CN102671820A - Coating assembly - Google Patents
Coating assembly Download PDFInfo
- Publication number
- CN102671820A CN102671820A CN2011101125477A CN201110112547A CN102671820A CN 102671820 A CN102671820 A CN 102671820A CN 2011101125477 A CN2011101125477 A CN 2011101125477A CN 201110112547 A CN201110112547 A CN 201110112547A CN 102671820 A CN102671820 A CN 102671820A
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- Prior art keywords
- coated
- lip
- coating
- slit
- side wall
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- 238000000576 coating method Methods 0.000 title claims abstract description 124
- 239000011248 coating agent Substances 0.000 title claims abstract description 114
- 230000001154 acute effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007888 film coating Substances 0.000 abstract description 6
- 238000009501 film coating Methods 0.000 abstract description 6
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 33
- 239000007788 liquid Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000003134 recirculating effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 239000008199 coating composition Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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Abstract
The invention discloses a coating component, which comprises a first slit section and a second slit section. The first slit section is provided with a first wall body and a second wall body, and a first slit is arranged between the first wall body and the second wall body. The second slit section is provided with a first coating lip and a second coating lip, the first coating lip is connected with the first wall body, the second coating lip is connected with the second wall body, and a second slit is arranged between the first coating lip and the second coating lip. The width of the second slit is between 1.2 and 3.8 than the width of the first slit. The width of the second slit is larger than that of the first slit, and the ratio of the distance from the first coating lip to a central line of the first slit to the distance from the second coating lip to the central line of the first slit is between 0.5 and 1.5. Therefore, the coating component has stable bidirectional ultrathin film coating effect.
Description
Technical field
The invention relates to a kind of coating assembly, particularly a kind of head that is coated with that is used for film-spreading device.
Background technology
Along with the luminous efficiency and the life-span reliability of Organic Light Emitting Diode constantly promotes, adding that price is showing reduces, and the Organic Light Emitting Diode lighting apparatus will constantly rise at the proportion in market.
Wherein, in the manufacture process of OLED panel, the quality that is coated with membrane technology of ultrathin film is showing very for the influence of production cost of products.Therefore, how making the head that is coated with of coating device that photoresistance liquid is coated with a last base material with nano level uniform film thickness ground, will be the important design object of engineering staff.
Generally being coated with head is a slit that has a liquid outlet and connect liquid outlet, and photoresistance liquid is to be flowed out by liquid outlet via slit.Wherein, slit will be coated with head and be divided into upper and lower two and be coated with lip, and base material with respect to the direction of displacement that is coated with head be by on be coated with lip to the direction that is coated with lip down.Owing to photoresistance liquid is being coated in the process of base material by the liquid outlet outflow, base material is constantly to be coated with a displacement relatively.In the motion process of base material, therefore photoresistance liquid also cause photoresistance liquid to form a recirculating zone and constitute a photoresistance liquid pearl at the liquid outlet place owing to receive the influence of base material displacement traction and the effect of material surface ability (Surface Energy) itself simultaneously.If photoresistance liquid pearl is in the process of base material coating, photoresistance liquid pearl is coated with lip direction (downstream) down by liquid outlet in large quantities and moves, and the deleterious with making coating for example causes the blocked up problem of thickness inequality or thickness.Therefore, how light stable blocking solution pearl remains in the liquid outlet place, to guarantee the quality in the coating process, will be one of significant consideration that is coated with the head design.
Existingly being coated with head design, is can utilize to be coated with lip it under and to be coated with lip on and to protrude, and moves to avoid photoresistance liquid pearl to be coated with the lip direction down.Thus, can guarantee the quality of coating process, avoid photoresistance liquid pearl to be coated with the lip orientation down and move and cause the bad phenomenon generation of coating.Yet, existing be coated with the design of head and can't avoid simultaneously photoresistance liquid pearl be coated with up lip or under be coated with the lip direction and move, only can only limit the direction that photoresistance liquid pearl is not coated with lip down and move.Therefore, the existing at present design means that is coated with head only can be applicable to that base material is coated with head relatively towards single direction displacement processing, will be a kind of inconvenience for coating process so.
Summary of the invention
In view of above problem, the invention reside in provides a kind of coating assembly, uses the stability that head only can be kept unidirectional coating that is coated with that solves the convention coating apparatus, causes the problem of the inconvenience of coating process.
