CN205473555U - Shading is pasted area and is used this liquid crystal display panel who pastes area, electronic product with two -sided - Google Patents
Shading is pasted area and is used this liquid crystal display panel who pastes area, electronic product with two -sided Download PDFInfo
- Publication number
- CN205473555U CN205473555U CN201620267264.8U CN201620267264U CN205473555U CN 205473555 U CN205473555 U CN 205473555U CN 201620267264 U CN201620267264 U CN 201620267264U CN 205473555 U CN205473555 U CN 205473555U
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- adhesive linkage
- double faced
- adhesive tape
- bonding force
- adhesive
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Abstract
The utility model relates to a shading is pasted the area and is used this liquid crystal display panel who pastes the area, electronic product with two -sided, the shading possesses with two -sided paste area (1): substrate (10), stromatolite are below the above 1.0MPa of 0.1MPa in first adhesive linkage (12), stromatolite in another surperficial second adhesive linkage (14) of substrate (10) on a surface of substrate (10), the storage elastic modulus of first adhesive linkage (12) and second adhesive linkage (14). The utility model provides a shading that has good light -proofness ability and flexible performance is with two -sided paste area (1).
Description
Technical field
The application relates to double faced adhesive tape, particularly relates to a kind of double faced adhesive tape for shielding light and use should
The liquid crystal panel of adhesive band, electronic product.
Background technology
In the past, in order to fix the end of electronic product liquid crystal panel or prevent the intrusion of ash bits, base material
Double-face adhesive is practical with the double faced adhesive tape of bonding agent and peeling paper.
For this double faced adhesive tape, it is desirable to it has excellent shading performance, especially wishes to
Enough prevent dissipating and light leak of the light in its end.It addition, attached to the liquid crystal surface of double faced adhesive tape
In the case of the bonding plane of plate has bending section, in order to make will not to produce between bonding plane and double faced adhesive tape
Raw gap, it is desirable to it has excellent flex capability (curved surface stickup).
Utility model content
In order to solve the problems referred to above, this application provides and a kind of there is excellent shading performance and flexibility
The double faced adhesive tape for shielding light of energy.
First purpose of the application is to provide a kind of double faced adhesive tape for shielding light, possesses: base material, folded
The layer the first adhesive linkage in a surface of described base material, be stacked on described base material another surface second
Adhesive linkage, the storage elastic modulus of described first adhesive linkage and described second adhesive linkage be 0.1MPa with
Upper below 1.0MPa.
In the double faced adhesive tape for shielding light provided of above-mentioned first mesh, it is preferable that described base material,
Described first adhesive linkage and described second adhesive linkage are black.
In the double faced adhesive tape for shielding light provided of above-mentioned first mesh, it is preferable that described first glues
Connecing layer different with the bonding force of described second adhesive linkage, the bonding force of described first adhesive linkage is than described
The bonding force of two adhesive linkages is high, or the bonding force of described second adhesive linkage is than described first adhesive linkage
Bonding force is high.
In the double faced adhesive tape for shielding light provided of above-mentioned first mesh, it is preferable that described first glues
The surface with described base material opposite side connecing layer and/or described second adhesive linkage has irregular
Concavo-convex asperities.
In the double faced adhesive tape for shielding light provided of above-mentioned first mesh, it is preferable that described first glues
Connect in layer and described second adhesive linkage, the higher adhesive linkage of bonding force comprise acrylic acid series bond layer,
Epoxy bond layer, Polyester bond layer, carbamate system bond layer, polyolefin are viscous
Connecing at least one layer in oxidant layer, the adhesive linkage that bonding force is low comprises rubber series bond layer, polyurethane
It it is at least one layer in bond layer, silicone-based bond layer.
In the double faced adhesive tape for shielding light provided of above-mentioned first mesh, it is preferable that described first glues
Connecing in layer and described second adhesive linkage, the higher adhesive linkage of bonding force comprises acrylic acid series bond layer,
The adhesive linkage that bonding force is low comprises silicone-based bond layer.
Second purpose of the application is to provide a kind of liquid crystal panel, possesses above-mentioned shading double faced adhesive
Carry, attached to the bonding plane of this double faced adhesive tape for shielding light.
In the liquid crystal panel provided of above-mentioned second mesh, it is preferable that described bonding plane has bending
Portion, the angle of this bending section be 135 ° less than 180 °.
3rd purpose of the application is to provide a kind of electronic product, possesses above-mentioned shading double faced adhesive
Carry, attached to the bonding plane of this double faced adhesive tape for shielding light.
In the electronic product provided of above-mentioned 3rd mesh, it is preferable that described bonding plane has bending
Portion, the angle of this bending section be 135 ° less than 180 °.
