WO2021232996A1 - 贴合装置及贴合方法 - Google Patents

贴合装置及贴合方法 Download PDF

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Publication number
WO2021232996A1
WO2021232996A1 PCT/CN2021/086268 CN2021086268W WO2021232996A1 WO 2021232996 A1 WO2021232996 A1 WO 2021232996A1 CN 2021086268 W CN2021086268 W CN 2021086268W WO 2021232996 A1 WO2021232996 A1 WO 2021232996A1
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WO
WIPO (PCT)
Prior art keywords
movable base
curved cover
movable
flexible panel
cover plate
Prior art date
Application number
PCT/CN2021/086268
Other languages
English (en)
French (fr)
Other versions
WO2021232996A9 (zh
Inventor
刘少奎
青威
莫文蔚
汤强
刘兴国
宋慧强
熊韧
Original Assignee
京东方科技集团股份有限公司
成都京东方光电科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司, 成都京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US17/636,095 priority Critical patent/US11897240B2/en
Publication of WO2021232996A1 publication Critical patent/WO2021232996A1/zh
Publication of WO2021232996A9 publication Critical patent/WO2021232996A9/zh

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    • 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
    • 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
    • B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
    • 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
    • B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
    • B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • B32B38/1866—Handling of layers or the laminate conforming the layers or laminate to a convex or concave profile
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/67121—Apparatus for making assemblies not otherwise provided for, e.g. package constructions
    • 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
    • B32B2037/1253—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives curable adhesive
    • 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
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • 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
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/206—Organic displays, e.g. OLED
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/311—Flexible OLED

Definitions

  • the present disclosure relates to the field of display technology, and in particular, to a bonding device and a bonding method.
  • OLED Organic Light Emitting Display
  • the purpose of the present disclosure is to provide a bonding device and a bonding method, which can improve the bonding uniformity of the curved cover plate and the flexible panel, reduce bonding bubbles, and improve the product yield.
  • a first aspect of the present disclosure provides a bonding device for bonding a flexible panel to a curved cover plate, the curved cover plate having a central area and an edge bending area located in the central area in a first direction ,
  • the laminating device includes a movable mechanism, which is arranged opposite to the curved cover plate in the second direction, and the movable mechanism includes:
  • a second movable base which is arranged opposite to the first movable base in the first direction;
  • An elastic support member having an elastic support portion, the elastic support portion covering a portion of the first movable base and the second movable base close to the curved cover plate, and is used to fix the flexible panel;
  • the movable mechanism can move in a direction close to the curved cover plate, so that the flexible panel fits the central area;
  • the first movable base and the second movable base can move away from each other in the first direction, so that the flexible panel fits the edge bending area.
  • the activity mechanism further includes:
  • a first fixed slide rail, the first movable base is slidably mounted on the first fixed slide rail, and the first movable base slides relative to the first fixed slide rail in the first direction;
  • a second fixed slide rail, the second movable base is slidably mounted on the second fixed slide rail, and the second movable base slides relative to the second fixed slide rail in the first direction;
  • the movable base has a first pushing inclined surface that matches with the first movable base and a second pushing inclined surface that matches with the second movable base;
  • the first driving member is connected with the movable base and is used to drive the movable base to move closer to or away from the central area of the curved cover plate;
  • the first driving member drives the movable base to move in a direction close to the central area of the curved cover plate
  • the first pushing inclined surface and the second pushing inclined surface respectively push the first movable base and
  • the second movable abutment moves away from each other in the first direction.
  • the first movable abutment and the second movable abutment are further provided with a reset elastic member, wherein:
  • the first driving member drives the movable base to move in a direction close to the central area of the curved cover plate, the first movable base and the second movable base move in the first direction Move away from each other and cause the elastic deformation of the reset elastic member;
  • the reset elastic member resumes its elastic deformation to drive the first movable base and the second movable base.
  • the movable abutments move in the direction of approaching each other in the first direction.
  • the activity mechanism further includes:
  • a second driving member connected to the first movable base, and used to drive the first movable base to move closer to or away from the second movable base in the first direction;
  • the third driving member is connected with the second movable base, and is used for driving the second movable base to move in the first direction toward or away from the first movable base.
  • the first movable base and the second movable base include a supporting table covered with the elastic supporting part and a supporting table located far from the elastic supporting part.
  • the fixed table of the first movable base and the supporting table of the second movable base are provided with a sawtooth structure on the surfaces facing each other and mesh with each other;
  • the elastic support member further includes a fixing portion extending from both ends of the elastic support portion in a direction close to the fixing table, and the fixing portion is connected with the fixing table so that the elastic support member is fixed on the fixing table.
  • the first movable base and the second movable base are connected with the fixing table so that the elastic support member is fixed on the fixing table.
  • the saw-tooth structure is formed by successively splicing a plurality of tooth parts, and the shape of the plurality of tooth parts is at least one of a rectangle and an arc shape.
  • the fixing portion has a first extension section and a second extension section
  • One end of the first extension section is connected with the second extension section, and the other end is inclined in a direction away from the center of the elastic support part and connected with the end of the elastic support part;
  • a fixing hole is provided on the second extension section, and the fixing hole is used to allow one end of the locking member to pass through and be connected to the fixing platform.
  • the carrier film includes a bonding portion for bonding with the flexible panel and connecting portions located on opposite sides of the bonding portion in the first direction, and the bonding portion is supported on the elastic support portion superior;
  • a clamping adjustment mechanism connected to the connecting portion and capable of applying a clamping force to it, so that the fitting portion and the elastic support portion are fitted;
  • the clamping adjustment mechanism can reduce the clamping applied to the connecting portion force.
  • a glue layer for bonding with the flexible panel is provided on the bonding portion.
  • the central area of the curved cover is a flat area;
  • the elastic support portion has a flat part and edges located on opposite sides of the flat part in the first direction Bending part, of which,
  • the flat part is used to apply pressure to the flexible panel so that the flexible panel fits with the central area of the curved cover plate;
  • the edge bending part is used to apply pressure to the flexible panel to make the flexible panel fit the edge bending area of the curved cover plate.
  • the elastic support member is a silicone member.
  • a second aspect of the present disclosure provides a bonding method for bonding a flexible panel to a curved cover plate, the curved cover plate having a central area and an edge bending area located in the central area in a first direction , wherein the bonding method adopts the bonding device described in any one of the foregoing, and the bonding method includes:
  • the first movable base and the second movable base are driven to move away from each other in the first direction, so that the flexible The panel is attached to the edge bending area.
  • the clamping force applied to the connecting portion is reduced by the clamping adjustment mechanism.
  • Fig. 1 shows a schematic plan view of a laminating device according to an embodiment of the present disclosure
  • Figure 2 shows a schematic diagram of the process of attaching the flexible panel to the curved cover plate by the laminating device described in Figure 1;
  • Fig. 3 shows a three-dimensional schematic diagram of a laminating device according to another embodiment of the present disclosure
  • Fig. 4 shows a schematic plan view of the laminating device according to another embodiment of the present disclosure
  • FIG. 5 shows a schematic diagram of the assembly relationship between the laminating device described in FIG. 4 and the flexible panel and the positional relationship with the curved cover plate;
  • FIGS. 6a and 6b show schematic diagrams of the positional relationship between the first movable abutment and the second movable abutment of the laminating device according to different embodiments of the present disclosure in an engaged state;
  • FIG. 7 shows a schematic diagram of the positional relationship between the first movable base and the second movable base of the laminating device described in FIG. 6a in a separated state
  • FIG. 8 shows a flow chart of the bonding method according to an embodiment of the present disclosure
  • 9 to 12 show schematic diagrams respectively showing the process of bonding the flexible panel and the curved cover plate by using the bonding device according to an embodiment of the present disclosure in different steps.
  • on can mean that one layer is directly formed or disposed on another layer, or can mean a layer A layer is formed indirectly or arranged on another layer, that is, there are other layers between the two layers.
