KR20160033307A - Adhesive composition, optically clear adhesive film and touch screen panel - Google Patents
Adhesive composition, optically clear adhesive film and touch screen panel Download PDFInfo
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- KR20160033307A KR20160033307A KR1020140123471A KR20140123471A KR20160033307A KR 20160033307 A KR20160033307 A KR 20160033307A KR 1020140123471 A KR1020140123471 A KR 1020140123471A KR 20140123471 A KR20140123471 A KR 20140123471A KR 20160033307 A KR20160033307 A KR 20160033307A
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- acrylate
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Abstract
Description
A pressure sensitive adhesive film for optical use, and a touch screen panel.
2. Description of the Related Art In recent years, electronic devices such as a PDA, a mobile communication terminal, or a navigation system for a vehicle have formed a large market. In such electronic devices, the technical goals pursued are mainly thinning, lightening, low power consumption, high resolution and high brightness.
On the other hand, a transparent conductive plastic film is used as an electronic device provided with a touch screen or a touch panel switch on the input operation section for lightening and preventing breakage. An example of such a film is a film made of a polyethylene terephthalate (PET) film as a substrate, and a conductive layer such as indium tin oxide (ITO) is formed on one surface of the film. Glass, a reinforcing material or a deco film.
The pressure-sensitive adhesive layer is required to have various properties such as touch sensitivity and durability.
An embodiment of the present invention provides a pressure-sensitive adhesive composition which is excellent in touch sensitivity and can suppress the whitening phenomenon problem.
Another embodiment of the present invention provides an optical adhesive film produced from the pressure-sensitive adhesive composition.
Another embodiment of the present invention provides a touch screen panel to which an optical adhesive film produced from the pressure sensitive adhesive composition for a touch screen panel is applied.
In one embodiment of the present invention, there is provided a photosensitive resin composition comprising a (meth) acrylic acid ester-based monomer and a photo-curable acrylic copolymer resin of a low dielectric monomer, wherein the low dielectric monomer is composed of a monomer having a hydroxyl group and a monomer having an N atom, And 5 to 15% by weight based on the total monomer constituting the photocurable acrylic copolymer resin.
The N-containing monomer may be 0.1 to 10 wt% of the total monomer constituting the photocurable acrylic copolymer resin.
The pressure-sensitive adhesive composition may have a hydroxyl value of 25 to 70 mg KOH / g.
(Meth) acrylate, 2-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 6-hydroxyhexyl (Meth) acrylate, 2-hydroxyethyleneglycol (meth) acrylate, 2-hydroxypropyleneglycol (meth) acrylate, and combinations thereof.
The N-containing monomer may be a compound containing a double bond and an N-containing functional group.
The N-containing functional group may be a primary amino group, a secondary amino group, an imine group, an amino group or a pyridine group.
The N-containing monomer may be selected from the group consisting of (meth) acrylamide, N-vinylpyrrolidone, N-vinylcaprolactam, and combinations thereof.
The photo-curable acrylic copolymer resin may be a quaternary copolymer of a linear or branched C1-C14 alkyl acrylate, a C6-C20 alicyclic condensed ring or fused ring containing acrylate, a hydroxyl group-containing monomer and an N-containing monomer.
The linear or branched C1-C14 alkyl acrylate is selected from the group consisting of methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) (Meth) acrylate, 2-ethylbutyl (meth) acrylate, sec-butyl (meth) acrylate, pentyl (Meth) acrylate, isooctyl (meth) acrylate, isononyl (meth) acrylate, and combinations thereof.
The C6-C20 alicyclic condensed ring or the fused ring-containing acrylate may include one selected from the group consisting of isobonyl (meth) acrylate, cyclohexyl (meth) acrylate, and combinations thereof.
Wherein the photocurable acrylic copolymer resin comprises 30 to 60% by weight of a linear or branched C1-C14 alkyl acrylate, 30 to 50% by weight of a C6-C20 alicyclic condensed ring or fused ring containing acrylate, 5 to 20% by weight of a hydroxyl group- And 1 to 10% by weight of a quaternary copolymer of an N-containing monomer.
A photoinitiator may be further included.
The photoinitiator may include one selected from the group consisting of a benzoin-based initiator, a hydroxyketone-based initiator, an aminoketone-based initiator caprolactam, and combinations thereof.
In another embodiment of the present invention, there is provided an optical adhesive film comprising a pressure-sensitive adhesive layer comprising a photo-cured product of the pressure-sensitive adhesive composition.
