CN103802312A - 填充装置 - Google Patents

填充装置 Download PDF

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CN103802312A
CN103802312A CN201410049677.4A CN201410049677A CN103802312A CN 103802312 A CN103802312 A CN 103802312A CN 201410049677 A CN201410049677 A CN 201410049677A CN 103802312 A CN103802312 A CN 103802312A
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mentioned
nozzle
spues
liquid crystal
panel
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CN103802312B (zh
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新家由久
远藤靖实
须山行雄
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Dexerials Corp
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Dexerials Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4845—Radiation curing adhesives, e.g. UV light curing adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/524—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by applying the adhesive from an outlet device in contact with, or almost in contact with, the surface of the part to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/324—Avoiding burr formation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
    • B29C66/7336—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light
    • B29C66/73365—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light
    • B29C66/73366—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light both parts to be joined being transparent or translucent to visible light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/746—Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
    • B29C66/7465—Glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
    • B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps
    • 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
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    • G—PHYSICS
    • G02—OPTICS
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    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
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    • G02—OPTICS
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    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Coating Apparatus (AREA)
  • Basic Packing Technique (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)

Abstract

提供一种在大型的板状体的贴合工序中也能够应用、在也防止气泡的混入的同时进行的填充装置。具备将板状体（2、3）使板状体（2、3）的主面对置而保持的多个保持台（4、5）、使多个保持台（4、5）接近离开的移动部件（6）、插通在板状体（2、3）之间、将填充液（7）向板状体（2、3）间吐出的吐出喷嘴（10）、使吐出喷嘴（10）遍及板状体（2、3）的面内方向移动的喷嘴移动机构（11）、储存填充液（7）的储存部（15）、和使储存在储存部（15）中的填充液（7）从吐出喷嘴（10）吐出的推压机构（13）；将从吐出喷嘴（10）吐出的填充液（7）一边接触在被相对置而支承的板状体（2、3）上一边填充。

Description

填充装置
本申请是发明名称为“填充装置”、进入中国国家阶段日期为2012年5月4日并且国家申请号为201080050072.7的发明专利申请的分案申请。
技术领域
本发明涉及向板状体间填充液体的填充装置，例如涉及用于向图像显示面板与透明板等大型的板状体间填充树脂液的填充装置。
本申请以在日本于2009年9月4日提出申请的日本专利申请号特愿2009－205172为基础主张优先权，通过参照该申请，在本申请中引用。
背景技术
以往，作为贴合板状体的工艺方法，有将盘基板贴合的装置（参照专利文献1）。这种贴合装置具备载置冲压器的台、在台上升降并且保持贴合基板的基板保持台、和向冲压器上涂敷粘接剂的喷嘴。
并且，贴合装置如果在台上载置冲压器、基板保持台将基板通过真空吸附而与冲压器对置保持，则使台及基板保持台旋转，并且从喷嘴向冲压器上涂敷粘接剂。粘接剂在下落到冲压器上之后，隆起而也接触在基板上，随着旋转而扩展到冲压器与基板之间，并且将多余的粘接剂向外甩出。然后，通过紫外线照射或加热使粘接剂硬化，使冲压器与基板粘接。
专利文献1：特开昭61-194662号公报。
发明内容
这样，贴合装置在将粘接剂向冲压器及基板涂敷时，喷嘴被固定，通过旋转将粘接剂扩展到面整体上。此时，向外周甩出的粘接剂附着在基板及冲压器的端面上，发生因其脏污带来的入射光的散射等的不良状况。此外，粘接剂也附着在喷嘴的吐出口以外的部分上，其擦去工序变得麻烦。
此外，虽然在如光盘那样比较小型而坚硬的板状体中、通过使盘旋转能够使粘接剂扩散到面整体上，但例如在液晶电视机或液晶显示器这种大型的板状体中，难以采用通过旋转将粘接剂涂敷到面整体上的方法。
进而，在板状体的贴合工序中，需要防止气泡混入到粘接剂间。
所以，本发明的目的是提供一种在大型的板状体的贴合工序中也能够应用、在也防止气泡的混入的同时进行贴合的填充装置。
