Organic electroluminescent materials and devices
Novel phosphorescent metal complexes containing ligands having the Formula I: bearing either a naphthalene or other fused heterocycle moieties such as benzofuran and benzothiophene useful as emitters in OLEDs and improve the device efficiency and the FWHM of the emission.
1. A neutral compound that has a structure of formula (L A ) n Ir(L B ) 3-n ;
wherein L B is a bidentate ligand;
wherein n is 1, 2, or 3; and
wherein ligand L A has a structure of Formula I:
wherein Ring B represents a five- or six-membered aromatic ring;
wherein R 3 represents from none to the maximum number of substitutions;
wherein X 1 , X 2 , X 3 , and X 4 are each independently a CR or N;
wherein at least one of X 1 , X 2 , or X 3 is nitrogen;
wherein (a) R 1 is CR 11 R 12 R 13 or joins with R 2 to form into a ring; or
(b) R 2 is not hydrogen, or
(c) both (a) and (b) are true;
wherein R, R 1 , R 2 , R 11 , R 12 , R 13 are each independently selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, acyl, carbonyl, carboxylic acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein, with the exception of a ring between R and R 2 , any two substituents among R, R 1 , R 2 , R 11 , R 12 , R 13 are optionally joined to form into an aromatic ring;
wherein L A is coordinated to a metal M;
wherein L A is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand;
wherein M is optionally coordinated to other ligands; and
wherein L B is C 1 to C 7 alkyl substituted or unsubstituted acetylacetonate.
2. The neutral compound of claim 1 , wherein M is selected from the group consisting of Ir, Rh, Re, Ru, Os, Pt, Au, and Cu.
3. The neutral compound of claim 1 , wherein M is Ir or Pt.
4. The neutral compound of claim 1 , wherein X 2 is nitrogen.
5. The neutral compound of claim 1 , wherein R 1 is tert-butyl or substituted tert-butyl.
6. The neutral compound of claim 1 , wherein R 1 and R 2 form into an aromatic ring, which can be further substituted.
7. The neutral compound of claim 1 , wherein R 2 is selected from the group consisting of deuterium, fluorine, alkyl, cycloalkyl, and combination thereof.
8. The neutral compound of claim 1 , wherein Ring B is phenyl.
9. The neutral compound of claim 1 , wherein the ligand L A is selected from the group consisting of:
wherein X is S or O;
wherein Y is N;
wherein R 1 , R 2 , R 9 , R 10 , R 11 , R 12 , R 13 , and R 14 are each independently selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein any two substituents are optionally joined to form into a ring.
10. The neutral compound of claim 1 , wherein L B is selected from the group consisting of:
11. The neutral compound of claim 1 , wherein at least two adjacent ones of X 1 , X 2 , X 3 , and X 4 are CR and are fused into a five-membered aromatic ring.
12. The neutral compound of claim 1 , wherein at least two adjacent ones of X 1 , X 2 , X 3 , and X 4 are CR and are fused into a six-membered aromatic ring.
13. The neutral compound of claim 1 , wherein the ligand L A is selected from the group consisting of:
L A391 through L A520 that are based on a structure of Formula III,
in which R 1 , R 9 , R 10 , and Y are defined as provided below:
Ligand
R 1
R 9
R 10
Y
L A391
R B6
H
H
N
L A392
R B6
R B1
H
N
L A393
R B6
R B3
H
N
L A394
R B6
R B4
H
N
L A395
R B6
R B7
H
N
L A396
R B6
R B10
H
N
L A397
R B6
R A3
H
N
L A398
R B6
R A34
H
N
L A399
R B6
H
R B1
N
L A400
R B6
H
R B2
N
L A401
R B6
H
R B3
N
L A402
R B6
H
R B4
N
L A403
R B6
H
R B7
N
L A404
R B6
H
R B10
N
L A405
R B6
H
R A3
N
L A406
R B6
H
R A34
N
L A407
R B6
R B1
R B1
N
L A408
R B6
R B3
R B3
N
L A409
R B6
R B4
R B4
N
L A410
R B6
R B7
R B7
N
L A411
R B6
R B10
R B10
N
L A412
R B6
R A3
R A3
N
L A413
R B6
R A34
R A34
