Indole [3,2-b] carbazole derivative organic electroluminescent material
A technology of carbazole derivatives and organic materials, applied in the field of organic electroluminescent materials
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[0027] According to above-mentioned I~III three kinds of structures, in conjunction with table 1, the present invention is further elaborated:
[0028] Class I compounds, preferred substituent R 2 , R 3 Can be one of the groups A1~A13 in the same table 1, R 1 It can be one of A12~A30. Particularly preferred compounds in Class I structure are I-1 to I-12, the structural formula is as follows:
[0029]
[0030]
[0031] Class II compound, preferred substituent R 2 , R 3 Can be one of the same groups A1-A13 in Table 1, R 1 , R 4 and R 5 It can be one of the same or different groups A12-A30 as listed in Table 1, and the particularly preferred compounds in the II-type structure are II-1 to II-32, and the structural formula is as follows:
[0032]
[0033]
[0034]
[0035]
[0036]
[0037] Class III compounds, preferred substituent R 2 , R 3 Can be one of the groups A1~A13 in the same table 1, R 1 , R 4 and R 5 It can be one of the same or differe...
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