CN108393212A - Distributor - Google Patents
Distributor Download PDFInfo
- Publication number
- CN108393212A CN108393212A CN201810117180.XA CN201810117180A CN108393212A CN 108393212 A CN108393212 A CN 108393212A CN 201810117180 A CN201810117180 A CN 201810117180A CN 108393212 A CN108393212 A CN 108393212A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- substrate
- distributor
- workbench
- distance
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims abstract description 74
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 238000003384 imaging method Methods 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 8
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 6
- 238000002834 transmittance Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 description 49
- 239000010408 film Substances 0.000 description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1015—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
- B05C11/1018—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target responsive to distance of target
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
-
- 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
- B05C5/0208—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 for applying liquid or other fluent material to separate articles
-
- 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
- B05C5/0225—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 characterised by flow controlling means, e.g. valves, located proximate the outlet
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
- G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Theoretical Computer Science (AREA)
- Coating Apparatus (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Abstract
The present invention provides a kind of distributor, including：Distributor is provided with：Sensor distance measuring unit, it is provided with imaging section, the imaging section is mounted on except workbench, it is configured to be imaged by the luminous point emitted to nozzle under gap sensor and from gap sensor to shoot the picture including the luminous point and the nozzle, and is configured to measure the horizontal subdivision distance between the nozzle and substrate by the picture.Therefore, position distortion may be not present in the picture that can be clearly captured luminous point, and the measurement accuracy of the separation distance between nozzle and gap sensor therefore can be improved.
Description
Technical field
The present invention relates to a kind of distributors, and systems can enhance between nozzle and gap sensor
Separation distance measurement accuracy distributor.
Background technology
Recently, be increasingly used for example liquid crystal display element (liquid-crystal display devices,
LCDs), Plasmia indicating panel (plasma display panels, PDPs) and organic illuminating element (organic
Light emitting devices, OLEDs) etc. two-d display panels.The two-d display panel has light weight, shape fine
Thin and low in energy consumption characteristic.
Such two-d display panel is made by being combined a pair of of planar substrates.That is, being, for example, to make
Make liquid crystal display panel, the lower base for being formed with multiple thin film transistor (TFT)s and multiple pixel electrodes above, Yi Jishang can be made
Face is formed with the upper base of colour filter and common electrode.Then, liquid crystal is dripped in the lower base, and sealant is applied
It is added to the neighboring area of the lower base.Then, it is formed with by the lower base for being formed with pixel electrode above and above altogether
It is positioned to facing with each other with the upper base of electrode, described two substrates is then pressed into means of press seals, to make LCD display
Plate.
At this point, as the mode for applying sealant, the distributor for being provided with nozzle can be used.
Meanwhile when continuously applying sealant on basad, in order to make sealant pattern that there is unified quality, one is needed
Kind is for accurately controlling the distance of the vertical separation between dispenser nozzle and substrate, nozzle height or the technology in gap.Therefore,
Gap sensor is installed, the gap sensor measures nozzle and substrate by being emitted light to the substrate positioned at the side of nozzle
Between vertical separation distance.
In such a situation, in order to accurately measure the vertical separation distance between nozzle and substrate, base will should be emitted to
Light (that is, luminous point) positioning on bottom in the substrate will be except the position that apply sealant and the distance that keeps constant.
That is there are following limitations：When luminous point deviates from except substrate, the outermost edges of interference substrate or interference are formed in base
When film on bottom, the vertical separation distance between nozzle and substrate can not be accurately measured, and therefore sealant pattern becomes
Existing defects.
[existing technical literature]
[patent document]
(patent document 1) Korean Patent Application Publication the 2015-0133885th
Invention content
The present invention provides a kind of distribution for the measurement accuracy that can enhance the separation distance between nozzle and gap sensor
Device.
Accoding to exemplary embodiment, a kind of distributor includes：Workbench is mounted so that substrate assembly table on it
On face；Distributor is provided with：Nozzle can move horizontally on the workbench, and is configured to towards the base
Bottom application adds raw material；And gap sensor, it is located on the side of the nozzle, and be configured to by the substrate
Emit light to measure the vertical separation distance between the substrate and the nozzle；And sensor distance measuring unit, setting
Have：Imaging section, be mounted on the workbench except, be configured to by under the gap sensor to the nozzle and from
The luminous point of gap sensor transmitting is imaged to shoot the picture including the luminous point and the nozzle, and by with
It is set to the horizontal subdivision distance measured on the picture between the nozzle and the luminous point.
