CN100470336C - Method for compensating for any of shortage and excess of sealant dispensed on a substrate - Google Patents
Method for compensating for any of shortage and excess of sealant dispensed on a substrate Download PDFInfo
- Publication number
- CN100470336C CN100470336C CNB2007100799298A CN200710079929A CN100470336C CN 100470336 C CN100470336 C CN 100470336C CN B2007100799298 A CNB2007100799298 A CN B2007100799298A CN 200710079929 A CN200710079929 A CN 200710079929A CN 100470336 C CN100470336 C CN 100470336C
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- Prior art keywords
- sealant
- substrate
- liquid crystal
- pattern
- shortage
- 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.)
- Expired - Fee Related
Links
- 239000000565 sealant Substances 0.000 title claims abstract description 118
- 239000000758 substrate Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 61
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- 230000007812 deficiency Effects 0.000 description 5
- 230000001143 conditioned effect Effects 0.000 description 3
- 235000011837 pasties Nutrition 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- 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
- 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
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1341—Filling or closing of cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1341—Filling or closing of cells
- G02F1/13415—Drop filling process
Abstract
The present invention provides a method for calculating an amount of liquid crystal to compensate for any of shortage and excess of sealant dispensed on a substrate. The method includes: putting the substrate on a stage; dispensing the sealant in a predetermined pattern on the substrate using a dispensing head; detecting an out-of-specification portion of the pattern of sealant and calculating a cubage of the out-of-specification portion of the pattern of sealant; and calculating any of shortage and excess of sealant due to the out-of-specification of the pattern of sealant. The liquid crystal dispenser adjusts a reference amount of liquid crystal to be dispensed, according to the data provided from the controlling unit of the sealant dispenser. This prevents the liquid crystal from being excessively dispensed, thereby overflowing over the pattern of sealant, or from being insufficiently dispensed.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
The application requires the right of priority of 2006-18237 korean patent application of submitting on February 24th, 2006 and the 2007-10154 korean patent application of submitting on January 31st, 2007, and its full content is hereby expressly incorporated by reference.
Technical field
The present invention relates to be used for calculate the method that is used to remedy any of shortage that is distributed in the sealant on the substrate and excessive amount of liquid crystal by the volume that calculating is formed on the substandard part of the sealant pattern on the substrate.
Background technology
Compare with the large volume cathode ray tube (CRT) of same screen size, LCD (LCD) is low in energy consumption, size is less, picture quality is remarkable.LCD has determined firm foothold as being used for flat-panel monitors such as computing machine, forwarding business, communication, instrument on market, and more and more important for televisor.
Thin film transistor (TFT) (TFT) LCD comprises the interlayer that tft array substrate and these two substrates of colorful optical filter array substrate separate 4-5 μ m and are formed for liquid crystal layer.At the place, periphery that shows the ken, adhesive (glue seal) sticks together these two substrates and prevents that moisture and pollutant from entering in the LC fluid.
Coating apparatus for sealant distributes sealant, and it is used for bonding these two substrates of the predetermined pattern on the substrate.
Coating apparatus for sealant comprises: worktable, and substrate is placed thereon; Dispensing head which is provided with sealant by its nozzle that distributes; The head support framework, dispensing head is provided thereon; And control module, control is used to make motor that the head support framework moves and be used to the motor that makes that dispensing head moves.
The syringe that holds sealant is connected with nozzle.The syringe that is connected with nozzle is set at dispensing head afterwards.
Coating apparatus for sealant forms the pattern of sealant on substrate in the relative distance that changes between substrate and the nozzle.
That is to say that when distributing sealant, substrate moves along a direction, and the dispensing head on the head support framework moves along the direction perpendicular to the substrate moving direction.
Fig. 1 shows the skeleton view of the dispensing head of traditional sealant divider.Fig. 2 and Fig. 3 show side view and vertical view how to check the pattern that is formed on the sealant on the substrate respectively.
As shown in fig. 1, traditional sealant dispenser head 100 comprises: main part (main block) 102, be located at head support framework (not shown); Head part 104 removably is provided with the syringe that holds sealant on it; Mobile unit 103 makes head part 104 flatly move around along the direction perpendicular to the head support framework; And the nozzle (not shown), be located at the foot of head part 104.