The coating assembly that the present invention disclosed is suitable for guiding a coating and coating is coated a substrate surface.Coating assembly comprises one first slot segments and one second slot segments.First slot segments has one first wall body and one second wall body, has one first slit between first wall body and second wall body.Second slot segments has one first and is coated with lip, one second and is coated with the outlet of lip and a coating, and first is coated with lip connects first wall body, and second is coated with lip connects second wall body, and first is coated with lip and second is coated with and has one second slit between lip.The two ends of second slit connect the coating outlet and first slit respectively, and the width of second slit is greater than the width of first slit, the width of second slit than the width of last first slit between 1.2 to 3.8.First be coated with lip to the first slit a center line distance than last second be coated with lip to the first slit the ratio of distance of center line between 0.5 to 1.5.
According to the coating assembly that the invention described above disclosed, the width of second slit is the width greater than first slit, and first be coated with lip to the first slit a center line distance than last second be coated with lip to the first slit the ratio of distance of center line between 0.5 to 1.5.Be the size design with such coating assembly, the effect that can provide coating assembly to have two-way well ultrathin film coating quality is to provide the convenience in the coating process.
About characteristic of the present invention, the real work and effect, conjunction with figs. is done the most preferred embodiment detailed description as follows now.
Description of drawings
Figure 1A is the structure chart of coating assembly according to an embodiment of the invention;
Figure 1B is the structure cutaway view of coating assembly according to an embodiment of the invention;
Fig. 1 C is the partial structurtes cutaway view according to the coating assembly of Figure 1B;
Fig. 2 A is coated the sketch map of base material by coating assembly for coating according to an embodiment of the invention;
Fig. 2 B is coated another sketch map of base material by coating assembly for coating according to an embodiment of the invention;
Fig. 3 is the flow field analysis figure of coating in coating process according to an embodiment of the invention;
Fig. 4 is the structure cutaway view of coating assembly according to another embodiment of the present invention;
Fig. 5 is the structure cutaway view of coating assembly according to yet another embodiment of the invention;
Fig. 6 is the structure cutaway view of coating assembly according to yet another embodiment of the invention.
[primary clustering symbol description]
10 coating assemblies
100 first slot segments
101 first slits
110 first wall bodies
111 first walls
112 the first side wall faces
113 first cambered surfaces
120 second wall bodies
121 second walls
122 second side wall surfaces
123 second cambered surfaces
200 second slot segments
201 second slits
210 first are coated with lip
211 first labial surfaces
212 first surfaces
220 second are coated with lip
221 second labial surfaces
222 second surfaces
The outlet of 230 coating
240 coating inlet
400 base materials
500 coating
510 recirculating zones
520 gas-liquid interfaces
530 gas-liquid interfaces
The specific embodiment
Please with reference to Figure 1A to Fig. 1 C and Fig. 2 A that arranges in pairs or groups; Figure 1A is the structure chart of coating assembly according to an embodiment of the invention; Figure 1B is the structure cutaway view of coating assembly according to an embodiment of the invention; Fig. 1 C is the partial structurtes cutaway view according to the coating assembly of Figure 1B, and Fig. 2 A is coated the sketch map of base material by coating assembly for coating according to an embodiment of the invention.
The coating assembly 10 of present embodiment, its be a ultrathin film coating apparatus be coated with head, coating assembly 10 has relative coating outlet 230 and one coating inlet 240.Coating assembly 10 is coated a base material 400 surfaces with coating with the kenel of ultrathin film in order to guide a coating.Coating assembly 10 comprises one first slot segments 100 and one second slot segments 200.
Wherein, first slot segments 100 has between one first relative wall body 110 and one second wall body, 120, the first wall bodies 110 and second wall body 120 and has one first slit 101.In addition, first wall body 110 has one first adjacent wall 111 and a first side wall face 112, the second wall bodies 120 have one second adjacent wall 121 and one second side wall surface 122.First wall 111 of first wall body 110 promptly is formed between first wall 111 and second wall 121 in the face of second wall, 121, the first slits 101 of second wall body 120.And first slit 101 has a width D 1, and width D 1 is the distance between first wall 111 and second wall 121.Wherein, width D 1 can be 100 μ m.
In addition, first surface 212, second surface 222 is towards same direction with coating outlet 230, and first surface 212 and second surface 222 totally one plane.Further, 10 pairs one base material 400 portions of being coated with add man-hour when coating assembly, and first surface 212, second surface 222 are simultaneously towards base material 400 with coating outlet 230.And, first be coated with lip 210 faces substrate 400 distance and second to be coated with the distance of lip 220 faces substrate 400 identical.In addition, the suitable distance of first surface 212 and second surface 222 to base material 400 can be 50 μ m between the 100 μ m.Be noted that above-mentioned first surface 212 is non-in order to limit the present invention with second surface 222 coplanar characteristics, in the middle of another embodiment of the present invention, first surface 212 and second surface 222 be copline not also.Further, the distance of first surface 212 to base material 400 can greater than or less than the distance of second surface 222 to base material 400.
And first slit 101 has a center line M, and the center line M of first labial surface, 211 to first slits 101 has one first apart from a, and the center line M of second labial surface, 221 to first slits 101 has a second distance b.Wherein, first apart from a greater than second distance b, and first apart from a than the ratio of last second distance b between 0.5 to 1.5.In addition, in the middle of another embodiment, first more can be between 0.8 to 1.2 than the ratio of last second distance b apart from a.
In addition, second slit 201 has a depth H 2, and depth H 2 is by the distance between coating outlet 230 to first slits 101.The size of depth H 2 can be 20～110 μ m.And in the middle of another preferred embodiment, the size of depth H 2 can be 40～90 μ m.Perhaps, in the middle of another better embodiment, the size of depth H 2 can be 60～70 μ m.
In the present embodiment, first is coated with the first side wall face 112 of first labial surface, 211 connections, first wall body 110 of lip 210, and summary presents vertical angle between first labial surface 211 and the first side wall face 112.And, second be coated with lip 220 second labial surface 221 connect that summary presents vertical angle between second side wall surface, 122, the second labial surfaces 221 and second side wall surface 122 of second wall body 120.The thing that notes, summary presents summary between vertical angle and second labial surface 221 and second side wall surface 122 to present the characteristic of vertical angle non-in order to limit the present invention between above-mentioned first labial surface 211 and the first side wall face 112.For instance, in the middle of another embodiment of the present invention, also can press from both sides between first labial surface 211 and the first side wall face 112 between an obtuse angle θ 1, the second labial surface 221 and second side wall surface 122 and also can press from both sides an obtuse angle θ 2, as shown in Figure 4.Obtuse angle θ 1 and obtuse angle θ 2 are between 90 ° to 150 °.Perhaps, in the middle of further embodiment of this invention, first labial surface 211 can link to each other with the first side wall face 112 through one first cambered surface 113, and second labial surface 221 can link to each other with second side wall surface 122 through one second cambered surface 123, and is as shown in Figure 5.
In addition, in the middle of yet another embodiment of the invention, more can press from both sides between first labial surface 211 and the first surface 212 between an acute angle, theta 3, the second labial surfaces 221 and the second surface 222 and more can press from both sides an acute angle, theta 4.Wherein, acute angle, theta 3 and acute angle, theta 4 are between 86 ° to 90 °, and be as shown in Figure 6.
Then please be simultaneously with reference to Fig. 2 A and Fig. 3, wherein Fig. 3 is the flow field analysis figure of coating in coating process according to an embodiment of the invention.
Wherein, the base material 400 among Fig. 2 A is coated with lip 210 relative to coating outlet 230 by first and is coated with lip 220 towards second and moves.At this moment, at the coating 500 and the gas-liquid interface between the outside air 520,530 of 400 of coating outlet 230 and base materials, be all to demonstrate the cambered surface that exports 230 indents towards coating.On behalf of coating, this phenomenon export the phenomenon generation that 230 places do not have coating 500 buildups; Can guarantee that so coating assembly 10 coats coating 500 in the process of base material 400 with the ultrathin film kenel; Can have and stablize good coating crudy, and can not take place because of buildup causes the blocked up or uneven problem of film thickness.
Please follow with reference to Fig. 3, in coating composition 500 in base material in 400 the process, coating 500 can be because of receiving the moving influence of base material 400 at coating assembly 10, and export the recirculating zone 510 that 230 places formation one turns clockwise and constitute one and be coated with the feed liquid pearl in coating.Structural design by the coating assembly 10 of present embodiment; The coating 500 formed feed liquid integuments that are coated with are confined between first labial surface 211 and second labial surface 221; Also can guarantee the stability of coating process thus; Avoid the uneven thickness of the coating 500 formed thickness on the base material 400, and then make the specification of thickness exceed preset thickness scope.
In the foregoing description, base material 400 is coated with lip 210 relative to coating outlet 230 by first and is coated with lip 220 towards second and moves, yet this characteristic is non-in order to limit the present invention.Further, coating assembly 10 of the present invention has stable two-way ultrathin film coating effect.