N
L A414
R B6
R B1
R B3
N
L A415
R B6
R B1
R B4
N
L A416
R B6
R B1
R B7
N
L A417
R B6
R B1
R B10
N
L A418
R B6
R B1
R A3
N
L A419
R B6
R B1
R A34
N
L A420
R B6
R B3
R B1
N
L A421
R B6
R B3
R B4
N
L A422
R B6
R B3
R B7
N
L A423
R B6
R B3
R B10
N
L A424
R B6
R B3
R A3
N
L A425
R B6
R B3
R A34
N
L A426
R B6
R B4
R B1
N
L A427
R B6
R B4
R B3
N
L A428
R B6
R B4
R B7
N
L A429
R B6
R B4
R B10
N
L A430
R B6
R B4
R A3
N
L A431
R B6
R B4
R A34
N
L A432
R B6
R B7
R B1
N
L A433
R B6
R B7
R B3
N
L A434
R B6
R B7
R B4
N
L A435
R B6
R B7
R B10
N
L A436
R B6
R B7
R A3
N
L A437
R B6
R B7
R A34
N
L A438
R B6
R B10
R B1
N
L A439
R B6
R B10
R B3
N
L A440
R B6
R B10
R B4
N
L A441
R B6
R B10
R B7
N
L A442
R B6
R B10
R A3
N
L A443
R B6
R B10
R A34
N
L A444
R B6
R A3
R B1
N
L A445
R B6
R A3
R B3
N
L A446
R B6
R A3
R B4
N
L A447
R B6
R A3
R B7
N
L A448
R B6
R A3
R B10
N
L A449
R B6
R A3
R A34
N
L A450
R B6
R A34
R B1
N
L A451
R B6
R A34
R B3
N
L A452
R B6
R A34
R B4
N
L A453
R B6
R A34
R B7
N
L A454
R B6
R A34
R B10
N
L A455
R B6
R A34
R A3
N
L A456
R B8
H
H
N
L A457
R B8
R B1
H
N
L A458
R B8
R B3
H
N
L A459
R B8
R B4
H
N
L A460
R B8
R B7
H
N
L A461
R B8
R B10
H
N
L A462
R B8
R A3
H
N
L A463
R B8
R A34
H
N
L A464
R B8
H
R B1
N
L A465
R B8
H
R B2
N
L A466
R B8
H
R B3
N
L A467
R B8
H
R B4
N
L A468
R B8
H
R B7
N
L A469
R B8
H
R B10
N
L A470
R B8
H
R A3
N
L A471
R B8
H
R A34
N
L A472
R B8
R B1
R B1
N
L A473
R B8
R B3
R B3
N
L A474
R B8
R B4
R B4
N
L A475
R B8
R B7
R B7
N
L A476
R B8
R B10
R B10
N
L A477
R B8
R A3
R A3
N
L A478
R B8
R A34
R A34
N
L A479
R B8
R B1
R B3
N
L A480
R B8
R B1
R B4
N
L A481
R B8
R B1
R B7
N
L A482
R B8
R B1
R B10
N
L A483
R B8
R B1
R A3
N
L A484
R B8
R B1
R A34
N
L A485
R B8
R B3
R B1
N
L A486
R B8
R B3
R B4
N
L A487
R B8
R B3
R B7
N
L A488
R B8
R B3
R B10
N
L A489
R B8
R B3
R A3
N
L A490
R B8
R B3
R A34
N
L A491
R B8
R B4
R B1
N
L A492
R B8
R B4
R B3
N
L A493
R B8
R B4
R B7
N
L A494
R B8
R B4
R B10
N
L A495
R B8
R B4
R A3
N
L A496
R B8
R B4
R A34
N
L A497
R B8
R B7
R B1
N
L A498
R B8
R B7
R B3
N
L A499
R B8
R B7
R B4
N
L A500
R B8
R B7
R B10
N
L A501
R B8
R B7
R A3
N
L A502
R B8
R B7
R A34
N
L A503
R B8
R B10
R B1
N
L A504
R B8
R B10
R B3
N
L A505
R B8
R B10
R B4
N
L A506
R B8
R B10
R B7
N
L A507
R B8
R B10
R A3
N
L A508
R B8
R B10
R A34
N
L A509
R B8
R A3
R B1
N
L A510
R B8
R A3
R B3
N
L A511
R B8
R A3
R B4
N
L A512
R B8
R A3
R B7
N
L A513
R B8
R A3
R B10
N
L A514
R B8
R A3
R A34
N
L A515
R B8
R A34
R B1
N
L A516
R B8
R A34
R B3
N
L A517
R B8
R A34
R B4
N
L A518
R B8
R A34
R B7
N
L A519
R B8
R A34
R B10
N
L A520
R B8
R A34
R A3
N,
L A521 through L A780 that are based on a structure of Formula IV,
in which R 1 , R , R 12 , and X are defined as provided below:
Ligand
R 1
R 11
R 12
X
L A521
R B6
H
H
S
L A522
R B6
R B1
H
S
L A523
R B6
R B3
H
S
L A524
R B6
R B4
H
S
L A525
R B6
R B7
H
S
L A526
R B6
R B10
H
S
L A527
R B6
R A3
H
S
L A528
R B6
R A34
H
S
L A529
R B6
H
R B1
S
L A530
R B6
H
R B2
S
L A531
R B6
H
R B3
S
L A532
R B6
H
R B4
S
L A533
R B6
H
R B7
S
L A534
R B6
H
R B10
S
L A535
R B6
H
R A3
S
L A536
R B6
H
R A34
S
L A537
R B6
R B1
R B1
S
L A538
R B6
R B3
R B3
S
L A539
R B6
R B4
R B4
S
L A540
R B6
R B7
R B7
S
L A541
R B6
R B10
R B10
S
L A542
R B6
R A3
R A3
S
L A543
R B6
R A34
R A34
S
L A544
R B6
R B1
R B3
S
L A545
R B6
R B1
R B4
S
L A546
R B6
R B1
R B7
S
L A547
R B6
R B1
R B10
S
L A548
R B6
R B1
R A3
S
L A549
R B6
R B1
R A34
S
L A550
R B6
R B3
R B1
S
L A551
R B6
R B3
R B4
S
L A552
R B6
R B3
R B7
S
L A553
R B6
R B3
R B10
S
L A554
R B6
R B3
R A3
S
L A555
R B6
R B3
R A34
S
L A556
R B6
R B4
R B1
S
L A557
R B6
R B4
R B3
S
L A558
R B6
R B4
R B7
S
L A559
R B6
R B4
R B10
S
L A560
R B6
R B4
R A3
S
L A561
R B6
R B4
R A34
S
L A562
R B6
R B7
R B1
S
L A563
R B6
R B7
R B3
S
L A564
