CN106739402B - Membrane material attaching method - Google Patents
Membrane material attaching method Download PDFInfo
- Publication number
- CN106739402B CN106739402B CN201611080375.9A CN201611080375A CN106739402B CN 106739402 B CN106739402 B CN 106739402B CN 201611080375 A CN201611080375 A CN 201611080375A CN 106739402 B CN106739402 B CN 106739402B
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- China
- Prior art keywords
- membrane material
- metal gasket
- backing
- attaching
- roller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/208—Touch screens
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of membrane material attaching method, before attaching roller and being rolled, one metal gasket is placed on backing in the side of membrane material, after being pressed downwardly onto attaching roller on metal gasket, roll attaching roller to the membrane material far from the other side of metal gasket since on metal gasket, compared with the method directly rolled in membrane material in the edge of membrane material pushing attaching roller in the prior art, avoid the formation for leading to linear bubble because generating instantaneous pressure in the edge of membrane material, therefore it is bad that the bubble attached in processing procedure can be effectively reduced, improve the attaching yield of membrane material, and method is simple and easy, it can reduce and attach production cost shared by processing procedure.
Description
Technical field
The present invention relates to display device manufacturing field more particularly to a kind of membrane material attaching methods.
Background technique
With the development that is constantly progressive of display technology, full coating technique is widely used in touch display screen production,
It needs to show cover board (Cover Glass) and LCD by Optical transparent adhesive (Optically Clear Adhesive, OCA)
The vertical fitting of mould group (LCD Module, LCM) group.Wherein, OCA is that optics acrylic glue is made into no substrate, then in upper bottom
Layer, then respectively one layer of release film of fitting, are a kind of two-sided fitting adhesive tapes of no basis material, there is colorless and transparent, light transmission rate to exist
90% or more, the features such as cementing strength is good is the extraordinary mucilage materials for cementing transparent optical element (such as camera lens), is
One of important raw material of touch display screen.
Existing full coating technique includes that soft patch is hard and paste hard two procedures firmly, wherein the soft hard process of patch essentially consist in by
OCA and cover board carry out visual-alignment, and when determining that OCA and cover board have been aligned, OCA and cover board are bonded；Hard patch
Hard process, which is essentially consisted in, carries out visual-alignment for the cover board of LCM and attachment glue surface, is determining LCM and is adhering to the cover board of glue surface
When contraposition, LCM is bonded with the cover board of attachment glue surface, to form display unit.At present in full coating technique, bubble is not
Good is that one kind is most common bad, especially in the soft hard process of patch, often will appear linear bubble not in the attaching starting point of OCA
It is good.This is because attaching in processing procedure in existing membrane material, roller (Roller) and plane base station phase interworking are attached frequently with cylinder
The mode of conjunction carries out the attaching of membrane material：It attaches roller to be rolled in membrane material, make at this time in the extruding for attaching roller and plane base station
Under, membrane material is tightly bonded together with backing, but in the place for attaching roller starting and squeezing, because of the generation of instantaneous pressure,
Edge close to membrane material is just readily formed a kind of linear bubble.
As shown in Figure 1, being pasted in hard process soft, the mistake attached by the way of attaching roller rolling to Optical transparent adhesive
Journey specifically, using attach roller 100 rolled since the attaching starting point of Optical transparent adhesive 200, exclude Optical transparent adhesive 200 with
Air between cover board 300 is to the end of Optical transparent adhesive 200, wherein as Figure 2-3, due to attaching roller 100 to optical lens
200 pressure applied of gelatin is controlled by cylinder, the moment contacted with Optical transparent adhesive 200 is pushed attaching roller 100, in light
Learn transparent adhesive tape 200 on generate an instantaneous pressure, then will the attaching starting point of Optical transparent adhesive 200 leave one it is linear
Bubble 250.So when linear bubble 250 appears in 310 inside of display area of cover board 300, the subsequent cover board 300 with
The vertical fitting of LCM group and after forming display panel, it will make to show occur a linear striped on picture.Due to this linear bubble
250 will affect the touch-control effect of display effect and touch control display, and most of production firms cannot receive this badness.This
One problem has been one of the persistent ailment in display panel manufacturing field, and one of the problem that manufacturer is faced in the industry.
