WO2013009150A9 - 높은 광추출 성능을 갖는 무기미립자 산란막 - Google Patents
높은 광추출 성능을 갖는 무기미립자 산란막 Download PDFInfo
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- WO2013009150A9 WO2013009150A9 PCT/KR2012/005635 KR2012005635W WO2013009150A9 WO 2013009150 A9 WO2013009150 A9 WO 2013009150A9 KR 2012005635 W KR2012005635 W KR 2012005635W WO 2013009150 A9 WO2013009150 A9 WO 2013009150A9
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- inorganic fine
- fine particle
- inorganic
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- NOKUWSXLHXMAOM-UHFFFAOYSA-N hydroxy(phenyl)silicon Chemical class O[Si]C1=CC=CC=C1 NOKUWSXLHXMAOM-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-M isovalerate Chemical compound CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 description 1
- 239000005055 methyl trichlorosilane Substances 0.000 description 1
- 239000005048 methyldichlorosilane Substances 0.000 description 1
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- KBXJHRABGYYAFC-UHFFFAOYSA-N octaphenylsilsesquioxane Chemical compound O1[Si](O2)(C=3C=CC=CC=3)O[Si](O3)(C=4C=CC=CC=4)O[Si](O4)(C=5C=CC=CC=5)O[Si]1(C=1C=CC=CC=1)O[Si](O1)(C=5C=CC=CC=5)O[Si]2(C=2C=CC=CC=2)O[Si]3(C=2C=CC=CC=2)O[Si]41C1=CC=CC=C1 KBXJHRABGYYAFC-UHFFFAOYSA-N 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- FUBACIUATZGHAC-UHFFFAOYSA-N oxozirconium;octahydrate;dihydrochloride Chemical compound O.O.O.O.O.O.O.O.Cl.Cl.[Zr]=O FUBACIUATZGHAC-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000005054 phenyltrichlorosilane Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001709 polysilazane Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- YGSFNCRAZOCNDJ-UHFFFAOYSA-N propan-2-one Chemical compound CC(C)=O.CC(C)=O YGSFNCRAZOCNDJ-UHFFFAOYSA-N 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- ZOYFEXPFPVDYIS-UHFFFAOYSA-N trichloro(ethyl)silane Chemical compound CC[Si](Cl)(Cl)Cl ZOYFEXPFPVDYIS-UHFFFAOYSA-N 0.000 description 1
- ORVMIVQULIKXCP-UHFFFAOYSA-N trichloro(phenyl)silane Chemical compound Cl[Si](Cl)(Cl)C1=CC=CC=C1 ORVMIVQULIKXCP-UHFFFAOYSA-N 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- IINACGXCEZNYTF-UHFFFAOYSA-K trichloroyttrium;hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Y+3] IINACGXCEZNYTF-UHFFFAOYSA-K 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- QBAZWXKSCUESGU-UHFFFAOYSA-N yttrium(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Y+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O QBAZWXKSCUESGU-UHFFFAOYSA-N 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/7684—Smoothing; Planarisation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0091—Scattering means in or on the semiconductor body or semiconductor body package
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24364—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.] with transparent or protective coating
Definitions
- the present invention exhibits a high light extraction effect through the light scattering effect by forming an inorganic fine particle layer containing voids on the light emitting device interface or a transparent substrate, and excellent flatness and hardness by forming a flattening layer on the inorganic fine particle layer
- the present invention relates to an inorganic fine particle scattering film and a method for producing the same.
- reflection loss occurs in the light output due to a difference in refractive index at the light emitting device interface when light is emitted.
- a method of increasing the light output by scattering is formed by forming an anti-reflection film on the surface or a transparent substrate or by etching the surface to form irregularities.
- the antireflection film is formed of a multilayer film (a high refractive index layer, an intermediate refractive index layer, and a low refractive index layer) consisting of a transparent thin film layer containing a plurality of metal oxides, and the transparent thin film layers are stacked on each other and have different refractive indices.
- a binder resin is used as a matrix for forming the film.
- the refractive index of each layer is appropriately adjusted by selecting the type and amount of the inorganic particles used therein.
- inorganic fine particles having a high refractive index are required, and it is very important to uniformly disperse the inorganic fine particles having a high refractive index in a matrix having sufficient film strength without aggregation.
- the low reflection surface structure by scattering has a high light extraction effect because the light emitted from the light emitter is reflected at the interface to minimize the loss of the conversion back to the light emitting device.
- the low reflection film due to scattering is suitable for application to solar cells as well as light emitting devices. That is, various solutions have been proposed for disturbing the substrate-air interface (eg, microlens or roughened surface) to affect light reaching the interface.
- various solutions have been proposed for disturbing the substrate-air interface (eg, microlens or roughened surface) to affect light reaching the interface.
- a study on forming a film of low reflection surface by light scattering by forming irregularities or nanowires on the surface of a light emitting device, or some research on corrugating electrode structures M. Fujita, et al .; Jpn. J.
- the refractive index of the components of the light scattering layer satisfies the relationship Nf 2 >Nb> Nf 1 , and light scattering occurs due to the difference in refractive index between the three components.
- Nf 2 >Nb> Nf 1 the refractive index of the components of the light scattering layer
- Korean Patent Application Publication 10-2010-0138939 introduces a silicon oxide base scattering glass plate formed by forming pores in high refractive glass.
- a scattering glass plate can not be applied directly to the surface of the light emitting device, there is a problem that is not appropriately applied to the substrate of various shapes and shapes.
