WO2017107094A1 - 绑定装置及柔性显示模组的绑定方法 - Google Patents

绑定装置及柔性显示模组的绑定方法 Download PDF

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Publication number
WO2017107094A1
WO2017107094A1 PCT/CN2015/098415 CN2015098415W WO2017107094A1 WO 2017107094 A1 WO2017107094 A1 WO 2017107094A1 CN 2015098415 W CN2015098415 W CN 2015098415W WO 2017107094 A1 WO2017107094 A1 WO 2017107094A1
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WO
WIPO (PCT)
Prior art keywords
binding
tensioning
plane
boss
flexible display
Prior art date
Application number
PCT/CN2015/098415
Other languages
English (en)
French (fr)
Inventor
朱剑磊
Original Assignee
深圳市柔宇科技有限公司
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 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to US15/752,824 priority Critical patent/US10126578B2/en
Priority to JP2018526710A priority patent/JP6549799B2/ja
Priority to PCT/CN2015/098415 priority patent/WO2017107094A1/zh
Priority to KR1020187007472A priority patent/KR20180041186A/ko
Priority to CN201580073225.2A priority patent/CN107210242B/zh
Priority to EP15911093.1A priority patent/EP3324425A4/en
Publication of WO2017107094A1 publication Critical patent/WO2017107094A1/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
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
    • B23K20/023—Thermo-compression bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • 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
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • 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
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/42—Printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
    • H05K2203/0278—Flat pressure, e.g. for connecting terminals with anisotropic conductive adhesive
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
    • H05K3/323—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives by applying an anisotropic conductive adhesive layer over an array of pads
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Definitions

  • the present invention relates to the field of flexible display modules, and in particular, to a binding device and a binding method of a flexible display module using the binding device.
  • the flexible display module mainly comprises a flexible display panel and a corresponding driving circuit.
  • the external driving chip needs to be connected through the conductive medium on the flexible display panel.
  • This process is generally called bonding.
  • the conductive medium used for the connection in the bonding process is generally an ACF (Anisotropic Conductive Film), which is characterized in that it is electrically conductive only in the direction of the pressure, and is not in other directions without being subjected to pressure. Turn on.
  • ACF Application Function
  • the flexible display panel is easily deformed due to the high temperature hot pressing environment in the binding process, which may result in inaccurate binding alignment, which seriously affects the quality of the product. .
  • Embodiments of the present invention provide a binding device with high yield and a binding method for a flexible display module using the binding device.
  • a binding device including a base frame, and a binding platform, a tensioning mechanism, and a lifting mechanism disposed on the base frame,
  • the tensioning mechanism includes a first tensioning portion and a second tensioning portion respectively disposed on two sides of the binding platform, and the first tensioning portion and the second tensioning portion are respectively connected to be bound Both ends of the piece are used for tensioning the parts to be bound;
  • the binding platform includes a binding plane, where the binding plane is used to contact the to-be-bound component;
  • the lifting mechanism drives the binding plane and/or the tensioning mechanism such that a relative displacement between the binding plane and the tensioning mechanism occurs between the binding platform and the tensioning mechanism
  • the surface of the component to be bonded that is in contact with the binding plane is flattened.
  • a binding method of a flexible display module is also provided for binding an integrated circuit to The first binding area of the flexible display panel, the binding method includes:
  • the tensioning mechanism tensions the flexible display panel
  • the lifting mechanism drives the binding plane of the binding platform and/or the tensioning mechanism to move, so that the binding plane jacks up the first binding area;
  • the first tensioning portion and the second tensioning portion of the tensioning mechanism are respectively connected to the two ends of the to-be-bound member for tensioning the to-be-bound component.
  • the binding plane of the binding platform is located between the first tensioning portion and the second tensioning portion for contacting the middle portion of the to-be-bound component. Therefore, when the lifting mechanism drives the binding plane and/or the tensioning mechanism such that a relative displacement between the binding plane and the tensioning mechanism occurs, the to-be-bound component is in the Under the joint action of the binding platform and the tensioning mechanism, the entire part to be bound is tensioned, and partially pressed on the binding plane, so the to-be-bound piece and the tied The plane of the fixed plane contact is flat.
  • the area to be bound of the to-be-bound component may be in contact with the binding plane, thereby ensuring the accuracy of the binding alignment in the binding process, and thus can be completed by one pressing action.
  • the binding action of the bindings effectively improves the binding efficiency and yield of the components to be bound.
  • the binding method of the flexible display panel in the embodiment of the present invention because the flexible display panel is kept flat, that is, the first binding area has a good flatness, thereby ensuring the binding in the binding process.
  • the accuracy of the alignment that is, the binding of the flexible display panel and the integrated circuit can be completed by one pressing operation, and the binding efficiency is high and the yield rate is high.
  • FIG. 1 is a schematic structural diagram of a binding apparatus according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a binding platform of a binding device according to an embodiment of the present invention.
  • FIG. 3 is another schematic structural diagram of a binding platform of a binding device according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of another binding platform of a binding device according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic top plan view of the embodiment of FIG. 4.
  • FIG. 5 is a schematic top plan view of the embodiment of FIG. 4.
  • FIG. 6 is a schematic structural diagram of a tensioning mechanism of a binding device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a process corresponding to multiple steps in a binding method of a flexible display module according to an embodiment of the present invention.
  • Figure 8 is a plan view of the structure shown in Figure 7.
  • FIG. 12 is a schematic structural diagram of a binding method of a flexible display module in which a binding component is pressed against a binding plane according to an embodiment of the present disclosure.
  • an embodiment of the present invention provides a binding apparatus for binding a binding component.
  • the binding component can be a flexible display panel or an integrated circuit, generally a flexible display panel.
  • the binding device comprises a base frame 1, a binding platform 2 and a tensioning mechanism 3 and a lifting mechanism 6 which are arranged on the base frame 1.
  • the tensioning mechanism 3 includes a first tensioning portion 31 and a second tensioning portion 32 respectively disposed on both sides of the binding platform 2, the first tensioning portion 31 and the second tensioning portion 32. They are respectively connected to the two ends of the to-be-bound component for tensioning the to-be-bound component.
  • the binding platform 2 includes a binding plane 20 for contacting the to-be-bound component.
  • the lifting mechanism 6 drives the binding plane 20 and/or the tensioning mechanism 3 such that a relative displacement between the binding plane 20 and the tensioning mechanism 3 occurs, in the binding platform 2 Working with the tensioning mechanism 3, the surface of the member to be bonded that is in contact with the binding plane 20 is flat.