  • first may be used herein to describe various components, components, elements, regions, layers and/or parts, these components, components, elements, regions, and layers And/or part should not be limited by these terms. Rather, these terms are used to distinguish one component, member, element, region, layer, and/or section from another.
  • an embodiment of the present disclosure provides a bonding device, which is not only suitable for bonding a flexible panel with a curved cover plate of small curvature, but also suitable for making a flexible panel and a curved cover plate of large curvature conform to each other. fit.
  • the curved cover 10 has a central area 10a and an edge bending area 10b located in the central area 10a in the first direction X; in the embodiment of the present disclosure, two edge bending areas 10b are provided , Are respectively located on opposite sides of the central area 10a in the first direction X.
  • the laminating device may include a movable mechanism, which can be arranged opposite to the curved cover 10 in a second direction, and the second direction and the first direction X may be arranged at an angle according to process requirements; in the embodiment of the present disclosure
  • the second direction may be perpendicular to the first direction X.
  • the second direction may be the thickness direction Y of the central area 10a of the curved cover 10, as shown in FIGS. 2 and 5, but not limited to this.
  • the second direction may also be a direction perpendicular to the thickness direction Y and the first direction X at the same time.
  • the movable mechanism may include a first movable base 12a, a second movable base 12b, and an elastic support 13; the second movable base 12b and the first movable base 12a are in the second
  • the elastic support 13 has an elastic support 130, which covers the first movable base 12a and the second movable base 12b near the curved cover 10, and is used to fix the flexible Panel 11. It should be understood that, in order to enable the flexible panel 11 on the elastic support portion 130 to be completely attached to the curved cover plate 10, the shape of the elastic support portion 130 can be matched with the shape of the curved cover plate 10.
  • the central area 10a of the curved cover 10 can be a flat area; and as shown in FIGS. 1 to 5, the elastic support portion 130 has a flat portion 1301 and a flat portion 1301 in The edge bending parts 1302 on opposite sides in the first direction X, wherein the flat part 1301 is used to apply pressure to the flexible panel 11 so that the flexible panel 11 fits the central area 10a of the curved cover plate 10; the edge bending part 1302 is used to apply pressure to the flexible panel 11 to make the flexible panel 11 fit with the edge bending area 10b of the curved cover plate 10.
  • the central area 10a of the curved cover 10 can be set not only as a flat area, but also as an arc-shaped area.
  • the elastic support portion 130 can be set.
  • the part that matches the curved cover 10 is set as an arc, and the distance between this arc and the corresponding positions in the arc area of the curved cover 10 should be equal to ensure that the arc and the curved cover 10 The curved area fits tightly.
  • the movable mechanism of the embodiment of the present disclosure can move in a direction close to the curved cover 10, and the moving direction is the direction shown by the hollow arrow in FIG. 9, so that the flexible panel 11 on the elastic support portion 130 is located on the curved cover 10. And make the flexible panel 11 fit the central area 10a, as shown in Figure 10; and the first movable base 12a and the second movable base 12b can move away from each other in the first direction X,
  • This moving direction is shown by the left and right arrows shown in Figure 2 and Figure 11, that is, the first movable base 12a and the second movable base 12b can respectively be located toward the edge bending area 10b corresponding to the first movable base 12a and the second movable base 12b. Move the position of, so that the flexible panel 11 fits with the edge bending area 10b, as shown in FIG. 2 and FIG. 11.
  • the elastic support portion 130 has a certain degree of elasticity, when the first movable base 12a and the second movable base 12b move away from each other in the first direction X, the elastic support portion 130 can The elastic deformation occurs, and pressure can be applied to the flexible panel 11 to make the flexible panel 11 fit the edge bending area 10b; and when the first movable base 12a and the second movable base 12b face in the first direction X When moving in a direction close to each other, that is, when the first movable base 12a and the second movable base 12b are reset, the elastic support portion 130 can recover elastic deformation.
  • the elastic supporting member 13 may be a silicone member, that is, it is made of a silicone material, but it is not limited to this, and may also be made of other elastic materials.
  • the curved cover 10 can be fixed first, that is, the position of the curved cover 10 is determined, and then the movable mechanism and the curved cover 10 are arranged oppositely, and the flexible panel 11 is fixed on the elastic support part 130 of the movable mechanism, as shown in FIG.
  • the panel 11 is located on the inner side of the curved cover 10, and then the movable mechanism can be driven to move in a direction close to the central area 10a of the curved cover 10 to apply pressure to the flexible panel 11 so that the central area of the flexible panel 11 and the curved cover 10 10a is attached, as shown in Figures 9 and 10; after the flexible panel 11 is attached to the central area 10a of the curved cover 10, the first movable base 12a and the second movable base 12b can be driven away from each other Move in the direction of, to apply sufficient pressure to the flexible panel 11, so that the flexible panel 11 fits with the edge bending area 10b of the curved cover plate 10, as shown in Figure 2 or Figure 11; this design can not only ensure the flexible panel
  • the tightness of the fit between 11 and the central area 10a of the curved cover 10 can also ensure the tightness of the fit between the flexible panel 11 and the edge bending area 10b of the curved cover 10, thereby improving the uniformity of the fit , To reduce bonding bubbles and improve product yield.
  • the entire movable mechanism can be driven to continue to move toward the central area 10a of the curved cover plate 10, so as to further ensure that the flexible panel 11 and the curved surface The cover plate 10 is fully attached.
  • the flexible panel 11 and the curved cover plate 10 are attached by a movable mechanism, which can ensure that the pressure in the side bending area is controllable, so as to avoid the gaps that generate bubbles and cracks during the attaching process.
  • the laminating device has a simple structure, low cost, and wide application range.
  • the flexible panel 11 mentioned in the embodiment of the present disclosure may be an OLED display panel attached with OCA optical glue; the curved cover 10 may be a glass cover.
  • the embodiment of the present disclosure may further include a driving mechanism, which is connected with the movable mechanism, and is used to drive the movable mechanism as a whole to move closer to or away from the curved cover plate 10.
  • the driving mechanism may be a driving motor or a driving cylinder, etc. structure.
  • the movable mechanism can drive the flexible panel 11 on the elastic support portion 130 from the curved cover 10
  • the bottom opening 100 enters the inner side of the curved cover plate 10. It should be noted that the bottom opening 100 is an opening formed between the ends of the bending area 10b on both sides away from the central area 10a, as shown in the curved cover plate in FIG.
  • the area at the bottom of the dotted line in 10 can be understood as the bottom opening 100.
  • the movable mechanism can drive the flexible panel 11 on the elastic support portion 130 from the curved cover 10
  • the side opening 101 enters the inner side of the curved cover 10. It should be noted that this side opening 101 is an opening formed between the sides of the edge bending area 10b on both sides, as shown in the curved cover 10 in FIG.
  • the upper area can be understood as the bottom opening 100. It should be understood that the dotted line shown in FIG. 5 has no actual meaning, and is only used to divide the side opening 101 and the bottom opening 100 in the curved cover plate 10 to facilitate understanding.
  • the flexible panel 11 Since the size of the bottom opening 100 of the curved cover 10 is small, in order to prevent the flexible panel 11 from coming into contact with the edge bending area 10b of the curved cover 10 in advance from the bottom opening 100 into the inner side of the curved cover 10, If the bonding fails, the flexible panel 11 needs to be bent and shrunk first, so that the volume of the flexible panel 11 can be reduced to be able to smoothly enter the inner side of the curved cover 10 from the bottom opening 100 and not be with the curved cover 10 The degree of contact in advance; in addition, when the movable mechanism drives the flexible panel 11 on the elastic support 130 from the bottom opening 100 of the curved cover 10 to the inside of the curved cover 10, the flexible panel 11 is required to be on the first movable base 12a and the second movable base 12b slowly expand when moving away from each other in the first direction X, so that the flexible panel 11 can contact and fit the edge bending area 10b of the curved cover plate 10; in order to achieve In this process, in the embodiment of the present disclosure,
  • the carrier film 16 may include a bonding part 160 for bonding to the flexible panel 11 and a connecting part 161 located on opposite sides of the bonding part 160 in the first direction X, and the bonding part 160 is supported on the elastic support part 130;
  • the clamping adjustment mechanism 17 is connected to the connecting portion 161 and can apply a clamping force to it, so that the bonding portion 160 is bonded to the elastic support portion 130, and the supporting film 16 and the flexible panel 11 thereon are bent and contracted.
