CN105093577A - Cutting device for liquid crystal display panel - Google Patents
Cutting device for liquid crystal display panel Download PDFInfo
- Publication number
- CN105093577A CN105093577A CN201510434804.7A CN201510434804A CN105093577A CN 105093577 A CN105093577 A CN 105093577A CN 201510434804 A CN201510434804 A CN 201510434804A CN 105093577 A CN105093577 A CN 105093577A
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- Prior art keywords
- liquid crystal
- crystal panel
- pin
- alignment pin
- alignment grooves
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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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a cutting device for a liquid crystal display panel. The cutting device comprises a cutting mechanism and a carrying platform, in which multiple sorption holes used for being arranged on the liquid crystal display panel in a sorption manner are formed. The cutting mechanism is arranged above the carrying platform and used for cutting the liquid crystal display panel. The cutting device is characterized in that the cutting device further comprises alignment pins; the alignment pins comprise pin heads and fixing dowels; alignment grooves are arranged at positions in the vicinity to edges of the carrying platform; positions of the alignment pins are adjustable in the alignment grooves; the alignment pins are fixed at arbitrary positions of the alignment grooves by means of the fixing dowels; and the pin heads are in touch with the liquid crystal display panel and serve as alignment references to the liquid crystal display panel.By arranging the long alignment grooves on the carrying platform, the function of flexibly adjusting the alignment references is fulfilled.
Description
Technical field
The invention belongs to liquid crystal panel manufacturing technology field, particularly relate to a kind of cutter sweep of liquid crystal panel.
Background technology
At present, liquid crystal display replaces the conventional cathode ray tube (CathodeRayTube for counter gradually, CRT) display, and, due to features such as liquid crystal display utensil are light, thin, little, it is made to be applicable to very much being applied in desktop PC, portable computer, personal digital assistant (PersonalDigitalAssistant, PDA), portable phone, TV and multiple office automation and audio-visual equipment.Liquid crystal panel is its main element, the liquid crystal layer that liquid crystal panel generally comprises a thin film transistor base plate, a colored filter substrate and is clipped between this thin film transistor base plate and this colored filter substrate.Be generally the output improving and manufacture liquid crystal indicator, usually distribute multiple thin film transistor base plate on a large mother substrate, and multiple colored filter substrate that distributes on another mother substrate, again by bonded to each other for this two mother substrate, form multiple unit liquid crystal panel simultaneously, therefore, before carrying out successive process, need the large plate base after this laminating to be cut/sliver forming unit liquid crystal panel according to product size.
In prior art, at the X of microscope carrier, Y-direction arranges alignment pin respectively, described alignment pin is screwed on described microscope carrier, contraposition basis as liquid crystal panel is cut, and microscope carrier is provided with sorption hole, and substrate utilizes vacuum to be fixed on microscope carrier by liquid crystal panel when cutting by sorption hole.This alignment mode at least has following shortcoming:
Alignment pin is for being fixedly installed, but the cutting path of different size liquid crystal panel is had nothing in common with each other, sometimes there will be line of cut just to overlap with sorption hole, if now substrate plywood thickness is at below 0.4mm, when line of cut appears at again sorption hole just, because not supporting below line of cut, cutting quality there will be abnormal (as slight crack, fragmentation, the bad order such as cracked), and product yield also cannot meet Production requirement.
Summary of the invention
The object of the present invention is to provide one to have and can adjust alignment pin position flexibly, the cutter sweep of the liquid crystal panel avoiding line of cut to overlap with microscope carrier sorption hole.
To achieve these goals, embodiment of the present invention provides following technical scheme:
The invention provides a kind of cutter sweep of liquid crystal panel, comprise cutting mechanism and microscope carrier, described microscope carrier is provided with multiple sorption hole, the liquid crystal panel on described microscope carrier is placed in for sorption, described cutting mechanism is located at above described microscope carrier, for cutting described liquid crystal panel, the cutter sweep of described liquid crystal panel also comprises alignment pin, described alignment pin comprises plunger and fixing pin, the described microscope carrier place of keeping to the side also is provided with alignment grooves, the position of described alignment pin in described alignment grooves is adjustable, described alignment pin is fixed on the optional position in described alignment grooves by described fixing pin, described plunger contacts with described liquid crystal panel and as the contraposition reference of described liquid crystal panel.
