CN115155974A - Dispensing device, dispensing method and dispensing liquid for display device - Google Patents
Dispensing device, dispensing method and dispensing liquid for display device Download PDFInfo
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- CN115155974A CN115155974A CN202210976089.XA CN202210976089A CN115155974A CN 115155974 A CN115155974 A CN 115155974A CN 202210976089 A CN202210976089 A CN 202210976089A CN 115155974 A CN115155974 A CN 115155974A
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- Prior art keywords
- dispensing
- magnetic
- substrate
- display module
- magnetic attraction
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- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 40
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000000126 substance Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 63
- 239000000758 substrate Substances 0.000 claims description 59
- 239000012790 adhesive layer Substances 0.000 claims description 37
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 239000003999 initiator Substances 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000002562 thickening agent Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 6
- 238000001723 curing Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/01—Magnetic additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The application relates to a glue dispensing device, a glue dispensing method and a glue dispensing liquid for a display device. A glue dispensing device for a display device comprises a base material, a display module and a frame, wherein the display module and the frame are arranged on the base material at intervals; the second magnetic controller comprises a second magnetic part; the base material is provided with a dispensing area positioned between the display module and the frame; the glue dispensing mechanism comprises a nozzle facing the glue dispensing area, the nozzle is configured to spray glue dispensing liquid containing magnetic substances to the glue dispensing area, and the orthographic projection of the bottom layer of the glue dispensing liquid sprayed to the glue dispensing area on the base material can be positioned in the range of the glue dispensing area by means of the first magnetic suction part and the second magnetic suction part. The glue dispensing device can avoid the problems of water ripples and the like of the display module caused by the contact of the glue dispensing liquid and the optical glue layer.
Description
Technical Field
The present disclosure relates to dispensing devices, and particularly to a dispensing device, a dispensing method, and a dispensing solution for a display device.
Background
In the related art, the adhesive bonding operation of the frame is usually performed by a dispensing device during the production process of the display device.
However, the display device manufactured by using the conventional dispensing equipment has the problems of water ripples and the like.
Disclosure of Invention
Accordingly, there is a need to provide a dispensing apparatus, a dispensing method and a dispensing solution for a display device, which are capable of solving the problem of water ripples in the display device produced by the conventional dispensing apparatus.
According to a first aspect of this application, a dispensing device for a display device is provided, the display device includes a substrate and a display module and a frame arranged at intervals on the substrate, the dispensing device includes:
the first magnetic controller comprises a first magnetic part which is arranged at the bottom side of the base material and extends along a first direction;
the second magnetic controller comprises a second magnetic part which is arranged on one side of the frame, which deviates from the display module, and extends along a second direction which is vertical to the first direction; the substrate is provided with a dispensing area located between the display module and the frame, and the distance between the dispensing area and the optical adhesive layer of the display module in the first direction is a preset value;
the dispensing mechanism comprises a nozzle facing the dispensing area, the nozzle is configured to be capable of spraying dispensing liquid containing magnetic substances to the dispensing area, and the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area on the base material is located in the range of the dispensing area by means of the first magnetic suction part and the second magnetic suction part.
In one embodiment, the display module comprises an optical adhesive layer and a connecting layer which are arranged in a stacked mode, wherein one side, which faces away from the connecting layer, of the optical adhesive layer is arranged on the substrate;
the distance between the first magnetic suction part and the optical adhesive layer in the first direction is larger than or equal to the preset value, so that the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area on the base material is located in the range of the dispensing area.
In one embodiment, the first magnetic attraction part is configured to be movable relative to the substrate along the first direction.
In one embodiment, the first magnetic controller further includes a first driving member, and an output end of the first driving member is connected to the first magnetic attraction portion to drive the first magnetic attraction portion to move along the first direction relative to the substrate.
In one embodiment, the first driving member includes a first cylinder, and a piston rod of the first cylinder is connected to the first magnetic attraction part.
In one embodiment, the dispensing device further includes a controller electrically connected to the dispensing mechanism and the first driving member, respectively.
