CN106970480A - A kind of production process of flexible liquid crystal display - Google Patents
A kind of production process of flexible liquid crystal display Download PDFInfo
- Publication number
- CN106970480A CN106970480A CN201710245243.5A CN201710245243A CN106970480A CN 106970480 A CN106970480 A CN 106970480A CN 201710245243 A CN201710245243 A CN 201710245243A CN 106970480 A CN106970480 A CN 106970480A
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- CN
- China
- Prior art keywords
- multilayer board
- parent metal
- flexible
- flexible parent
- liquid crystal
- Prior art date
- 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
-
- 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
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Abstract
A kind of production process of flexible liquid crystal display, including cutting flexible parent metal coiled strip, flexible parent metal are fixed using localization tool, the surrounding of the localization tool is flagged with sticking area；Sticking area on correspondence localization tool is pasted with Double-face gummed paper in the surrounding of flexible parent metal, and corresponding be attached on flexible parent metal of glass substrate is formed into multilayer board；Heating pressurized treatments are carried out to multilayer board using heat pressing utensil；Multilayer board by heating pressurized treatments is placed on glue backboard, multilayer board is transported on LCD production lines；The multilayer board being contained on glue backboard is subjected to plated film, cleaning and roasting procedure on LCD production lines.The present invention is pasted between flexible parent metal and glass substrate by Double-face gummed paper, multilayer board is handled by the temperature-pressure of heat pressing utensil, so that the bonding force increase of Double-face gummed paper, prevent flexible parent metal from departing from glass substrate in processing way, flexible parent metal can also be put into production on common LCD production lines.
Description
Technical field
Field is manufactured the present invention relates to display, and in particular to a kind of flexibility suitable on common LCD production lines
The production process of liquid crystal display.
Background technology
With the continuous renewal of Display Technique, LCD products increasingly to it is light, thin, can flexing deformation etc. field develop, LCD
Material is produced and processed due to using glass substrate, can not again toward lighter, it is thinner or can flexing direction develop, now industry
A kind of new material is just developed to substitute glass material, plastic basis material.Flexible display is due to material flexibility, production and processing
(volume to volume) the roll-to-roll production equipments production of investment specialty is accomplished by, can so cause cost to increase, in addition city
Field market are very big for investing this kind of equipment Risk.And be substantially on LCD production lines for hard glass, in LCD lifes
In producing line, by roller transmission transport hard glass, hard glass is then placed in the gap of roller, because hard glass has
Certain rigidity, then will not occur bending and deformation in transportation.But the flexible parent metal flexibility such as plastics, common
Flexible parent metal can be easily bent deformation in roller gap transportation on LCD production lines, cause flexible parent metal not keep
Formation state, directly affecting production work can not be carried out.Further, to the making of glass being needed by acidity on LCD production lines
The processes such as etching, caustic dip and high-temperature baking, can if with the addition of the resistant to elevated temperatures material of non-acid-fast alkali-proof on LCD production lines
The quality of flexible liquid crystal display is influenceed, also resulting in production line can not normally run, influence production process, drag slow production effect
Rate.
Disclose method flexible glass being fitted on hard support plate in the prior art, such as application documents are " a kind of
The preparation method of flexible glass " (publication No. is CN105271790A), discloses a kind of flexible glass on gold-tinted production line
Flexible glass preparation method, flexible glass is fitted on hard support plate, overcomes the shortcoming of the flexible deformation of flexible glass,
Flexible glass can also be produced on common gold-tinted production line；And be using vacuum suction mode, surface parent in this application
Flexible glass is fitted on hard support plate with power suction type or adhesive means, and needed in process of production through overshoot
Wash, the process such as acid and alkali corrosion is, it is necessary to carry out the processes such as high pressure washing, soda acid immersion to laminated member, if using vacuum suction side
Formula laminating glass, glass laminated marginal position can participate in air under the larger flushing of hydraulic pressure, destroy true in glass laminated
Altitude, causes flexible glass to come off；If flexible using surface affinity suction type come sticking flexible glass and hard support plate
Glass and hard support plate soak in soda acid and easily change the environmental condition required for affinity is adsorbed under high-temperature baking, cause suction
Attached power reduction, bonding effect is poor；And specific adhesive means are not disclosed in this application, if being glued by common gummed paper,
High temperature resistant, the less effective of acid-fast alkali-proof are pasted, therefore how to allow gummed paper to improve the bonding of gummed paper in the case of acid, alkali, high temperature
Power is in the prior art there is still a need for continuing the technology researched and developed.