Wherein, described alignment pin is provided with magnetic medium, and described alignment pin is adsorbed on described microscope carrier by described magnetic medium.
Wherein, it is characterized in that, described fixing pin is resilient material, and the power produced by the Elastic Contact between fixing pin and described alignment grooves sidewall fixes described alignment pin, and described fixing pin contacts with described sidewall elastomer and makes the position of described fixing pin in described alignment grooves adjustable.
Wherein, the bottom of described alignment grooves to be more than or equal to bottom described fixing pin bottom plunger to the distance at top between distance.
Wherein, be provided with countersunk head groove between described alignment grooves and microscope carrier upper surface, described countersunk head groove is used for fixing described plunger.
Wherein, the degree of depth of described countersunk head groove is less than described plunger thickness.
Wherein, the adjustment direction of described alignment pin in described alignment grooves is mutually vertical with the rectilinear direction at the place, limit liquid crystal panel contacting described alignment grooves.
Wherein, the quantity of described alignment grooves is multiple, has at least the adjustment direction of two alignment pin in described alignment grooves orthogonal in described alignment grooves.
Wherein, the quantity of described alignment pin is multiple, and described multiple alignment pin comprises multiple different model, and the plunger of the described alignment pin of different model varies in size, and can be changed the contraposition reference of described liquid crystal panel by the alignment pin changing different size plunger.
Wherein, the spacing in described multiple sorption hole is less than the size of the rear liquid crystal panel of cutting.
Embodiment of the present invention tool has the following advantages or beneficial effect:
The present invention by arranging long alignment grooves on microscope carrier, described alignment pin can be fixed on the optional position in described long alignment grooves, to regulate the method for alignment pin position, realization can flexible contraposition reference function, reach in cutting process, line of cut does not close with the sorption bare weight on microscope carrier, to carry the technique effect of the production yield of panel.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cutter sweep structural representation of liquid crystal panel of the present invention;
Fig. 2 is the cutter sweep vertical view of the liquid crystal panel described in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2, the cutter sweep 100 of liquid crystal panel of the present invention, comprise microscope carrier 2, alignment pin 3 and cutting mechanism 4, described microscope carrier 2 upper surface is provided with multiple sorption hole 21, sorption hole 21 is connected with vacuum machine (scheming not shown) by vacuum tube (scheming not shown), the absorption affinity produced by vacuum machine makes the liquid crystal panel 5 be placed on described microscope carrier 2 firmly be fixed on described microscope carrier 2, so that cutting mechanism 4 pairs of liquid crystal panels 5 cut.Described microscope carrier 2 is also provided with alignment grooves 22 in submarginal place, described alignment grooves 22 is for fixing alignment pin 3, described alignment pin 3 comprises plunger 31 and fixing pin 32, described plunger 31 can contact with described liquid crystal panel 5, the reference that described plunger 31 is located as liquid crystal panel 5, described fixing pin 32 is placed in described alignment grooves 22, for fixing described alignment pin 3, the length L of described alignment grooves 22 should be greater than the diameter R of described fixing pin 32, the position of described fixing pin 32 in described alignment grooves 22 can be regulated, the scope regulated is: alignment grooves length L-fixing pin diameter R.Described fixed pin 32 can be fixed on the optional position in described alignment grooves 22.
When the cutter sweep 100 of liquid crystal panel works, liquid crystal panel 5 is placed on microscope carrier 2, by regulating the position of described alignment pin 3 in described alignment grooves 22, make to overlap with the sorption hole 21 on described microscope carrier 2 with the line of cut 8 of described alignment pin 3 liquid crystal panel 5 that is reference, then vacuum machine is opened, make described liquid crystal panel 5 be adsorbed on described microscope carrier 2 tightly, now can start described cutting mechanism 4 and cutting action is carried out to described liquid crystal panel 5.
