Led device, polysiloxane compound and base formula for led device
AssigneeCsi Chemical Company Limited
InventorsSONG KE, CHIH WEI HUANG
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Abstract
A polysiloxane compound for LED device includes (A) cage-shaped, mesh-shaped or chain-shaped polysiloxane containing alkenyl groups, (B) polysiloxane containing Si—H bonds, (C) a filler composition with a protective function, and (D) a catalyst with ene hydrogen silylation reaction. The filler composition with a protective function is selected from the group of high thermal conductivity material, flame retardant, anti-aging material, UV-resistant material, gas-barrier material, thermal expansion suppression material and/or high temperature-resistant material that are suitable for use in the base, lamp cup and/or encapsulation body of the LED device to effectively improves the lifespan and operational stability of the LED device.
Claims19
A polysiloxane compound for LED device application, comprising:
- (A) Cage shaped, mesh shaped or chain shaped polysiloxane containing alkenyl groups, having the overall average composition as indicated in the following structural formula (1):
- R1nSiO(4-n)/2 (1);
- (B) Si—H bond contained polysiloxane, having the overall average composition as indicated in the following structural formula (2):
- R3aHbSiO(4-a-b)/2 (2);
- (C) Filler composition having a protective function;
- and
- (D) Catalyst with ene hydrogen silylation reaction.
A base formula for LED device, comprising a polysiloxane compound, comprising:
- (A) Cage shaped, mesh shaped or chain shaped polysiloxane containing alkenyl groups, having the overall average composition as indicated in the following structural formula (1):
- R1nSiO(4-n)/2 (1);
- (B) Si—H bond contained polysiloxane, having the overall average composition as indicated in the following structural formula (2):
- R3aHbSiO(4-a-b)/2 (2);
- (C) Filler composition having a protective function;
- and
- (D) Catalyst with ene hydrogen silylation reaction.
A LED device comprising a base, wherein said base is made from a polysiloxane compound comprising:
- (A) Cage shaped, mesh shaped or chain shaped polysiloxane containing alkenyl groups, having the overall average composition as indicated in the following structural formula (1):
- R1nSiO(4-n)/2 (1);
- (B) Si—H bond contained polysiloxane, having the overall average composition as indicated in the following structural formula (2):
- R3aHbSiO(4-a-b)/2 (2);
- (C) Filler composition having a protective function;
- and
- (D) Catalyst with ene hydrogen silylation reaction.
Dependencies are inferred from the claim text.