CN107728347A - A kind of Polarizer removes method - Google Patents
A kind of Polarizer removes method Download PDFInfo
- Publication number
- CN107728347A CN107728347A CN201711020270.9A CN201711020270A CN107728347A CN 107728347 A CN107728347 A CN 107728347A CN 201711020270 A CN201711020270 A CN 201711020270A CN 107728347 A CN107728347 A CN 107728347A
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- CN
- China
- Prior art keywords
- polarizer
- glass substrate
- liquid nitrogen
- refrigeration plant
- refrigeration
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- 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
- G02F1/1316—Methods for cleaning the liquid crystal cells, or components thereof, during manufacture: Materials therefor
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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 discloses a kind of Polarizer to remove method, including：A kind of refrigeration plant, and a default preset temperature and pre-set constant temperature time are provided；The Polarizer being pasted on glass substrate is positioned in the refrigeration plant, starts the refrigerating device refrigeration, the refrigeration plant reaches the preset temperature；The glass substrate is cooled down in the preset temperature and in the pre-set constant temperature time；Take out the glass substrate and remove the Polarizer on the glass substrate.It is to utilize the glue characteristic failure under cryogenic conditions between Polarizer and glass substrate that the Polarizer, which removes method, quickly and easily to separate the Polarizer on glass substrate.The Polarizer removes method and enables to glass substrate after Polarizer is removed that cull is not present, so as to improve the heavy industry yield of glass substrate and reduce the input of human cost.
Description
Technical field
The present invention relates to field of liquid crystal display, more particularly to a kind of Polarizer to remove method.
Background technology
, it is necessary to carry out the attaching of Polarizer on the glass substrate in liquid crystal display preparation technology.The attaching of Polarizer
During polarisation board defect often be present, at this moment just need to use Polarizer to remove method to remove the defective polarisation of tool
Plate, and re-start the attaching of Polarizer.
However, current Polarizer removes method existing defects.For example, line of cut, which removes Polarizer, easily causes glass base
Plate cracks, or even ruptures.Secondly, after the Polarizer being pasted on glass substrate is removed, glass substrate can stay
Substantial amounts of cull down so that staff need repeatedly wiped, this by severely impact Polarizer heavy industry yield and
Increase the input of human cost.
The content of the invention
In view of this, the invention provides a kind of Polarizer to remove method, can remove quickly and easily and is pasted onto glass
Have defective Polarizer on glass substrate, so as to improve the heavy industry yield of Polarizer, also accordingly reduce manpower and cost of material
Input.
A kind of Polarizer removes method, including：
A kind of refrigeration plant, and a default preset temperature and pre-set constant temperature time are provided；
The Polarizer being pasted on glass substrate is positioned in the refrigeration plant, starts the refrigerating device refrigeration,
The refrigeration plant reaches the preset temperature；
The glass substrate is cooled down in the preset temperature and in the pre-set constant temperature time；
Take out the glass substrate and remove the Polarizer on the glass substrate.
Wherein, in the step of starting the refrigerating device refrigeration, including：Pressure is carried out to the refrigeration plant and vacuumizes behaviour
Make.
Wherein, the glass substrate is in the preset temperature and the step of cooled down in the pre-set constant temperature time,
Including：After the pre-set constant temperature time, the refrigeration plant is warming up to normal temperature and closes the refrigeration plant.
Wherein, there is provided a kind of refrigeration plant, and a default preset temperature and pre-set constant temperature time, including the preset temperature
Scope is -100 DEG C~-176 DEG C, and the scope of pre-set constant temperature time is 4~8 minutes.
Wherein, the refrigeration plant is liquid nitrogen refrigerator；The liquid nitrogen refrigerator is included to provide the liquid nitrogen of liquid nitrogen
Storage tank, gas-liquid separator, heat exchanger, vacuum equipment and the cold dry case for carrying the glass substrate；The liquid nitrogen storage tank,
Gas-liquid separator, heat exchanger and cold dry case are interconnected successively；The vacuum equipment respectively with the cold dry case and heat exchange
Device connects；The gaseous nitrogen contained in the gas-liquid separator separates liquid nitrogen；The heat exchanger is realized described by absorbing heat
Refrigeration in cold dry case；The vacuum equipment to the liquid nitrogen refrigerator vacuumizing.
