CN100480817C - Curing method and device - Google Patents
Curing method and device Download PDFInfo
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- CN100480817C CN100480817C CNB031458734A CN03145873A CN100480817C CN 100480817 C CN100480817 C CN 100480817C CN B031458734 A CNB031458734 A CN B031458734A CN 03145873 A CN03145873 A CN 03145873A CN 100480817 C CN100480817 C CN 100480817C
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Abstract
This invention provides a solidifying method used to solidify a light - solidifying encapsulant in a workpiece, which comprises first base plate and second base plate. The encapsulant is used to fix first base plate on the second base plate. The solidifying method relates to step A that incidence light goes into the LCD display unit through first base plate and arrives at the encapsulant, and step B that the incidence light goes into the LCD display unit through second base plate and arrives at the encapsulant. This invention also provides solidifying apparatus for realizing the above method.
Description
Technical field
The present invention relates to a kind of curing and device of light curable type sealant, particularly a kind of curing and device that is used for the LCD processing procedure.
Background technology
LCD unit generally comprises two first and second substrate and liquid crystal layers that are oppositely arranged and is located in therebetween.Generally speaking, this two substrates is fixed together with a thermoset epoxy glue.Yet the solidification temperature that this kind method needs is high can't bear to liquid crystal material, so the curing schedule of this thermoset epoxy glue must carry out before the filling liquid crystal material.
United States Patent (USP) the 5th, 263, disclose a kind of one for No. 888 and be instilled into (one drop fill, ODF) processing procedure, it comprises the coating adhesive agent in the whole periphery of this first substrate, the dispenser method material is in this first substrate, and this second substrate stacked on this first substrate and push the interval of this substrate between this substrate and reach a predefined value (being typically the 3-10 micron), and is solidified this adhesive agent.In pushing the step of this substrate, this liquid crystal material scatters and forms a liquid crystal layer by this with the space that riddles between the substrate.This kind method can effectively reduce the number of fabrication steps, and increases manufacturing efficient.Yet this one is instilled into that method can't be used thermoset epoxy glue and must uses uv-curable type sealant to replace, because uv-curable type sealant can solidify near under the room temperature.
In order to simplify processing procedure and increase to make efficient, when carrying out the ultraviolet light polymerization step, general only with UV-irradiation on first substrate or second substrate of this LCD unit.Therefore ultraviolet light must penetrate this first substrate or second substrate earlier, could arrive sealant afterwards and makes its curing.Yet the periphery of each pixel generally is provided with a light shield layer (BM) on this first substrate, and this second substrate is provided with metal pattern.Therefore, the light shield layer that can't penetrate at ultraviolet light or the place of metal pattern usually have the problem of UV-irradiation less than the sealing agent, thereby cause the incomplete curing of sealant.Evidence shows, these uncured sealants easily and liquid crystal layer have an effect, and the performance of liquid crystal material is had a greatly reduced quality.
In addition, when carrying out the ultraviolet light polymerization step, if select ultraviolet light only to be radiated on this LCD unit from first substrate-side, then in order to ensure ultraviolet light polymerization sealant energy full solidification, must cause the light shield layer (BM) of resistance light effect to stagger to sealant with sealant, but this means the excess area beyond necessary increase liquid crystal panel is in the viewing area, or the scope of under the size of immobile liquid crystal panel, dwindling the viewing area, yet, be the trend that the former or the latter obviously violate LCD.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of curing and device of improvement are provided, in order to solidifying a kind of light curable type sealant that two substrates is fixed together, this curing can effectively suppress the incomplete curing phenomenon of the sealant that caused because of blocking of light shield layer or metal pattern.This curing and device expection are instilled into method with one and use, because one is instilled into method and becomes the preferable manufacture method of LCD gradually.
LCD unit generally comprises opposed first substrate and second substrate, and a light curable type sealant (a for example uv-curable type sealant) is in order to be fixed in this second substrate with this first substrate.One liquid crystal layer is located between first and second substrate.General this first substrate is provided with a shading array, and this second substrate is provided with a metal pattern.
