CN103424937A - Liquid crystal discharging nozzle assembly - Google Patents
Liquid crystal discharging nozzle assembly Download PDFInfo
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- CN103424937A CN103424937A CN2012103425131A CN201210342513A CN103424937A CN 103424937 A CN103424937 A CN 103424937A CN 2012103425131 A CN2012103425131 A CN 2012103425131A CN 201210342513 A CN201210342513 A CN 201210342513A CN 103424937 A CN103424937 A CN 103424937A
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- liquid crystal
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- transfer tube
- nozzle assembly
- spray nozzle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
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- 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
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Coating Apparatus (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to a liquid discharge nozzle assembly, the received plurality of branch portions and the liquid crystal is discharged. A liquid applicator according to the present invention and the liquid discharge nozzle assembly, and discharged to the received divided crystal, comprising: a dispensing unit, the liquid crystal is divided into the received at least two portions which are allocated; at least two liquid crystal transfer tube, connected to the distribution unit for receiving the divided liquid crystal; vibration driving portion provided in the transfer tube of the liquid crystal, the liquid crystal is applied to the vibration transfer tube; and a nozzle head disposed on the liquid crystal of the liquid crystal and the transmission end of the discharge tube.
Description
Technical field
The present invention relates to a kind of liquid crystal spray nozzle assembly.Particularly, the present invention relates to received liquid crystal is branched into the liquid crystal spray nozzle assembly of a plurality of parts discharge.
Background technology
Liquid crystal indicator generally includes the first substrate that is provided with chromatic filter layer, the second substrate that is arranged with driving element, by glutinous cream (or fluid sealant) pattern and the liquid crystal layer between above-mentioned first substrate and second substrate of above-mentioned first substrate and second substrate bonding.
In order between first substrate and second substrate, to form liquid crystal layer, use the liquid crystal spreader in liquid crystal indicator manufacturing process.The following effect of liquid crystal spreader performance: by form the liquid crystal spraying equipment of liquid crystal layer between first, second substrate of liquid crystal indicator, in unit assembly process (cell process), to glass substrate, drip quantitative liquid crystal drop and manufacture uniform liquid crystal layer.
As the existing method to the liquid crystal indicator filling liquid crystal, from the injection mode that is applicable to single substrate, develop into to the drippage mode of the top dropping liquid crystal of substrate, at present the main liquid crystal rubbing method that uses the drippage mode.
Fig. 1 means the stereographic map of an example of liquid crystal spreader, and Fig. 2 means the figure of an example of the coating head unit of liquid crystal spreader.
Coating head unit 9 comprise storage to the liquid crystal bottle 10 of the liquid crystal of substrate S drippage, attract the liquid crystal stored in liquid crystal bottle 10 and be inserted in the pipe 14 that liquid crystal bottle 10 and another end are connected with cylinder component 12 to the cylinder component 12 of substrate S drippage and end.The liquid crystal of storing in liquid crystal bottle 10 by manage 14 attracted to cylinder component 12 after, by nozzle 16 to the substrate S drippage of placing on pallet 5.
But larger to the liquid crystal size of substrate drippage, when above-mentioned first substrate is combined with above-mentioned second substrate, liquid crystal can't be uniformly distributed between two substrates, cause that cancellate brightness irregularities phenomenon is the bad of the liquid crystal display such as uneven phenomenon.Therefore, require to reduce the size to the liquid crystal of substrate drippage.
Summary of the invention
The present invention is for addressing the above problem, and its purpose is to provide a kind of liquid crystal spray nozzle assembly, discharges after supplied with liquid crystal is branched into to plural part, can reduce to the liquid crystal size of substrate drippage.
The present invention to achieve these goals, provides a kind of liquid crystal spray nozzle assembly of liquid crystal spreader, cuts apart and discharges received liquid crystal, comprising: dispenser is divided into received above-mentioned liquid crystal at least two parts and is distributed; At least two liquid crystal transfer tubes, be connected with above-mentioned dispenser, receives the liquid crystal of cutting apart; The vibrations drive division, be arranged at each above-mentioned liquid crystal transfer tube, and above-mentioned liquid crystal transfer tube is applied to vibrations; And head of nozzle, be arranged at the end of above-mentioned liquid crystal transfer tube and discharge liquid crystal.
Above-mentioned liquid crystal spray nozzle assembly also comprises the housing that forms ectosome, on a face of above-mentioned housing, is combined with cover plate.