Wherein, be provided with the cold dry case it is multiple can pull bracket, mutual spaced set between the bracket.
Wherein, the cold dry case is provided with handle.
Wherein, the heat exchanger includes exhaust outlet, for discharging gaseous nitrogen.
Wherein, the refrigeration plant includes the torus for being communicated in the exhaust outlet；The torus is housing by institute
The gaseous nitrogen of heat exchanger discharge is stated, and gaseous nitrogen is converted into liquid nitrogen.
Wherein, connected between the gas-liquid separator and the heat exchanger by first passage and second channel；It is described
First passage is used to the gaseous nitrogen after separation being converted into liquid nitrogen and liquid nitrogen is flowed into the heat exchanger；Described second is logical
Road is used to make the liquid nitrogen after separation flow into the heat exchanger.
Thus, the embodiment of the present invention, refrigeration plant is placed in by the way that the Polarizer of existing defects on glass substrate will be pasted on
In, and in control refrigeration plant to preset temperature and pre-set constant temperature time range so that between Polarizer and glass substrate
Glue characteristic fully fails.Simply remove the Polarizer being separated from each other with glass substrate manually again.It is described simple and quick
Polarizer remove method and enable to glass substrate after Polarizer is removed that cull is not present, so as to improve glass substrate
Heavy industry yield and the input for reducing human cost.
Brief description of the drawings
More clearly to illustrate the construction feature and effect of the present invention, it is entered with specific embodiment below in conjunction with the accompanying drawings
Row describes in detail.
Fig. 1 is that the Polarizer of the embodiment of the present invention removes the schematic flow sheet of method.
Fig. 2 is the structural representation of the liquid nitrogen refrigerator of the embodiment of the present invention.
Specific 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 describes.Obviously, described embodiment is the part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
Refering to Fig. 1, Fig. 1 is the schematic flow sheet that Polarizer of the present invention removes method.A kind of Polarizer, which removes method, to be included：
Step S10 provides a kind of refrigeration plant, and a default preset temperature and pre-set constant temperature time；In the present embodiment, in advance
If temperature range is -100 DEG C~-176 DEG C, the scope of pre-set constant temperature time is 4~8 minutes.In other embodiments, temperature is preset
Degree and pre-set constant temperature time can flexibly be set in other scopes according to actual conditions.This process, refrigeration plant preset temperature
For -150 DEG C, the pre-set constant temperature time is 5 minutes.
The Polarizer being pasted on glass substrate is positioned in the refrigeration plant by step S20, is started the refrigeration and is set
Prepare cold, the refrigeration plant reaches the preset temperature；Glass substrate will be pasted with the glass of Polarizer by mechanical arm
Substrate is positioned in refrigeration plant, starts refrigerating device refrigeration, when refrigeration plant reaches in preset temperature range, refrigeration plant
Keep constant temperature.
Glass substrate described in step S30 is cooled down in the preset temperature and in the pre-set constant temperature time；When passing through
Preset temperature of the Polarizer of glue on the glass substrate in refrigeration plant and in the pre-set constant temperature time, glass substrate with partially
Glue failure between tabula rasa so that glass substrate is separated from each other with Polarizer.
Step S40 takes out the glass substrate and removes the Polarizer on the glass substrate.Manipulator is by glass
Substrate takes out.Because the glue between glass substrate and Polarizer has failed, such staff can be directly to remove polarisation
Plate.The Polarizer removes method and quickly and easily can removed viscous Polarizer on the glass substrate, avoids polarisation
Plate is during removing so that and glass substrate occurs rupture or cracked, and after Polarizer is removed, on glass substrate
In the absence of viscose glue so that additional labor input unnecessary viscose glue need not be wiped again, so as to reduce manpower and material cost
Input.
In the present embodiment, the Polarizer removes method in the step of refrigeration plant starts refrigeration, it is necessary to be set to refrigeration
It is standby to carry out pressure vacuum pumping.Using vacuum pumping, to discharge the air in refrigeration plant so that refrigeration plant is freezing
During, refrigeration plant can be provided in fast-refrigerating under conditions of pure liquid nitrogen, so as to which reduce Polarizer removes man-hour.This
Outside, realize that refrigeration also contributes to the performance maintenance of refrigeration plant under conditions of pure liquid nitrogen.
