Provided are an encapsulation film, an organic electronic device comprising the same, and a method of manufacturing the organic electronic device. When the organic electronic device is encapsulated using the encapsulation film, an excellent moisture barrier property may be realized, and as reflectio
Provided are an encapsulation film, an organic electronic device comprising the same, and a method of manufacturing the organic electronic device. When the organic electronic device is encapsulated using the encapsulation film, an excellent moisture barrier property may be realized, and as reflection or scattering of light is prevented by absorbing and blocking internal or external light, external defects of the organic electronic device may be prevented.
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1. An encapsulation film for an organic electronic element, comprising: a light absorbing region comprising an encapsulation resin and a light absorbing material, and having a surface resistance of 1011 Ω/cm2 or more. 2. The film according to claim 1, wherein the light absorbing region is formed in
1. An encapsulation film for an organic electronic element, comprising: a light absorbing region comprising an encapsulation resin and a light absorbing material, and having a surface resistance of 1011 Ω/cm2 or more. 2. The film according to claim 1, wherein the light absorbing region is formed in at least one outer peripheral part of the encapsulation film. 3. The film according to claim 1, wherein the light absorbing region is formed in an entire area of the encapsulation film. 4. The film according to claim 1, which has a haze of 40% to 90%. 5. The film according to claim 1, wherein the encapsulation resin comprises an acrylic resin, an epoxy resin, a silicone resin, a fluorine resin, a styrene resin, a polyolefin resin, a thermoplastic elastomer, a polyoxyalkylene resin, a polyester resin, a polyvinylchloride resin, a polycarbonate resin, a polyphenylenesulfide resin, a polyamide resin or a mixture thereof. 6. The film according to claim 1, wherein the encapsulation resin comprises a curable resin. 7. The film according to claim 6, wherein the curable resin is a heat-curable resin. 8. The film according to claim 6, wherein the curable resin comprises at least one curable functional group selected from a glycidyl group, an isocyanate group, a hydroxyl group, a carboxyl group, an amide group, an epoxide group, a cyclic ether group, a sulfide group, an acetal group, and a lactone group. 9. The film according to claim 6, wherein the curable resin is an epoxy resin comprising a cyclic structure in a molecular structure. 10. The film according to claim 6, wherein the curable resin is a silane-modified epoxy resin. 11. The film according to claim 1, wherein the light absorbing material is a non-conductive material. 12. The film according to claim 1, wherein the light absorbing material is at least one selected from the group consisting of carbon black, carbon nanotube, fluorene, a phthalocyanine derivative, a porphyrin derivative, and a triphenylamine derivative. 13. The film according to claim 1, wherein the light absorbing material is comprised at 0.01 to 50 parts by weight with respect to 100 parts by weight of the encapsulation resin. 14. The film according to claim 1, further comprising a moisture absorbent. 15. The film according to claim 14, wherein the moisture absorbent is at least one selected from the group consisting of P2O5, Li2O, Na2O, BaO, CaO, MgO, Li2SO4, Na2SO4, CaSO4, MgSO4, CoSO4, Ga2(SO4)3, Ti(SO4)2, NiSO4, CaCl2, MgCl2, SrCl2, YCl3, CuCl2, CsF, TaF5, NbF5, LiBr, CaBr2, CeBr3, SeBr4, VBr3, MgBr2, BaI2, MgI2, Ba(ClO4)2 and Mg(ClO4)2. 16. The film according to claim 1, comprising: a light absorbing layer comprising the light absorbing region; anda moisture barrier layer. 17. The film according to claim 16, wherein the moisture barrier layer has a water vapor transmission rate (WVTR) of 50 g/m2·day or less. 18. The film according to claim 1, further comprising: a metal layer. 19. The film according to claim 18, wherein the metal layer has a thermal conductivity of 50 W/mK or more. 20. The film according to claim 18, wherein the metal layer has a reflectance of 15 to 90% in Specular Component Included SCI measurement, or 15 to 80% in Specular Component Excluded SCE measurement. 21. An organic electronic device, comprising: a substrate;an organic electronic element comprising a transparent electrode layer present on the substrate, an organic layer present on the transparent electrode layer and comprising at least an emitting layer, and a reflective electrode layer present on the organic layer; andan encapsulation film encapsulating an entire surface of the organic electronic element, and comprising a light absorbing region having a surface resistance of 1011 Ω/cm2 or more. 22. The organic electronic device according to claim 21, wherein the light absorbing region is formed in at least one outer peripheral part of the encapsulation film. 23. The organic electronic device according to claim 21, wherein the light absorbing region is formed in an entire area of the encapsulation film. 24. The organic electronic device according to claim 21, wherein the encapsulation film further comprises a metal layer. 25. A method of manufacturing an organic electronic device, comprising: forming an organic electronic element comprising a transparent electrode layer, an organic layer present on the transparent electrode layer and comprising at least an emitting layer and a reflective electrode layer present on the organic layer, on a substrate; andapplying the encapsulation film of claim 1 to the substrate on which the organic electronic element is formed to encapsulate an entire surface of the organic electronic element.
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이 특허에 인용된 특허 (3)
Yoo, Hyun Jee; Cho, Yoon Gyung; Shim, Jung Sup; Lee, Suk Chin; Jeong, Kwang Jin; Chang, Suk Ky, Adhesive film and method of encapsulating organic electrode device using the same.
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