CN207375987U - A kind of OCA optical cements - Google Patents
A kind of OCA optical cements Download PDFInfo
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- CN207375987U CN207375987U CN201721097853.7U CN201721097853U CN207375987U CN 207375987 U CN207375987 U CN 207375987U CN 201721097853 U CN201721097853 U CN 201721097853U CN 207375987 U CN207375987 U CN 207375987U
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- oca
- release film
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Abstract
The utility model is related to optical protection layer technical fields, more particularly to a kind of OCA optical cements, the OCA optical cements include the first cuticular layer being bonded successively, use film layer and the second cuticular layer, first cuticular layer includes the first film layer and fits in the first adhesive layer of the first film layer lower surface, the light release film layer for including being bonded successively using film layer, OCA glue-lines and weight release film layer, second cuticular layer includes the second film layer and fits in the second adhesive layer of the second film layer upper surface, the lower surface of first adhesive layer is bonded with the upper surface of the light release film layer, the upper surface of second adhesive layer is bonded with the lower surface of the heavy release film layer.The optical cement of the utility model improves the protective value of OCA optical cements, OCA optical cements is made to be not easily susceptible to squeeze in winding, storage and transportational process and be deformed, are not easy to be taken up by release film using process mesoglea, practicability is high by increasing cuticular layer.
Description
Technical field
The utility model is related to optical protection layer technical fields, and in particular to a kind of OCA optical cements.
Background technology
As the utilization rate of touch-screen in people's daily life increases, the species of touch screen protective film is also increasing,
And current OCA optics plastic structures are mostly light release film, glue-line, the three-ply sandwich structure of weight release film.
But the protective value of this OCA optics plastic structure is relatively low, and when the thinner thickness of release film, release film is to centre
The protection deficiency of glue-line easily makes glue-line receive extruding, is deformed, drops in winding, storage and transport OCA optical cements
The acceptance rate of low optical glue product；And when the thickness of release film is thicker, during the use of optical cement, tear up release film
When, release film easily takes up intermediate glue-line, and the quality of optical cement is made to be damaged.
Utility model content
In order to overcome shortcoming and defect in the prior art, the purpose of this utility model is to provide a kind of OCA light
Glue is learned, which improves the protective value of OCA optical cements, make OCA optical cements in winding, storage by increasing cuticular layer
It is deformed with being not easily susceptible to squeeze in transportational process, is not easy to be taken up by release film using process mesoglea.
The purpose of this utility model is achieved through the following technical solutions：A kind of OCA optical cements, including pasting successively from top to bottom
The first cuticular layer for closing, using film layer and the second cuticular layer, first cuticular layer includes the first film layer and fits in described
First adhesive layer of the first film layer lower surface, it is described to include the light release film layer being bonded successively, OCA glue-lines and again using film layer
Release film layer, second cuticular layer include the second film layer and fit in the second gluing of the second film layer upper surface
Layer, the lower surface of first adhesive layer are bonded with the upper surface of the light release film layer, the upper surface of second adhesive layer
It is bonded with the lower surface of the heavy release film layer.
Further, the light release film layer is release for PET release film, PVC release film, PC of the off-type force in 2-20g/f
Any one of film, PE release films, PP release films, OPP release films.
Further, the heavy release film layer for off-type force 30-100g/f PET release films, PVC release films, PC from
Any one of type film, PE release films, PP release films, OPP release films.
Further, the OCA glue-lines are toughening OCA glue-line of the shore hardness in 30-40HS.
Further, the first film layer and the second film layer are PET film, PVC film, PC films, PE films, PP films, OPP
Any one of film.
Further, first adhesive layer and the second adhesive layer are layer of silica gel or acrylic glue-line.
Further, the thickness of the light release film layer is 25-75 μm.
Further, the thickness of the OCA glue-lines is 100-250 μm.
Further, the thickness of the heavy release film layer is 50-125 μm.