In one embodiment, the dispensing apparatus further comprises a base, wherein the substrate is fixed on the top of the base in an absorption manner;
the first magnetic controller and the second magnetic controller are both arranged on the base.
In one embodiment, the second magnetic attraction part is configured to be movable in the second direction relative to the frame.
In one embodiment, the second magnetic controller further includes a second driving element, and an output end of the second driving element is connected to the second magnetic attraction part to drive the second magnetic attraction part to move along the second direction relative to the frame.
According to a second aspect of the present application, there is provided a dispensing method for dispensing a display device by using the above dispensing apparatus for a display device, the dispensing method comprising:
enabling the distance between the first magnetic suction part and the optical adhesive layer of the display module in the first direction to be larger than or equal to the preset value;
and controlling a nozzle of the dispensing mechanism to dispense towards the dispensing area so as to enable the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area on the base material to be positioned in the range of the dispensing area by means of the first magnetic absorption part and the second magnetic absorption part.
According to a third aspect of the present application, a dispensing solution is provided for cooperating with the dispensing apparatus for a display apparatus described above to be applied in the dispensing method described above, the dispensing solution including a glue solution and a magnetic substance.
In one embodiment, the glue solution comprises 0.5-0.7 part of curing resin, 1-6 parts of adhesive, 0.01-2 parts of thickening agent and 0.05-6 parts of initiator;
the glue solution comprises 85-95 parts of the magnetic substance.
When the dispensing device is used, the nozzle of the dispensing mechanism can be utilized to spray the dispensing liquid containing magnetic substances to the dispensing area, and it can be understood that the second magnetic suction part and the first magnetic suction part can magnetically suck the dispensing liquid sprayed to the dispensing area, so that the nozzle can enable the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area on the base material to be positioned in the range of the dispensing area by means of the first magnetic suction part and the second magnetic suction part.
Drawings
FIG. 1 shows a schematic diagram of a prior art dispensing process;
fig. 2 is a schematic structural diagram illustrating a dispensing device and a display device according to an embodiment of the present disclosure;
fig. 3 is a schematic view illustrating a process of dispensing a display device by using a dispensing apparatus according to an embodiment of the present application (before moving the first magnetic attraction portion);
fig. 4 is a schematic view illustrating a process of dispensing a display device by using a dispensing apparatus according to an embodiment of the present application (after moving the first magnetic attraction portion);
fig. 5 is a schematic diagram illustrating a process of dispensing a display device by using a dispensing apparatus according to an embodiment of the present application (curing);
FIG. 6 is a schematic structural diagram of a frame and a display module according to an embodiment of the present disclosure;
FIG. 7 is a comparative view (first comparative scale) showing a glue dropping on a substrate when the first magnetic attraction unit is not provided and when the first magnetic attraction unit is provided;
FIG. 8 is a comparative view (second comparative example) showing a spotting solution dropped on a base material when the first magnetic attraction section is not provided and when the first magnetic attraction section is provided;
FIG. 9 shows a schematic structural view of a susceptor and a substrate in an embodiment of the present application;
FIG. 10 is a schematic view of a substrate and a first magnetic attraction portion according to another embodiment of the present disclosure;
fig. 11 shows a schematic flow chart of a dispensing method according to an embodiment of the application.
10. A dispensing device; 110. a first magnetic force controller; 111. a first magnetic attraction part; 112. a first driving member; 120. a second magnetic force controller; 121. a second magnetic attraction part; 122. a second driving member; 130. a glue dispensing mechanism; 131. a nozzle; 132. dispensing a glue layer; 1321. a first portion; 1322. a second portion; 140. a base; 141. a groove; 142. a side seat; 150. a curing mechanism; 20. a display device; 21. a substrate; 211. dispensing area; 22. a display module; 221. an optical adhesive layer; 222. a connecting layer; 2221. a projection; 23. a frame; 30. and (7) bonding the layers.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The inventor of the present application has found that, during the bonding operation of the frame 23, since the frame 23 is bonded to the display module 22 through the bonding layer 30, the bonding layer 30 directly contacts the optical adhesive layer 221 (as shown in fig. 1) located at the bottom layer of the display module 22, and the bonding layer 30 is easily reacted with the optical adhesive layer 221, so that the display device produced by using the conventional dispensing apparatus has the problems of water ripples and the like.