R B6
R B7
R B4
S
L A565
R B6
R B7
R B10
S
L A566
R B6
R B7
R A3
S
L A567
R B6
R B7
R A34
S
L A568
R B6
R B10
R B1
S
L A569
R B6
R B10
R B3
S
L A570
R B6
R B10
R B4
S
L A571
R B6
R B10
R B7
S
L A572
R B6
R B10
R A3
S
L A573
R B6
R B10
R A34
S
L A574
R B6
R A3
R B1
S
L A575
R B6
R A3
R B3
S
L A576
R B6
R A3
R B4
S
L A577
R B6
R A3
R B7
S
L A578
R B6
R A3
R B10
S
L A579
R B6
R A3
R A34
S
L A580
R B6
R A34
R B1
S
L A581
R B6
R A34
R B3
S
L A582
R B6
R A34
R B4
S
L A583
R B6
R A34
R B7
S
L A584
R B6
R A34
R B10
S
L A585
R B6
R A34
R A3
S
L A586
R B8
H
H
S
L A587
R B8
R B1
H
S
L A588
R B8
R B3
H
S
L A589
R B8
R B4
H
S
L A590
R B8
R B7
H
S
L A591
R B8
R B10
H
S
L A592
R B8
R A3
H
S
L A593
R B8
R A34
H
S
L A594
R B8
H
R B1
S
L A595
R B8
H
R B2
S
L A596
R B8
H
R B3
S
L A597
R B8
H
R B4
S
L A598
R B8
H
R B7
S
L A599
R B8
H
R B10
S
L A600
R B8
H
R A3
S
L A601
R B8
H
R A34
S
L A602
R B8
R B1
R B1
S
L A603
R B8
R B3
R B3
S
L A604
R B8
R B4
R B4
S
L A605
R B8
R B7
R B7
S
L A606
R B8
R B10
R B10
S
L A607
R B8
R A3
R A3
S
L A608
R B8
R A34
R A34
S
L A609
R B8
R B1
R B3
S
L A610
R B8
R B1
R B4
S
L A611
R B8
R B1
R B7
S
L A612
R B8
R B1
R B10
S
L A613
R B8
R B1
R A3
S
L A614
R B8
R B1
R A34
S
L A615
R B8
R B3
R B1
S
L A616
R B8
R B3
R B4
S
L A617
R B8
R B3
R B7
S
L A618
R B8
R B3
R B10
S
L A619
R B8
R B3
R A3
S
L A620
R B8
R B3
R A34
S
L A621
R B8
R B4
R B1
S
L A622
R B8
R B4
R B3
S
L A623
R B8
R B4
R B7
S
L A624
R B8
R B4
R B10
S
L A625
R B8
R B4
R A3
S
L A626
R B8
R B4
R A34
S
L A627
R B8
R B7
R B1
S
L A628
R B8
R B7
R B3
S
L A629
R B8
R B7
R B4
S
L A630
R B8
R B7
R B10
S
L A631
R B8
R B7
R A3
S
L A632
R B8
R B7
R A34
S
L A633
R B8
R B10
R B1
S
L A634
R B8
R B10
R B3
S
L A635
R B8
R B10
R B4
S
L A636
R B8
R B10
R B7
S
L A637
R B8
R B10
R A3
S
L A638
R B8
R B10
R A34
S
L A639
R B8
R A3
R B1
S
L A640
R B8
R A3
R B3
S
L A641
R B8
R A3
R B4
S
L A642
R B8
R A3
R B7
S
L A643
R B8
R A3
R B10
S
L A644
R B8
R A3
R A34
S
L A645
R B8
R A34
R B1
S
L A646
R B8
R A34
R B3
S
L A647
R B8
R A34
R B4
S
L A648
R B8
R A34
R B7
S
L A649
R B8
R A34
R B10
S
L A650
R B8
R A34
R A3
S
L A651
R B6
H
H
O
L A652
R B6
R B1
H
O
L A653
R B6
R B3
H
O
L A654
R B6
R B4
H
O
L A655
R B6
R B7
H
O
L A656
R B6
R B10
H
O
L A657
R B6
R A3
H
O
L A658
R B6
R A34
H
O
L A659
R B6
H
R B1
O
L A660
R B6
H
R B2
O
L A661
R B6
H
R B3
O
L A662
R B6
H
R B4
O
L A663
R B6
H
R B7
O
L A664
R B6
H
R B10
O
L A665
R B6
H
R A3
O
L A666
R B6
H
R A34
O
L A667
R B6
R B1
R B1
O
L A668
R B6
R B3
R B3
O
L A669
R B6
R B4
R B4
O
L A670
R B6
R B7
R B7
O
L A671
R B6
R B10
R B10
O
L A672
R B6
R A3
R A3
O
L A673
R B6
R A34
R A34
O
L A674
R B6
R B1
R B3
O
L A675
R B6
R B1
R B4
O
L A676
R B6
R B1
R B7
O
L A677
R B6
R B1
R B10
O
L A678
R B6
R B1
R A3
O
L A679
R B6
R B1
R A34
O
L A680
R B6
R B3
R B1
O
L A681
R B6
R B3
R B4
O
L A682
R B6
R B3
R B7
O
L A683
R B6
R B3
R B10
O
L A684
R B6
R B3
R A3
O
L A685
R B6
R B3
R A34
O
L A686
R B6
R B4
R B1
O
L A687
R B6
R B4
R B3
O
L A688
R B6
R B4
R B7
O
L A689
R B6
R B4
R B10
O
L A690
R B6
R B4
R A3
O
L A691
R B6
R B4
R A34
O
L A692
R B6
R B7
R B1
O
L A693
R B6
R B7
R B3
O
L A694
R B6
R B7
R B4
O
L A695
R B6
R B7
R B10
O
L A696
R B6
R B7
R A3
O
L A697
R B6
R B7
R A34
O
L A698
R B6
R B10
R B1
O
L A699
R B6
R B10
R B3
O
L A700
R B6
R B10
R B4
O
L A701
R B6
R B10
R B7
O
L A702
R B6
R B10
R A3
O
L A703
R B6
R B10
R A34
O
L A704
R B6
R A3
R B1
O
L A705
R B6
R A3
R B3
O
L A706
R B6
R A3
R B4
O
L A707
R B6
R A3
R B7
O
L A708
R B6
R A3
R B10
O
L A709
R B6
R A3
R A34
O
L A710
R B6
R A34
R B1
O
L A711
R B6
R A34
R B3
O
L A712
R B6
R A34
R B4
O
L A713
R B6
R A34
R B7
O
L A714
R B6
R A34
R B10
O
L A715
R B6
R A34
R A3
O
L A716
R B8
H
H
O
L A717
R B8
R B1
H
O
L A718
R B8
R B3
H
O
L A719
R B8
R B4
H
O
L A720
R B8
R B7
H
O
L A721
