CN107024805A - A kind of display panel to cassette method and display panel - Google Patents
A kind of display panel to cassette method and display panel Download PDFInfo
- Publication number
- CN107024805A CN107024805A CN201710427600.XA CN201710427600A CN107024805A CN 107024805 A CN107024805 A CN 107024805A CN 201710427600 A CN201710427600 A CN 201710427600A CN 107024805 A CN107024805 A CN 107024805A
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- Prior art keywords
- liquid crystal
- substrate
- display panel
- state
- solid
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Classifications
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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
- G02F1/1341—Filling or closing of cells
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- 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
- G02F1/1341—Filling or closing of cells
- G02F1/13415—Drop filling process
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention disclose a kind of display panel to cassette method, the display panel includes first substrate and second substrate, and methods described includes, the sprinkling solid-state liquid crystal on the first substrate；Sealant is coated in the neighboring area of the second substrate；The first substrate and the second substrate are carried out to box；The sealant is subjected to curing process；Wherein, it is described to box and the curing process during the liquid crystal be in solid-state.By the sprinkling of solid-state liquid crystal on the first substrate, and keeping liquid crystal to be in solid-state box and curing process process, can effectively prevent to box and to box into solidification process due to puncture phenomenon that the mobility of liquid crystal is caused to sealant.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel to cassette method and display panel.
Background technology
Available liquid crystal panel product to the general use liquid crystal of box technique be added dropwise (one drop fill, ODF) → vacuum pair
Box → UV solidifies the technological process of sealant, and whole process is carried out at normal temperatures substantially.
In liquid crystal dropping apparatus, liquid crystal is instilled on array or color membrane substrates with the state of liquid crystal state, sealant coating
Onto another substrate.Then the liquid crystal that will instil respectively is transmitted with being coated with the color film of sealant with array base palte by manipulator
To vacuum in cartridge device, the two is completed to box in sealed vacuum chamber, then discharges vacuum pressure.The preliminary base completed to box
The solidification of sealant is completed in the equipment that plate circulation solidifies to UV.
Due to liquid crystal by the mobility of itself full of space in box, box is near completion to UV this section before solidifying when
In, liquid crystal can cause certain impact to surrounding sealant, and now sealant is uncured soft state, and chemistry is living
Jerk is high, and easily being impacted by liquid crystal is influenceed, and forms the hole of internal thorn-like, is referred to as interior puncture.Puncture can cause it is a series of not
It is good, such as break glue, liquid crystal leakage, electrostatic breakdown.
The content of the invention
The invention provides a kind of display panel to cassette method and display panel, to solve display panel in the prior art
The problem of sealant is punctured during to box.
In a first aspect, the present invention provide a kind of display panel to cassette method, including：Sprayed on the first substrate solid
State liquid crystal；
Sealant is coated in the neighboring area of the second substrate；
The first substrate and the second substrate are carried out to box；
The sealant is subjected to curing process；
Wherein, it is described to box and the curing process during the liquid crystal be in solid-state.
Alternatively, it is described that box and the curing process process are carried out in the cryogenic vacuum chamber of same equipment.
Alternatively, it is described to box and the solidification process after the completion of, the chamber recovers normal temperature and pressure state, makes described solid
State liquid crystalline transition is liquid crystal state and the space formed full of the first substrate, the sealant and the second substrate.
Alternatively, the environment temperature in the cryogenic vacuum chamber is less than -40 DEG C.
Alternatively, the environment temperature in the cryogenic vacuum chamber is less than -50 DEG C.
Alternatively, the solid-state liquid crystal is in powdered, and the diameter of the powder of the solid-state liquid crystal is less than 3um.
Alternatively, the diameter of the powder of the solid-state liquid crystal is less than 1um.
Alternatively, it is described that the sealant is subjected to curing process, including：
Ultraviolet light UV solidifications are carried out to the sealant.
Second aspect, the present invention provides the display panel that a kind of use above method is made.
Compared with prior art, the embodiment of the present invention has advantages below：
By the sprinkling of solid-state liquid crystal on the first substrate, and liquid crystal is being kept to be in solid-state in box and curing process process,
Can effectively prevent to box and to box into solidification process due to puncture phenomenon that the mobility of liquid crystal is caused to sealant.