  • the first tensioning portion 31 and the second of the tensioning mechanism 3 of the binding device The tensioning portions 32 are respectively connected to the two ends of the to-be-bound member for tensioning the to-be-bound member, and the binding plane 20 of the binding platform 2 is located at the first tensioning portion 31 and the Between the second tensioning portions 32, for contacting the middle portion of the member to be bound. Therefore, when the lifting mechanism 6 drives the binding plane 20 and/or the tensioning mechanism 3 such that a relative displacement occurs between the binding plane 20 and the tensioning mechanism 3, the waiting Under the joint action of the binding platform 2 and the tensioning mechanism 3, the entire part to be bound is tensioned and partially pressed against the binding plane 20, thus the The surface to be bound to the binding plane 20 is flat.
  • the area to be bound of the to-be-bound component may be in contact with the binding plane 20, thereby ensuring the accuracy of the binding alignment in the binding process, and thus can be completed by one pressing action.
  • the binding action of the binding component is effective to improve the binding efficiency of the binding component and the yield rate.
  • the binding device when the binding device is configured to bind the second binding area of the integrated circuit to the first binding area of the flexible display panel, the first binding area is set to be pressed on the binding The plane 20 is fixed, so that the first binding area is kept flat, and the binding alignment and pressing action of the second binding area and the first binding area are performed, thereby effectively improving the to-be-bound parts.
  • the binding efficiency is high and the yield is good.
  • the binding plane 20 should be a flat plane, and the area of the binding plane 20 should be greater than or equal to the area of the area to be bound of the to-be-bound component, thereby Further ensure the flat state of the area to be bound in the binding process.
  • the area of the binding plane 20 is only slightly larger than the area of the area to be bound of the component to be bonded, so as to reduce the area of the substrate of the component to be bonded that is affected by the high temperature during the pressing step. Further improving the yield of the to-be-bound component.
  • the ratio of the area of the binding plane 20 to the area of the area to be bound of the component to be bonded is 1 to 1.5.
  • the first tensioning portion 31 can be used to provide a tension in a first direction
  • the second tensioning portion 32 can be used to provide a tensioning force in a second direction, the second direction Contrary to the first direction.
  • the relationship between the first direction and the second direction includes, but is not limited to, the opposite, and may be other relationships as long as the two ends of the to-be-bound member can be tensioned.
  • the lifting mechanism 6 includes a first driving member 61, and the first driving member 61 is connected to the binding platform 2 and The pedestal 1 and driving the binding platform 2 to be close to or away from the pedestal 1 to cause a relative displacement between the binding plane 20 and the tensioning mechanism 3, the binding plane 20 can be pressed, fitted or moved away from the part to be bound.
  • the first driving member 61 includes a pitch adjustment structure 612, a first link 611 and a second link 613 of equal length, the middle of the first link 611
  • the pitch structure 612 is configured to adjust a distance between one end of the first link 611 and one end of the second link 613. Specifically, as shown in FIG.
  • the first link is further The spacing between one end 6112 and the other end 6132 of the second link is also reduced, the spacing of one end 6111 of the first link and the other end 6132 of the second link, one end 6131 of the second link.
  • the spacing from the other end 6112 of the first link is increased. That is, the binding platform 2 moves away from the pedestal 1, and the binding plane 20 and the tensioning mechanism 3 generate a relative displacement, and the binding plane 20 can press the to-be-bound Order.
  • the pitch adjustment structure 612 adjusts the pitch of one end 6111 of the first link and one end 6131 of the second link to increase, the other end 6112 of the first link and the first The spacing of the other end 6132 of the two links is also increased, the spacing of one end 6111 of the first link and the other end 6132 of the second link, one end 6131 of the second link, and the first The spacing of the other end 6112 of the connecting rod is reduced. That is, the binding platform 2 moves closer to the pedestal 1, and the binding plane 20 and the tensioning mechanism 3 generate a relative displacement, and the binding plane 20 can be away from the to-be-bound Pieces.
  • the lifting mechanism 6 includes a first driving member 61
  • the binding platform 2 includes a first portion 2a and a second portion. 2b
  • the upper surface of the first portion 2a is a binding plane 20
  • the second portion 2b is fixed on the base frame 1
  • the first driving member 61 is disposed at the first portion 2a and the second portion
  • the first portion 2a is driven to move closer to or away from the second portion 2b, so that a relative displacement between the binding plane 20 and the tensioning mechanism 3 is generated, the binding plane 20 can be pressed, fitted or moved away from the part to be bound.
  • the first driving member 61 includes a pitch adjustment structure 612, a first link 611 and a second link 613 of equal length, the middle of the first link 611
  • the pitch structure 612 is configured to adjust a distance between one end of the first link 611 and one end of the second link 613. Specifically, as shown in FIG.
  • the pitch adjustment structure 612 adjusts the pitch of one end 6111 of the first link and one end 6131 of the second link to increase, the other end 6112 of the first link and the first The spacing of the other end 6132 of the two links is also increased, the spacing of one end 6111 of the first link and the other end 6132 of the second link, one end 6131 of the second link, and the first The spacing of the other end 6112 of the connecting rod is reduced. That is, the first portion 2a moves closer to the second portion 2b, and the binding plane 20 and the tensioning mechanism 3 generate a relative displacement, and the binding plane 20 can be away from the to-be-bound Pieces.
  • the binding platform 2 in the embodiment of the present invention may also include more parts, for example, including three parts, and the adjacent parts are connected by a structure similar to the first driving part 61. Therefore, the purpose of adjusting the spacing of adjacent portions is achieved. Increasing the components of the binding platform 2 may increase the ranging range of the binding plane 20 and increase the versatility of the binding device.
  • the pitch adjustment structure 612 of the first driving member 61 may be any structure that can achieve a pitch adjustment purpose, such as a bolt structure, a screw structure, or the like.
  • the binding platform 2 of the binding device includes a first boss 21 and a second boss. 22 and the third boss 23, the first driving member 61 drives the first boss 21 to rise, so that the upper surface 210 of the first boss forms the binding plane; or, the first driving The member 61 drives the first boss 21 and the second boss 22 to rise, so that the upper surface 210 of the first boss and the upper surface 220 of the second boss are coplanar to form the tie Or planarizing the first boss 21, the second boss 22, and the third boss 23 of the first driving member 61, so that the upper surface 210 of the first boss The upper surface 220 of the second boss and the upper surface 230 of the third boss are coplanar to form the bonding plane.
  • the binding planes may have different binding areas, so that the binding device can be applied to multiple to-be-bound components with different binding areas, which improves the flexibility and application range of the binding device.
  • the first driving member 61 in this embodiment can be referred to the structure of the first driving member in the foregoing embodiment, and is not described here.
  • the lifting mechanism 6 includes a second driving member 62, and the second driving member 62 includes first brackets 621 and a first portion respectively disposed on two sides of the binding platform.