- the present inventors were able to maximize the light scattering effect by introducing inorganic oxide particles (eg, refractive index of 1.7 or more) having a larger refractive index than voids (refractive index-1) as scattering particles. That is, by preparing a nano-sized high refractive index fine particle powder, and forming it as an inorganic compound nanoparticle film having pores by coating on the surface of the light emitting body or substrates of various shapes and shapes, an optical thin film having a high light extraction effect by light scattering Invented.
- inorganic oxide particles eg, refractive index of 1.7 or more
- voids reffractive index-1
- the inventors of the present invention have invented an inorganic fine particle scattering film that exhibits excellent flatness and hardness by forming a flattening layer on the inorganic fine particle layer, and thus does not have a detrimental effect on the electric field and electrical conductivity of the device.
- An object of the present invention is to provide an inorganic fine particle scattering film excellent in light extraction effect.
- Another object of the present invention is to provide an inorganic fine particle scattering film having excellent flatness and hardness.
- Still another object of the present invention is to provide a method for preparing the inorganic fine particle scattering film.
- Inorganic fine particle scattering film according to the present invention is a scattering film for improving light extraction, the inorganic fine particle layer comprising a void; And a planarization layer for protecting and planarizing the inorganic fine particle layer.
- the refractive index of the inorganic fine particles of the inorganic fine particle layer is 1.7 or more, preferably 1.7 to 3.0.
- the inorganic fine particles of the inorganic fine particle layer is Li, Be, B, Na, Mg, Si, K, Ca, Sc, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Mo, Cs, Ba, La, Hf, W, Tl, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, A metal oxide containing a metal selected from the group consisting of Ti, Sb, Sn, Zr, Ce, Ta, In, and combinations thereof.
- the metal oxide is zirconium oxide (zirconium oxide, ZrO 2 ); Hafnium oxide (HfO 2 ); Tantalium oxide (Ta 2 O 5 ); Titanium dioxide (TiO 2 ); Yttrium oxide (Y 2 O 3 ); Zinc oxide (ZnO); Zirconium oxide stabilized or partially stabilized with yttrium oxide, magnesium oxide (MgO), calcium oxide (CaO) or cerium oxide (CeO 2 ) (Y 2 O 3 -ZrO 2 , MgO- ZrO 2 , CaO-ZrO 2 , CeO 2 -ZrO 2 ) and mixtures thereof.
- the metal oxide is zirconium oxide stabilized or partially stabilized by yttrium oxide.
- the average particle size (D 50 ) of the inorganic fine particles of the inorganic fine particle layer is 1nm to 1 ⁇ m, preferably 5nm to 500nm.
- the planarization layer is an organic coating film formation
- the organic coating film formation is a polyacrylic resin, polyimide resin or a mixture thereof.
- the planarization layer is an inorganic coating film formation, and the inorganic coating film formation includes silicon compounds.
- the silicon compound comprises silica, organosilicon, silicate or mixtures thereof.
- the inorganic coating film formation further comprises a compound comprising Al, B, Li or Pb.
- the thickness of the inorganic fine particle scattering film is 100nm to 30 ⁇ m.
- the surface flatness Ra of the inorganic fine particle scattering film is 1 nm to 10 nm.
- the surface hardness of the inorganic fine particle scattering film is 3H to 9H.
- Method for producing an inorganic fine particle scattering film comprises the steps of providing a substrate; Preparing an inorganic fine particle layer containing pores on the substrate; And preparing a planarization layer on the inorganic fine particle layer.
- the step of preparing an inorganic fine particle layer containing pores on the substrate is a step of applying a composition for coating the inorganic fine particles containing the inorganic fine particles and a solvent on the substrate; And heating the inorganic fine particle coating composition to remove the solvent and to form an inorganic fine particle layer including pores.
- the step of preparing a planarization layer on the inorganic fine particle layer may include coating and thermally curing the organic polymer thin film on the inorganic fine particle layer.
- the step of preparing a planarization layer on the inorganic fine particle layer is a step of applying a composition for forming an inorganic coating film on the inorganic fine particle layer; Removing the solvent from the composition for forming an inorganic coating film; And forming a planarization layer by heat treatment, electron beam treatment, or ultraviolet treatment of the composition for forming the inorganic coating film from which the solvent is removed.
- the composition for forming the inorganic coating film is a silane (siloxane), siloxane (siloxane), silsesquioxane (silsesquioxane), silicate (silicate), silanol (silanol), silazane (silazane) and Compounds and solvents selected from the group consisting of mixtures thereof.
- the inorganic coating film forming composition further comprises a compound containing Al, B, Li or Pb.
- spin coating, dip-coating, slot-coating the inorganic fine particle coating composition, the organic coating film forming composition or the inorganic coating film forming composition Or screen printing.
- Glass, a light emitting device, a solar cell substrate, an organic polymer film or an illumination element according to the present invention includes the inorganic fine particle scattering film.
- the inorganic fine particle scattering film according to the present invention has excellent light extraction effect, flatness and hardness, and can be applied to various fields such as an image display device, an illumination element, a solar cell, and the like.
- FIG. 1 is a schematic view showing a cross section of an inorganic fine particle scattering film according to the present invention.
- FIG 2 is an electron micrograph (SEM) of the cross section of the inorganic fine particle scattering film according to the present invention.