The content of the invention
In view of the shortcomings of the prior art, the purpose of the present invention aims to provide gummed paper bonding force between a kind of increase multilayer board
, on common LCD production lines production flexibility liquid crystal display production process.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of production process of flexible liquid crystal display, including
Step 1：Flexible parent metal coiled strip is cut, flexible parent metal is fixed using localization tool, the localization tool
Surrounding is flagged with sticking area；
Step 2：Sticking area on correspondence localization tool is pasted with Double-face gummed paper in the surrounding of flexible parent metal, and by glass
Substrate correspondence, which is attached on flexible parent metal, forms multilayer board；
Step 3：Heating pressurized treatments are carried out to multilayer board using heat pressing utensil；
Step 4：Multilayer board by heating pressurized treatments is placed on glue backboard, multilayer board is transported into LCD
On production line；
Step 5：The multilayer board being contained on glue backboard is subjected to plated film, cleaning and roasting procedure on LCD production lines.
As a kind of optimization of the present invention, the flexible parent metal specification after being cut in step 1 is less than or equal to glass base
The specification of plate, it is ensured that glass substrate can support flexible parent metal completely, allows flexible parent metal not occur in process of production curved
Song deformation.
As a kind of optimization of the present invention, the Double-face gummed paper thickness described in step 2 is set to below 0.12mm, and size is big
Small is 10mm*8mm；Double-face gummed paper is controlled to paste during the surrounding sticking two-faced adhesive tape paper of flexible parent metal in the step 2
In the range of ± the 0.2mm of sticking area；The fixation of sticking area accelerates heating pressurized treatments of the later stage to multilayer board, section
Save prover time.
As a kind of optimization of the present invention, the heat pressing utensil includes cylinder, increased pressure board, fixed station and heater, institute
State fixed station middle position and offer localization region, for fixing multilayer board；The cylinder is connected with increased pressure board, and cylinder is promoted
Increased pressure board is moved downward, and heating pressurized treatments are carried out to multilayer board；The increased pressure board bottom surrounding position is provided with briquetting,
The installation site of briquetting is corresponding with the sticking area of flexible parent metal；The fixed station is arranged on the underface of increased pressure board；It is described
Heater includes electric hot plate, and the electric hot plate quantity is set to four pieces, and four blocks of electric hot plates are installed on fixed station, electric hot plate
The underface of briquetting is respectively at, it is corresponding with briquetting position；Electric hot plate drives briquetting to push, to the layer immediately below briquetting
Double-face gummed paper in laminated substrate carries out the bonding force between heating pressurized treatments, increase multilayer board.
As a kind of optimization of the present invention, the heater also includes temperature controller, and the temperature controller is installed
In fixed station side, the temperature controller is used to control electric plate temperature, and the range of temperature of electric hot plate is set to 0~
150 DEG C, the Double-face gummed paper of different-thickness, its heating-up temperature is different, and the thickness of different flexible parent metals is different, and its heating-up temperature is not yet
Together, electric plate temperature is adjusted according to actual conditions.
As a kind of optimization of the present invention, the heat pressing utensil also includes control device, when the control device includes
Between controller and pressure regulator, the time controller and cylinders lead to, the time for controlling cylinder operation；The pressure regulator
Logical with cylinders, pressure regulator control inner pressure of air cylinder size, pressure range is set to 0~5kpa, pair of different-thickness
Face gummed paper, its moulding pressure is different, and the thickness of different flexible parent metals is different, and its moulding pressure is also different, is adjusted according to actual conditions
Pressure size in whole cylinder.
As a kind of optimization of the present invention, the glue backboard in the step 4 is set to be coated with the glass of polytetrafluoroethylene (PTFE)
Fabric, being coated with the glass fabric of polytetrafluoroethylene (PTFE) has high temperature resistant, the effect of acid-fast alkali-proof, using glue backboard come
Hold multilayer board, it is to avoid the glue backboard for holding multilayer board is damaged by acid and alkali corrosion in process.
