Disclosed is a fluorine substitution-containing metal complex. The metal complex has a general formula of M(La)m(Lb)n(Lc)q, the ligand La has a structure represented by a formula 1, and the ligands Lband Lc have structures represented by a formula 2. The metal complex can be used as a luminescent material in a luminescent layer of an electroluminescent device. The metal complex is easily used formanufacturing an OLED, can provide an electroluminescent device with high efficiency and long service life, and has a more controllable emission wavelength. The invention also discloses an electroluminescent device and a compound formulation.
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Paragraph 0158; 0162-0164
(2020/09/16)
PHOSPHORESCENT MATERIALS
Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.
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(2015/11/16)
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