  • the volume of the flexible panel 11 is reduced to the extent that it can smoothly enter the inner side of the curved cover 10 from the bottom opening 100 and does not contact the curved cover 10 in advance.
  • the bending and shrinking of the carrier film 16 can also ensure The carrier film 16 is stably supported on the elastic support 130; and when the first movable base 12a and the second movable base 12b move away from each other in the first direction X, that is, when the flexible panel During the process of attaching 11 to the edge bending area 10b of the curved cover plate 10, the clamping adjustment mechanism 17 can reduce the clamping force exerted on the connecting portion 161, so that the supporting film 16 and the flexible panel 11 thereon are appropriate Unfolded, so that the flexible panel 11 can completely contact and closely adhere to the edge bending area 10b of the curved cover plate 10, as shown in FIG. 11, so that the bonding yield can be ensured.
  • the shape of the part on the flexible panel 11 corresponding to the central area 10a of the curved cover 10 is the same as the shape of the central area 10a of the curved cover 10, and This part first comes into contact with the central area 10a of the curved cover 10.
  • the main purpose is to make the side of the flexible panel 11. The part is unfolded to ensure that the side of the flexible panel 11 is in full contact with the edge bending area 10b of the curved cover plate 10. This process basically does not affect the part of the flexible panel 11 corresponding to the central area 10a of the curved cover plate 10 shape.
  • the clamping adjustment mechanism 17 can remove the clamping force applied to the connecting portion 161.
  • two clamping adjustment mechanisms 17 may be provided, which are respectively connected to the connecting portions 161 on both sides of the fitting portion 160. But it is not limited to this, you can also set one.
  • the clamping adjustment mechanism 17 may be a vacuum suction clamp, but it is not limited to this, and any structure can be adopted as long as the above-mentioned objective can be achieved.
  • the bonding portion 160 may be provided with a glue layer (not shown in the figure) for bonding with the flexible panel 11, that is, the flexible panel 11 is bonded to the bonding portion 160 through the glue layer.
  • the bonding part 160 can be made of resin material
  • the glue layer can be made of a material that loses its adhesion under UV (ultraviolet) irradiation, so that the flexible panel 11 and the curved cover 10 are completely tightly attached Afterwards, the adhesive layer is irradiated by UV to make the adhesive layer lose its viscosity, so that the carrier film 16 can be detached from the flexible panel 11.
  • the movable mechanism further includes a first fixed slide rail 14a, a second fixed slide rail 14b, a movable base 15 and a first driving member (not shown in the figure).
  • the first movable base 12a is slidably mounted on the first fixed slide rail 14a, and the first movable base 12a is slid relative to the first fixed slide rail 14a in the first direction X;
  • the second movable base 12b is slidably installed On the second fixed slide rail 14b, and the second movable base 12b slides relative to the second fixed slide rail 14b in the first direction X;
  • the movable base 15 has a first pushing slope 150 that cooperates with the first movable base 12a And the second pushing inclined surface 151 matched with the second movable base 12b;
  • the first driving member is connected with the movable base 15 for driving the movable base 15 to move closer to or away from the central area 10a of the curved cover plate 10; wherein ,
  • the first movable base 12a and the second movable base 12b are also provided with a reset elastic member (not shown in the figure), wherein the first driving member drives the movable base 15 toward the surface close to the curved cover 10 When the direction of the central area 10a moves, the first movable base 12a and the second movable base 12b move away from each other in the first direction X, and the reset elastic member is elastically deformed; the first driving member drives the movement When the base 15 moves in a direction away from the central area 10a of the curved cover plate 10, the reset elastic member restores its elastic deformation to drive the first movable base 12a and the second movable base 12b to approach each other in the first direction X sports.
  • the movable mechanism may include a frame (not shown in the figure) for fixing the first fixed slide rail 14a and the second fixed slide rail 14b. And one end of the reset elastic member can be fixed on the first movable base 12a (the second movable base 12b), and the other end can be connected to the rack, the first fixed slide rail 14a (the second fixed slide rail 14b) and other fixed structures .
  • the reset elastic member can be a spring or rubber structure, but it is not limited thereto.
  • the reset elastic member can be arranged inside the first fixed sliding rail 14a (the second fixed sliding rail 14b), but is not limited to this, and can also be arranged outside, depending on the specific situation.
  • the first movable base 12a and the second movable base 12b in the movable mechanism are not limited to adopting the structure of the foregoing embodiment to realize their movement in the first direction X; in other embodiments, as shown in FIG. 3 and FIG. 4, the movable mechanism may also include a second driving member (not shown in FIGS. 3 and 4) and a third driving member (not shown in FIGS.
  • the second driving member and the first movable base The table 12a is connected to drive the first movable base 12a to move closer to or away from the second movable base 12b in the first direction X; the third driving member is connected to the second movable base 12b for driving the second movable base 12b The second movable base 12b moves in the first direction X toward or away from the first movable base 12a.
  • first driving member second driving member
  • third driving member may be a structure such as a driving motor or a driving cylinder.
  • the first movable base 12a and the second movable base 12b may include a supporting base 120 covered with an elastic supporting portion 130 and a supporting base 120 located away from the elastic supporting portion 130.
  • the fixed table 121 as shown in Figures 6 and 7, the supporting table 120 of the first movable base 12a and the supporting table 120 of the second movable base 12b are provided with a sawtooth structure and meshing with each other on the surfaces facing each other.
  • the zigzag structure on the first movable abutment 12a and the second movable abutment 12b can still oppose the middle part of the elastic support 130 Play a certain supporting role, so as to ensure the bonding pressure of the flexible panel 11 and the central area 10a of the curved cover plate 10 during the bonding process, thereby improving the bonding uniformity.
  • the sawtooth structure is formed by successively splicing a plurality of teeth 1201.
  • the shape of the plurality of teeth may be rectangular, so as to ensure the area of the middle portion supporting the elastic support portion 130; in other embodiments, as shown in FIG. 6b
  • the shape of the plurality of teeth may be arc-shaped, so that while ensuring the area of the middle part of the elastic support 130, the teeth in the first movable abutment 12a and the second movable abutment 12b can also be relieved.
  • the service life of the first movable abutment 12a and the second movable abutment 12b can be prolonged; or in other embodiments, the sawtooth
  • the shape of the plurality of teeth 1201 in the structure may include a rectangle and an arc shape, wherein the rectangular teeth and the arc teeth may be alternately arranged.
  • tooth 1201 in the sawtooth structure in the implementation of the present disclosure is not limited to the above-mentioned shape, and may also have other shapes, such as trapezoid, triangle, etc.
  • the elastic support 13 may further include a fixing portion 131 extending from both ends of the elastic supporting portion 130 in a direction close to the fixing table 121, and the fixing portion 131 is connected to the fixing table 121. 121 is connected to fix the elastic support 13 on the first movable base 12a and the second movable base 12b.
  • the fixing portion 131 may have a first extension section 1310 and a second extension section 1311, one end of the first extension section 1310 is connected to the second extension section 1311, and the other end is away from the elastic support portion
  • the central direction of 130 is inclined and is connected to the end of the elastic support part 130;
  • the second extension 1311 is provided with a fixing hole 1312, and the fixing hole 1312 is used to allow one end of the locking member to pass through and be connected to the fixing table 121 to ensure
  • the connection between the elastic support 13 and the first movable base 12a and the second movable base 12b is stable.