The inventor of this application has designed a dispensing device through intensive research, including first magnetic force controller and second magnetic force controller, can utilize the second magnetic force controller of locating one side that the frame deviates from display module assembly to stabilize the point glue solution that contains magnetic substance in one side that the frame is close to display module assembly, and make the bottom of point glue solution and display module assembly's optical cement layer have certain interval, avoid the optical cement layer direct contact of point glue solution and display module assembly.
Fig. 2 shows a schematic structural diagram of the dispensing apparatus 10 and the display apparatus 20 in an embodiment of the present application.
Referring to fig. 2 in combination with fig. 3 to 5, in an embodiment of the dispensing apparatus 10 for a display device 20, the display device 20 includes a substrate 21, and a display module 22 and a frame 23 spaced apart from the substrate 21.
Specifically, the frame 23 surrounds the periphery of the display module 22, and the frame 23 and the display module 22 are disposed at an interval. The frame 23 is, for example, a ring-shaped structure, so as to surround the outer periphery of the display module 22 (as shown in fig. 6).
The dispensing device 10 includes a first magnetic controller 110, a second magnetic controller 120 and a dispensing mechanism 130, wherein the first magnetic controller 110 is disposed on the bottom side of the substrate 21 and extends along a first direction F 1 The first magnetic attraction portion 111 and the second magnetic controller 120 are disposed on a side of the frame 23 away from the display module 22 and along a first direction F 1 Perpendicular second direction F 2 And an extended second magnetic attraction part 121.
The first magnetic attraction portion 111 is a member capable of magnetically attracting a magnetic substance, and the first magnetic attraction portion 111 may be a magnet or a permanent magnet, which is not particularly limited herein.
The second magnetic attraction part 121 is a member capable of magnetically attracting a magnetic substance, and the second magnetic attraction part 121 may be a magnet or a permanent magnet, which is not limited in this respect.
The substrate 21 has a dispensing region 211 located between the display module 22 and the frame 23, and a space between the dispensing region 211 and the optical adhesive layer 221 of the display module 22 is in the first direction F 1 The distance above is a preset value D.
The dispensing region 211 is a region of the substrate 21 located between the display module 22 and the frame 23, and dispensing can be performed to the dispensing region 211 by the dispensing mechanism 130.
The dispensing region 211 may be an annular region located between the display module 22 and the frame 23, and fig. 2-5 are schematic views of partial structures of the display module 22 and the frame 23, so that the design of the dispensing region 211 in an annular structure can be understood with reference to fig. 2-5.
The dispensing mechanism 130 includes a nozzle 131 facing the dispensing region 211, and the nozzle 131 is configured to spray a dispensing solution containing a magnetic substance toward the dispensing region 211, and to enable an orthographic projection of a bottom layer of the dispensing solution sprayed to the dispensing region 211 on the substrate 21 to be located within the dispensing region 211 by means of the first magnetic attraction part 111 and the second magnetic attraction part 121.
When the dispensing apparatus 10 is used, the nozzle 131 of the dispensing mechanism 130 can be used to spray the dispensing solution containing the magnetic substance to the dispensing region 211, it can be understood that the second magnetic suction part 121 and the first magnetic suction part 111 can magnetically suck the dispensing solution sprayed to the dispensing region 211, and thus the nozzle 131 can make the orthographic projection of the bottom layer of the dispensing solution sprayed to the dispensing region 211 on the substrate 21 within the range of the dispensing region 211 by means of the first magnetic suction part 111 and the second magnetic suction part 121, because the dispensing region 211 and the optical adhesive layer 221 of the display module 22 are in the first direction F 1 The distance is a predetermined value, so that the dispensing device 10 can prevent the bottom layer of the dispensing solution sprayed to the dispensing region 211 from contacting the optical adhesive layer 221, and prevent the display module 22 from generating water ripples due to the contact between the dispensing solution and the optical adhesive layer 221.
