Organic electroluminescent element, compound, and electronic apparatus

By integrating a compound M3 with higher singlet energy than M2 in the light-emitting layer, the organic electroluminescence device enhances the utilization of triplet excitons, addressing the efficiency limitations of existing TADF-based OLEDs.

JP2025131944AInactive Publication Date: 2025-09-10IDEMITSU KOSAN CO LTD +1
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Patent Information

Application Number
JP2022093867
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2022-06-09
Publication Date
2025-09-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

To provide an organic electroluminescent element having high performance.SOLUTION: An organic electroluminescent element (1) includes an anode (3), a cathode (4), and a light emitting layer (5) provided between the anode (3) and the cathode (4). The light emitting layer (5) contains a compound M3 represented by general formula (1-1) or (1-2) and a delayed fluorescent compound M2.SELECTED DRAWING: Figure 1
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Patent Citations

  • Organic electroluminescent element, compound, material for organic electroluminescent element, and electronic device

    WO2020122118A1