As an embodiment, be provided with heat radiator at least one face of above-mentioned housing, can dispel the heat efficiently.In addition, on above-mentioned cover plate or above-mentioned housing, be provided with: the refrigerating gas introducing port imports for carrying out cooling refrigerating gas; With the refrigerating gas export mouth, derive the above-mentioned refrigerating gas imported from above-mentioned refrigerating gas introducing port, thus can be by the mobile promotion heat radiation of refrigerating gas.
On the other hand, on above-mentioned cover plate, can be formed for inserting recess for the liquid crystal supply pipe of the liquid crystal supply pipe insertion of transmitting the liquid crystal of supplying with from cylinder component.
As an embodiment, above-mentioned dispenser comprises: the liquid crystal ingress pipe; Common pipe, be connected with above-mentioned liquid crystal ingress pipe, the liquid crystal that lateral transport imports by above-mentioned liquid crystal ingress pipe; And at least two take-off pipes, with above-mentioned common pipe, being connected, above-mentioned liquid crystal transfer tube is combined with above-mentioned take-off pipe.
In addition, as an embodiment, above-mentioned dispenser comprises: introduction channel imports above-mentioned liquid crystal; Branched bottom, to above-mentioned liquid crystal transfer tube dispensing liquid crystal; And common passage, with above-mentioned introduction channel and above-mentioned branched bottom, be connected.In addition, be formed with the liquid crystal transfer tube patchhole that above-mentioned liquid crystal transfer tube is inserted below above-mentioned branched bottom.
Upper side end or inboard at the above-mentioned liquid crystal transfer tube inserted to above-mentioned liquid crystal transfer tube patchhole, be inserted with for maintaining the mobile stop block of the liquid crystal pressure in above-mentioned common passage.Above-mentioned mobile stop block is that the mobile stop block set collar corresponding by the end with above-mentioned liquid crystal transfer tube and the stop block connecting link that flows connect setting.In addition, above-mentioned mobile stop block is set to the cylindrical shape of external diameter and the corresponding and central perforation of internal diameter of above-mentioned liquid crystal transfer tube, is fixed in the upper inner of above-mentioned liquid crystal transfer tube.
On the other hand, above-mentioned vibrations drive division comprises back up pad and is attached to the piezoelectric element on a face of above-mentioned back up pad.In addition, above-mentioned back up pad supports above-mentioned piezoelectric element by the mode that elastic force is applied to above-mentioned piezoelectric element towards above-mentioned liquid crystal transfer tube.In addition, the zone contacted with above-mentioned liquid crystal transfer tube on above-mentioned piezoelectric element is formed with the piezoelectric element diaphragm.
Be respectively arranged with a pair of above-mentioned vibrations drive division according to each above-mentioned liquid crystal transfer tube.Above-mentioned vibrations drive division is arranged on each of a plurality of liquid crystal transfer tubes, and a plurality of vibrations drive divisions are set to stacked shape.As an embodiment, above-mentioned back up pad comprises the first back up pad ear and the second back up pad ear in both sides, on above-mentioned the first back up pad ear, is provided with the first connect apertures, on above-mentioned the second back up pad ear, is provided with the second connect apertures.In addition, also comprise the first hold-down bars inserted to above-mentioned the first connect apertures and the second hold-down bars inserted to above-mentioned the second connect apertures.In addition, be provided with the pad at the interval that maintains above-mentioned vibrations drive division on above-mentioned the first hold-down bars and above-mentioned the second hold-down bars.Above-mentioned pad consists of conductive material, can bring into play function as an electrode in electrode from control signal to above-mentioned piezoelectric element that supply with.
In addition, above-mentioned liquid crystal transfer tube is set to and above-mentioned dispenser horizontal integration, and the state bent to above-mentioned head of nozzle direction.As an embodiment, the part contacted with above-mentioned piezoelectric element on above-mentioned liquid crystal transfer tube is formed with par, thereby can be delivered in efficiently the vibrations that the vibrations drive division produces to above-mentioned liquid crystal transfer tube.
The invention effect:
According to the present invention, discharge after supplied with liquid crystal is branched into to a plurality of parts, thereby can reduce to the size of the liquid crystal of substrate drippage.Adopt the liquid crystal spreader of this liquid crystal spray nozzle assembly of the present invention can make bad the minimizing as the uneven phenomenon of liquid crystal display.
In addition, the present invention, in making the liquid crystal ramifying, because the front end at each liquid crystal transfer tube is provided with the mobile stop block of fluid, therefore can make liquid crystal homogeneously branched to each liquid crystal transfer tube.