R B8
R B10
H
O
L A722
R B8
R A3
H
O
L A723
R B8
R A34
H
O
L A724
R B8
H
R B1
O
L A725
R B8
H
R B2
O
L A726
R B8
H
R B3
O
L A727
R B8
H
R B4
O
L A728
R B8
H
R B7
O
L A729
R B8
H
R B10
O
L A730
R B8
H
R A3
O
L A731
R B8
H
R A34
O
L A732
R B8
R B1
R B1
O
L A733
R B8
R B3
R B3
O
L A734
R B8
R B4
R B4
O
L A735
R B8
R B7
R B7
O
L A736
R B8
R B10
R B10
O
L A737
R B8
R A3
R A3
O
L A738
R B8
R A34
R A34
O
L A739
R B8
R B1
R B3
O
L A740
R B8
R B1
R B4
O
L A741
R B8
R B1
R B7
O
L A742
R B8
R B1
R B10
O
L A743
R B8
R B1
R A3
O
L A744
R B8
R B1
R A34
O
L A745
R B8
R B3
R B1
O
L A746
R B8
R B3
R B4
O
L A747
R B8
R B3
R B7
O
L A748
R B8
R B3
R B10
O
L A749
R B8
R B3
R A3
O
L A750
R B8
R B3
R A34
O
L A751
R B8
R B4
R B1
O
L A752
R B8
R B4
R B3
O
L A753
R B8
R B4
R B7
O
L A754
R B8
R B4
R B10
O
L A755
R B8
R B4
R A3
O
L A756
R B8
R B4
R A34
O
L A757
R B8
R B7
R B1
O
L A758
R B8
R B7
R B3
O
L A759
R B8
R B7
R B4
O
L A760
R B8
R B7
R B10
O
L A761
R B8
R B7
R A3
O
L A762
R B8
R B7
R A34
O
L A763
R B8
R B10
R B1
O
L A764
R B8
R B10
R B3
O
L A765
R B8
R B10
R B4
O
L A766
R B8
R B10
R B7
O
L A767
R B8
R B10
R A3
O
L A768
R B8
R B10
R A34
O
L A769
R B8
R A3
R B1
O
L A770
R B8
R A3
R B3
O
L A771
R B8
R A3
R B4
O
L A772
R B8
R A3
R B7
O
L A773
R B8
R A3
R B10
O
L A774
R B8
R A3
R A34
O
L A775
R B8
R A34
R B1
O
L A776
R B8
R A34
R B3
O
L A777
R B8
R A34
R B4
O
L A778
R B8
R A34
R B7
O
L A779
R B8
R A34
R B10
O
L A780
R B8
R A34
R A3
O,
L A781 through L A1170 that are based on a structure of Formula IV,
in which R 1 , R 2 , R , and R 12 are defined as provided below:
Ligand
R 1
R 2
R 11
R 12
L A781
H
F
H
H
L A782
H
F
R B1
H
L A783
H
F
R B3
H
L A784
H
F
R B4
H
L A785
H
F
R B7
H
L A786
H
F
R B10
H
L A787
H
F
R A3
H
L A788
H
F
R A34
H
L A789
H
F
H
R B1
L A790
H
F
H
R B2
L A791
H
F
H
R B3
L A792
H
F
H
R B4
L A793
H
F
H
R B7
L A794
H
F
H
R B10
L A795
H
F
H
R A3
L A796
H
F
H
R A34
L A797
H
F
R B1
R B1
L A798
H
F
R B3
R B3
L A799
H
F
R B4
R B4
L A800
H
F
R B7
R B7
L A801
H
F
R B10
R B10
L A802
H
F
R A3
R A3
L A803
H
F
R A34
R A34
L A804
H
F
R B1
R B3
L A805
H
F
R B1
R B4
L A806
H
F
R B1
R B7
L A807
H
F
R B1
R B10
L A808
H
F
R B1
R A3
L A809
H
F
R B1
R A34
L A810
H
F
R B3
R B1
L A811
H
F
R B3
R B4
L A812
H
F
R B3
R B7
L A813
H
F
R B3
R B10
L A814
H
F
R B3
R A3
L A815
H
F
R B3
R A34
L A816
H
F
R B4
R B1
L A817
H
F
R B4
R B3
L A818
H
F
R B4
R B7
L A819
H
F
R B4
R B10
L A820
H
F
R B4
R A3
L A821
H
F
R B4
R A34
L A822
H
F
R B7
R B1
L A823
H
F
R B7
R B3
L A824
H
F
R B7
R B4
L A825
H
F
R B7
R B10
L A826
H
F
R B7
R A3
L A827
H
F
R B7
R A34
L A828
H
F
R B10
R B1
L A829
H
F
R B10
R B3
L A830
H
F
R B10
R B4
L A831
H
F
R B10
R B7
L A832
H
F
R B10
R A3
L A833
H
F
R B10
R A34
L A834
H
F
R A3
R B1
L A835
H
F
R A3
R B3
L A836
H
F
R A3
R B4
L A837
H
F
R A3
R B7
L A838
H
F
R A3
R B10
L A839
H
F
R A3
R A34
L A840
H
F
R A34
R B1
L A841
H
F
R A34
R B3
L A842
H
F
R A34
R B4
L A843
H
F
R A34
R B7
L A844
H
F
R A34
R B10
L A845
H
F
R A34
R A3
L A846
H
R B1
H
H
L A847
H
R B1
R B1
H
L A848
H
R B1
R B3
H
L A849
H
R B1
R B4
H
L A850
H
R B1
R B7
H
L A851
H
R B1
R B10
H
L A852
H
R B1
R A3
H
L A853
H
R B1
R A34
H
L A854
H
R B1
H
R B1
L A855
H
R B1
H
R B2
L A856
H
R B1
H
R B3
L A857
H
R B1
H
R B4
L A858
H
R B1
H
R B7
L A859
H
R B1
H
R B10
L A860
H
R B1
H
R A3
L A861
H
R B1
H
R A34
L A862
H
R B1
R B1
R B1
L A863
H
R B1
R B3
R B3
L A864
H
R B1
R B4
R B4
L A865
H
R B1
R B7
R B7
L A866
H
R B1
R B10
R B10
L A867
H
R B1
R A3
R A3
L A868
H
R B1
R A34
R A34
L A869
H
R B1
R B1
R B3
L A870
H
R B1
R B1
R B4
L A871
H
R B1
R B1
R B7
L A872
H
R B1
R B1
R B10
L A873
H
R B1
R B1
R A3
L A874
H
R B1
R B1
R A34
L A875
H
R B1
R B3
R B1
L A876
H
R B1
R B3
R B4
L A877
H
R B1
R B3
R B7
L A878
H
R B1
R B3
R B10
L A879
H
R B1
R B3
R A3
L A880
H
R B1
