WO2005034583A1 - 有機el素子用透明封止材 - Google Patents
有機el素子用透明封止材 Download PDFInfo
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- WO2005034583A1 WO2005034583A1 PCT/JP2004/014519 JP2004014519W WO2005034583A1 WO 2005034583 A1 WO2005034583 A1 WO 2005034583A1 JP 2004014519 W JP2004014519 W JP 2004014519W WO 2005034583 A1 WO2005034583 A1 WO 2005034583A1
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- WIPO (PCT)
- Prior art keywords
- polymer
- organic
- sealing material
- transparent sealing
- copolymer
- Prior art date
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- 239000003566 sealing material Substances 0.000 title claims abstract description 68
- 239000000203 mixture Substances 0.000 claims abstract description 47
- 229920005570 flexible polymer Polymers 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 10
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- 229920001577 copolymer Polymers 0.000 claims description 61
- -1 aromatic vinyl compound Chemical class 0.000 claims description 53
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 34
- 239000005977 Ethylene Substances 0.000 claims description 34
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- 150000004678 hydrides Chemical class 0.000 claims description 26
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 10
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
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- 239000001257 hydrogen Substances 0.000 claims description 5
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- 239000003054 catalyst Substances 0.000 description 4
- KTQYJQFGNYHXMB-UHFFFAOYSA-N dichloro(methyl)silicon Chemical compound C[Si](Cl)Cl KTQYJQFGNYHXMB-UHFFFAOYSA-N 0.000 description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H—ELECTRICITY
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
- H05B33/04—Sealing arrangements, e.g. against humidity
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K59/873—Encapsulations
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- Y10T428/31855—Of addition polymer from unsaturated monomers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
Definitions
- the present invention relates to a transparent sealing material for an organic EL device. More specifically, the present invention relates to a transparent sealing material for an organic EL device used to fill a space on a light emitting surface side of a light emitting device constituting an electorifice luminescent display panel (hereinafter, simply referred to as “EL display panel”).
- the transparent sealing material for an organic EL element of the present invention is used for an EL display panel for a mobile phone, a portable information terminal, a desktop computer, a notebook computer, a television, an in-vehicle information device, a clock, and various other display devices.
- an EL element emits light by itself, a display device provided with the EL element has high visibility. Utilizing such properties, a high-performance display device having an organic EL element capable of lowering the applied voltage as compared with an inorganic EL element, that is, an organic EL display is being studied.
- the organic EL element has a basic structure in which an anode layer, a light emitting layer, and a cathode layer are sequentially formed on a substrate having the same strength as glass. In some cases, a functional layer is provided between each layer to improve performance.
- the organic EL device having the above-described configuration can emit light by supplying a current between the anode layer and the cathode layer.
- the material constituting the element is eroded, resulting in deterioration.
- a display device including a deteriorated organic EL element is used, a light emission defect, that is, a dark spot is generated, leading to poor visibility.
- a display device provided with an organic EL element is usually provided with a transparent substrate (in some cases, a sealing can) having a strength such as glass for covering and sealing the organic EL element.
- a method of disposing a dehydrating agent in a space generated between the organic EL element and the transparent substrate a method of using a transparent sealing material made of an ultraviolet curable resin, and a method of containing an adsorbent A method of filling an active liquid (see Patent Document 1) and the like are disclosed. But eventually However, the generation of dark spots is not sufficiently suppressed.
- Patent Document 1 Japanese Patent Application Laid-Open No. Hei 9 35868
- the present invention is excellent in flexibility, can sufficiently seal an organic EL element, and can suppress generation of dark spots and enhance image visibility when an organic EL display is used.
- An object of the present invention is to provide a transparent sealing material for an organic EL device that can be used.
- An organic EL device comprising: a transparent sealing material for an organic EL device, which is formed from a flexible polymer composition and is disposed between a light emitting surface of the light emitting device and the sealing member. Transparent sealing material for devices.
- the flexible polymer composition includes a gen polymer, an olefin polymer, an acrylic polymer, a urethane polymer, a polyamide polymer, a polyester polymer, a vinyl chloride polymer, Fluorine-based polymer and silicone-based polymer
- the gen-based polymer is a styrene-butadiene copolymer and its hydride, a styrene-isoprene copolymer and its hydride, a butadiene block copolymer and its hydride, a styrene-butadiene-styrene block Copolymers and their hydrides, Further, the transparent encapsulant for an organic EL device according to the above [4], wherein the styrene 'isoprene / styrene block copolymer and its hydride power are at least one selected from the group consisting of:
- the gen-based polymer has a butadiene polymer block (I) having a Bull bond content of less than 25%, a mass ratio of a conjugated gen unit (al) and another monomer unit (a2) [(al ) / (a2)] is (100-50) / (0-50), and the polymer block ( ⁇ ) having a Bull bond content of 25-95% has at least one conjugated gene in the molecule.
- the gen-based polymer has a mass ratio [(bl) / (b2)] of the conjugated gen unit (bl) and the aromatic vinyl compound (b2) of (99-50) Z (1-50).
- the above-mentioned ethylene' ⁇ -lefin olefin copolymer and the above-mentioned ethylene' ⁇ -lefin 'non-conjugated gen copolymer include carboxyl group, hydroxyl group, epoxy group, amino group, alkoxysilyl group, sulfonic acid
- the transparent sealing material for an organic EL device of the present invention is formed from a flexible polymer composition.
- INDUSTRIAL APPLICABILITY The transparent sealing material for an organic EL device of the present invention has excellent flexibility and can sufficiently seal without deteriorating a light emitting device. As a result, the occurrence of dark spots can be suppressed, and the visibility of the image is stabilized.
- the transparent sealing material for an organic EL device of the present invention is also excellent in transparency, the transparency does not decrease even when it is in close contact with a transparent member such as a sealing member constituting an EL display panel. As a result, the visibility of the image is stabilized.
- the flexible polymer composition is an elastomer composition
- it has sufficient flexibility even when a molded article having a desired shape is formed.
- the space inside the EL display panel can be filled without gaps.
- the above-mentioned flexible polymer composition may be added to a gen polymer, an olefin polymer, an acryl polymer, a urethane polymer, a polyamide polymer, a polyester polymer, and a vinyl chloride polymer.
- Material when the flexible polymer composition contains a liquid substance having a kinematic viscosity in a predetermined range, a molded article having more flexibility can be obtained without lowering the transparency.