In order to reach above-mentioned purpose of the present invention and other effect, the invention provides a kind of curing and comprise the following step: (a) shine this LCD unit, wherein Zhao She light is entered this LCD unit and is arrived this light curable type sealant by this first substrate-side, and the metal pattern on this second substrate can not hinder this irradiating step (a) by this; And (b) shine this LCD unit, and wherein Zhao She light is entered this LCD unit and is arrived this light curable type sealant by this second substrate-side, and the shading array on this first substrate can not hinder this irradiating step (b) by this.Make efficient in order to simplify processing procedure and to increase, this irradiating step (b) and irradiation (c) are preferably simultaneously to be implemented.Owing to curing of the present invention is light to be shone this LCD unit from first substrate-side and second substrate-side reach, therefore can effectively suppress the incomplete curing phenomenon of the sealant that caused because of blocking of light shield layer or metal pattern.
The present invention provides in addition in order to realize the solidification equipment of preceding method.
Solidification equipment according to an embodiment of the invention, it mainly comprises first and second objective table in order to carry a work package (for example aforesaid LCD unit), and a light source and a conveying mechanism are in order to be delivered to second objective table with this work package by first objective table.
Solidification equipment according to another embodiment of the present invention, it mainly comprises first and second objective table, and a light source is in order to the mechanism and first and second conveying mechanism of fixing and this work package of overturning.This first conveying mechanism is in order to be delivered to this mechanism in order to fixing and this work package of overturning with this work package by this first objective table; This second conveying mechanism is in order to be delivered to this second objective table with this work package by this mechanism in order to fixing and this work package of overturning.
In the aforementioned embodiment, when this work package places on this first objective table, light from light source is entered this work package and is arrived this light curable type sealant by this first substrate, and when this work package places on this second objective table, light from light source is entered this work package and is arrived this light curable type sealant by this second substrate, and this light curable type sealant solidifies by the light that enters this work package from first substrate and second substrate by this.In addition, the preferable robotic arm that comprises of aforesaid conveying mechanism, it utilizes a sucker assembly (chuck assembly) to hold this work package.
Solidification equipment according to yet another embodiment of the invention, it mainly comprises in order to a mechanism of carrying a work package and a light source.This light source comprises the opposite edge (being as the criterion with this work package) that one first illumination unit and one second illumination unit are disposed at this first illumination unit.When this work package is carried by this work package load carrier, light from first illumination unit is entered this work package and is arrived this light curable type sealant by this first substrate, and is entered this work package and arrived this light curable type sealant by this second substrate from the light of second illumination unit.In the present embodiment, this work package load carrier can be that an objective table has the transparent perform region of a light in order to carry this work package, make this light curable type sealant roughly can not covered by this work package load carrier, this light curable type sealant can solidify by the light that enters this work package from first substrate and second substrate by this.In addition, this work package load carrier can also comprise anchor clamps in order to clamping the edge of this work package first substrate and second substrate, or comprises several tips in order to support this work package.
Description of drawings
Fig. 1 is applicable to the part cut-away view of LCD of the present invention;
Fig. 2 is applicable to the part cut-away view of LCD unit of the present invention;
Fig. 3 a is the cut-away view of solidification equipment according to an embodiment of the invention;
Fig. 3 b is the cut-away view of solidification equipment according to another embodiment of the present invention;
Fig. 4 is the top view of solidification equipment according to another embodiment of the present invention;
Fig. 5 is the cut-away view of solidification equipment according to another embodiment of the present invention;
Fig. 6 is the cut-away view of solidification equipment according to another embodiment of the present invention;
Fig. 7 is the cut-away view of solidification equipment according to another embodiment of the present invention.