In face of this problem, the common practice of the prior art be by increase the means such as non-display area of panel make it is linear
Bubble carries out deaeration processing for such bubble far from display area, while as much as possible, but existing defoaming method is all very
Difficulty is effectively removed such bubble.Although above-mentioned way can reduce linear bubble to display effect and touch-control to a certain extent
The influence of effect, but its treatment effect is extremely limited, while can inevitably be increased and be attached production cost shared by processing procedure,
And there is detrimental effect to the narrow frame of display device.
Summary of the invention
The purpose of the present invention is to provide a kind of membrane material attaching methods, can efficiently solve and be easy in attaching processing procedure in film
Material edge leads to the problem of linear bubble.
To achieve the above object, the present invention provides a kind of membrane material attaching method, includes the following steps：
Step 1 provides membrane material and backing, and the membrane material has adhesion coating, by the adhesion coating of membrane material towards membrane material to be attached
Backing, and aligned；
Step 2 provides attaching roller and metal gasket, and metal gasket is placed on backing in the side of the membrane material, is made
Attach roller be pressed downwardly on metal gasket, then, make attach roller since on metal gasket to the membrane material far from metal gasket
Another side roll and be downwardly applied to pressure, even if attach roller rolled so that membrane material fits on backing.
The material of the metal gasket is stainless steel.
The thickness of the metal gasket is identical as the thickness of the membrane material.
In the step 2, the rolling track face for attaching roller covers the membrane material.
The membrane material is rectangle, and in the step 2, the rotating direction for attaching roller is the length direction of the membrane material,
The length for attaching roller is greater than the width of the membrane material.
In the step 2, after the metal gasket is placed on backing, the metal gasket is in the membrane material and its phase
Length on the extending direction of adjacent a side, not less than the length of the side.
In the step 2, after the metal gasket is placed on backing, the metal gasket is in contact with the membrane material
Connection.
Plane base station is also provided in the step 1, the backing is placed on plane base station.
The membrane material attaching method be applied to full coating technique the hard process of soft patch in, the membrane material be pasted with weight from
The Optical transparent adhesive of type film, adhesion coating are Optical transparent adhesive, and the backing is the cover board of display.
The backing has display area and in the ink area of display area periphery, the step 1, is aligned
Afterwards, the display area of backing is completely covered in the membrane material.
Beneficial effects of the present invention：The present invention provides a kind of membrane material attaching methods, before attaching roller and being rolled,
One metal gasket is placed on backing by the side of membrane material, and attaching roller is made to be pressed downwardly on metal gasket and then make to attach roller
It is rolled to the membrane material far from the other side of metal gasket since on metal gasket, thus in the rolling process for attaching roller
In, so that attaching roller is rolled since on the metal gasket of membrane material side, with existing skill in the rolling process for attaching roller
The method for attaching roller and directly being rolled in membrane material is pushed in the edge of membrane material in art to compare, and is avoided because in membrane material
Edge generates instantaneous pressure and leads to the formation of linear bubble, therefore it is bad to can be effectively reduced the bubble attached in processing procedure,
The attaching yield of membrane material is improved, and method is simple and easy, can reduce and attach production cost shared by processing procedure.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is to be overlooked in the hard process of soft patch of existing full coating technique using the device attached when roller carries out membrane material attaching
Figure；
Fig. 2 be existing full coating technique the hard process of soft patch in make above the attaching starting point of membrane material attach roller push with
The schematic diagram of membrane material contact；
Fig. 3 is to form the schematic diagram of linear bubble in the edge of membrane material in the hard process of soft patch of existing full coating technique；
Fig. 4 is the flow diagram of membrane material attaching method of the invention；
Fig. 5 is the schematic diagram of the step 2 of membrane material attaching method of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 4, the present invention provides a kind of membrane material attaching method, including：
Step 1, provide membrane material 10, with backing 20, the membrane material 10 have adhesion coating, by the adhesion coating of membrane material 10 towards to
The backing 20 of membrane material is attached, and is aligned；
Specifically, it is also provided in the step 1 plane base station (not shown), the backing 20 is placed on plane base station.