The optical adhesive film may have a dielectric constant k of 3.0 or less measured at a frequency of 100 kHz.
In another embodiment of the present invention,
A conductive plastic film layer having a conductive layer formed on one surface thereof; A transparent adhesive layer formed by laminating the optical adhesive film on the conductive layer; And a cover window layer laminated on the optical adhesive film.
The conductive plastic film layer may be a polyethylene terephthalate film having a conductive metal oxide layer formed on one surface thereof.
The cover window layer may be a transparent glass replacement plastic film or a tempered glass.
The optical adhesive film prepared from the pressure-sensitive adhesive composition improves the sensitivity to touch when applied to a touch screen panel and suppresses opacification.
1 is a schematic cross-sectional view of a touch screen panel according to an embodiment of the present invention.
Hereinafter, embodiments of the present invention will be described in detail. However, the present invention is not limited thereto, and the present invention is only defined by the scope of the following claims.
(Meth) acrylic ester monomer of the present invention and a photo-curable acrylic copolymer resin of a low dielectric monomer, wherein the low dielectric monomer comprises a hydroxyl group-containing monomer and an N-containing monomer, and the hydroxy group- To about 15% by weight of the total monomer constituting the resin.
A pressure sensitive adhesive film for optical use used as a bonding medium for bonding a conductive plastic film layer having a conductive layer formed on one side thereof and a cover window layer in manufacturing a touch screen panel of a display device such as a mobile, .
The pressure-sensitive adhesive composition for a touch screen panel is formed into an optical adhesive film by photo-curing the photo-curable acrylic copolymer resin. The adhesive film is formed optically transparent to be applicable to a touch screen panel. . Such an optical adhesive film having a low dielectric constant is useful for application to a touch screen panel due to increased sensitivity to touch. In addition, the optical adhesive film can suppress a whitish phenomenon and can realize a low dielectric constant at the same time.
The monomer constituting the photocurable acrylic copolymer resin contains the low-dielectric monomer, so that a low dielectric constant can be realized. For example, the optical adhesive film prepared from the pressure-sensitive adhesive composition may have a dielectric constant k value measured at a frequency of about 100 kHz of about 3.0 or less.
Also, since the low dielectric monomer contains the hydroxyl group-containing monomer and the N-containing monomer together, the optical adhesive film produced therefrom can suppress the occurrence of the whitish phenomenon and at the same time realize a low dielectric constant.
In one embodiment, the N-containing monomer may be about 0.1% to about 10% by weight of the total monomer constituting the photocurable acrylic copolymer resin.
In the optical adhesive film prepared from the photo-curable acrylic copolymer resin polymerized by incorporating the hydroxyl group-containing monomer and the N-containing monomer as the low dielectric monomer in the above-mentioned range, the low whitening phenomenon can be suppressed and at the same time a low dielectric constant can be realized .
When only the hydroxyl group-containing monomer is used alone, a low dielectric constant can be achieved. At the same time, however, a whitening phenomenon can be caused. In the photocurable acrylic copolymer resin, by using the N-containing monomer together with the appropriate amount of the total low- The content of the monomer containing a hydroxyl group can be lowered, so that the occurrence of the whitening phenomenon can be suppressed.
For example, the pressure sensitive adhesive composition may have a hydroxyl value of from about 25 to about 70 mg KOH / g.
Specific examples of the hydroxyl group-containing monomer include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 6-hydroxyhexyl (Meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyleneglycol (meth) acrylate, and the like, and combinations thereof .
The N-containing monomer is a compound containing a double bond and an N-containing functional group, which can be polymerized by a double bond, realizes a low dielectric constant by the N-containing functional group, and thus has a structure containing a double bond and an N-containing functional group Can be used without limitation.
Specific examples of the N-containing functional group may be primary amine group, secondary amine group, imine group, amino group, pyridine group and the like.
Specific examples of the N-containing monomer may include (meth) acrylamide, N-vinylpyrrolidone, N-vinylcaprolactam, and the like, and may also include combinations thereof.
In one embodiment, a linear or branched C1-C14 alkyl acrylate and a C6-C20 alicyclic condensed ring or an acrylate containing a fused ring are used together as the (meth) acrylic ester monomer, and at the same time, the hydroxyl group-containing monomer And N-containing monomers can be copolymerized together to prepare a photo-curable acrylic copolymer resin. That is, the photo-curable acrylic copolymer resin may be a quaternary copolymer of a linear or branched C1-C14 alkyl acrylate, a C6-C20 alicyclic condensed ring or fused ring containing acrylate, a hydroxyl group-containing monomer and an N-containing monomer.