- the transparent sealing material for an organic EL device of the present invention may be a thin body. Even in such a form, it is not easily broken or easily damaged.
- FIG. 1 is an explanatory sectional view showing an EL display panel.
- FIG. 2 is an explanatory sectional view showing another EL display panel.
- FIG. 3 is an explanatory sectional view showing a light emitting element.
- the transparent sealing material for an organic EL element of the present invention is provided on a light emitting element (organic EL element) sequentially including a substrate, an anode layer, a light emitting layer, and a cathode layer, and on a light emitting surface side of the light emitting element. It is used for an EL display panel including a sealing member, and is formed of a flexible polymer composition, and is disposed between the light emitting surface of the light emitting element and the sealing member.
- the transparent sealing material for an organic EL device of the present invention is formed from the flexible polymer composition described below.
- the “flexible polymer composition” may contain a polymer described below and other components, or may be a polymer alone. Therefore, the transparent sealing material for an organic EL device of the present invention may be formed from a flexible polymer composition containing the polymer described below and other components! It may be formed from a flexible polymer composition composed only of coalescing.
- the flexible polymer composition preferably contains a polymer having flexibility and providing a transparent molded product.
- the contained polymer may be a resin or an elastomer (including rubber). Further, a resin and an elastomer may be combined.
- the flexible polymer composition is preferably an elastomer composition.
- the polymer to be contained include an olefin polymer, a gen polymer, an acrylic polymer, a urethane polymer, a polyamide polymer, a polyester polymer, a salt-containing vinyl polymer, and a fluorine-based polymer. Polymers, silicone polymers, and the like. These can be used alone or in combination of two or more.
- the gen-based polymer a polymer using a conjugated gen is preferable.
- the gen-based polymer may be a homopolymer or a copolymer of a conjugated gen, or may be a copolymer of a conjugated gen and another monomer. Further, the above-mentioned gen-based polymer may be used in combination with a homopolymer and a copolymer.
- Examples of the conjugated gen include 1,3-butadiene, isoprene, 2,3-dimethinolane 1,3-butadiene, 1,3-pentadiene, 2-methyl-1,3-pentadiene, 1,3-hexadiene, 4,5 —Jetiloo 1,3—Oktaj And chloroprene.
- 1,3-butadiene, isoprene and 1,3-pentadiene are preferred, and 1,3-butadiene and isoprene are particularly preferred.
- the compounds exemplified above can be used alone or in combination of two or more.
- styrene t-butylstyrene, ⁇ -methylstyrene, polychlorostyrene, ⁇ -methylstyrene, dibutylbenzene, ⁇ , ⁇ ⁇ -ethyl- ⁇ -aminostyrene, and the like.
- Aromatic vinyl conjugates vinyl cyanide compounds such as (meth) acrylonitrile; and nitrogen atom-containing vinyl conjugates such as butyl pyridine.
- styrene and ⁇ -methylstyrene are preferred.
- the compounds exemplified above can be used alone or in combination of two or more.
- the conjugated gen unit may be random, tapered (one in which the monomer increases or decreases along the molecular chain) or one.
- Department Blottaka It may be the distribution of choice.
- Examples of the gen-based polymer include polybutadiene, polyisoprene, styrene'butadiene copolymer, styrene'isoprene copolymer, isobutylene'isoprene polymer, and acrylonitrile.butadiene copolymer.
- conjugated block copolymers such as styrene “butadiene” styrene block copolymer and styrene “isoprene” styrene block copolymer may be used.
- This conjugated gen-based block copolymer may be a conjugated gen copolymer or, as described above, a conjugated gen and one or more other monomers such as an aromatic vinyl compound. It may be a copolymer. Therefore, the block structure of this block copolymer includes ( ⁇ — ⁇ ) ⁇ , ( ⁇ —A) B, (A—B—A), (B—A—B), etc.
- block structure of the block copolymer includes, as (AB) X, (B-A) X, (ABA) X, (BAB) X, etc.
- the body molecular chain may be extended or branched.
- “A” is a block mainly composed of conjugated gen units
- “B” is a block mainly composed of another conjugated gen unit or another monomer unit
- m is an integer of 1 or more.
- the gen-based polymer according to the present invention may be a hydride (hydrogenated polymer) of the above polymer.
- a hydride hydrogenated polymer
- its hydrogenation rate is preferably at least 80%, more preferably at least 85%, particularly preferably Is over 90%. As the hydrogenation rate increases, the light resistance, shape retention, and mechanical properties of a molded article can be improved.
- a hydride of a conjugated gen-based block polymer or a hydride of a gen-based polymer composed of a conjugated gen and an aromatic vinyl conjugate can be preferably used.
- the conjugated gen-based block polymer includes a butadiene polymer block (I) having a vinyl bond content of less than 25%, a mass of a conjugated gen unit (al) and another monomer unit (a2).
- a polymer block ( ⁇ ) having a ratio [(al) / (a2)] of (100-50) / (0-50) and a Bull bond content of 25-95% is at least one in each molecule.
- a gen-based block polymer (hereinafter, referred to as “polymer (P)”) is preferable.
- the content of vinyl bond (1,2-butyl bond) is preferably less than 25%, more preferably 5 to 20%, and still more preferably 7 to 20%. 19%. Therefore, the butadiene polymer block (I) becomes a crystalline block showing a structure similar to an ethylene'butene copolymer by hydrogenation.
- the vinyl bond content within the above range, the mechanical properties and shape retention of the molded article can be improved.
- the polymer block ( ⁇ ) may be a block having only a conjugated gen unit or a block composed of a conjugated gen unit (al) and another monomer unit (a2). It may be V.
- the mass ratio [(al) / (a2)] of the conjugated gen unit (al) and the other monomer unit (a2) is preferably (100-50) Z (0-50), and more preferably (100). 100-70) Z (0-30), and more preferably (100-90) Z (0-10).
- the content of the bullet bond (1,2-butyl bond and 3,4-bil bond) is preferably 25-95%, more preferably 25-90%. And more preferably 30-85%.
- ml-m3 represents an integer of 1 or more
- the polymer (P) is a copolymer having at least a triblock, a molded article which is more excellent in shape retention and mechanical properties when a hydride is obtained can be obtained.
- ml is preferably an integer of 2 or more.
- the polymer (P) is composed of the butadiene polymer block (I) and the polymer block (I).
