Organic light emitting element
US11751473B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jul 5, 2017 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Mar 17, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present specification relates to an organic light emitting device including: an anode; a cathode disposed to face the anode; and a light emitting layer disposed between the anode and the cathode, in which the light emitting layer includes: a host including a P-type host and an N-type host, which produce an exciplex; and a phosphorescent dopant, and the host including the P-type host and the N-type host, which produce an exciplex, emits a photoluminescence light with a longer wavelength than a wavelength of each of the P-type host and the N-type host.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.