Accompanying drawing explanation
The structural representation of the double faced adhesive tape for shielding light that Fig. 1 provides for the application first embodiment；
The liquid crystal panel attaching double faced adhesive tape for shielding light that Fig. 2 provides for the application the second embodiment
Structural representation.
Drawing reference numeral illustrates:
1-double faced adhesive tape for shielding light；
10-base material；
12-the first adhesive linkage；
14-the second adhesive linkage；
100-liquid crystal panel；
50-liquid crystal panel main body；
52-bonding plane；
54-bending section；
112,114-asperities；
R-light leak；
The angle of α-bending section.
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet this
The embodiment of application, and for explaining the principle of the application together with description.
Detailed description of the invention
Being described in detail the application below by accompanying drawing, the feature of the application and advantage will be by these
Illustrate a bit and become more apparent from, clearly.
As it is shown in figure 1, the application first embodiment provides a kind of double faced adhesive tape for shielding light 1, tool
Standby: base material the 10, first adhesive linkage 12 and the second adhesive linkage 14.
In the above-described first embodiment, the first adhesive linkage 12 is stacked on a surface of base material 10, and second
Adhesive linkage 14 is stacked on another surface of base material 10.
As base material 10, such as, can enumerate the polyolefin-based resins such as polyethylene, polypropylene, ethylene-
The ethylene copolymer system resin such as acetate ethylene copolymer, ethylene-vinyl chloride copolymer, polystyrene,
The polyamide series resin such as the polystyrene resins such as ABS resin, AS resin, 6-nylon, 6,6-nylon,
Polyethylene terephthalate, polybutylene terephthalate, PEN etc. are poly-
The polycarbonate-based resins such as ester system resin, Merlon, polyestercarbonate, polrvinyl chloride, poly-inclined two
The acrylic acid series trees such as chlorine system resin, polymethyl methacrylate, polyethyl methacrylate such as vinyl chloride
The plastic sheetings etc. such as fat, polyurethanes system resin.
After selecting suitable base material 10, can reasonably design the thickness of base film, say, that
Can the thickness of appropriate design base material 10, use and the most easily prepared and from economy not affecting product
Angle set out, the thickness of base material 10 is 1.6～2.0 μm, and further, thickness is preferably 1.8 μm.
As constituting the first adhesive linkage 12 and bonding agent of the second adhesive linkage 14, can enumerate acrylic acid series,
Epoxidised fatty family, epoxy alicyclic formula system, Polyester, carbamate system, polyolefin, poly-ammonia
The bonding agents such as ester system bond layer, rubber series, silicone-based.
It addition, the storage elastic modulus of the first adhesive linkage 12 and the second adhesive linkage 14 be 0.1MPa with
Upper below 1.0MPa.
Storage elastic modulus described in this specification refers to utilize determination of viscoelasticity device (Anton
Paar company manufactures, device name " MCR300 "), in the environment of 23 DEG C, with 1Hz for directly
The adhesive linkage sample of footpath 8mm × thickness 1mm size, the storage measured by torsional shear method
Elastic modelling quantity.
For storage elastic modulus, such as, can be adjusted by changing the material of bonding agent.Such as,
By making host polymer comprise reactive functional groups, and increase the amount of cross-linking agent, storage can be improved
Elastic modelling quantity.If it addition, reduce the amount of cross-linking agent, then storage elastic modulus can be reduced.And,
Even if by suitably changing the kind of the monomer constituting the host polymers such as acrylate copolymer or main polymerization
The weight average molecular weight of thing, it is also possible to storage elastic modulus is adjusted.
If additionally, storage elastic modulus is less than 0.1MPa, then adhesive linkage 12,14 will become the softest,
Therefore the end 1a of adhesive linkage 12,14 can outwards extrude, it is therefore possible to produce light leak r.Another
Aspect, if storage elastic modulus is more than 1MPa, then harder due to adhesive linkage 12,14, curved surface is pasted
Property may be deteriorated.
Base material the 10, first adhesive linkage 12 and the second adhesive linkage 14 are preferably black.By making base material
10, the first adhesive linkage 12 and the second adhesive linkage 14 become black, can improve double faced adhesive tape 1
Shading performance.
In order to base material the 10, first adhesive linkage 12 and the second adhesive linkage 14 are coloured to black, such as,
Black dyes or black pigment can be used.As black pigment, black polyester ink etc. can be enumerated organic
Black pigment.As inorganic black pigments, white carbon black (furnace black, channel black, acetylene carbon black, heat can be enumerated
Split white carbon black, dim etc.), graphite, copper oxide, manganese dioxide, nigrosine, black, titanium is black, flower
Blue or green black, activated carbon, ferrite, combined oxidation system black pigment etc..Black pigment can individually or
Two or more being combined to is used.
