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Hu et al., 2018 - Google Patents

Assistant dopant system in red phosphorescent OLEDs and its mechanism reveal

Hu et al., 2018

Document ID
9293135816274644484
Author
Hu J
Hu S
Lu C
Huang Y
Xu K
Wang X
Publication year
Publication venue
Journal of Luminescence

External Links

Snippet

We have constructed an assistant dopant system in red phosphorescent OLEDs. In the system, we chose the 4, 4′-Bis (carbazol-9-yl) biphenyl (CBP) as the host material, a thermally activated delayed fluorescence (TADF) 4CzIPN as the assistant dopant and a red …
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    • H01L51/00Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/0032Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
    • H01L51/005Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
    • H01L51/0062Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene aromatic compounds comprising a hetero atom, e.g.: N,P,S
    • H01L51/0071Polycyclic condensed heteroaromatic hydrocarbons
    • H01L51/0072Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ringsystem, e.g. phenanthroline, carbazole
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    • H01L51/0032Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
    • H01L51/0077Coordination compounds, e.g. porphyrin
    • H01L51/0084Transition metal complexes, e.g. Ru(II)polypyridine complexes
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    • H01L51/5012Electroluminescent [EL] layer
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    • H01L51/005Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
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    • H01L51/0077Coordination compounds, e.g. porphyrin
    • H01L51/0079Metal complexes comprising a IIIB-metal (B, Al, Ga, In or TI), e.g. Tris (8-hydroxyquinoline) gallium (Gaq3)
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    • H01L51/005Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
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