Further, the first film layer and the thickness of the second film layer are 25-75 μm, first adhesive layer and
The thickness of second adhesive layer is 3-25 μm.
The beneficial effects of the utility model are：The OCA optical cements of the utility model are simple in structure, and protective value is good, firmly
Degree is high, and light transmittance is high, by using the first cuticular layer and the second cuticular layer, improves the protective value of OCA optical cements, makes OCA
Optical cement is not easily susceptible to squeeze and be deformed in winding, storage and transportational process；Simultaneously by control weight release film layer and
The thickness of light release film layer, makes OCA optical cements in use, release film is not easy to take up glue-line.
The OCA optical cements of the utility model in use, first tear the first cuticular layer and the second cuticular layer off, then tear off
Light release film layer avoids during tearing up release film layer again, weighs the situation that release film layer takes up glue-line, and protection glue-line is not easy
It is damaged, improves the protective value of OCA optical cements, it is highly practical.
Description of the drawings
Fig. 1 is partial cross section's structure diagram of the utility model.
Reference numeral is：1-the first cuticular layer, 11-the first film layer, the 12-the first adhesive layer, 2-using film layer,
21-light release film layer, 22-OCA glue-lines, 23-weight release film layer, the 3-the second cuticular layer, the 31-the second adhesive layer, 32-the
Two film layers.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made into one with reference to embodiment and attached drawing 1
The explanation of step, the content that embodiment refers to not are the restriction to the utility model.
See Fig. 1, a kind of OCA optical cements, including be bonded successively from top to bottom the first cuticular layer 1, using film layer 2 and second
Cuticular layer 3, first cuticular layer 1 include the first film layer 11 and fit in the first glue of 11 lower surface of the first film layer
Glutinous layer 12, light release film layer 21, OCA glue-lines 22 and the weight release film layer 23 for including being bonded successively using film layer 2, described the
Two cuticular layers 3 include the second film layer 32 and fit in the second adhesive layer 31 of 32 upper surface of the second film layer, and described the
The lower surface of one adhesive layer 12 is bonded with the upper surface of the light release film layer 21, the upper surface of second adhesive layer 31 and institute
State the lower surface fitting of weight release film layer 23.
The OCA optical cements of the present embodiment are simple in structure, and protective value is good, and hardness is high, and light transmittance is high, by release film two
Side uses the first cuticular layer 1 and the second cuticular layer 3, improves the protective value of OCA optical cements, makes OCA optical cements in winding, storage
It deposits with being not easily susceptible to squeeze in transportational process and is deformed.
The OCA optical cements of the present embodiment in use, first tear the first cuticular layer 1 and the second cuticular layer 3 off, then successively
It tears light release film layer 21 and weight release film layer 23 off, avoids during tearing up weight release film layer 23,23 band of weight release film layer
The situation of glue-line is played, glue-line can be protected to be not easy to be damaged, improve the protective value of OCA optical cements, it is highly practical.
In the present embodiment, the light release film layer 21 is PET release film, PVC release film, PC of the off-type force in 2-20g/f
Any one of release film, PE release films, PP release films, OPP release films.The present embodiment is by using the light release of mentioned kind
Film layer 21, and the off-type force of light release film layer 21 is strictly controlled as 2-20g/f, preferably protection can be played to OCA glue-lines 22 and is made
With, and during the use of optical cement, first tear up light release film layer 21, be not easy to take up glue-line, glue-line will not be damaged to, it is release
Effect is good；Specifically, the off-type force of the light release film layer 21 is 2g/f, 7g/f, 12g/f, 16g/f or 20g/f, it is preferred that
The off-type force of the light release film layer 21 is 12g/f；Preferably, the light release film layer 21 is PET film.