- AFM Automatic Force Microscope
- TEM 8 is a transmission electron micrograph (TEM) of ZrO 2 nanopowder stabilized with Y 2 O 3 .
- FIG. 9 is an electron micrograph (SEM) of a cross section of an inorganic fine particle layer prepared in Example 2-3 having a thickness of 9.8 ⁇ m.
- Example 10 is an electron micrograph (SEM) of a cross section of the inorganic fine particle layer prepared in Example 2-3 having a thickness of 4.4 ⁇ m.
- FIG. 11 is an electron micrograph (SEM) of a cross section of an inorganic particulate layer prepared in Example 2-3 having a thickness of 1.8 ⁇ m.
- Inorganic fine particle scattering film according to the present invention is a scattering film for improving light extraction, the inorganic fine particle layer comprising a void; And a planarization layer for protecting and planarizing the inorganic fine particle layer.
- the refractive index of the inorganic fine particles of the inorganic fine particle layer is 1.7 or more, preferably 1.7 to 3.0.
- the inorganic fine particles of the inorganic fine particle layer is Li, Be, B, Na, Mg, Si, K, Ca, Sc, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Mo, Cs, Ba, La, Hf, W, Tl, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, A metal oxide containing a metal selected from the group consisting of Ti, Sb, Sn, Zr, Ce, Ta, In, and combinations thereof.
- the metal oxide is zirconium oxide (zirconium oxide, ZrO 2 ); Hafnium oxide (HfO 2 ); Tantalium oxide (Ta 2 O 5 ); Titanium dioxide (TiO 2 ); Yttrium oxide (Y 2 O 3 ); Zinc oxide (ZnO); Zirconium oxide stabilized or partially stabilized with yttrium oxide, magnesium oxide (MgO), calcium oxide (CaO) or cerium oxide (CeO 2 ) (Y 2 O 3 -ZrO 2 , MgO- ZrO 2 , CaO-ZrO 2 , CeO 2 -ZrO 2 ) and mixtures thereof.
- the metal oxide is zirconium oxide stabilized or partially stabilized by yttrium oxide.
- the average particle size (D 50 ) of the inorganic fine particles of the inorganic fine particle layer is 1nm to 1 ⁇ m, preferably 5nm to 500nm.
- the inorganic fine particles of the inorganic fine particle layer is prepared using a coprecipitation method.
- the inorganic fine particles are prepared by preparing an aqueous solution containing a metal oxide, adjusting the pH by mixing the aqueous solution with a catalyst, a solvent and a neutralizing agent to make a uniform precipitate by adjusting the reaction temperature, filtering the precipitate, It can be prepared from a series of processes including uniformly mixing through a washing step, adjusting the specific surface area and crystallinity through heat treatment conditions.
- the zirconium oxide stabilized or partially stabilized with yttrium oxide may be prepared by purifying an aqueous zirconia solution and an aqueous yttria solution, adjusting the pH and mixing the reaction temperature by mixing the aqueous solution with a catalyst, a solvent, and a neutralizer. It can be prepared from a series of processes including making a uniform precipitate, mixing the precipitate uniformly through filtration, washing with water, and adjusting specific surface area and crystallinity through heat treatment conditions.
- zirconyl chloride octahydrate ZrOCl 3 ⁇ 8H 2 O
- zirconyl nitrate hydrate ZrO (NO 3 ) 2 xH 2 O
- zirconium sulfate sulfate sulfate
- yttria yttrium nitrate hexahydrate (Y (NO 3 ) 3 .6H 2 O) or yttrium chloride hexahydrate (YCl 3 .6H 2 O).
- Neutralizers include ammonium hydroxide (NH 4 OH), ammonium carbonate (NH 4 ) 2 CO 3 ), ammonium bicarbonate (NH 4 HCO 3 ), sodium hydroxide (Sodium hydroxide, NaOH), At least one substance of potassium hydroxide (KOH) may be used.
- the raw materials are dissolved in an appropriate amount of raw materials in water and co-precipitated by dropping a catalyst in the filtered solution.
- the reaction temperature may be adjusted to control the particle size distribution and specific surface area of the ZrO 2 nanoparticles stabilized with Y 2 O 3 .
- the reaction temperature range can be synthesized at room temperature (20 ° C) to 100 ° C.
- the precipitate is separated from the powder and the liquid through a filtration process and then washed.
- the precipitate is dried for 24 hours at 100 °C to remove the moisture and then heat treated for 1 to 5 hours at a temperature range of 200 ⁇ 1100 °C can obtain a spherical powder of several nano to several tens of nanometers.
- nanoparticles having a particle size of 1 to 500 nm and specific surface area of 5 to 100 m 2 / g can be obtained.
- the shape, size and distribution of the formed particles can be observed through a scanning electron microscope (FE-SEM) and transmission electron microscope (TEM).
- the crystallinity of the particles can be observed through an X-ray diffractometer (XRD).
- the voids are formed between the inorganic fine particles when the inorganic fine particles are stacked.
- the size and amount of the pores can be adjusted according to the control of the inorganic particles, the size and shape is not limited.
- the inorganic fine particle layer may further include a coating film formation, such as a binder capable of fixing the surface of the inorganic fine particle layer.
- the inorganic fine particle layer composed of the inorganic fine particles prepared as described above is rough (Ra> 100 kPa), defects such as disconnection of the electrode directly coated thereon or distortion of the light emitting device may occur.
