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US 11,634,582 B2Granted
Curable white silicone formulation, a reflective material for optical semiconductor module and optical semiconductor device
AssigneeDuPont Toray Specialty Materials Kabushiki Kaisha
InventorSosuke Yamaguchi
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Abstract
A curable white silicone composition that is capable of forming a cured product having a high optical reflectance as well as exceptional light resistance is provided. The curable white silicone composition includes (A) an organopolysiloxane having at least 2 alkenyl groups per molecule, (B) a cerium-containing organopolysiloxane, (C) a white pigment, and (D) a curing catalyst.
Claims16
A curable white silicone composition comprising at least:
- (A) an organopolysiloxane having at least 2 alkenyl groups per molecule,
- (B) a cerium-containing organopolysiloxane,
- (C) a white pigment, and
- (D) a curing catalyst,
- wherein the content of the (C) white pigment is 10 to 80% by mass with respect to the total mass of the composition.
2 more elements
Dependencies are inferred from the claim text.