In the present embodiment, the heavy release film layer 23 for off-type force the PET release films of 30-100g/f, PVC release films,
Any one of PC release films, PE release films, PP release films, OPP release films.The present embodiment by using mentioned kind weight from
Type film layer 23, and strictly control the off-type force of weight release film layer 23 that can play preferable guarantor to OCA glue-lines 22 for 30-100g/f
Shield acts on, and during the use of optical cement, first tears up light release film layer 21, then tears up weight release film layer 23, weight release film
Layer 23 is not easy to take up glue-line during tearing up, and will not be damaged to glue-line, has preferable release effect；It is specifically, described heavy
The off-type force of release film layer 23 is 30g/f, 45g/f, 65g/f, 85g/f or 100g/f, it is preferred that the heavy release film layer 23
Off-type force is 65g/f；Preferably, the heavy release film layer 23 is PET film.
In the present embodiment, the OCA glue-lines 22 are toughening OCA glue-line 22 of the shore hardness in 30-40HS.The present embodiment
OCA glue-lines 22 improve the toughness of OCA glue-lines 22, intensity is high, and entire optical cement is made to use process using being handled through toughener
In, OCA glue-lines 22 will not be damaged when tearing up light release film layer 21 and weight release film layer 23, practicability is high；Specifically, the OCA
The shore hardness of glue-line 22 is 30HS, 32HS, 35HS, 38HS or 40HS, it is preferred that the shore hardness of the OCA glue-lines 22 is
35HS。
In the present embodiment, 11 and second film layer 32 of the first film layer is PET film, PVC film, PC films, PE films, PP
Any one of film, OPP films.The present embodiment by using the film of mentioned kind as the first film layer and the second film layer,
Protective value is good, and light transmittance is good, is avoided that optical cement is not easily susceptible to squeeze and deform in winding, storage and transportational process；It is excellent
Choosing, 11 and second film layer 32 of the first film layer is PET film.
In the present embodiment, 12 and second adhesive layer 31 of the first adhesive layer is layer of silica gel or acrylic glue-line.This reality
Adhesive layer of the example by using mentioned kind is applied, the first film layer 11 can be made to be easy to be bonded with light release film layer 21, is made second thin
Film layer 32 is easy to be bonded with weight release film layer 23, and during the use of optical cement, cuticular layer is easy to tear up, easy to use,
It is highly practical；Preferably, 12 and second adhesive layer 31 of the first adhesive layer is silica gel adhesive layer.
In the present embodiment, the thickness of the light release film layer 21 is 25-75 μm.The present embodiment is by controlling light release film layer
21 thickness can play preferable protective effect, when using optical cement, when tearing light release film layer 21 off to OCA glue-lines 22
Light release film layer 21 will not take up OCA glue-lines 22, improve the protective value of optical cement；Specifically, the light release film layer 21
Thickness be 25 μm, 35 μm, 50 μm, 65 μm or 75 μm；It is more highly preferred to, the thickness of the light release film layer 21 is 50 μm.
In the present embodiment, the thickness of the OCA glue-lines 22 is 100-250 μm.The present embodiment is by controlling OCA glue-lines 22
Thickness, stability is good, is not easy to be taken up in use, and protective value is good；Specifically, the thickness of the OCA glue-lines 22 is
100 μm, 135 μm, 175 μm, 215 μm or 250 μm；Preferably, the thickness of the OCA glue-lines 22 is 175 μm.
In the present embodiment, the thickness of the heavy release film layer 23 is 50-125 μm.The present embodiment is by controlling weight release film
The thickness of layer 23, can play preferable protective effect to OCA glue-lines 22, when using optical cement, tear light release film layer 21 off
It tears weight release film layer 23 off again afterwards, OCA glue-lines 22 is taken up when avoiding tearing release film and cause the damage of OCA glue-lines 22；Specifically
, the thickness of the heavy release film layer 23 is 50 μm, 65 μm, 85 μm, 105 μm or 125 μm；Preferably, the heavy release film layer
23 thickness is 85 μm.