Mobile unit 103 (not shown) comprise linear mobile device, and it has servomotor and is attached thereto the motor shaft that connects.Mobile unit 103 makes head part 104 flatly move around to set the position of nozzle (not shown) with respect to substrate along the direction perpendicular to the head support framework.
The one Z-spindle motor 107 is located at the top of main body 102.The one Z-spindle motor 107 is regulated the position of nozzle by mobile mobile unit 103 vertically.The 2nd Z-spindle motor 108 is located at main part 102.The 2nd Z-spindle motor 108 is accurately regulated the height of nozzle to set the distance between nozzle and the substrate.Can only use a Z-spindle motor 107 to regulate the height of nozzle, and need not the 2nd Z-spindle motor 108 is located at main part 102.
By make nozzle laterally move along head support framework mobile agent part 102.
The first and second sensor 109a and 109b are located at a side of head part 104.The direction that first sensor 109a is assigned with along sealant wherein is provided with the front of nozzle.First sensor 109a is used for detecting the relative distance between nozzle and the substrate surface when being distributed in sealant on the substrate.Distributing sealant to make according to the relative distance between nozzle and the substrate surface can be distributed in sealant on the substrate equably.The second sensor 109b is used to measure the cross-sectional area that is distributed in the sealant on the substrate with given pattern.
Based on the cross-sectional area at predetermined point place on the sample measurement sealant pattern, whether suitably be formed on the substrate to detect the sealant pattern.
As the result who measures the cross-sectional area at predetermined point place on the sealant pattern, when not detecting substandard pattern, the substrate that is formed with the sealant pattern on it is sent to the liquid crystal dispensing apparatus (not shown).Liquid crystal is dispensed on the substrate at interval with rule in liquid crystal dispensing apparatus.
Yet owing to the sealant pattern is formed on the substrate inadequately, so sealant can be assigned with greater or less than reference quantity.Subsequently, under the excessive or not enough situation of the sealant that the substandard part of the sealant pattern that forms in not remedying owing to coating apparatus for sealant causes, the liquid crystal of liquid crystal dispensing apparatus assigned references amount on substrate.For example, surpassing after suitable amount is dispensed on the substrate, when the liquid crystal of assigned references amount, liquid crystal will spill on the pattern of sealant when these two substrates of assembling at sealant.This causes the defective among the LCD.
Summary of the invention
Therefore, the objective of the invention is to calculate and be used to remedy any of shortage that is distributed in the sealant on the substrate and excessive amount of liquid crystal by the volume that calculating is formed on the substandard part of the sealant pattern on the substrate.
According to an aspect of the present invention, provide to be used to remedy any of shortage that is distributed in the sealant on the substrate and excessive method, this method comprises: substrate is placed on the worktable; Use dispensing head that sealant is distributed on the substrate with predetermined pattern; Check the substandard part of sealant pattern and calculate the volume of the substandard part of sealing agent pattern; Calculate any of shortage of the sealant that the substandard part owing to the sealant pattern causes and excessive; And any of shortage of sealant and the information of excessive aspect offered liquid crystal dispensing apparatus.
From the detailed description of the present invention below in conjunction with accompanying drawing, aforementioned and other purpose of the present invention, feature, aspect and advantage will become more obvious.
Description of drawings
Included and the present invention is further understood and the combined accompanying drawing of coming in and constituting this instructions part shows embodiments of the invention, and be used for explaining principle of the present invention with instructions to provide.
In the accompanying drawings:
Fig. 1 shows the skeleton view of the dispensing head of traditional sealant divider;
How Fig. 2 and Fig. 3 show side view and the vertical view that the sensor inspection of being located at the head part of traditional sealant divider by use is formed on the pattern of the sealant on the substrate respectively;
Fig. 4 shows the skeleton view according to coating apparatus for sealant of the present invention;
Fig. 5 shows the front view that how to pass through to distribute according to the dispensing head of coating apparatus for sealant of the present invention sealant;
Fig. 6 shows the process flow diagram that calculating according to the present invention is used to remedy the step of any of shortage that is distributed in the sealant on the substrate and excessive amount of liquid crystal;
Fig. 7 shows the view of the substandard part of the sealant pattern that the sealant deficiency occurs; And
Fig. 8 shows the view of the substandard part that the excessive sealant pattern of sealant occurs.