The imaging section may include：Window portion, except the workbench be located under the distributor with
It is moved except the workbench, and includes the light transmission member with light transmittance；And imager, it is located in the window portion
Under, and it is configured to the nozzle to being observed by the window portion and from the gap sensor to the window portion
The luminous point of transmitting is imaged.
The light transmittance of the light transmission member can be advantageously 90% to 100%, including 90% and 100%.
The light transmission member may include glass and attach to the film of the glass.
The film may include Kapton Tape (kapton tape).
The thickness of the glass can be advantageously 0.2mm to 0.3mm.
The gap sensor may include：Light emitting portion, for emitting light in the substrate；And light receiver, it uses
In the light that reception is reflected from the substrate, wherein the nozzle can be according to the measurement knot from the sensor distance measuring unit
Fruit moves horizontally along the light emitting portion and the orientation of the light receiver.
The sensor distance measuring unit may include：Analytic unit is configured to measure and is shot by the imaging section
The horizontal subdivision distance between the nozzle and the luminous point on the picture, and by the measured level
Separation distance is compared with reference distance.
The distributor is horizontally moveable to position corresponding with the upper surface of the workbench and to be moved to described
Except workbench, and the imaging section can be assembled and is fixed on the side surface of institute's workbench.
Description of the drawings
Following explanation is read in conjunction with the figure, exemplary embodiment can be more fully understood, in the accompanying drawings：
Fig. 1 and Fig. 2 is the 3-D view for the critical piece for illustrating distributor accoding to exemplary embodiment；
Fig. 3 is to illustrate that wherein sealant is applied to the concept map for being formed with the state in the substrate of film above；
Fig. 4 is the 3-D view of distributor accoding to exemplary embodiment；
Fig. 5 is the figure for the distributor observed under distributor accoding to exemplary embodiment；
Fig. 6 is the sectional view for the critical piece for illustrating distributor accoding to exemplary embodiment；And
Fig. 7 is the figure of the exemplary position for the luminous point that explanation is emitted in substrate.
Specific implementation mode
Hereinafter reference will be made to the drawings elaborates exemplary embodiment.However, the present invention can be embodied as different form without answering
It is construed as limited to embodiments described herein.Particularly, these embodiments are provided so that present disclosure is saturating
It is thorough and complete, and fully convey the scope of the present invention to those skilled in the art.
Fig. 1 and Fig. 2 is the 3-D view for the critical piece for illustrating distributor accoding to exemplary embodiment.Fig. 3 is to say
Bright wherein sealant is applied to the concept map for being formed with the state in the substrate of film above.Fig. 4 is according to exemplary implementation
The 3-D view of the distributor of example.Fig. 5 is the figure for the distributor observed under distributor accoding to exemplary embodiment.Fig. 6
It is the sectional view for the critical piece for illustrating distributor accoding to exemplary embodiment.Fig. 7 is the luminous point that explanation is emitted in substrate
Exemplary position figure.
Referring to FIG. 1 and FIG. 2 and Fig. 4 to Fig. 6, distributor accoding to exemplary embodiment includes being provided with distributor
4100 allocation unit 4000, distributor 4100 have：Workbench 200 is mounted so that substrate S is assemblied in the workbench
Upper surface on；Nozzle 4152 can move horizontally on the workbench, and is configured to apply towards substrate S
Raw material；And gap sensor 4160, it is located on the side of nozzle 4152, and be configured to by emitting on basad S
Light L carrys out the vertical separation distance between measurement base bottom S and nozzle 4152；And sensor distance measuring unit 5000, it is provided with：
Imaging section 5100, be mounted on workbench 200 except, be configured to by under gap sensor 4160 to nozzle 4152 and from
The luminous point that gap sensor 4160 emits is imaged to shoot the picture including the luminous point and nozzle 4152, and by with
It is set to and measures the nozzle 4152 on picture and the distance of the horizontal subdivision between luminous point LS (that is, in light transmission member
Nozzle location NP and the distance between luminous point LS).
In addition, distributor accoding to exemplary embodiment includes：Pedestal 100 is used to support workbench 200；And the
One moves horizontally portion 300, for moving horizontally allocation unit 4000 in a first direction.
Hereinafter, the example as the raw material being applied on substrate S, will illustrate the sealant with adhesive function.Certainly,
It is not limited to the raw material being applied in and only sealant, but a variety of materials can be applied.