In addition, the present invention is provided with the vibrations drive division that has adopted piezoelectric element, thereby the end that makes liquid crystal pass through each liquid crystal transfer tube is discharged exactly.
In addition, in the present invention, above-mentioned vibrations drive division is configured to stacked shape, and the liquid crystal transfer tube is shaking between drive division, thereby can reduce the size of liquid crystal spray nozzle assembly.
The accompanying drawing explanation
Fig. 1 means the stereographic map of an example of liquid crystal spreader.
Fig. 2 means the figure of an example of the coating head unit of liquid crystal spreader.
Fig. 3 means the figure of coating head unit of the liquid crystal spreader of the liquid crystal spray nozzle assembly that comprises that the preferred embodiments of the present invention are related.
Fig. 4 is the stereographic map of the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention.
Fig. 5 means the stereographic map of the inner structure of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
Fig. 6 means the figure of the liquid crystal branched structure of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
Fig. 7 a means the figure of an embodiment of the mobile stop block of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
Fig. 7 b means the figure of mobile another embodiment of stop block of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
Fig. 8 is the vertical view of the vibrations drive division of the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention.
Fig. 9 is the cut-open view of the vibrations drive division of the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention.
Figure 10 is the figure for the suction of the explanation liquid crystal that the driving of the vibrations drive division of related liquid crystal spray nozzle assembly is carried out by the preferred embodiments of the present invention.
Figure 11 means the figure of another mode of the liquid crystal transfer tube of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
Figure 12 and Figure 13 mean the figure of the liquid crystal discharge state that uses the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention.
Figure 14 means the figure of another embodiment of the liquid crystal branched structure of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
Label declaration
10: the liquid crystal bottle
12: cylinder component
14: pipe
18: the liquid crystal supply pipe
20: the liquid crystal spray nozzle assembly
22: housing
24: multi-nozzle
26: heat radiator
28: cover plate
30: the liquid crystal supply pipe inserts recess
32: the control part connecting hole
34: the refrigerating gas introducing port
36: the refrigerating gas escape hole
38: installation bracket
40: dispenser
42: the liquid crystal transfer tube
44: head of nozzle
46: lower plate
48a: the first hold-down bars
48b: the second hold-down bars
50: the vibrations drive division
52: the first pads
54: the second pads
56: introduction channel
58: common passage
62: branched bottom
64,70: stop block flows
66: the stop block set collar flows
72: back up pad
76: piezoelectric element
78: the piezoelectric element diaphragm
82: par
Embodiment
Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.At first, the inscape of each accompanying drawing is marked with reference to label, for same inscape, is marked with as far as possible same label while meaning in different accompanying drawings.In addition, when explanation is of the present invention, while in the related known structure or to illustrating of function, causing main idea of the present invention not known, description is omitted.In addition, although below the explanation the preferred embodiments of the present invention, technological thought of the present invention is not limited to this, the present invention can be out of shape in many ways and be implemented by those skilled in the art.
Fig. 3 means the figure of coating head unit of the liquid crystal spreader of the liquid crystal spray nozzle assembly that comprises that the preferred embodiments of the present invention are related.
Fig. 4 is the stereographic map of the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention, Fig. 5 means the stereographic map of the inner structure of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related, and Fig. 6 means the figure of the liquid crystal branched structure of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
With reference to Fig. 4, liquid crystal spray nozzle assembly 20 comprises: housing 22, the built-in inscape for liquid crystal is carried out branch and aspirates the liquid crystal of branch of institute in inside; With cover plate 28, cover a face of above-mentioned housing 22.Cover plate 28 can installation or removal on above-mentioned housing 22.Can at least one face of housing 22, be provided for emitting to outside the heat radiator 26 of the heat of housing 22 inside.
Be provided with the liquid crystal supply pipe that liquid crystal supply pipe 18 is inserted and insert recess 30 on cover plate 28.In addition, the control part connecting hole 32 that electric wire (not shown) is inserted can be set on cover plate 28, said wires is for vibrations drive division 50 transfer control signal to hereinafter illustrating.On the other hand, can on cover plate 28, arrange and import for the refrigerating gas introducing port 34 of the refrigerating gas of cooling housing 22 inside and the refrigerating gas escape hole 36 of discharging the refrigerating gas imported.As refrigerating gas, can use air, the inert gas as nitrogen, helium or argon gas.In the situation that use air as refrigerating gas, can use the clean dry air (CDA:Clean Dryer Air) of having removed impurity and moisture.More than illustrated and be provided with the situation that the liquid crystal supply pipe inserts recess 30, control part connecting hole 32, refrigerating gas introducing port 34 and refrigerating gas escape hole 36 on cover plate 28, but above-mentioned inscape can be arranged on the housing 22 except cover plate 28 certainly.