  • a second bracket 623 the first bracket 621 is formed with a first sliding rail 622, and the second bracket 623 is shaped Forming a second slide rail 624, the sliding paths of the first slide rail 622 and the second slide rail 624 are perpendicular to the binding plane 20, and the first tensioning portion 31 is movably connected to the first The slide rail 622 is movably connected to the second slide rail 624.
  • the first tensioning portion 31 slides on the first sliding rail 622, and the second tensioning portion 32 slides on the second sliding rail 624, thereby making the binding
  • the plane 20 creates a relative displacement with the bound member that is tensioned on the tensioning mechanism 3, and the binding plane 20 can be pressed, fitted or moved away from the to-be-bound component.
  • the first tensioning portion 31 of the binding device includes a pair of first rollers ( 311 , 312 ) arranged at intervals to press and place.
  • the first roller 311 presses the flexible display
  • the first surface 41 of the panel 4 presses the second surface 42 of the flexible display panel 4 opposite to the first surface 41.
  • a first frictional force f between the first roller (311, 312) and the member to be bonded ie, the flexible display panel 4) (as shown in FIG.
  • the frictional force f in the first direction When the predetermined value is less than or equal to a predetermined value, the first roller (311, 312) does not roll, and when the first frictional force f is greater than the predetermined value, the first roller (311, 312) rolls, and finally When the first roller (311, 312) stops scrolling, the first frictional force f is reduced to a value less than or equal to the predetermined value. Therefore, the first tensioning portion 31 can apply a tensioning force to the flexible display panel 4 that is less than or equal to the predetermined value.
  • the first frictional force between the first roller 311 and the first surface 41 is equal to the first roller 312 and A first frictional force between the second surfaces 42.
  • the second tensioning portion 32 includes a pair of spaced apart second rollers (321, 322) for pressing between the second rollers (321, 322).
  • the other end of the flexible display panel 4 (for example, the flexible display panel 4 shown in FIG. 4), at this time, the second roller 321 presses the first surface 41 of the flexible display panel 4, the second The roller 322 presses the second surface 42 of the flexible display panel 4 opposite to the first surface 41.
  • a second frictional force f' between the second roller (321, 322) and the member to be bonded ie, the flexible display panel 4) (as shown in FIG.
  • the second roller (321, 322) does not roll, and when the second frictional force f' is greater than the predetermined value, the second roller (321, 322) rolls, Finally, when the second roller (321, 322) stops rolling, the second frictional force f' is lowered to a value less than or equal to the predetermined value. Therefore, the second tensioning portion 32 can be opposite to the flexibility
  • the display panel 4 applies a tensioning force equal to or less than the predetermined value.
  • the second frictional force between the second roller 321 and the first surface 41 is equal to the second roller 322.
  • the first tensioning portion is set by setting a rolling threshold (that is, the predetermined value) to the first roller (311, 312) and the second roller (321, 322).
  • the tension provided by the second tensioning portion 31 and the second tensioning portion 32 is less than or equal to the predetermined value.
  • the binding device when used to bind a to-be-bound component, such as a flexible display panel, the maximum value of the tension applied to the flexible display panel can be controlled by setting a predetermined value. The tension is not allowed to exceed a reasonable tolerance of the flexible display panel.
  • the tensioning mechanism 3 can stretch the flexible display panel to keep it flat without damaging the flexible display panel, thereby ensuring the accuracy of the binding alignment in the binding process, that is, The binding of the flexible display panel to the integrated circuit can be completed by one pressing action, and the binding efficiency is high and the yield rate is high.
  • the setting basis of the predetermined value may be various.
  • the test may be performed or calculated according to the material characteristics of the to-be-bound component to obtain the predetermined value; the predetermined value may be calculated according to empirical data; or the binding to be bound may be performed.
  • the predetermined value is inversely calculated from the optimal binding effect. As long as a reasonable predetermined value can be obtained to achieve the object of the present invention, it will not be exemplified herein.
  • the outer diameter of the first roller (311, 312) may be the same as the outer diameter of the second roller (321, 322), and the outer surface of the first roller (311, 312) may be Consistent with the outer surface material of the second roller (321, 322) to facilitate simultaneous management and adjustment of the friction between the first tensioning portion 31 and the second tensioning portion 32 and the flexible display panel the size of.
  • first tensioning portion and the second sheet may be realized by replacing or changing the outer diameter of the first roller and the second roller, the outer surface material, and the spacing between the two. a change in the magnitude of the friction between the tight portion and the member to be bound, and at the same time, the predetermined value of the tensioning mechanism may be changed to accommodate more binding processes having different requirements, and the binding is improved.
  • the versatility of the device may be realized by replacing or changing the outer diameter of the first roller and the second roller, the outer surface material, and the spacing between the two.
  • the embodiment of the present invention further provides a binding method of the flexible display module.
  • the integrated circuit 5 is bound to the first binding area 40 of the flexible display panel 4 .
  • the binding method includes:
  • Step 1 Referring to FIG. 1 , FIG. 7 and FIG. 8 together, the tensioning mechanism 3 tensions the flexible display panel 4 to keep the flexible display panel 4 in a flat state.
  • Step 2 Referring to FIG. 1 , FIG. 9 and FIG. 10 together, the lifting mechanism 6 drives the binding plane 20 of the binding platform 2 and/or the tensioning mechanism (31, 32) to move, so that the binding plane 20
  • the first binding zone 40 is jacked up.
  • the jacking that is, arching from below
  • the first binding zone 40 of the flexible display panel 4 is opposite to the two sides thereof. Relatively prominent, as shown in Figure 8.
  • the first binding area 40 is pressed tightly on the binding plane to maintain a flat state.
  • Step 3 Referring to FIG. 11, the integrated circuit 5 and the first binding area 40 are aligned. Further, in this step, the second binding area 50 of the integrated circuit 5 is aligned with the first binding area 40.
  • Step 4 Pressing the integrated circuit 5 and the first binding area 40 to form the flexible display module. Further, in this step, the second binding area 50 of the integrated circuit 5 and the first binding area 40 are pressed.
  • the flexible display panel 1 is tensioned in step Step1, so the first binding area 40 initially has a certain degree of flatness, and then in step Step 2, the first binding area 40 Pressed on the binding plane 20, the first binding area 40 at this time has a good flatness, thereby ensuring the binding alignment in the binding process (ie, step Step 3).
  • Accuracy that is, the binding of the flexible display panel and the integrated circuit can be completed by one pressing action (that is, step Step 4), thereby effectively improving the binding efficiency and the yield rate of the components to be bound.
  • the first binding area 40 of the flexible display panel 4 has a plurality of pads 400 , and the tensioning mechanism 3 tensions the flexible structure.
  • the tension of the tensioning mechanism 3 (shown as F in FIG. 5) coincides with the direction in which the pads 400 extend. Since the pads 400 are tensioned in the longitudinal direction thereof, the spacing between the adjacent pads 400 does not change during the tensioning operation, which facilitates the smooth progress of the subsequent bonding alignment process.
