CN103676263A - Remaking method for liquid crystal display panel - Google Patents
Remaking method for liquid crystal display panel Download PDFInfo
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- CN103676263A CN103676263A CN201310222477.XA CN201310222477A CN103676263A CN 103676263 A CN103676263 A CN 103676263A CN 201310222477 A CN201310222477 A CN 201310222477A CN 103676263 A CN103676263 A CN 103676263A
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- liquid crystal
- perforate
- crystal panel
- reserved area
- area
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 161
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 10
- 238000011084 recovery Methods 0.000 description 6
- 230000004069 differentiation Effects 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Liquid Crystal (AREA)
Abstract
The invention provides a remaking method for a liquid crystal display panel. The remaking method is applied to the liquid crystal display panel comprising two substrates. Liquid crystal is contained between the substrates. The remaking method for the liquid crystal display panel comprises the following steps: (a) the liquid crystal display panel is divided into a reserving area and a removing area, and the portion, on one substrate, of the removing area forms a first open hole; (b) the liquid crystal in the substrates is liquefied and pumped out of the reserving area through the first open hole; (c) the liquid crystal display panel is cut, so that the reserving area and the removing area are separated from each other, and the reserving area is provided with a cutting face defining a slot; (d) the liquid crystal is poured into the reserving area through the slot; (e) the cutting face is sealed through glue so as to prevent the liquid crystal in the reserving area from flowing out through the slot. The remaking method can lower the operation technology requirement of recovering and remaking, and improve the execution efficiency.
Description
Technical field
The present invention relates to a kind of recasting method, particularly relate to a kind of recasting method of liquid crystal panel.
Background technology
Liquid crystal panel is when assembling, carrying or use, if experience external force collision, may cause the regional area of described base material to break, part liquid crystal is flowed out from rent, therefore need to scrap this liquid crystal panel, in addition, in product up-gradation, need to eliminate in the situation of old liquid crystal panel, generally can directly scrap the liquid crystal panel of monoblock, but above-mentioned situation only needs to scrap described base material in fact, because inner liquid crystal is recyclable recycling.
Except scrapping the object of recovery, liquid crystal panel also may be because for example liquid crystal quality be bad, board design change or other various factors, and faces the situation that need to substitute liquid crystal, is therefore necessary to take to extract liquid crystal out change measure.
Consult Fig. 1, Fig. 2, current known a kind of liquid crystal recovery method, can be used to extract a liquid crystal in liquid crystal panel 11, for recycling, this liquid crystal recovery method comprises the following step: cut this liquid crystal panel 11 along an excision line 10 (1) is that a reserved area 111 and one remove district 112, so that two plate substrates 113 of this reserved area 111 form an excision face 114; And (2) certainly this excision face 114 liquid crystal is detached out from 113 of described base materials.
Although this liquid crystal recovery method can be extracted the liquid crystal in this liquid crystal panel 11 out, but the interval of described base material 113 is quite little, and the shape of this excision face 114 is long and narrow, need to be undertaken by special and more accurate extracting device, operative technique door is also higher, the mobility that adds liquid crystal is not good, and extraction process quite expends time in, and makes the time cost reclaiming be difficult for reducing.
Summary of the invention
The object of the present invention is to provide a kind of recasting method that is easier to the liquid crystal panel of operation.
The recasting method of liquid crystal panel of the present invention, is applicable to be implemented in a liquid crystal panel, and this liquid crystal panel comprises two base materials separately, between described base material, contains liquid crystal.
The recasting method of this liquid crystal panel comprises the following step: (a) this liquid crystal panel is divided into a reserved area and one and removed district, and in this of a plate substrate wherein, remove district and form first perforate; (b) make the liquid crystal liquefaction in described base material, and from this first perforate, liquid crystal is detached to this reserved area; (c) cut this liquid crystal panel separated from one another so that this reserved area and this are removed to district, this reserved area has a face that cuts that defines a slit; (d) from this slit, liquid crystal is poured in this reserved area; And (e) this is cut to face sealing and flow out from this slit to prevent liquid crystal in this reserved area.
The recasting method of liquid crystal panel of the present invention, this first perforate is near this reserved area.
The recasting method of liquid crystal panel of the present invention also removes district in this of this base material and forms second perforate in this step (a).