In addition, the first direction F 1 The second direction F may be parallel to the direction that the center of the display device 20 points to the outer periphery of the display device 20, or parallel to the direction that the display module 22 points to the frame 23 2 May be parallel to the display device 20In the thickness direction of (a). Illustratively, the frame 23 is a ring-shaped structure, the display device 20 has a first center line along the thickness direction thereof, and the first magnetic attraction part 111 is configured as a ring-shaped structure surrounding the first center line, so that the first magnetic attraction part 111 extends along the direction of the display module 22 pointing to the frame 23 and can extend along the direction of the center of the display device 20 pointing to the periphery of the display device 20. With such an arrangement, the first magnetic attraction part 111 can be ensured to magnetically attract the dispensing solution more comprehensively, and the dispensing solution sprayed to the dispensing region 211 can surround the display module 22, and the bottom layer of the dispensing solution and the display module 22 have a magnetic attraction effect along the first direction F 1 The gap of (2) prevents the display module 22 from generating water ripples and other problems caused by the contact of the dispensing liquid and the optical adhesive layer 221, and meanwhile, the sealing reliability of the display device 20 can also be improved.
Specifically, the central axis of the first magnetic attraction part 111 coincides with the first central line, so as to ensure uniformity of dispensing.
In some embodiments, referring to fig. 2 in combination with fig. 7 and 8, the display module 22 includes an optical adhesive layer 221 and a connecting layer 222 that are stacked, one side of the optical adhesive layer 221 away from the connecting layer 222 is disposed on the substrate 21, and the first magnetic attraction portion 111 and the optical adhesive layer 221 are disposed in the first direction F 1 The upper distance is greater than or equal to the preset value D, so that the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing region 211 on the substrate 21 is positioned in the range of the dispensing region 211.
As shown in fig. 7 (a) and 7 (b), the first magnetic absorption portion 111 is not provided, and as shown in fig. 7 (a) and 7 (b), when the first magnetic absorption portion 111 is not provided, the contact area between the dispensing solution falling on the substrate 21 and the substrate 21 is larger than that when the first magnetic absorption portion 111 is not provided. In addition, compared to the situation without the first magnetic part 111, when the first magnetic part 111 is disposed, the dispensing liquid falling on the substrate 21 can be constrained by the magnetic attraction between the first magnetic part 111 and the dispensing liquid, so that the contact area between the dispensing liquid falling on the substrate 21 and the substrate 21 is substantially equal to the surface area of the first magnetic part 111 on the side close to the substrate 21. Referring to fig. 8, the first magnetic attraction portion is not disposed in the drawing (a) of fig. 8111 and fig. 8 (b) are provided with a first magnetic attraction unit 111, and as can be seen from fig. 8 (a) and (b), the path of the dispensing liquid can be modified by the first magnetic attraction unit 111, so that the contact area between the dispensing liquid falling on the substrate 21 and the substrate 21 is substantially equal to the surface area of the first magnetic attraction unit 111 on the side close to the substrate 21. Based on this, the surface area of the first magnetic portion 111 near the substrate 21 and the first magnetic portion 111 and the optical adhesive layer 221 can be set in the first direction F as required 1 And the distance is set to ensure that the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing region 211 on the substrate 21 is within the range of the dispensing region 211.
The preset value D can be selected according to the actual process requirements to ensure that the orthographic projection of the bottom layer of the dispensing solution sprayed to the dispensing region 211 on the substrate 21 is within the range of the dispensing region 211.
In some embodiments, when the dispensing apparatus 10 is used, the first magnetic attraction portion 111 and the optical adhesive layer 221 may be first attracted in the first direction F 1 The distance is greater than a predetermined value D (as shown in fig. 2 and 3) to ensure that the orthographic projection of the bottom layer of the dispensing solution sprayed to the dispensing region 211 on the substrate 21 is within the dispensing region 211, and then the first magnetic part 111 is driven along the first direction F 1 Moving the first magnetic part 111 and the optical adhesive layer 221 in the first direction F 1 The upper pitch is equal to a preset value D (as shown in fig. 4) so that the top layer of the dispensing liquid sprayed to the dispensing area 211 can be connected to the frame 23 and the connection layer 222, respectively.