By arranging the method for long alignment grooves 22, the position of described alignment pin 3 in described alignment grooves 22 can be regulated by avoiding because not supporting below line of cut 8, and cutting quality there will be abnormal situation and occurs.This method structure is simple, easy to use, practical, and substantially increases the cutting quality of liquid crystal panel, improves production yield.
One embodiment of the present of invention, can be provided with magnetic medium in described alignment pin 3, because under normal circumstances, the material of described microscope carrier is steel, and described alignment pin 3 can be adsorbed on described microscope carrier 2 in alignment grooves 22 by described magnetic medium.Because acting force when liquid crystal panel 5 contacts with described alignment pin 3 is little, so do not need very large magnetic force just can fix the position of described alignment pin 3.
Preferably, described plunger 31 can select magnetic material to make, and is directly adsorbed in the alignment grooves 22 on described microscope carrier 2 by described plunger 31.
Preferably, magnetic material also can be selected to make described fixing pin 32, directly be adsorbed on described microscope carrier 2 in alignment grooves 22 by described fixing pin 32.
Apparent, described plunger 31 and fixing pin 32 all select magnetic material, to be jointly adsorbed on described microscope carrier 2 in alignment grooves 22 by described plunger 31 and fixing pin 32.
In an alternative embodiment of the invention, described fixing pin 32 can adopt resilient material, now the diameter R of fixing pin 32 can slightly larger than the width of described alignment grooves 22, the fixing pin 32 that resilient material is made contacts with the sidewall elastomer of described alignment grooves 22, elastic deformation is there is in resilient material in described alignment grooves 22, by the interaction force that elastic deformation produces, described alignment pin 3 is fixed in described alignment grooves 22.Described fixing pin 32 contacts with the sidewall elastomer of described alignment grooves 22 and makes the position of described fixing pin 32 in described alignment grooves 22 adjustable
Further, described resilient material can be rubber, soft plastic, resin etc.
Further, in the present invention, the bottom 221 of described alignment grooves 22 to be more than or equal to bottom described fixing pin 32 distance bottom 321 to plunger 31 between 311 to the distance at top 222, in other words, the degree of depth of described alignment grooves 22 should to be more than or equal to bottom described fixing pin 32 distance bottom 321 to plunger 31 between 311.Preferably, the degree of depth of described alignment grooves 22 should to be greater than bottom described fixing pin 32 distance bottom 321 to plunger 31 between 311, with when regulating the position of alignment pin 3 in described alignment grooves 22, to avoid bottom fixing pin 32 321 with described alignment grooves 22 bottom 221 to come in contact, obstruction is caused to adjustment.
As further preferred scheme, be provided with countersunk head groove 23 between described alignment grooves 22 and microscope carrier 2 upper surface, described countersunk head groove 23 is for placing described plunger 31.Preferably, the depth H of described countersunk head groove 23 should be less than the thickness B of described plunger 31, some can expose described microscope carrier 2 surface to make described plunger 31, the described liquid crystal panel 5 being placed in described microscope carrier 2 surface also can be contacted with described plunger 31, and with described plunger 31 for contraposition reference.
In one embodiment of the present of invention, the adjustment direction of described alignment pin 3 in described alignment grooves 22 (i.e. the length direction of alignment grooves 22) is mutually vertical with the rectilinear direction described liquid crystal panel 5 contacting the place, limit of described alignment grooves 22, mobile described alignment pin 3, described alignment pin 3 is moved on the length direction of described alignment grooves 23, and then change the contraposition reference of liquid crystal panel 5, avoid line of cut 8 to overlap with described sorption hole 21.