- the present invention provides an inorganic fine particle scattering film as a planarization layer including an inorganic particle having a high refractive index and an inorganic fine particle layer including voids having different refractive indices and a fixed material which is a material capable of flattening while fixing the structure. Configured. The above is illustrated in FIG. 1.
- planarization layer formation a sticky material capable of fixing the nanoparticles of the inorganic fine particle layer to the support is used, in order to fix the structure in which the light scattering nanoparticles and the pores are mixed and to secure the adhesion to the substrate, It is used to planarize and strengthen the surface of the light scattering film.
- the inorganic fine particle layer may have a flatness (Ra) value of 20 nm to 200 nm depending on the coating method or additives. In order to obtain lower flatness Ra, the planarization layer may be stacked and used. Surface flatness (Ra) is measured through AFM (Atomic Force Microscope).
- the inorganic fine particle layer has a weak surface hardness and the coating layer formation is laminated to prevent the scattering layer structure from being collapsed by physical force, thereby strengthening the mechanical strength of the inorganic fine particle structure as well as the surface. The mechanical strength of the surface is measured using the pencil hardness test method (KS-D-6711-92) and the surface hardness is measured using the MITSUBISHI pencil.
- the flatness Ra of the surface of the configured inorganic fine particle layer was roughly about 0.18 ⁇ m before laminating the deposit, and the surface flatness was lowered to 2 to 5 nm due to the lamination of the deposit.
- Surface flatness (Ra) was measured by AFM (Atomic Force Microscope), and the cross-sections of the inorganic particulate layer and the planarization layer were observed by scanning electron microscope (FE-SEM), and the results are shown in FIGS. 2 and 3. It was.
- the electron micrograph of FIG. 2 confirms that the cross section is laminated with the glass-inorganic fine particle layer-flattening layer, and it can be confirmed that the surface of the planarization layer is flat.
- the mechanical strength of the surface after lamination of the adherend was measured using a pencil hardness measurement method (KS-D-6711-92), and the surface hardness was measured using an MITSUBISHI pencil.
- the result of the inorganic fine particle layer has a surface hardness of about 6B, the hardness can be increased to 3H ⁇ 6H by adding a planarization layer (Fig. 3).
- the planarization layer is an organic coating film formation
- the organic coating film formation is a polyacrylic resin, polyimide resin or a mixture thereof.
- the planarization layer is an inorganic coating film formation.
- a spin on glass (SOG) process may be applied to manufacture the inorganic coating film formation.
- the inorganic coating film formation may include silicon compounds.
- the silicon compound comprises silica, organosilicon, silicate or mixtures thereof.
- the inorganic coating film formation further comprises a compound comprising Al, B, Li or Pb.
- planarization layer is an inorganic coating film formation
- some organic coating film formation is decomposed or denatured in a process in which high temperature or high energy is applied, such as chemical vapor deposition (CVD), during the manufacture of an organic light emitting diode (OLED). Can be effectively prevented.
- CVD chemical vapor deposition
- the planarization layer is a silica coating film formation
- the silica film formation is a main component of the hydrolysis product of the mixture comprising at least one of tetraalkoxysilane, monoalkoxysilane and dialkyldialkoxysilane It is formed by the step of applying a solution and heat treatment.
- the thickness of the inorganic fine particle scattering film is 100nm to 30 ⁇ m.
- the surface flatness Ra of the inorganic fine particle scattering film is 1 nm to 10 nm.
- the surface hardness of the inorganic fine particle scattering film is 3H to 9H.
- Method for producing an inorganic fine particle scattering film comprises the steps of providing a substrate; Preparing an inorganic fine particle layer containing pores on the substrate; And preparing a planarization layer on the inorganic fine particle layer.
- the step of preparing an inorganic fine particle layer containing pores on the substrate is a step of applying a composition for coating the inorganic fine particles containing the inorganic fine particles and a solvent on the substrate; And heating the inorganic fine particle coating composition to remove the solvent and to form an inorganic fine particle layer including pores.
- the inorganic fine particle layer by coating it is necessary to select the type and amount of the inorganic fine particles used therein to appropriately control the optical properties, and for this purpose, it is very important to uniformly disperse the inorganic fine particles without aggregation. That is, these materials are prepared in the form of nano-sized particles and dispersed in an organic solvent or water. The particles should be excellent in dispersion stability in the dispersed solution. To this end, a dispersant, a binder, a plasticizer, and the like together with the inorganic fine particles may be dissolved and used in a solvent.
- the organic solvent may be a single substance or a mixture thereof selected from alcohols, ethers, acetates, ketones or toluene.
- Acetone acetone, or ketones of acetone are used, but is not limited thereto.
- high boiling point solvents include N-methyl formamide, N, N-dimethyl formamide, N-methyl acetamide, N, N-dimethyl acetamide, N-methyl pyrrolidone, dimethyl sulfoxide or benzyl ethyl ether Solvents may be used.
- the method for producing an inorganic fine particle scattering film according to the present invention includes coating a layer of a material having a high refractive index on the surface of a light emitting device or a transparent substrate. Nanostructured features can be imparted within the organic material to create nanostructured surfaces. The planarization material may then be overcoated to form a planarization layer on the nanostructured surface.
- the inorganic fine particle coating composition may be applied to the surface of the light emitting device or the substrate by various methods such as spin coating, dip coating, slot coating, and screen printing.
- the spin coating method may be used to prepare the inorganic fine particle layer.
- the dispersion is applied onto a glass plate and then spin coated.