In the present embodiment, the connection layer 222 has the protrusion 2221 protruding out of the optical adhesive layer 221 along the first direction, which is beneficial for the top layer of the dispensing liquid to be connected to the protrusion 2221 of the optical adhesive layer 221 by means of surface tension, so as to better ensure that the top layer of the dispensing liquid sprayed to the dispensing area 211 can be connected to the frame 23 and the connection layer 222, respectively.
Specifically, in the embodiment shown in fig. 5, the dispensing layer 132 formed by curing the dispensing solution includes a first portion 1321 and a second portion 1322 connected in sequence from bottom to top, the first portion 1321 is along the first direction F 1 Is smaller than the second portion 1322 along the first direction F 1 The spot glue layer 132 is integrally of a structure with a small lower part and a large upper partThe first portion 1321 of the adhesive dot layer 132 and the optical adhesive layer 221 can be arranged along the first direction F 1 The second portion 1322 of the dot glue layer 132 can be attached to the frame 23 and the attachment layer 222, respectively.
In other embodiments, the first magnetic attraction portion 111 and the optical adhesive layer 221 are disposed in the first direction F 1 The upper distance is equal to the preset value D, when the dispensing device 10 is used, on one hand, the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area 211 on the substrate 21 can be located in the range of the dispensing area 211, and on the other hand, the top layer of the dispensing liquid sprayed to the dispensing area 211 can be respectively connected to the frame 23 and the connecting layer 222.
In some embodiments, referring to fig. 5, the dispensing apparatus 10 further includes a curing mechanism 150 capable of curing the dispensing solution, and the dispensing solution sprayed to the dispensing region 211 can be cured and shaped by the curing mechanism 150.
The curing mechanism 150 may be a photo-curing mechanism or a thermal-curing mechanism, and is not particularly limited herein, and may be specifically selected according to the type of the glue solution.
In some embodiments, the first magnetic attraction 111 is configured to be capable of attracting the substrate 21 in a first direction F 1 And (4) moving.
Thus, the first magnetic attraction part 111 can be adjusted along the first direction F as required 1 Relative to the position of the substrate 21, so as to ensure that the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area 211 on the substrate 21 is within the range of the dispensing area 211, and enable the top layer of the dispensing liquid sprayed to the dispensing area 211 to be respectively connected to the frame 23 and the connecting layer 222.
In some embodiments, referring to fig. 2 to 4, the first magnetic controller 110 further includes a first driving member 112, an output end of the first driving member 112 is connected to the first magnetic attraction portion 111 to drive the first magnetic attraction portion 111 to move along the first direction F relative to the substrate 21 1 And (4) moving.
The first driving member 112 can be used to drive the first magnetic attraction portion 111 to move along the first direction F relative to the substrate 21 1 And (4) moving.
The first drive member 112 may be a motor which may be a wireThe rod assembly converts the rotation of the transmission shaft of the motor into a first magnetic attraction 111 along a first direction F relative to the base material 21 1 The movement of (2); the first driving member 112 may also be an air cylinder, and of course, the first driving member 112 may also be other members capable of driving the first magnetic attraction portion 111 to move along the first direction F relative to the substrate 21 1 The moving parts are not particularly limited herein.
In some embodiments, referring to fig. 2-4, the first driving member 112 includes a first cylinder, and a piston rod of the first cylinder is connected to the first magnetic attraction portion 111.
The first magnetic attraction part 111 can be driven by the first air cylinder to move along the first direction F relative to the base material 21 1 Move, the stroke of the first cylinder can be selected as required to ensure that when the piston rod of the first cylinder extends out, the first magnetic attraction part 111 and the optical adhesive layer 221 are in the first direction F 1 The upper pitch is equal to the preset value D.
In some embodiments, the dispensing apparatus 10 further includes a controller electrically connected to the dispensing mechanism 130 and the first driving member 112, respectively.