Step 2 attaches roller 30 and metal gasket 40 as shown in figure 5, providing, in the side of the membrane material 10 by metal gasket
Piece 40 is placed on backing 20, is pressed downwardly onto attaching roller 30 on metal gasket 40, then, makes to attach roller 30 from metal gasket 40
On start another side roll to the membrane material 10 far from metal gasket 40 and be downwardly applied to pressure, rolled even if attaching roller 30
It presses so that membrane material 10 fits on backing 20, so that attaching roller 30 is from 10 side of membrane material in the rolling process for attaching roller 30
Metal gasket 40 on start rolling, avoid because the edge of membrane material 10 generate instantaneous pressure due to lead to linear bubble
It is formed, therefore can effectively improve the attaching yield of membrane material 10, and method is simple and easy.
Specifically, the material of the metal gasket 40 is stainless steel.
Specifically, the thickness of the metal gasket 40 is identical as the thickness of the membrane material 10.
Specifically, in the step 2, the rolling track face for attaching roller 30 covers the membrane material 10.
Specifically, the membrane material 10 is rectangle, and in the step 2, the rotating direction for attaching roller 30 is the membrane material
10 length direction, the length for attaching roller 30 are greater than the width of the membrane material 10.
Specifically, in the step 2, after the metal gasket 40 is placed on backing 20, the metal gasket 40 exists
Length on the extending direction of the membrane material 10 a side adjacent thereto, not less than the length of the side.
Specifically, in the step 2, after the metal gasket 40 is placed on backing 20, the metal gasket 40 with
The membrane material 10 is in contact connection.
Specifically, membrane material attaching method of the invention is applied in the hard process of soft patch of full coating technique, in general, optical lens
The gelatin two sides (OCA) have protective film to prevent colloidal materials from failing, such as light release film and weight release film, in the soft hard process of patch
In, it removes the glue surface that the light release film of the side OCA is exposed and is bonded for subsequent with cover board (Cover Glass).Therefore,
In the present embodiment, the membrane material 10 is the OCA for being pasted with weight release film, and adhesion coating OCA, the backing 20 is that display is used
Cover board, the metal gasket 40 with a thickness of OCA thickness aggravate release film thickness.
Specifically, the backing 20 has display area 21 and ink (Ink) area 22 peripheral positioned at display area 21,
In the step 1, after being aligned, the display area 21 of backing 20 is completely covered in the membrane material 10.Compared with the existing technology and
Speech carries out the soft hard process of patch using membrane material attaching method of the invention, only need to increase by one piece of metal gasket, can solve to attach
It is easy to lead to the problem of linear bubble in membrane material edge in processing procedure, does not need to apply membrane material other special process, therefore
It can reduce and attach production cost shared by processing procedure；Moreover, because the problem of linear bubble is not present, non-display ink area
22 area does not need to be expanded yet, to be conducive to the realization of display device narrow frame.
In conclusion the present invention provides a kind of membrane material attaching method, before attaching roller and being rolled, the one of membrane material
One metal gasket is placed on backing by side, is pressed downwardly onto attaching roller on metal gasket and then is made to attach roller from metal gasket
On piece starts to be rolled to the membrane material far from the other side of metal gasket, to attach in the rolling process for attaching roller
Roller be since on the metal gasket of membrane material side roll, in the prior art membrane material edge push attach roller and it is straight
It connects the method rolled in membrane material to compare, avoiding leads to linear bubble because generating instantaneous pressure in the edge of membrane material
Formation, therefore can be effectively reduced attach processing procedure in bubble it is bad, improve the attaching yield of membrane material, and method is simply easy
Row can reduce and attach production cost shared by processing procedure.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (9)
1. a kind of membrane material attaching method, which is characterized in that include the following steps：
Step 1 provides membrane material (10) and backing (20), and the membrane material (10) has adhesion coating, by the adhesion level of membrane material (10)
To the backing (20) of membrane material to be attached, and aligned；
Step 2 provides attaching roller (30) and metal gasket (40), puts metal gasket (40) in the side of the membrane material (10)
It is placed on backing (20), is pressed downwardly onto attaching roller (30) on metal gasket (40), then, make to attach roller (30) from metal gasket
(40) start another side roll to the membrane material (10) far from metal gasket (40) on and be downwardly applied to pressure, even if attaching roller
(30) it is rolled so that membrane material (10) fits on backing (20)；The thickness of the metal gasket (40) and the membrane material (10)
Thickness it is identical.