- the concentration of the inorganic material dispersion is controlled in the range of 5 ⁇ 50%, the spin speed during spin coating to coat the thin film under the conditions of 500 ⁇ 5000rpm.
- heat is applied at 100 ° C. for 30 seconds to stabilize the glass surface particles and dry the thin film surface.
- an organic or inorganic binder may be used to fix the surface structure of the inorganic fine particle layer including the voids.
- the porous substrate coated with the inorganic fine particle layer may be formed by drying to scatter the solvent and the organic additive to form a coating film, and then firing at a temperature of 250 to 700 ° C.
- the step of preparing a planarization layer on the inorganic fine particle layer may include coating and thermally curing the organic polymer thin film on the inorganic fine particle layer.
- an organic polymer thin film may be coated on the inorganic fine particle layer and subjected to thermal curing at 230 ° C. for 30 minutes.
- a spin on glass (SOG) process may be applied to manufacture the inorganic coating layer formation as the planarization layer.
- SOG process refers to a process of forming a silica insulating film by rotationally applying and heat-treating a glass melted with an organic solvent on a wafer surface, but may be applied somewhat differently in the present invention.
- Examples of the silicon compound that is the raw material of the SOG process include silane, siloxane, silsesquioxane, silicate, silanol, silazane, polysilazane ( Si, O, (N, H), a compound consisting of an alkyl group, an alkoxy group and the like), and the like, these may be used alone or in combination.
- such a silicone compound may be dissolved in a solvent, preferably an organic solvent (for example, alcohol or butyl acetate) to prepare a composition for forming an inorganic coating film.
- the composition for forming the inorganic coating film is a silane (siloxane), siloxane (siloxane), silsesquioxane (silsesquioxane), silicate (silicate), silanol (silanol), silazane (silazane) and Compounds and solvents selected from the group consisting of mixtures thereof.
- the composition for forming an inorganic coating film is fired to obtain a spin on glass (SOG) layer containing silicate glass (SiO 2 ) as a main component.
- SOG spin on glass
- the SOG layer may be obtained as by irradiation ( ⁇ ) with an electron beam or ultraviolet rays to the SOG material layer, mainly composed of silica glass (SiO 2).
- the step of preparing a planarization layer on the inorganic fine particle layer is a step of applying a composition for forming an inorganic coating film on the inorganic fine particle layer; Removing the solvent from the composition for forming an inorganic coating film; And forming a planarization layer by heat treatment, electron beam treatment, or ultraviolet treatment of the composition for forming the inorganic coating film from which the solvent is removed.
- Silicon compounds which are the raw materials of the SOG process include both organic and inorganic. More specifically, it may include methylsiloxane, methylsilsesquioxane, phenylsiloxane, phenylsilsesquioxane, methylphenylsiloxane, methylphenylsilsesquioxane and silicate polymers.
- the silicone compound also includes a hydrogensiloxane polymer of formula (H 0-1.0 SiO 1.5-2.0 ) x and a hydrogen silsesquioxane polymer of formula (HSiO 1.5 ) x , where x is greater than about 8 can do.
- Hydrogensilsesquioxanes and alkoxyhydridosiloxanes or hydroxyhydridosiloxanes may also be included.
- the silicone compound may further contain an organic hydridosiloxane polymer of the general formula (H 0-1.0 SiO 1.5-2.0 ) n (R 0-1.0 SiO 1.5-2.0 ) m and an organic of the general formula (HSiO 1.5 ) n (RSiO 1.5 ) m Hydridosilsesquioxane polymers, wherein m is greater than 0, the sum of n and m is greater than about 8, and R is alkyl or aryl.
- the silicone compound is usually triethoxysilane, tetraethoxysilane, methyltriethoxysilane, dimethyldiethoxysilane, tetramethoxysilane, methyltrimethoxysilane, trimethoxysilane, dimethyldimethoxysilane, phenyl It can be synthesized from silane reactants such as triethoxysilane, phenyltrimethoxysilane, diphenyldiethoxysilane and diphenyldimethoxysilane.
- Halosilanes especially chlorosilanes, for example trichlorosilane, methyltrichlorosilane, ethyltrichlorosilane, phenyltrichlorosilane, tetrachlorosilane, dichlorosilane, methyldichlorosilane, dimethyldichlorosilane, chlorotriethoxysilane Chlorotrimethoxysilane, chloromethyltriethoxysilane, chloroethyltriethoxysilane, chlorophenyltriethoxysilane, chloromethyltrimethoxysilane, chloroethyltrimethoxysilane, and chlorophenyltrimethoxysilane It can be used as the silane reactant.
- chlorosilanes for example trichlorosilane, methyltrichlorosilane, ethyltrichlorosilane, phenyltrichloro
- the composition for forming the inorganic coating film may further include a compound containing Al, B, Li or Pb in order to minimize physical breakage such as cracks after heat treatment.
- the method of manufacturing the planarization layer using the inorganic coating film formation may include spin coating, dip-coating, slot coating, and the like for forming an inorganic coating film on the inorganic fine particle layer. Coating by spray coating or screen printing, drying to disperse the solvent to form a coating film, and then firing at a temperature of 250 to 700 ° C. to produce an inorganic coating film formation. It may include a step.
- spin coating, dip-coating, slot-coating the inorganic fine particle coating composition, the organic coating film forming composition or the inorganic coating film forming composition Or screen printing.