Embodiment
The present invention is more fully described hereinafter with reference to the accompanying drawings, exemplary embodiments of the present invention wherein shown in the drawings.Yet the present invention can multi-formly embody and should not think the embodiment that it is confined in the literary composition to be set forth with many.On the contrary, it is open more abundant in order to make that these embodiment are provided, and passes on scope of the present invention to those skilled in the art.In the accompanying drawings, for the sake of clarity, the size and the relative size in layer and zone can be exaggerated.Identical in the accompanying drawings drawing reference numeral is represented components identical.
It should be understood that when element or layer be called as be positioned at another element or layer " on " or " being connected to " another element or when layer, it can be located immediately at or be connected directly to another element or layer, perhaps can have insertion element or layer.On the contrary, when element is called as " being located immediately at " or " being connected directly to " another element or layer, there are not insertion element or layer.
Fig. 4 shows the skeleton view of coating apparatus for sealant.Fig. 5 shows the front view that how to pass through to distribute according to the dispensing head of coating apparatus for sealant of the present invention sealant.Fig. 6 shows the process flow diagram that calculates the step be used to remedy any of shortage that is distributed in the sealant on the substrate and excessive amount of liquid crystal.
Coating apparatus for sealant comprises: main body 10; Be located at the worktable 40 of main body 10, substrate is placed thereon; The movable workbench device makes worktable 40 move around along the direction perpendicular to the head support framework; A pair of head support framework 50 moves around its length direction along worktable 40; A plurality of dispensing heads 30 are located at head support framework 50, are used for sealant is distributed in substrate " G "; And the control module (not shown), be connected to dispensing head 30, be used to control the amount of the sealant on substrate to be allocated.
Use description to below sealant is distributed in process on the substrate.
Make two head support frames 50 move in opposite direction to allow substrate " G " to be placed on the worktable 40 by the space between these two head support frames 50.
Air-breathing and substrate " G " is remained on the worktable by the opening (not shown) that forms on the worktable.
These two head support frames turn back to its original position when substrate " G " is maintained on the worktable.
Then, be predetermined value with the distance setting between the distal point of the surface of substrate " G " and nozzle 36.
Afterwards, the movable workbench device along make worktable 40 move perpendicular to the direction of head support framework and/or head support framework 50 on dispensing head 30 when head support framework 50 moves, sealant is dispensed on the surface of substrate " G " with quadrangle patterns 20.
The data of the relative distance aspect that obtains from first sensor 34 are transferred to control module in real time and are stored in the there.
After being distributed in sealant on the substrate, check whether sealant is suitably distributed by specification with specific pattern.By will be on the sealant pattern some cross-sectional area of the sealant at place carry out this program with comparing with reference to cross-sectional area.
The specified point that second sensor passes on (across) sealant pattern scans, and the permissible range that can provide has been provided the relative distance between this some place's nozzle and substrate surface.Control module is according to the cross-sectional area of this some sealant of data computation that obtains from second sensor.The predetermined point that second sensor can cross on the sealant pattern scans, and (statically) has high-frequency defective regularly at this some place.
Sealant cross-sectional area when this some place is confirmed as substandard words, the substandard part of the second sensor scan sealant pattern.Control module calculates the excessive or in shortage of sealant according to the data that obtain with respect to the substandard part of sealant pattern from second sensor.
Control module calculates the amount of liquid crystal excessive or in shortage that is used to remedy sealant.Control module is provided for remedying the data of the amount of liquid crystal aspect excessive or in shortage of sealant to the liquid crystal dispensing apparatus (not shown).The reference quantity that the data that liquid crystal dispensing apparatus provides according to the control module from coating apparatus for sealant are regulated liquid crystal to be allocated.
The substandard part of sealant pattern has been shown in Fig. 7 and Fig. 8.Pattern shown in Fig. 7 " P1 " has the substandard part " E1 " that the sealant deficiency occurs.When the distance between the upper surface of nozzle 36 and substrate " S " surpass predetermined reference apart from the time this phenomenon takes place.In this case, control module is according to the volume that calculates inside withdrawal (retreating) zone that has been assigned with sealant by the cross-sectional area that uses the substandard part " E1 " that second sensor records.Afterwards, control module calculates the corresponding amount of liquid crystal of volume with the withdrawal zone,, remedies the amount of liquid crystal of the deficiency of sealant that is.