- the content ratio ([ ⁇ ) ⁇ ( ⁇ )] of the butadiene polymer block (I) and the polymer block ( ⁇ ) constituting the polymer (P) is preferably (5-60) ) 95 (95-40), more preferably (7-55) ⁇ (93-45), even more preferably (7-50) ⁇ (93-50).
- Examples of the gen-based polymer (hereinafter, referred to as "gen-based polymer (Q) t") comprising the conjugated gen and the aromatic vinyl compound are a conjugated gen unit (bl) and an aromatic vinyl compound.
- a polymer block having a mass ratio of (b2) [(bl) / (b2)] of (99 to 50) Z (1 to 50) and a vinyl bond content of 65 to 95% should have at least one polymer block in the molecule.
- the use of such a gen-based polymer makes it possible to obtain a molded article having excellent viscoelasticity.
- the gen-based polymer (Q) is a copolymer having at least two polymer blocks that also have an aromatic vinylidation property, when it is formed into a hydride, it has a shape retaining property and a strength. An excellent molded product can be obtained due to its chemical properties.
- a polymer block (I) having an aromatic vinyl conjugate and a polymer block ( ⁇ ) comprising a conjugated gen and an aromatic vinyl conjugate is preferably (1-140) / (99-60), more preferably (3-30) / (97-70), and still more preferably (5-70). 20) It is Z (95-80).
- the gen-based polymer (Q) includes a polymer When the block (I) is "A1" and the polymer block ( ⁇ ) is "B1", B ⁇ (A'-B 1 )
- 1 m3 represents an integer of 1 or more.
- the polymer molecular chain through a coupling agent residue X may be one which is extended or branched.
- n represents an integer of 2 or more. Further, in each of the above general formulas, when n is 3 or more, when a hydride is used, a molded article excellent in shape retention and hot melt adhesiveness can be obtained.
- Examples of the coupling agent include 1,2-dibromoethane, methyldichlorosilane, trichlorosilane, methyltrichlorosilane, tetrachlorosilane, tetramethoxysilane, dibutylbenzene, getyl adipate, dioctyl adipate, benzene 1,2,4- Triisocyanate, tolylene diisocyanate, epoxidized 1,2-polybutadiene, epoxidized amaji oil, tetrachlorogenoleum, tetrachlorotin, butyltrichlorotin, butyltrichlorosilane, dimethylchlorosilane, 1,4-chloromethylbenzene , Bis (trichlorosilyl) ethane and the like.
- the hydrogenation (hydrogenation) of the polymer (P) and the gen-based polymer (Q) is performed on the olefinic unsaturated bond in the block.
- the hydrogenation of the polymer (P) and the gen-based polymer (Q) is disclosed in JP-A-2-133406, JP-A-3-128957, JP-A-5-170844 and the like. It can be performed by a method or the like.
- isobutylene ′ isoprene copolymer is generally used as “butyl rubber”.
- isobutylene and isoprene and another monomer such as a compound having a polar group (hereinafter, “polar rubber”) And a group-containing compound).
- polar rubber a compound having a polar group
- group-containing compound a compound having a polar group
- a partially crosslinked copolymer of the polar group-containing compound or the like may be used.
- the polar group-containing compound includes at least one selected from the group consisting of a hydroxyl group, an epoxy group, an amino group, a carboxyl group, an acid anhydride group, an alkoxysilyl group, and a nitrile group. Can be used. Further, the above partially crosslinked copolymer is usually obtained by copolymerizing a compound having a polyfunctional unsaturated bond with these polar group-containing compounds. Examples of the compound include a polyvalent aryl compound, a polyvalent (meth) atalylate conjugate, a divinyl compound, a bismaleimide conjugate, and a dioxime compound.
- the butyl rubber may be a chlorine-containing isobutylene 'isoprene copolymer obtained by halogenating an isobutylene' isoprene copolymer or the like, or a bromine-containing isobutylene 'isoprene copolymer.
- Examples of the above-mentioned olefin polymer include polyethylene, polypropylene, ethylene 'olefin copolymer, and ethylene' ⁇ -olefin-non-conjugated gen copolymer.
- the ⁇ -olefin in the above-mentioned ethylene ' ⁇ -olefin copolymer and ethylene' ⁇ -olefin 'non-conjugated gen copolymer is ⁇ -olefin except ethylene.
- the ⁇ -olefins include propylene, 1-butene, 1-pentene, 3-methyl-1-butene, 1-hexene, 3-methyl-1 pentene, 4-methyl-1 pentene, 3-ethinolene 1 pentene, 1 otaten, 1-decene And ⁇ -olefin having 3-12 carbon atoms are preferred, and propylene and 1-butene are particularly preferred.
- the X-year-old fin exemplified above can be used alone or in combination of two or more.
- Examples of the ethylene ' ⁇ -olefin copolymer include ethylene' propylene copolymer, ethylene / 1-butene copolymer, ethylene / 1-pentene copolymer, ethylene-3-methyl-1-butene copolymer, and ethylene ⁇ 1-butene copolymer.
- an ethylene 'propylene copolymer and an ethylene / 1-butene copolymer are preferred.
- the above ethylene- ⁇ -olefin copolymer may be used alone or in combination of two or more.
- the non-conjugated genes include 1,4 pentadiene, 1,4-hexadiene, 1,5-hexadiene, 1, 7— Octadiene, 1,9-decadiene, 3,6 dimethyl-1,7-octadiene, 4,5-dimethyl1,7-octadiene, 5-methylinole 1,8-nonadiene, dicyclopentadiene, 5-ethylidene-2 norbornene, 5 —Bieux 2 Norbornene, 2,5 Norbornagen and the like. These can be used singly or in combination of two or more.
- Examples of the above-mentioned ethylene ' ⁇ -butane refine' non-conjugated gen copolymer include ethylene propylene.dicyclopentadiene copolymer, ethylene Propylene '5-ethylidene-2 norbornene copolymer, ethylene / 1-butene' dicyclopentadiene copolymer, ethylene / 1-butene-5-ethylidene-2 norbornene copolymer, and the like. These can be used alone or in combination of two or more.
- the above-mentioned ethylene' ⁇ -lean refin copolymer and the above-mentioned ethylene' ⁇ -lean refine 'non-covalent gen copolymer have a monomer unit comprising another monomer (a) in each polymer. It may be a polymer containing As the other monomer (a), an unsaturated compound having a functional group such as a carboxyl group, a hydroxyl group, an epoxy group, an amino group, an alkoxysilyl group, a sulfonic acid group, and a nitrile group is preferable. Such unsaturated compounds can be used alone or in combination of two or more.