- the inorganic fine particle layer may further comprise the step of preparing a coating liquid to form a coating layer.
- the planarization layer is over-coated on the inorganic fine particle layer, and the coating layer is spin coated, dip-coated, slot-coated, or sprayed. It includes, but is not limited to, coating or screen printing.
- the thin film made by the above method may be measured differently according to the thin film material, the thickness of the thin film, the thin film generation method, the void formation method, the transmittance, scattering transmittance, scattering reflectance, scattering layer. These optical properties can be measured in the 350 ⁇ 800nm wavelength region using a UV / Vis spectrometer.
- the inorganic fine particle scattering film according to the present invention has excellent light extraction performance, excellent flatness and hardness, and thus can be preferably applied to the fields of glass, light emitting devices, solar cell substrates, organic polymer films or lighting elements.
- Example 1-2 the additive is added dropwise to the aqueous solution of zirconia and aqueous solution of yttria. After the reaction at room temperature for 1 hour, the reaction temperature was raised to 60 ° C and further reaction was performed for 3 hours. Thereafter, the process is the same as in Example 1-1. The particles obtained by this method yielded smaller particles than in the reaction in Example 1-2.
- the morphology and particle size of the YSZ particles prepared in Example 1-1 were confirmed by transmission electron microscope (TEM) images.
- the size of the particle through the transmission electron micrograph is about 50 ⁇ 60nm. The results are shown in FIG.
- Nanosized zirconia powder is mixed with additives in an organic solvent. This solution is milled for 3 hours to prepare a dispersion. The dispersion is coated on a glass substrate, the solvent is dried at 100 ° C. for 30 seconds, and then heated at 250 ° C. for 30 minutes to deposit an inorganic fine particle layer. Then, a polyacrylic compound was coated on the inorganic fine particle layer to stack the planarization layer.
- a yttria powder having a nano size was prepared in the same manner as in Example 2-1, and an inorganic fine particle layer and a planarization layer were laminated.
- Yttria stabilized zirconia (YSZ) having a size of 50-60 nm was prepared in the same manner as in Example 2-1, and an inorganic fine particle layer and a planarization layer were laminated. At this time, the coating conditions were changed to stack an inorganic fine particle layer having a thickness of 1 ⁇ 10 ⁇ m.
- Yttria stabilized zirconia (YSZ) powder having a size of 50-60 nm is mixed with an additive in an organic solvent. This solution is milled for 48 hours to prepare a dispersion.
- the dispersion was coated on a glass substrate to vary the coating conditions to form a thickness of 0.5 to 2 ⁇ m, and each coated glass substrate was dried at 140 ° C. for 5 minutes and then heated at 500 ° C. for 30 minutes to heat the inorganic fine particle layer. do.
- planarization layer was spin-coated after applying 0.8g of SOG coating liquid (TOK, LML-series) on the glass substrate. Thereafter, a hard glass was carried out at 500 ° C. for 30 minutes in a nitrogen atmosphere to prepare scattered glass.
- SOG coating liquid TOK, LML-series
- the solvent was dried at 100 °C for 30 seconds, and then heated at 230 °C for 30 minutes to form a silicon oxide layer containing pores on the glass.
- the SOG coating solution (TOK, LML-series) was maintained on the glass substrate at 400 rpm for 30 seconds to perform spin coating. After the pre-bake for 3 minutes at 150 °C on a hot plate to dry the solvent. Then hard-bake at 500 °C 30 minutes in a nitrogen atmosphere.
- the glass substrate including the scattering film prepared in Examples 2-1, 2-2, 2-3 and 2-4 and Comparative Example 1, the glass substrate used in the comparison 2, only the SOG coating liquid coating in Comparative Example 3 The transmittance and reflectance of the glass substrates were measured using a UV / Vis spectrometer, and these values at the wavelength of 550 nm are shown in Table 1 from the results.
- Example 2-1 Inorganic fine particle layer Inorganic fine particle layer thickness ( ⁇ m) Scattering Transmittance (%) Permeability (%) Total reflectance (%)
- Example 2-1 ZrO 2 1.8 49.8 36.9 11.2
- Example 2-2 Y 2 O 3 2.1 49.4 38.6 10.2
- Example 2-3 YSZ 9.8 50.9 One 44.7 4.2 57.9 4.3 34.7 2 60.6 13.8 21.2 1.1 34.5 48.6 13.7
- Example 2-4 YSZ 1.0 33.2 43.0 21.5 Comparative Example 1 Silicon oxide with voids 1.5 6 84.8 7.8 Comparative Example 2 x x 0 91.6 8.7 Comparative Example 3 x x 0.2 92.5 7.3
- the glass substrate in which the scattering layer is not laminated in Comparative Example 2, or the glass substrate coated with only the SOG coating liquid in Comparative Example 3, has a permeability and reflection and no scattering of light.
- the inorganic fine particle layer containing silicon oxide it can be seen that a small amount of light scattering occurs (Comparative Example 1).
- Example 2-1 showed higher scattering transmittance than the silicon oxide layer containing pores. That is, it can be seen that the scattering film by the ZrO 2 inorganic fine particles shows high scattering efficiency and can increase the light extraction effect.
- Example 2-2 the scattering layer using the Y 2 O 3 powder also had a scattering transmittance of about 50% and showed excellent performance in the light extraction effect.
- Example 2-3 shows better light scattering efficiency through Yttria stabilized Zirconia (YSZ) composite oxide inorganic fine particles, which can be seen through scattering transmittance. Therefore, it is possible to adjust the transmittance, scattering transmittance, reflectance and the like, and to control the degree of voids.