Supporting the workbench 200 as the substrate S for the object for applying sealant SL preferably has shape corresponding with substrate S
Shape.Workbench 200 is configured to move horizontally in (x-direction and y-direction) in the horizontal direction.In addition, workbench 200 is set
It is set to the area less than pedestal 100, and is installed on the pedestal.
First level moving portion 300, which is located on workbench 200, to be located at except substrate S, and includes (example in a first direction
Such as, X-direction) on the first guiding elements 310 extended and the first movement sliding block that can be run along the first guiding elements 310
(block)320.The first guiding elements 310 accoding to exemplary embodiment can be such as orbiter, orbital vehicle part (for example, LM guide rails or line
Property guide rail), and the various devices (for example, linear motor) run along the first linear guide elements 310 can be used and be used as first
Mobile sliding block 320.
Allocation unit 4000 includes：Distributor 4100, for applying sealant；Hanger 4200 intersects with first direction
Second party upwardly extend, and be configured to support distributor 4100；And second move horizontally portion 4300, on hanger 4200
It is provided with the second guiding elements upwardly extended in the second party intersected with the first guiding elements 310, and is configured to second
Distributor 4100 is moved horizontally on direction.
Hanger 4200 includes：First supporting member 4210 is guiding structure on pedestal 100 and workbench 200 with first
The side that part 310 intersects upwardly extends；And a pair of second supporting member 4220, respectively have and is connected to the first supporting member 4210
One of both ends one end and the other end that extends towards the first guiding elements 310, wherein first movement sliding block 320 fill
It is fitted on the low portion of the second supporting member 4220.
In such a situation, the first supporting member 4210 is configured to extend, so that one end is located in workbench 200
One outside is upper and its other end is located on another outside of workbench 200.In addition, the second supporting member 4220 is distinguished
In the one end and the other end of the first supporting member 4210.Therefore, it is connected to the of one end of the first supporting member 4210
Two supporting members 4220 are located on pedestal 100 on an outside of workbench 200, and are connected to the first supporting member 4210
The second supporting member 4220 of the other end be located on pedestal 100 on the outside of another of workbench 200.
Second to move horizontally portion 4300 be for being handed over first direction on the first supporting member 4210 of hanger 4200
The device of mobile distributor 4100 in the second direction (that is, Y-direction) of fork.Such second moves horizontally the packet of portion 4300
It includes：Second guiding elements prolongs on direction corresponding with the first supporting member 4210 or on the direction intersected with first direction
It stretches, and is assemblied on the first supporting member 4210；And second movement sliding block (not shown), be assembled to distributor 4100
It was fastened to the second guiding elements while upper and can be run along the second guiding elements.The second guiding structure accoding to exemplary embodiment
Part can be such as orbiter, orbital vehicle part (for example, LM guide rails or linear guides), and can be used run along the second linear guide elements it is each
Kind device (for example, linear motor) moves sliding block as described second.
As shown in Fig. 2, sealant pattern can be applied, with by above-described dispenser unit 4000 in a first direction
Move horizontally and distributor moving horizontally and making the sealant pattern on the substrates along first party in a second direction
To and second direction extend.
As shown in Fig. 2, in general, sealant is applied to the periphery of substrate S, or it is applied in position on the substrates
On the exterior section of the film F of formation.In addition, sealant is applied with the shape corresponding to substrate S.When substrate S is rectangle
When shape, it can be rectangle that sealant, which applies shape, and this moves horizontally portion 4300 due to above-mentioned first level moving portion 300 and second
Presence and be possible.
Distributor 4100 includes：Master slider 4110 is assembled into the second guiding elements being fastened on hanger 4200；Injection
Device 4120, for storing raw material to be applied in (that is, sealant)；Head slider (head block) 4130, assembly
It is removably attached to thereon at syringe is made；Support slipper 4140 is located between head slider 4130 and master slider 4110；
And discharge portion 4150, be provided with nozzle 4152, nozzle 4152 be connected to syringe 4120 and be configured to towards substrate S discharges from
The sealant that syringe 4120 provides；And gap sensor 4160, to be located in nozzle under support slipper 4140
On 4152 side, and it is configured to through the method towards substrate S transmitting light come vertical between measurement base bottom S and nozzle 4152
Separation distance (or nozzle height).Further it is provided that moving up and down the lifting unit (not shown) of entire distributor 4100, and drive
Dynamic portion may be connected to such as support slipper 4140.
