Quaternary phosphonium salt, epoxy resin composition for encapsulating semiconductor device and including the quaternary phosphonium salt, and semiconductor device encapsulated with the epoxy resin composition

摘要

A quaternary phosphonium salt, an epoxy resin composition including the quaternary phosphonium salt, and a semiconductor device encapsulated with the epoxy resin composition, the quaternary phosphonium salt being represented by Formula 1:;