As a kind of optimization of the present invention, the matting includes multilayer board being immersed in clear water, clear water water temperature
Control is between 45 DEG C~55 DEG C, and soak time is set to 6min, and the impurity on multilayer board is cleaned up.
As a kind of optimization of the present invention, the roasting procedure includes the multilayer board Jing Guo matting being put into baking oven
Interior drying, oven temperature is set to 60 DEG C~95 DEG C, and set of time is 30min~120min, it is therefore an objective to removed in multilayer board
Steam.
The beneficial effects of the present invention are：
1) pasted between flexible parent metal and glass substrate by Double-face gummed paper, flexible parent metal is attached to glass base
On plate, with glass substrate one entirety of formation, flexible parent metal can be allowed also to be put into production on common LCD production lines.
2) Double-face gummed paper has high temperature resistant, acid-fast alkali-proof characteristic, can be with flexible parent metal by acid solution etching, caustic dip
Do not fallen out during with high-temperature baking.
3) multilayer board is handled by the temperature-pressure of heat pressing utensil so that the bonding force increase of Double-face gummed paper, prevents soft
Property base material and glass substrate depart from processing way.
4) impurity that addition cleaning, roasting procedure are cleaned on multilayer board, allows the multilayer board for completing to paste to resume production
State.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the invention；
Fig. 2 is the structural representation of heat pressing utensil of the present invention.
Reference：1st, cylinder；2nd, increased pressure board；3rd, briquetting；4th, fixed station；5th, localization region；6th, time controller；7th, adjust
Depressor；8th, electric hot plate；9th, temperature controller.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
As shown in figure 1, a kind of production process of flexible liquid crystal display, including
Step 1：Flexible parent metal coiled strip is cut, flexible parent metal is fixed using localization tool, the localization tool
Surrounding is flagged with sticking area.Flexible parent metal specification after cutting is less than or equal to the specification of glass substrate, it is ensured that
Glass substrate can support flexible parent metal completely, allow flexible parent metal not occur bending and deformation in process of production；Localization tool is set
Trough body structure is set to, localization tool is flagged with sticking area in bottom surface according to flexible parent metal size, and sticking area is distributed in bottom surface
Surrounding；Flexible parent metal is placed in localization tool after flexible parent metal coiled strip is cut, because flexible parent metal has one
Fixed transparency, the position of the sticking area on localization tool can be clearly seen through flexible parent metal, be easy to paste area in correspondence
Double-face gummed paper is pasted on the flexible parent metal in domain.
Step 2：Sticking area on correspondence localization tool is pasted with Double-face gummed paper in the surrounding of flexible parent metal, and by glass
Substrate correspondence, which is attached on flexible parent metal, forms multilayer board.Described Double-face gummed paper uses 3M gummed papers, and double thickness is set to
Below 0.12mm, if Double-face gummed paper thickness is blocked up to increase the space between multilayer board, increases the broken wind of multilayer board
Danger, Double-face gummed paper is excessively thin to cause bonding force not enough, therefore Double-face gummed paper thickness is set as 0.1mm or so in the present embodiment；
The size of Double-face gummed paper is set to 10mm*8mm, oversized that Double-face gummed paper is caused to waste, while adding unloading glue
The difficulty of paper, undersized then bonding force is inadequate；And controlled during the surrounding sticking two-faced adhesive tape paper of flexible parent metal two-sided
Gummed paper is pasted onto in the range of ± the 0.2mm of sticking area, because later-stage utilization heat pressing utensil carries out heating pressurization to multilayer board
Process is directly to be directed at the Double-face gummed paper being attached on sticking area to be handled, if the paste position of Double-face gummed paper occurs significantly
Deviation, then can influence hot pressing effect, therefore the fixation of sticking area and the control of stickup deviation accelerate the later stage to multilayer board
Heating pressurized treatments, save prover time.
Step 3：Heating pressurized treatments are carried out to multilayer board using heat pressing utensil.
