Clear coating for light emitting device exterior having chemical resistance and related methods
US11056625B2 · kind B2 · utility
0Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Feb 19, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0362
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Light emitting devices and components having excellent chemical resistance and related methods are disclosed. In one embodiment, an LED device or package with an encapsulant material or lens disposed over at least a portion of the LED device or package and a poly(methyl) acrylate-silicon containing barrier coating at least partially disposed over the encapsulant or the lens provides corrosion protection to corrodible metals and/or moisture protection to moisture sensitive components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.