In the rear surface of master slider 4110 (that is, on surface of hanger 4200), the second shifting is installed
Movable slider.Therefore, the second movement sliding block is run along the second guiding elements, and therefore has the distributor of master slider 4110 second
It is moved horizontally on direction.
Head slider 4130, the device of the syringe 4120 as firm support storage sealant, may be mounted to be assemblied in branch
It is supported by support slipper 4140 on support sliding block 4140 or in 4140 front of support slipper.More specifically, head slider 4130 includes：
First sliding block 4131 is configured so that at least lower end of syringe 4120 is embedded in, and is configured to support syringe
4120；A pair of second sliding block 4132, is located on the both ends (that is, side and other side) of the first sliding block 4131 to surround
First sliding block 4131, and assemble and be fixed to support slipper 4140；And fastening part 4133, for the first sliding block 4131 to be fastened to
Second sliding block 4132.
Can have inner space, at least low portion of syringe to be inserted into the inner space in first sliding block 4131
Or the sealant of the lower discharge from syringe can temporarily be stored or be moved in the inner space.First sliding block
4131, it as the independent assembly independently of the second sliding block 4132, is configured to separate with the second sliding block 4132, and when by fastening
It (is illustrated later) when the fastening of the first sliding block 4131 of release of portion 4133 and the second sliding block 4132, the first sliding block 4131 horizontal can move
It is dynamic.In such a situation, moving horizontally for the first sliding block 4131 refers between the pair of second sliding block 4132 along the second sliding block
4132 orientation movement, and by such movement, have adjusted the level point between nozzle 4152 and gap sensor 4160
Therefore gauge has adjusted from D and moves horizontally distance between the luminous point emitted from gap sensor 4160 and nozzle 4152.
Fastening part 4133 is for being fastened to the first sliding block 4131 being connect with discharge portion 4150 fixed to support slipper
4140 the second sliding block 4132, or make the first sliding block 4131 being connect with discharge portion 4150 from fixed to support slipper 4140
Two sliding blocks 4132 detach.Fastening part 4133 accoding to exemplary embodiment includes：Fastening member 4133a, along second sliding block
4132, the first sliding block 4131 and the direction of the arrangement of another second sliding block 4132 and setting extend, and therefore may be connected to the
One sliding block 4131 and the pair of second sliding block 4132；And fixing component 4133b, for fix fastening member 4133a and
The pair of second sliding block 4132.In such a situation, fixing component 4133b can be bolt, and be insertable through with bolt
The configuration of fastening member 4133a and the second sliding block 4132.
It is slided by the fastening carried out between the first sliding block 4131 and the second sliding block 4132 by means of fastening part 4133, first
Block 4131 can on the direction residing for second sliding block 4132 in the pair of second sliding block 4132 or another second
It is moved horizontally on direction residing for sliding block 4132.In other words, the first sliding block 4131 can the pair of second sliding block 4132 it
Between move horizontally.Therefore, because the discharge portion 4150 for being connected to the first sliding block 4131 moves horizontally, therefore nozzle 4152 and gap
Horizontal subdivision distance D between sensor 4160 changes.
Discharge portion 4150 is for will discharge or drop onto the device on substrate S from the sealant that syringe 4120 is supplied.
Discharge portion 4150 includes：Bleed member 4151, one end are connected to the inner space of head slider 4130 or are connected to head slider 4130
Interior syringe 4120, and extend to the outside of head slider 4130 or the side residing for gap sensor 4160 upwardly extends；And
Nozzle 4152 is assembled on the low portion for the bleed member 4151 being projected into outside head slider 4130, and is configured to lead to
The sealant for crossing the feeding of bleed member 4151 is discharged on substrate S.
Bleed member 4151 is connected to the first sliding block 4131 of head slider 4130, and from insertion and will be mounted on the first sliding block
The sealant that syringe 4120 in 4131 discharges is moved to nozzle 4152.For this purpose, bleed member 4151, as with for sealing
The device of agent movement or the inner space passed through has the inner space for being connected to head slider 4130 or is connected to syringe 4120
Lower end opening, and nozzle 4152 is assembled on the low portion of bleed member.In addition, can also be further in bleed member
Setting screw members in 4151 are so that sealant can move on the direction residing for nozzle 4152 easily.
Gap sensor 4160, towards substrate S transmitting light (for example, laser), is received from substrate during sealant applies technique
The laser of S reflections, to the separation distance between measurement base bottom S and nozzle 4152.Gap sensor 4160 is installed into and sprays
Mouth 4152 is spaced apart preset distance, and will apply the side transmitting laser of the position of sealant on basad S.
