Curable liquid composite light emitting diode encapsulant
US8455607B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 17, 2011 |
| Grant date | Jun 4, 2013 |
| Priority date | — |
| Expiry date | Nov 3, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/2241
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A curable liquid polysiloxane/TiO2 composite for use as a light emitting diode encapsulant is provided, comprising: a polysiloxane with TiO2 domains having an average domain size of less than 5 nm, wherein the curable liquid polysiloxane/TiO2 composite contains 20 to 60 mol % TiO2 (based on total solids); wherein the curable liquid polysiloxane/TiO2 composite exhibits a refractive index of >1.61 to 1.7 and wherein the curable liquid polysiloxane/TiO2 composite is a liquid at room temperature and atmospheric pressure. Also provided is a light emitting diode manufacturing assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.