- 9, 10, and 11 are electron micrographs of cross-sections of the inorganic fine particle layers laminated in Example 2-3 having 2 ⁇ m, 4.4 ⁇ m, and 9,8 ⁇ m, respectively, and inorganic fine particle layers having various thicknesses can be stacked.
- the degree of voids can also be obtained in various ways. Therefore, it is believed that this can show various types of light extraction effects.
- Example 2-4 shows a high scattering transmittance by coating the SOG coating liquid as a planarization layer, and decomposition or denaturation in a process in which high temperature or high energy is applied, such as chemical vapor deposition (CVD), in the manufacture of organic light emitting diodes (OLEDs). It is expected to effectively prevent the problem.
- CVD chemical vapor deposition
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Abstract
Description
무기미립자층 | 무기미립자층 두께(㎛) | 산란투과율 (%) | 정투과율 (%) | 총반사율 (%) | |
실시예 2-1 | ZrO2 | 1.8 | 49.8 | 36.9 | 11.2 |
실시예 2-2 | Y2O3 | 2.1 | 49.4 | 38.6 | 10.2 |
실시예 2-3 | YSZ | 9.8 | 50.9 | 1 | 44.7 |
4.2 | 57.9 | 4.3 | 34.7 | ||
2 | 60.6 | 13.8 | 21.2 | ||
1.1 | 34.5 | 48.6 | 13.7 | ||
실시예 2-4 | YSZ | 1.0 | 33.2 | 43.0 | 21.5 |
비교예 1 | 공극을 포함한 실리콘 산화물 | 1.5 | 6 | 84.8 | 7.8 |
비교예 2 | x | x | 0 | 91.6 | 8.7 |
비교예 3 | x | x | 0.2 | 92.5 | 7.3 |
Claims (21)
- 광추출을 향상시키기 위한 산란막으로서,공극을 포함하는 무기미립자층; 및무기미립자층의 보호와 평탄화를 위한 평탄화층을 포함하는 무기미립자 산란막.
- 제1항에 있어서, 상기 무기미립자층의 무기미립자의 굴절률이 1.7 이상인 것을 특징으로 하는 무기미립자 산란막.
- 제1항에 있어서, 상기 무기미립자층의 무기미립자가 Li, Be, B, Na, Mg, Si, K, Ca, Sc, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Mo, Cs, Ba, La, Hf, W, Tl, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Ti, Sb, Sn, Zr, Ce, Ta, In 및 이들의 조합으로 이루어지는 군으로부터 선택되는 금속을 포함하는 금속 산화물인 것을 특징으로 하는 무기미립자 산란막.
- 제3항에 있어서, 상기 금속 산화물이 산화지르코늄(zirconium oxide, ZrO2); 산화하프늄(hafnium oxide, HfO2); 산화탄탈륨(tantalium oxide, Ta2O5); 이산화티타늄(titanium oxide, TiO2); 산화이트륨(yttrium oxide, Y2O3); 산화아연(zinc oxide, ZnO); 산화이트륨, 산화마그네슘(magnesium oxide, MgO), 산화칼슘(calcium oxide, CaO) 또는 산화세륨(cerium oxide, CeO2)에 의해 안정화 또는 부분안정화된 산화지르코늄(Y2O3-ZrO2, MgO-ZrO2, CaO-ZrO2, CeO2-ZrO2) 및 이들의 혼합물로 이루어지는 군으로부터 선택되는 것을 특징으로 하는 무기미립자 산란막.
- 제4항에 있어서, 상기 금속 산화물이 산화이트륨에 의해 안정화 또는 부분안정화된 산화지르코늄인 것을 특징으로 하는 무기미립자 산란막.
- 제1항에 있어서, 상기 무기미립자층의 무기미립자의 입자 평균 크기(D50)가 1nm 내지 1㎛인 것을 특징으로 하는 무기미립자 산란막.
- 제1항에 있어서, 상기 평탄화층이 유기 코팅막 형성물이고, 상기 유기 코팅막 형성물이 폴리아크릴계 수지, 폴리이미드계 수지 또는 이들의 혼합물인 것을 특징으로 하는 무기미립자 산란막.
- 제1항에 있어서, 상기 평탄화층이 무기 코팅막 형성물이고, 상기 무기 코팅막 형성물이 실리콘 화합물(silicon compounds)을 포함하는 것을 특징으로 하는 무기미립자 산란막.
- 제8항에 있어서, 상기 실리콘 화합물이 실리카(silica), 유기실리콘(organosilicon), 실리케이트(silicate) 또는 이들의 혼합물을 포함하는 것을 특징으로 하는 무기미립자 산란막.
- 제8항에 있어서, 상기 무기 코팅막 형성물이 Al, B, Li 또는 Pb를 포함하는 화합물을 추가로 포함하는 것을 특징으로 하는 무기미립자 산란막.
- 제1항에 있어서, 상기 무기미립자 산란막의 두께가 100nm 내지 30μm인 것을 특징으로 하는 무기미립자 산란막.
- 제1항에 있어서, 상기 무기미립자 산란막의 표면 평탄도(Ra)가 1nm 내지 10nm인 것을 특징으로 하는 무기미립자 산란막.
- 제1항에 있어서, 상기 무기미립자 산란막의 표면 경도가 3H 내지 9H인 것을 특징으로 하는 무기미립자 산란막.