Liquid crystal spray nozzle assembly 20 can comprise installation bracket 38.Installation bracket 38 can be fixed in cover plate 28 or housing 22.As an embodiment, installation bracket 38 is fixed in coating head unit 9, liquid crystal spray nozzle assembly 20 can be installed on to coating head unit 9.
With reference to Fig. 5, liquid crystal spray nozzle assembly 20 comprises: cut apart and distribute the liquid crystal that is supplied to housing 22 inside dispenser 40, pass through the liquid crystal that dispenser 40 distributes a plurality of liquid crystal transfer tubes 42, above-mentioned a plurality of liquid crystal transfer tubes 42 are applied respectively the vibrations drive division 50 of vibrations and are arranged at respectively on above-mentioned a plurality of liquid crystal transfer tube 42 and the head of nozzle (nozzle tip) 44 of the outstanding liquid crystal of cutting apart.
Liquid crystal transfer tube 42 is carried out function from the liquid crystal distributed to head of nozzle 44 that transmit.As an embodiment, liquid crystal transfer tube 42 is fixed in the lower plate 46 relative with above-mentioned cover plate 28.In addition, liquid crystal transfer tube 42 can make a part be positioned at above-mentioned lower plate 46 with the approximate right angle bending from above-mentioned lower plate 46.End at each liquid crystal transfer tube 42 arranges head of nozzle 44.Head of nozzle 44 can be integrally formed with liquid crystal transfer tube 42, also can arrange respectively with liquid crystal transfer tube 42 and be connected with above-mentioned liquid crystal transfer tube 42.Above-mentioned a plurality of head of nozzle 44 forms multi-nozzle 24.Liquid crystal transfer tube 42 preferably consists of the material of the vibrations that can transmit efficiently vibrations drive division 50.As the material of liquid crystal transfer tube 42, can use as such polymeric material, glass material or the zirconia material etc. of polyetheretherketone (polyetherether ketone, PEEK).
50 pairs of liquid crystal transfer tubes 42 of vibrations drive division apply vibrations.Vibrations drive division 50 can form tabular.As an embodiment, vibrations drive division 50 can form rhombus on the whole.Both sides at vibrations drive division 50 are provided with the first connect apertures 51a and the second connect apertures 51b.
On the other hand, be provided with the first hold-down bars 48a and the second hold-down bars 48b on housing 22.As an embodiment, a plurality of liquid crystal transfer tubes 42 are configured to row, and the first hold-down bars 48a and the second hold-down bars 48b are positioned at the both sides of a plurality of liquid crystal transfer tubes 42 that are arranged as row.Can on a liquid crystal transfer tube 42, configure a vibrations drive division 50.In addition, in order to improve the vibrating effect transmitted to liquid crystal transfer tube 42, vibrations drive division 50 can be set in the both sides of a liquid crystal transfer tube 42.Now, a liquid crystal transfer tube 42 is between a pair of vibrations drive division 50.
With reference to Fig. 5, a plurality of vibrations drive divisions 50 and the first hold-down bars 48a and the second hold-down bars 48b link as stacking (stack) shape.Insert the first hold-down bars 48a in the first connect apertures 51a of vibrations drive division 50, insert the second hold-down bars 48b in the second connect apertures 51b.Be provided with the second pad 54 in the both sides of a liquid crystal transfer tube 42 between paired vibrations drive division 50, between certain a pair of vibrations drive division 50 and another are to vibrations drive division 50, be provided with the first pad 52.As an embodiment, the second pad 54 and the first pad 52 can be the packing rings of metal material.In addition, above-mentioned metal can have electric conductivity.In the situation that on vibrations drive division 50, piezoelectric element described later is set, to the piezoelectric element input control signal, the first pad 52 of above-mentioned metal material and the second pad 54 can be brought into play the effect for an electrode of two electrodes of transfer control signal.