The recasting method of liquid crystal panel of the present invention, the area of this first perforate is less than the area of this second perforate.
The recasting method of liquid crystal panel of the present invention, in this step (b), applies a negative pressure in this first perforate so that liquid crystal is pulled out, and applies one and be just pressed on this second perforate so that liquid crystal is pushed mobile.
The recasting method of liquid crystal panel of the present invention also removes district in this of another plate substrate and forms second perforate in this step (a).
The recasting method of liquid crystal panel of the present invention, this first perforate and this second perforate are distributed in non-overlapping position each other.
The recasting method of liquid crystal panel of the present invention, the area of this first perforate is less than the area of this second perforate.
The recasting method of liquid crystal panel of the present invention, in this step (b), applies a negative pressure in this first perforate so that liquid crystal is pulled out, and applies one and be just pressed on this second perforate so that liquid crystal is pushed mobile.
The recasting method of liquid crystal panel of the present invention is by this liquid crystal panel heating so that liquid crystal liquefaction in this step (b).
The recasting method of liquid crystal panel of the present invention, this reserved area in this step (c) also has two sides that cut respectively face both sides adjacent to this, is that this is cut to face and the sealing of described side in this step (e).
The recasting method of liquid crystal panel of the present invention, the liquid crystal kind detaching in this step (b) is not identical with the liquid crystal kind pouring in this step (d).
The recasting method of liquid crystal panel of the present invention, the liquid crystal kind detaching in this step (b) is identical with the liquid crystal kind pouring in this step (d).
Beneficial effect of the present invention is: utilize described the first perforate to extract liquid crystal, can reduce the operative technique threshold and the device requirement that extract flow process, improve the efficiency reclaiming, and reach the object of recasting recycling.
Accompanying drawing explanation
Fig. 1 is a front elevation, illustrates that known liquid crystal recovery method is applied to a liquid crystal panel;
Fig. 2 is a cut-open view, and the structure of this known liquid crystal panel after cropped is described;
Fig. 3 is a process flow diagram, and the implementation step of first preferred embodiment of the recasting method of liquid crystal panel of the present invention is described;
Fig. 4 is a front elevation, illustrates that this first preferred embodiment is implemented on a liquid crystal panel;
Fig. 5 is a cut-open view, and the structure of analysing and observe of this liquid crystal panel in this first preferred embodiment is described;
Fig. 6 is a side view, shows a reserved area of this liquid crystal panel is poured into liquid crystal;
Fig. 7 is that this reserved area of a demonstration is by the schematic diagram of sealing;
Fig. 8 is a process flow diagram, and the implementation step of second preferred embodiment of the recasting method of liquid crystal panel of the present invention is described;
Fig. 9 is a front elevation, illustrates that this second preferred embodiment is implemented on a liquid crystal panel; And
Figure 10 is a cut-open view, and the structure of analysing and observe of this liquid crystal panel in this second preferred embodiment is described.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Consult Fig. 3, Fig. 4, Fig. 5, first preferred embodiment of the recasting method of liquid crystal panel of the present invention, is applicable to be implemented in a liquid crystal panel 2, and this liquid crystal panel 2 comprises two base materials 21 separately, and 21 of described base materials contain liquid crystal 3.
The recasting method of this first preferred embodiment comprises the following step.
First, as shown in step 61, this liquid crystal panel is divided into a reserved area and one and remove district, and hole to form first perforate and second perforate in the district that removes of a plate substrate wherein.
As shown in Figure 4, this step 61 is first along one, to distinguish line L, the region that these liquid crystal panel 2 wishs are retained is set as this reserved area 22, and the region that does not need to retain is set as to this and removes district 23, for example this liquid crystal panel 2 is divided into a reserved area 22 that is positioned at top, and one be positioned at below remove district 23, visual demand during the invention process and change the position of this differentiation line L, angle, to adjust this reserved area 22, remove the shape in district 23 with this, in this, remove in district 23 again, utilize boring apparatus (scheming not shown) to wherein plate substrate 21 borings, to form first perforate 231 and second perforate 232 near this differentiation line L.
The shape of this of this preferred embodiment the first perforate 231 and this second perforate 232 is all circle, and the area of this first perforate 231 is the areas that are less than this second perforate 232, but its shape and area ratio needn't limit while implementing, be also not necessarily limited to form by the mode of boring.When this step 61 is implemented, even also can omit the setting of this second perforate 232, relevant reason repeats after holding.
