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US 11,380,855 B2Granted
Organic electroluminescent materials and devices
AssigneeUniversal Display Corporation
InventorsScott Beers, Chuanjun Xia, Harvey Wendt, Suman Layek
Life of this patent
Estimating the term…
Abstract
Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs.
Claims20
A compound having the formula Ir(LA)n(LB)3-n, having the structure:
- wherein A1, A2, A3, A4, A6, A7, and A8 comprise carbon;
- wherein A5 is nitrogen;
- wherein ring B is bonded to ring A through a C—C bond;
- wherein the iridium is bonded to ring A through a Ir—C bond;
- wherein (i) A4 is bonded to ring B and A3 is bonded to Ir, (ii) A3 is bonded to ring B and A2 is bonded to Ir, (iii) A2 is bonded to ring B and A1 is bonded to Ir, (iv) A1 is bonded to ring B and A2 is bonded to Ir, or (v) A3 is bonded to ring B and A4 is bonded to Ir;
- wherein X is O, S, or Se;
- wherein R1, R2, R3, and R4 independently represent mono-, di-, tri-, tetra-substitution, or no substitution;
- wherein any adjacent substitutions in R1, R2, R3, and R4 are optionally linked together to form a ring;
- wherein R1, R2, R3, and R4 are 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;
- and
- wherein n is an integer from 1 to 2.
8 more elements
A first device comprising a first organic light emitting device, comprising:
- an anode;
- a cathode;
- and
- an organic layer, disposed between the anode and the cathode, comprising a compound having the formula Ir(LA)n(LB)3-n, having the structure:
- wherein A1, A2, A3, A4, A6, A7, and A8 comprise carbon;
- wherein A5 is nitrogen;
- wherein ring B is bonded to ring A through a C—C bond;
- wherein the iridium is bonded to ring A through a Ir—C bond;
- wherein (i) A4 is bonded to ring B and A3 is bonded to Ir, (ii) A3 is bonded to ring B and A2 is bonded to Ir, (iii) A2 is bonded to ring B and A1 is bonded to Ir, (iv) A1 is bonded to ring B and A2 is bonded to Ir, or (v) A3 is bonded to ring B and A4 is bonded to Ir;
- wherein X is O, S, or Se;
- wherein R1, R2, R3, and R4 independently represent mono-, di-, tri-, tetra-substitution, or no substitution;
- wherein any adjacent substitutions in R1, R2, R3, and R4 are optionally linked together to form a ring;
- wherein R1, R2, R3, and R4 are 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;
- and
- wherein n is an integer from 1 to 2.
12 more elements
A consumer product comprising an organic light-emitting device comprising:
- an anode;
- a cathode;
- and
- an organic layer, disposed between the anode and the cathode, comprising a compound having the formula Ir(LA)n(LB)3-n, having the structure:
- wherein A1, A2, A3, A4, A6, A7, and A8 comprise carbon;
- wherein A5 is nitrogen;
- wherein ring B is bonded to ring A through a C—C bond;
- wherein the iridium is bonded to ring A through a Ir—C bond;
- wherein (i) A4 is bonded to ring B and A3 is bonded to Ir, (ii) A3 is bonded to ring B and A2 is bonded to Ir, (iii) A2 is bonded to ring B and A1 is bonded to Ir, (iv) A1 is bonded to ring B and A2 is bonded to Ir, or (v) A3 is bonded to ring B and A4 is bonded to Ir;
- wherein X is O, S, or Se;
- wherein R1, R2, R3, and R4 independently represent mono-, di-, tri-, tetra-substitution, or no substitution;
- wherein any adjacent substitutions in R1, R2, R3, and R4 are optionally linked together to form a ring;
- wherein R1, R2, R3, and R4 are 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;
- and
- wherein n is an integer from 1 to 2.
12 more elements
Dependencies are inferred from the claim text.