  • step Step 2 the lifting mechanism 6 drives the binding plane 20 of the binding platform 2 and/or the tensioning mechanism (31, 32) movement comprises:
  • the lifting mechanism 6 drives the binding plane 20 to rise;
  • the lifting mechanism 6 drives the tensioning mechanism (31, 32) to descend;
  • the lifting mechanism 6 drives the binding plane 20 to rise and drive the tensioning mechanism (31, 32) Decline.
  • step Step 2 the lifting mechanism 6 drives the binding plane 20 of the binding platform 2 and/or The tensioning mechanism (31, 32) is moved, and the binding plane 20 is pushed up from the first binding area 40 to include:
  • the tensioning mechanism 3 moves the flexible display panel 4 such that the center of the first binding area 40 is aligned with the center of the binding plane 20;
  • the tensioning mechanism 3 continues to move the flexible display panel 4 in a direction A perpendicular to the binding plane, so that the first binding zone 40 is pressed against the binding plane 20. on. At this time, the tensioning mechanism 3 actually moves at both ends of the flexible display panel 4, and the first binding region 40 is pressed under the tension of the two ends of the flexible display panel 4 On the fixed plane 20, the flexible display panel 4 assumes a "convex" shape.
  • step Step 2 the lifting mechanism 6 drives the binding plane 20 of the binding platform 2 and/or The tensioning mechanism (31, 32) is moved, and the binding plane 20 is pushed up from the first binding area 40 to include:
  • the tensioning mechanism 3 moves the flexible display panel 4 such that the center of the first binding area 40 is aligned with the center of the binding plane 20;
  • the binding plane 20 is moved to compress the first binding area 40 on the binding plane 20. At this time, the binding plane 20 presses the first binding area, and the flexible display panel 4 assumes a "convex" type.
  • the tensioning force provided by the tensioning mechanism 3 is less than or equal to a certain predetermined value, so that the tension of the tensioning mechanism 3 can be controlled by setting the magnitude of the predetermined value.
  • the maximum value In other words, in step Step 1 and step 2 of the binding method, the tension applied by the tensioning mechanism 3 to the flexible display panel 4 is less than the predetermined value, and the predetermined value is set. The reasonable tolerance of the flexible display panel is not exceeded, and the flexible display panel is stretched to keep it flat without damaging the flexible display panel.
  • the binding plane 20 (as shown in FIG. 9 and FIG. 10)
  • the position of the bold line pointed to is a flat plane, and the area of the binding plane 20 should be greater than or equal to the area of the first binding area 40, thereby further ensuring that the first binding area 40 is tied.
  • the area of the binding plane 20 is only slightly larger than the area of the first binding area 40, so as to reduce the area of the flexible substrate of the flexible display panel 4 that is affected by the high temperature during the pressing step, and further improve the area.