The controller calculates the height of the dispensing solution sprayed to the dispensing region 211 according to the dispensing amount sprayed by the dispensing mechanism 130, and controls the first driving member 112 to drive the first magnetic attraction part 111 to move along the first direction F relative to the substrate 21 when the height of the dispensing solution sprayed to the dispensing region 211 is greater than a preset height 1 Moving until the first magnetic attraction part 111 and the optical adhesive layer 221 are in the first direction F 1 The upper pitch is equal to the preset value D.
Thus, the size of the dispensing solution sprayed to the dispensing region 211 can be controlled more precisely, so that the orthographic projection of the bottom layer of the dispensing solution sprayed to the dispensing region 211 on the substrate 21 can be ensured to be located within the range of the dispensing region 211, and in addition, the top layer of the dispensing solution sprayed to the dispensing region 211 can also be respectively connected to the frame 23 and the connecting layer 222.
The height of the glue is such that the glue is pointing in a second direction F 2 The size of (c).
In some embodiments, referring to fig. 2 to fig. 4, the dispensing apparatus 10 further includes a base 140, the substrate 21 is fixed on the top of the base 140 in an absorbing manner, and the first magnetic controller 110 and the second magnetic controller 120 are disposed on the base 140.
The display device 20 can be well fixed on the base 140, so that the front projection of the bottom layer of the dispensing fluid sprayed to the dispensing region 211 on the substrate 21 is located within the dispensing region 211 by using the dispensing device 10 of the present application, and in addition, the top layer of the dispensing fluid sprayed to the dispensing region 211 can also be respectively connected to the frame 23 and the connecting layer 222.
In this embodiment, the first driving member 112 of the first magnetic controller 110 is mounted on the base 140, and the first magnetic attraction part 111 is capable of attracting the base 140 along the first direction F 1 And (4) moving.
In some embodiments, referring to fig. 9, a groove 141 for placing the substrate 21 is concavely formed on the top of the base 140, and the base 140 is further provided with a vacuum absorption hole communicated with the groove 141 to absorb and fix the substrate 21 in the groove 141, so as to improve the stability of the display device 20 and facilitate better bonding operation for the display device 20.
In some embodiments, the second magnetic attraction 121 is configured to be capable of attracting the frame 23 in a second direction F 2 And (4) moving.
The second magnetic attraction part 121 can be adjusted along the second direction F according to the height position of the display device 20 2 With respect to the position of the frame 23, the second magnetic attraction part 121 is better utilized to magnetically attract the dispensing liquid sprayed to the dispensing area 211.
In some embodiments, referring to fig. 2-4, the second magnetic controller 120 further includes a second driving member 122, an output end of the second driving member 122 is connected to the second magnetic attraction portion 121 to drive the second magnetic attraction portion 121 to move along the second direction F relative to the frame 23 2 And (4) moving.
Likewise, the second driving member 122 may be an electric motor or an air cylinder, and is not limited in particular. Figure 3 gives an example where the second drive 122 is a second cylinder.
In some embodiments, referring to fig. 2 to fig. 4, the dispensing apparatus 10 further includes a side seat 142, the second driving member 122 of the second magnetic controller 120 is mounted on the side seat 142, and the second magnetic attraction portion 121 can be disposed along the second direction F relative to the side seat 142 2 And (4) moving.
In some embodiments, referring to fig. 10, the substrate 21 has a curved surface, and the first magnetic attraction part 111 may also be used to control a dispensing path of the dispensing solution sprayed on the curved surface of the substrate 21, so as to ensure that a certain interval exists between the bottom layer of the dispensing solution sprayed on the curved surface of the substrate 21 and the optical adhesive layer 221.
Fig. 11 shows a schematic flow chart of a dispensing method according to an embodiment of the application.
Referring to fig. 11, a dispensing method according to an embodiment of the present application, which utilizes the dispensing apparatus 10 to dispense glue to the display apparatus 20, includes:
s310, the first magnetic part 111 and the optical adhesive layer 221 of the display module 22 are attracted in a first direction F 1 The distance above is greater than or equal to a preset value D.
