Organic compound, and light-emitting diode and light-emitting device including the same
US11139436B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Oct 26, 2018 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | Oct 21, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/151
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds useful dopants for light emitting diodes and light emitting display devices are disclosed. The compounds have the following structure (Formula I): wherein R1a, R1b, R2a, R2b, Z1, Z2, X and Y are as defined herein. Light emitting diodes including the compounds of Formula I, light emitting devices including the same as well as methods associated with preparation and use of such compounds and devices are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.