  • the yield of the flexible display module Preferably, the ratio of the area of the binding plane 20 to the area of the first binding area 40 is 1.2 to 1. Referring to FIG. 12, the area of the bonding plane 20 shown in FIG. 12 is slightly larger than the area of the first binding area 40.
  • the setting basis of the predetermined value may be various.
  • the test may be performed or calculated according to the material characteristics of the to-be-bound component to obtain the predetermined value; the predetermined value may be calculated according to empirical data; or the binding to be bound may be performed.
  • the predetermined value is inversely calculated from the optimal binding effect. As long as a reasonable predetermined value can be obtained to achieve the object of the present invention, it will not be exemplified herein.
  • step Step1 when the tensioning mechanism 3 tensions the flexible display panel 4, the tensioning mechanism 3 provides a value of tension less than that of the tensioning mechanism. The predetermined value. At this time, neither the first roller (311, 312) nor the second roller (321, 322) of the tensioning mechanism 3 rolls. Since in step Step1, only the flexible display panel 4 needs to be initially tensioned, it is not necessary to apply a large tension, and the tension can be further increased in step Step 2 to realize the flexible display panel. 4 flat.

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Abstract

一种绑定装置，所述绑定装置包括基架（1）、以及设置在所述基架（1）上的绑定平台（2）、张紧机构（3）及升降机构（6），所述张紧机构（3）包括分别设置在所述绑定平台（2）两侧的第一张紧部（31）和第二张紧部（32），所述第一张紧部（31）和所述第二张紧部（32）分别连接至待绑定件（4）的两端，用于张紧所述待绑定件（4）；所述绑定平台（2）包括绑定平面（20），所述绑定平面（20）用于与所述待绑定件（4）接触；所述升降机构（6）驱动所述绑定平面（20）和/或所述张紧机构（3），使得所述绑定平面（20）与所述张紧机构（3）之间产生相对的位移，在所述绑定平台（2）和所述张紧机构（3）共同作用下，使所述待绑定件（4）与所述绑定平面（20）接触的面平整。所述绑定装置的绑定良品率高。以及一种柔性显示模组的绑定方法。

Description

绑定装置及柔性显示模组的绑定方法 技术领域
本发明涉及柔性显示模组技术领域，特别涉及一种绑定装置及一种采用所述绑定装置的柔性显示模组的绑定方法。
背景技术
随着显示技术的发展，柔性显示模组将得到越来越多的应用。现今柔性显示模组主要包括柔性显示面板和对应的驱动电路，当柔性显示面板制作完成后，需要在柔性显示面板上通过导电介质连接外部驱动芯片，这个过程一般称之为绑定(bonding)。绑定工艺中用于实现连接的导电介质一般为ACF(Anisotropic Conductive Film，各向异性导电膜)，其特点是只在受到压力的方向上实现电性导通，在没有受到压力的其他方向不导通。然而如果直接在柔性显示面板上进行绑定，由于绑定工艺中的高温热压环境，容易使柔性显示面板发生变形，也就会导致出现绑定对位不准的现象，严重影响产品的质量。
发明内容
本发明的实施例提供了一种良品率高的绑定装置以及一种采用所述绑定装置的柔性显示模组的绑定方法。
为了实现上述目的，本发明实施方式采用如下技术方案：
一方面，提供一种绑定装置，所述绑定装置包括基架、以及设置在所述基架上的绑定平台、张紧机构及升降机构，
所述张紧机构包括分别设置在所述绑定平台两侧的第一张紧部和第二张紧部，所述第一张紧部和所述第二张紧部分别连接至待绑定件的两端，用于张紧所述待绑定件；
所述绑定平台包括绑定平面，所述绑定平面用于与所述待绑定件接触；
所述升降机构驱动所述绑定平面和/或所述张紧机构，使得所述绑定平面与所述张紧机构之间产生相对的位移，在所述绑定平台和所述张紧机构共同作用下，使所述待绑定件与所述绑定平面接触的面平整。
另一方面，还提供一种柔性显示模组的绑定方法，用于将集成电路绑定在 柔性显示面板的第一绑定区，所述绑定方法包括：
张紧机构张紧所述柔性显示面板；
升降机构驱动绑定平台的绑定平面和/或所述张紧机构移动，使所述绑定平面顶起所述第一绑定区；
对位所述集成电路与所述第一绑定区；及
压合所述集成电路与所述第一绑定区。
相较于现有技术，本发明实施例具有以下有益效果：
本发明实施例所述绑定装置，其张紧机构的第一张紧部和第二张紧部分别连接至所述待绑定件的两端，用以张紧所述待绑定件，所述绑定平台的绑定平面位于所述第一张紧部和所述第二张紧部之间，用于接触所述待绑定件的中部。因此，当所述升降机构驱动所述绑定平面和/或所述张紧机构，使得所述绑定平面与所述张紧机构之间产生相对的位移时，所述待绑定件在所述绑定平台和所述张紧机构的共同作用下，整个所述待绑定件被张紧，并且部分被压紧在所述绑定平面上，因此所述待绑定件与所述绑定平面接触的面平整。进一步的，可以令所述待绑定件的待绑定区域与所述绑定平面接触，从而保障绑定工艺中的绑定对位的准确度，也因此可以通过一次压合动作即完成待绑定件的绑定动作，有效提升待绑定件的绑定效率高以及良品率。
本发明实施例所述柔性显示面板的绑定方法，由于所述柔性显示面板保持平整，也即所述第一绑定区具有很好的平整度，从而能够保障了绑定工艺中的绑定对位的准确度，也即可以通过一次压合动作即完成柔性显示面板与集成电路的绑定，绑定效率高、良品率高。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种绑定装置的结构示意图。
图2为本发明实施例提供的一种绑定装置的绑定平台处的一种结构示意图。
图3为本发明实施例提供的一种绑定装置的绑定平台处的另一种结构示意图。
图4为本发明实施例提供的一种绑定装置的绑定平台处的再一种结构示意图。
图5为图4实施例的俯视结构示意图。
图6为本发明实施例提供的一种绑定装置的张紧机构处的一种结构示意图。