S320, controlling the nozzle 131 of the dispensing mechanism 130 to dispense toward the dispensing region 211, so that the orthographic projection of the bottom layer of the dispensing solution sprayed to the dispensing region 211 on the substrate 21 is located within the dispensing region 211 by the first magnetic attraction part 111 and the second magnetic attraction part 121.
By using the dispensing method, the bottom layer of the dispensing liquid sprayed to the dispensing region 211 can be well prevented from contacting the optical adhesive layer 221, and the problem that the display module 22 has water ripples and the like due to the contact of the dispensing liquid and the optical adhesive layer 221 can be avoided.
In some embodiments, before the step S320 of controlling the nozzle 131 of the dispensing mechanism 130 to dispense toward the dispensing region 211 to spray the liquid to the dispensing region 211 by means of the first magnetic attraction part 111 and the second magnetic attraction part 121, the dispensing method further includes:
the distance between the first magnetic attraction part 111 and the optical adhesive layer 221 in the first direction is greater than the preset value D, so as to ensure that the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing region 211 on the substrate 21 is located within the range of the dispensing region 211.
If the height of the dispensing liquid sprayed to the dispensing region 211 is greater than the preset height, the first magnetic attraction part 111 is driven to move along the first direction F 1 Moving the first magnetic part 111 and the optical adhesive layer 221 in the first direction F 1 The upper spacing is equal to the preset value D so as to spray the glue to the glue dispensing area 211A top layer of glue may be attached to the frame 23 and the connecting layer 222, respectively.
An embodiment of the present application provides a dispensing solution, which is used in the dispensing method in cooperation with the dispensing apparatus 10, where the dispensing solution includes a dispensing solution and a magnetic substance.
The magnetic substance is magnetic powder, and the magnetic powder can be made of metal, such as magnetic powder including at least one of manganese powder and zinc powder; the magnetic powder may be other compounds that can be added to the glue solution and do not participate in the curing reaction and have magnetism, and is not particularly limited herein.
The glue solution may include a thermosetting resin, a photo-curable resin, or other resins that can be cured by a condition other than light and heat, and is not particularly limited herein.
In some embodiments, the glue solution comprises 0.5-0.7 part of curing resin, 1-6 parts of adhesive, 0.01-2 parts of thickening agent and 0.05-6 parts of initiator, and the glue solution comprises 85-95 parts of magnetic substances.
If the cured resin is a photo-cured resin, the initiator is a photo-initiator, and the curing mechanism 150 is a photo-curing mechanism; similarly, if the curable resin is a thermosetting resin, the initiator is a thermal initiator, and the curing means 150 is a thermosetting means.
The first magnetic part 111 and/or the second magnetic part 121 can be used to magnetically attract the dispensing solution containing magnetic material, so as to ensure that the orthographic projection of the bottom layer of the dispensing solution sprayed to the dispensing region 211 on the substrate 21 is located within the range of the dispensing region 211, and in addition, the top layer of the dispensing solution sprayed to the dispensing region 211 can also be respectively connected to the frame 23 and the connecting layer 222.
In some embodiments, the dispensing fluid includes 0.5 parts of curing resin, 1 part of binder, 0.01 parts of thickener, 0.05 parts of initiator and 85 parts of magnetic substance.
In some embodiments, the dispensing fluid includes 0.7 parts of a curing resin, 6 parts of a binder, 1 part of a thickener, 6 parts of an initiator, and 95 parts of a magnetic substance.
In some embodiments, the dispensing fluid includes 0.6 parts of curing resin, 3 parts of binder, 2 parts of thickener, 3 parts of initiator and 90 parts of magnetic substance.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. The utility model provides a dispensing device for display device, display device includes substrate and interval arrangement in the display module assembly and the frame of substrate, its characterized in that, dispensing device includes:
the first magnetic controller comprises a first magnetic part which is arranged at the bottom side of the base material and extends along a first direction;
the second magnetic controller comprises a second magnetic part which is arranged on one side of the frame, which is far away from the display module, and extends along a second direction which is vertical to the first direction; the substrate is provided with a dispensing area located between the display module and the frame, and the distance between the dispensing area and the optical adhesive layer of the display module in the first direction is a preset value;
the dispensing mechanism comprises a nozzle facing the dispensing area, the nozzle is configured to be capable of spraying dispensing liquid containing magnetic substances to the dispensing area, and the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area on the base material is located in the range of the dispensing area by means of the first magnetic suction part and the second magnetic suction part.
