Silicon oxide sealing layer for electroluminescent device
US10608203B2 · kind B2 · utility
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Key dates
| Filing date | Jul 15, 2016 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Jul 15, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An organic EL display device includes a substrate and an organic EL element (electroluminescent element) provided on the substrate. The organic El display device includes a sealing layer that seals the organic EL element. The sealing layer includes silicon oxide films. Moreover, the degree of oxidation of the silicon oxide films is set to 1.2 or more and 1.8 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.