In the present embodiment, the thickness of 11 and second film layer 32 of the first film layer is 25-75 μm, first glue
The thickness of 12 and second adhesive layer 31 of glutinous layer is 3-25 μm.The present embodiment is by controlling 11 and second film layer of the first film layer
32 thickness and the thickness of the first adhesive layer 12 and the second adhesive layer 31 can have the first cuticular layer 1 and the second cuticular layer 3
There is preferable protective value, be avoided that optical cement is not easily susceptible to squeeze and deform in winding, storage and transportational process；Specifically
, the thickness of 11 and second film layer 32 of the first film layer is 25 μm, 37 μm, 50 μm, 63 μm or 75 μm, and described first
The thickness of 12 and second adhesive layer 31 of adhesive layer is 3 μm, 8 μm, 15 μm, 20 μm or 25 μm；Preferably, the first film layer
11 and second the thickness of film layer 32 be 50 μm；The thickness of first adhesive layer, 12 and second adhesive layer 31 is 15 μm.
Above-described embodiment is the preferable implementation of the utility model, and in addition, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model without departing from the concept of the premise utility
Within enclosing.
Claims (10)
1. a kind of OCA optical cements, it is characterised in that：Including be bonded successively from top to bottom the first cuticular layer, using film layer and
Two cuticular layers, first cuticular layer include the first film layer and fit in the first gluing of the first film layer lower surface
Layer, it is described to include the light release film layer being bonded successively, OCA glue-lines and weight release film layer, the second cuticular layer bag using film layer
Include the second film layer and fit in the second adhesive layer of the second film layer upper surface, the lower surface of first adhesive layer with
The upper surface fitting of the light release film layer, the upper surface of second adhesive layer and the following table face paste of the heavy release film layer
It closes.
2. a kind of OCA optical cements according to claim 1, it is characterised in that：The light release film layer is off-type force in 2-
Any one of the PET release films of 20g/f, PVC release films, PC release films, PE release films, PP release films, OPP release films.
3. a kind of OCA optical cements according to claim 1, it is characterised in that：The heavy release film layer is off-type force in 30-
Any one of the PET release films of 100g/f, PVC release films, PC release films, PE release films, PP release films, OPP release films.
4. a kind of OCA optical cements according to claim 1, it is characterised in that：The OCA glue-lines are shore hardness in 30-
The toughening OCA glue-lines of 40HS.
5. a kind of OCA optical cements according to claim 1, it is characterised in that：The first film layer and the second film layer
It is any one of PET film, PVC film, PC films, PE films, PP films, OPP films.
6. a kind of OCA optical cements according to claim 1, it is characterised in that：First adhesive layer and the second adhesive layer
It is layer of silica gel or acrylic glue-line.
7. a kind of OCA optical cements according to claim 1, it is characterised in that：The thickness of the light release film layer is 25-75
μm。
8. a kind of OCA optical cements according to claim 1, it is characterised in that：The thickness of the OCA glue-lines is 100-250 μ
m。
9. a kind of OCA optical cements according to claim 1, it is characterised in that：The thickness of the heavy release film layer is 50-
125μm。
10. a kind of OCA optical cements according to claim 1, it is characterised in that：The first film layer and the second film layer
Thickness be 25-75 μm, the thickness of first adhesive layer and the second adhesive layer is 3-25 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097853.7U CN207375987U (en) | 2017-08-29 | 2017-08-29 | A kind of OCA optical cements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097853.7U CN207375987U (en) | 2017-08-29 | 2017-08-29 | A kind of OCA optical cements |
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| Publication Number | Publication Date |
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| CN207375987U true CN207375987U (en) | 2018-05-18 |
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ID=62342332
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721097853.7U Active CN207375987U (en) | 2017-08-29 | 2017-08-29 | A kind of OCA optical cements |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115895465A (en) * | 2022-11-14 | 2023-04-04 | 业成科技（成都）有限公司 | Optical cement structure and manufacturing method thereof |
-
2017
- 2017-08-29 CN CN201721097853.7U patent/CN207375987U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115895465A (en) * | 2022-11-14 | 2023-04-04 | 业成科技（成都）有限公司 | Optical cement structure and manufacturing method thereof |
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