2. membrane material attaching method as described in claim 1, which is characterized in that the material of the metal gasket (40) is stainless
Steel.
3. membrane material attaching method as described in claim 1, which is characterized in that in the step 2, the rolling for attaching roller (30)
Dynamic track plane covers the membrane material (10).
4. membrane material attaching method as claimed in claim 3, which is characterized in that the membrane material (10) is rectangle, the step 2
In, the rotating direction for attaching roller (30) is the length direction of the membrane material (10), and the length for attaching roller (30) is greater than
The width of the membrane material (10).
5. membrane material attaching method as described in claim 1, which is characterized in that in the step 2, by the metal gasket (40)
After being placed on backing (20), the metal gasket (40) is on the extending direction of the membrane material (10) a side adjacent thereto
Length, not less than the length of the side.
6. membrane material attaching method as described in claim 1, which is characterized in that in the step 2, by the metal gasket (40)
After being placed on backing (20), the metal gasket (40) is in contact with the membrane material (10) to be connect.
7. membrane material attaching method as described in claim 1, which is characterized in that plane base station is also provided in the step 1, it is described
Backing (20) is placed on plane base station.
8. membrane material attaching method as described in claim 1, which is characterized in that the hard process of soft patch applied to full coating technique
In, the membrane material (10) is the Optical transparent adhesive for being pasted with weight release film, and adhesion coating is Optical transparent adhesive, the backing (20)
For the cover board of display.
9. membrane material attaching method as claimed in claim 8, which is characterized in that the backing (20) have display area (21),
And it is located at the ink area (22) of display area (21) periphery, in the step 1, after being aligned, the membrane material (10) is covered completely
The display area (21) of lid backing (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080375.9A CN106739402B (en) | 2016-11-29 | 2016-11-29 | Membrane material attaching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080375.9A CN106739402B (en) | 2016-11-29 | 2016-11-29 | Membrane material attaching method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739402A CN106739402A (en) | 2017-05-31 |
| CN106739402B true CN106739402B (en) | 2018-11-23 |
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ID=58901155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611080375.9A Active CN106739402B (en) | 2016-11-29 | 2016-11-29 | Membrane material attaching method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111552400A (en) * | 2020-04-08 | 2020-08-18 | 安徽精卓光显技术有限责任公司 | Manufacturing method of cover plate assembly, cover plate assembly and touch display module |
| CN113427921A (en) * | 2021-06-01 | 2021-09-24 | Tcl华星光电技术有限公司 | Silver paste transfer printing method, Micro-LED transfer printing method and Micro-LED |
| CN115367188B (en) * | 2021-06-11 | 2023-10-27 | 广东聚华印刷显示技术有限公司 | Film pasting equipment and film pasting method |
| CN113696468A (en) * | 2021-08-24 | 2021-11-26 | Tcl华星光电技术有限公司 | Heating film pasting device and heating film pasting method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407739A (en) * | 2014-11-27 | 2015-03-11 | 京东方科技集团股份有限公司 | Attaching method of film material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130098548A1 (en) * | 2011-10-20 | 2013-04-25 | Chin-Yu Chen | Lamination method of optical substrates |
-
2016
- 2016-11-29 CN CN201611080375.9A patent/CN106739402B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407739A (en) * | 2014-11-27 | 2015-03-11 | 京东方科技集团股份有限公司 | Attaching method of film material |
Non-Patent Citations (1)
| Title |
|---|
| 浅析两种OCA贴合方式产生的贴合缺陷;张晓宁等;《现代显示》;20110531(第5期);全文 * |
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| CN106739402A (en) | 2017-05-31 |
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