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US 2018/0026208 A1Published application
Organic electroluminescent materials and devices
AssigneeUniversal Display Corporation
InventorsJui-Yi Tsai, Zhiqiang Ji, Chuanjun Xia
Life of this patent
Estimating the term…
Abstract
The present invention includes iridium complexes containing novel hexadentate ligands. The multidentate iridium complexes show desired properties in term of EQE, LT, CIE, etc.
Claims22
A compound having Formula I:
- wherein rings C, D, E, and F are each independently a 5 or 6-membered carbocyclic or heterocyclic ring;
- wherein A-B, C-D, and E-F form three bidentate ligands coordinated to metal M;
- wherein A-B is selected from the group consisting of:
- wherein each R1, R2, R3, R4, R5, and R6 represent mono to the possible maximum number of substitution, or no substitution;
- wherein Xl, X2, X3, X4, Z1, Z2, Z3, Z4, Z5 and Z6 are each independently selected from the group consisting of carbon and nitrogen;
- wherein X is O, S, or Se;
- wherein M is a metal selected from the group consisting of Ir, Os, Rh, Ru, and Re;
- wherein R1, R2, R3, R4, R5, and R6 are each independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- wherein adjacent R1, R2, R3, R4, R5, and R6 groups are optionally joined or fused into a ring;
- and
- wherein at least one of R1 and R2, at least one of R3 and R4, and at least one of R5 and R6 connect to a same first chemical group.
8 more elements
An organic light-emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an organic layer, disposed between the anode and the cathode, comprising a compound having Formula I:
- wherein rings C, D, E, and F are each a 5 or 6-membered carbocyclic or heterocyclic ring;
- wherein A-B, C-D, and E-F form three bidentate ligands coordinated to metal M;
- wherein A-B is selected from the group consisting of:
- wherein each R1, R2, R3, R4, R5, and R6 represent mono to the possible maximum number of substitution, or no substitution;
- wherein X1, X2, X3, X4, Z1, Z2, Z3, Z4, Z5 and Z6 are each independently selected from the group consisting of carbon and nitrogen;
- wherein X is O, S, or Se;
- wherein M is a metal selected from the group consisting of Ir, Os, Rh, Ru, and Re;
- wherein R1, R2, R3, R4, R5, and R6 are each independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- wherein adjacent R1, R2, R3, R4, R5, and R6 groups are optionally joined or fused into a ring;
- and
- wherein at least one of R1 and R2, one of R3 and R4, and one of R5 and R6 connect to a same first chemical group.
12 more elements
(canceled)
-21. (canceled)
A consumer product comprising an organic light-emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an organic layer, disposed between the anode and the cathode, comprising a compound having Formula I:
- wherein rings C, D, E, and F are each a 5 or 6-membered carbocyclic or heterocyclic ring;
- wherein A-B, C-D, and E-F form three bidentate ligands coordinated to metal M;
- wherein A-B is selected from the group consisting of:
- wherein each R1, R2, R3, R4, R5, and R6 represent mono to the possible maximum number of substitution, or no substitution;
- wherein X1, X2, X3, X4, Z1, Z2, Z3, Z4, Z5 and Z6 are each independently selected from the group consisting of carbon and nitrogen;
- wherein X is O, S, or Se;
- wherein M is a metal selected from the group consisting of Ir, Os, Rh, Ru, and Re;
- wherein R1, R2, R3, R4, R5, and R6 are each independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- wherein adjacent R1, R2, R3, R4, R5, and R6 groups are optionally joined or fused into a ring;
- and
- wherein at least one of R1 and R2, one of R3 and R4, and one of R5 and R6 connect to a same first chemical group.
12 more elements
Dependencies are inferred from the claim text.