Symbol description among the figure
110 liquid crystal layers, 120 LCD unit
130 first substrates, 140 second substrates
132 light shield layers, 134 colored filters
136 common electrodes, 142 metal patterns
150 sealants
200 solidification equipments, 210 objective tables
210a objective table 220 objective tables
220a objective table 230 illumination units
240 illumination units, 250 robotic arms
250a, 250b, 250c, 250d robotic arm
252 sucker assemblies, 260 solidification equipments
262 robotic arms
300 solidification equipments, 310 mechanisms
312 objective tables
400 solidification equipments, 410 objective tables
500 solidification equipments, 510 anchor clamps
600 solidification equipments, 610 tips
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with drawings and Examples.
The invention provides a kind of curing and device of improvement, it is in order to solidify a kind of light curable type sealant that two substrates is fixed together.The method according to this invention and device expection are instilled into method with one and use, because one is instilled into method and becomes the preferable manufacture method of LCD gradually.
Referring to Fig. 1, LCD mainly comprises a liquid crystal layer 110 and is sealed in the LCD unit 120.This LCD unit 120 comprises one first substrate 130 and one second substrate 140.Generally be provided with a shading array (for example light shield layer (BM) 132), colored filter 134 on this first substrate 130 and be used for display color and a transparency electrode (for example indium tin oxide (ITO) electrode) as community electrode (common electrode) 136.Mainly be provided with a metal pattern 142 on this second substrate 140, for example several brake cable road and data circuits.LCD according to the present invention is preferably a kind of Thin Film Transistor-LCD.Generally speaking, this first substrate 130 is called colored optical filtering substrates because of being formed with colored filter, and this second substrate 140 is called as thin film transistor base plate.
As shown in Figure 2, this first substrate 130 and this second substrate 140 are fixed to one another with a light curable type sealant (a for example uv-curable type sealant 150).This uv-curable type sealant 150 generally is positioned at the periphery edge of this two substrates 130,140.Arrive the sealant 150 except the zone at light shield layer (BM) 132 and metal pattern 142 places can obstruct light, this first substrate 130 and this second substrate 140 are that light is transparent basically.
Therefore, the invention provides a kind of curing and comprise two irradiating step (a) and (b).Among irradiating step (a), the light of irradiation is entered this LCD unit 120 and is arrived this light curable type sealant 150 by this first substrate 130, and the metal pattern 142 on this second substrate 140 can not hinder this irradiating step (a) by this.Among irradiating step (b), the light of irradiation is entered this LCD unit 120 and is arrived this light curable type sealant 150 by this second substrate 140, and the light shield layer 132 on this first substrate 130 can not hinder this irradiating step (b) by this.Make efficient in order to simplify processing procedure and to increase, this irradiating step (b) and irradiation (c) are preferably simultaneously to be implemented.In addition, this light curable type sealant can be a uv-curable type sealant, and this light is from a UV-irradiation unit.
Owing to curing of the present invention is that irradiate light is reached, therefore can effectively suppress the incomplete curing of the sealant that causes because of light shield layer 132 or metal pattern 142 on first substrate 130 of this LCD unit and second substrate 140.
Fig. 3-7 is in order to the solidification equipment of explanation according to the embodiment of the invention, and similarly assembly is given identical reference drawing number.
Fig. 3 a is depicted as solidification equipment 200 according to an embodiment of the invention, and it mainly comprises objective table 210,220, an illumination unit 230,240 and a conveying mechanism.This objective table 210,220 is preferable fixes work package to be illuminated (for example aforesaid LCD unit 120), and can allow LCD unit 120 move in the X of level Y direction to adjust and rotate on the XY plane.This objective table 210,220 can be by connecting a for example vacuum pump of vacuum plant, the fixing LCD unit 120 in order to produce vacuum at objective table 210,220.If sealant to be solidified is a kind of uv-curable type sealant, then this illumination unit 230,240 can respectively be provided with several ultraviolet lamps.
Can engage, fix and change the position of work package according to conveying mechanism of the present invention.Embodiment shown in Fig. 3 a comprises a robotic arm 250 and has a sucker assembly (chuckassembly) 252.These sucker assembly 250 preferable mechanisms that comprise in order to joint and regular worker's workpiece.This sucker assembly 250 can comprise a for example vacuum pump of vacuum plant, the fixing LCD unit 120 in order to produce vacuum at sucker assembly 250.Yet the present invention can comprise other device (for example anchor clamps) in order to fixing LCD unit 120.
Fig. 3 b is depicted as solidification equipment 260 according to another embodiment of the present invention, it is characterized in that illumination unit 240 is disposed at the same side of this illumination unit 240 (being as the criterion with this objective table 210,220).Therefore, robotic arm 262 must be designed to and can hold this LCD unit 120 with sucker assembly 252 earlier, it is placed on this objective table 220 in the mode of second substrate 140 towards illumination unit 240 again.
Figure 4 shows that solidification equipment 300 according to another embodiment of the present invention, it mainly comprises objective table 210,220,210a, 220a, several illumination units (not being shown among the figure), in order to the mechanism 310 and the conveying mechanism of fixing and this work package of overturning, for example robotic arm 250a, 250b, 250c, 250d.These mechanism's 310 preferable objective tables 312 that are provided with comprise a for example vacuum pump of vacuum plant, the fixing LCD unit 120 in order to produce vacuum at objective table 312.
Referring to Fig. 4, two LCD unit 120 are placed respectively on this objective table 210, the 210a, make second substrate 140 towards this objective table 210,210a.Because this illumination unit (not being shown among the figure) is located at the top of this objective table 210,220,210a, 220a object loading end respectively.Therefore, the light from illumination unit is entered this LCD unit 120 and is arrived this light curable type sealant by this first substrate 130.Respectively two LCD unit 120 are placed on the objective table 312 of this mechanism 310 with robotic arm 250a, 250c then.After objective table 312 carries out turning operation, respectively two LCD unit 120 are placed on this objective table 220, the 220a with robotic arm 250b, 250d.At this moment, first substrate 130 of LCD unit 120 is towards this objective table 220,220a.Therefore, the light from illumination unit is entered this LCD unit 120 and is arrived this light curable type sealant by this second substrate 140.Be understandable that robotic arm 250a, 250c or robotic arm 250b, 250d can also integrate by linking together becomes single device.
Figure 5 shows that solidification equipment 400 according to another embodiment of the present invention, it mainly comprises in order to mechanism of carrying a LCD unit 120 and illumination unit 230,240.This illumination unit 230 is disposed at the opposite edge (being as the criterion with this LCD unit 120) of this illumination unit 240.In solidification equipment shown in Figure 5 400, this work package load carrier can be that an objective table 410 has the transparent perform region of a light in order to carry this LCD unit 120, makes this light curable type sealant roughly can not covered by this objective table 410.This objective table 410 is preferable to be made with the transparent quartz material of light.Therefore, when this LCD unit 120 is carried by this objective table 410, light from illumination unit 230 is entered this LCD unit and is arrived this light curable type sealant by this first substrate 130, and passes this objective table 410 and entered this LCD unit and arrived this light curable type sealant by this second substrate 140 from the light of illumination unit 240.
Figure 6 shows that solidification equipment 500 according to another embodiment of the present invention.Except this work package load carrier was anchor clamps 510, this solidification equipment 500 roughly solidification equipment 400 with shown in Figure 5 was identical.These anchor clamps 510 configurations make this light curable type sealant roughly can not covered by these anchor clamps 510 in order to clamp the edge of this LCD unit first substrate 130 and second substrate 140.
Figure 7 shows that solidification equipment 600 according to another embodiment of the present invention.Except this work package load carrier comprises several tips 610 in order to support this work package, this solidification equipment 600 roughly solidification equipment 400 with shown in Figure 5 is identical.
Though the present invention discloses with aforementioned preferred embodiment; right its is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; when can doing various changes and modification, thus protection scope of the present invention when with the scope of claims the person of being defined be as the criterion.
