Organic light emitting display device
US11856847B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jan 31, 2023 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Jan 31, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
Abstract
An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts between an anode and a cathode and each having a light emitting layer. At least one of the at least two or more light emitting parts includes an organic layer. The organic layer is formed of a compound comprising a functional group that reacts with alkali metals or alkali earth metals and a functional group with electron transport properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.