As shown in Fig. 2 the heat pressing utensil includes cylinder 1, increased pressure board 2, fixed station 4 and heater, the fixed station 4
Middle position offers localization region 5, for fixing multilayer board；The cylinder 1 is connected with increased pressure board 2, and cylinder 1 promotes pressurization
Plate 2 is moved downward, and heating pressurized treatments are carried out to multilayer board；The bottom surrounding position of increased pressure board 2 is provided with briquetting 3,
The installation site of briquetting 3 is corresponding with sticking area on flexible parent metal, Double-face gummed paper in alignment stack substrate when briquetting 3 is pressed downward
Position, to Double-face gummed paper carry out temperature-pressure processing.The fixed station 4 is arranged on the underface of increased pressure board 2；The heating dress
Put including electric hot plate 8, the quantity of electric hot plate 8 is set to four pieces, and four blocks of electric hot plates 8 are installed in the localization region 5 of fixed station 4
Interior, the installation site of electric hot plate 8 is corresponding with the sticking area of Double-face gummed paper, four electric hot plates 8 be respectively at briquetting 3 just under
Side, it is corresponding with the position of briquetting 3；Electric hot plate 8 drives briquetting 3 to push, to two-sided in the multilayer board immediately below briquetting 3
Gummed paper carries out the bonding force between heating pressurized treatments, increase multilayer board.The installation site of the briquetting 3, Double-face gummed paper it is viscous
The installation site of patch region and electric hot plate 8 is respectively positioned on same vertical plane.The heater also includes temperature controller 9, institute
Temperature controller 9 is stated installed in the side of fixed station 4, the temperature controller 9 is used to control the temperature of electric hot plate 8, the temperature of electric hot plate 8
Degree excursion is set to 0~150 DEG C, and the Double-face gummed paper of different-thickness, its heating-up temperature is different, the thickness of different flexible parent metals
Difference, its heating-up temperature is also different, and the temperature of electric hot plate 8 is adjusted according to actual conditions.The heat pressing utensil also includes control dress
Put, the control device includes time controller 6 and pressure regulator 7, and the time controller 6 is connected with cylinder 1, for controlling
The time that cylinder 1 works；The pressure regulator 7 is connected with cylinder 1, pressure size, pressure change in the control cylinder 1 of pressure regulator 7
Scope is set to 0~5kpa, and the Double-face gummed paper of different-thickness, its moulding pressure is different, and the thickness of different flexible parent metals is different, its
Moulding pressure is also different, and the pressure size in cylinder 1 is adjusted according to actual conditions；And the working condition in the present embodiment is set to
0.2Kpa*120℃*2min。
Step 4：Multilayer board by heating pressurized treatments is placed on glue backboard, multilayer board is transported into LCD
On production line；Glue backboard in the step 4 is set to be coated with the glass fabric of polytetrafluoroethylene (PTFE), is coated with polytetrafluoro
The glass fabric of ethene has high temperature resistant, the effect of acid-fast alkali-proof, is coated with the glass fabric tool of polytetrafluoroethylene (PTFE)
There is certain hardness, can be used to hold multilayer board；Multilayer board is held using glue backboard, it is to avoid for holding multilayer board
Glue backboard damaged in process by acid and alkali corrosion.
Step 5：The multilayer board being contained on glue backboard is subjected to plated film, cleaning and roasting procedure on LCD production lines.
The matting includes multilayer board being immersed in clear water, and clear water water temperature is controlled between 45 DEG C~55 DEG C, soak time
It is set to clear water water temperature in 6min, the present embodiment and is set as 50 DEG C, for the impurity on multilayer board to be cleaned up.It is described to dry
Roasting process includes the multilayer board Jing Guo matting being put into drying in oven, and oven temperature is set to 60 DEG C~95 DEG C, when
Between be set to the oven temperature set in 30min~120min, the present embodiment as 70 DEG C, the time is 70min, it is therefore an objective to remove layer
Steam in laminated substrate.