Claims (6)
1. a solidification equipment is characterized in that, comprises:
First objective table and second objective table respectively have a surface in order to carry a work package, and this work package comprises opposed first substrate and second substrate, and a light curable type sealant is in order to be fixed in this second substrate with this first substrate;
Conveying mechanism is in order to be delivered to second objective table with this work package by this first objective table; And
One light source,
Wherein, when this work package places on this first objective table, light from light source is entered this work package and is arrived this light curable type sealant by this first substrate-side, and when this work package places on this second objective table, light from light source is entered this work package and is arrived this light curable type sealant by this second substrate-side
This light curable type sealant can solidify by the light that enters this work package from first substrate and second substrate-side by this.
2. solidification equipment as claimed in claim 1 is characterized in that, this light source comprises one first illumination unit and one second illumination unit is disposed at the opposite edge that this first illumination unit is as the criterion with this first objective table and second objective table.
3. solidification equipment as claimed in claim 1 is characterized in that this conveying mechanism comprises a robotic arm, and it utilizes a sucker assembly to hold this work package.
4. a solidification equipment is characterized in that, comprises:
First objective table and second objective table respectively have a surface in order to carry a work package, and this work package comprises opposed first substrate and second substrate, and a light curable type sealant is in order to be fixed in this second substrate with this first substrate;
Mechanism in order to fixing and this work package of overturning is arranged between this first objective table and this second objective table; And
One light source,
Wherein, when this work package places on this first objective table, light from light source is entered this work package and is arrived this light curable type sealant by this first substrate, and when this work package places on this second objective table, light from light source is entered this work package and is arrived this light curable type sealant by this second substrate
This light curable type sealant solidifies by the light that enters this work package from first substrate and second substrate by this.
5. solidification equipment as claimed in claim 4 is characterized in that other comprises:
First conveying mechanism is in order to be delivered to this mechanism in order to fixing and this work package of overturning with this work package by this first objective table; And
Second conveying mechanism is in order to be delivered to this second objective table with this work package by this mechanism in order to fixing and this work package of overturning.
6. solidification equipment as claimed in claim 5 is characterized in that, this first and second conveying mechanism respectively comprises a robotic arm respectively, and it utilizes a sucker assembly to hold this work package.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102158531A CN101408691A (en) | 2003-07-17 | 2003-07-17 | Curing method and apparatus |
| CNB031458734A CN100480817C (en) | 2003-07-17 | 2003-07-17 | Curing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031458734A CN100480817C (en) | 2003-07-17 | 2003-07-17 | Curing method and device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102158531A Division CN101408691A (en) | 2003-07-17 | 2003-07-17 | Curing method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1570736A CN1570736A (en) | 2005-01-26 |
| CN100480817C true CN100480817C (en) | 2009-04-22 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102158531A Pending CN101408691A (en) | 2003-07-17 | 2003-07-17 | Curing method and apparatus |
| CNB031458734A Expired - Fee Related CN100480817C (en) | 2003-07-17 | 2003-07-17 | Curing method and device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102158531A Pending CN101408691A (en) | 2003-07-17 | 2003-07-17 | Curing method and apparatus |
Country Status (1)
| Country | Link |
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| CN (2) | CN101408691A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7397045B2 (en) | 2005-01-14 | 2008-07-08 | Au Optronics Corp. | Exposure apparatus and method thereof |
| KR101127849B1 (en) * | 2005-06-30 | 2012-03-21 | 엘지디스플레이 주식회사 | An heat curing apparatus, and Method of fabricating Liquid Crystal Display Device using the same |
-
2003
- 2003-07-17 CN CNA2008102158531A patent/CN101408691A/en active Pending
- 2003-07-17 CN CNB031458734A patent/CN100480817C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1570736A (en) | 2005-01-26 |
| CN101408691A (en) | 2009-04-15 |
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