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    • 4. 发明申请
    • LIGHT DIFFUSION TYPE LIGHT EMITTING DIODE
    • 光扩散型发光二极管
    • WO2007046664A1
    • 2007-04-26
    • PCT/KR2006/004294
    • 2006-10-20
    • KOREA PHOTONICS TECHNOLOGY INSTITUTEKIM, Jae-PilPARK, Seung-HyunKIM, Tae-HunLEE, Jae-MoonYU, Young-Moon
    • KIM, Jae-PilPARK, Seung-HyunKIM, Tae-HunLEE, Jae-MoonYU, Young-Moon
    • H01L33/00
    • H01L33/56H01L33/501H01L2224/48091H01L2224/49107H01L2933/0091H01L2924/00014
    • The present invention relates to light diffusion type light emitting diodes, more particularly, to a light emitting device having a large divergence angle by widely spreading an emitted light from a single color to a white color and a method thereof. The light emitting diode including the encapsulating layer according to the present invention is characterized by including at least two materials with different characteristics. According to the present invention, an encapsulating material for light emitting diode is mixed with at least two materials with a different polarity or a refractive index to easily form a light emitting diode. In addition, the light emitting diode die is bonded on the bottom surface of a cup, and an encapsulating material and microspheres are dispersed in the vicinity and upper portion of the light emitting diode and the entire light emitting diode, therefore the light emitting diode has a large and uniform divergence angle due to a light uniformly scattered and refracted. Furthermore, the microsphere particles with similar density to the encapsulating layer exist, thereby solving a problem of precipitation of particles, which occurs when the existing inorganic particles are dispersed.
    • 本发明涉及光漫射型发光二极管,更具体地涉及通过广泛地将发射的光从单一颜色扩散到白色而具有大的发散角的发光器件及其方法。 包括根据本发明的封装层的发光二极管的特征在于包括具有不同特性的至少两种材料。 根据本发明,用于发光二极管的封装材料与具有不同极性或折射率的至少两种材料混合以容易地形成发光二极管。 此外,发光二极管管芯结合在杯的底面上,并且封装材料和微球体分散在发光二极管的附近和上部以及整个发光二极管中,因此发光二极管具有 由于光均匀分散和折射,发散角大而均匀。 此外,存在与包封层密度相似的微球颗粒,从而解决了当现有的无机颗粒分散时发生的颗粒沉淀的问题。