As a kind of range sensor using laser distance measuring, gap sensor 4160 accoding to exemplary embodiment
Including：Light emitting portion 4161, for emitting laser towards substrate S；Light receiver 4162 is arranged to be spaced with light emitting portion 4161
It opens, and is configured to receive the laser reflected from substrate S；And gap computing unit (not shown), it is electrically connected to light hair
Portion and light receiver are penetrated, and is configured to calculate substrate and nozzle by using the laser emitted and the laser received
Between separation distance.In such a situation, light emitting portion 4161 and light receiver 4162 be arranged to discharge portion 4150
(that is, in the first sliding block 4131 and the second sliding block 4132 with head slider 4130 on the direction that extending direction intersects
On the corresponding direction of orientation, or that is, moved horizontally on the corresponding direction in direction with the first sliding block) each other
It is spaced apart.
In addition, bleed member 4151 extends with the compartment across light emitting portion 4161 and light receiver 4162,
And nozzle 4152 is located at the position adjacent with light emitting portion 4161 and light receiver 4162.
Meanwhile although before applying sealant by the separation distance between nozzle 4152 and substrate S be adjusted to reference to away from
From (hereinafter referred to as the first reference distance), but the separation distance between nozzle 4152 and substrate S can be according to the application of such as substrate S
There are the environmental factors such as the flatness of the upper surface of sealant and changes.Therefore, when applying sealant, gap sensor is used
4160 measure the separation distance (that is, gap) between nozzle 4152 and substrate S in real time, and according to measured fructufy
When move up and down distributor 4100.Therefore, the separation distance between nozzle 4152 and substrate S is adjusted to the first reference distance.
That is, when separation distance measured between nozzle 4152 and substrate S exceeds the first reference distance, the portion's of driving upside down drop
Low distributor 4100, and when separation distance measured between nozzle 4152 and substrate S is less than the first reference distance, it drives up and down
Dynamic portion increases distributor 4100.
Hereafter when laser is launched on substrate S, the laser that arrived substrate has dotted, and is therefore referred to as light
Point.
As described above, when sealant is applied in this way on substrate S, by Laser emission to substrate S to survey
Vertical separation distance between flow nozzle 4152 and substrate S.At this point, as shown in fig. 7, laser, which should be launched into, is not launched into base
The outermost edges P2 of bottom S is not launched into film F, but the side of the position SP of sealant will be applied by being launched into.It changes
Sentence is talked about, should be by the optical codes in position P1 when luminous point is positioned in substrate S, and to not interfere, substrate S's is outermost
Position P3 in side position P2 and film F, but should be by the optical codes at towards the side for the position SP that be applied with sealant
It is spaced apart.In such a situation, the side that luminous point should be located of sealant application position can be the external portion corresponding to substrate S
Point rather than the position P1 of part between sealant application position SP and film.
The above-mentioned position of luminous point according between nozzle 4152 and gap sensor 4160, more specifically nozzle 4152 and light
Horizontal subdivision distance D between emission part 4161 and change.Therefore, by measuring nozzle 4152 before actually applied sealant
Separation distance D between gap sensor 4160 simultaneously measures nozzle according to nozzle 4152 is moved horizontally at a distance from measured
Horizontal interval distance D between 4152 and gap sensor 4160, and the horizontal subdivision distance D is adjusted to reference distance
(hereinafter referred to as the second reference distance).That is, before being actually applied on substrate S by sealant, travelling bridge 4200
Or distributor 4100 measures list so that distributor 4100 is oriented to correspond to the sensor distance except workbench 200
The upside of member 5000, and at this point, horizontal subdivision distance D between measurement gap sensor 4160 and nozzle 4152, and will be described
Horizontal subdivision distance D is adjusted to the second reference distance, then applies a sealant on substrate S.
It therefore,, can be by P1 and nozzle 4152 while luminous point is moved to position P1 in practical sealant applies technique
Between horizontal subdivision distance D be adjusted to the second reference distance.
In the exemplary embodiment, when measuring the separation distance between luminous point and nozzle 4152, by from distributor
Nozzle 4152 and luminous point are imaged under 4100 and analyze captured picture to execute measurement.
Sensor distance measuring unit 5000 includes：Imaging section 5100, for shooting nozzle under distributor 4100
4152 and luminous point picture；And display unit 5200, for showing by the captured picture figure captured by imaging section 5100
Picture；And analytic unit 5300, measured on shown picture on display unit 5200 nozzle 4152 and luminous point it
Between distance.