2. The dispensing apparatus according to claim 1, wherein the display module comprises an optical adhesive layer and a connecting layer, the optical adhesive layer and the connecting layer are stacked, and a side of the optical adhesive layer facing away from the connecting layer is disposed on the substrate;
the distance between the first magnetic suction part and the optical adhesive layer in the first direction is larger than or equal to the preset value, so that the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area on the base material is located in the range of the dispensing area.
3. The dispensing apparatus for a display apparatus according to claim 1, wherein the first magnetic attraction is configured to be movable in the first direction relative to the substrate.
4. The dispensing apparatus of claim 3, wherein the first magnetic controller further comprises a first driving member, and an output end of the first driving member is connected to the first magnetic attraction portion to drive the first magnetic attraction portion to move along the first direction relative to the substrate.
5. The dispensing apparatus according to claim 4, wherein the first driving member comprises a first cylinder, and a piston rod of the first cylinder is connected to the first magnetic attraction portion.
6. The dispensing apparatus of claim 4, further comprising a controller electrically connected to the dispensing mechanism and the first driving member, respectively.
7. The dispensing apparatus for a display device according to claim 1, wherein the dispensing apparatus further comprises a base, the substrate being attached to a top of the base;
the first magnetic controller and the second magnetic controller are both arranged on the base.
8. The dispensing apparatus for a display apparatus according to claim 1, wherein the second magnetic attraction is configured to be movable in the second direction relative to the frame.
9. The dispensing apparatus of claim 8, wherein the second magnetic controller further comprises a second driving member, an output end of the second driving member is connected to the second magnetic attraction portion to drive the second magnetic attraction portion to move along the second direction relative to the frame.
10. A dispensing method for dispensing a display device using the dispensing apparatus for a display device according to any one of claims 1 to 9, the dispensing method comprising:
enabling the distance between the first magnetic suction part and an optical adhesive layer of the display module in the first direction to be larger than or equal to the preset value;
and controlling a nozzle of the dispensing mechanism to dispense towards the dispensing area so as to enable the orthographic projection of the bottom layer of the dispensing liquid sprayed to the dispensing area on the base material to be positioned in the range of the dispensing area by means of the first magnetic absorption part and the second magnetic absorption part.
11. A dispensing solution for use in the dispensing method of claim 10 in combination with the dispensing apparatus for a display device of any one of claims 1 to 9, the dispensing solution comprising a glue solution and a magnetic substance.
12. The glue solution of claim 11, wherein the glue solution comprises 0.5-0.7 parts of curing resin, 1-6 parts of adhesive, 0.01-2 parts of thickening agent and 0.05-6 parts of initiator;
the glue solution comprises 85-95 parts of the magnetic substance.
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Effective date of registration: 20240109 Address after: 518109, Building E4, 101, Foxconn Industrial Park, No. 2 East Ring 2nd Road, Fukang Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province (formerly Building 1, 1st Floor, G2 District), H3, H1, and H7 factories in K2 District, North Shenchao Optoelectronic Technology Park, Minqing Road, Guangdong Province Patentee after: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. Patentee after: Interface Technology (Chengdu) Co., Ltd. Patentee after: GENERAL INTERFACE SOLUTION Ltd. Address before: No.689 Hezuo Road, West District, high tech Zone, Chengdu City, Sichuan Province Patentee before: Interface Technology (Chengdu) Co., Ltd. Patentee before: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. Patentee before: Yicheng Photoelectric (Wuxi) Co.,Ltd. Patentee before: GENERAL INTERFACE SOLUTION Ltd. |