- the amount of the unsaturated compound used is preferably 0.01% to 10% by mass, more preferably 0.1% to 5% by mass, based on all monomers.
- unsaturated compound having a carboxyl group Maleic anhydride, (meth) acrylic acid, cyclic conjugates represented by the following general formula (1), and the like.
- R 1 is a hydrogen atom or a hydrocarbon group having 11 to 10 carbon atoms
- ⁇ ⁇ ⁇ 2 and ⁇ 3 are each independently a hydrogen atom or a carbon atom having 1 to 10 carbon atoms.
- the acid anhydride one CO— ( ⁇ ) —CO—
- p is an integer from 0-2 and q is an integer from 0-5.
- Examples of the cyclic compound represented by the general formula (1) include 5,6 dimethyl-5,6-dicarboxybicyclo [2.2.1] —2-heptene, 5,6 getyl-5,6-dical Boxybicyclo [2.2.1] —2-heptene, 5,6 dimethyl-5,6-bis (carboxymethyl) -bicyclo [2.2.1.] — 2-heptene, 5,6-getyl—5,6— Bis (carboxymethyl) -bicyclo [2.2.1]-2-heptene, 5-methyl-5 carboxy-bicyclo [2.2.1]-2 heptene, 5-ethyl-5 carboxy-bicyclo [2.2.1] — 2 heptene, 5 carboxy-5 carboxymethyl-bicyclo [2.2.1] — 2 heptene, 5—methyl-5 carboxymethyl-bicyclo [2.2.1] — 2 heptene, 5-ethyl-5 carboxymethyl-bicyclo [2.2.1] —2 heptene,
- the cyclic conjugate represented by the above general formula (1) When the cyclic conjugate represented by the above general formula (1) is used, its amount is preferably 0.01 to 15% by mass, more preferably 0 to 15% by mass, based on all monomers. 1-10% by mass.
- the ethylene-a-one-year-old olefin copolymer or the ethylene- ⁇ -year-old olefin non-conjugated gen copolymer obtained by copolymerizing the cyclic compound represented by the general formula (1) is a random copolymer. Is preferred.
- the weight average molecular weight Mw of the random copolymer obtained by copolymerization in terms of polystyrene by GPC is preferably from 1,000 to 3,000,000, more preferably ⁇ 3,000 to 1,000,000. 000, more preferably ⁇ 5,000-700,000.
- the above-mentioned ethylene' ⁇ -year-old olefin copolymer and ethylene'a-year-old olefin / non-conjugated gen copolymer may be used singly or individually. More than one species can be used in combination.
- the acrylic polymer include a polymer obtained by monomeric power containing an alkyl acrylate.
- alkyl acrylate examples include methyl acrylate, ethyl acrylate, n-propyl acrylate, n-butyl acrylate, isobutyl acrylate, n-pentyl acrylate, isoamyl acrylate, n-hexyl acrylate, 2-methylpentyl acrylate, n-octyl acrylate, 2-ethylhexyl acrylate, n-decyl acrylate, n-dodecyl acrylate, n-octa decyl acrylate, cyanomethyl acrylate, 1 —Cyanoethyl acrylate, 2-cyanoethyl acrylate, 1—cyanopropyl acrylate, 2-cyanopropyl acrylate, 3-cyanopropyl acrylate, 4-cyanobutyl acrylate, 6-cyano to Kisyl atalilate, 2-ethyl-6-cyano
- the acrylic polymer may be a resin or rubber as long as it is a copolymer of an alkyl acrylate and another monomer.
- the acrylic polymer is, for example, an acrylic rubber, an alkoxyalkyl acrylate, an ethylenically unsaturated compound, a crosslinkable compound, or the like can be used as another monomer.
- the acrylic acid alkoxyalkyl esters include 2-methoxyethyl acrylate, 2-ethoxyethyl acrylate, 2- (n-propoxy) ethyl acrylate, 2- (n-butoxy) ethyl acrylate, Examples include 3-methoxypropyl acrylate, 3-ethoxypropyl acrylate, 2- (n-propoxy) propyl acrylate, 2- (n-butoxy) propyl atalylate, and the like.
- Examples of the ethylenically unsaturated compound include compounds having a carboxyl group such as acrylic acid, methacrylic acid, crotonic acid, 2-pentenoic acid, maleic acid, fumaric acid, and itaconic acid; 1,1-dihydroperfurate Oloethyl (meth) acrylate, 1, 1-dihydroperfluoropropyl (meth) acrylate, 1, 1, 5-trihydroperfluorohexyl (meth) acrylate, 1, 1, 2, 2-tetrahydroperfluoropropyl (meth) acrylate, 1, 1, 7-trihydroperfluoroheptyl (meth) acrylate, 1, 1 dihydroperfluorooctyl (meth) acrylate, 1 Fluorinated acrylic acid such as 1,1-dihydroperfluorodecyl (meth) acrylate Ster; Compounds having a hydroxyl group such as 1-hydroxypropyl (meth)
- Arukirubi - ketone Arukirubi - ketone; Bulle E chill ether, ⁇ Li Butyl and aromatic ethers such as styrene, ⁇ -methylstyrene, chlorostyrene and butyltoluene; cyanided butyl compounds such as acrylonitrile and metaatari nitrile; ethylene, propylene, butene, and butyl chloride; Bilidene chloride, Kka Bulle, hydrofluoric mold - isopropylidene, acetic Bulle, propionic acid Bulle, Al Kirufumareto and the like.
- crosslinkable compound examples include a gen-based compound, a (meth) acrylate having a dihydrodicyclopentagel group, an ethylenically unsaturated compound having an epoxy group, and an ethylenically unsaturated compound containing an active nodogen.
- examples include compounds, ethylenically unsaturated compounds having a carboxyl group, and ethylenically unsaturated compounds having an active hydrogen group.
- Examples of the urethane-based polymer include those obtained by reacting an organic diisocyanate, a polymer diol, and a chain extender.
- organic diisocyanates examples include 4,4'-diphenylmethane diisocyanate, tolylene diisocyanate, 1,5-naphthylene diisocyanate, xylylene diisocyanate, phenylene diisocyanate, Aromatic diisocyanates such as 3, dichloro-4,4, diphenylmethanediisocyanate; hexamethylenediisocyanate, isophoronediisocyanate, 4,4, dicyclohexylmethanediisocyanate, water Examples thereof include aliphatic or alicyclic diisocyanates such as added xylylene diisocyanate. These organic disocyanates can be used alone or in combination of two or more.