The kind and content of the linear or branched C1-C14 alkyl acrylate may be controlled to control the photo-curing amount of the pressure-sensitive adhesive composition to have appropriate cohesive strength, glass transition temperature and adhesion property.
Specifically, the linear or branched C1-C14 alkyl acrylate is selected from the group consisting of methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) (Meth) acrylate, 2-ethylhexyl (meth) acrylate, 2-ethylbutyl (meth) acrylate, n-octyl (meth) acrylate, isooctyl (meth) acrylate, isononyl (meth) acrylate, and the like, and combinations thereof.
The C6-C20 alicyclic condensed ring or the fused ring-containing acrylate has a structure including a C6-C20 alicyclic condensed ring or a fused ring, which facilitates formation of entanglement of the photocurable acrylic copolymer resin The cohesive force of the pressure-sensitive adhesive composition is improved and the occurrence of bubbles is suppressed during the formation of the pressure-sensitive adhesive film.
Specifically, the C6-C20 alicyclic condensed ring or fused ring containing acrylate may include isobonyl (meth) acrylate, cyclohexyl (meth) acrylate, and the like, and may also include combinations thereof .
In another embodiment, the photo-curable acrylic copolymer resin comprises from about 30 to about 60 weight percent of a linear or branched C1 to C14 alkyl acrylate, from about 30 to about 50 weight percent of a C6 to C20 alicyclic condensed ring or fused ring containing acrylate, About 5 to about 20 weight percent of a hydroxyl group-containing monomer, and about 1 to about 10 weight percent of a quaternary copolymer of an N-containing monomer.
The pressure-sensitive adhesive composition may further comprise a photoinitiator to control the degree of polymerization as a photo-curable composition. The photoinitiator may be used in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the photo-curable acrylic copolymer resin. The type of photoinitiator is not particularly limited as long as it can initiate a polymerization reaction by light irradiation And may include, for example, one selected from the group consisting of a benzoin-based initiator, a hydroxyketone-based initiator, an amino ketone-based initiator caprolactam, and combinations thereof.
The pressure-sensitive adhesive composition may further contain one or more selected from the group consisting of an epoxy resin, a crosslinking agent, a UV stabilizer, an antioxidant, a colorant, a reinforcing agent, a filler, a defoamer, a surfactant, a plasticizer, Or more of the above additives.
In another embodiment of the present invention, there is provided an optical adhesive film comprising a pressure-sensitive adhesive layer containing a photo-cured product of the pressure-sensitive adhesive composition.
The optical adhesive film may have a dielectric constant k of about 3.0 or less measured at a frequency of 100 kHz. As described above, the optical adhesive film has a low dielectric constant, which can improve the sensitivity when applying the touch screen panel, and at the same time, the whitening phenomenon can be remarkably improved as described in the above-mentioned pressure sensitive adhesive composition.
The pressure-sensitive adhesive composition is coated on a substrate layer and then photo-cured by light irradiation to produce an adhesive film. The term "light irradiation" means irradiation of an electromagnetic wave that can cause polymerization reaction by affecting a photoinitiator or a polymerizable compound. In the above, electromagnetic waves include microwave, infrared ray, ultraviolet ray, X- A particle beam such as a proton beam, a neutron beam, and an electron beam is generally used.
The method of photocuring the pressure-sensitive adhesive composition to produce the pressure-sensitive adhesive film is not particularly limited. For example, the optical adhesive film can be produced by applying the above-described pressure-sensitive adhesive composition or a coating liquid prepared by adding a solvent thereto to a suitable process substrate by a known means such as a bar coater and then curing.
The curing process may be carried out after sufficiently removing the bubble generating component such as volatile components or reaction residues contained in the pressure-sensitive adhesive composition or the coating solution to appropriately impart crosslinking density, molecular weight, and elastic modulus of the cured product, It is possible to prevent the problem that the bubbles existing at the adhesive interface become large and form a scattering body therein.
The method for curing the pressure-sensitive adhesive composition or the coating liquid is not particularly limited. For example, the pressure-sensitive adhesive composition for a touch panel or the coating layer formed by the coating solution may be irradiated with ultraviolet light or aged under a predetermined condition The curing process can be performed.
The photo-curing can be performed, for example, by UV irradiation.