The method of base material 10 coloring is not exposed to concrete restriction, selects conventional method to selection
Base material carries out colouring and i.e. can get colored matrix materials, such as, mixes coloring agent in the base material 10 selected
(dyestuff or pigment) colours, and wherein coloring agent (dyestuff or pigment) can be from known
Coloring agent in carry out suitable selection, but, from the viewpoint of fully coloring, face is preferably used
Material.
The method colouring the first adhesive linkage 12 and the second adhesive linkage 14 is not exposed to concrete restriction,
Select conventional method that the adhesive linkage selected is carried out coloring and can obtain coloring adhesive linkage, such as, by upper
State the black pigment above-mentioned bonding agent of incorporation to colour.Furthermore it is preferred that the ratio of the two be bonding agent/
The scope of pigment=100:5-100:15, the ratio of the two is more preferably 100:10.
According to the present embodiment, using the teaching of the invention it is possible to provide a kind of have excellent flex capability (curved surface stickup)
Double faced adhesive tape 1, and by making base material the 10, first adhesive linkage 12 and the second adhesive linkage 14 be
Black, using the teaching of the invention it is possible to provide a kind of light leak r that more efficient can prevent double faced adhesive strap end portion 1a and having
The double faced adhesive tape 1 of excellent shading performance.
In the present embodiment, the preferably first adhesive linkage 12 is different with the bonding force of the second adhesive linkage 14,
Such as, the bonding force of the first adhesive linkage 12 is higher than the bonding force of the second adhesive linkage 14, or second glues
The bonding force connecing layer 14 is higher than the bonding force of the first adhesive linkage 12.Due to the first adhesive linkage 12 and
The bonding force of two adhesive linkages 14 is different, so that the side of base material 10 is by high bonding of bonding force
The bonding article of layer, and the opposite side of base material 10 is easily peeled off by the adhesive linkage that bonding force is low
Cementation once again, so that double faced adhesive tape for shielding light 1 can reuse, and practicality is high.
Wherein, as the higher adhesive linkage of bonding force comprise acrylic acid series bond layer, epoxy bond layer,
In Polyester bond layer, carbamate system bond layer, polyolefin bond layer at least one
Individual layer, but it is not limited to these, can carry out according to demand selecting to use, the adhesive linkage bag that bonding force is low
Containing at least one in rubber series bond layer, urethane adhesive layer, silicone-based bond layer etc.
Layer.Wherein, preferentially use acrylic acid series bond layer as the higher adhesive linkage of bonding force, as viscous
The low adhesive linkage of relay preferentially uses silicone-based bond layer.
In order to reach good adhesive effect, the thickness of the first adhesive linkage 12 is 1.8～2.2 μm, enters one
Step ground, thickness is preferably 2.0 μm, same, and the thickness of the second adhesive linkage 14 can be 1.8～2.2 μm,
Further, thickness is preferably 2.0 μm.
It addition, when double faced adhesive tape for shielding light 1 is pasted on object such as liquid crystal panel, in order to avoid
Easily produce the phenomenon of bubble, the preferably first adhesive linkage 12 and/or the second adhesive linkage 14 and base
The surface of material 10 opposite side has irregular concavo-convex asperities 112,114.Due to concavo-convex
The setting of asperities 112,114, wherein protuberance object such as liquid crystal panel is mutually bonding, air then from
Recess is discharged, and is therefore not easy to produce bubble.Meanwhile, the air that can make residual is uniform by recess
Be distributed between adhesive linkage and liquid crystal panel, thus suppress air to concentrate in together and form big gas
Bubble, and from the most also will not be the most obvious.Meanwhile, it is smooth feelings with the surface of adhesive linkage
Condition is compared, and arranges concavo-convex asperities and adhesive linkage is diminished with the contact area of liquid crystal panel, pastes
Time can suppress the generation of wrinkle.Further, tiny concavo-convex sub-light can also be provided to liquid crystal panel
Feel such aesthetic appearance.
As in figure 2 it is shown, the application the second embodiment provides a kind of liquid crystal panel 100.Liquid crystal panel
100 possess double faced adhesive tape for shielding light 1 in first embodiment, attached to this shading double faced adhesive
Bonding plane 52 (bonding plane 52 is formed in liquid crystal panel main body 50) with 1.Bonding plane 52 has
Bending section 54, the angle [alpha] of this bending section be 135 ° less than 180 °.Wherein, bending section
When angle [alpha] refers on the basis of the face 52a of the side of the bonding plane 52 to clip bending section 54, with folder
The angle angle of the face 52b of the opposite side of the bonding plane 52 of bending section 54.That is, the angle of bending section
Degree α be the face 52b of 180 ° of face 52a and opposite sides representing sides at grade.In bending
In the case of the angle [alpha] in portion is less than 135 °, may produce between bonding plane 52 and double faced adhesive tape 1
Raw gap, consequently, it is possible to excellent shading performance cannot be guaranteed.