Then,, as shown in step 62, this liquid crystal panel is heated so that the liquid crystal in described base material liquefies, and from this first perforate, liquid crystal is detached to this reserved area.
Particularly, this step 62 is that this liquid crystal panel 2 is put into a heating chamber (heating chamber) heating while implementing, this heating chamber can come 2 heating of this liquid crystal panel by heating environment, after making these liquid crystal 3 intensifications reach fusing point, liquefy, the kind of actual heating-up temperature visible liquid crystal 3 and determining, in general liquid crystal 3 fusing points are between 80 ℃ to 90 ℃, so the heating-up temperature of this heating chamber can be set as 80 ℃～90 ℃.
In described liquid crystal 3, heat up after liquefaction, recycling vacuum drawn equipment extracts described liquid crystal 3, this preferred embodiment is to make vacuum drawn equipment apply a negative pressure in this first perforate 231, and apply one simultaneously and be just pressed on this second perforate 232, by the principle of pressure differential, make liquid crystal 3 be pushed and flow and be pulled out towards this first perforate 231, during practical operation, be to aim at this first perforate 231 by an extraction tube 51 that can apply negative pressure, and a forcing pipe 50 that can apply malleation is aimed at this second perforate 232, extraction tube 51 and forcing pipe 50 are sticked to respectively to this base material 21 to avoid disappointing, then start the program that extracts and pressurize, pushing liquid crystal 3 leaves this reserved area 22 and flows out outward along extraction tube 51 from the first perforate 231.
The circle that is shaped as due to the first perforate 231, the caliber shape of the most extraction tube 51 of can arranging in pairs or groups, general conventional vacuum drawn equipment can meet required, even can be when abovementioned steps 61 be holed, coordinate the caliber of extraction tube 51 and adjust the shape of the first perforate 231, so the present invention can promote applicable compatible.In addition, this first perforate 231 and this second perforate 232 are to be formed at base material 21 surfaces, comparatively simple in the operation of extracting or pressurizeing, and have reduced the technical threshold of operation.The position of this first perforate 231 is near this differentiation line L and this reserved area 22, so the liquid crystal 3 in this reserved area 22 also can flow out equably, saves and extracts required time, thereby can improve the efficiency of processing procedure.
Should be noted, in this preferred embodiment, because of the area of this second perforate 232, be greater than the area of this first perforate 231, so bestow the malleation of this second perforate 232, do not need too greatly, can make liquid crystal flow rapidly via this first perforate 231, contribute to promptly to complete extraction process.When implementing, the size relation of this first perforate 231 and this second perforate 232, also can change according to actual demand its ratio, by different area ratios, reaches different liquid crystal flow velocitys, and then adjusts extraction efficiency.
In addition, when this step 62 is implemented not to bestow extraction tube 51 or forcing pipe 50 is limited, because as long as this first perforate 231 and this second perforate 232 have pressure differential to each other, for example this first perforate 231 is the states that apply negative pressure, and this second perforate 232 is under normal atmosphere pressure, liquid crystal 3 will flow out from this first perforate 231 because of pressure differential.
Even, if this second perforate 232 is not set, 21 of described base materials are also enough to make liquid crystal 3 to flow with the pressure differential at these the first perforate 231 places, not take and this second perforate 232 is set as necessary while therefore implementing.The liquid crystal 3 that this step 62 detaches can recycle, or stores for future use and be used as subsequent step and use.
Then, as shown in step 63, cut this liquid crystal panel separated from one another so that this reserved area and this are removed to district, this reserved area has a face that cuts that defines a slit, and two sides that cut respectively face both sides adjacent to this.
Coordinate and consult Fig. 6, particularly, this step 63 is to utilize cutting apparatus along this differentiations line L while implementing, and first cuts wherein a plate substrate 21, cuts an other plate substrate 21 again, then the described base material 21 that splits, so that this reserved area 22 is with this, to remove district 23 separated from one another.After this removes district 23 and is cut open, can carry out other recovery process or directly abandon, so this reserved area 22 is because can continue to use without boring, it has one and cuts face 221, and two sides 222 that cut respectively face 221 both sides adjacent to this, because described base material 21 is spaced apart, so cutting face 221, this can define a slit 220.