In the present embodiment, the refrigeration plant that the Polarizer removes method keeps constant temperature within the pre-set constant temperature time
, it is necessary to which the refrigeration plant is after the pre-set constant temperature time in step, the refrigeration plant is warming up to normal temperature and closes institute
State refrigeration plant.When the viscose glue between glass substrate and Polarizer is in preset temperature and after failed in the pre-set constant temperature time,
Refrigeration plant starts to warm up, and when room temperature is reached, closes refrigeration plant, can so avoid glass substrate from low temperature ring
Border takes normal temperature environment and fragmentation occurs or cracks, so as to increase the utilization rate of glass substrate and reduce the wave of material
Take.In addition, the maintenance that refrigeration plant is also beneficial to refrigeration plant is closed under normal temperature condition.
As shown in Fig. 2 the refrigeration plant is liquid nitrogen refrigerator 100.Liquid nitrogen refrigerator 100 can cause glass substrate with
Viscose glue failure between Polarizer.The liquid nitrogen refrigerator 100 is included to provide the liquid nitrogen storage tank 10 of liquid nitrogen, gas-liquid separation
Device 20, heat exchanger 30, vacuum equipment 40, torus 50 and the cold dry case 60 for carrying the glass substrate.The liquid nitrogen
Storage tank 10, gas-liquid separator 20, heat exchanger 30 and cold dry case 60 pass sequentially through gas pipeline and are interconnected.Vacuum equipment 40
Connected respectively with the cold dry case 60 and heat exchanger 30.Torus 50 is connected by gas pipeline with heat exchanger 30.Gas-liquid
Separator 20 is used to separate the gaseous nitrogen contained in liquid nitrogen so that and heat exchanger 30 has sufficient liquid nitrogen absorption refrigeration,
So as to improve the operating efficiency of refrigeration plant.Heat exchanger 30 is used to the liquid nitrogen for coming from gas-liquid separator 20 passing through heat absorption
To realize the refrigeration in the cold dry case 60.Torus 50 realizes liquid nitrogen the gaseous nitrogen of discharge is converted into liquid nitrogen
Recycling.The vacuum equipment 40 is to the vacuum pumping of liquid nitrogen refrigerator 100, discharge liquid nitrogen refrigerator 100
In gas pipeline and each equipment air so that liquid nitrogen refrigerator 100 freezes under the conditions of pure liquid nitrogen, so as to realize
The fast-refrigerating of liquid nitrogen refrigerator 100, reduce Polarizer removes man-hour, it is possibility to have helps the performance of liquid nitrogen refrigerator 100
Safeguard.
Specifically, in the cold dry case 60 of the liquid nitrogen refrigerator 100 be provided with it is multiple can pull bracket 61, the bracket 61
Between mutual spaced set, and arranged layer by layer between the bracket 61.The side of cold dry case 60 corresponding to the both sides of bracket 61
Wall is provided with slide rail, and bracket both sides are provided with four rolling, and in the slide rail slidably.So as to realize the unlatching of bracket 61 with
Closure.In other embodiments, the quantity of roller can be according to actual conditions flexible design.In the present embodiment, each bracket 61
The side of corresponding cold dry case 60 is provided with a chamber door.Each chamber door is provided with a handle, handle be advantageous to staff open and
Close bracket 61.When the handle on the chamber door pulled corresponding to bracket 61, bracket 61 can remove cold under the drive of roller
The outside of dry case 60, and the glass substrate for being stained with Polarizer is extracted using mechanical arm, easily glass substrate can be placed
In on bracket 61.Bracket 61 is made up of smooth stainless steel material, avoids bracket scratch or pollutes the surface of glass substrate.
In other embodiment, bracket 61 can also be made up of other materials, such as aluminium alloy, electrolytic zinc-coated steel sheet or hot-galvanized steel etc., root
According to actual conditions flexible design.