The UV irradiation carried out for photocuring can be carried out for about 10 seconds to about 15 seconds with a metal halide lamp, which is a commonly used metal halide lamp.
The amount of the UV light is preferably about 0.5 J / cm 2 to about 2.0 J / cm 2 , and more preferably about 1.0 J / cm 2 to about 1.5 J / cm 2 .
The optical adhesive film may have a thickness of about 50 탆 to about 300 탆, specifically about 100 탆 to about 200 탆. The optical adhesive film has a thickness in the above-described range, so that it can be applied to a thin touch panel or a touch screen, and an adhesive film having excellent durability can be realized.
In another embodiment of the present invention, a conductive plastic film layer having a conductive layer on one side thereof; A transparent adhesive layer formed by laminating the optical adhesive film on the conductive layer; And a cover window layer laminated on the optical adhesive film.
The cover window layer may be a transparent glass alternative plastic film developed as a material that can replace tempered glass or tempered glass. In the case of the above glass replacement plastic film, various functionalities may be imparted to each layer by a multilayer structure.
1 is a schematic cross-sectional view of the
1, the
The transparent pressure-
The specific kind of the conductive plastic film layer 130 is not particularly limited and a known conductive film in this field can be used. For example, the conductive film 130 may be a transparent plastic film having an ITO electrode layer as a conductive layer 132 on one side. Specifically, as the transparent plastic film forming the
Hereinafter, examples and comparative examples of the present invention will be described. The following embodiments are only examples of the present invention, and the present invention is not limited to the following embodiments.
( Example )
Example One
88 parts by weight of ethylhexyl acrylate, 10 parts by weight of hydroxypropyl acrylate and 2 parts by weight of N-vinylpyrrolidone were placed in a 1 liter glass reactor and thermally polymerized to obtain a photocurable acrylic copolymer resin syrup having a viscosity of 35 cP. The calculated value of the measured value of the number of hydroxycarboxylic acid copolymer resin syrup is 41 mg KOH / g. To 100 parts by weight (solids basis) of the obtained photocurable acrylic copolymer resin, 0.5 part by weight of a, a-methoxy-a-hydroxyacetophenone (Igacure 651, manufactured by Ciba) as a photoinitiator, 1,6-hexanediol di Acrylate (HDDA) were mixed and sufficiently stirred to prepare a pressure-sensitive adhesive composition. Subsequently, the pressure-sensitive adhesive composition was formed into a film having a thickness of 100 mu m and photo-cured to prepare an optical pressure-sensitive adhesive film as a cured film.
Example 2
Except that 85 parts by weight of ethylhexyl acrylate, 10 parts by weight of hydroxypropyl acrylate and 5 parts by weight of N-vinylpyrrolidone were used to prepare a photo-curable acrylic copolymer resin, and the same procedure as in Example 1 To prepare an optical adhesive film. The prepared photo-curable acrylic copolymer resin had an acid value of 41 mg KOH / g.
Example 3
Ethylhexyl acrylate, 10 parts by weight of isobonyl (meth) acrylate, 10 parts by weight of hydroxypropyl acrylate and 2 parts by weight of N-vinylpyrrolidone were placed in a 1 liter glass reactor and thermally polymerized to obtain a 35 cP Acrylic acid copolymer resin syrup was obtained. The calculated value of the measured value of the number of hydroxycarboxylic acid copolymer resin syrup is 41 mg KOH / g. To 100 parts by weight (solids basis) of the obtained photocurable acrylic copolymer resin, 0.5 part by weight of a, a-methoxy-a-hydroxyacetophenone (Igacure 651, manufactured by Ciba) as a photoinitiator, 1,6-hexanediol di Acrylate (HDDA) were mixed and sufficiently stirred to prepare a pressure-sensitive adhesive composition. Subsequently, the pressure-sensitive adhesive composition was formed into a film having a thickness of 100 mu m and photo-cured to prepare an optical pressure-sensitive adhesive film as a cured film.