With reference to Fig. 6, the structure of dispenser 40 to a plurality of liquid crystal transfer tube 42 dispensing liquid crystal is described.Be provided with the liquid crystal supply pipe and insert recess 30 on cover plate 28, liquid crystal supply pipe 18 is inserted in the liquid crystal supply pipe and inserts recess 30.Be provided with the common passage 58 of the introduction channel 56 that imports the liquid crystal of supplying with from liquid crystal supply pipe 18, liquid crystal that lateral transport is supplied with by introduction channel 56 and the branched bottom 62 that circulation passage 58 connects and is connected respectively with a plurality of liquid crystal transfer tubes 42 together on dispenser 40.The liquid crystal of supplying with from liquid crystal supply pipe 18 imports to introduction channel 56 and cuts apart and distribute to each branched bottom 62 by common passage 58.Be provided with liquid crystal transfer tube patchhole 64 below branched bottom 62.Insert liquid crystal transfer tube 42 in liquid crystal transfer tube patchhole 64.The liquid crystal that is assigned to branched bottom 62 transmits to each liquid crystal transfer tube 42.
The common passage 58 of dispenser 40 can generate hole by lateral penetration dispenser 40, and forms with the both sides of the first common passage stopper 60a and the second common passage stopper 60b plugging hole.
On the other hand, introduction channel 56 is connected in the substantial middle section of common passage 58, a plurality of branched bottoms 62 with the mode launched along common passage 58 together circulation passage 58 connect, so branched bottom 62 from introduction channel 56 more away from, the amount of the liquid crystal distributed is less.In order to address this problem, the stop block 64 that flows can be set in liquid crystal transfer tube 64.It is long-pending that the stop block 64 that flows is configured to the internal cross section that reduces liquid crystal transfer tube 64.
Fig. 7 a means the figure of an embodiment of the mobile stop block of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related, and Fig. 7 b means the figure of mobile another embodiment of stop block of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
With reference to Fig. 7 a, the mobile stop block set collar 66 that related mobile stop block 64 of embodiment can be corresponding with the end by with liquid crystal transfer tube 42 is arranged at liquid crystal transfer tube 42 with the state that mobile stop block connecting link 68 is connected.With reference to Fig. 7 b, the related mobile stop block 70 of another embodiment is external diameters and the internal diameter of liquid crystal transfer tube 42 hollow cylinder (hollow cylinders) of the mode of consistent and central perforation roughly.Now, mobile stop block 70 can or be used cementing agent be incorporated into above-mentioned liquid crystal transfer tube 42 by tight inserted mode.
Fig. 8 is the vertical view of the vibrations drive division of the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention, and Fig. 9 is the cut-open view of the vibrations drive division of the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention.
As an embodiment, vibrations drive division 50 comprises tabular back up pad 72 and is attached to the piezoelectric element 76 of above-mentioned back up pad 72.Piezoelectric element 76 is configured to contact with liquid crystal transfer tube 42.Above-mentioned back up pad 72 can be by liquid crystal transfer tube 42 directions, the leaf spring to piezoelectric element 76 application of forces forms, so that piezoelectric element 76 is close to the outer wall of liquid crystal transfer tube 42.With reference to Fig. 9, back up pad 72 comprises that the reverse direction towards the face that is attached with piezoelectric element 76 has the first back up pad ear of predetermined angular (support plate ear) 74a and the second back up pad ear 74b.Be provided with the first connect apertures 51a on the first back up pad ear 74a, on the second back up pad ear 74b, be provided with the second connect apertures 51b.If insert respectively the first hold-down bars 48a and the second hold-down bars 48b in the first connect apertures 51a and the second connect apertures 51b, in conjunction with vibrations drive division 50, piezoelectric element 76 is stressed and be close to liquid crystal transfer tube 42 directions.As an embodiment, for the vibrations of transmitting based on piezoelectric element 76 to liquid crystal transfer tube 42 efficiently, back up pad 72 has almost diamond.
On the other hand, be connected with electrode connecting portion 80 on piezoelectric element 76.For an electrode of electrode that drives piezoelectric element 76, above-mentioned electrode connecting portion 80, consist of, another electrode can consist of the first pad 52 with electric conductivity and the second pad 54 as mentioned above.
Can be provided for protecting the diaphragm 78 of piezoelectric element 76 on the top of piezoelectric element 76.The face that diaphragm 78 can contact with liquid crystal transfer tube 42 along piezoelectric element 76 and arranging.Diaphragm 78 minimizes damage and the excessive heat-dissipating of the piezoelectric element 76 that causes due to friction.Said protection film 78 preferably consists of thermotolerance and the good material of wearing quality.As the one example, the Kapton Tape of polyimide material (kapton tape) can be used as diaphragm.