Start liquid nitrogen refrigerator 100.The liquid nitrogen refrigerator 100 presets a preset temperature and pre-set constant temperature time.This reality
Apply in example, preset temperature range is -100 DEG C~-176 DEG C, and pre-set constant temperature time range is 4~8 minutes.In other embodiment
In, preset temperature and pre-set constant temperature time can flexibly be set in other scopes according to actual conditions.This process, liquid nitrogen refrigerating
The preset temperature of machine 100 is -150 DEG C, and the pre-set constant temperature time is 5 minutes.Pass through gas pipeline with cold dry case 60 and heat exchanger 30
The vacuum equipment 40 of connection is brought into operation, and vacuum pumping is carried out to liquid nitrogen refrigerator 100.In the present embodiment, liquid nitrogen refrigerator
Pressure range in 100 is 10-4Pa~10-5Pa, in other embodiment, the pressure in liquid nitrogen refrigerator 100 can also be it
His scope.This process, when the pressure in liquid nitrogen refrigerator 100 is 10-4During Pa, liquid nitrogen refrigerator 100 starts to freeze.Liquid nitrogen storage tank
10 valve is opened, and is flowed out doped with the liquid nitrogen of gaseous nitrogen from liquid nitrogen storage tank 10 and is entered gas-liquid separator by gas pipeline
20, gaseous nitrogen and liquid nitrogen are separated from each other by gas-liquid separator 20.Pass through first between gas-liquid separator 20 and heat exchanger 30
Passage 71 connects with second channel 72.First passage 71 is used to the gaseous nitrogen of separation being converted into liquid nitrogen and inflow heat exchanger
30.The liquid nitrogen that second channel 72 is used to isolate all flows into the heat exchanger 30.Pass through first passage 71 and second
Passage 72 is separately connected to the heat exchanger 30 so that inflow heat exchanger 30 is whole liquid nitrogen, so contributes to carry
The operating efficiency of the high absorption refrigeration of liquid nitrogen refrigerator 100, reduce the cooling time of liquid nitrogen refrigerator 100, removed partially so as to reduce
The man-hour of tabula rasa.
After liquid nitrogen inflow heat exchanger 30, heat exchanger 30 starts to carry out cold dry case 60 by liquid nitrogen absorption refrigeration
Cooling.The temperature of cold dry case 60 gradually reduces, and starts to keep constant temperature reaching -150 DEG C of preset temperature.During by pre-set constant temperature
Between after 5 minutes, the glue characteristic of Polarizer and glass substrate starts to fail so that Polarizer separates with glass substrate.This reality
Apply in example, heat exchanger 30 includes exhaust outlet 31, and exhaust outlet 31 is interconnected by gas pipeline and torus 50.Exhaust outlet 31
Provided with valve (not shown), valve can realize that automation is opened and light closes.Turn after the liquid nitrogen in heat exchanger 30 absorbs heat
Gaseous nitrogen is changed to, the valve of exhaust outlet 31 is opened, and gaseous nitrogen flows into torus 50 by exhaust outlet 31.Torus 50 houses described
Gaseous nitrogen is simultaneously converted into liquid nitrogen, recovering liquid nitrogen by gaseous nitrogen so that liquid nitrogen can recycle.By exhaust outlet 31 with
Torus 50 can cause liquid nitrogen to reuse, so as to reduce the waste of material.When after constant temperature time 5 minutes, liquid nitrogen
The liquid nitrogen of storage tank 10 stops supply, and liquid nitrogen refrigerator 100 controls the temperature of cold dry case 60 to gradually rise.When the temperature of cold dry case 60
Degree is warmed to room temperature, and closes liquid nitrogen refrigerator 100.The chamber door of cold dry case 60 is opened, recycles manipulator to take out glass substrate, and hand
It is dynamic simply to remove the Polarizer separated with glass substrate.The Polarizer method that removes can cause the surface of glass substrate
Cull is not present after Polarizer is removed, and Polarizer is less likely to occur to rupture or cracked.