为了解决上述课题，有关本发明的填充装置，具备：多个保持部件，将板状体使该板状体的主面对置而保持；移动部件，使上述多个保持部件接近离开；吐出喷嘴，插通在通过保持在上述保持部件上而相对置的一对板状体的间隙中，将填充液向上述间隙吐出；喷嘴移动机构，使上述吐出喷嘴遍及上述板状体的面内方向移动；储存部，储存上述填充液；推压机构，使储存在上述储存部中的上述填充液从上述吐出喷嘴吐出；将从上述吐出喷嘴吐出的上述填充液一边接触在被相对置而支承的上述一对板状体上一边填充。
根据本发明，是吐出喷嘴一边移动一边向板状体的间隙吐出填充液的结构，由于填充液一边附着在被相对置而支承的板状体的两者上一边涂敷，所以小型的板状体是当然的，即使是大型的板状体也能够将填充液吐出，并且能够防止填充液中残留气泡。
附图说明
图1是表示填充装置的侧视图。
图2是表示填充装置的俯视图。
图3是表示吐出喷嘴的前端的图，图3A是俯视图，图3B是侧视图。
图4是表示正在吐出填充液的吐出喷嘴的剖视图。
图5是表示由填充装置进行的填充工序的剖视图。
图6A是表示在保护面板保持台上吸附着保护面板的状态的俯视图。
图6B是表示将吐出喷嘴从液晶面板及保护面板的一端侧插通到间隙中的状态的俯视图。
图6C是表示在液晶面板及保护面板的间隙中描绘有规定的填充图案的状态的俯视图。
图6D是表示吐出喷嘴一边移动一边吐出粘接剂而描绘规定的描绘图案的状态的俯视图。
图6E是表示推压液晶面板及保护面板、将粘接剂推展的状态的俯视图。
图6F是表示粘接剂直到各角落均匀地填充到液晶面板及保护面板的间隙中的状态的俯视图。
图7是表示由填充装置形成的描绘图案的俯视图。
图8是表示另一填充装置的俯视图。
具体实施方式
以下，参照附图对有关本发明的填充装置详细地说明。
该填充装置1是作为一对板状体而使用液晶面板2及保护液晶面板2的表面的保护面板3、向这些液晶面板2与保护面板3之间填充粘接剂7、将液晶面板2与保护面板3贴合的装置。
填充装置1如图1、图2所示，具备保持液晶面板2的液晶面板保持台4、保持保护面板3的保护面板保持台5、通过使保护面板保持台5升降而使液晶面板2与保护面板3接近离开的致动器6、插通在液晶面板2与保护面板3之间、将粘接剂7吐出的吐出喷嘴10、使吐出喷嘴10移动的喷嘴移动机构11、与吐出喷嘴10连接、储存粘接剂7的注射器15、和使粘接剂7从吐出喷嘴10的吐出口17吐出的推压机构13，它们配设在工作台14上。
液晶面板2是在形成为大致矩形状的上下两片玻璃基板间封入有液晶的液晶单元，在朝向视听者侧的一个基板上粘接保护面板3。保护面板3是使液晶面板2的视觉辨认性提高、或保护液晶面板2免受冲击或损伤的部件，例如使用强化玻璃或丙烯酸板等透明的板。
保持液晶面板2的液晶面板保持台4固定在工作台14上，通过真空吸附等的方法保持液晶面板2，以使其与保护面板3的粘接面朝向表侧。保持保护面板3的保护面板保持台5通过致动器6支承在液晶面板保持台4上，通过真空吸附等的方法保持保护面板3，以使其与液晶面板2的粘接面朝向表侧。此外，液晶面板保持台4及保护面板保持台5都将液晶面板2或保护面板3的吸附面设定为大致铅直方向，将液晶面板2及保护面板3的各主面朝向大致铅直方向而保持。
这些液晶面板保持台4及保护面板保持台5为了方便进行液晶面板2与保护面板3的对位而优选的是透明的，但并不一定需要是透明的，也可以通过周知的方法进行面板间的对位。
支承保护面板保持台5的致动器6是使保护面板保持台5沿作为图1中箭头Z方向及反箭头Z方向的上下方向升降的部件。致动器6当使液晶面板2或保护面板3保持在各台4、5上时使保护面板保持台5上升、当使粘接剂7填充到液晶面板2及保护面板3的间隙中时使保护面板保持台5下降。
此外，致动器6在粘接剂7的填充时，通过使保护面板保持台5下降，将液晶面板2和保护面板3保持为后述的吐出喷嘴10能够插通、并且粘接剂7能够一边接触在液晶面板2及保护面板3上一边涂敷的规定的间隔。并且，致动器6在粘接剂7的填充后，使保护面板保持台5进一步下降，将保护面板3向液晶面板2侧以规定的力推压规定的时间，将粘接剂7遍及液晶面板2及保护面板3的整面推展。
