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US 2016/0240799 A1Published application
Organic electroluminescent materials and devices
AssigneeUniversal Display Corporation
InventorsJui-Yi TSAI, Chuanjun XIA, Miguel A. ESTERUELAS, Roberto G. ALABAU, Montserrat OLIVAN, Enrique OÑATE
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Abstract
A compound having a structure of formula OsL1L2 is described. In the structure of OsL1L2, L1 is a tetradentate ligand coordinated to Os; L2 a bidentate ligand coordinated to Os; is and L1 adopts a non-square planar coordination geometry. Formulations and devices, such as an OLEDs, that include the compound of Formula OsL1L2 are also described.
Claims22
A compound having a formula OsL1L2;
- wherein L1 is a tetradentate ligand coordinated to Os;
- wherein L2 is a bidentate ligand coordinated to Os;
- and
- wherein L1 adopts a non-square planar coordination geometry.
1 more element
A first organic light emitting device trising:
- an anode;
- a cathode;
- and
- an organic layer, disposed between the anode and the cathode, comprising a compound having a formula OsL1L2;
- wherein L1 is a tetradentate ligand coordinated to Os;
- wherein L2 is a bidentate ligand coordinated to Os;
- and
- wherein L1 adopts a non-square planar coordination geometry.
5 more elements
(canceled)
(canceled)
A formulation comprising a compound having a formula OsL1L2;
- wherein L1 is a tetradentate ligand coordinated to Os;
- wherein L2 is a bidentate ligand coordinated to Os;
- and
- wherein L1 adopts a non-square planar coordination geometry.
1 more element
Dependencies are inferred from the claim text.