Please with reference to Fig. 2 B, in Fig. 2 B, base material 400 is to be coated with lip 220 relative to coating outlet 230 by second to be coated with lip 210 towards first and to move., be all to demonstrate the cambered surface that exports 230 indents towards coating wherein at the coating 500 and the gas-liquid interface between the outside air 520,530 of 400 of coating outlet 230 and base materials.On behalf of coating, this phenomenon export 230 places and is not being had coating 500 buildups and be coated with the phenomenon that lip 210 or second is coated with lip 220 in first and take place, and can guarantee that so coating assembly 10, can have and stablize good crudy in 400 the process in coating composition 500 in base material.Therefore, by the shape of coating 500 and the gas-liquid interface between the outside air 520,530 of Fig. 2 A and Fig. 2 B, provable coating assembly 10 of the present invention can have stable two-way ultrathin film coating effect.Compared to existing coating apparatus be coated with head only can keep base material 400 single to the coating quality of machine direction, the coating assembly 10 of present embodiment has better processing practicality.And; According to the structural design of the coating assembly 10 of present embodiment in the middle of actual coating process; No matter base material 400 is to be coated with lip 220 by second to be coated with lip 210 towards first and to move relative to coating outlet 230; Or being coated with lip 210 by first is coated with lip 220 towards second and moves, and coating 500 is coated the thick homogeneous film thickness that all can reach below the 10 μ m of liquid mould on the base material 400.And, when the thick drying of liquid mould on the base material 400 is solid-state mould when thick, the thick nano-scale thickness that more can reach below the 1 μ m of solid-state mould.
According to the coating assembly of the foregoing description, wherein the width of second slit is greater than the width of first slit, and first be coated with lip to the first slit a center line distance than last second be coated with lip to the first slit the ratio of distance of center line between 0.5 to 1.5.Be size design, can be effectively be coated with the feed liquid pearl and stably be confined to first and be coated with lip and second and be coated with between the lip the recirculating zone constitutes with such coating assembly.Therefore, the coating assembly of present embodiment has the effect of two-way well ultrathin film coating quality, so that the convenience in the coating process to be provided.
Though the present invention discloses as above with preferred embodiment; Right its is not in order to limit the present invention; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1. coating assembly is suitable for guiding a coating and this coating is coated a substrate surface, it is characterized in that this coating assembly comprises:
One first slot segments has one first wall body and one second wall body, has one first slit between this first wall body and this second wall body;
One second slot segments; Have one first and be coated with lip, one second and be coated with the outlet of lip and a coating, this first is coated with lip and connects this first wall body, and this second is coated with lip and connects this second wall body; This first is coated with lip and this second and is coated with and has one second slit between the lip; The two ends of this second slit connect the outlet of this coating and this first slit respectively, and the width of this second slit is greater than the width of this first slit, the width of this second slit than the width of last this first slit between 1.2 to 3.8.This first be coated with lip to this first slit a center line distance than last this second be coated with lip to the distance of this center line of this first slit ratio between 0.5 to 1.5.
2. coating assembly as claimed in claim 1; It is characterized in that this first is coated with lip and has a first surface, this second is coated with lip and has a second surface; This first surface, this second surface and this coating export in the same direction, and this first surface and this second surface copline.
3. coating assembly as claimed in claim 1 is characterized in that, this second slit has one second slit depth, and the scope of this second slit depth is 20～110 μ m.
4. coating assembly as claimed in claim 3 is characterized in that, the scope of this second slit depth is 40～90 μ m.
5. coating assembly as claimed in claim 4 is characterized in that, the preferred range of this second slit depth is 60～70 μ m.
6. coating assembly as claimed in claim 1 is characterized in that, this first be coated with lip to this center line of this first slit distance than last this second be coated with lip to the distance of this center line of this first slit ratio between 0.8 to 1.2.
7. coating assembly as claimed in claim 1; It is characterized in that this first wall body has a first side wall face, this second wall body has one second side wall surface; This first is coated with lip and connects this first side wall face; This second is coated with lip and connects this second side wall surface, and this first side wall face first is coated with between the lip or this second side wall surface and this second is coated with and presss from both sides an obtuse angle between the lip with this, and this obtuse angle is between 90 ° to 150 °.
8. coating assembly as claimed in claim 1; It is characterized in that; This first wall body has a first side wall face, and this second wall body has one second side wall surface, and this first is coated with lip and connects this first side wall face; This second is coated with lip and connects this second side wall surface, and this first side wall face first is coated with between the lip or this second side wall surface second is coated with between the lip and is connected through a cambered surface with this with this.