Brief description of the drawings
Fig. 1 show a kind of display panel provided in an embodiment of the present invention to cassette method flow chart；
Fig. 2 show another display panel provided in an embodiment of the present invention to cassette method flow chart；
The technological process to cassette method that Fig. 3 a~d show a kind of display panel provided in an embodiment of the present invention is illustrated
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other implementation acquired under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The embodiment that the present invention is provided, reference picture 1 and Fig. 3 a~d, wherein Fig. 1 is one kind provided in an embodiment of the present invention
Display panel to cassette method flow chart, Fig. 3 a~d is a kind of display panel provided in an embodiment of the present invention to cassette method
Process flow diagram.
The embodiment comprises the following steps：
Step 101, solid-state liquid crystal is sprayed on the first substrate.
The liquid crystal of liquid crystal state has stronger mobility, causes to wear because the flowing of liquid crystal can carry out impact to sealant
Thorn, and the liquid crystal mobility of solid-state is weaker, it is not easy to sealant impact is caused to puncture.
Liquid crystal state is under liquid crystal normal temperature, but at low temperature, when temperature is less than -40 DEG C, liquid crystal presented solid-state, because
This, sprinkling solid-state liquid crystal needs to keep ambient temperature to be less than -40 DEG C.In order to ensure that liquid crystal is fully in solid-state, it is preferable that
Ambient temperature is kept to be less than -50 DEG C.
During solid-state liquid crystal is sprayed at into first substrate, influence can be produced on the surface of first substrate because of friction,
Therefore the diameter that the powder of solid-state liquid crystal may be selected is less than 3um, to weaken due to the shadow that the surface rubbed to first substrate is caused
Ring.Certainly, the diameter of the powder of solid-state liquid crystal is the smaller the better, it is therefore preferable that diameter is less than 1um solid-state liquid crystal powder.
Step 102, sealant is coated in the neighboring area of the second substrate.
In the step, the neighboring area of the second substrate of sealant coating corresponds to the non-display area of display panel.
After step 101 and step 102, the structure of formation can refer to shown in Fig. 3 a.
Step 103, the first substrate and the second substrate are carried out to box.
The side of second substrate coating sealant is carried out pair to the side that liquid crystal is sprayed to first substrate in cartridge device
Box.
Step 104, the sealant is subjected to curing process.
Because liquid crystal state liquid crystal can be punctured caused by mobility is to sealant, therefore, in above-mentioned steps 103 and step 104
In, liquid crystal is still to keep solid-state.
In step 103, two substrates are carried out in the vacuum chamber to cartridge device to box, due to needing to keep liquid
Crystalline substance is in solid-state, therefore the chamber also needs to keep low temperature environment.Equally, at step 104, when being solidified, still also need
Keep low temperature environment.Above-mentioned low temperature environment preferable temperature is less than -50 DEG C, to ensure that liquid crystal is fully in solid-state.
Structure by step 103 and step 104 formation can refer to shown in Fig. 3 b and 3c.
Wherein, after step 103 terminates, it can discharge in vacuum pressure, recovery to atmospheric pressure state, step 104, as long as keeping
Low-temperature condition, you can avoid because of liquid crystal mobility in the curing process to the puncture caused by sealant.
By the above, the embodiment of the present invention has advantages below：
By the sprinkling of solid-state liquid crystal on the first substrate, and liquid crystal is being kept to be in solid-state in box and curing process process,
Can effectively prevent to box and to box into solidification process due to puncture phenomenon that the mobility of liquid crystal is caused to sealant.
However, the negative pressure of vacuum chamber can be being discharged to the complete preliminary completion rear chamber of box, during pressure is discharged, greatly
The periphery that gas flows into impact sealant is measured, because sealant now is uncured soft state, sealant is easily caused
Outer puncture phenomenon；And curing apparatus is being transferred to two substrates of the preliminary completion of box, solidification process is carried out to sealant
In, the environment that continue holding low temperature is relatively difficult, if low temperature environment can not be kept, solid-state liquid crystal can be transformed into liquid crystal
State, and then due to its mobility, sealant impact is caused to puncture.
If being carried out in view of above-mentioned to box and solidification process in two equipment, keep the solid-state of liquid crystal relatively difficult, because
This, will can be carried out to box and curing process process in the cryogenic chamber of same equipment, can so avoid to after the completion of box because
The outer puncture for discharging vacuum chamber negative pressure and being caused to sealant, can also be avoided because being not easy to keep low-temperature condition so that solid-state liquid
The interior puncture that crystalline substance is transformed into liquid crystal state liquid crystal and caused to sealant.Further, since liquid crystal is being solid-state less than -40 DEG C, therefore,
Environment temperature in the cryogenic vacuum chamber of the equipment should also be below -40 DEG C.At -50 DEG C, liquid crystal can fully be in solid-state, because
This, preferably the environment temperature in cryogenic vacuum chamber is less than -50 DEG C.
