Electroluminescent iridium compounds with fluorinated phenylpyridines, phenylpyrimidines, and phenylquinolines and devices made such compounds
The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
1 - 22 . (canceled)
23 . A mer-Ir(L) 3 or fac-Ir(L) 3 complex, wherein the L ligand has the Structure I
and wherein the A, and R 1 to R 8 substituents are as follows and said is selected from compound 1-a through 1-h, 1-j, 1-l, 1-q, 1-t, and 1-u, wherein A and R 1 through R 8 are shown below:
Compound
A
R 1
R 2
R 3
R 4
R 5
R 6
R 7
R 8
1-a
C
H
H
CF 3
H
H
H
H
H
1-b
C
H
H
CF 3
H
H
H
F
H
1-c
C
H
H
CF 3
H
F
H
H
H
1-d
C
H
H
H
H
F
H
H
H
1-e
C
H
H
CF 3
H
H
CF 3
H
H
1-f
C
H
H
H
H
H
CF 3
H
H
1-h
C
Cl
H
CF 3
H
H
H
H
H
1-j
C
H
H
CF 3
H
H
F
H
H
1-l
C
H
H
CF 3
H
H
H
OCF 3
H
1-q
C
H
H
CF 3
H
H
OCH 3
H
H
1-t
C
H
H
CF 3
H
H
F
H
F
1-u
C
H
H
CF 3
H
F
H
F
H