Organic light-emitting diode including a hole injection layer, and method of manufacturing the same
US11825675B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Apr 15, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | May 15, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/50
Abstract
An organic light-emitting diode includes: a first electrode and a second electrode facing each other; an organic emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the organic emission layer, wherein the hole injection layer includes a second metal compound layer and a second metal layer, the second metal compound layer being between the first electrode and the organic emission layer, and the second metal layer being between the second metal compound layer and the organic emission layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.