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US 12,606,582 B2Granted
Organic electroluminescent materials and devices
AssigneeUniversal Display Corporation
InventorsJerald Feldman, Hsiao-Fan Chen
Life of this patent
Estimating the term…
Abstract
Disclosed is a compound including a ligand LA of Formula I, In Formula I, moiety B is a monocyclic or polycyclic ring structure comprising 5- and/or 6-membered rings; Y is selected from O, S, NR, and CRR′; Z is carbon or nitrogen; each R, R′, RA, and RB is independently hydrogen or a substituent; LA is coordinated to a metal M; and any two adjacent R, R′, RA, and RB can be joined or fused together to form a ring. Formulations, organic light emitting diodes, and consumer products including the compound are also disclosed.
Claims20
A compound comprising a ligand LA of Formula I,
- wherein:
- the compound is a neutral organometallic complex:
- moiety B is a monocyclic or polycyclic ring structure comprising 5-membered and/or 6-membered carbocyclic or heterocyclic rings;
- Y is selected from the group consisting of O, S, NR, and CRR′;
- Z is carbon or nitrogen;
- RA and RB each independently represents mono to the maximum allowable substitution, or no substitution;
- each R, R′, RA, and RB is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, boryl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, selenyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- LA is coordinated to a metal M;
- metal M can be coordinated to other ligands;
- LA can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand;
- and
- any two adjacent R, R′, RA, and RB can be joined or fused together to form a ring.
9 more elements
An organic light emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a compound comprising a ligand LA of Formula I,
- wherein
- moiety B is a monocyclic or polycyclic ring structure comprising 5-membered and/or 6-membered carbocyclic or heterocyclic rings;
- Y is selected from the group consisting of O, S, NR, and CRR′;
- Z is carbon or nitrogen;
- RA and RB each independently represents mono to the maximum allowable substitution, or no substitution;
- each R, R′, RA, and RB is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, boryl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, selenyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- LA is coordinated to a metal M;
- metal M can be coordinated to other ligands;
- LA can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand;
- and
- any two adjacent R, R′, RA, and RB can be joined or fused together to form a ring . . .
12 more elements
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, wherein the organic layer comprises a compound comprising a ligand LA of Formula I,
- wherein
- moiety B is a monocyclic or polycyclic ring structure comprising 5-membered and/or 6-membered carbocyclic or heterocyclic rings;
- Y is selected from the group consisting of O, S, NR, and CRR′;
- Z is carbon or nitrogen;
- RA and RB each independently represents mono to the maximum allowable substitution, or no substitution;
- each R, R′, RA, and RB is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, boryl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, selenyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- LA is coordinated to a metal M;
- metal M can be coordinated to other ligands;
- LA can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand;
- and
- any two adjacent R, R′, RA, and RB can be joined or fused together to form a ring.
12 more elements
Dependencies are inferred from the claim text.