Imaging section 5100 includes：Window portion 5110 is oriented the nozzle corresponding to distributor 4100 during measurement
4152 downside and gap sensor 4160, and there is scheduled opacity；Imager 5120, setting with the imaging
Under device window portion 5110 spaced apart, and it is configured to be emitted to window portion 5110 to what is observed by window portion 5110
Luminous point and nozzle are imaged；And fixture 5130, it is assembled on workbench 200 in support window portion 5110 and imager
It is horizontally moveable while 5120.
Window portion 5110 includes：Light transmission member 5111 has predetermined light transmittance and be configured so that can be from window portion
Nozzle 4152 and luminous point are observed under 5110；And assembly fixture 5112, it is assembled on fixture 5130 to support light transmission member
5111。
Light transmission member 5111 is when with predetermined thickness with opaque more than or equal to 90% and less than 100%
Property.Light transmission member 5111 accoding to exemplary embodiment includes：Glass 5111a has predetermined thickness；And film 5111b, patch
It is attached at least one of the upper surface and the lower surface of glass 5111a.Therefore, have wherein glass 5111a and film 5111b into
The light transmission member of such configuration of row lamination has the above-mentioned opacity more than or equal to 90% and less than 100%.
Meanwhile when not applying the light transmission member with opacity, takes the image of nozzle but shooting is less than light
The image of point.In addition, when the opacity of film 5111b is less than 90%, it can not be than being 90% in the opacity of film 5111b
Luminous point is better seen in situation.Therefore, in the exemplary embodiment, 90% light transmission structure is not less than using opacity
Part 5111 obtains the image of luminous point clear and without position distortion.
In addition, in the exemplary embodiment, glass 5111a has the thickness of 1mm to 4mm.This is to be emitted in order to prevent
The position distortion of luminous point in light transmission member simultaneously enables dot pattern picture to be formed in light transmission member well.Namely
It says, there are following limitations：When the thickness of glass 5111a is less than 1mm, the position distortion of luminous point can occur, and work as glass 5111a
Thickness when being more than 4mm, dot pattern picture can not be formed in light transmission member well.
Using Kapton Tape as film 5111b accoding to exemplary embodiment, this is because Kapton Tape has
Have so that the property that is totally reflected easily relative to light or laser and with the diffusing reflection of the adhesive tape less than general type.Cause
This can obtain the clear of luminous point as film 5111b by using Kapton Tape from imager accoding to exemplary embodiment
Picture.
Assembly fixture 5112 is so that both light transmission member 5111 and window portion 5110 can be supported on fixture 5130.According to
There is the assembly fixture 5112 of exemplary embodiment hollow shape, the hollow shape to have open central part, and light transmission
Component 5111 is inserted into and in the part of the opening.Certainly, assembly fixture 5112 is not limited to above-mentioned hollow shape, and can
Become sustainable light transmission member 5111 and window portion 5110 is fixed to the variously-shaped of fixture 5130.
The fixture 5130 of support window portion 5110 and imager 5120 can assemble and fixed to the side surface of workbench 200.
More specifically, light transmission member 5111 is assemblied in the upper part of fixture 5130, and a surface of fixture 5130 is fastened to
Workbench 200, and imager 5120 is fastened to the rear surface in face of one surface of fixture.
Entire imaging section 5100 is installed by fixture 5130, entire imaging section 5100 is located in except workbench 200.
At this point, imaging section 5100 upper in any direction can also be mounted on except workbench 200 and be moved in distributor 4100 is located at
Any position in the region of arrival.
Referring to Fig. 1 to Fig. 7, by illustrate sensor distance measuring unit accoding to exemplary embodiment operation, with
And the technique for measuring the separating distance between luminous point and nozzle and thus adjusting the separation distance.
Before applying a sealant to the substrate S for applying target as sealant, executes and measure luminous point and nozzle 4152
Between horizontal subdivision distance D the step of.
First, the distributor to be located corresponding to be located at the upper of the imaging section except workbench by mobile distributor
Side.For this purpose, travelling bridge, is individually moved distributor, or both travelling bridge and distributor simultaneously, and therefore can incite somebody to action on hanger
Distributor is located corresponding to the upside of imaging section.At this point, be moved such that imaging section 5100 window portion 5110 and at
As the position of device 5120 corresponds to the nozzle 4152 and gap sensor 4160 of distributor 4100.