Preferred further, the quantity of described alignment grooves 22 can be multiple, and has at least two the adjustment directions of described alignment pin 3 in described alignment grooves 22 orthogonal.In other words, have at least the length direction of two alignment grooves 22 orthogonal in described alignment grooves 23, the X-direction of i.e. described microscope carrier 2 is at least provided with an alignment grooves 22, the Y-direction of described microscope carrier 2 is also at least provided with an alignment grooves 22, crossing with on liquid crystal panel 5 respectively two limits of X on microscope carrier 2 and Y-direction are parallel, with the Y-direction of immobile liquid crystal panel 5 and the contraposition reference of X-direction respectively, namely the contraposition reference of the alignment grooves 22 in X-direction for the Y-direction of fixing described liquid crystal panel 5 is located at, be located at the contraposition reference of the alignment grooves 22 in Y-direction for the X-direction of fixing described liquid crystal panel 5.
As further preferred scheme, the quantity of alignment pin 3 is multiple, and described multiple alignment pin 3 comprises multiple different model, the plunger 31 of the described alignment pin 3 of different model has multiple different size, when carrying out contraposition and regulating, the reference of liquid crystal panel 5 contraposition can be changed by the alignment pin 3 changing different size plunger 31.The reference of liquid crystal panel 5 contraposition can be changed regularly by this method.That is the alignment pin 3 by changing different size plunger 31 changes the method for the reference of liquid crystal panel 5 contraposition, the numerical value of its change is fixing, change numerical value is: | (plunger 1 diameter-plunger 2 diameter)/2|, wherein, plunger 1 is the plunger of the alignment pin before changing, and plunger 2 is the plunger of the alignment pin after changing.Change different-diameter plunger 31 alignment pin 3 after, when line of cut 88 still overlaps with described sorption hole 21, can be eliminated by the adjustment position of alignment pin 3 in alignment grooves 22.
Further, the spacing in described sorption hole 21 should be less than the size of the rear liquid crystal panel 5 of cutting, that is, the liquid crystal panel 5 after cutting should correspond to the multiple sorption holes 21 on described microscope carrier 2, is absorbed and fixed on described microscope carrier 2 by the liquid crystal panel 5 after cutting by described sorption hole 21.Ensure that liquid crystal panel 5 is in the process of cutting, not cut mechanism 4 throws out.Thus ensure the cutting quality of liquid crystal panel 5, improve the quality of production.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (10)
1. the cutter sweep of a liquid crystal panel, comprise cutting mechanism and microscope carrier, described microscope carrier is provided with multiple sorption hole, the liquid crystal panel on described microscope carrier is placed in for sorption, described cutting mechanism is located at above described microscope carrier, for cutting described liquid crystal panel, it is characterized in that, also comprise alignment pin, described alignment pin comprises plunger and fixing pin, the described microscope carrier place of keeping to the side also is provided with alignment grooves, the position of described alignment pin in described alignment grooves is adjustable, described alignment pin is fixed on the optional position in described alignment grooves by described fixing pin, described plunger contacts with described liquid crystal panel and as the contraposition reference of described liquid crystal panel.
2. the cutter sweep of liquid crystal panel as claimed in claim 1, it is characterized in that, described alignment pin is provided with magnetic medium, and described alignment pin is adsorbed on described microscope carrier by described magnetic medium.
3. the cutter sweep of liquid crystal panel as claimed in claim 1, it is characterized in that, described fixing pin is resilient material, the power produced by the Elastic Contact between fixing pin and described alignment grooves sidewall fixes described alignment pin, and described fixing pin contacts with described sidewall elastomer and makes the position of described fixing pin in described alignment grooves adjustable.
4. the cutter sweep of as claimed in claim 2 or claim 3 liquid crystal panel, is characterized in that, the distance between the bottom of described alignment grooves to be more than or equal to bottom described fixing pin bottom plunger to the distance at top.
5. the cutter sweep of liquid crystal panel as claimed in claim 4, is characterized in that, be provided with countersunk head groove between described alignment grooves and microscope carrier upper surface, and described countersunk head groove is used for fixing described plunger.