- polymer diol examples include polyester diol, polyether diol, polycarbonate diol, polyester polycarbonate diol, polyesternopolyether diol and the like.
- the polyester diols include aliphatic polyester diols obtained by the reaction of aliphatic diols with aliphatic dicarboxylic acids or their ester-forming derivatives. And aromatic polyester diols obtained by the reaction of all, aliphatic diols with aromatic dicarboxylic acids or their ester-forming derivatives.
- the polyether diol include polyethylene glycol, polypropylene glycol, polytetramethylene glycol, and a block copolymer thereof.
- examples of the polycarbonate diol include a polycarbonate diol obtained by reacting an aliphatic diol and a carbonate compound, a polycarbonate diol obtained by reacting an aromatic diol such as bisphenol A and a carbonate compound, and the like. Can be These polymer diols can be used alone or in combination of two or more.
- the chain extender is, for example, a low molecular weight compound having a molecular weight of 300 or less having at least two active hydrogen atoms capable of reacting with an isocyanate group, for example, ethylene glycol, propylene glycol, and 1,4-butanediol.
- Diols such as 1,6-hexanediol, 1,4-bis (j8-hydroxyethoxy) benzene, 1,4-cyclohexanediol, bis (j8-hydroxyethyl) terephthalate, xylylene glycol;
- Diamines such as hydrazine, ethylenediamine, propylenediamine, xylylenediamine, isophoronediamine, piperazine and derivatives thereof, phenylenediamine, tolylenediamine, xylenediamine, dihydrazine adipate and dihydrazine isophthalate, and aminoethyl alcohol Amino, such as aminopropyl alcohol And rucols. These can be used alone or in combination of two or more.
- polyamide polymer examples include a hard segment having polyamide strength, and a soft segment having strength such as polyester, polyether, polyester or polyether, and a copolymer also having strength.
- polyamide segment examples include ⁇ -aminocaproic acid, ⁇ aminoenanthic acid, ⁇ -aminopuronic acid, ⁇ -aminopergonic acid, ⁇ -aminopuronic acid, 11-aminoundecanoic acid, and 12-aminododecanoic acid.
- the polyester segment includes a segment derived from a hydroxycarboxylic acid such as ⁇ -oxycaproic acid; a rataton force such as ⁇ - force prolatataton; a segment derived from glutaric acid, adipic acid, pimelic acid, suberic acid, and azelaine Acid, sebacic acid, dodecane diacid, terephthalic acid, isophthalic acid, orthophthalic acid, naphthalene 2,6-dicarboxylic acid, diphenyl-4,4'-dicarboxylic acid, dicarboxylic acid component such as diphenoxyethane dicarboxylic acid, and ethylene Glycol, diethylene glycol, triethylene glycol, tetraethylene glycolone, 1,2-propylene glycol, 1,3 propylene glycol, 1,4-butanediol, 1,3 butanediol, neopentyl glycol, 1,5 pentanediol,
- polyether segment examples include segments such as polymethylene glycol, polyethylene daricol, polypropylene glycol, polytetramethylene glycol, and polyhexamethylene glycol.
- the polyester polyether segment includes a dicarboxylic acid component of the polyesterol segment described above and a diol component such as polymethylene glycol, polyethylene glycol, polypropylene glycol, polytetramethylene glycol, and polyhexamethylene glycol. And the like derived from the following.
- polyester-based polymer polyester such as polybutylene terephthalate is used as a hard segment, and polytetramethylene glycol ether (PTMG), PTMEGT (P Polyester with polyether as soft segment such as condensate of TMG and terephthalic acid).
- PTMG polytetramethylene glycol ether
- PTMEGT polytetramethylene glycol ether
- Polyether type polymer Polyester with polyester as hard segment and polyester as soft segment with aliphatic polyester such as polyacrylamide Polymers and the like.
- Examples of the fluorine-based polymer include a polymer obtained from a monomer containing vinylidene fluoride.
- Examples of the other monomer include perfluorovinyl ether, tetrafluoroethylene, propylene having a hexanoleoole, ethylene having a chlorotrinoleo mouth, ethylene, propylene, a crosslinkable compound, and the like.
- the polymer contained in the flexible polymer composition a diene polymer and an olefin polymer are preferable. These can form a molded article having transparency by adopting the specific structure as described above.For example, even when they are adhered to transparent glass, plastic, etc.
- the polymer contained in the flexible polymer composition according to the present invention may be an ethylene / butyl acetate copolymer, a styrene-based polymer, a polycarbonate, or a polyacetal, in addition to the polymer exemplified above.
- polymers such as epoxy polymers can be used in any combination.
- the flexible polymer composition according to the present invention may be only the polymer exemplified above, or may contain additives and the like within a range that does not impair the transparency of the molded article. It may be.
- Additives include softeners, plasticizers, lubricants, crosslinking agents, crosslinking aids, antioxidants, anti-aging agents, heat stabilizers, flame retardants, antibacterial and fungicide agents, weathering agents, ultraviolet absorbers, Examples include a tackifier, a nucleating agent, a pigment, a dye, an organic filler, an inorganic filler, a silane coupling agent, and a titanium coupling agent.
- the transparent sealing material for an organic EL device of the present invention has not only transparency but also flexibility.
- the case where the polymer contained in the flexible polymer composition alone is used as a transparent encapsulant for an organic EL device and at least a part of the polymer contained in the flexible polymer composition Is sometimes crosslinked to form a transparent sealing material for organic EL devices. In the latter case, by having a crosslinked structure, heat resistance is further improved.
- a crosslinking agent is used. For example, organic peroxides, sulfur, sulfur-containing compounds and the like can be mentioned.
- organic peroxides examples include t-butylamino, peroxides at the mouth, 1,1,3,3-tetramethylbutyl peroxide, peroxides at the ⁇ -menthanide mouth, peroxides at the cumenehydride, peroxides at the diisopropylbenzene hydride.
- Oxide 2,5-dimethylhexane 2,5-dihydroxide peroxide, 1,1-di-tert-butylperoxy 3,3,5-trimethylcyclohexane, di-tert-butyl peroxide, t-butyl tamyl peroxide, dik Milperoxide, 1,1 bis (t-butylperoxy) cyclododecane, 2,2-bis (t-butylperoxy) octane, 1,1-di-t-butylperoxycyclohexane, 2,5-dimethyl-2,5-di- (t Butylperoxy) hexane, 2,5 dimethyl-2,5-di (t-butylperoxy) hexine, 1,3 bis t-butylperoxyisopropyl) benzene, 2,5 dimethyl-2,5-di (benzoylperoxy) hexane, 1,1 bis (t-butylperoxy)
- Metal ions, metal compounds and the like can be used.
