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    • 4. 发明授权
    • Optical thin film, semiconductor light emitting device having the same and methods of fabricating the same
    • 光学薄膜,具有该半导体发光器件的半导体发光器件及其制造方法
    • US07483212B2
    • 2009-01-27
    • US11657648
    • 2007-01-25
    • Jae-hee ChoFrank Wilhelm MontCheol-soo SoneJong-kyu KimJune-o SongE. Fred Schubert
    • Jae-hee ChoFrank Wilhelm MontCheol-soo SoneJong-kyu KimJune-o SongE. Fred Schubert
    • G02B1/10
    • G02B1/113
    • Provided are a highly transmissive optical thin film having an improved structure, in which, optical reflection (due to a difference in the refractive index between a semiconductor material and the air, when light is extracted from a semiconductor light emitting device into the air) may be suppressed, an optical output loss may be reduced and light transmittance efficiency may be maximized or increased, a semiconductor light emitting device having the same, and methods of fabricating the same. The optical thin film may include a first material layer having a first refractive index, a second material layer formed on the first material layer and having a second refractive index that is smaller than the first refractive index, and a graded-refractive index layer interposed or inserted between the first material layer and the second material layer and having a multi-layer structure in which refractive index distribution gradually decreases in the range between the first refractive index and the second refractive index as the refractive index distribution progresses from the first material layer toward the second material layer.
    • 提供了具有改进结构的高透射性光学薄膜,其中,光反射(由于半导体材料和空气之间的折射率的差异,当将光从半导体发光器件提取到空气中时)可以 可以抑制光输出损失,并且可以使透光率效率最大化或增加,具有该光输出损耗的半导体发光器件及其制造方法。 光学薄膜可以包括具有第一折射率的第一材料层,形成在第一材料层上并且具有小于第一折射率的第二折射率的第二材料层,以及插入或 插入在第一材料层和第二材料层之间,并且具有多层结构,其中折射率分布在第一折射率分布和第二折射率之间的范围内随着折射率分布从第一材料层朝向 第二材料层。
    • 8. 发明申请
    • Optical thin film, semiconductor light emitting device having the same and methods of fabricating the same
    • 光学薄膜,具有该半导体发光器件的半导体发光器件及其制造方法
    • US20080088932A1
    • 2008-04-17
    • US11657648
    • 2007-01-25
    • Jae-hee ChoFrank Wilhelm MontCheol-soo SoneJong-kyu KimJune-o SongE. Fred Schubert
    • Jae-hee ChoFrank Wilhelm MontCheol-soo SoneJong-kyu KimJune-o SongE. Fred Schubert
    • G02B1/10
    • G02B1/113
    • Provided are a highly transmissive optical thin film having an improved structure, in which, optical reflection (due to a difference in the refractive index between a semiconductor material and the air, when light is extracted from a semiconductor light emitting device into the air) may be suppressed, an optical output loss may be reduced and light transmittance efficiency may be maximized or increased, a semiconductor light emitting device having the same, and methods of fabricating the same. The optical thin film may include a first material layer having a first refractive index, a second material layer formed on the first material layer and having a second refractive index that is smaller than the first refractive index, and a graded-refractive index layer interposed or inserted between the first material layer and the second material layer and having a multi-layer structure in which refractive index distribution gradually decreases in the range between the first refractive index and the second refractive index as the refractive index distribution progresses from the first material layer toward the second material layer.
    • 提供了具有改进结构的高透射性光学薄膜,其中,光反射(由于半导体材料和空气之间的折射率的差异,当将光从半导体发光器件提取到空气中时)可以 可以抑制光输出损失,并且可以使透光率效率最大化或增加,具有该光输出损耗的半导体发光器件及其制造方法。 光学薄膜可以包括具有第一折射率的第一材料层,形成在第一材料层上并且具有小于第一折射率的第二折射率的第二材料层,以及插入或 插入在第一材料层和第二材料层之间,并且具有多层结构,其中折射率分布在第一折射率分布和第二折射率之间的范围内随着折射率分布从第一材料层朝向 第二材料层。