Curable white silicone formulation, a reflective material for optical semiconductor module and optical semiconductor device
US11634582B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Dec 4, 2020 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Mar 20, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.