- This metal ion also means ions of the elements exemplified below and ions of a metal compound containing this element.
- the metals include lithium, sodium, potassium, aluminum, magnesium, calcium, norium, cesium, strontium, rubidium, titanium, zinc, copper, iron, tin, lead, and zirconium.
- Group I-VIII elements and the like.
- the ions containing these elements have an ionic bond to the functional group in the random copolymer obtained above.
- a crosslinked structure can be formed between the bodies.
- the substance for converting the metal compound into an ion include oxides, hydroxides, salts, complexes (metal carboxylate, metal acetyl acetonate, etc.) of each metal, and organic compounds containing a metal element (carbon The number is selected from 118 and an alkoxide containing a metal element, etc.).
- the amount of the substance to be used as the ion is determined by the amount of the substance formed from the cyclic conjugate formed in the copolymer obtained using the cyclic compound represented by the general formula (1).
- the amount is preferably 0.01 to 50 equivalents, more preferably 0.1 to 10 equivalents, and particularly preferably 0.2 to 5 equivalents, per 1 equivalent of the unit. If the amount of the substance used for forming the ions is too small, the obtained molded article tends to have low mechanical strength and heat resistance due to a low crosslink density or a constrained point density. On the other hand, if the amount is too large, the obtained molded article may have a high crosslinking density or a high constraint point density, and may have too high a hardness to be brittle.
- a metal salt of an organic acid such as a carboxylic acid may be added as a surfactant in order to improve the water content.
- a metal salt of the carboxylic acid it is preferable to use a metal salt of a monovalent carboxylic acid having 3 to 23 carbon atoms! /.
- the metal element in the metal salt used as the activator may be selected from the metal elements constituting the substance for forming the ions, and may be the same as the metal element constituting the substance for forming the ions. It is preferable to use a metal salt containing an element.
- the flexible polymer composition contains a liquid substance in order to obtain a molded article having more improved flexibility.
- Examples of the softener include natural or synthetic petroleum softeners such as paraffinic oils, mineral oil softeners such as ethylene a-olefine oligomers, and Gilsonite, oleic acid, and ricinol. And fatty acids such as acids.
- Examples of the plasticizer include phthalic acid derivatives, isophthalic acid derivatives, tetrahydrophthalic acid derivatives, adipic acid derivatives, sebacic acid derivatives, fumaric acid derivatives, citrate derivatives, azelaic acid derivatives, phosphoric acid derivatives, and maleic acid derivatives. Fatty acid derivatives and the like.
- the lubricant examples include a paraffin-based lubricant, a hydrocarbon-based lubricant, and a metal soap.
- the liquid polymer examples include liquid polybutadiene, liquid rubber such as liquid styrene-butadiene rubber, polyisobutylene, and silicone oil. The liquid substances exemplified above can be used alone or in combination of two or more.
- the amount of the liquid substance used is preferably 50-5000 parts by mass, more preferably 50-4000 parts by mass, when the total amount of the polymer contained in the flexible polymer composition is 100 parts by mass. Parts, more preferably 50-3000 parts by weight, particularly preferably 70-2000 parts by weight. If the amount of the liquid substance is less than 50 parts by mass, a molded article having a desired elastic modulus may not be obtained. On the other hand, if the amount of the liquid material exceeds 5000 parts by mass, the liquid material may ooze out of the molded body, and it may be difficult to maintain transparency.
- molded article having a desired shape can be obtained by a known method such as extrusion molding or injection molding.
- the resulting molded article has excellent transparency, and when the thickness is 0.5 mm, the haze is preferably less than 5%, more preferably 4.5% or less, and further preferably 4% or less.
- the total light transmittance of the obtained molded body is preferably 90% or more, more preferably 91% or more, and further preferably 92% or more.
- the above total light transmittance can be obtained in a wide temperature range, for example, -100 to 110 ° C, preferably -50 to 100 ° C. The method for measuring the haze and the total light transmittance will be described later.
- the shear storage modulus (G ') obtained by dynamic viscoelasticity measurement at 30 ° C and 1 Hz of the obtained molded body is preferably 1 X It is more preferably at most 1 ⁇ 10 8 dynZcm 2 , still more preferably at most 1 ⁇ 10 6 dynZcm 2 , usually at least IdynZcm 2 .
- the shear storage modulus Will be described later.
- the obtained molded body is also excellent in heat resistance.
- the obtained molded body preferably has flexibility, transparency and shape retention at 80 to 110 ° C, more preferably -50 to 100 ° C.
- the transparent sealing material for an organic EL element of the present invention has the above-mentioned properties, and thus is suitable for sealing at least the entire light emitting element and further filling a space surrounding the light emitting element.
- the shape of the transparent encapsulant for an organic EL device of the present invention is not limited, and can be adapted to the shape of a space portion. Further, it may be a thin body having a thin portion, and may be a plate-like body, a concave body, or the like. In this case, the thickness of the thinnest portion is preferably 20 OO / zm or less, more preferably 0.1 to 2000 m, still more preferably 0.1 to 1000 m, and particularly preferably 0.1 to 500 m. m, more preferably 0.1 to 100 m.
- the transparent sealing material for an organic EL element of the present invention can be provided, for example, at a predetermined position of the EL display panel 1 shown in Fig. 1. That is, in the embodiment shown in FIG. 1, the transparent sealing material 2 for the organic EL element is such that the light emitting surface (upper part in FIG. 1) of the light emitting element 3 (the components 31 to 34 in FIG. 1) and the sealing member FIG. 4 is an explanatory view in which both spaces are closely attached so as to fill a space between 4; As described above, the transparent sealing material for an organic EL element of the present invention is excellent in flexibility, so that it can be adhered to sufficiently seal the light emitting element, thereby improving the visibility of an image. I do.
- the transparent sealing material for an organic EL device of the present invention can be used in the form shown in FIG. That is, the light-emitting surface (the upper part in FIG. 2) of the light-emitting element (the component members 31 to 34 in FIG. 1) and the sealing member 4 (the shape in FIG. 2) are sometimes referred to as “sealing cans”. ) Can be arranged to fill the space between them.
