Invention Grant
US08258502B2 Light emitting device encapsulated with silicones and curable silicone compositions for preparing the silicones 有权
用硅氧烷封装的发光器件和用于制备硅氧烷的可固化硅氧烷组合物

Light emitting device encapsulated with silicones and curable silicone compositions for preparing the silicones
Abstract:
A composition includes: (I) an alkenyl functional, phenyl-containing polyorganosiloxane, an Si—H functional phenyl-containing polyorganosiloxane, or a combination thereof; (II) a hydrogendiorganosiloxy terminated oligodiphenylsiloxane having specific molecular weight, an alkenyl-functional, diorganosiloxy-terminated oligodiphenylsiloxane having specific molecular weight, or a combination thereof; and (III) a hydrosilylation catalyst. A light emitting device is made by applying the composition onto a light source followed by curing. The composition provides a cured material with mechanical properties suited for use as an encapsulant for a light emitting device.
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