Film for preventing humidity from percolation and method for manufacturing the same
US11011731B2 · kind B2 · utility
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16Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 2, 2018 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Jan 13, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/873
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present inventive concept provides a moisture prevention film including: a first moisture prevention film; a second moisture prevention film formed on the first moisture prevention film; and a third moisture prevention film formed on the second moisture prevention film, wherein a concentration of oxygen (O) of the second moisture prevention film is higher than a concentration of oxygen of each of the first moisture prevention film and the third moisture prevention film, a method of manufacturing the moisture prevention film, and an organic light emitting device including the moisture prevention film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.