Hu et al., 2018 - Google Patents
Assistant dopant system in red phosphorescent OLEDs and its mechanism revealHu 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 …
- 239000002019 doping agent 0 title abstract description 42
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- H01L51/00—Solid 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
- H01L51/0032—Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
- H01L51/005—Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
- H01L51/0062—Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene aromatic compounds comprising a hetero atom, e.g.: N,P,S
- H01L51/0071—Polycyclic condensed heteroaromatic hydrocarbons
- H01L51/0072—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ringsystem, e.g. phenanthroline, carbazole
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- H01L51/00—Solid 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
- H01L51/0032—Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
- H01L51/0077—Coordination compounds, e.g. porphyrin
- H01L51/0084—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H01L51/0085—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising Iridium
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- H01L51/5012—Electroluminescent [EL] layer
- H01L51/5016—Triplet emission
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- H01L51/0032—Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
- H01L51/005—Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
- H01L51/0052—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
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- H01L51/0077—Coordination compounds, e.g. porphyrin
- H01L51/0079—Metal complexes comprising a IIIB-metal (B, Al, Ga, In or TI), e.g. Tris (8-hydroxyquinoline) gallium (Gaq3)
- H01L51/0081—Metal complexes comprising a IIIB-metal (B, Al, Ga, In or TI), e.g. Tris (8-hydroxyquinoline) gallium (Gaq3) comprising aluminium, e.g. Alq3
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- H01L51/005—Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
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