图7、图9至图11为本发明实施例提供的一种柔性显示模组的绑定方法中多个步骤对应的制程的结构示意图。
图8为图7所示结构的俯视图。
图12为本发明实施例提供的一种柔性显示模组的绑定方法中待绑定件压紧在绑定平面时的一种结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动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。
请参阅图1，本发明实施例提供一种绑定装置，用以对待绑定件进行绑定。例如，可以用于实现柔性显示面板与集成电路的绑定工艺，此时待绑定件可以为柔性显示面板或者集成电路，一般为柔性显示面板。如图1所示，所述绑定装置包括基架1、以及设置在所述基架1上的绑定平台2和张紧机构3以及升降机构6。所述张紧机构3包括分别设置在所述绑定平台2两侧的第一张紧部31和第二张紧部32，所述第一张紧部31和所述第二张紧部32分别连接至待绑定件的两端，用于张紧所述待绑定件。所述绑定平台2包括绑定平面20，所述绑定平面20用于与所述待绑定件接触。所述升降机构6驱动所述绑定平面20和/或所述张紧机构3，使得所述绑定平面20与所述张紧机构3之间产生相对的位移，在所述绑定平台2和所述张紧机构3共同作用下，使所述待绑定件与所述绑定平面20接触的面平整。
在本实施例中，所述绑定装置的所述张紧机构3的第一张紧部31和第二 张紧部32分别连接至所述待绑定件的两端，用以张紧所述待绑定件，所述绑定平台2的绑定平面20位于所述第一张紧部31和所述第二张紧部32之间，用于接触所述待绑定件的中部。因此，当所述升降机构6驱动所述绑定平面20和/或所述张紧机构3，使得所述绑定平面20与所述张紧机构3之间产生相对的位移时，所述待绑定件在所述绑定平台2和所述张紧机构3的共同作用下，整个所述待绑定件被张紧，并且部分被压紧在所述绑定平面20上，因此所述待绑定件与所述绑定平面20接触的面平整。进一步的，可以令所述待绑定件的待绑定区域与所述绑定平面20接触，从而保障绑定工艺中的绑定对位的准确度，也因此可以通过一次压合动作即完成待绑定件的绑定动作，有效提升待绑定件的绑定效率高以及良品率。
举例而言，当所述绑定装置用于将集成电路的第二绑定区绑定在柔性显示面板的第一绑定区时，设置所述第一绑定区被压紧在所述绑定平面20上，从而使所述第一绑定区保持平整，再进行所述第二绑定区与所述第一绑定区的绑定对位和压合动作，有效提升待绑定件的绑定效率高以及良品率。
应当注意的是，在本实施例中，所述绑定平面20应当为一个平整的平面，同时所述绑定平面20面积应当大于等于所述待绑定件的待绑定区域的面积，从而进一步保障待绑定区域在绑定工艺中的平整状态。进一步的，所述绑定平面20的面积仅略大于所述待绑定件的待绑定区域的面积，以减少在压合步骤中，受到高温影响的待绑定件的基材的面积，进一步提高所述待绑定件的良品率。优选的，所述绑定平面20的面积与所述待绑定件的待绑定区域的面积的比值为1至1.5。
同时，本实施例中，所述第一张紧部31可用于提供第一方向的张紧力，所述第二张紧部32可用于提供第二方向的张紧力，所述第二方向与所述第一方向相反。应当理解的是，所述第一方向与所述第二方向的关系包括但不限于相反，也可以是其他关系，只要能够张紧所述待绑定件的两端即可。
进一步的，请一并参阅图1和图2，作为本发明的一种优选实施例，所述升降机构6包括第一驱动件61，所述第一驱动件61连接所述绑定平台2和所述基架1，并且驱动所述绑定平台2靠近或者远离所述基架1，从而使所述绑定平面20与所述张紧机构3之间产生相对的位移，所述绑定平面20可以压紧、贴合或者远离所述待绑定件。
进一步的，请一并参与图1和图2，所述第一驱动件61包括调距结构612、长度相等的第一连杆611和第二连杆613，所述第一连杆611的中部与所述第二连杆613的中部铰接，所述调距结构612用于调节所述第一连杆611的一端与所述第二连杆613的一端的间距。具体而言，如图2所示，当所述调距结构612调节所述第一连杆的一端6111和所述第二连杆的一端6131的间距缩小时，所述第一连杆的另一端6112和所述第二连杆的另一端6132的间距也缩小，所述第一连杆的一端6111和所述第二连杆的另一端6132的间距、所述第二连杆的一端6131和所述第一连杆的另一端6112的间距增大。也即，所述绑定平台2远离所述基架1移动，所述绑定平面20与所述张紧机构3之间产生相对的位移，所述绑定平面20可以压紧所述待绑定件。同样的，当所述调距结构612调节所述第一连杆的一端6111和所述第二连杆的一端6131的间距增大时，所述第一连杆的另一端6112和所述第二连杆的另一端6132的间距也增大，所述第一连杆的一端6111和所述第二连杆的另一端6132的间距、所述第二连杆的一端6131和所述第一连杆的另一端6112的间距减小。也即，所述绑定平台2靠近所述基架1移动，所述绑定平面20与所述张紧机构3之间产生相对的位移，所述绑定平面20可以远离所述待绑定件。
进一步的，请一并参阅图1和图3，作为本发明的另一种优选实施例，所述升降机构6包括第一驱动件61，所述绑定平台2包括第一部分2a和第二部分2b，所述第一部分2a的上表面为绑定平面20，所述第二部分2b固定在所述基架1上，所述第一驱动件61设置在所述第一部分2a和所述第二部分2b之间，用以驱动所述第一部分2a靠近或者远离所述第二部分2b，从而使所述绑定平面20与所述张紧机构3之间产生相对的位移，所述绑定平面20可以压紧、贴合或者远离所述待绑定件。
进一步的，请一并参与图1和图3，所述第一驱动件61包括调距结构612、长度相等的第一连杆611和第二连杆613，所述第一连杆611的中部与所述第二连杆613的中部铰接，所述调距结构612用于调节所述第一连杆611的一端与所述第二连杆613的一端的间距。具体而言，如图3所示，当所述调距结构612调节所述第一连杆的一端6111和所述第二连杆的一端6131的间距缩小时，所述第一连杆的另一端6112和所述第二连杆的另一端6132的间距也缩小，所述第一连杆的一端6111和所述第二连杆的另一端6132的间距、所述第二连杆 的一端6131和所述第一连杆的另一端6112的间距增大。也即，所述第一部分2a远离所述第二部分2b移动，所述绑定平面20与所述张紧机构3之间产生相对的位移，所述绑定平面20可以压紧所述待绑定件。同样的，当所述调距结构612调节所述第一连杆的一端6111和所述第二连杆的一端6131的间距增大时，所述第一连杆的另一端6112和所述第二连杆的另一端6132的间距也增大，所述第一连杆的一端6111和所述第二连杆的另一端6132的间距、所述第二连杆的一端6131和所述第一连杆的另一端6112的间距减小。也即，所述第一部分2a靠近所述第二部分2b移动，所述绑定平面20与所述张紧机构3之间产生相对的位移，所述绑定平面20可以远离所述待绑定件。
应当理解的是，本发明实施例中所述绑定平台2也可以包括更多部分，例如包括三个部分，相邻的所述部分之间通过类似所述第一驱动件61的结构相连接，从而实现相邻部分的间距可调的目的。增加所述绑定平台2的组成部分，可以增大所述绑定平面20的调距范围，增加所述绑定装置的通用性。
进一步的，所述第一驱动件61的所述调距结构612可以是任意的可以实现调距目的结构，例如螺栓结构、丝杠结构等等。