Figure 10 is the figure for the suction of the explanation liquid crystal that the driving of the vibrations drive division of related liquid crystal spray nozzle assembly is carried out by the preferred embodiments of the present invention.
State with contact on the outer peripheral face of liquid crystal transfer tube 42 arranges vibrations drive division 50.Vibrations drive division 50 can be used one as mentioned above, and also a pair of vibrations drive division 50 is arranged at the outer peripheral face of liquid crystal transfer tube 42 as shown in figure 10.As an embodiment, the back up pad 72 of vibrations drive division 50 is supported for piezoelectric element 76 with the outer peripheral face of liquid crystal transfer tube 42 and contacts having under flexible state.The part contacted with liquid crystal transfer tube 42 at piezoelectric element 76 is provided with piezoelectric element diaphragm 78.With reference to Figure 10 (b) and Figure 10 (c), along with to piezoelectric element 76 input control signals, piezoelectric element 76 carries out pucker & bloat, produces vibrations thereupon.The vibrations that produce are transmitted to liquid crystal transfer tube 42.The upstream of liquid crystal transfer tube 42 is states of supplying with by liquid crystal supply pipe 18 from cylinder component 12.Due to the vibrations that produce at vibrations drive division 50, the liquid crystal that is supplied to liquid crystal transfer tube 42 inside is aspirated by downstream one side to liquid crystal transfer tube 42.
Figure 11 means the figure of another mode of the liquid crystal transfer tube of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
Liquid crystal transfer tube 42 shown in Figure 11 is characterised in that and comprises par 82.Par 82 is arranged at least one side of liquid crystal transfer tube 42, in the situation that be provided with a pair of vibrations drive division 50, par 82 is arranged at the two sides of liquid crystal transfer tube 42.As an embodiment, plastic yield can occur by the both sides of pressurization liquid crystal transfer tube 42 and form in par 82.As the present invention, the face of par 82 is not to form plane.In 82De position, par, the length direction section of liquid crystal transfer tube 42 is in oval-shaped situation, and its function also can be realized in par 82.This be due to, with the situation that there is no par 82, compare, in the situation that par 82 is arranged, can increase the contact area of piezoelectric element 76 and liquid crystal transfer tube 42.
Figure 12 and Figure 13 mean the figure of the liquid crystal discharge state that uses the related liquid crystal spray nozzle assembly of the preferred embodiments of the present invention.
Figure 12 cuts off the cut-open view of liquid crystal spray nozzle assembly 20 along the length direction of liquid crystal transfer tube 42, Figure 13 take Figure 12 to observe the figure of liquid crystal spray nozzle assembly 20 as benchmark from left side.The liquid crystal of supplying with by liquid crystal supply pipe 18 is assigned as the quantity of liquid crystal transfer tube 42 in dispenser 40.The liquid crystal distributed to each liquid crystal transfer tube 42 is discharged and is dripped to substrate from each head of nozzle 44 that forms multi-nozzle 24.
With reference to Figure 12, in liquid crystal spray nozzle assembly 20, liquid crystal transfer tube 42 is from dispenser 40 level connection joints, and (in Figure 12, be near lower plate 46 or its inner) bends to vertical direction in precalculated position.Thereby head of nozzle 44 is towards substrate S.In other words, liquid crystal transfer tube 42 is set to be bent into
The state of word shape, be provided with the said nozzle head in a side of above-mentioned liquid crystal transfer tube, and the opposite side of above-mentioned liquid crystal transfer tube is combined with above-mentioned dispenser.On the other hand, as embodiments of the invention, liquid crystal transfer tube 42 also can configure to vertical direction.But, as shown in figure 12, in the situation that from dispenser 40 horizontal arrangement, there is the liquid crystal distributed in liquid crystal transfer tube 42, be not to the advantage of head of nozzle 44 direction suctions by its deadweight but by the driving of vibrations drive division 50.In addition, by liquid crystal transfer tube 42 from horizontal direction the structure towards vertical direction bending, can prevent or be minimized in the residual bubble in inside of liquid crystal transfer tube 42.
Figure 14 means the figure of another embodiment of the liquid crystal branched structure of the liquid crystal spray nozzle assembly that the preferred embodiments of the present invention are related.
In the explanation of carrying out with reference to Fig. 6, dispenser 40 is illustrated as the common passage 58 that is provided with the introduction channel 56 that imports the liquid crystal of supplying with from liquid crystal supply pipe 18, liquid crystal that lateral transport is supplied with by introduction channel 56 and the bulk of the branched bottom 62 that circulation passage 58 connects and is connected respectively with a plurality of liquid crystal transfer tubes 42 together.
