Platinum (II) emitters for OLED applications
US10998510B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jul 16, 2018 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Jul 16, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Described herein are novel platinum(II) emitters. These materials show high emission quantum efficiency, a low self-quenching constant and are stable in thermal deposition process. Organic light-emitting diodes (OLEDs) fabricated from these materials can have pure green emission, high efficiency and low efficiency roll-off. The OLEDs can have a chemical structure of:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.