Another embodiment that the present invention is provided, reference picture 2 simultaneously combines Fig. 3 a~d, and wherein Fig. 2 provides for the embodiment of the present invention
Another display panel to cassette method flow chart, Fig. 3 a~d is a kind of pair of display panel provided in an embodiment of the present invention
The process flow diagram of cassette method.
The embodiment specific steps are as shown in Fig. 2 can include：
Step 201, solid-state liquid crystal is sprayed on the first substrate.
The liquid crystal of liquid crystal state has stronger mobility, causes to wear because the flowing of liquid crystal can carry out impact to sealant
Thorn, and the liquid crystal mobility of solid-state is weaker, it is not easy to sealant impact is caused to puncture.
Liquid crystal state is under liquid crystal normal temperature, but at low temperature, when temperature is less than -40 DEG C, liquid crystal presented solid-state, because
This, sprinkling solid-state liquid crystal needs to keep ambient temperature to be less than -40 DEG C.In order to ensure that liquid crystal is fully in solid-state, it is preferable that
By temperature control less than -50 DEG C.
During solid-state liquid crystal is sprayed at into first substrate, influence can be produced because of the surface rubbed on first substrate, because
This diameter that the powder of solid-state liquid crystal may be selected is less than 3um, to weaken due to the influence that the surface rubbed to first substrate is caused.
Certainly, the diameter of the powder of solid-state liquid crystal is the smaller the better, it is therefore preferable that diameter is less than 1um solid-state liquid crystal powder.
Step 202, sealant is coated in the neighboring area of the second substrate.
In the step, the neighboring area of the second substrate of sealant coating corresponds to the non-display area of display panel.
After step 201 and step 202, the structure of formation can refer to shown in Fig. 3 a.
Step 203, the first substrate and the second substrate are carried out to box in cryogenic vacuum chamber.
The side of second substrate coating sealant is to spraying the side of liquid crystal to first substrate true to the low temperature of cartridge device
Carried out in plenum chamber to box.
Step 204, curing process is carried out to sealant in cryogenic vacuum chamber.
Step 203 and step 204 are carried out in same cryogenic vacuum chamber, can so avoid to after the completion of box because
The outer puncture for discharging vacuum chamber negative pressure and being caused to sealant, can also be avoided because being not easy to keep low-temperature condition so that solid-state liquid
The interior puncture that crystalline substance is transformed into liquid crystal state and caused to sealant.Further, since liquid crystal-less than -40 DEG C be solid-state, therefore, should
Environment temperature in the cryogenic vacuum chamber of equipment should also be below -40 DEG C.At -50 DEG C, liquid crystal can fully be in solid-state, because
This, preferably the environment temperature in cryogenic vacuum chamber is less than -50 DEG C.
Structure by step 203 and step 204 formation can refer to shown in Fig. 3 b and 3c.
In above-mentioned all solidification process, alternatively, curing process is carried out to sealant using ultraviolet light UV solidifications.Ultraviolet light
UV is cured as the curing commonly used in sealant solidification, implements fairly simple.
Step 205, chamber is made to recover normal temperature and pressure state, solid-state liquid crystalline transition is liquid crystal state and is full of first base
The space of plate, the sealant and second substrate formation.
It is above-mentioned to box and solidification process after the completion of, solid-state liquid crystal needs to be changed into liquid crystal state, and full of two substrates with
The space that sealant is surrounded, because now sealant has been cured, the liquid crystal of liquid crystal state is caused due to mobility to sealant
After impact, the phenomenon of interior puncture is not resulted in yet.In addition, completed in above-mentioned same cryogenic vacuum chamber to box and solidification after,
The chamber recovers during normal pressure, because sealant has been cured, after now ambient atmos impact to sealant, also will not
Cause outer puncture phenomenon.
After step 205, formed shown in structure reference picture 3d.
Above-mentioned first substrate can be array base palte, and second substrate can be color membrane substrates.Alternatively, above-mentioned first base
Plate can be color membrane substrates, and second substrate can be array base palte.