And with reference to Figure 14, another embodiment related dispenser 100 comprise with the liquid crystal supply pipe of cover plate 28 and insert liquid crystal ingress pipe 102 that recess 30 is connected, be connected lateral transport also with above-mentioned liquid crystal ingress pipe 102 and pass through the common pipe 104 of liquid crystal of liquid crystal ingress pipe 102 importings and the take-off pipe 106 be connected with above-mentioned common pipe 104.Downside at above-mentioned cover plate 28 is provided with the liquid crystal ingress pipe insertion recess 108 be communicated with above-mentioned liquid crystal supply pipe insertion recess 30, and above-mentioned liquid crystal ingress pipe 102 is inserted in the liquid crystal ingress pipe and inserts recess 108.
Liquid crystal transfer tube 42 and above-mentioned take-off pipe 106 combinations.As an embodiment, liquid crystal transfer tube 42 is incorporated into the outside of above-mentioned take-off pipe 106 as shown in figure 14.Certainly, according to circumstances, liquid crystal transfer tube 42 also can be incorporated into the inboard of above-mentioned take-off pipe 106.At this, above-mentioned liquid crystal ingress pipe 102, above-mentioned common pipe 104 and take-off pipe 106 can consist of the material with rigidity to a certain degree, as its material, glass, metal or plastic resin are for example arranged.
Above-mentioned explanation is only to illustrate technological thought of the present invention, and those skilled in the art can carry out various distortion, change and displacement in the scope that does not break away from intrinsic propesties of the present invention.Therefore, in the present invention, the disclosed embodiments and accompanying drawing do not limit technological thought of the present invention, but, for what describe, the scope of technological thought of the present invention is not limited to above-described embodiment and accompanying drawing.Protection scope of the present invention should be explained by claims, with all technological thoughts in its equivalency range, should be interpreted as belonging in protection scope of the present invention.
Claims (21)
1. the liquid crystal spray nozzle assembly of a liquid crystal spreader, cut apart and discharge received liquid crystal, it is characterized in that, comprising:
Dispenser, be divided into received above-mentioned liquid crystal at least two parts and distributed;
At least two liquid crystal transfer tubes, be connected with above-mentioned dispenser, receives the liquid crystal of cutting apart;
The vibrations drive division, be arranged at each above-mentioned liquid crystal transfer tube, and above-mentioned liquid crystal transfer tube is applied to vibrations; And
Head of nozzle, be arranged at the end of above-mentioned liquid crystal transfer tube and discharge liquid crystal.
2. liquid crystal spray nozzle assembly according to claim 1, is characterized in that, also comprises the housing that forms ectosome, on a face of above-mentioned housing, is combined with cover plate.
3. liquid crystal spray nozzle assembly according to claim 2, is characterized in that, at least one face of above-mentioned housing, is provided with heat radiator.
4. liquid crystal spray nozzle assembly according to claim 2, is characterized in that, on above-mentioned cover plate or above-mentioned housing, is provided with:
The refrigerating gas introducing port, import for carrying out cooling refrigerating gas; With
The refrigerating gas export mouth, discharge the above-mentioned refrigerating gas imported from above-mentioned refrigerating gas introducing port.
5. liquid crystal spray nozzle assembly according to claim 1, is characterized in that, above-mentioned dispenser comprises:
The liquid crystal ingress pipe;
Common pipe, be connected with above-mentioned liquid crystal ingress pipe, the liquid crystal that lateral transport imports by above-mentioned liquid crystal ingress pipe; And
At least two take-off pipes, be connected with above-mentioned common pipe, and above-mentioned liquid crystal transfer tube is combined with above-mentioned take-off pipe.
6. liquid crystal spray nozzle assembly according to claim 1, is characterized in that, above-mentioned dispenser comprises:
Introduction channel, import above-mentioned liquid crystal;
Branched bottom, to above-mentioned liquid crystal transfer tube dispensing liquid crystal; And
Common passage, be connected with above-mentioned introduction channel and above-mentioned branched bottom.
7. liquid crystal spray nozzle assembly according to claim 6, is characterized in that, is formed with the liquid crystal transfer tube patchhole that above-mentioned liquid crystal transfer tube is inserted below above-mentioned branched bottom.