Then, operating clearance sensor 4160, to emit laser to window portion 5110 by light emitting portion 4161.Such one
Come, when laser is launched into window portion 5110, forms luminous point in window portion 5110, and since window portion has 90% or high
In 90% opacity, therefore nozzle 4152 can be identified or observed under window portion 5110.
When laser is launched into window portion 5110, imaging section 5100 is under window portion 5110 to luminous point and nozzle 4152
Imaging.The picture obtained by the imaging is transmitted to display unit 5200 and is shown, and analytic unit 5300 is logical
The coordinate value of luminous point and nozzle 4152 is crossed on picture to calculate the horizontal subdivision distance between nozzle 4152 and luminous point.
In addition, the horizontal subdivision distance calculated is compared with the second reference distance, and work as calculated level point
When gauge exceeds the second reference distance from D, adjust between discharge portion 4150 and the light emitting portion 4161 of gap sensor 4160
Separation distance.That is, when the horizontal subdivision distance D calculated exceed the second reference distance when, with light emitting portion 4161
The first sliding block 4131 is moved horizontally on opposite direction or on the direction towards light receiver 4162.It is calculated on the contrary, working as
Horizontal subdivision distance D be less than the second reference distance when, on the direction towards light emitting portion 4161 or with light receiver 4162
The first sliding block 4131 is moved horizontally on opposite direction.According to the movement of the first sliding block 4131, it is connected to the first sliding block 4131
Discharge portion 4150 is moved together, and therefore the separation distance between nozzle 4152 and luminous point can be adjusted to second with reference to away from
From.
When the separation distance between nozzle 4152 and luminous point reaches the second reference distance, imaging section 5100 is moved to point
Except orchestration 4100, so that imaging section 5100 can not be interfering with each other with distributor 4100.
Then, while mobile allocation unit 4000, substrate S is applied a sealant to.In such a situation, by
While gap sensor 4160 is by Laser emission to substrate S, vertical separation between real-time measurement base bottom S and nozzle 4152 away from
From driving upside down portion according to measured distance operation, and therefore by the vertical separation distance between substrate S and nozzle 4152
Adjustment applies sealant when reaching the first reference distance.
In such a situation, when in Laser emission to substrate S, the luminous point of laser will not interfere film F or substrate S most
Outer ledge does not deviate by out except substrate S (as shown in P4), is located at except sealant application position, and is protected with nozzle 4152
Hold the second reference distance.This is because before sealant application, measured accoding to exemplary embodiment by sensor distance
Unit 5000 has adjusted the horizontal subdivision distance D between luminous point and nozzle.
Therefore, the luminous point of laser will not interfere the outermost edges of film or substrate, not deviate by out except substrate (such as P4
It is shown), and be launched into except sealant application position to keep the second reference distance.It therefore, can during sealant applies
Vertical separation distance between measurement base bottom S and nozzle 4152 easily, and be improved about this reliability.In addition,
During sealant applies, can the vertical separation distance between substrate S and nozzle 4152 be thus adjusted to the first reference distance.Cause
This, can improve the quality of sealant pattern.
Accoding to exemplary embodiment, position distortion may be not present in the clearly picture that can take luminous point, and therefore,
The measurement accuracy of the separation distance between nozzle and gap sensor can be improved.
Therefore, in the actual process for applying raw material, there are following effects：Improve adjustment nozzle and gap sensor it
Between separation distance reliability, and thus improve apply raw material quality.
Claims (9)
1. a kind of distributor, which is characterized in that including：
Workbench is mounted so that substrate assembly on the upper surface of which；
Distributor is provided with：
Nozzle can move horizontally on the workbench, and is configured to apply raw material towards the substrate；With
And
Gap sensor is located on the side of the nozzle, and is configured to by emitting light to measure in the substrate
Vertical separation distance between the substrate and the nozzle；And
Sensor distance measuring unit, including：
Imaging section is mounted on except the workbench, be configured to by under the gap sensor to the nozzle and
The luminous point emitted from the gap sensor is imaged to shoot the picture including the luminous point and the nozzle, and by
It is configured to measure the horizontal subdivision distance between the nozzle and the substrate by the picture.
2. distributor according to claim 1, which is characterized in that the imaging section includes：
Window portion, to be located in be moved except the workbench under the distributor except the workbench,
And include the light transmission member with light transmittance；And
Imager is located under the window portion, and be configured to the nozzle to being observed by the window portion and
The luminous point emitted from the gap sensor to the window portion is imaged.