Then,, as shown in step 64, from this slit, liquid crystal is poured in this reserved area.
This step 64 can be placed in this reserved area 22 pedestal 52 in a packing space 53 while implementing, this packing space 53 is vacuumized, make again this cut the liquid crystal 3 that face 221 contacts are positioned at bottom, then allow gas enter this packing space 53, by capillarity, liquid crystal 3 is poured in this reserved area 22 from this slit 220, to be filled in 21 of described base materials, because pour into the mode of liquid crystal 3, be general known technology, so narration no longer in detail.Liquid crystal 3 kinds that pour in this step 64, not identical with liquid crystal 3 kinds that detach in abovementioned steps 62, therefore can meet the demand of changing liquid crystal 3 and recasting panel.
But, liquid crystal 3 kinds that pour in this step 64 also can be identical with liquid crystal 3 kinds that detach in abovementioned steps 62, so the present invention also can be used as a kind of means of liquid crystal 3 recyclings of these liquid crystal panel 2 inside.
Finally, as shown in step 65, this is cut to face and the sealing of described side, to prevent that the liquid crystal in this reserved area from flowing out from this slit.
Coordinate and consult Fig. 7, in this step 65, be to utilize 54 pairs of sealing devices this cuts face 221 and 222 sealings of described side, make colloid 4 be attached to this and cut face 221 and described side 222, this colloid 4 can be solidified, and therefore can prevent that the liquid crystal 3 in this reserved area 22 from flowing out from this slit 220.During enforcement, also can only to this, cut face 221 and carry out sealing, to reduce sealing cost.
Conclude above-mentioned, after abovementioned steps 61 and step 62, can easily the liquid crystal in this liquid crystal panel 23 be extracted out, complete the action of reclaiming liquid crystal 3, in addition, when run into need substitute that liquid crystal 3 or this liquid crystal panel 2 have flaw phenomenon and need reform (rework), maybe need to cut this liquid crystal panel 2 to adjust the occasion of size, the predetermined region that will continue to utilize can be set as to reserved area 22, be scheduled to be set as removing district 23 in discarded region, and sequentially carry out step 61 to step 65, to reach the object of recasting.
Consult Fig. 8, Fig. 9, Figure 10, second preferred embodiment for the recasting method of liquid crystal panel of the present invention, its from aforementioned the first preferred embodiment different be in: in a plate substrate 21 wherein, form these first perforates 231, and remove district 23 in this of another plate substrate 21, form these second perforates 232.The implementation step of this second preferred embodiment is described as follows.
First, as shown in step 66, this liquid crystal panel is divided into a reserved area and one and remove district, and respectively this of described base material removed to district's boring, so that wherein a plate substrate forms first perforate and makes another plate substrate form second perforate.
When this step 66 is implemented, to utilize boring apparatus (scheming not shown) to remove district 23 near the position of this differentiation line L in this, first to wherein plate substrate 21 borings, again to other plate substrate 21 borings, to form respectively first perforate 231 and second perforate 232, and this first perforate 231 is distributed in non-overlapping position each other with this second perforate 232.
This removes district 23 because belong to the region that does not need reservation, even so boring respectively on described base material 21, do not affect the follow-up use in this reserved area 22 yet, the practice that this preferred embodiment has been demonstrated and holed respectively on described base material 21, can further promote adaptability of the present invention, this first perforate 231 and this second perforate 232 settings of staggering each other, can guarantee that liquid crystal 3 can not only limit in subrange mobile.
Then, as aforementioned the first preferred embodiment, this preferred embodiment after completing steps 66, can sequentially carry out subsequent step 62 to the extraction of step 65, cut, pour into and the flow process such as sealing.
In sum, the recasting method of liquid crystal panel of the present invention, no matter in the first preferred embodiment or the second preferred embodiment, all by the mode of described the first perforate 231 is set, improved the operation threshold that in the past extracts liquid crystal 3, lower the specific demand of extracting device, and promote the execution efficiency that reclaims recasting, so really can reach object of the present invention.