- 기판을 제공하는 단계;상기 기판상에 공극을 포함하는 무기미립자층을 제조하는 단계; 및상기 무기미립자층상에 평탄화층을 제조하는 단계를 포함하는 무기미립자 산란막의 제조방법.
- 제14항에 있어서, 상기 기판상에 공극을 포함하는 무기미립자층을 제조하는 단계가 상기 기판 위에 무기미립자와 용매를 포함하는 무기미립자 코팅용 조성물을 도포하는 단계; 및 상기 무기미립자 코팅용 조성물을 가열하여 용매를 제거하고 공극을 포함하는 무기미립자층을 형성하는 단계를 포함하는 것을 특징으로 하는 무기미립자 산란막의 제조방법.
- 제14항에 있어서, 상기 무기미립자층상에 평탄화층을 제조하는 단계가 상기 무기미립자층상에 유기고분자 박막을 입히고 열경화하는 단계를 포함하는 것을 특징으로 하는 무기미립자 산란막의 제조방법.
- 제14항에 있어서, 상기 무기미립자층상에 평탄화층을 제조하는 단계가 상기 무기미립자층상에 무기 코팅막 형성용 조성물을 도포하는 단계; 상기 무기 코팅막 형성용 조성물로부터 용매를 제거하는 단계; 및 상기 용매가 제거된 무기 코팅막 형성용 조성물을 열처리, 전자선처리 또는 자외선처리하여 평탄화층을 형성하는 단계를 포함하는 것을 특징으로 하는 무기미립자 산란막의 제조방법.
- 제17항에 있어서, 상기 무기 코팅막 형성용 조성물이 실란(silane), 실록산(siloxane), 실세스퀴옥산(silsesquioxane), 실리케이트(silicate), 실라놀(silanol), 실라잔(silazane) 및 이들의 혼합물로 이루어지는 군으로부터 선택되는 화합물 및 용매를 포함하는 것을 특징으로 하는 무기미립자 산란막의 제조방법.
- 제18항에 있어서, 상기 무기 코팅막 형성용 조성물이 Al, B, Li 또는 Pb를 포함하는 화합물을 추가로 포함하는 것을 특징으로 하는 무기미립자 산란막의 제조방법.
- 제15항 내지 제17항 중 어느 한 항에 있어서, 상기 무기미립자 코팅용 조성물, 상기 유기 코팅막 형성용 조성물 또는 상기 무기 코팅막 형성용 조성물을 스핀 코팅(spin coating), 딥코팅(dip-coating), 슬롯코팅(slot-coating) 또는 스크린 프린팅(screen printing)을 이용하여 도포하는 것을 특징으로 하는 무기미립자 산란막의 제조방법.
- 제1항 내지 제13항 중 어느 한 항에 따른 무기미립자 산란막을 포함하는 유리, 발광소자, 태양전지 기판, 유기 고분자 필름 또는 조명요소.
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US14/232,562 US20140234583A1 (en) | 2011-07-14 | 2012-07-13 | Inorganic particle scattering film having a good light-extraction performance |
CN201280031464.8A CN103608295B (zh) | 2011-07-14 | 2012-07-13 | 具有良好的光提取性能的无机粒子散射膜 |
JP2014520141A JP6255338B2 (ja) | 2011-07-14 | 2012-07-13 | 高光取り出し性能を有する無機粒子散乱フィルム |
EP12811804.9A EP2733117A4 (en) | 2011-07-14 | 2012-07-13 | INORGANIC PARTICLE SPREADING FILM WITH GOOD LIGHT EXTRACTION POWER |
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KR1020110070128A KR20120007472A (ko) | 2010-07-14 | 2011-07-14 | 높은 광추출 성능을 갖는 무기 산란막 |
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PCT/KR2012/005635 WO2013009150A2 (ko) | 2011-07-14 | 2012-07-13 | 높은 광추출 성능을 갖는 무기미립자 산란막 |
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EP (1) | EP2733117A4 (ko) |
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KR (1) | KR101503704B1 (ko) |
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-
2011
- 2011-10-27 WO PCT/KR2011/008076 patent/WO2013008982A1/ko active Application Filing
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2012
- 2012-07-13 CN CN201280031464.8A patent/CN103608295B/zh active Active
- 2012-07-13 EP EP12811804.9A patent/EP2733117A4/en not_active Withdrawn
- 2012-07-13 US US14/232,562 patent/US20140234583A1/en not_active Abandoned
- 2012-07-13 KR KR1020120076923A patent/KR101503704B1/ko active IP Right Grant
- 2012-07-13 WO PCT/KR2012/005635 patent/WO2013009150A2/ko active Application Filing
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CN103608295B (zh) | 2016-09-07 |
US20140234583A1 (en) | 2014-08-21 |
TWI547433B (zh) | 2016-09-01 |
JP6255338B2 (ja) | 2017-12-27 |
JP2014527683A (ja) | 2014-10-16 |
EP2733117A4 (en) | 2015-10-07 |
WO2013009150A2 (ko) | 2013-01-17 |
WO2013008982A1 (ko) | 2013-01-17 |
KR101503704B1 (ko) | 2015-03-20 |
WO2013009150A3 (ko) | 2013-05-02 |
EP2733117A2 (en) | 2014-05-21 |
TW201318962A (zh) | 2013-05-16 |
CN103608295A (zh) | 2014-02-26 |
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