  • the elastic support 13, the first movable base 12a, the second movable base 12b, and the supporting film 16 mentioned in the embodiment of the present disclosure may all be an integrated structure to ensure structural strength.
  • the laminating device may further include a jig for fixing the curved cover plate 10, and the jig can be arranged opposite to the movable mechanism in the second direction.
  • the fixture may be a vacuum suction mechanism, but it is not limited to this, and may also be other fixing mechanisms.
  • An embodiment of the present disclosure also provides a bonding method for bonding the flexible panel 11 to the curved cover plate 10.
  • the bonding method can use the bonding device described in any of the preceding embodiments.
  • the bonding method includes:
  • Step S100 fix the curved cover 10
  • Step S102 setting the movable mechanism and the curved cover 10 opposite to each other;
  • Step S104 fixing the flexible panel 11 on the elastic supporting portion 130;
  • Step S106 driving the movable mechanism to move in a direction close to the curved cover plate 10, so that the flexible panel 11 is attached to the central area 10a, as shown in FIGS. 9 and 10;
  • Step S108 after the flexible panel 11 is attached to the central area 10a, the first movable base 12a and the second movable base 12b are driven to move away from each other in the first direction X, so that the flexible panel 11 and the edge The bending areas 10b are attached to each other, as shown in FIG. 11.
  • the movable mechanism is driven to move in the direction close to the curved cover 10, so that the flexible panel 11 on the elastic support portion 130 is located inside the curved cover 10, and then the movable mechanism can be continuously driven to approach the curved cover 10 as a whole.
  • the central area 10a of the curved cover plate 10 moves in the direction to apply pressure to the flexible panel 11, so that the flexible panel 11 and the central area 10a of the curved cover plate 10 are attached, and then in the central area of the flexible panel 11 and the curved cover plate 10
  • the first movable base 12a and the second movable base 12b can be driven to move away from each other to apply pressure to the flexible panel 11, so that the edge of the flexible panel 11 and the curved cover 10 are bent.
  • the clamping adjustment mechanism 17 can reduce The clamping force applied to the connecting portion 161.
  • the bonding method may include:
  • step S200 the flexible panel 11 is attached to the attaching portion 160 of the supporting film 16, and placed on the elastic supporting portion 130 of the elastic supporting member 13, and then a clamp is applied to the connecting portion 161 of the supporting film 16 through the clamping adjustment mechanism 17 Tightening force to achieve pre-bending forming; as shown in Figure 5, the movable mechanism is moved up to 1mm inside the curved cover 10, and the carrier film 16 needs to be bound in place to prevent the movable mechanism from contacting the curved cover in advance during the upward movement. Board 10, which leads to failure of fitting;
  • step S202 the movable mechanism slowly moves upward, as shown in FIG. 9, to realize the first contact between the flexible panel 11 and the inner side of the central area 10a of the curved cover plate 10, as shown in FIG.
  • the state of the tightening adjustment mechanism 17 is the same as that of step S200, ensuring that the flexible panel 11 is in a pre-tensioned state, and avoiding the flexible panel 11 from tilting;
