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    • 4. 发明授权
    • Encapsulant for optical semiconductor device and optical semiconductor device using same
    • 用于光半导体器件的封装剂和使用其的光学半导体器件
    • US08519429B2
    • 2013-08-27
    • US13390768
    • 2011-06-22
    • Mitsuru TanikawaTakashi WatanabeShintaro MoriguchiOsamu InuiYoshitaka KunihiroRyosuke YamazakiAyuko Oki
    • Mitsuru TanikawaTakashi WatanabeShintaro MoriguchiOsamu InuiYoshitaka KunihiroRyosuke YamazakiAyuko Oki
    • H01L33/56
    • H01L33/56C08G77/12C08G77/20C08G77/80C08L83/04C09K3/1018C08L83/00
    • The present invention provides a sealant for an optical semiconductor device which is less likely to reduce its luminance and is also less likely to change its color even used in an energized state in harsh environments of high temperature and high humidity.The sealant for an optical semiconductor device includes: a first organopolysiloxane not containing a hydrogen atom bound to a silicon atom, but containing an alkenyl group bound to a silicon atom and an aryl group bound to a silicon atom, a second organopolysiloxane containing a hydrogen atom bound to a silicon atom and an aryl group bound to a silicon atom, and a platinum-alkenyl complex. The platinum-alkenyl complex is a reaction product obtained by reacting chloroplatinic acid hexahydrate with not less than 6 equivalent of a bi- or more-functional alkenyl compound. The ratio of the number of the alkenyl group bound to a silicon atom in the organopolysiloxane to the number of the hydrogen atom bound to a silicon atom in the organopolysiloxane in the sealant is not less than 1.0 and not more than 2.5.
    • 本发明提供了一种用于光学半导体器件的密封剂,其不太可能降低其亮度,并且即使在高温和高湿度的恶劣环境中的通电状态下使用也不太可能改变其颜色。 用于光学半导体器件的密封剂包括:不包含与硅原子结合的氢原子但含有与硅原子键合的烯基和与硅原子结合的芳基的第一有机聚硅氧烷,含有氢原子的第二有机聚硅氧烷 结合到硅原子和与硅原子结合的芳基,以及铂 - 烯基复合物。 铂 - 烯基络合物是通过使氯铂酸六水合物与不少于6当量的双官能或更多官能的烯基化合物反应而获得的反应产物。 与有机聚硅氧烷中的硅原子结合的烯基的数量与密封剂中的有机聚硅氧烷中与硅原子结合的氢原子数的比例为1.0以上2.5以下。