Organometallic platinum complexes for phosphorescence based organic light emitting devices

• US 6,911,271 B1
• Filed: 08/11/2000
• Issued: 06/28/2005
• Est. Priority Date: 08/11/2000
• Status: Expired due to Term

• Current Assignee: The Trustees of Princeton University (Princeton University)
• Original Assignee: University of Southern California
• Inventors: Lamansky, Sergey, Thompson, Mark E.
• Primary Examiner(s): YAMNITZKY, MARIE ROSE
• Application Number:
  US09/637,766
• Time in Patent Office: 1,782 Days
• Field of Search: 428/690, 428/917, 313/504, 313/506, 257/40, 257/102, 257/103, 252/301.16, 546/2, 546/4, 546/10, 546/101, 546/281.1, 546/326, 546/346
• US Class Current: 428/690
• CPC Class Codes: C07F 15/0033 Iridium compounds
• CPC Class Codes: C07F 15/0086 Platinum compounds
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1007 Non-condensed systems
• CPC Class Codes: C09K 2211/1011 Condensed systems
• CPC Class Codes: C09K 2211/1014 bridged by heteroatoms, e.g. N, P, Si or B
• CPC Class Codes: C09K 2211/1029 containing one nitrogen atom as the heteroatom
• CPC Class Codes: C09K 2211/1092 containing sulfur as the only heteroatom
• CPC Class Codes: C09K 2211/185 of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
• CPC Class Codes: H10K 2101/10 Triplet emission
• CPC Class Codes: H10K 50/11 characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 85/341 Transition metal complexes, e.g. Ru(II)polypyridine complexes H10K85/331 takes precedence
• CPC Class Codes: H10K 85/342 comprising iridium
• CPC Class Codes: H10K 85/346 comprising platinum
• CPC Class Codes: Y10S 428/917 Electroluminescent

Abstract

A device for producing electroluminescence comprising an organic light emitting device including an emissive layer comprising an organometallic compound comprised of a metal bound to a single carbon-coordination ligand, with the single carbon-coordination ligand being a mono-anionic carbon-coordination ligand.

Claims

1. An organic light emitting device including an emissive layer comprising an organometallic compound, wherein the organometallic compound has a chemical structure represented by a formula selected from the group consisting of:

3. The organic light emitting device of claim 1, wherein the organometallic compound has a chemical structure represented by the formula:

4. The organic light emitting device of claim 1, wherein the organometallic compound has a chemical structure represented by the formula:

5. The organic light emitting device of claim 1, wherein the organometallic compound has a chemical structure represented by the formula:

6. The organic light emitting device of claim 1, wherein the organometallic compound has a chemical structure represented by the formula:

7. The organic light emitting device of claim 1, wherein the organometallic compound has a chemical structure represented by the formula:

8. The organic light emitting device of claim 1, wherein the organometallic compound has a chemical structure represented by the formula:

9. The organic light emitting device of claim 1, wherein the organometallic compound has a chemical structure represented by the formula:

2. An organometallic compound having a chemical structure represented by a formula selected from the group consisting of:

10. The organometallic compound of claim 2, wherein the organometallic compound has a chemical structure represented by the formula:

11. The organometallic compound of claim 2, wherein the organometallic compound has a chemical structure represented by the formula:

12. The organometallic compound of claim 2, wherein the organometallic compound has a chemical structure represented by the formula:

13. The organometallic compound of claim 2, wherein the organometallic compound has a chemical structure represented by the formula:

14. The organometallic compound of claim 2, wherein the organometallic compound has a chemical structure represented by the formula:

15. The organometallic compound of claim 2, wherein the organometallic compound has a chemical structure represented by the formula: