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    • 4. 发明授权
    • Organic electroluminescence element and illumination device using the same
    • 有机电致发光元件及其使用的照明装置
    • US08686630B2
    • 2014-04-01
    • US13146149
    • 2010-02-03
    • Kunimasa HiyamaYasuo TaimaTakeshi Ono
    • Kunimasa HiyamaYasuo TaimaTakeshi Ono
    • H01L51/52
    • H05B33/28H01L51/5262H01L51/5268H05B33/22
    • Disclosed are an organic electroluminescence element with significantly improved light extraction efficiency and improved film properties and an illumination device that uses said element. The organic electroluminescence element has a transparent electrode, an organic electroluminescence layer, and a cathode sequentially stacked on a transparent base material. The element is characterized in that the transparent base material is a transparent resin film, there is a hard coat layer on both sides, the respective refractive indices satisfy the expressions (1)-(4), and there is a function to scatter light to the light emission side with respect to the organic electroluminescence layer. Expression (1): −0.2≦n(H1)−n(A)≦0.2, Expression (2): −0.1≦n(H1)−n(B)≦0.1, Expression (3): −0.1≦n(H2)−n(B)≦0.1, Expression (4): −0.1≦n(H1)−n(H2)≦0.1. In the expressions, n(A) is the refractive index of the transparent electrode; n(H1) is the refractive index of the hard coat layer (on the transparent electrode side); n(H2) is the refractive index of the hard coat layer (on the side opposite the transparent electrode); and n(B) is the refractive index of the transparent resin film.
    • 公开了具有显着提高的光提取效率和改进的膜性质的有机电致发光元件以及使用所述元件的照明装置。 有机电致发光元件具有依次层叠在透明基材上的透明电极,有机电致发光层和阴极。 该元件的特征在于,透明基材为透明树脂膜,两面为硬涂层,各折射率满足式(1)〜(4),并且具有将光分散到 相对于有机电致发光层的发光侧。 表达式(1):-0.2≦̸ n(H1)-n(A)≦̸ 0.2,式(2):-0.1≦̸ n(H1)-n(B)≦̸ 0.1,式(3) 0.1和nlE; n(H2)-n(B)≦̸ 0.1,表达式(4):-0.1≦̸ n(H1)-n(H2)≦̸ 在表达式中,n(A)是透明电极的折射率; n(H1)是硬涂层(透明电极侧)的折射率; n(H2)是硬涂层(与透明电极相对的一侧)的折射率; n(B)是透明树脂膜的折射率。
    • 6. 发明申请
    • ORGANIC ELECTROLUMINESCENCE ELEMENT AND ILLUMINATION DEVICE USING THE SAME
    • 有机电致发光元件和照明设备使用它
    • US20110279024A1
    • 2011-11-17
    • US13146149
    • 2010-02-03
    • Kunimasa HiyamaYasuo TaimaTakeshi Ono
    • Kunimasa HiyamaYasuo TaimaTakeshi Ono
    • H05B33/12
    • H05B33/28H01L51/5262H01L51/5268H05B33/22
    • Disclosed are an organic electroluminescence element with significantly improved light extraction efficiency and improved film properties and an illumination device that uses said element. The organic electroluminescence element has a transparent electrode, an organic electroluminescence layer, and a cathode sequentially stacked on a transparent base material. The element is characterized in that the transparent base material is a transparent resin film, there is a hard coat layer on both sides, the respective refractive indices satisfy the expressions (1)-(4), and there is a function to scatter light to the light emission side with respect to the organic electroluminescence layer. Expression (1): −0.2≦n(H1)−n(A)≦0.2, Expression (2): −0.1≦n(H1)−n(B)≦0.1, Expression (3): −0.1≦n(H2)−n(B)≦0.1, Expression (4): −0.1≦n(H1)−n(H2)≦0.1. In the expressions, n(A) is the refractive index of the transparent electrode; n(H1) is the refractive index of the hard coat layer (on the transparent electrode side); n(H2) is the refractive index of the hard coat layer (on the side opposite the transparent electrode); and n(B) is the refractive index of the transparent resin film.
    • 公开了具有显着提高的光提取效率和改进的膜性质的有机电致发光元件以及使用所述元件的照明装置。 有机电致发光元件具有依次层叠在透明基材上的透明电极,有机电致发光层和阴极。 该元件的特征在于,透明基材为透明树脂膜,两面为硬涂层,各折射率满足式(1)〜(4),并且具有将光分散到 相对于有机电致发光层的发光侧。 表达式(1):-0.2≦̸ n(H1)-n(A)≦̸ 0.2,式(2):-0.1≦̸ n(H1)-n(B)≦̸ 0.1,式(3) 0.1和nlE; n(H2)-n(B)≦̸ 0.1,表达式(4):-0.1≦̸ n(H1)-n(H2)≦̸ 在表达式中,n(A)是透明电极的折射率; n(H1)是硬涂层(透明电极侧)的折射率; n(H2)是硬涂层(与透明电极相对的一侧)的折射率; n(B)是透明树脂膜的折射率。