将粘接剂7向液晶面板2及保护面板3之间吐出的吐出喷嘴10具有与保持在液晶面板保持台4上的液晶面板2及保持在保护面板保持台5上的保护面板3的各主面平行的筒状体。此外，吐出喷嘴10通过与供给粘接剂7的注射器15连结，被支承在能够在处于相互接近的位置的液晶面板2及保护面板3的间隙内不接触到两面板而进退的高度。并且，吐出喷嘴10通过喷嘴移动机构11向图1中反箭头X方向及图2中箭头Y方向及反箭头Y方向移动，在液晶面板2及保护面板3的间隙内描绘后述的规定的吐出图案。
此外，吐出喷嘴10如图3所示，通过将前端的上表面斜向切割，吐出口17朝向铅直方向上侧。由此，吐出喷嘴10如果开始吐出粘接剂7，则使粘接剂7最初附着在位于上方的保护面板3上，然后，通过重力附着到下方的液晶面板2上。接着，吐出喷嘴10一边吐出粘接剂7一边在液晶面板2及保护面板3的间隙内移动，如图4所示，总是在粘接剂7附着在液晶面板2及保护面板3的两面上的状态下涂敷。
这样，填充装置1通过将吐出喷嘴10的吐出口17朝向上方向、并且进行涂敷以使粘接剂7总是附着在液晶面板2及保护面板3的两面上，能够防止在粘接剂7中残留气泡。
另外，吐出喷嘴10如图3A所示，直径φ例如由6mm≥φ≥2mm形成。该直径φ根据液晶面板2及保护面板3的间隙决定，选择不接触到两面板上的值。此外，吐出喷嘴10使用金属或工业用塑料形成，具有能够不挠曲而吐出粘接剂7的刚性。即，吐出喷嘴10不接触在液晶面板2及保护面板3上而涂敷粘接剂7。
此外，吐出喷嘴10如图3B所示，吐出口17的角度α由90°＞α≥30°形成。吐出喷嘴10如果该角度α成为90°以上则在开始吐出时不能使粘接剂7附着在保护面板3上，此外发生在吐出口17上残留粘接剂7、使粘接剂附着在设想之外的部位上的可能。此外，吐出喷嘴10如果该角度α为不到30°则在开始吐出时粘接剂7不易下降到下方的液晶面板2侧，发生将气泡卷入的可能。具体而言，该角度α在90°＞α≥30°的范围内根据粘接剂7的粘度决定，选择适合于粘接剂7最初附着在上侧的保护面板3上、不将气泡卷入而附着在液晶面板2上、一边接触在两面板上一边吐出的角度。
使吐出喷嘴10移动的喷嘴移动机构11具备载置注射器15的第1喷嘴台19、和载置第1喷嘴台19的第2喷嘴台20。第1喷嘴台19在上表面19a上搭载有注射器15，在下表面19b上安装有滑块22。第1喷嘴台19通过滑块22在设置于第2喷嘴台20上的第1导轨23上滑动，能够向图2中箭头Y方向及反箭头Y方向移动。
此外，第2喷嘴台20在上表面20a上形成有导引第1喷嘴台19的第1导轨23，在下表面20b上形成有与工作台14的第2导轨24嵌合的滑块25。第2喷嘴台20通过滑块25在形成于工作台14上的第2导轨24上滑动，能够向图1中箭头X方向及反箭头X方向移动。
填充装置1具备两座第1喷嘴台19，通过两个吐出喷嘴10涂敷粘接剂7。喷嘴移动机构11具有控制第1喷嘴台19及第2喷嘴台20的移动的控制机构21，通过与液晶面板保持台4及保护面板保持台5的升降动作连动、使吐出喷嘴10沿大致水平方向移动，使其不会接触在液晶面板2及保护面板3上而插通或退避到两面板的间隙中。
另外，填充装置1的吐出喷嘴10的数量并不限定于两个，也可以搭载1个或3个以上。在这些情况下，各吐出喷嘴10也分别与载置在第1喷嘴台19上的注射器15连结，各第1喷嘴台19滑动自如地支承在第2喷嘴台20上。
在载置于第1喷嘴台19上的注射器15中，储存有从吐出喷嘴10吐出的粘接剂7。此外，注射器15与使储存的粘接剂7从吐出喷嘴10吐出的推压机构13连接，进行粘接剂7的吐出及吐出停止的控制、以及吐出压力的控制。推压机构13例如使用压缩干燥空气的储气瓶，由控制机构21控制向注射器15内的气体的供给及供给停止、以及供给压力，通过将气体以规定压力向注射器15内供给，使粘接剂7从吐出喷嘴10吐出。
作为从吐出喷嘴10吐出的粘接剂7，例如使用控制折射率以使得即使填充到液晶面板2及保护面板3之间也抑制光的散射而不会损害液晶面板2的视觉辨认性的透明的紫外线硬化型的弹性树脂。
此外，粘接剂7选择能够向液晶面板2及保护面板3同时一边附着一边填充、并且不会从两面板2、3的外缘流出而能够维持附着在两面板2、3上的状态的粘度，例如在1000mPa～4000mPa的范围中使用。此外，根据这样的粘接剂7的粘度，液晶面板2及保护面板3的间隙尺寸设定为3.5mm～10mm的范围。
