Light emitting device
US11950508B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Jul 26, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Sep 23, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/331
Abstract
A light emitting device includes a first electrode, a second electrode, and at least one emission layer between the first electrode and the second electrode and includes at least one polycyclic compound represented by Formula 1 below, thereby exhibiting long service life characteristics. In Formula 1, the substituents are the same as defined in the detailed description.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.