Control module can provide data with the corresponding amount of liquid crystal of the volume aspect in inner withdrawal zone to the liquid crystal dispensing apparatus (not shown).Therefore, liquid crystal dispensing apparatus will be added on the reference quantity of liquid crystal with the corresponding amount of liquid crystal of volume in withdrawal zone, inside, distributes the liquid crystal of the reference quantity that is conditioned afterwards in the pasty state pattern on being formed on substrate.This deficiency that prevents liquid crystal is distributed.
Pattern shown in Fig. 8 " P2 " has and the excessive substandard part " E2 " of sealant occurs.When the distance between the upper surface of nozzle 36 and substrate " S " do not reach predetermined reference apart from the time this phenomenon takes place in this case, control module is according to the volume that calculates the inside outburst area that also is not assigned with sealant by the cross-sectional area that uses the substandard part " E2 " that second sensor records.Afterwards, control module calculates the corresponding amount of liquid crystal of volume with inner outburst area,, remedies the excessive amount of liquid crystal of sealant that is.
Control module can provide data with the corresponding amount of liquid crystal of the volume of inner outburst area aspect to the liquid crystal dispensing apparatus (not shown).Therefore, liquid crystal dispensing apparatus deducts from the reference quantity of liquid crystal and the corresponding amount of liquid crystal of the volume of inner outburst area, distributes the liquid crystal that is conditioned reference quantity afterwards in the pasty state pattern on being formed on substrate.This deficiency that prevents liquid crystal is distributed.This prevents the over-allocation of liquid crystal, thereby spills on the sealant pattern.
Under the situation that does not have to calculate the not enough or excessive amount of liquid crystal be used to remedy sealant, control module can provide the data of the volume aspect of the volume in inner withdrawal zone or inner outburst area to liquid crystal dispensing apparatus.In this case, liquid crystal dispensing apparatus calculates the volume in inner withdrawal zone or the volume of inner outburst area according to the cross-sectional area of the substandard part " E1 " of using second sensor to record or " E2 ".Afterwards, liquid crystal dispensing apparatus calculates and the volume in inner withdrawal zone or the corresponding amount of liquid crystal of volume of inner outburst area,, is used to remedy the not enough or excessive amount of liquid crystal of sealant that is.
Therefore, liquid crystal dispensing apparatus will be added on the reference quantity of liquid crystal with the corresponding amount of liquid crystal of volume in withdrawal zone, inside or deduct from the reference quantity of liquid crystal and the corresponding amount of liquid crystal of the volume of inner outburst area, afterwards the liquid crystal that the assigned references amount is conditioned in the pasty state pattern on being formed on substrate.
Owing under the prerequisite that does not deviate from its spirit or essential characteristic, can embody the present invention in a variety of forms, so should be appreciated that, except as otherwise noted, otherwise the foregoing description is not limited by previously described any details, on the contrary, should think broadly that the present invention drops in its spirit and scope that claims limit, all variations and the change that therefore fall within the equivalent of this claim border and scope or described border and scope all should be included within the claims.
Claims (8)
1. one kind is used to calculate the method that is used to remedy any of shortage that is distributed in the sealant on the substrate and excessive amount of liquid crystal, comprising:
Described substrate is placed on the worktable;
Use dispensing head that sealant is distributed on the described substrate with predetermined pattern;
Check the substandard part of sealant pattern and calculate the volume of the described substandard part of described sealant pattern;
Calculate any of shortage of the sealant that the described substandard part owing to described sealant pattern causes and excessive; And
Calculating is used to remedy any of shortage of sealant and excessive amount of liquid crystal.
2. method according to claim 1 also comprises offering liquid crystal dispensing apparatus with being used to remedy any of shortage of sealant and the information of excessive amount of liquid crystal aspect.
3. method according to claim 1, wherein, according to the volume of the described substandard part by using the described sealant pattern of data computation that second sensor obtains.
4. method according to claim 1, wherein, according to the described substandard part of the described sealant pattern of data check that uses first sensor to obtain and according to the volume of the substandard part of the described sealant pattern of data computation that uses second sensor to obtain.