Present invention also provides a kind of electronic product.This electronic product possesses the shading in first embodiment
With double faced adhesive tape, the bonding plane that attached to this double faced adhesive tape for shielding light, bonding plane has bending section,
The angle of this bending section be 135 ° less than 180 °.For such electronic product, also
The effect identical with the second embodiment can be realized.
The announcement of book according to the above description, the application those skilled in the art can also be to above-mentioned reality
The mode of executing carries out suitable change and amendment.Therefore, the application is not limited to be disclosed above and describe
Detailed description of the invention, the right that some modifications and changes of the application should also be as falling into the application is wanted
In the protection domain asked.
Claims (10)
1. a double faced adhesive tape for shielding light, it is characterised in that possess:
Base material,
Be stacked on a surface of described base material the first adhesive linkage,
It is stacked on second adhesive linkage on another surface of described base material,
The storage elastic modulus of described first adhesive linkage and described second adhesive linkage is more than 0.1MPa
1.0MPa below.
Double faced adhesive tape for shielding light the most according to claim 1, it is characterised in that
Described base material, described first adhesive linkage and described second adhesive linkage are black.
Double faced adhesive tape for shielding light the most according to claim 2, it is characterised in that
Described first adhesive linkage is different with the bonding force of described second adhesive linkage, described first adhesive linkage
Bonding force is higher than the bonding force of described second adhesive linkage, or the bonding force of described second adhesive linkage compares institute
The bonding force stating the first adhesive linkage is high.
Double faced adhesive tape for shielding light the most according to claim 3, it is characterised in that
Described first adhesive linkage and/or described second adhesive linkage and described base material opposite side table
Mask has irregular concavo-convex asperities.
Double faced adhesive tape for shielding light the most according to claim 4, it is characterised in that
In described first adhesive linkage and described second adhesive linkage, the higher adhesive linkage of bonding force comprises propylene
Acid is bond layer, epoxy bond layer, Polyester bond layer, carbamate system bonding agent
At least one layer in layer, polyolefin bond layer, the adhesive linkage that bonding force is low comprises rubber series and glues
Connect at least one layer in oxidant layer, urethane adhesive layer, silicone-based bond layer.
Double faced adhesive tape for shielding light the most according to claim 5, it is characterised in that
In described first adhesive linkage and described second adhesive linkage, the higher adhesive linkage of bonding force comprises propylene
Acid is bond layer, and the adhesive linkage that bonding force is low comprises silicone-based bond layer.
7. a liquid crystal panel, it is characterised in that possess:
Double faced adhesive tape for shielding light according to any one of claim 1～6, attached to this shading and use
The bonding plane of double faced adhesive tape.
Liquid crystal panel the most according to claim 7, it is characterised in that
Described bonding plane has bending section, the angle of this bending section be 135 ° less than 180 °.
9. an electronic product, it is characterised in that possess:
Double faced adhesive tape for shielding light according to any one of claim 1～6, attached to this shading and use
The bonding plane of double faced adhesive tape.
Electronic product the most according to claim 9, it is characterised in that
Described bonding plane has bending section, the angle of this bending section be 135 ° less than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267264.8U CN205473555U (en) | 2016-03-31 | 2016-03-31 | Shading is pasted area and is used this liquid crystal display panel who pastes area, electronic product with two -sided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267264.8U CN205473555U (en) | 2016-03-31 | 2016-03-31 | Shading is pasted area and is used this liquid crystal display panel who pastes area, electronic product with two -sided |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205473555U true CN205473555U (en) | 2016-08-17 |
Family
ID=56646294
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620267264.8U Active CN205473555U (en) | 2016-03-31 | 2016-03-31 | Shading is pasted area and is used this liquid crystal display panel who pastes area, electronic product with two -sided |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205473555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216819A (en) * | 2017-06-01 | 2017-09-29 | 京东方科技集团股份有限公司 | A kind of glued membrane and preparation method thereof, Flexible Displays module |
| CN108148522A (en) * | 2017-12-28 | 2018-06-12 | 张家港康得新光电材料有限公司 | A kind of shading foam tape |
-
2016
- 2016-03-31 CN CN201620267264.8U patent/CN205473555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216819A (en) * | 2017-06-01 | 2017-09-29 | 京东方科技集团股份有限公司 | A kind of glued membrane and preparation method thereof, Flexible Displays module |
| CN108148522A (en) * | 2017-12-28 | 2018-06-12 | 张家港康得新光电材料有限公司 | A kind of shading foam tape |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |