Organic light-emitting device
US10665810B2 · kind B2 · utility
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25Claims
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Key dates
| Filing date | May 20, 2019 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | May 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/00
Abstract
An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.