CURABLE SILICONE COMPOSITION AND OPTICAL SEMICONDUCTOR DEVICE

A curable silicone composition comprises: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule and free of a polyether structure; (C) a polyether-modified silicone having a siloxane...

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Hauptverfasser:	NISHIJIMA, Kazuhiro, IIMURA, Tomohiro, FURUKAWA, Haruhiko, INAGAKI, Sawako
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SEMICONDUCTOR DEVICES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A curable silicone composition comprises: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule and free of a polyether structure; (C) a polyether-modified silicone having a siloxane dendron structure and a polyether structure; and (D) a hydrosilylation reaction catalyst. The curable silicone composition can be used to form an optical semiconductor device having minimal contamination of a case during manufacturing of the optical semiconductor device, good efficiency of light extraction from a light emitting element, and minimal color unevenness or chromaticity deviation. The optical semiconductor device is notable in that a light emitting element is sealed or covered by a cured material of the composition, in addition to having minimal contamination of a case, good efficiency of light extraction, and minimal chromaticity deviation.