Layered element for encapsulating a senstive element
US9246131B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2010 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Jan 30, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This layered element (11) for encapsulating an element (12) that is sensitive to air and/or moisture, especially an element that collects or emits radiation such as a photovoltaic cell or an organic light-emitting diode, comprises a polymer layer (1) and a barrier layer (2) against at least one face (1A) of the polymer layer. The barrier layer (2) has a moisture vapor transfer rate of less than 10−2 g/m2 per day and consists of a multilayer of at least two thin hydrogenated silicon nitride layers (21, 22, 23, 24) having alternately lower and higher densities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.