  • Step S204 drive the first movable base 12a and the second movable base 12b to move away from each other in the first direction X, as shown in FIG. 11, give the edge bending area of the flexible panel 11 and the curved cover 10 10b sufficient bonding pressure; at this time, the clamping adjustment mechanism 17 is adjusted accordingly, that is, the clamping force applied on the connecting portion 161 is reduced; the flexible panel 11 and the curved cover 10 are bonded at the edge bending area 10b After completion, the moving mechanism is given an upward force as a whole, so that the flexible panel 11 and the curved cover plate 10 are fully attached, and then the clamping adjustment mechanism 17 removes the clamping force;
  • step S206 after the lamination is completed, the first movable base 12a and the second movable base 12b are driven to move closer to each other, that is, reset; then the entire movable mechanism is driven to move down to the initial position, as shown in FIG. 12 , Complete the entire fitting process.

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Abstract

一种贴合装置及贴合方法。该贴合装置用于使柔性面板（11）与曲面盖板（10）相贴合，曲面盖板（10）具有中心区（10a）和位于中心区（10a）在第一方向（X）上的边缘弯折区（10b），其中，贴合装置包括活动机构，与曲面盖板（10）在第二方向（Y）上相对设置，且活动机构包括：在第一方向（X）上相对设置的第一活动基台（12a）和第二活动基台（12b）；弹性支撑件（13），具有弹性支撑部（130），弹性支撑部（130）覆盖在第一活动基台（12a）和第二活动基台（12b）靠近曲面盖板（10）的部位上，并用于固定柔性面板（11）；其中，活动机构能够向靠近曲面盖板（10）的方向移动，并使柔性面板（11）与中心区（10a）相贴合；第一活动基台（12a）和第二活动基台（12b）能够在第一方向（X）上向远离彼此的方向移动，以使柔性面板（11）与边缘弯折区（10b）相贴合。该贴合装置能够提高曲面盖板（10）与柔性面板（11）的贴合均匀性。

Description

贴合装置及贴合方法
交叉引用
本公开要求于2020年05月18日提交的申请号为202010419387.X名称为“贴合装置及贴合方法”的中国专利申请的优先权，该中国专利申请的全部内容通过引用全部并入本文。
技术领域
本公开涉及显示技术领域，具体而言，涉及一种贴合装置及贴合方法。
背景技术
目前，OLED(有机发光显示)显示屏已经广泛的应用于各种电子产品中，且随着曲面屏的开发，大弯折曲率盖板成为一种新趋势，这就对曲面盖板与柔性面板的全贴合方法提出了更高的要求。
公开内容
本公开的目的在于提供一种贴合装置及贴合方法，能够提高曲面盖板与柔性面板的贴合均匀性，减少贴合气泡，提升产品良率。
本公开第一方面提供了一种贴合装置，用于使柔性面板与曲面盖板相贴合，所述曲面盖板具有中心区和位于所述中心区在第一方向上的边缘弯折区，所述贴合装置包括活动机构，与所述曲面盖板在第二方向上相对设置，且所述活动机构包括：
第一活动基台；
第二活动基台，与所述第一活动基台在所述第一方向上相对设置；
弹性支撑件，具有弹性支撑部，所述弹性支撑部覆盖在所述第一活动基台和所述第二活动基台靠近所述曲面盖板的部位上，用于固定所述柔性面板；其中，
所述活动机构能够向靠近所述曲面盖板的方向移动，以使所述柔性面板与所述中心区相贴合；
所述第一活动基台和所述第二活动基台能够在所述第一方向上向远离彼此的方向移动，以使所述柔性面板与所述边缘弯折区相贴合。
在本公开的一种示例性实施例中，所述活动机构还包括：
第一固定滑轨，所述第一活动基台滑动安装在所述第一固定滑轨上，且所述第一活动基台在所述第一方向上相对所述第一固定滑轨滑动；
第二固定滑轨，所述第二活动基台滑动安装在所述第二固定滑轨上，且所述第二活动基台在所述第一方向上相对所述第二固定滑轨滑动；
活动基底，具有与所述第一活动基台相配合的第一推动斜面和与所 述第二活动基台相配合的第二推动斜面；
第一驱动件，与所述活动基底连接，用于驱动所述活动基底向靠近或远离所述曲面盖板的中心区的方向运动；其中，
在所述第一驱动件驱动所述活动基底向靠近所述曲面盖板的中心区的方向移动时，所述第一推动斜面和所述第二推动斜面分别推动所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向运动。
在本公开的一种示例性实施例中，所述第一活动基台和所述第二活动基台中还设置有复位弹性件，其中，
在所述第一驱动件驱动所述活动基底向靠近所述曲面盖板的中心区的方向移动时，所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向运动，并使所述复位弹性件发生弹性形变；
在所述第一驱动件驱动所述活动基底向远离所述曲面盖板的中心区的方向移动时，所述复位弹性件恢复弹性形变，以带动所述第一活动基台和所述第二活动基台在所述第一方向上向靠近彼此的方向运动。
在本公开的一种示例性实施例中，所述活动机构还包括：
第二驱动件，与所述第一活动基台连接，用于驱动所述第一活动基台在所述第一方向上向靠近或远离所述第二活动基台的方向运动；
第三驱动件，与所述第二活动基台连接，用于驱动所述第二活动基台在所述第一方向上向靠近或远离所述第一活动基台的方向运动。
在本公开的一种示例性实施例中，所述第一活动基台和所述第二活动基台包括覆盖有所述弹性支撑部的支撑台和位于所述支撑台远离所述弹性支撑部的固定台，所述第一活动基台的支撑台与所述第二活动基台的支撑台中朝向彼此的面设置有锯齿结构并相互啮合；
所述弹性支撑件还包括自所述弹性支撑部的两端向靠近所述固定台的方向延伸的固定部，所述固定部与所述固定台连接，以使所述弹性支撑件固定在所述第一活动基台和所述第二活动基台上。
在本公开的一种示例性实施例中，所述锯齿结构由多个齿部依次拼接而成，所述多个齿部的形状为矩形、圆弧形中的至少一种。
在本公开的一种示例性实施例中，所述固定部具有第一延伸段和第二延伸段，
所述第一延伸段的一端与所述第二延伸段连接，另一端向远离所述弹性支撑部的中心方向倾斜并与所述弹性支撑部的端部连接；
所述第二延伸段上设置有固定孔，所述固定孔用以供锁紧件的一端穿过并与所述固定台连接。
在本公开的一种示例性实施例中，还包括：
承载膜，包括用于与所述柔性面板贴合的贴合部及位于所述贴合部在所述第一方向上相对两侧的连接部，所述贴合部支撑在所述弹性支撑部上；
夹紧调节机构，与所述连接部连接并能够向其施加夹紧力，以使得所述贴合部与所述弹性支撑部贴合；其中，
当所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向移动时，所述夹紧调节机构能够减小施加在所述连接部上的夹紧力。
在本公开的一种示例性实施例中，所述贴合部上设置有用以与所述柔性面板粘接的胶层。
在本公开的一种示例性实施例中，所述曲面盖板的中心区为平面区；所述弹性支撑部具有平面部分及位于所述平面部分在所述第一方向上相对两侧的边缘弯折部分，其中，
所述平面部分用以向所述柔性面板施加压力，以使所述柔性面板与所述曲面盖板的中心区贴合；
所述边缘弯折部分用以向所述柔性面板施加压力，以使所述柔性面板与所述曲面盖板的边缘弯折区贴合。
在本公开的一种示例性实施例中，所述弹性支撑件为硅胶件。
本公开第二方面提供了一种贴合方法，用于使柔性面板与曲面盖板相贴合，所述曲面盖板具有中心区和位于所述中心区在第一方向上的边缘弯折区，其中，所述贴合方法采用前述任一项所述的贴合装置，且所述贴合方法包括：
固定所述曲面盖板；
使所述活动机构与所述曲面盖板相对设置；
将所述柔性面板固定在所述弹性支撑部上；
驱动所述活动机构向靠近所述曲面盖板的方向移动，以使所述柔性面板与所述中心区相贴合；
在所述柔性面板与所述中心区相贴合之后，驱动所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向移动，以使所述柔性面板与所述边缘弯折区相贴合。