进一步的，请一并参阅图1和图4和图5，作为本发明的再一种优选实施例，所述绑定装置的所述绑定平台2包括第一凸台21、第二凸台22和第三凸台23，所述第一驱动件61驱动所述第一凸台21上升，使所述第一凸台的上表面210形成所述绑定平面；或者，所述第一驱动件61驱动所述第一凸台21和所述第二凸台22上升，使所述第一凸台的上表面210和所述第二凸台的上表面220共面，以形成所述绑定平面；或者，所述第一驱动件61所述第一凸台21、所述第二凸台22和所述第三凸台23上升，使所述第一凸台的上表面210、所述第二凸台的上表面220和所述第三凸台的上表面230共面，以形成所述绑定平面。也即所述绑定平面可以有不同的绑定面积，使所述绑定装置可以适用于具有不同绑定面积的多种待绑定件，提高了所述绑定装置的灵活性和适用范围。本实施例中所述第一驱动件61可以参考前述实施例中所述第一驱动件的结构设置，此处不再累述。
进一步的，请一并参阅图1和图6，所述升降机构6包括第二驱动件62，所述第二驱动件62包括分别设置在所述绑定平台两侧的第一支架621和第二支架623，所述第一支架621上形成有第一滑轨622，所述第二支架623上形 成有第二滑轨624，所述第一滑轨622与所述第二滑轨624的滑动路径均垂直于所述绑定平面20，所述第一张紧部31活动连接所述第一滑轨622，所述第二张紧部32活动连接所述第二滑轨624。在本实施例中，所述第一张紧部31在所述第一滑轨622上滑动、所述第二张紧部32在所述第二滑轨624上滑动，从而使所述绑定平面20与所述张紧机构3上张紧的所述被绑定件之间产生相对的位移，所述绑定平面20可以压紧、贴合或者远离所述待绑定件。
进一步的，请一并参阅图1、图6和图7，所述绑定装置的所述第一张紧部31包括间隔设置的一对第一滚轮(311、312)，用以压住放置在所述第一滚轮(311、312)之间的待绑定件(例如，如图7所示的柔性显示面板4)的一端，此时，所述第一滚轮311压住所述柔性显示面板4的第一表面41，所述第二滚轮312压住所述柔性显示面板4的与第一表面41相对设置的第二表面42。当所述第一滚轮(311、312)与所述待绑定件(也即所述柔性显示面板4)之间的第一摩擦力f(如图4中，指向第一方向的摩擦力f)小于等于预定值时，所述第一滚轮(311、312)不滚动，当所述第一摩擦力f大于所述预定值时，所述第一滚轮(311、312)滚动，最终当所述第一滚轮(311、312)停止滚动时，所述第一摩擦力f降低至一个小于等于所述预定值的值。因此，所述第一张紧部31可以对所述柔性显示面板4施加一个小于等于所述预定值的张紧力。当然，在本实施例中，为了保证所述柔性显示面板4的一端不发生形变，所述第一滚轮311与所述第一表面41之间的第一摩擦力等于所述第一滚轮312与所述第二表面42之间的第一摩擦力。
同样的，在本实施例中，所述第二张紧部32包括间隔设置的一对第二滚轮(321、322)，用以压住放置在所述第二滚轮(321、322)之间的待绑定件(例如，如图4所示的柔性显示面板4)的另一端，此时，所述第二滚轮321压住所述柔性显示面板4的第一表面41，所述第二滚轮322压住所述柔性显示面板4的与第一表面41相对设置的第二表面42。当所述第二滚轮(321、322)与所述待绑定件(也即所述柔性显示面板4)之间的第二摩擦力f’(如图4中，指向第二方向的摩擦力f’)小于等于预定值时，所述第二滚轮(321、322)不滚动，当所述第二摩擦力f’大于所述预定值时，所述第二滚轮(321、322)滚动，最终当所述第二滚轮(321、322)停止滚动时，所述第二摩擦力f’降低至一个小于等于所述预定值的值。因此，所述第二张紧部32可以对所述柔性 显示面板4施加一个小于等于所述预定值的张紧力。当然，在本实施例中，为了保证所述柔性显示面板4的另一端不发生形变，所述第二滚轮321与所述第一表面41之间的第二摩擦力等于所述第二滚轮322与所述第二表面42之间的第二摩擦力。
在本实施例中，通过对所述第一滚轮(311、312)和所述第二滚轮(321、322)设置一个滚动阈值(也即所述预定值)，使得所述第一张紧部31与所述第二张紧部32所提供的张紧力小于等于所述预定值。换言之，当所述绑定装置用于绑定待绑定件时，例如绑定柔性显示面板，可以通过设置预定值的大小，来控制所述柔性显示面板所受到的张紧力的最大值，使所述张紧力不超过所述柔性显示面板的合理承受范围。因此所述张紧机构3可以在不破坏所述柔性显示面板的情况下，拉伸所述柔性显示面板使其保持平整，从而保障了绑定工艺中的绑定对位的准确度，也即可以通过一次压合动作即完成柔性显示面板与集成电路的绑定，绑定效率高、良品率高。
在本实施例中，所述预定值的设定依据可以有多种。举例而言，可以依据所述待绑定件的材料特性进行测试或者计算以得出所述预定值；可以依据经验数据推算出所述预定值；也可以进行绑定所述待绑定件的实验，由最佳的绑定效果来反推算所述预定值。只要是能够得出合理预定值以实现本发明目的即可，此处不再一一举例。
进一步的，可以通过设置所述第一滚轮(311、312)的外径与所述第二滚轮(321、322)的外径一致，并且所述第一滚轮(311、312)的外表面材质与所述第二滚轮(321、322)的外表面材质一致，以方便同时管理和调节所述第一张紧部31与所述第二张紧部32与所述柔性显示面板之间摩擦力的大小。
进一步的，可以通过替换或者改变所述第一滚轮和所述第二滚轮的外径大小、外表面材质以及两者之间的间距，来实现所述第一张紧部和所述第二张紧部与所述待绑定件之间的摩擦力大小的变化，同时也可以改变所述张紧机构的预定值的大小，以适应更多具有不同需求的绑定过程，提高所述绑定装置的通用性。
本发明实施例还提供一种柔性显示模组的绑定方法，请一并参阅图1、图7至图11，用于将集成电路5绑定在柔性显示面板4的第一绑定区40，所述绑定方法包括：
Step1：请一并参阅图1、图7和图8，所述张紧机构3张紧所述柔性显示面板4，使所述柔性显示面板4保持平整状态。
Step2：请一并参阅图1、图9和图10，升降机构6驱动绑定平台2的绑定平面20和/或所述张紧机构(31、32)移动，使所述绑定平面20顶起所述第一绑定区40。应当理解的是，所述顶起，也即从下面拱起，所述第一绑定区40被顶起时，所述柔性显示面板4的所述第一绑定区40相较其两侧相对突出，如图8所示。此时，所述第一绑定区40被张紧地压在所述绑定平面上，保持平整状态。
Step3：请参阅图11，对位所述集成电路5与所述第一绑定区40。进一步的，此步骤中对位所述集成电路5的第二绑定区50与所述第一绑定区40。
Step4：压合所述集成电路5与所述第一绑定区40，以形成所述柔性显示模组。进一步的，此步骤中压合所述集成电路5的第二绑定区50与所述第一绑定区40。
在本实施例中，所述柔性显示面板1在步骤Step1中被张紧，因此所述第一绑定区40初步具有一定的平整度，而后在步骤Step2中，所述第一绑定区40被压紧在所述绑定平面20上，此时的所述第一绑定区40具有很好的平整度，从而能够保障了绑定工艺中的绑定对位(也即步骤Step3)的准确度，也即可以通过一次压合动作(也即步骤Step4)即完成柔性显示面板与集成电路的绑定，有效提升待绑定件的绑定效率高以及良品率。
进一步的，请一并参阅图1、图7和图8，所述柔性显示面板4的所述第一绑定区40具有若干个焊盘400，当所述张紧机构3张紧所述柔性显示面板4时，所述张紧机构3提供的张紧力(如图5所示F)的方向与所述焊盘400的延伸方向一致。由于所述焊盘400在其长度方向上被张紧，因此相邻的焊盘400之间的间距不会在该张紧动作中发生变化，有利于后续绑定对位工序的顺利进行。
进一步的，在步骤Step2中，所述升降机构6驱动绑定平台2的绑定平面20和/或所述张紧机构(31、32)移动包括：
所述升降机构6驱动所述绑定平面20上升；
或者，所述升降机构6驱动所述张紧机构(31、32)下降；
或者，所述升降机构6驱动所述绑定平面20上升并驱动所述张紧机构(31、 32)下降。
