Inorganic el element, display element, image display device, and system
US11374054B2 · kind B2 · utility
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12References
19Claims
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Key dates
| Filing date | Mar 13, 2019 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Apr 14, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/043
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inorganic EL element including: an anode; a hole transporting layer; a light emitting layer; an electron transporting layer; and a cathode, the anode, the hole transporting layer, the light emitting layer, the electron transporting layer, and the cathode being stacked, wherein the hole transporting layer is an oxide film, the light emitting layer is an oxide film, and the electron transporting layer is an oxide film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.