8. liquid crystal spray nozzle assembly according to claim 7, it is characterized in that, in upper side end or the inboard of the above-mentioned liquid crystal transfer tube inserted to above-mentioned liquid crystal transfer tube patchhole, be inserted with the mobile stop block of the long-pending part of the internal cross section that occupies above-mentioned liquid crystal transfer tube.
9. liquid crystal spray nozzle assembly according to claim 8, is characterized in that, above-mentioned mobile stop block is that the mobile stop block set collar corresponding by the end with above-mentioned liquid crystal transfer tube and the stop block connecting link that flows connect setting.
10. liquid crystal spray nozzle assembly according to claim 8, is characterized in that, above-mentioned mobile stop block is set to the cylindrical shape of external diameter and the corresponding and central perforation of internal diameter of above-mentioned liquid crystal transfer tube, is fixed in the upper inner of above-mentioned liquid crystal transfer tube.
11. according to the described liquid crystal spray nozzle assembly of any one in claim 1 to 10, it is characterized in that, above-mentioned vibrations drive division comprises back up pad and is attached to the piezoelectric element on a face of above-mentioned back up pad.
12. liquid crystal spray nozzle assembly according to claim 11, is characterized in that, above-mentioned back up pad supports above-mentioned piezoelectric element in mode elastic force is applied on above-mentioned piezoelectric element towards above-mentioned liquid crystal transfer tube.
13. liquid crystal spray nozzle assembly according to claim 11, is characterized in that, the zone contacted with above-mentioned liquid crystal transfer tube on above-mentioned piezoelectric element is formed with the piezoelectric element diaphragm.
14. liquid crystal spray nozzle assembly according to claim 11, is characterized in that, according to each above-mentioned liquid crystal transfer tube, is respectively arranged with a pair of above-mentioned vibrations drive division.
15. liquid crystal spray nozzle assembly according to claim 14, is characterized in that, above-mentioned vibrations drive division is arranged at each liquid crystal transfer tube, and a plurality of vibrations drive divisions are set to stacked shape.
16. liquid crystal spray nozzle assembly according to claim 15, it is characterized in that, above-mentioned back up pad comprises the first back up pad ear and the second back up pad ear in both sides, on above-mentioned the first back up pad ear, be provided with the first connect apertures, on above-mentioned the second back up pad ear, is provided with the second connect apertures.
17. liquid crystal spray nozzle assembly according to claim 16, is characterized in that, also comprises the first hold-down bars inserted to above-mentioned the first connect apertures and the second hold-down bars inserted to above-mentioned the second connect apertures.
18. liquid crystal spray nozzle assembly according to claim 17, is characterized in that, is provided with the pad at the interval that maintains above-mentioned vibrations drive division on above-mentioned the first hold-down bars and above-mentioned the second hold-down bars.
19. liquid crystal spray nozzle assembly according to claim 18 is characterized in that above-mentioned pad consists of conductive material.
20. according to the described liquid crystal spray nozzle assembly of any one in claim 1 to 10, it is characterized in that, above-mentioned liquid crystal transfer tube is set to be bent into
The state of word shape, be provided with the said nozzle head in a side of above-mentioned liquid crystal transfer tube, and the opposite side of above-mentioned liquid crystal transfer tube is combined with above-mentioned dispenser.
21. liquid crystal spray nozzle assembly according to claim 11, is characterized in that, the part contacted with above-mentioned piezoelectric element on above-mentioned liquid crystal transfer tube is formed with par.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0053841 | 2012-05-21 | ||
| KR1020120053841A KR102011753B1 (en) | 2012-05-21 | 2012-05-21 | Liquid Crystal Discharge Nozzle Assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103424937A true CN103424937A (en) | 2013-12-04 |
| CN103424937B CN103424937B (en) | 2018-01-12 |
Family
ID=49649907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210342513.1A Expired - Fee Related CN103424937B (en) | 2012-05-21 | 2012-09-17 | Liquid crystal spray nozzle assembly |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102011753B1 (en) |
| CN (1) | CN103424937B (en) |
| TW (1) | TWI574742B (en) |
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- 2012-05-21 KR KR1020120053841A patent/KR102011753B1/en active IP Right Grant
- 2012-09-17 CN CN201210342513.1A patent/CN103424937B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| KR102011753B1 (en) | 2019-08-19 |
| CN103424937B (en) | 2018-01-12 |
| TWI574742B (en) | 2017-03-21 |
| TW201402220A (en) | 2014-01-16 |
| KR20130129755A (en) | 2013-11-29 |
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