在本公开的一种示例性实施例中，应用于上述一所述的贴合装置，所述贴合方法中，当驱动所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向移动时，通过夹紧调节机构减小施加在所述连接部上的夹紧力。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。显而易见地，下面描述中的附图仅仅是本公开的一些实施例，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示出了本公开一实施例所述的贴合装置的平面示意图；
图2示出了图1中所述的贴合装置用于将柔性面板与曲面盖板贴合的过程示意图；
图3示出了本公开另一实施例所述的贴合装置的立体示意图；
图4示出了本公开又一实施例所述的贴合装置的平面示意图；
图5示出了图4中所述的贴合装置与柔性面板的装配关系及与曲面盖板的位置关系的示意图；
图6a和图6b示出了本公开不同实施例所述的贴合装置的第一活动基台和第二活动基台在啮合状态下的位置关系示意图；
图7示出了图6a中所述的贴合装置的第一活动基台和第二活动基台在分开状态下的位置关系示意图；
图8示出了本公开一实施例所述的贴合方法的流程图；
图9至图12示出了分别示出了在不同步骤下利用本公开一实施例所述的贴合装置使柔性面板与曲面盖板贴合的过程示意图。
具体实施方式
下面通过实施例，并结合附图，对本公开的技术方案作进一步具体的说明。在说明书中，相同或相似的附图标号指示相同或相似的部件。下述参照附图对本公开实施方式的说明旨在对本公开的总体发明构思进行解释，而不应当理解为对本公开的一种限制。
另外，在下面的详细描述中，为便于解释，阐述了许多具体的细节以提供对本披露实施例的全面理解。然而明显地，一个或多个实施例在没有这些具体细节的情况下也可以被实施。
需要说明的是，本文中所述的“在……上”、“在……上形成”和“设置在……上”可以表示一层直接形成或设置在另一层上，也可以表示一层间接形成或设置在另一层上，即两层之间还存在其它的层。
用语“一个”、“一”、“该”、“所述”和“至少一个”用以表示存在一个或多个要素/组成部分/等；用语“包括”和“具有”用以表示开放式的包括在内的意思并且是指除了列出的要素/组成部分/等之外还可存在另外的要素/组成部分/等。
需要说明的是，虽然术语“第一”、“第二”等可以在此用于描述各种部件、构件、元件、区域、层和/或部分，但是这些部件、构件、元件、区域、层和/或部分不应受到这些术语限制。而是，这些术语用于将一个部件、构件、元件、区域、层和/或部分与另一个相区分。
相关技术中，在将柔性面板与曲面盖板贴合时，一般采用抽真空、滚轮、气囊等方案，但是以上三种方案仅适用于小曲率盖板贴合，而无法保证大曲率盖板贴合时弯折区的贴合压力，易产生气泡等不良问题， 无法满足满足贴合要求。
为此，本公开一实施例提供了一种贴合装置，此贴合装置不仅适用于柔性面板与小曲率的曲面盖板相贴合，也适用于使柔性面板与大曲率的曲面盖板相贴合。
下面结合附图对本实施例的贴合装置进行详细说明。
如图2和图5所示，曲面盖板10具有中心区10a和位于中心区10a在第一方向X上的边缘弯折区10b；本公开的实施例中，边缘弯折区10b设置两个，分别位于中心区10a在第一方向X上的相对两侧。贴合装置可包括活动机构，此活动机构能与曲面盖板10在第二方向上相对设置，此第二方向与第一方向X可根据工艺需求，呈角度设置；在本公开的实施例中，此第二方向可与第一方向X相互垂直，举例而言，此第二方向可为曲面盖板10的中心区10a的厚度方向Y，如图2和图5所示，但不限于此，第二方向也可为同时与厚度方向Y和第一方向X相互垂直的方向。
具体地，如图1至图5所示，活动机构可包括第一活动基台12a、第二活动基台12b及弹性支撑件13；第二活动基台12b与第一活动基台12a在第一方向X上相对设置；弹性支撑件13具有弹性支撑部130，此弹性支撑部130覆盖在第一活动基台12a和第二活动基台12b靠近曲面盖板10的部位上，并用于固定柔性面板11。应当理解的是，为了使得弹性支撑部130上的柔性面板11能够与曲面盖板10完全贴合，可使弹性支撑部130的形状与曲面盖板10的形状相匹配。
举例而言，如图2和图5所示，曲面盖板10的中心区10a可为平面区；而如图1至图5所示，弹性支撑部130具有平面部分1301及位于平面部分1301在第一方向X上相对两侧的边缘弯折部分1302，其中，平面部分1301用以向柔性面板11施加压力，以使柔性面板11与曲面盖板10的中心区10a贴合；边缘弯折部分1302用以向柔性面板11施加压力，以使柔性面板11与曲面盖板10的边缘弯折区10b贴合。需要说明的是，曲面盖板10的中心区10a不仅可以设置为平面区，也可设置为弧形区，在曲面盖板10的中心区10a设置为弧形区时，可将弹性支撑部130中与曲面盖板10相配合的部位设置为弧形部，此弧形部与曲面盖板10的弧形区中各对应位置处的间距应相等，以保证此弧形部与曲面盖板10的弧形区紧密贴合。
其中，本公开实施例的活动机构能够向靠近曲面盖板10的方向移动，此移动方向为图9中空心箭头所示的方向，以使弹性支撑部130上的柔性面板11位于曲面盖板10的内侧，并使柔性面板11与中心区10a相贴合，如图10所示；而第一活动基台12a和第二活动基台12b能够在第一方向X上向远离彼此的方向移动，此移动方向如图2和图11所示的左、右箭头所示的方向，即：该第一活动基台12a和第二活动基台12b能够分别向着与其相对应的边缘弯折区10b所在的位置移动，以使 柔性面板11与边缘弯折区10b相贴合，如图2和图11所示。
需要说明的是，由于弹性支撑部130具有一定的弹性，因此，当第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向移动时，弹性支撑部130可发生弹性形变，并能够向柔性面板11施加压力，以使柔性面板11与边缘弯折区10b相贴合；而当第一活动基台12a和第二活动基台12b在第一方向X上向靠近彼此的方向移动时，即：当第一活动基台12a与第二活动基台12b复位时，弹性支撑部130可恢复弹性形变。举例而言，此弹性支撑件13可为硅胶件，即：采用硅胶材料制作而成，但不限于此，也可采用其他弹性材料制作而成。
基于上述方案可知，在使用上述贴合装置将柔性面板11与曲面盖板10贴合时：可先固定曲面盖板10，即：确定曲面盖板10的位置，然后将活动机构与曲面盖板10相对设置，并将柔性面板11固定在活动机构的弹性支撑部130上，如图5所示；然后可驱动活动机构向靠近曲面盖板10的方向移动，以使弹性支撑部130上的柔性面板11位于曲面盖板10的内侧，然后可继续驱动活动机构向靠近曲面盖板10的中心区10a的方向移动，以向柔性面板11施加压力，使得柔性面板11与曲面盖板10的中心区10a相贴合，如图9和图10所示；在柔性面板11与曲面盖板10的中心区10a相贴合后，可驱动第一活动基台12a和第二活动基台12b向远离彼此的方向运动，以向柔性面板11施加足够大的压力，使得柔性面板11与曲面盖板10的边缘弯折区10b相贴合，如图2或图11所示；这样设计不仅可以保证柔性面板11与曲面盖板10的中心区10a之间的贴合紧密性，还可保证柔性面板11与曲面盖板10的边缘弯折区10b之间的贴合紧密性，从而可提升贴合均匀性，减少贴合气泡，提升产品良率。
其中，在柔性面板11与曲面盖板10的边缘弯折区10b相贴合后，还可驱动整个活动机构继续向靠近曲面盖板10的中心区10a方向移动，以进一步保证柔性面板11与曲面盖板10充分贴合。
本实施例中，通过设置活动机构对柔性面板11与曲面盖板10进行贴合，可保证侧边弯折区压力可控，以避免贴合过程中产生气泡和裂纹的缝隙。且贴合装置结构简单，成本较低，适用范围广。
需要说明的是，本公开实施例提到的柔性面板11可为贴附有OCA光学胶的OLED显示面板；此曲面盖板10可为玻璃盖板。此外，本公开的实施例还可包括驱动机构，此驱动机构与活动机构连接，用于驱动活动机构整体向靠近或远离曲面盖板10的方向运动，此驱动机构可为驱动电机或驱动气缸等结构。
其中，如图5和图9所示，在第二方向为曲面盖板10的中心区10a的厚度方向Y时，活动机构可带动其弹性支撑部130上的柔性面板11从曲面盖板10的底部开口100进入到曲面盖板10的内侧，需要说明的是，此底部开口100为两侧边缘弯折区10b中远离中心区10a的端部之 间形成的开口，如图5中曲面盖板10中位于虚线下部的区域可理解为底部开口100。
在第二方向为同时与曲面盖板10的中心区10a的厚度方向Y和第一方向X相互垂直的方向时，活动机构可带动其弹性支撑部130上的柔性面板11从曲面盖板10的侧部开口101进入到曲面盖板10的内侧，需要说明的是，此侧部开口101为两侧边缘弯折区10b的侧面之间形成的开口，如图5中曲面盖板10中位于虚线上部的区域可理解为底部开口100。应当理解的是，图5中所示的虚线不具有实际含义，仅仅用来划分曲面盖板10中侧部开口101和底部开口100，以便理解。