5. according to claim 3 or 4 described methods, wherein, the cross-sectional area of the substandard part by calculating described sealant pattern and with the cross-sectional area of the described substandard part of the described sealant pattern that calculated volume with the described substandard part of calculating described sealant pattern of comparing with reference to cross-sectional area.
6. the method for any of shortage that is used to make the liquid crystal dispensing apparatus branch be used in and remedies to be distributed in the sealant on the substrate and excessive amount of liquid crystal comprises:
Reception is distributed in any of shortage of the sealant on the substrate and the data of excessive aspect;
Be identified for remedying any of shortage that is distributed in the sealant on the substrate and excessive amount of liquid crystal; And
The liquid crystal that distributes scheduled volume on the zone in the sealant pattern on being distributed in described substrate.
7. method according to claim 6, wherein, being distributed in any of shortage of the sealant on the substrate and the data of excessive aspect is that unit represents with the volume.
8. method according to claim 6, wherein, being distributed in any of shortage of the sealant on the substrate and the data of excessive aspect is that unit represents with weight.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060018237 | 2006-02-24 | ||
| KR20060018237 | 2006-02-24 | ||
| KR1020070010154 | 2007-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101025524A CN101025524A (en) | 2007-08-29 |
| CN100470336C true CN100470336C (en) | 2009-03-18 |
Family
ID=38613972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100799298A Expired - Fee Related CN100470336C (en) | 2006-02-24 | 2007-02-17 | Method for compensating for any of shortage and excess of sealant dispensed on a substrate |
Country Status (3)
| Country | Link |
|---|---|
| KR (2) | KR100804771B1 (en) |
| CN (1) | CN100470336C (en) |
| TW (1) | TW200736770A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220016669A1 (en) * | 2016-07-08 | 2022-01-20 | Macdonald, Dettwiler And Associates Inc. | System and Method for Automated Artificial Vision Guided Dispensing Viscous Fluids for Caulking and Sealing Operations |
| US11969751B2 (en) * | 2021-09-29 | 2024-04-30 | Macdonald, Dettwiler And Associates Inc. | System and method for automated artificial vision guided dispensing viscous fluids for caulking and sealing operations |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5280702B2 (en) * | 2008-02-18 | 2013-09-04 | 武蔵エンジニアリング株式会社 | Application method of liquid material, apparatus and program thereof |
| KR100964949B1 (en) * | 2008-07-30 | 2010-06-21 | 주식회사 탑 엔지니어링 | Method for counting the number of liquid crytal droplet |
| CN104360548B (en) * | 2014-12-09 | 2017-06-06 | 合肥鑫晟光电科技有限公司 | Liquid crystal ink-jet application equipment and parameter regulation means, liquid crystal coating and inspection system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004109447A (en) * | 2002-09-18 | 2004-04-08 | Seiko Epson Corp | Liquid crystal supply system, method for supplying liquid crystal and method for manufacturing liquid crystal device, and liquid crystal supply program |
-
2007
- 2007-01-31 KR KR1020070010154A patent/KR100804771B1/en not_active IP Right Cessation
- 2007-02-16 TW TW096106296A patent/TW200736770A/en unknown
- 2007-02-17 CN CNB2007100799298A patent/CN100470336C/en not_active Expired - Fee Related
- 2007-10-17 KR KR1020070104758A patent/KR101346782B1/en active IP Right Grant
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220016669A1 (en) * | 2016-07-08 | 2022-01-20 | Macdonald, Dettwiler And Associates Inc. | System and Method for Automated Artificial Vision Guided Dispensing Viscous Fluids for Caulking and Sealing Operations |
| US11969751B2 (en) * | 2021-09-29 | 2024-04-30 | Macdonald, Dettwiler And Associates Inc. | System and method for automated artificial vision guided dispensing viscous fluids for caulking and sealing operations |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100804771B1 (en) | 2008-02-19 |
| KR101346782B1 (en) | 2014-02-27 |
| KR20070104507A (en) | 2007-10-26 |
| TW200736770A (en) | 2007-10-01 |
| CN101025524A (en) | 2007-08-29 |
| KR20070088345A (en) | 2007-08-29 |
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