- the method of using the transparent encapsulant for an organic EL device of the present invention is not limited to the embodiments shown in FIGS. 1 and 2, but the above-described properties can be maintained for a long time in any arrangement method. Can be maintained. That is, the transparent sealing material for an organic EL device of the present invention does not deteriorate with the use time, and furthermore is less likely to damage the light emitting device or generate a dark spot.
- the sealing member (No. 4 in FIGS. 1 and 2) is used for displaying the display contents of the display panel. Any material may be used as long as it does not significantly impair visibility.
- a material forming the sealing member for example, glass, resin, or the like can be used.
- the glass include borosilicate glass, aluminosilicate glass, aluminoborosilicate glass, silica glass, low alkali glass, and soda-lime glass.
- the resin include a polycarbonate resin, a polyacetal resin, and 1,2-polybutadiene resin, preferably an ethylene / vinyl acetate copolymer containing at least 3% by mass of a vinyl acetate unit, polyethylene, or polypropylene.
- Fluorine resin such as olefin resin, styrene resin, acrylic resin, vinyl ester resin, saturated polyester resin, polyamide resin, polyvinylidene fluoride, etc., urethane resin Fats, epoxy resins, unsaturated polyester resins, silicone resins, and the like.
- the shape of the sealing member may be a plate shape as shown in FIG. 1 or a lid-like shape which covers the light emitting member and the like as shown in FIG.
- the reaction solution was stirred into water, and the solvent was removed by steam distillation to obtain a hydrogen-added block polymer A1.
- the hydrogenated block polymer A1 thus obtained had a hydrogenated caloric ratio of 99%, a weight average molecular weight of 340,000, a butadiene polymer block in the first stage of the polymer before hydrogenation having a Bull bond content of 15%, and a polymer before hydrogenation. In the second stage, the butadiene polymer block had a Bull bond content of 49%.
- the reaction solution was stirred into water and the solvent was removed by steam distillation to obtain a hydrogen-added block polymer A2.
- the hydrogenated block polymer A2 thus obtained had a hydrogenation calorific value of 98%, a weight-average molecular weight of 290,000, a butadiene polymer block in the first stage of the polymer before hydrogenation having a Bull bond content of 14%, and a polymer before hydrogenation.
- the butadiene polymer block of the second stage had a Bull bond content of 35%.
- the reaction solution was stirred into water and the solvent was removed by steam distillation to obtain a hydrogen-added block polymer A3.
- the hydrogenated block polymer A3 thus obtained had a hydrogenation calorie of 99%, a weight average molecular weight of 300,000, a butadiene polymer block in the first stage of the pre-hydrogenation polymer having a Bull bond content of 15%, and a pre-hydrogenation polymer. In the second stage, the butadiene polymer block had a Bull bond content of 78%.
- I 2 '5 l 7.' 10] - includes 0.3 mol% of structural units you from 3-dodecene, weight average molecular weight (Mw) 16.0 after the functional group-containing Orefin copolymer 100 parts is X 10 4 were dissolved in 1000 parts of toluene, towards the functional groups one equivalent of the functional group-containing O-les fin-based copolymer, 1 equivalent of zirconium (IV ) Butoxide (using 85% 1-butanol solution (manufactured by Wako Pure Chemical Industries, Ltd.)) was added, and the mixture was stirred at 80 ° C for 1 hour, and then toluene was removed by drying to obtain a polymer A5.
- Mw weight average molecular weight
- B2 a mineral oil-based softening agent having a kinematic viscosity at 40 ° C. of 95.54 mm 2 Zs (trade name “PW-90” manufactured by Idemitsu Kosan Co., Ltd.).
- thermoplastic polyurethane manufactured by Kuraray Co., Ltd., trade name “Kuramilon U1190”) A6 was used.
- a thin-walled body with a thickness of 0.5 mm is sandwiched between two 0.7 mm-thick melt-formed aluminoic acid thin glass sheets (Corning 1737, trade name, manufactured by Corning Co., Ltd.).
- the light transmittance (%) and the haze (%) were measured by a total light transmittance haze measuring device (trade name “Haze-gard plus 4725” manufactured by BYK-Gardner).
- the transparency was evaluated as “ ⁇ ” when the haze was less than 5% and excellent in transparency, and “X” when the haze was 5% or more and poor in transparency.
- the printed matter was brought into close contact with a 500 m-thick transparent sealing material for an organic EL device, and the visibility of the printed matter was visually determined. A good case was marked with “ ⁇ ” and a bad case was marked with “X”.
- the shear storage modulus (G ') and tan ⁇ were measured with a dynamic viscoelasticity measuring device (“MR-500” manufactured by Rheology Co., Ltd.) at a temperature of 30 ° C. and 1 Hz. G, at 70 ° C, 1Hz was also measured. When the shear storage modulus exceeded 2,000,000, the flexibility was poor, and when it was 2,000,000 or less, the flexibility was evaluated as excellent.
- MR-500 dynamic viscoelasticity measuring device
- a light-emitting element 3 having an anode layer 32 on a substrate 31 made of insulating transparent glass, having a light-emitting layer 33 on the upper surface, and further having a cathode layer 34 on the upper surface was produced (see FIG. 3).
- the 500 ⁇ m-thick transparent encapsulating material 2 for an organic EL device which also produced the above-mentioned flexible polymer composition (i) was allowed to stand on the upper surface of the cathode layer 34 of the light-emitting device 3.
- an insulating transparent glass as a sealing member 4 was set on the upper surface of the transparent sealing material 2 for an organic EL element, and a model of an EL display panel was produced (see FIG. 1).
- the flexible polymer composition is excellent in flexibility and the space created inside the EL display panel can be brought into close contact with no gap, it is regarded as excellent in sealing property, and the mark “ ⁇ ” indicates that the flexible polymer composition is excellent.
- the material was inferior in flexibility and could not be adhered without any voids generated inside the EL display panel, it was marked as "X" because of poor sealing performance.
- the above model was heated at 80 ° C. for 100 hours, and then cooled to room temperature (25 ° C.). Then, the light emitting element was activated, and a dark spot (non-light emitting portion) was observed.
- a dark spot non-light emitting portion
- a transparent encapsulant for an organic EL device was obtained in the same manner as in Example 1 using the above flexible polymer composition (ii) (vi) and (viii). Each transparent sealing material for an organic EL device was evaluated in the same manner as in Example 1. Table 2 shows the results.