Example 4
Ethylhexyl acrylate, 10 parts by weight of cyclohexyl (meth) acrylate, 10 parts by weight of hydroxypropyl acrylate and 2 parts by weight of N-vinylpyrrolidone were placed in a 1 liter glass reactor and thermally polymerized to obtain a 35 cP Acrylic acid copolymer resin syrup was obtained. The calculated value of the measured value of the number of hydroxycarboxylic acid copolymer resin syrup is 41 mg KOH / g. To 100 parts by weight (solids basis) of the obtained photocurable acrylic copolymer resin, 0.5 part by weight of a, a-methoxy-a-hydroxyacetophenone (Igacure 651, manufactured by Ciba) as a photoinitiator, 1,6-hexanediol di Acrylate (HDDA) were mixed and sufficiently stirred to prepare a pressure-sensitive adhesive composition. Subsequently, the pressure-sensitive adhesive composition was formed into a film having a thickness of 100 mu m and photo-cured to prepare an optical pressure-sensitive adhesive film as a cured film.
Comparative Example One
, 90 parts by weight of ethylhexyl acrylate and 10 parts by weight of hydroxypropyl acrylate were used to prepare a photo-curable acrylic copolymer resin, and then an optical adhesive film was prepared in the same manner as in Example 1. [ The prepared photo-curable acrylic copolymer resin had an acid value of 41 mg KOH / g.
Comparative Example 2
, 85 parts by weight of ethylhexyl acrylate and 15 parts by weight of hydroxypropyl acrylate were used to prepare a photo-curable acrylic copolymer resin, and then an optical adhesive film was prepared in the same manner as in Example 1. [ The prepared photo-curable acrylic copolymer resin had an acid value of 62 mg KOH / g.
evaluation
Experimental Example 1: dielectric constant evaluation
The electrodes were brought into contact with both surfaces of the optical adhesive film prepared in Example 1-4 and Comparative Example 1-2 according to the following conditions and the following dielectric constant k values were measured and reported in Table 1 below.
Instrument: Agilent Technologies E4980A LCR meter
Test Frequencies: 20 Hz - 2 MHz
Electrode diameter: 5 mm
Experimental Example 2: Cloudiness Evaluation
The laminated structure of glass / adhesive film / glass was manufactured using the optical adhesive films prepared in Examples 1-4 and Comparative Example 1-2, and then left in a thermo-hygrostat (85 ° C / 85% RH) for 3 days The results of the evaluation are shown in Table 1 below.
(@ 100kHz)
As can be seen from the above Table 1, it was confirmed that the opaque film of Example 1-4 did not cause clouding and had a low dielectric constant of 3.0 or less as compared with the adhesive film of Comparative Example 1-2.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, And falls within the scope of the invention.
100: Touch screen panel
110: transparent adhesive layer
131: plastic substrate layer
132: conductive layer
130: Conductive plastic film layer
150: Cover window layer
160: transparent substrate
170: Liquid crystal display (LCD)
Claims (18)
The N-containing monomer is used in an amount of 0.1 to 10% by weight based on the total monomers constituting the photocurable acrylic copolymer resin
Sensitive adhesive composition.
A water value of 25 to 70 mg KOH / g
Sensitive adhesive composition.
(Meth) acrylate, 2-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 6-hydroxyhexyl (Meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyleneglycol (meth) acrylate and combinations thereof.
Sensitive adhesive composition.
The N-containing monomer is a compound containing a double bond and an N-containing functional group
Sensitive adhesive composition.
The N-containing functional group may be any one of a primary amino group, a secondary amino group, an imine group, an amino group, or a pyridine group
Sensitive adhesive composition.
Wherein the N-containing monomer is selected from the group consisting of (meth) acrylamide, N-vinylpyrrolidone, N-vinylcaprolactam, and combinations thereof
Sensitive adhesive composition.
The photo-curable acrylic copolymer resin is preferably a quaternary copolymer of a linear or branched C1-C14 alkyl acrylate, a C6-C20 alicyclic condensed ring or fused ring containing acrylate, a hydroxyl group-containing monomer and an N-containing monomer
Sensitive adhesive composition.
The linear or branched C1-C14 alkyl acrylate is selected from the group consisting of methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) (Meth) acrylate, 2-ethylbutyl (meth) acrylate, sec-butyl (meth) acrylate, pentyl (Meth) acrylate, isooctyl (meth) acrylate, isononyl (meth) acrylate, and combinations thereof.
Sensitive adhesive composition.
The C6-C20 alicyclic condensed ring or the fused ring-containing acrylate includes one selected from the group consisting of isobonyl (meth) acrylate, cyclohexyl (meth) acrylate, and combinations thereof
Sensitive adhesive composition.
Wherein the photocurable acrylic copolymer resin comprises 30 to 60% by weight of a linear or branched C1-C14 alkyl acrylate, 30 to 50% by weight of a C6-C20 alicyclic condensed ring or fused ring containing acrylate, 5 to 20% by weight of a hydroxyl group- And 1 to 10% by weight of a quaternary copolymer of an N-containing monomer
Sensitive adhesive composition.