R B3
R A34
L A881
H
R B1
R B4
R B1
L A882
H
R B1
R B4
R B3
L A883
H
R B1
R B4
R B7
L A884
H
R B1
R B4
R B10
L A885
H
R B1
R B4
R A3
L A886
H
R B1
R B4
R A34
L A887
H
R B1
R B7
R B1
L A888
H
R B1
R B7
R B3
L A889
H
R B1
R B7
R B4
L A890
H
R B1
R B7
R B10
L A891
H
R B1
R B7
R A3
L A892
H
R B1
R B7
R A34
L A893
H
R B1
R B10
R B1
L A894
H
R B1
R B10
R B3
L A895
H
R B1
R B10
R B4
L A896
H
R B1
R B10
R B7
L A897
H
R B1
R B10
R A3
L A898
H
R B1
R B10
R A34
L A899
H
R B1
R A3
R B1
L A900
H
R B1
R A3
R B3
L A901
H
R B1
R A3
R B4
L A902
H
R B1
R A3
R B7
L A903
H
R B1
R A3
R B10
L A904
H
R B1
R A 3
R A34
L A905
H
R B1
R A34
R B1
L A906
H
R B1
R A34
R B3
L A907
H
R B1
R A34
R B4
L A908
H
R B1
R A34
R B7
L A909
H
R B1
R A34
R B10
L A910
H
R B1
R A34
R A3
L A911
R B1
F
H
H
L A912
R B1
F
R B1
H
L A913
R B1
F
R B3
H
L A914
R B1
F
R B4
H
L A915
R B1
F
R B7
H
L A916
R B1
F
R B10
H
L A917
R B1
F
R A3
H
L A918
R B1
F
R A34
H
L A919
R B1
F
H
R B1
L A920
R B1
F
H
R B2
L A921
R B1
F
H
R B3
L A922
R B1
F
H
R B4
L A923
R B1
F
H
R B7
L A924
R B1
F
H
R B10
L A925
R B1
F
H
R A3
L A926
R B1
F
H
R A34
L A927
R B1
F
R B1
R B1
L A928
R B1
F
R B3
R B3
L A929
R B1
F
R B4
R B4
L A930
R B1
F
R B7
R B7
L A931
R B1
F
R B10
R B10
L A932
R B1
F
R A3
R A3
L A933
R B1
F
R A34
R A34
L A934
R B1
F
R B1
R B3
L A935
R B1
F
R B1
R B4
L A936
R B1
F
R B1
R B7
L A937
R B1
F
R B1
R B10
L A938
R B1
F
R B1
R A3
L A939
R B1
F
R B1
R A34
L A940
R B1
F
R B3
R B1
L A941
R B1
F
R B3
R B4
L A942
R B1
F
R B3
R B7
L A943
R B1
F
R B3
R B10
L A944
R B1
F
R B3
R A3
L A945
R B1
F
R B3
R A34
L A946
R B1
F
R B4
R B1
L A947
R B1
F
R B4
R B3
L A948
R B1
F
R B4
R B7
L A949
R B1
F
R B4
R B10
L A950
R B1
F
R B4
R A3
L A951
R B1
F
R B4
R A34
L A952
R B1
F
R B7
R B1
L A953
R B1
F
R B7
R B3
L A954
R B1
F
R B7
R B4
L A955
R B1
F
R B7
R B10
L A956
R B1
F
R B7
R A3
L A957
R B1
F
R B7
R A34
L A958
R B1
F
R B10
R B1
L A959
R B1
F
R B10
R B3
L A960
R B1
F
R B10
R B4
L A961
R B1
F
R B10
R B7
L A962
R B1
F
R B10
R A3
L A963
R B1
F
R B10
R A34
L A964
R B1
F
R A3
R B1
L A965
R B1
F
R A3
R B3
L A966
R B1
F
R A3
R B4
L A967
R B1
F
R A3
R B7
L A968
R B1
F
R A3
R B10
L A969
R B1
F
R A3
R A34
L A970
R B1
F
R A34
R B1
L A971
R B1
F
R A34
R B3
L A972
R B1
F
R A34
R B4
L A973
R B1
F
R A34
R B7
L A974
R B1
F
R A34
R B10
L A975
R B1
F
R A34
R A3
L A976
R B6
F
H
H
L A977
R B6
F
R B1
H
L A978
R B6
F
R B3
H
L A979
R B6
F
R B4
H
L A980
R B6
F
R B7
H
L A981
R B6
F
R B10
H
L A982
R B6
F
R A3
H
L A983
R B6
F
R A34
H
L A984
R B6
F
H
R B1
L A985
R B6
F
H
R B2
L A986
R B6
F
H
R B3
L A987
R B6
F
H
R B4
L A988
R B6
F
H
R B7
L A989
R B6
F
H
R B10
L A990
R B6
F
H
R A3
L A991
R B6
F
H
R A34
L A992
R B6
F
R B1
R B1
L A993
R B6
F
R B3
R B3
L A994
R B6
F
R B4
R B4
L A995
R B6
F
R B7
R B7
L A996
R B6
F
R B10
R B10
L A997
R B6
F
R A3
R A3
L A998
R B6
F
R A34
R A34
L A999
R B6
F
R B1
R B3
L A1000
R B6
F
R B1
R B4
L A1001
R B6
F
R B1
R B7
L A1002
R B6
F
R B1
R B10
L A1003
R B6
F
R B1
R A3
L A1004
R B6
F
R B1
R A34
L A1005
R B6
F
R B3
R B1
L A1006
R B6
F
R B3
R B4
L A1007
R B6
F
R B3
R B7
L A1008
R B6
F
R B3
R B10
L A1009
R B6
F
R B3
R A3
L A1010
R B6
F
R B3
R A34
L A1011
R B6
F
R B4
R B1
L A1012
R B6
F
R B4
R B3
L A1013
R B6
F
R B4
R B7
L A1014
R B6
F
R B4
R B10
L A1015
R B6
F
R B4
R A3
L A1016
R B6
F
R B4
R A34
L A1017
R B6
F
R B7
R B1
L A1018
R B6
F
R B7
R B3
L A1019
R B6
F
R B7
R B4
L A1020
R B6
F
R B7
R B10
L A1021
R B6
F
R B7
R A3
L A1022
R B6
F
R B7
R A34
L A1023
R B6
F
R B10
R B1
L A1024
R B6
F
R B10
R B3
L A1025
R B6
F
R B10
R B4
L A1026
R B6
F
R B10
R B7
L A1027
R B6
F
R B10
R A3
L A1028
R B6
F
R B10
R A34
L A1029
R B6
F
R A3
R B1
L A1030
R B6
F
R A3
R B3
L A1031
R B6
F
R A3
R B4
L A1032
R B6
F
R A3
R B7
L A1033
R B6
F
R A3
R B10
L A1034
R B6
F
R A3
R A34
L A1035
R B6
