Electroluminescent device and manufacturing method
US10270061B2 · kind B2 · utility
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Key dates
| Filing date | Feb 25, 2016 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Feb 25, 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 including a TFT substrate (substrate) and an organic EL element (electroluminescent element) that is provided on the TFT substrate includes a sealing layer that seals the organic EL element. The sealing layer is composed of a laminated structure that is constituted by an organic film and first and second inorganic films. Recessed/protruding portions are provided on surfaces of the organic film and the first and second inorganic films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.