6. the cutter sweep of liquid crystal panel as claimed in claim 5, it is characterized in that, the degree of depth of described countersunk head groove is less than described plunger thickness.
7. the cutter sweep of liquid crystal panel as claimed in claim 1, it is characterized in that, the adjustment direction of described alignment pin in described alignment grooves is mutually vertical with the rectilinear direction at the place, limit liquid crystal panel contacting described alignment grooves.
8. the cutter sweep of liquid crystal panel as claimed in claim 7, it is characterized in that, the quantity of described alignment grooves is multiple, has at least the adjustment direction of two described alignment pin in described alignment grooves orthogonal.
9. the cutter sweep of liquid crystal panel as claimed in claim 1, it is characterized in that, the quantity of described alignment pin is multiple, and described multiple alignment pin comprises multiple different model, the plunger of the described alignment pin of different model varies in size, and can be changed the contraposition reference of described liquid crystal panel by the alignment pin changing different size plunger.
10. the cutter sweep of liquid crystal panel as claimed in claim 1, is characterized in that, the spacing in described multiple sorption hole is less than the size of the rear liquid crystal panel of cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434804.7A CN105093577A (en) | 2015-07-22 | 2015-07-22 | Cutting device for liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434804.7A CN105093577A (en) | 2015-07-22 | 2015-07-22 | Cutting device for liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105093577A true CN105093577A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510434804.7A Pending CN105093577A (en) | 2015-07-22 | 2015-07-22 | Cutting device for liquid crystal display panel |
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| Country | Link |
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| CN (1) | CN105093577A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397370A (en) * | 2017-08-15 | 2019-03-01 | 惠州中京电子科技有限公司 | Splice screen board cutting method |
| CN110780474A (en) * | 2019-11-07 | 2020-02-11 | 京东方科技集团股份有限公司 | Conductive adhesive attaching carrying platform, attaching device and attaching method |
| WO2022187053A1 (en) * | 2021-03-01 | 2022-09-09 | Tesla, Inc. | Wafer alignment structure |
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| CN1407385A (en) * | 2001-08-24 | 2003-04-02 | 瀚宇彩晶股份有限公司 | Device for aligned binding hard protecting film |
| JP2004235386A (en) * | 2003-01-30 | 2004-08-19 | Sharp Corp | Positioning table and positioning method |
| TW200728815A (en) * | 2006-01-23 | 2007-08-01 | Chunghwa Picture Tubes Ltd | Panel positioning device |
| CN102050566A (en) * | 2009-10-30 | 2011-05-11 | 孙月卫 | Absorption apparatus |
| CN103353681A (en) * | 2013-06-20 | 2013-10-16 | 深圳市华星光电技术有限公司 | Device and method for cutting LCD (liquid crystal display) panel |
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2015
- 2015-07-22 CN CN201510434804.7A patent/CN105093577A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1407385A (en) * | 2001-08-24 | 2003-04-02 | 瀚宇彩晶股份有限公司 | Device for aligned binding hard protecting film |
| JP2004235386A (en) * | 2003-01-30 | 2004-08-19 | Sharp Corp | Positioning table and positioning method |
| TW200728815A (en) * | 2006-01-23 | 2007-08-01 | Chunghwa Picture Tubes Ltd | Panel positioning device |
| CN102050566A (en) * | 2009-10-30 | 2011-05-11 | 孙月卫 | Absorption apparatus |
| CN103353681A (en) * | 2013-06-20 | 2013-10-16 | 深圳市华星光电技术有限公司 | Device and method for cutting LCD (liquid crystal display) panel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397370A (en) * | 2017-08-15 | 2019-03-01 | 惠州中京电子科技有限公司 | Splice screen board cutting method |
| CN110780474A (en) * | 2019-11-07 | 2020-02-11 | 京东方科技集团股份有限公司 | Conductive adhesive attaching carrying platform, attaching device and attaching method |
| WO2022187053A1 (en) * | 2021-03-01 | 2022-09-09 | Tesla, Inc. | Wafer alignment structure |
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Application publication date: 20151125 |