After laminating process of the early stage to multilayer board, continue multilayer board passing through LCD production lines, to multilayer board
The processes such as photoresist, exposure, development, etching are coated, finally multilayer board are split, by flexible base board from glass substrate
Unloading is got off.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. a kind of production process of flexible liquid crystal display, it is characterised in that including
Step 1：Flexible parent metal coiled strip is cut, flexible parent metal is fixed using localization tool, the surrounding of the localization tool
It is flagged with sticking area；
Step 2：Sticking area on correspondence localization tool is pasted with Double-face gummed paper in the surrounding of flexible parent metal, and by glass substrate
Correspondence, which is attached on flexible parent metal, forms multilayer board；
Step 3：Heating pressurized treatments are carried out to multilayer board using heat pressing utensil；
Step 4：Multilayer board by heating pressurized treatments is placed on glue backboard, multilayer board is transported into LCD productions
On line；
Step 5：The multilayer board being contained on glue backboard is subjected to plated film, cleaning and roasting procedure on LCD production lines.
2. the production process of flexible liquid crystal display according to claim 1, it is characterised in that cut in step 1
Flexible parent metal specification afterwards is less than or equal to the specification of glass substrate.
3. the production process of flexible liquid crystal display according to claim 1, it is characterised in that described in step 2
Double-face gummed paper thickness be set to below 0.12mm, size is 10mm*8mm；In the surrounding of flexible parent metal in the step 2
Double-face gummed paper is controlled to be pasted onto in the range of ± the 0.2mm of sticking area during sticking two-faced adhesive tape paper.
4. the production process of flexible liquid crystal display according to claim 1, it is characterised in that the heat pressing utensil
Including cylinder, increased pressure board, fixed station and heater, the fixed station middle position offers localization region, for fixed bed
Laminated substrate；The cylinder is connected with increased pressure board, and cylinder promotes increased pressure board to move downward, and multilayer board is carried out at heating pressurization
Reason；The increased pressure board bottom surrounding position is provided with briquetting, and the installation site of briquetting is relative with the sticking area of flexible parent metal
Should；The fixed station is arranged on the underface of increased pressure board；The heater includes electric hot plate, and the electric hot plate quantity is set to
Four pieces, four blocks of electric hot plates are installed on fixed station, and electric hot plate is respectively at the underface of briquetting, corresponding with briquetting position.
5. the production process of flexible liquid crystal display according to claim 4, it is characterised in that the heater
Also include temperature controller, the temperature controller is arranged on fixed station side, and the temperature controller is used to control electric hot plate
Temperature, the range of temperature of electric hot plate is set to 0~150 DEG C.
6. the production process of flexible liquid crystal display according to claim 4, it is characterised in that the heat pressing utensil
Also include control device, the control device includes time controller and pressure regulator, the time controller and cylinders
It is logical, the time for controlling cylinder operation；The pressure regulator leads to cylinders, pressure regulator control inner pressure of air cylinder size, pressure
Power excursion is set to 0~5kpa.
7. the production process of flexible liquid crystal display according to claim 1, it is characterised in that in the step 4
Glue backboard be set to be coated with the glass fabric of polytetrafluoroethylene (PTFE).
8. the production process of flexible liquid crystal display according to claim 1, it is characterised in that the matting
Including multilayer board is immersed in clear water, clear water water temperature is controlled between 45 DEG C~55 DEG C, and soak time is set to 6min.
9. the production process of flexible liquid crystal display according to claim 1, it is characterised in that the roasting procedure
Including the multilayer board Jing Guo matting is put into drying in oven, oven temperature be set to 60 DEG C~95 DEG C, set of time
For 30min~120min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710245243.5A CN106970480A (en) | 2017-04-14 | 2017-04-14 | A kind of production process of flexible liquid crystal display |
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| CN201710245243.5A CN106970480A (en) | 2017-04-14 | 2017-04-14 | A kind of production process of flexible liquid crystal display |
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| CN106970480A true CN106970480A (en) | 2017-07-21 |
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| WO2020192150A1 (en) * | 2019-03-22 | 2020-10-01 | 湖南飞优特电子科技有限公司 | Process for manufacturing flexible lcd |
| CN112051679A (en) * | 2020-10-15 | 2020-12-08 | 深圳市金晓时代科技有限公司 | Liquid crystal display screen manufacturing equipment and manufacturing process thereof |
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Application publication date: 20170721 |
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