Optical diffusion blend materials for LED lighting
US9557445B2 · kind B2 · utility
0Cited by
20References
24Claims
0Family size
Inventors
Key dates
| Filing date | Dec 4, 2015 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Dec 4, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/54
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to blend materials useful in LED lighting applications. The diffusing particle blend is a synergistic mixture of selected organic particles and selected inorganic particles of specific composition, loading, and a refractive index difference with the matrix polymer, that provide excellent light diffusion, high hiding properties and good light transmission. Articles made of this blend are useful in commercial and residential lighting, motor vehicle illumination (lights, panels), street lighting, displays and signs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.