3. distributor according to claim 2, which is characterized in that the light transmittance of the light transmission member is 90%
To 100%, including 90% and 100%.
4. distributor according to claim 3, which is characterized in that the light transmission member includes glass and attaches to institute
State the film of glass.
5. distributor according to claim 4, which is characterized in that the film includes Kapton Tape.
6. distributor according to claim 4, which is characterized in that the thickness of the glass is 0.2mm to 0.3mm.
7. the distributor according to any one of claim 2 to 6, which is characterized in that the gap sensor includes：
Light emitting portion, for emitting light in the substrate；And
Light receiver, for receiving the light reflected from the substrate, wherein
The nozzle connects along the light emitting portion with the light according to the measurement result from the sensor distance measuring unit
The orientation in receipts portion moves horizontally.
8. distributor according to claim 7, which is characterized in that the sensor distance measuring unit includes：
Analytic unit, the nozzle and the luminous point being configured to measure on the picture shot by the imaging section
Between the horizontal subdivision distance, and the measured horizontal subdivision distance is compared with reference distance.
9. the distributor according to any one of claim 2 to 6, which is characterized in that the distributor is moved horizontally to
Position corresponding with the upper surface of the workbench is simultaneously moved to except the workbench, and imaging section assembly is fixed
On the side surface of institute's workbench.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2017-0016265 | 2017-02-06 | ||
| KR1020170016265A KR102026891B1 (en) | 2017-02-06 | 2017-02-06 | Dispensing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108393212A true CN108393212A (en) | 2018-08-14 |
| CN108393212B CN108393212B (en) | 2022-03-15 |
Family
ID=63096219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810117180.XA Active CN108393212B (en) | 2017-02-06 | 2018-02-06 | Dispensing device |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102026891B1 (en) |
| CN (1) | CN108393212B (en) |
| TW (1) | TW201829076A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170101A (en) * | 2020-08-20 | 2021-01-05 | 山东航天电子技术研究所 | Electronic components point is glued and is sealed device admittedly |
| CN113843114B (en) * | 2021-09-22 | 2022-09-06 | 深圳市华笙光电子有限公司 | LED packaging glue dispensing mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58183958A (en) * | 1982-04-13 | 1983-10-27 | ノ−ドソン・コ−ポレ−シヨン | Blow painting apparatus and method |
| US20050142896A1 (en) * | 2003-04-25 | 2005-06-30 | Semiconductor Energy Laboratory Co., Ltd. | Liquid drop jetting apparatus using charged beam and method for manufacturing a pattern using the apparatus |
| CN102170975A (en) * | 2008-08-08 | 2011-08-31 | 塔工程有限公司 | Device for measuring the relative positioning of the image-forming point of a laser-displacement sensor and the outlet port of the nozzle of a head unit, paste dispenser to which this device for measuring relative positioning is fitted, and a method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040012698A1 (en) * | 2001-03-05 | 2004-01-22 | Yasuo Suda | Image pickup model and image pickup device |
| CN100488777C (en) * | 2004-03-17 | 2009-05-20 | 松下电器产业株式会社 | Liquid drop placing device and liquid drop placing method |
| US9681997B2 (en) | 2013-11-08 | 2017-06-20 | The Procter & Gamble Company | Dual-function fastening member fold configuration for disposable diapers |
-
2017
- 2017-02-06 KR KR1020170016265A patent/KR102026891B1/en active IP Right Grant
-
2018
- 2018-01-17 TW TW107101615A patent/TW201829076A/en unknown
- 2018-02-06 CN CN201810117180.XA patent/CN108393212B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58183958A (en) * | 1982-04-13 | 1983-10-27 | ノ−ドソン・コ−ポレ−シヨン | Blow painting apparatus and method |
| US20050142896A1 (en) * | 2003-04-25 | 2005-06-30 | Semiconductor Energy Laboratory Co., Ltd. | Liquid drop jetting apparatus using charged beam and method for manufacturing a pattern using the apparatus |
| CN102170975A (en) * | 2008-08-08 | 2011-08-31 | 塔工程有限公司 | Device for measuring the relative positioning of the image-forming point of a laser-displacement sensor and the outlet port of the nozzle of a head unit, paste dispenser to which this device for measuring relative positioning is fitted, and a method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102026891B1 (en) | 2019-09-30 |
| KR20180091295A (en) | 2018-08-16 |
| CN108393212B (en) | 2022-03-15 |
| TW201829076A (en) | 2018-08-16 |
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