研究目的
Investigating the matching of TADF and fluorescent emitter combinations for the co-emitting approach in deep-blue OLEDs to achieve high efficiency.
研究成果
TADF technology has the potential to deliver high-efficiency and long-living blue OLED pixels, which are urgently needed for the next-generation of OLED panels. Both the self-emitting and co-emitting approaches require deep-blue, efficient, and stable TADF emitters. The choice between approaches depends on the panel maker's requirements for the emission spectrum or their application.
研究不足
The complexity of the co-emitting approach, requiring optimization of emitter concentrations and careful matching of TADF and fluorescent emitters to ensure efficient energy transfer without remaining emission of the TADF emitter.
1：Experimental Design and Method Selection:
The study focuses on the co-emitting approach in OLEDs, utilizing TADF technology for high efficiency. It involves selecting appropriate TADF and fluorescent emitter combinations.
2：Sample Selection and Data Sources:
Different TADF emitters were tested in an OLED device with a fixed host and a fixed co-emitter to analyze the energy transfer efficiency.
3：List of Experimental Equipment and Materials:
OLED devices, TADF emitters, fluorescent co-emitters, and host materials.
4：Experimental Procedures and Operational Workflow:
The process involves optimizing emitter concentrations to ensure good proximity between the emitter and co-emitter, preventing aggregation or self-quenching, and ensuring efficient energy transfer.
5：Data Analysis Methods:
Analysis of the CIEy coordinate of the co-emitting device as a function of the emission maximum of the TADF emitter to determine the efficiency of energy transfer.
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