) WO2015024333A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105045006B (zh) * 2015-08-17 2017-10-24 武汉华星光电技术有限公司 一种液晶显示面板
CN105629590A (zh) * 2016-01-04 2016-06-01 京东方科技集团股份有限公司 一种封框胶涂覆装置及涂覆方法
CN106842653B (zh) * 2017-04-14 2018-12-28 武汉华星光电技术有限公司 一种紫外线固化装置
CN110221484A (zh) * 2019-05-17 2019-09-10 深圳市华星光电半导体显示技术有限公司 显示面板的制备方法及涂布装置

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JPH0721254Y2 (ja) * 1992-09-18 1995-05-17 徹也 北城 紫外線硬化型樹脂材料の塗付兼硬化装置
JPH11128800A (ja) * 1997-10-27 1999-05-18 Fujitsu Ten Ltd 接着剤塗布装置
KR20040004782A (ko) * 2002-07-05 2004-01-16 엘지.필립스 엘시디 주식회사 유브이 경화장치를 포함하는 홀로그래픽 확산층 복제장비
CN1475345A (zh) * 2002-08-02 2004-02-18 ������������ʽ���� 液滴喷出装置、电光装置的制造方法、电光装置和电子仪器
CN101098760A (zh) * 2005-01-12 2008-01-02 芝浦机械电子株式会社 光固化性树脂的涂布装置及涂布方法
TW200916200A (en) * 2007-01-19 2009-04-16 Tokyo Electron Ltd Coating treatment apparatus, substrate treatment system, coating treatment method, and computer storage medium

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JP2004170526A (ja) * 2002-11-18 2004-06-17 Tokyo Electron Ltd 液晶表示素子の製造方法及び液晶表示素子の製造装置
JP4924772B1 (ja) * 2010-12-13 2012-04-25 Ｄｉｃ株式会社 カチオン硬化型液晶シール剤、及び液晶表示素子
JP5798750B2 (ja) * 2011-01-24 2015-10-21 芝浦メカトロニクス株式会社 接着剤供給装置及び接着剤供給方法
CN202083862U (zh) * 2011-06-15 2011-12-21 北京京东方光电科技有限公司 一种封框胶涂布装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0721254Y2 (ja) * 1992-09-18 1995-05-17 徹也 北城 紫外線硬化型樹脂材料の塗付兼硬化装置
JPH11128800A (ja) * 1997-10-27 1999-05-18 Fujitsu Ten Ltd 接着剤塗布装置
KR20040004782A (ko) * 2002-07-05 2004-01-16 엘지.필립스 엘시디 주식회사 유브이 경화장치를 포함하는 홀로그래픽 확산층 복제장비
CN1475345A (zh) * 2002-08-02 2004-02-18 ������������ʽ���� 液滴喷出装置、电光装置的制造方法、电光装置和电子仪器
CN101098760A (zh) * 2005-01-12 2008-01-02 芝浦机械电子株式会社 光固化性树脂的涂布装置及涂布方法
TW200916200A (en) * 2007-01-19 2009-04-16 Tokyo Electron Ltd Coating treatment apparatus, substrate treatment system, coating treatment method, and computer storage medium

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