Host| Ambeed

Material Science OLED Materials Host

Host

: The emitting layer (EML) consists of a host and doping material. A host material supports the formation of exciton by effectively binding electrons and holes. A host material should meet several main requirements to perform its duty, including a sufficient overlap between the emission spectra of host materials and the absorption spectra of dopants to ensure effective Förster energy transfer, as well as suitable HOMO/LUMO levels matching with hole or electron transporting layers. For TADF hosts, their triplet energy level is quite significant comparing to fluorescence OLED hosts, and their molecular rigidity also requires additional tuning to achieve enhanced performance.

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Original research route 1 (12) Optimized route 2 (6) Optimized route 3 (4) Optimized route 4 (7)

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