由于曲面盖板10的底部开口100的尺寸较小，因此，为了避免柔性面板11在从底部开口100进入曲面盖板10的内侧过程中与曲面盖板10的边缘弯折区10b提前接触，而导致贴合失败这一情况，需要先将柔性面板11进行弯折收缩，使得柔性面板11的体积减小到能够从底部开口100顺利进入到曲面盖板10的内侧且并不与曲面盖板10提前接触的程度；此外，在活动机构带动其弹性支撑部130上的柔性面板11从曲面盖板10的底部开口100进入到曲面盖板10的内侧时，需要柔性面板11在第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向移动时缓慢展开，以使柔性面板11能够与曲面盖板10的边缘弯折区10b相接触并相贴合；为了实现这一过程，在本公开的实施例中，如图4和图5所示，该贴合装置还可包括承载膜16和夹紧调节机构17，其中：
承载膜16可包括用于与柔性面板11贴合的贴合部160及位于贴合部160在第一方向X上相对两侧的连接部161，贴合部160支撑在弹性支撑部130上；
夹紧调节机构17与连接部161连接并能够向其施加夹紧力，以使得贴合部160与弹性支撑部130贴合，并使得承载膜16及其上的柔性面板11进行弯折收缩，使得柔性面板11的体积减小到能够从底部开口100顺利进入到曲面盖板10的内侧且并不与曲面盖板10提前接触的程度，此外，通过使得承载膜16进行弯折收缩还可保证承载膜16稳定地支撑在弹性支撑部130上；而当第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向移动时，也就是说，在使柔性面板11与曲面盖板10的边缘弯折区10b相贴合的过程中，夹紧调节机构17能够减小施加在连接部161上的夹紧力，使得承载膜16及其上的柔性面板11适当展开，使得柔性面板11能够与曲面盖板10的边缘弯折区10b完全接触并紧密贴合，如图11所示，这样可保证贴合良率。
需要说明的是，在柔性面板11处于弯折收缩状态时，该柔性面板11上与曲面盖板10的中心区10a相对应的部位的形状与曲面盖板10的中心区10a的形状相同，且此部分先与曲面盖板10的中心区10a相接触。此外，还需说明的是，在通过夹紧调节机构17减小施加在连接部161 上的夹紧力，以使柔性面板11展开的这一过程中，主要目的是为了使得柔性面板11的侧部进行展开，以保证柔性面板11的侧部与曲面盖板10的边缘弯折区10b完全接触，这一过程基本不会影响柔性面板11中与曲面盖板10的中心区10a相对应的部位的形状。
其中，在柔性面板11与曲面盖板10完全紧密贴合后，该夹紧调节机构17可将施加在连接部161上的夹紧力撤掉。
在一些实施例中，如图4和图5所示，夹紧调节机构17可设置有两个，分别与贴合部160两侧的连接部161连接。但不限于此，也可设置一个。举例而言，此夹紧调节机构17可为真空吸附夹具，但不限于此，只要能够实现上述目的结构均可采用。
在一些实施例中，贴合部160上可设置有用以与柔性面板11粘接的胶层(图中未示出)，也就是说，柔性面板11通过胶层粘接在贴合部160上。举例而言，贴合部160可采用树脂材料制作而成，而胶层可采用在UV(紫外线)照射下失去粘性的材料制作而成，这样在柔性面板11与曲面盖板10完全紧密贴合后，通过UV对胶层照射，可使该胶层失去粘性，从而可使承载膜16从柔性面板11上脱离下来。
在一些实施例中，如图1和图2所示，活动机构还包括第一固定滑轨14a、第二固定滑轨14b、活动基底15和第一驱动件(图中未示出)。具体地，第一活动基台12a滑动安装在第一固定滑轨14a上，且第一活动基台12a在第一方向X上相对第一固定滑轨14a滑动；第二活动基台12b滑动安装在第二固定滑轨14b上，且第二活动基台12b在第一方向X上相对第二固定滑轨14b滑动；活动基底15具有与第一活动基台12a相配合的第一推动斜面150和与第二活动基台12b相配合的第二推动斜面151；第一驱动件与活动基底15连接，用于驱动活动基底15向靠近或远离曲面盖板10的中心区10a的方向运动；其中，在第一驱动件驱动活动基底15向靠近曲面盖板10的中心区10a的方向移动时，第一推动斜面150和第二推动斜面151分别推动第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向运动。
可选地，第一活动基台12a和第二活动基台12b中还设置有复位弹性件(图中未示出)，其中，在第一驱动件驱动活动基底15向靠近曲面盖板10的中心区10a的方向移动时，第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向运动，并使复位弹性件发生弹性形变；在第一驱动件驱动活动基底15向远离曲面盖板10的中心区10a的方向移动时，复位弹性件恢复弹性形变，以带动第一活动基台12a和第二活动基台12b在第一方向X上向靠近彼此的方向运动。
应当理解的是，此活动机构可包括用于固定第一固定滑轨14a和第二固定滑轨14b的机架(图中未示出)。且复位弹性件的一端可固定在第一活动基台12a(第二活动基台12b)上，另一端可与机架、第一固定滑轨14a(第二固定滑轨14b)等固定结构连接。
举例而言，此复位弹性件可为弹簧或橡胶等结构，但不限于此。且此复位弹性件可设置在第一固定滑轨14a(第二固定滑轨14b)的内部，但不限于此，也可设置在外部，视具体情况而定。
其中，活动机构中的第一活动基台12a和第二活动基台12b不限于采用上述实施例的结构实现其在第一方向X上的移动；在另一些实施例中，如图3和图4所示，活动机构还可包括第二驱动件(图3和图4中未示出)和第三驱动件(图3和图4中未示出)，第二驱动件与第一活动基台12a连接，用于驱动第一活动基台12a在第一方向X上向靠近或远离第二活动基台12b的方向运动；第三驱动件与第二活动基台12b连接，用于驱动第二活动基台12b在第一方向X上向靠近或远离第一活动基台12a的方向运动。
需要说明的是，前述提到的第一驱动件、第二驱动件、第三驱动件可为驱动电机或驱动气缸等结构。
在一些实施例中，如图1至图5所示，第一活动基台12a和第二活动基台12b可包括覆盖有弹性支撑部130的支撑台120和位于支撑台120远离弹性支撑部130的固定台121，如图6和图7所示，第一活动基台12a的支撑台120与第二活动基台12b的支撑台120中朝向彼此的面设置有锯齿结构并相互啮合，这样设计可在第一活动基台12a和第二活动基台12b向远离彼此的方向运动时，第一活动基台12a和第二活动基台12b上的锯齿结构仍可对弹性支撑部130的中间部分起到一定的支撑作用，从而可保证柔性面板11与曲面盖板10的中心区10a在贴合过程中的贴合压力，继而可提高贴合均匀性。
可选地，如图6a、图6b和图7所示，锯齿结构由多个齿部1201依次拼接而成。举例而言，在一些实施例中，如图6a所示，多个齿部的形状可为矩形，这样可保证支撑弹性支撑部130的中间部分的面积；在另一些实施例中，如图6b所示，多个齿部的形状可为圆弧形，这样在保证支撑弹性支撑部130的中间部分的面积的同时，还可缓解第一活动基台12a和第二活动基台12b中的齿部1201在啮合过程中(即：向靠近彼此的方向运动时)发生冲击的情况，从而可延长第一活动基台12a和第二活动基台12b的使用寿命；或者在其他实施例中，锯齿结构中多个齿部1201的形状可包括矩形和圆弧形，其中，矩形齿部和圆弧形齿部可交替设置。
应当理解的是，本公开实施中锯齿结构中的齿部1201不限于上述形状，也可为其他形状，例如：梯形、三角形等。
在一些实施例中，如图3和图4所示，弹性支撑件13还可包括自弹性支撑部130的两端向靠近固定台121的方向延伸的固定部131，此固定部131与固定台121连接，以使弹性支撑件13固定在第一活动基台12a和第二活动基台12b上。
其中，如图3和图4所示，固定部131可具有第一延伸段1310和第 二延伸段1311，第一延伸段1310的一端与第二延伸段1311连接，另一端向远离弹性支撑部130的中心方向倾斜并与弹性支撑部130的端部连接；第二延伸段1311上设置有固定孔1312，固定孔1312用以供锁紧件的一端穿过并与固定台121连接，以保证弹性支撑件13与第一活动基台12a和第二活动基台12b的连接稳定性。
举例而言，本公开实施例提到的弹性支撑件13、第一活动基台12a、第二活动基台12b、承载膜16均可为一体式结构，以保证结构强度。
需要说明的是，该贴合装置还可包括固定曲面盖板10的治具，此治具可与活动机构在第二方向上相对设置。举例而言，此治具可为真空吸附机构，但不限于此，也可为其他固定机构。
本公开的一实施例还提供了一种贴合方法，用于使柔性面板11与曲面盖板10相贴合，此贴合方法可以采用前文任一实施例记载的贴合装置，此贴合装置的具体结构可以参考前文相关记载的结构，在此不做赘述。其中，如图8所示，贴合方法包括：
步骤S100，固定曲面盖板10；
步骤S102，使活动机构与曲面盖板10相对设置；
步骤S104，将柔性面板11固定在弹性支撑部130上；
步骤S106，驱动活动机构向靠近曲面盖板10的方向移动，以使柔性面板11与中心区10a相贴合，如图9和图10所示；
步骤S108，在柔性面板11与中心区10a相贴合之后，驱动第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向移动，以使柔性面板11与边缘弯折区10b相贴合，如图11所示。