Claims (13)
1. a recasting method for liquid crystal panel, is applicable to be implemented in a liquid crystal panel, and this liquid crystal panel comprises two base materials separately, between described base material, contains liquid crystal, it is characterized in that:
The recasting method of this liquid crystal panel comprises the following step: (a) this liquid crystal panel is divided into a reserved area and one and removed district, and in this of a plate substrate wherein, remove district and form first perforate; (b) make the liquid crystal liquefaction in described base material, and from this first perforate, liquid crystal is detached to this reserved area; (c) cut this liquid crystal panel separated from one another so that this reserved area and this are removed to district, this reserved area has a face that cuts that defines a slit; (d) from this slit, liquid crystal is poured in this reserved area; And (e) this is cut to face sealing and flow out from this slit to prevent liquid crystal in this reserved area.
2. the recasting method of liquid crystal panel according to claim 1, is characterized in that: this first perforate is near this reserved area.
3. the recasting method of liquid crystal panel according to claim 1, is characterized in that: in this step (a), also in this of this base material, remove district and form second perforate.
4. the recasting method of liquid crystal panel according to claim 3, is characterized in that: the area of this first perforate is less than the area of this second perforate.
5. according to the recasting method of the liquid crystal panel described in claim 3 or 4, it is characterized in that: in this step (b), apply a negative pressure in this first perforate so that liquid crystal is pulled out, and apply one and be just pressed on this second perforate so that liquid crystal is pushed mobile.
6. the recasting method of liquid crystal panel according to claim 1, is characterized in that: in this step (a), also in this of another plate substrate, remove district and form second perforate.
7. the recasting method of liquid crystal panel according to claim 6, is characterized in that: this first perforate and this second perforate are distributed in non-overlapping position each other.
8. the recasting method of liquid crystal panel according to claim 6, is characterized in that: the area of this first perforate is less than the area of this second perforate.
9. according to the recasting method of the liquid crystal panel described in claim 6,7 or 8, it is characterized in that: in this step (b), apply a negative pressure in this first perforate so that liquid crystal is pulled out, and apply one and be just pressed on this second perforate so that liquid crystal is pushed mobile.
10. the recasting method of liquid crystal panel according to claim 1, is characterized in that: in this step (b), be by this liquid crystal panel heating so that liquid crystal liquefaction.
The recasting method of 11. liquid crystal panels according to claim 1, it is characterized in that: this reserved area in this step (c) also has two sides that cut respectively face both sides adjacent to this, be that this is cut to face and the sealing of described side in this step (e).
The recasting method of 12. liquid crystal panels according to claim 1, is characterized in that: the liquid crystal kind detaching in this step (b) is not identical with the liquid crystal kind pouring in this step (d).
The recasting method of 13. liquid crystal panels according to claim 1, is characterized in that: the liquid crystal kind detaching in this step (b) is identical with the liquid crystal kind pouring in this step (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222477.XA CN103676263B (en) | 2013-06-06 | 2013-06-06 | The recasting method of liquid crystal panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222477.XA CN103676263B (en) | 2013-06-06 | 2013-06-06 | The recasting method of liquid crystal panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103676263A true CN103676263A (en) | 2014-03-26 |
| CN103676263B CN103676263B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310222477.XA Expired - Fee Related CN103676263B (en) | 2013-06-06 | 2013-06-06 | The recasting method of liquid crystal panel |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101076877A (en) * | 2004-12-15 | 2007-11-21 | 株式会社尼康 | Substrate holding apparatus, exposure apparatus and device manufacturing method |
| CN101943816A (en) * | 2009-07-03 | 2011-01-12 | 友达光电(厦门)有限公司 | Liquid crystal recovery device and recovery method |
| CN102290364A (en) * | 2004-06-09 | 2011-12-21 | 尼康股份有限公司 | Substrate holding device, exposure apparatus having same and method for producing device |
-
2013
- 2013-06-06 CN CN201310222477.XA patent/CN103676263B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290364A (en) * | 2004-06-09 | 2011-12-21 | 尼康股份有限公司 | Substrate holding device, exposure apparatus having same and method for producing device |
| CN101076877A (en) * | 2004-12-15 | 2007-11-21 | 株式会社尼康 | Substrate holding apparatus, exposure apparatus and device manufacturing method |
| CN101943816A (en) * | 2009-07-03 | 2011-01-12 | 友达光电(厦门)有限公司 | Liquid crystal recovery device and recovery method |
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| CN103676263B (en) | 2016-05-25 |
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Owner name: LEADWELL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LEADWELL OPTICAL CO., LTD. Effective date: 20150225 |
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