F
R A34
R B1
L A1036
R B6
F
R A34
R B3
L A1037
R B6
F
R A34
R B4
L A1038
R B6
F
R A34
R B7
L A1039
R B6
F
R A34
R B10
L A1040
R B6
F
R A34
R A3
L A1041
R B1
R B1
H
H
L A1042
R B1
R B1
R B1
H
L A1043
R B1
R B1
R B3
H
L A1044
R B1
R B1
R B4
H
L A1045
R B1
R B1
R B7
H
L A1046
R B1
R B1
R B10
H
L A1047
R B1
R B1
R A3
H
L A1048
R B1
R B1
R A34
H
L A1049
R B1
R B1
H
R B1
L A1050
R B1
R B1
H
R B2
L A1051
R B1
R B1
H
R B3
L A1052
R B1
R B1
H
R B4
L A1053
R B1
R B1
H
R B7
L A1054
R B1
R B1
H
R B10
L A1055
R B1
R B1
H
R A3
L A1056
R B1
R B1
H
R A34
L A1057
R B1
R B1
R B1
R B1
L A1058
R B1
R B1
R B3
R B3
L A1059
R B1
R B1
R B4
R B4
L A1060
R B1
R B1
R B7
R B7
L A1061
R B1
R B1
R B10
R B10
L A1062
R B1
R B1
R A3
R A3
L A1063
R B1
R B1
R A34
R A34
L A1064
R B1
R B1
R B1
R B3
L A1065
R B1
R B1
R B1
R B4
L A1066
R B1
R B1
R B1
R B7
L A1067
R B1
R B1
R B1
R B10
L A1068
R B1
R B1
R B1
R A3
L A1069
R B1
R B1
R B1
R A34
L A1070
R B1
R B1
R B3
R B1
L A1071
R B1
R B1
R B3
R B4
L A1072
R B1
R B1
R B3
R B7
L A1073
R B1
R B1
R B3
R B10
L A1074
R B1
R B1
R B3
R A3
L A1075
R B1
R B1
R B3
R A34
L A1076
R B1
R B1
R B4
R B1
L A1077
R B1
R B1
R B4
R B3
L A1078
R B1
R B1
R B4
R B7
L A1079
R B1
R B1
R B4
R B10
L A1080
R B1
R B1
R B4
R A3
L A1081
R B1
R B1
R B4
R A34
L A1082
R B1
R B1
R B7
R B1
L A1083
R B1
R B1
R B7
R B3
L A1084
R B1
R B1
R B7
R B4
L A1085
R B1
R B1
R B7
R B10
L A1086
R B1
R B1
R B7
R A3
L A1087
R B1
R B1
R B7
R A34
L A1088
R B1
R B1
R B10
R B1
L A1089
R B1
R B1
R B10
R B3
L A1090
R B1
R B1
R B10
R B4
L A1091
R B1
R B1
R B10
R B7
L A1092
R B1
R B1
R B10
R A3
L A1093
R B1
R B1
R B10
R A34
L A1094
R B1
R B1
R A3
R B1
L A1095
R B1
R B1
R A3
R B3
L A1096
R B1
R B1
R A3
R B4
L A1097
R B1
R B1
R A3
R B7
L A1098
R B1
R B1
R A3
R B10
L A1099
R B1
R B1
R A3
R A34
L A1100
R B1
R B1
R A34
R B1
L A1101
R B1
R B1
R A34
R B3
L A1102
R B1
R B1
R A34
R B4
L A1103
R B1
R B1
R A34
R B7
L A1104
R B1
R B1
R A34
R B10
L A1105
R B1
R B1
R A34
R A3
L A1106
R B6
R B1
H
H
L A1107
R B6
R B1
R B1
H
L A1108
R B6
R B1
R B3
H
L A1109
R B6
R B1
R B4
H
L A1110
R B6
R B1
R B7
H
L A1111
R B6
R B1
R B10
H
L A1112
R B6
R B1
R A3
H
L A1113
R B6
R B1
R A34
H
L A1114
R B6
R B1
H
R B1
L A1115
R B6
R B1
H
R B2
L A1116
R B6
R B1
H
R B3
L A1117
R B6
R B1
H
R B4
L A1118
R B6
R B1
H
R B7
L A1119
R B6
R B1
H
R B10
L A1120
R B6
R B1
H
R A3
L A1121
R B6
R B1
H
R A34
L A1122
R B6
R B1
R B1
R B1
L A1123
R B6
R B1
R B3
R B3
L A1124
R B6
R B1
R B4
R B4
L A1125
R B6
R B1
R B7
R B7
L A1126
R B6
R B1
R B10
R B10
L A1127
R B6
R B1
R A3
R A3
L A1128
R B6
R B1
R A34
R A34
L A1129
R B6
R B1
R B1
R B3
L A1130
R B6
R B1
R B1
R B4
L A1131
R B6
R B1
R B1
R B7
L A1132
R B6
R B1
R B1
R B10
L A1133
R B6
R B1
R B1
R A3
L A1134
R B6
R B1
R B1
R A34
L A1135
R B6
R B1
R B3
R B1
L A1136
R B6
R B1
R B3
R B4
L A1137
R B6
R B1
R B3
R B7
L A1138
R B6
R B1
R B3
R B10
L A1139
R B6
R B1
R B3
R A3
L A1140
R B6
R B1
R B3
R A34
L A1141
R B6
R B1
R B4
R B1
L A1142
R B6
R B1
R B4
R B3
L A1143
R B6
R B1
R B4
R B7
L A1144
R B6
R B1
R B4
R B10
L A1145
R B6
R B1
R B4
R A3
L A1146
R B6
R B1
R B4
R A34
L A1147
R B6
R B1
R B7
R B1
L A1148
R B6
R B1
R B7
R B3
L A1149
R B6
R B1
R B7
R B4
L A1150
R B6
R B1
R B7
R B10
L A1151
R B6
R B1
R B7
R A3
L A1152
R B6
R B1
R B7
R A34
L A1153
R B6
R B1
R B10
R B1
L A1154
R B6
R B1
R B10
R B3
L A1155
R B6
R B1
R B10
R B4
L A1156
R B6
R B1
R B10
R B7
L A1157
R B6
R B1
R B10
R A3
L A1158
R B6
R B1
R B10
R A34
L A1159
R B6
R B1
R A3
R B1
L A1160
R B6
R B1
R A3
R B3
L A1161
R B6
R B1
R A3
R B4
L A1162
R B6
R B1
R A3
R B7
L A1163
R B6
R B1
R A3
R B10
L A1164
R B6
R B1
R A3
R A34
L A1165
R B6
R B1
R A34
R B1
L A1166
R B6
R B1
R A34
R B3
L A1167
R B6
R B1
R A34
R B4
L A1168
R B6
R B1
R A34
R B7
L A1169
R B6
R B1
R A34
R B10
L A1170
R B6