Further comprising a photoinitiator
Sensitive adhesive composition.
Wherein the photoinitiator comprises one selected from the group consisting of a benzoin-based initiator, a hydroxyketone-based initiator, an aminoketone-based initiator caprolactam, and combinations thereof
Sensitive adhesive composition.
When the dielectric constant k value measured at a frequency of 100 kHz is 3.0 or less
Optical adhesive film.
A transparent adhesive layer formed by laminating an optical adhesive film according to claim 14 on the conductive layer; And
A cover window layer laminated on the optical adhesive film,
The touch screen panel comprising:
Wherein the conductive plastic film layer is a polyethylene terephthalate film formed on one surface of the conductive metal oxide layer
Touch screen panel.
The cover window layer may be a transparent glass alternative plastic film or tempered glass
Touch screen panel.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140123471A KR101906637B1 (en) | 2014-09-17 | 2014-09-17 | Adhesive composition, optically clear adhesive film and touch screen panel |
| PCT/KR2015/009724 WO2016043521A1 (en) | 2014-09-17 | 2015-09-16 | Adhesive composition, optical adhesive film and touch screen panel |
| TW104130576A TW201615790A (en) | 2014-09-17 | 2015-09-16 | Adhesive composition, optically clear adhesive film and touch screen panel |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020140123471A KR101906637B1 (en) | 2014-09-17 | 2014-09-17 | Adhesive composition, optically clear adhesive film and touch screen panel |
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| Publication Number | Publication Date |
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| KR20160033307A true KR20160033307A (en) | 2016-03-28 |
| KR101906637B1 KR101906637B1 (en) | 2018-10-11 |
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| KR1020140123471A KR101906637B1 (en) | 2014-09-17 | 2014-09-17 | Adhesive composition, optically clear adhesive film and touch screen panel |
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| Country | Link |
|---|---|
| KR (1) | KR101906637B1 (en) |
| TW (1) | TW201615790A (en) |
| WO (1) | WO2016043521A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170116900A (en) * | 2016-04-12 | 2017-10-20 | 주식회사 엘지화학 | Adhesive composition for optical use, method of producing the same, and adhesive film for optical use |
| KR20180032132A (en) * | 2016-09-21 | 2018-03-29 | 동우 화인켐 주식회사 | Adhesive Composition and Adhesive Sheet Using the Same |
| WO2021075901A1 (en) * | 2019-10-16 | 2021-04-22 | 주식회사 엘지화학 | Curable composition |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011040422A1 (en) | 2009-09-29 | 2011-04-07 | リンテック株式会社 | Adhesive agent and adhesive sheet |
| US9879161B2 (en) | 2011-02-18 | 2018-01-30 | 3M Innovative Properties Company | Optically clear adhesive, method of use and articles therefrom |
| KR101374374B1 (en) * | 2011-08-11 | 2014-03-17 | 제일모직주식회사 | Adhesive Composition, Adhesive Film Comprising the Same, Method for Preparing the Adhesive Film and Display Member Using the Same |
| JP2013129789A (en) * | 2011-12-22 | 2013-07-04 | Nitto Denko Corp | Adhesive, adhesive layer, and adhesive sheet |
| BR112015019844A2 (en) | 2013-02-18 | 2017-07-18 | 3M Innovative Properties Co | pressure sensitive tape and articles made from it |
-
2014
- 2014-09-17 KR KR1020140123471A patent/KR101906637B1/en active IP Right Grant
-
2015
- 2015-09-16 WO PCT/KR2015/009724 patent/WO2016043521A1/en active Application Filing
- 2015-09-16 TW TW104130576A patent/TW201615790A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170116900A (en) * | 2016-04-12 | 2017-10-20 | 주식회사 엘지화학 | Adhesive composition for optical use, method of producing the same, and adhesive film for optical use |
| KR20180032132A (en) * | 2016-09-21 | 2018-03-29 | 동우 화인켐 주식회사 | Adhesive Composition and Adhesive Sheet Using the Same |
| WO2021075901A1 (en) * | 2019-10-16 | 2021-04-22 | 주식회사 엘지화학 | Curable composition |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201615790A (en) | 2016-05-01 |
| WO2016043521A1 (en) | 2016-03-24 |
| KR101906637B1 (en) | 2018-10-11 |
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