- Comparative Example 1 was inferior in transparency, so that the image visibility was poor. The area of the dark spot has also increased.
- Examples 19 to 19 were all excellent in transparency and flexibility, and were able to fill the space created inside the EL display panel in close contact with no gap. In each of Examples 19 to 19, the occurrence of dark spots with high image visibility was sufficiently suppressed.
- the transparent sealing material for an organic EL device of the present invention has high visibility and can be suitably used for an organic EL display panel.
- the transparent sealing material for an organic EL element of the present invention can be used for a mobile phone, a portable information terminal, a desktop computer, a notebook computer, a television, an in-vehicle information device, a clock, and the like.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Electroluminescent Light Sources (AREA)
- Sealing Material Composition (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20040791986 EP1670292A4 (en) | 2003-10-03 | 2004-10-01 | TRANSPARENT SEAL MATERIAL FOR ORGANIC EL DEVICE |
CN2004800287792A CN1864438B (zh) | 2003-10-03 | 2004-10-01 | 有机el元件用透明密封材料 |
US10/573,654 US20080220245A1 (en) | 2003-10-03 | 2004-10-01 | Transparent Sealing Material For Organic El Device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003346262 | 2003-10-03 | ||
JP2003-346262 | 2003-10-03 |
Publications (1)
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WO2005034583A1 true WO2005034583A1 (ja) | 2005-04-14 |
Family
ID=34419502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/014519 WO2005034583A1 (ja) | 2003-10-03 | 2004-10-01 | 有機el素子用透明封止材 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080220245A1 (ja) |
EP (1) | EP1670292A4 (ja) |
KR (1) | KR20060090692A (ja) |
CN (1) | CN1864438B (ja) |
TW (1) | TW200515829A (ja) |
WO (1) | WO2005034583A1 (ja) |
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US20080057302A1 (en) * | 2003-10-09 | 2008-03-06 | Jsr Corporation | Elastomer Films And Process For Production Thereof |
KR100707602B1 (ko) | 2005-10-20 | 2007-04-13 | 삼성에스디아이 주식회사 | 유기 전계 발광 표시장치 및 그의 제조방법 |
DE102009023350A1 (de) * | 2009-05-29 | 2010-12-02 | Osram Opto Semiconductors Gmbh | Elektronisches Bauelement und Verfahren zur Herstellung eines elektronischen Bauelements |
JP5946985B2 (ja) * | 2010-01-15 | 2016-07-06 | 株式会社ブリヂストン | 光硬化性樹脂組成物及び発光素子封止材 |
CN103270618B (zh) | 2010-08-13 | 2016-08-10 | 德莎欧洲公司 | 封装电子装置的方法 |
JP5510622B1 (ja) * | 2012-05-25 | 2014-06-04 | 日本ゼオン株式会社 | 合わせガラス、及びブロック共重合体水素化物を合わせガラスの接着剤として使用する方法 |
KR20130134878A (ko) * | 2012-05-31 | 2013-12-10 | 제일모직주식회사 | 유기발광장치 및 유기발광장치용 점착 필름 |
KR102128239B1 (ko) * | 2012-10-29 | 2020-06-30 | 린텍 가부시키가이샤 | 점착제 조성물 및 점착 시트 |
TWI632212B (zh) * | 2012-11-30 | 2018-08-11 | 日商琳得科股份有限公司 | Substance composition, subsequent sheet and electronic device |
JPWO2014084350A1 (ja) * | 2012-11-30 | 2017-01-05 | リンテック株式会社 | 接着剤組成物、接着シートおよび電子デバイス |
WO2014084351A1 (ja) * | 2012-11-30 | 2014-06-05 | リンテック株式会社 | 接着剤組成物、接着シートおよび電子デバイス |
WO2014091941A1 (ja) | 2012-12-10 | 2014-06-19 | 日本ゼオン株式会社 | 有機エレクトロニクスデバイス封止用樹脂組成物、及び有機エレクトロニクスデバイス |
JP5480359B1 (ja) * | 2012-12-25 | 2014-04-23 | 古河電気工業株式会社 | 有機エレクトロルミネッセンス素子封止用透明樹脂組成物、有機エレクトロルミネッセンス素子封止用樹脂シート、及び画像表示装置 |
JP5442147B1 (ja) | 2013-03-19 | 2014-03-12 | 古河電気工業株式会社 | 有機エレクトロルミネッセンス素子封止用透明樹脂組成物、有機エレクトロルミネッセンス素子封止用樹脂シート、及び画像表示装置 |
JP5503770B1 (ja) * | 2013-03-29 | 2014-05-28 | 古河電気工業株式会社 | 封止剤組成物および該組成物から得られる封止用シート |
KR101593743B1 (ko) * | 2013-04-05 | 2016-02-12 | 제일모직주식회사 | 유기발광소자 충진제용 접착필름 및 이를 포함하는 유기발광장치 |
US9287522B2 (en) | 2013-07-30 | 2016-03-15 | Global Oled Technology Llc | Local seal for encapsulation of electro-optical element on a flexible substrate |
US9494792B2 (en) | 2013-07-30 | 2016-11-15 | Global Oled Technology Llc | Local seal for encapsulation of electro-optical element on a flexible substrate |
US9385342B2 (en) | 2013-07-30 | 2016-07-05 | Global Oled Technology Llc | Local seal for encapsulation of electro-optical element on a flexible substrate |
JP6277142B2 (ja) * | 2015-02-02 | 2018-02-07 | 富士フイルム株式会社 | 機能性複合フィルムおよび量子ドットフィルム |
JPWO2017159589A1 (ja) | 2016-03-18 | 2019-01-24 | 日本ゼオン株式会社 | 有機エレクトロニクスデバイス封止体の製造方法 |
EP3515703A1 (en) * | 2016-09-21 | 2019-07-31 | 3M Innovative Properties Company | Protective display film with glass |
US20220154054A1 (en) * | 2019-02-28 | 2022-05-19 | Lg Chem, Ltd | Encapsulation film |
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Also Published As
Publication number | Publication date |
---|---|
EP1670292A4 (en) | 2010-10-06 |
KR20060090692A (ko) | 2006-08-14 |
CN1864438A (zh) | 2006-11-15 |
TW200515829A (en) | 2005-05-01 |
US20080220245A1 (en) | 2008-09-11 |
CN1864438B (zh) | 2010-04-28 |
EP1670292A1 (en) | 2006-06-14 |
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