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    • 2. 发明授权
    • Light emitting device
    • 发光装置
    • US08878423B2
    • 2014-11-04
    • US12982604
    • 2010-12-30
    • Pei-Ying ChangShi-Ing HuangTien-Fu HuangChen-Dao Shiao
    • Pei-Ying ChangShi-Ing HuangTien-Fu HuangChen-Dao Shiao
    • H01J5/16H01J61/40H01K1/26H01K1/30G02B5/02
    • G02B5/0242G02B5/0278H01L2933/0091
    • Disclosed is a light-emitting device, including an LED light source and a light diffusion element. The light diffusion element, covering at least a part of the LED light source, is composed of a first polymer, a second polymer, or a blend of them. The first polymer has a larger crystal diameter than that of the second polymer. The first polymer is made of polypropylene or ethylene-propylene copolymer. The second polymer is made of polyethylene, polypropylene, or ethylene-propylene copolymer. A blend of certain ratios of the first and second polymer gives rise of an excellent material that has improved light diffusion. This material can be widely adopted to current light fixtures for its evenly distributed lighting and great brightness.
    • 公开了一种包括LED光源和光漫射元件的发光器件。 覆盖LED光源的至少一部分的光漫射元件由第一聚合物,第二聚合物或它们的混合物组成。 第一聚合物的晶体直径比第二聚合物的晶体直径大。 第一聚合物由聚丙烯或乙烯 - 丙烯共聚物制成。 第二聚合物由聚乙烯,聚丙烯或乙烯 - 丙烯共聚物制成。 第一和第二聚合物的一定比例的混合物产生具有改善的光扩散的优异材料。 这种材料可以广泛应用于目前的灯具,其均匀分布的照明和高亮度。
    • 4. 发明申请
    • LIGHT EMITTING DEVICE
    • 发光装置
    • US20120153798A1
    • 2012-06-21
    • US12982604
    • 2010-12-30
    • Pei-Ying ChangShi-Ing HuangTien-Fu HuangChen-Dao Shiao
    • Pei-Ying ChangShi-Ing HuangTien-Fu HuangChen-Dao Shiao
    • H01K1/32
    • G02B5/0242G02B5/0278H01L2933/0091
    • Disclosed is a light-emitting device, including an LED light source and a light diffusion element. The light diffusion element, covering at least a part of the LED light source, is composed of a first polymer, a second polymer, or a blend of them. The first polymer has a larger crystal diameter than that of the second polymer. The first polymer is made of polypropylene or ethylene-propylene copolymer. The second polymer is made of polyethylene, polypropylene, or ethylene-propylene copolymer. A blend of certain ratios of the first and second polymer gives rise of an excellent material that has improved light diffusion. This material can be widely adopted to current light fixtures for its evenly distributed lighting and great brightness.
    • 公开了一种包括LED光源和光漫射元件的发光器件。 覆盖LED光源的至少一部分的光漫射元件由第一聚合物,第二聚合物或它们的混合物组成。 第一聚合物的晶体直径比第二聚合物的晶体直径大。 第一聚合物由聚丙烯或乙烯 - 丙烯共聚物制成。 第二聚合物由聚乙烯,聚丙烯或乙烯 - 丙烯共聚物制成。 第一和第二聚合物的一定比例的混合物产生具有改善的光扩散的优异材料。 这种材料可以广泛应用于目前的灯具,其均匀分布的照明和高亮度。