接着，参照图5及图6对填充装置1的动作进行说明。另外，在本实施例中，对将粘接剂7向矩形状的液晶面板2及保护面板3的间隙填充的情况进行说明，但液晶面板2及保护面板3的形状并不限定于矩形。
首先，填充装置1通过致动器6使液晶面板保持台4及保护面板保持台5离开，将液晶面板2吸附在液晶面板保持台4上，并且将保护面板3吸附在保护面板保持台5上（图5A、图6A）。
液晶面板保持台4及保护面板保持台5例如是透明的台，分别形成有使液晶面板2与保护面板3正对的对位用的标记。填充装置1以自动或手动进行使用对位用的标记使液晶面板2及保护面板3正对的规定的对位。
另外，此时吐出喷嘴10通过控制机构将第1喷嘴台19向图1中反箭头X方向移动，从液晶面板2及保护面板3的间隙向反箭头X方向退避。
在液晶面板2及保护面板3的对位结束后，填充装置1通过控制机构使两座第1喷嘴台19向箭头X方向滑动，使各吐出喷嘴10从液晶面板2及保护面板3的各长度方向的一端侧的侧面2a、3a侧插通到间隙中（图5B、图6B）。此时，吐出喷嘴10预先插通在在液晶面板2及保护面板3接近时不接触在两面板上的高度（图5B）。此外，吐出喷嘴10的吐出口17位于液晶面板2及保护面板3的各长度方向的另一端侧的侧面2b、3b侧的附近（图6B）。
然后，填充装置1通过操作致动器6而使液晶面板保持台4及保护面板保持台5接近，将液晶面板2及保护面板3保持为规定的间隔（图5C）。
接着，填充装置1一边通过控制机构使第1、第2喷嘴台19、20移动，一边从吐出喷嘴10将粘接剂7吐出，在液晶面板2及保护面板3的间隙中描绘规定的填充图案（图5D、图6C）。此时，吐出喷嘴10一边向反箭头X方向、箭头Y方向及反箭头Y方向移动一边将粘接剂7吐出。因而，吐出喷嘴10的吐出口17不会进入到填充于液晶面板2及保护面板3的间隙中的粘接剂7中，能够防止粘接剂7附着在喷嘴主体上。由此，填充装置1能够防止通过附着在吐出喷嘴10上的粘接剂7使得粘接剂7附着在设想之外的部位上的状况。
此外，如上所述，吐出喷嘴10通过将吐出口17朝向上方形成，如果粘接剂7开始吐出，则使粘接剂7附着在上方的保护面板3上，然后，粘接剂7下降而附着在下方的液晶面板2上。在此原状下，吐出喷嘴10一边向反箭头X方向、箭头Y方向及反箭头Y方向移动一边吐出粘接剂7而描绘规定的描绘图案P1（图5E、图6D）。此时，吐出喷嘴10由于粘接剂7向液晶面板2及保护面板3的两者同时一边附着一边涂敷，所以能够防止在粘接剂7中残留气泡。
如图6D所示，填充在该液晶面板2及保护面板3的间隙中的粘接剂7的描绘图案P1具有在液晶面板2及保护面板3的中央部沿着长度方向描绘的粗线部30、和从该粗线部30的两端朝向液晶面板2及保护面板3的四角延伸的细线部31。粗线部30沿着液晶面板2及保护面板3的长度方向形成在大致中央，细线部31从粗线部30的长度方向的两端连续朝向液晶面板2及保护面板3的四角形成。
描绘图案P1通过具备两个吐出喷嘴10a、10b的填充装置1的一个吐出喷嘴10a和另一个吐出喷嘴10b经由粗线部30沿短边方向描绘对称形状而形成。即，一个吐出喷嘴10a描绘描绘图案P1的一侧的粗线部30a及细线部31a，另一个吐出喷嘴10b描绘描绘图案P1的另一侧的粗线部30b及细线部31b。通过喷嘴移动机构11使两个吐出喷嘴10a、10b同步移动，通过分别一边向反箭头X方向后退一边向相互接近的箭头Y方向或反箭头Y方向移动而描绘一个细线部31，接着，通过向反箭头X方向后退而描绘粗线部30，再接着通过一边向反箭头X方向后退一边向相互离开的箭头Y方向或反箭头Y方向移动，描绘另一个细线部31。
另外，吐出喷嘴10通过使每单位时间的粘接剂7的吐出量为一定并控制第1、第2喷嘴台19、20的移动速度，能够将粗线部30和细线部31区分描绘。
如果结束在液晶面板2及保护面板3的间隙中形成规定的描绘图案，则填充装置1通过控制机构21操作第1、第2喷嘴台19、20，使吐出喷嘴10从液晶面板2及保护面板3的间隙退避（图5F）。