在本公开的实施例中，通过驱动活动机构向靠近曲面盖板10的方向移动，以使弹性支撑部130上的柔性面板11位于曲面盖板10的内侧，然后可继续驱动活动机构整体向靠近曲面盖板10的中心区10a的方向运动，以向柔性面板11施加压力，使得柔性面板11与曲面盖板10的中心区10a相贴合，然后在柔性面板11与曲面盖板10的中心区10a相贴合后，可驱动第一活动基台12a和第二活动基台12b向远离彼此的方向运动，以向柔性面板11施加压力，使得柔性面板11与曲面盖板10的边缘弯折区10b相贴合，这样设计不仅可以保证柔性面板11与曲面盖板10的中心区10a之间的贴合紧密性，还可保证柔性面板11与曲面盖板10的边缘弯折区10b之间的贴合紧密性，从而可提升贴合均匀性，减少贴合气泡，提升产品良率。
应当注意，尽管在附图中以特定顺序描述了本公开中方法的各个步骤，但是，这并非要求或者暗示必须按照该特定顺序来执行这些步骤，或是必须执行全部所示的步骤才能实现期望的结果。附加的或备选的，可以省略某些步骤，将多个步骤合并为一个步骤执行，以及/或者将一个步骤分解为多个步骤执行等。此外，上面的一些步骤可以并行执行或顺序执行等等，并不局限于上文描述的具体操作顺序。
在一些实施例中，该贴合方法中，当驱动第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向移动时，可通过夹紧调节机构17减小施加在连接部161上的夹紧力。
其中，在一具体实施例中，该贴合方法可包括：
步骤S200，将柔性面板11贴在承载膜16的贴合部160上，并放置在弹性支撑件13的弹性支撑部130上，然后通过夹紧调节机构17向承载膜16的连接部161施加夹紧力，以实现预弯成形；如图5所示，活动机构上移至曲面盖板10内侧1mm处，且该承载膜16需绑定到位，以防止活动机构上移过程中提前接触曲面盖板10，而导致贴合失败的情况；
步骤S202，活动机构缓慢上移，如图9所示，实现柔性面板11与曲面盖板10的中心区10a的内侧先接触，如图10所示，此时承载膜16、柔性面板11及夹紧调节机构17的状态同步骤S200，保证柔性面板11处于预紧状态，避免柔性面板11翘起；
步骤S204，驱动第一活动基台12a和第二活动基台12b在第一方向X上向远离彼此的方向运动，如图11所示，给予柔性面板11和曲面盖板10的边缘弯折区10b足够的贴合压力；此时夹紧调节机构17随之调节，即：减小施加在连接部161上的夹紧力；在柔性面板11和曲面盖板10的边缘弯折区10b贴合完成后，再给予活动机构整体向上的力，使得柔性面板11和曲面盖板10充分贴合，然后，夹紧调节机构17将夹紧力撤去；
步骤S206，贴合完成后，驱动第一活动基台12a和第二活动基台12b向靠近彼此的方向运动，即：复位；然后驱动整个活动机构向下移动至初始位置，如图12所示，完成整个贴合过程。
本领域技术人员在考虑说明书及实践这里公开的内容后，将容易想到本公开的其他实施例。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由权利要求指出。

Claims (13)

  1. 一种贴合装置，用于使柔性面板与曲面盖板相贴合，所述曲面盖板具有中心区和位于所述中心区在第一方向上的边缘弯折区，其中，所述贴合装置包括活动机构，与所述曲面盖板在第二方向上相对设置，且所述活动机构包括：
    第一活动基台；
    第二活动基台，与所述第一活动基台在所述第一方向上相对设置；
    弹性支撑件，具有弹性支撑部，所述弹性支撑部覆盖在所述第一活动基台和所述第二活动基台靠近所述曲面盖板的部位上，用于固定所述柔性面板；其中，
    所述活动机构能够向靠近所述曲面盖板的方向移动，以使所述柔性面板与所述中心区相贴合；
    所述第一活动基台和所述第二活动基台能够在所述第一方向上向远离彼此的方向移动，以使所述柔性面板与所述边缘弯折区相贴合。
  2. 根据权利要求1所述的贴合装置，其中，所述活动机构还包括：
    第一固定滑轨，所述第一活动基台滑动安装在所述第一固定滑轨上，且所述第一活动基台在所述第一方向上相对所述第一固定滑轨滑动；
    第二固定滑轨，所述第二活动基台滑动安装在所述第二固定滑轨上，且所述第二活动基台在所述第一方向上相对所述第二固定滑轨滑动；
    活动基底，具有与所述第一活动基台相配合的第一推动斜面和与所述第二活动基台相配合的第二推动斜面；
    第一驱动件，与所述活动基底连接，用于驱动所述活动基底向靠近或远离所述曲面盖板的中心区的方向运动；其中，
    在所述第一驱动件驱动所述活动基底向靠近所述曲面盖板的中心区的方向移动时，所述第一推动斜面和所述第二推动斜面分别推动所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向运动。
  3. 根据权利要求2所述的贴合装置，其中，所述第一活动基台和所述第二活动基台中还设置有复位弹性件，其中，
    在所述第一驱动件驱动所述活动基底向靠近所述曲面盖板的中心区的方向移动时，所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向运动，并使所述复位弹性件发生弹性形变；
    在所述第一驱动件驱动所述活动基底向远离所述曲面盖板的中心区的方向移动时，所述复位弹性件恢复弹性形变，以带动所述第一活动基台和所述第二活动基台在所述第一方向上向靠近彼此的方向运动。
  4. 根据权利要求1所述的贴合装置，其中，所述活动机构还包括：
    第二驱动件，与所述第一活动基台连接，用于驱动所述第一活动基台在所述第一方向上向靠近或远离所述第二活动基台的方向运动；
    第三驱动件，与所述第二活动基台连接，用于驱动所述第二活动基 台在所述第一方向上向靠近或远离所述第一活动基台的方向运动。
  5. 根据权利要求1至4中任一项所述的贴合装置，其中，所述第一活动基台和所述第二活动基台包括覆盖有所述弹性支撑部的支撑台和位于所述支撑台远离所述弹性支撑部的固定台，所述第一活动基台的支撑台与所述第二活动基台的支撑台中朝向彼此的面设置有锯齿结构并相互啮合；
    所述弹性支撑件还包括自所述弹性支撑部的两端向靠近所述固定台的方向延伸的固定部，所述固定部与所述固定台连接，以使所述弹性支撑件固定在所述第一活动基台和所述第二活动基台上。
  6. 根据权利要求5所述的贴合装置，其中，所述锯齿结构由多个齿部依次拼接而成，所述多个齿部的形状为矩形、圆弧形中的至少一种。
  7. 根据权利要求5所述的贴合装置，其中，所述固定部具有第一延伸段和第二延伸段，
    所述第一延伸段的一端与所述第二延伸段连接，另一端向远离所述弹性支撑部的中心方向倾斜并与所述弹性支撑部的端部连接；
    所述第二延伸段上设置有固定孔，所述固定孔用以供锁紧件的一端穿过并与所述固定台连接。
  8. 根据权利要求1所述的贴合装置，其中，还包括：
    承载膜，包括用于与所述柔性面板贴合的贴合部及位于所述贴合部在所述第一方向上相对两侧的连接部，所述贴合部支撑在所述弹性支撑部上；
    夹紧调节机构，与所述连接部连接并能够向其施加夹紧力，以使得所述贴合部与所述弹性支撑部贴合；其中，
    当所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向移动时，所述夹紧调节机构能够减小施加在所述连接部上的夹紧力。
  9. 根据权利要求8所述的贴合装置，其中，所述贴合部上设置有用以与所述柔性面板粘接的胶层。
  10. 根据权利要求1所述的贴合装置，其中，所述曲面盖板的中心区为平面区；所述弹性支撑部具有平面部分及位于所述平面部分在所述第一方向上相对两侧的边缘弯折部分，其中，
    所述平面部分用以向所述柔性面板施加压力，以使所述柔性面板与所述曲面盖板的中心区贴合；
    所述边缘弯折部分用以向所述柔性面板施加压力，以使所述柔性面板与所述曲面盖板的边缘弯折区贴合。
  11. 根据权利要求1至10中任一项所述的贴合装置，其中，所述弹性支撑件为硅胶件。
  12. 一种贴合方法，用于使柔性面板与曲面盖板相贴合，所述曲面盖板具有中心区和位于所述中心区在第一方向上的边缘弯折区，其中， 采用权利要求1至11中任一项所述的贴合装置，所述贴合方法包括：
    固定所述曲面盖板；
    使所述活动机构与所述曲面盖板相对设置；
    将所述柔性面板固定在所述弹性支撑部上；
    驱动所述活动机构向靠近所述曲面盖板的方向移动，以使所述柔性面板与所述中心区相贴合；
    在所述柔性面板与所述中心区相贴合之后，驱动所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向移动，以使所述柔性面板与所述边缘弯折区相贴合。
  13. 根据权利要求12所述的贴合方法，其中，应用于如权利要求8所述的贴合装置，所述贴合方法中，当驱动所述第一活动基台和所述第二活动基台在所述第一方向上向远离彼此的方向移动时，通过夹紧调节机构减小施加在所述连接部上的夹紧力。
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