Carbene compounds and organic electroluminescent devices
AssigneeUniversity of Southern California
InventorsMark E. Thompson, Peter I. Djurovich, Rasha Hamze, Shuyang Shi, Moon Chul Jung
Life of this patent
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Abstract
Provided is a compound having Formula I where rings A and B are independently a five-membered or six-membered, carbocyclic or heterocyclic ring, each of which is optionally aromatic; together with nitrogen atoms bonded to ring A and ring B, ring W is a 5-membered N-heterocyclic carbene; and the remaining variables are as defined herein.
Claims17
A compound having Formula I
- wherein
- X1 and X4 can be both C or both N;
- X2 and X3 are C;
- ring A and ring B are each a benzene ring with at least one substituent at ortho position;
- L is a monodentate ligand with a coordinating member selected from the group consisting of C, N, O, S, and P;
- M is a metal selected from the group consisting of Au and Ag;
- and
- each of RA and RB represents mono-substituted or di-substituted alkyl.
An organic electroluminescent device (OLED) that includes an anode, a cathode, and an organic layer comprising a compound having Formula I
- wherein
- X1 and X4 can be both C or both N;
- X2 and X3 are C;
- ring A and ring B are each a benzene ring with at least one substituent at ortho position;
- L is a monodentate ligand with a coordinating member selected from the group consisting of C, N, O, S, and P;
- M is a metal selected from the group consisting of Au and Ag;
- and
- each of RA and RB represents a mono-substituted or di-substituted alkyl.
A consumer product comprising an organic light-emitting device (OLED), the OLED including an anode, a cathode, and an organic layer comprising A compound having Formula I
- wherein
- X1 and X4 can be both C or both N;
- X2 and X3 are C;
- ring A and ring B are each a benzene ring with at least one substituent at ortho position;
- L is a monodentate ligand with a coordinating member selected from the group consisting of C, N, O, S, and P;
- M is a metal selected from the group consisting of Au and Ag;
- and
- each of RA and RB represents a mono-substituted or di-substituted alkyl.
Dependencies are inferred from the claim text.