接着，填充装置1通过致动器6使保护面板保持台4下降，推压液晶面板2及保护面板3，将粘接剂7推展（图5G、图6E）。此时，填充装置1由于描绘图案P1以对称形状描绘在两面板2、3的中央，所以遍及两面板2、3的整体均匀地扩展。此外，填充装置1通过设置向两面板2、3的四角延伸的细线部31，粘接剂7可靠地扩展直到达到两面板2、3的四角。另外，通过致动器6的推压力及推压时间根据液晶面板2及保护面板3的间隙、粘接剂7的粘度及涂敷量等决定，例如设定为推压力2.5kPa、推压时间0.3秒。
然后，填充装置1将致动器6带来的推压解除，并且将由液晶面板保持台4进行的液晶面板4的吸附及由保护面板保持台5进行的保护面板3的吸附解除，在常压下放置规定时间、例如5分钟。由此，粘接剂7直到各角落均匀地填充到液晶面板2及保护面板3的间隙中（图6F）。填充装置1在粘接剂7填充到间隙的各角落后，通过用未图示的紫外线照射装置照射紫外线，进行粘接剂7的硬化处理。
这样，填充装置1将作为对称形状的描绘图案P1用画一笔描绘，所以能够将均匀扩展的描绘图案P1在最短时间中描绘。
通过填充装置1描绘的图案并不限定于图6D所示的图案，根据液晶面板2及保护面板3的大小及粘接剂7的粘度等，选择不混入气泡、在规定时间中填充到各角落的图案。例如，图7所示的描绘图案P2具有沿着大致矩形状的液晶面板2及保护面板3的长度方向延长的干线部33、从干线部33的两端部朝向四角的斜线部34、和从干线部33沿液晶面板2及保护面板3的短边方向延伸的支线部35。
该图7所示的描绘图案P2通过具备两个吐出喷嘴10a、10b的填充装置1的一个吐出喷嘴10a和另一个吐出喷嘴10b经由干线部33沿短边方向描绘对称的形状而形成。即，一个吐出喷嘴10a描绘描绘图案P2的一侧的干线部33a、斜线部34a及支线部35a，另一个吐出喷嘴10b描绘描绘图案P2的另一侧的干线部33b、斜线部34b及支线部35b。两个吐出喷嘴10通过在喷嘴移动机构11作用下同步移动，以相同的定时描绘描绘图案P2。
描绘图案P2由干线部33a和干线部33b构成干线部33，由一对斜线部34a和一对斜线部34b构成从干线部33的两侧向四角延伸的斜线部34，由从干线部33a向液晶面板2及保护面板3的短边方向的一侧延伸的多个支线部35a和从干线部33b向液晶面板2及保护面板3的短边方向的另一侧延伸的多个支线部35b构成从干线部33沿液晶面板2及保护面板3的短边方向延伸的支线部35。
该描绘图案P2的支线部35的条数根据液晶面板2及保护面板3的尺寸决定，支线部35的粘接剂7的总涂敷量设为将干线部33与斜线部34合计的粘接剂7的涂敷量以下。描绘图案P2通过设置多个沿液晶面板2及保护面板3的短边方向延伸的支线部35，在用致动器6推压的工序及在常压下放置规定时间的工序中，支线部35迅速地扩展到液晶面板2及保护面板3的侧缘部，能够将粘接剂7直到各角落可靠地填充。
此外，填充装置1通过使两个吐出喷嘴10a、10b同步移动，能够同时描绘描绘图案P2，能够在短时间内进行粘接剂7的涂敷。此外，填充装置1在描绘图案P2中，也能够通过描绘对称形状而遍及两面板2、3的整体使粘接剂7均匀地填充。
另外，填充装置1根据面板形状，并不一定需要将描绘图案P描绘为对称形状。此外，填充装置1也可以将描绘图案P通过使1个吐出喷嘴10移动而描绘为对称形状。此外，填充装置1也可以描绘描绘图案P的对称形状、以使其至少一个部位具有作为对称点的接触点。进而，填充装置1在例如在圆形的面板2、3上涂敷粘接剂7的情况下，只要在面板2、3的中央形成圆形的描绘图案P就可以。
此外，喷嘴移动机构11也可以具备多个吐出喷嘴10、从液晶面板2及保护面板3的相对置的边插入到间隙中。在液晶面板2及保护面板3大型化、例如具备相当于12英寸以上的液晶电视的大小的情况下等，如图8所示，通过在使吐出喷嘴10相对置的两面侧具备吐出喷嘴10及喷嘴移动机构11、同时涂敷粘接剂7，能够缩短粘接剂7的涂敷所需要的时间。
即，在图8所示的填充装置50中，在矩形状的液晶面板2及保护面板3的短边方向的两侧分别具备两个吐出喷嘴10、和使两个吐出喷嘴10移动的喷嘴移动机构11。并且，填充装置50在粘接剂7的涂敷工序中，从短边方向的一边51及另一边52分别将两个吐出喷嘴10插入，描绘规定的描绘图案P。