The embodiment of the present invention, by the way that the Polarizer for being pasted on existing defects on glass substrate is placed in into liquid nitrogen refrigerator 100
In, and reach preset temperature using the liquid nitrogen absorption refrigeration principle control internal temperature of liquid nitrogen refrigerator 100.In pre-set constant temperature
In, the glue characteristic between Polarizer and glass substrate fully fails.The glass substrate is taken out by manipulator, then simply
Remove the Polarizer being separated from each other with glass substrate manually.The easy and quick Polarizer removes method and enabled to
Cull is not present in glass substrate after Polarizer is removed, so as to improve the heavy industry yield of glass substrate and reduce human cost
Input.
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, can easily expect various equivalent modifications or
Replace, these modifications or substitutions should be all included within the scope of the present invention.Therefore, protection scope of the present invention Ying Yiquan
The protection domain that profit requires is defined.
Claims (10)
1. a kind of Polarizer removes method, it is characterised in that including：
A kind of refrigeration plant, and a default preset temperature and pre-set constant temperature time are provided；
The Polarizer being pasted on glass substrate is positioned in the refrigeration plant, starts the refrigerating device refrigeration, it is described
Refrigeration plant reaches the preset temperature；
The glass substrate is cooled down in the preset temperature and in the pre-set constant temperature time；
Take out the glass substrate and remove the Polarizer on the glass substrate.
2. Polarizer according to claim 1 removes method, it is characterised in that the step of starting the refrigerating device refrigeration
In, including：Pressure vacuum pumping is carried out to the refrigeration plant.
3. Polarizer according to claim 2 removes method, it is characterised in that the glass substrate is in the preset temperature
And in the step of being cooled down in the pre-set constant temperature time, including：After the pre-set constant temperature time, the refrigeration plant
It is warming up to normal temperature and closes the refrigeration plant.
4. Polarizer according to claim 1 removes method, it is characterised in that provides a kind of refrigeration plant, and default one
Preset temperature and pre-set constant temperature time, including the preset temperature range are -100 DEG C~-176 DEG C, the model of pre-set constant temperature time
Enclose for 4~8 minutes.
5. the Polarizer according to claim any one of 1-4 removes method, it is characterised in that the refrigeration plant is liquid nitrogen
Refrigeration machine；The liquid nitrogen refrigerator is included to provide the liquid nitrogen storage tank of liquid nitrogen, and gas-liquid separator, heat exchanger, vacuum are set
It is standby and for carrying the cold dry case of the glass substrate；The liquid nitrogen storage tank, gas-liquid separator, heat exchanger and cold dry case are successively
It is interconnected；The vacuum equipment connects with the cold dry case with heat exchanger respectively；The gas-liquid separator separates liquid nitrogen
In the gaseous nitrogen that contains；The heat exchanger realizes the refrigeration in the cold dry case by absorbing heat；The vacuum equipment to
The liquid nitrogen refrigerator is vacuumized.
6. Polarizer according to claim 5 removes method, it is characterised in that in the cold dry case be provided with it is multiple can pull
Bracket, mutual spaced set between the bracket.
7. Polarizer according to claim 6 removes method, it is characterised in that the cold dry case is provided with handle.
8. Polarizer according to claim 5 removes method, it is characterised in that the heat exchanger includes exhaust outlet, uses
In discharge gaseous nitrogen.
9. Polarizer according to claim 8 removes method, it is characterised in that the refrigeration plant is described including being communicated in
The torus of exhaust outlet；Gaseous nitrogen is converted into by the torus to house the gaseous nitrogen discharged by the heat exchanger
Liquid nitrogen.
10. Polarizer according to claim 5 removes method, it is characterised in that the gas-liquid separator is handed over the heat
Connected between parallel operation by first passage with second channel；The first passage is used to the gaseous nitrogen after separation being converted into liquid
Nitrogen simultaneously makes liquid nitrogen flow into the heat exchanger；The second channel is used to make the liquid nitrogen after separation flow into the heat exchange
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020270.9A CN107728347A (en) | 2017-10-25 | 2017-10-25 | A kind of Polarizer removes method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020270.9A CN107728347A (en) | 2017-10-25 | 2017-10-25 | A kind of Polarizer removes method |
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| CN107728347A true CN107728347A (en) | 2018-02-23 |
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| CN201711020270.9A Pending CN107728347A (en) | 2017-10-25 | 2017-10-25 | A kind of Polarizer removes method |
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