R B1
R A34
R A3 ,
L A1171 through L A1266 that are based on a structure of Formula V,
in which R 1 , R 2 , R 13 , and X are defined as provided below:
Ligand
R 1
R 2
R 13
X
L A1171
R B6
H
H
S
L A1172
R B6
H
R B1
S
L A1173
R B6
H
R B3
S
L A1174
R B6
H
R B4
S
L A1175
R B6
H
R B7
S
L A1176
R B6
H
R B10
S
L A1177
R B6
H
R A3
S
L A1178
R B6
H
R A34
S
L A1179
R B8
H
R B1
S
L A1180
R B8
H
R B2
S
L A1181
R B8
H
R B3
S
L A1182
R B8
H
R B4
S
L A1183
R B8
H
R B7
S
L A1184
R B8
H
R B10
S
L A1185
R B8
H
R A3
S
L A1186
R B8
H
R A34
S
L A1187
R B6
F
H
S
L A1188
R B6
F
R B1
S
L A1189
R B6
F
R B3
S
L A1190
R B6
F
R B4
S
L A1191
R B6
F
R B7
S
L A1192
R B6
F
R B10
S
L A1193
R B6
F
R A3
S
L A1194
R B6
F
R A34
S
L A1195
R B8
F
R B1
S
L A1196
R B8
F
R B2
S
L A1197
R B8
F
R B3
S
L A1198
R B8
F
R B4
S
L A1199
R B8
F
R B7
S
L A1200
R B8
F
R B10
S
L A1201
R B8
F
R A3
S
L A1202
R B8
F
R A34
S
L A1203
R B6
R B1
H
S
L A1204
R B6
R B1
R B1
S
L A1205
R B6
R B1
R B3
S
L A1206
R B6
R B1
R B4
S
L A1207
R B6
R B1
R B7
S
L A1208
R B6
R B1
R B10
S
L A1209
R B6
R B1
R A3
S
L A1210
R B6
R B1
R A34
S
L A1211
R B8
R B1
R B1
S
L A1212
R B8
R B1
R B2
S
L A1213
R B8
R B1
R B3
S
L A1214
R B8
R B1
R B4
S
L A1215
R B8
R B1
R B7
S
L A1216
R B8
R B1
R B10
S
L A1217
R B8
R B1
R A3
S
L A1218
R B8
R B1
R A34
S
L A1219
R B6
H
H
O
L A1220
R B6
H
R B1
O
L A1221
R B6
H
R B3
O
L A1222
R B6
H
R B4
O
L A1223
R B6
H
R B7
O
L A1224
R B6
H
R B10
O
L A1225
R B6
H
R A3
O
L A1226
R B6
H
R A34
O
L A1227
R B8
H
R B1
O
L A1228
R B8
H
R B2
O
L A1229
R B8
H
R B3
O
L A1230
R B8
H
R B4
O
L A1231
R B8
H
R B7
O
L A1232
R B8
H
R B10
O
L A1233
R B8
H
R A3
O
L A1234
R B8
H
R A34
O
L A1235
R B6
F
H
O
L A1236
R B6
F
R B1
O
L A1237
R B6
F
R B3
O
L A1238
R B6
F
R B4
O
L A1239
R B6
F
R B7
O
L A1240
R B6
F
R B10
O
L A1241
R B6
F
R A3
O
L A1242
R B6
F
R A34
O
L A1243
R B8
F
R B1
O
L A1244
R B8
F
R B2
O
L A1245
R B8
F
R B3
O
L A1246
R B8
F
R B4
O
L A1247
R B8
F
R B7
O
L A1248
R B8
F
R B10
O
L A1249
R B8
F
R A3
O
L A1250
R B8
F
R A34
O
L A1251
R B6
R B1
H
O
L A1252
R B6
R B1
R B1
O
L A1253
R B6
R B1
R B3
O
L A1254
R B6
R B1
R B4
O
L A1255
R B6
R B1
R B7
O
L A1256
R B6
R B1
R B10
O
L A1257
R B6
R B1
R A3
O
L A1258
R B6
R B1
R A34
O
L A1259
R B8
R B1
R B1
O
L A1260
R B8
R B1
R B2
O
L A1261
R B8
R B1
R B3
O
L A1262
R B8
R B1
R B4
O
L A1263
R B8
R B1
R B7
O
L A1264
R B8
R B1
R B10
O
L A1265
R B8
R B1
R A3
O
L A1266
R B8
R B1
R A34
O,
L A1267 through L A1298 that are based on a structure of Formula VI,
in which R 1 , R 2 , and R 14 are defined as provided below:
Ligand
R 1
R 2
R 14
L A1267
R B6
H
H
L A1268
R B6
H
R B1
L A1269
R B6
H
R B3
L A1270
R B6
H
R B4
L A1271
R B6
H
R B7
L A1272
R B6
H
R B10
L A1273
R B6
H
R A3
L A1274
R B6
H
R A34
L A1275
R B8
H
H
L A1276
R B8
H
R B1
L A1277
R B8
H
R B3
L A1278
R B8
H
R B4
L A1279
R B8
H
R B7
L A1280
R B8
H
R B10
L A1281
R B8
H
R A3
L A1282
R B8
H
R A34
L A1283
H
R B6
H
L A1284
H
R B6
R B1
L A1285
H
R B6
R B3
L A1286
H
R B6
R B4
L A1287
H
R B6
R B7
L A1288
H
R B6
R B10
L A1289
H
R B6
R A3
L A1290
H
R B6
R A34
L A1291
H
R B8
H
L A1292
H
R B8
R B1
L A1293
H
R B8
R B3
L A1294
H
R B8
R B4
L A1295
H
R B8
R B7
L A1296
H
R B8
R B10
L A1297
H
R B8
R A3
L A1298
H
R B8
R A34 ;
wherein R B1 to R B4 , R B6 to R B7 , and R B10 have the following structures:
and
wherein R A 3 and R A34 have the following structures:
14. The neutral compound of claim 13 , wherein L Bj is selected from the following:
15. A device comprising a first organic light emitting device, the first organic light emitting device comprising:
an anode;
a cathode; and
an organic layer, disposed between the anode and the cathode, comprising a neutral compound comprising a ligand L A of Formula I:
wherein Ring B represents a five- or six-membered aromatic ring;
