Organic electric light emitting element, material for said element, and light emitting device, display device, and illumination device employing said element
US10468607B2 · kind B2 · utility
1Cited by
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20Claims
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Key dates
| Filing date | Aug 2, 2012 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Aug 14, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/181
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn1, Ac1, L1, L2, L3, ring Z1, u1, q1, n1, m1, A11, and A12 are as defined herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.