此时，使各吐出喷嘴10沿着从两面板2、3的大致中央朝向作为插入端的一边51或另一边52的方向、以及两面板2、3的长度方向同步移动。如果描绘结束，则使各吐出喷嘴10从作为插入端的一边51或另一边52退避。因而，喷嘴移动机构11能够使多个吐出喷嘴10以最短的路线移动，即使是大型面板，也能够在短时间中描绘规定的描绘图案P。
另一方面，在向比较的小型、中型的液晶面板2及保护面板3的间隙填充粘接剂7的情况下，如图6所示，只要在矩形状的液晶面板2及保护面板3的长度方向的一侧具备1个或多个吐出喷嘴10就足够。当然，在向小型、中型的液晶面板2及保护面板3的间隙填充粘接剂7的情况下，也可以在矩形状的液晶面板2及保护面板3的长度方向的两侧具备1个或多个吐出喷嘴10。
以上，对将用来将两片板状体贴合的粘接剂7向板状体的间隙填充的填充装置进行了说明，但有关本发明的填充装置也可以保持3片以上的板状体以使各主面相对置、向各板状体的间隙填充粘接剂7等填充液。
在此情况下，本填充装置的保持构成最上层及最下层的板状体以外的构成中间层的板状体的保持机构为了将该板状体的两主面开放而把持板状体的侧缘。此外，本填充装置也可以将向各板状体的间隙填充填充液的吐出喷嘴及吐出喷嘴的移动机构按照板状体的间隙而设置，在此情况下，也可以将向分别不同的间隙吐出填充液的多个吐出喷嘴及喷嘴移动机构按照矩形状的板状体的不同的边配置。另一方面，本填充装置也可以移动操作吐出喷嘴以使其用一个吐出喷嘴向多个间隙填充填充液。
产业上的可利用性
本发明在液晶面板2及保护面板3的粘接以外，在等离子显示器和其保护面板的粘接中也能够使用。此外，在电视机、便携电话、PDA、便携游戏机、数字照相机、摄像机、数字相框、有机EL、触摸面板等的各种显示器与保护面板的粘接中也能够使用。
附图标记说明
1、50填充装置，2液晶面板，3保护面板，4液晶面板保持台，5保护面板保持台，6致动器，10吐出喷嘴，11喷嘴移动机构，13推压机构，14工作台，15注射器，17吐出口，19第1喷嘴台，20第2喷嘴台，21控制机构，22滑块，23第1导轨，24第2导轨，25滑块，30粗线部，31细线部，33干线部，34斜线部，35支线部。

Claims (6)

1.一种填充装置，其特征在于，
具备：
多个保持部件，将板状体使该板状体的主面对置而保持；
移动部件，使上述多个保持部件接近离开；
吐出喷嘴，插通在通过保持在上述保持部件上而相对置的一对板状体的间隙中，将填充液向上述间隙吐出；
喷嘴移动机构，使上述吐出喷嘴遍及上述板状体的面内方向移动；
储存部，储存上述填充液；和
推压机构，使储存在上述储存部中的上述填充液从上述吐出喷嘴吐出；
上述保持部件保持上述板状体，以使其主面朝向铅直方向；
上述喷嘴的上述填充液的吐出口朝向上方；
上述喷嘴与上述板状体平行，并且上述吐出口的角度α是30°≤α＜90°；
将从上述吐出喷嘴吐出的上述填充液一边接触在被相对置而支承的上述一对板状体上一边填充。
2.如权利要求1所述的填充装置，其特征在于，设有多个上述吐出喷嘴，各吐出喷嘴从上述一对板状体的一边插入到上述间隙中。
3.如权利要求1所述的填充装置，其特征在于，上述吐出喷嘴设在上述一对板状体的一边侧及另一边侧，从上述板状体的一边侧及另一边侧插入到上述间隙中。
4.如权利要求1所述的填充装置，其特征在于，设有两根上述吐出喷嘴，各吐出喷嘴用上述填充液分别描绘具有沿着上述板状体的长度方向的粗线部、和从上述粗线部向上述板状体的短边方向外侧延伸的细线部的对称形状。
5.如权利要求1所述的填充装置，其特征在于，
被相对置而支承的上述一对板状体是图像显示面板及粘贴到上述图像显示面板上的透明的保护面板；
上述填充液是透明树脂。
6.如权利要求1所述的填充装置，其特征在于，
具备使填充在上述板状体间的上述填充液硬化的硬化机构。
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