应当理解的是，上述步骤均为了使得所述绑定平面20与所述张紧机构(31、32)之间产生相对的位移，进而使所述柔性显示面板4在所述绑定平台2和所述张紧机构(31、32)共同作用下，所述柔性显示面板4与所述绑定平面20接触的面平整。
举例而言，作为本发明的一种优选实施例，请一并参阅图1、图9和图10，在步骤Step2中，所述升降机构6驱动绑定平台2的绑定平面20和/或所述张紧机构(31、32)移动，使所述绑定平面20顶起所述第一绑定区40包括：
如图6所示，所述张紧机构3移动所述柔性显示面板4，使所述第一绑定区40的中心对齐所述绑定平面20的中心贴合；及
如图7所示，所述张紧机构3沿垂直于所述绑定平面的方向A继续移动所述柔性显示面板4，使所述第一绑定区40压紧在所述绑定平面20上。此时，所述张紧机构3实际移动的是所述柔性显示面板4的两端，所述第一绑定区40在所述柔性显示面板4的两端的拉力下，压紧在所述绑定平面20上，所述柔性显示面板4呈现“凸”型。
进一步的，作为本发明的另一种优选实施例，请一并参阅图1、图6和图7，在步骤Step2中，所述升降机构6驱动绑定平台2的绑定平面20和/或所述张紧机构(31、32)移动，使所述绑定平面20顶起所述第一绑定区40包括：
所述张紧机构3移动所述柔性显示面板4，使所述第一绑定区40的中心对齐所述绑定平面20的中心贴合；及
移动所述绑定平面20，使所述第一绑定区40压紧在所述绑定平面20上。此时，所述绑定平面20压紧所述第一绑定区，所述柔性显示面板4呈现“凸”型。
进一步的，在所述绑定方法中，所述张紧机构3所提供的张紧力小于等于某一个预定值，因此可以通过设置预定值的大小来控制所述张紧机构3的张紧力的最大值。换言之，在所述绑定方法的步骤Step1和步骤Step2中，所述张紧机构3对所述柔性显示面板4所施加的张紧力均小于所述预定值，设定所述预定值的大小不超过所述柔性显示面板的合理承受范围，进而实现在不破坏所述柔性显示面板的情况下，拉伸所述柔性显示面板使其保持平整。
应当注意的是，在本实施例中，所述绑定平面20(如图9和图10中20 所指向的加粗线位置处)为一个平整的平面，同时所述绑定平面20面积应当大于等于所述第一绑定区40的面积，从而进一步保障所述第一绑定区40在绑定工艺中的平整状态。进一步的，所述绑定平面20的面积仅略大于所述第一绑定区40的面积，以减少在压合步骤中，受到高温影响的柔性显示面板4的柔性基板的面积，进一步提高所述柔性显示模组的良品率。优选的，所述绑定平面20的面积与所述第一绑定区40的面积的比为1.2至1。请参阅图12，图12中所示绑定平面20的面积即略大于所述第一绑定区40的面积。
在本实施例中，所述预定值的设定依据可以有多种。举例而言，可以依据所述待绑定件的材料特性进行测试或者计算以得出所述预定值；可以依据经验数据推算出所述预定值；也可以进行绑定所述待绑定件的实验，由最佳的绑定效果来反推算所述预定值。只要是能够得出合理预定值以实现本发明目的即可，此处不再一一举例。
进一步的，请一并参阅图1、图7，在步骤Step1中，当所述张紧机构3张紧所述柔性显示面板4时，所述张紧机构3提供的张紧力的值小于所述预定值。此时，所述张紧机构3的第一滚轮(311、312)和第二滚轮(321、322)均不发生滚动。因为在步骤Step1中，仅需要初步张紧所述柔性显示面板4，因此并不需要施加很大的张紧力，可以在步骤Step2进一步加大所述张紧力，以实现所述柔性显示面板4的平整。
以上对本发明实施例进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (10)

  1. 一种绑定装置，其特征在于，所述绑定装置包括基架、以及设置在所述基架上的绑定平台、张紧机构及升降机构，
    所述张紧机构包括分别设置在所述绑定平台两侧的第一张紧部和第二张紧部，所述第一张紧部和所述第二张紧部分别连接至待绑定件的两端，用于张紧所述待绑定件；
    所述绑定平台包括绑定平面，所述绑定平面用于与所述待绑定件接触；
    所述升降机构驱动所述绑定平面和/或所述张紧机构，使得所述绑定平面与所述张紧机构之间产生相对的位移，在所述绑定平台和所述张紧机构共同作用下，使所述待绑定件与所述绑定平面接触的面平整。
  2. 如权利要求1所述的绑定装置，其特征在于，所述升降机构包括第一驱动件，所述第一驱动件连接所述绑定平台和所述基架，并且驱动所述绑定平台靠近或者远离所述基架。
  3. 如权利要求1所述的绑定装置，其特征在于，所述升降机构包括第一驱动件，所述绑定平台包括第一部分和第二部分，所述第一部分的上表面为绑定平面，所述第二部分固定在所述基架上，所述第一驱动件设置在所述第一部分和所述第二部分之间，用以驱动所述第一部分靠近或者远离所述第二部分。
  4. 如权利要求2或3所述的绑定装置，其特征在于，所述第一驱动件包括调距结构、长度相等的第一连杆和第二连杆，所述第一连杆的中部与所述第二连杆的中部铰接，所述调距结构用于调节所述第一连杆的一端与所述第二连杆的一端的间距。
  5. 如权利要求2所述的绑定装置，其特征在于，所述绑定平台包括第一凸台、第二凸台和第三凸台；
    所述第一驱动件驱动所述第一凸台上升，使所述第一凸台的上表面形成所述绑定平面；
    或者，所述第一驱动件驱动所述第一凸台和所述第二凸台上升，使所述第一凸台和所述第二凸台的上表面共面，以形成所述绑定平面；
    或者，所述第一驱动件所述第一凸台、所述第二凸台和所述第三凸台上升，使所述第一凸台、所述第二凸台和所述第三凸台的上表面共面，以形成所述绑 定平面。
  6. 如权利要求1所述的绑定装置，其特征在于，所述升降机构包括第二驱动件，所述第二驱动件包括分别设置在所述绑定平台两侧的第一支架和第二支架，所述第一支架上形成有第一滑轨，所述第二支架上形成有第二滑轨，所述第一滑轨与所述第二滑轨的滑动路径均垂直于所述绑定平面，所述第一张紧部活动连接所述第一滑轨，所述第二张紧部活动连接所述第二滑轨。
  7. 如权利要求1所述的绑定装置，其特征在于，所述第一张紧部包括一对彼此间隔相对设置的第一滚轮，用以夹持所述待绑定件的一端，并且当所述第一滚轮与所述待绑定件之间的第一摩擦力小于等于预定值时，所述第一滚轮不滚动，当所述第一摩擦力大于所述预定值时，所述第一滚轮滚动；
    所述第二张紧部包括一对彼此间隔相同设置的第二滚轮，用以夹持所述待绑定件的另一端，并且当所述第二滚轮与所述待绑定件之间的第二摩擦力小于等于所述预定值时，所述第二滚轮不滚动，当所述第二摩擦力大于所述预定值时，所述第二滚轮滚动。
  8. 一种柔性显示模组的绑定方法，用于将集成电路绑定在柔性显示面板的第一绑定区，其特征在于，所述绑定方法包括：
    张紧机构张紧所述柔性显示面板；
    升降机构驱动绑定平台的绑定平面和/或所述张紧机构移动，使所述绑定平面顶起所述第一绑定区；
    对位所述集成电路与所述第一绑定区；及
    压合所述集成电路与所述第一绑定区。
  9. 如权利要求8所述的柔性显示模组的绑定方法，其特征在于，所述第一绑定区具有若干个焊盘，所述张紧机构张紧所述柔性显示面板的方向与所述焊盘的延伸方向一致。
  10. 如权利要求8所述的柔性显示模组的绑定方法，其特征在于，所述升降机构驱动绑定平台的绑定平面和/或所述张紧机构移动包括：
    所述升降机构驱动所述绑定平面上升；
    或者，所述升降机构驱动所述张紧机构下降；
    或者，所述升降机构驱动所述绑定平面上升并驱动所述张紧机构下降。
PCT/CN2015/098415 2015-12-23 2015-12-23 绑定装置及柔性显示模组的绑定方法 WO2017107094A1 (zh)

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