9. coating assembly as claimed in claim 1; It is characterized in that; This first is coated with lip and has a continuous first surface and one first labial surface, and this second is coated with lip and has a continuous second surface and one second labial surface, and this first labial surface is in the face of this second labial surface; Press from both sides an acute angle between this first surface and this first labial surface or between this second surface and this second labial surface, this acute angle is between 86 ° to 90 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100109440 | 2011-03-18 | ||
| TW100109440A TWI481449B (en) | 2011-03-18 | 2011-03-18 | Device for applying film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102671820A true CN102671820A (en) | 2012-09-19 |
Family
ID=46804752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101125477A Pending CN102671820A (en) | 2011-03-18 | 2011-04-26 | Coating assembly |
Country Status (3)
| Country | Link |
|---|---|
| JP (2) | JP2012196658A (en) |
| CN (1) | CN102671820A (en) |
| TW (1) | TWI481449B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213056A (en) * | 2022-06-10 | 2022-10-21 | 大连理工大学 | Slit coating groove die head with controllable coating number and width |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319339B (en) * | 2014-11-03 | 2017-05-24 | 泉州嘉唯光电有限公司 | LED adhesive-dispensing package device with round rotating tray |
| JP2018167193A (en) * | 2017-03-30 | 2018-11-01 | 株式会社Ｓｃｒｅｅｎホールディングス | Double-sided coating apparatus and coating film formation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440811A (en) * | 1979-06-13 | 1984-04-03 | Konishiroku Photo Industry Co., Ltd. | Method for coating and an apparatus for coating |
| US5334247A (en) * | 1991-07-25 | 1994-08-02 | Eastman Kodak Company | Coater design for low flowrate coating applications |
| JPH10277465A (en) * | 1997-04-04 | 1998-10-20 | Konica Corp | Coating method and coating device |
| JP3205460B2 (en) * | 1994-03-25 | 2001-09-04 | ティーディーケイ株式会社 | Coating device |
| EP1327481A2 (en) * | 2002-01-09 | 2003-07-16 | Fuji Photo Film Co., Ltd. | Apparatus and method for applying coating solution, die and method for assembling thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119564A (en) * | 1997-07-07 | 1999-01-26 | Hirano Tecseed Co Ltd | Coating apparatus |
| JP2000084459A (en) * | 1998-09-18 | 2000-03-28 | Konica Corp | Method and apparatus for coating with dispersion of high viscosity |
| US6419747B1 (en) * | 1999-02-26 | 2002-07-16 | The Procter & Gamble Company | Extrusion die |
| JP2002086045A (en) * | 2000-09-20 | 2002-03-26 | Tatsumo Kk | Liquid material coating tool |
| JP4984312B2 (en) * | 2001-09-10 | 2012-07-25 | 大日本印刷株式会社 | Coating equipment |
-
2011
- 2011-03-18 TW TW100109440A patent/TWI481449B/en active
- 2011-04-26 CN CN2011101125477A patent/CN102671820A/en active Pending
- 2011-05-26 JP JP2011117964A patent/JP2012196658A/en active Pending
-
2013
- 2013-07-01 JP JP2013138067A patent/JP2013223868A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440811A (en) * | 1979-06-13 | 1984-04-03 | Konishiroku Photo Industry Co., Ltd. | Method for coating and an apparatus for coating |
| US5334247A (en) * | 1991-07-25 | 1994-08-02 | Eastman Kodak Company | Coater design for low flowrate coating applications |
| JP3205460B2 (en) * | 1994-03-25 | 2001-09-04 | ティーディーケイ株式会社 | Coating device |
| JPH10277465A (en) * | 1997-04-04 | 1998-10-20 | Konica Corp | Coating method and coating device |
| EP1327481A2 (en) * | 2002-01-09 | 2003-07-16 | Fuji Photo Film Co., Ltd. | Apparatus and method for applying coating solution, die and method for assembling thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213056A (en) * | 2022-06-10 | 2022-10-21 | 大连理工大学 | Slit coating groove die head with controllable coating number and width |
| CN115213056B (en) * | 2022-06-10 | 2023-08-22 | 大连理工大学 | Slit coating slot die with controllable coating number and width |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012196658A (en) | 2012-10-18 |
| JP2013223868A (en) | 2013-10-31 |
| TW201238668A (en) | 2012-10-01 |
| TWI481449B (en) | 2015-04-21 |
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Application publication date: 20120919 |