| abstract |
The present invention provides a kind of hydrosilylation reactions curable organosilicon composition for being used to sealing, cover or being bonded optical semiconductor, it can form the solidfied material that can inhibit because of silver electrode in the optical semiconductor device caused by the sulfurous gas in air or silvered substrates discoloration, at least contain：(A) organopolysiloxane at least two silicon atom bonding alkenyl, the organic hydrogen polysiloxanes at least two silicon atom bonding hydrogen atom, (C) tetrazole compound and (D) hydrosilylation reactions catalyst in (B) molecule in a molecule.In addition, also providing a kind of optical semiconductor device, optical semiconductor can inhibit the discoloration of the silver electrode or silvered substrates caused by the sulfurous gas in air using solidfied material sealing, covering or the bonding of the composition. |