By the above, the embodiment of the present invention includes advantages below：
By the sprinkling of solid-state liquid crystal on the first substrate, and liquid crystal is being kept to be in solid-state in box and curing process process,
Can effectively prevent to box and to box into solidification process due to puncture phenomenon that the mobility of liquid crystal is caused to sealant.Will
Box and curing process process carried out in the cryogenic vacuum chamber of same equipment, it is to avoid because transfer is needed after the completion of preliminary to box
The negative pressure for discharging vacuum chamber causes the outer puncture phenomenon of sealant, and in same equipment, it is to avoid branching program, section
The time has been saved, the efficiency to box and solidification is improved.
The embodiment of the present invention additionally provides a kind of display panel, and it uses the display panel that above-described embodiment method is made.
Display panel provided in an embodiment of the present invention can apply to liquid crystal display, LCD TV, DPF, hand
Machine, tablet personal computer etc. have the product of display function, and this present invention is not limited.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.For system embodiment
For, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of key elements are not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or also include being this process, method, article
Or the intrinsic key element of terminal device.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (9)
1. a kind of display panel to cassette method, the display panel include first substrate and second substrate, it is characterised in that bag
Include：
Solid-state liquid crystal is sprayed on the first substrate；
Sealant is coated in the neighboring area of the second substrate；
The first substrate and the second substrate are carried out to box；
The sealant is subjected to curing process；
Wherein, it is described to box and the curing process during the liquid crystal be in solid-state.
2. display panel according to claim 1 to cassette method, it is characterised in that it is described to box and the curing process
Process is carried out in the cryogenic vacuum chamber of same equipment.
3. display panel according to claim 2 to cassette method, it is characterised in that also include：
It is described to box and the solidification process after the completion of, the chamber recovers normal temperature and pressure state, makes the solid-state liquid crystalline transition
For liquid crystal state and full of the space of the first substrate, the sealant and second substrate formation.
4. display panel according to claim 2 to cassette method, it is characterised in that the ring in the cryogenic vacuum chamber
Border temperature is less than -40 DEG C.
5. display panel according to claim 4 to cassette method, it is characterised in that the ring in the cryogenic vacuum chamber
Border temperature is less than -50 DEG C.
6. display panel according to claim 1 to cassette method, it is characterised in that the solid-state liquid crystal in powdered,
And the diameter of the powder of the solid-state liquid crystal is less than 3um.
7. display panel according to claim 6 to cassette method, it is characterised in that the powder of the solid-state liquid crystal it is straight
Footpath is less than 1um.
8. display panel according to claim 1 to cassette method, it is characterised in that it is described to be consolidated the sealant
Change is handled, including：
Ultraviolet light UV solidifications are carried out to the sealant.
9. a kind of display panel that cassette method is made of the display panel described in use claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427600.XA CN107024805A (en) | 2017-06-08 | 2017-06-08 | A kind of display panel to cassette method and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427600.XA CN107024805A (en) | 2017-06-08 | 2017-06-08 | A kind of display panel to cassette method and display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107024805A true CN107024805A (en) | 2017-08-08 |
Family
ID=59531430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710427600.XA Pending CN107024805A (en) | 2017-06-08 | 2017-06-08 | A kind of display panel to cassette method and display panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN107024805A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5108332A (en) * | 1988-06-29 | 1992-04-28 | Nokia Unterhaltungeselektronik Gmbh | Method of manufacturing a liquid-crystal cell |
| CN102116971A (en) * | 2009-12-31 | 2011-07-06 | 北京京东方光电科技有限公司 | Method and equipment for filling liquid crystal and equipment for preparing solid liquid crystal powder |
| CN103412443A (en) * | 2013-07-22 | 2013-11-27 | 北京京东方光电科技有限公司 | Box pairing method for display panel |
-
2017
- 2017-06-08 CN CN201710427600.XA patent/CN107024805A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5108332A (en) * | 1988-06-29 | 1992-04-28 | Nokia Unterhaltungeselektronik Gmbh | Method of manufacturing a liquid-crystal cell |
| CN102116971A (en) * | 2009-12-31 | 2011-07-06 | 北京京东方光电科技有限公司 | Method and equipment for filling liquid crystal and equipment for preparing solid liquid crystal powder |
| CN103412443A (en) * | 2013-07-22 | 2013-11-27 | 北京京东方光电科技有限公司 | Box pairing method for display panel |
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Application publication date: 20170808 |