wherein R 3 represents from none to the maximum number of substitutions;
wherein X 1 , X 2 , X 3 , and X 4 are each independently a CR or N;
wherein at least one of X 1 , X 2 , or X 3 is nitrogen;
wherein (a) R 1 is CR 11 R 12 R 13 or joins with R 2 to form into a ring; or
(b) R 2 is not hydrogen, or
(c) both (a) and (b) are true;
wherein R, R 1 , R 2 , R 3 , R 11 , R 12 , and R 13 are each independently selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, acyl, carbonyl, carboxylic acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein, with the exception of a ring between R and R 2 , any two substituents among R, R 1 , R 2 , R 3 , R 11 , R 12 , and R 13 are optionally joined to form into an aromatic ring;
wherein L A is coordinated to a metal M;
wherein L A is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand; and
wherein M is optionally coordinated to other ligands.
16. The first device of claim 15 , wherein the first device is selected from the group consisting of a consumer product, an electronic component module, an organic light-emitting device, and a lighting panel.
17. The first device of claim 15 , wherein the organic layer is an emissive layer and the neutral compound is an emissive dopant or a non-emissive dopant.
18. The first device of claim 15 , wherein the organic layer further comprises a host, wherein the host comprises at least one chemical group selected from the group consisting of carbazole, dibenzothiophene, dibenzofuran, dibenzoselenophene, azacarbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-dibenzoselenophene.
19. The first device of claim 15 , wherein the organic layer further comprises a host, wherein the host is selected from the group consisting of:
and combinations thereof.
20. A consumer product comprising a first device comprising a first organic light emitting device, wherein the first organic light emitting device comprising:
an anode;
a cathode; and
an organic layer, disposed between the anode and the cathode, comprising a neutral compound comprising a ligand L A of Formula I:
wherein Ring B represents a five- or six-membered aromatic ring;
wherein R 3 represents from none to the maximum number of substitutions;
wherein X 1 , X 2 , X 3 , and X 4 are each independently a CR or N;
wherein at least one of X 1 , X 2 , or X 3 is nitrogen;
wherein (a) R 1 is CR 11 R 12 R 13 or joins with R 2 to form into a ring; or
(b) R 2 is not hydrogen, or
(c) both (a) and (b) are true;
wherein R, R 1 , R 2 , R 3 , R 11 , R 12 , and R 13 are each independently selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, acyl, carbonyl, carboxylic acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein, with the exception of a ring between R and R 2 , any two substituents among R, R 1 , R 2 , R 3 , R 11 , R 12 , and R 13 are optionally joined to form into an aromatic ring;
wherein L A is coordinated to a metal M;
wherein L A is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand; and
wherein M is optionally coordinated to other ligands.
21. The consumer product of claim 20 , wherein the consumer product is selected from the group consisting of flat panel displays, computer monitors, medical monitors, televisions, billboards, lights for interior or exterior illumination and/or signaling, heads-up displays, fully or partially transparent displays, flexible displays, laser printers, telephones, mobile phones, tablets, phablets, personal digital assistants (PDAs), wearable devices, laptop computers, digital cameras, camcorders, viewfinders, micro-displays, 3-D displays, virtual reality or augmented reality displays, vehicles, video walls comprising multiple displays tiled together, theater or stadium screen, and a sign.