IP Library › Granted Patent US 8,067,100
Granted Patent B2
US 8,067,100 · App. 12/240,584 · Granted Nov 29, 2011

Complexes with tridentate ligands

Assignee: Universal Display Corporation
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Quick Facts
Patent No.
US 8,067,100
App. No.
12/240,584
Granted
Nov 29, 2011
Kind
B2
Abstract

The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.

Claims (9)

1. A compound, having a structure selected from:

2. An organic light emitting device, comprising:

an anode;

a cathode; and

a phosphorescent emissive region disposed between the anode and the cathode, wherein the emissive material is selected from:

3. The organic light emitting device of claim 2 , wherein the emissive material is

4. The organic light emitting device of claim 2 , wherein the emissive material is

5. The compound of claim 1 , having a structure:

6. The compound of claim 1 , having a structure:

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 9, 2009
From: WALTERS, ROBERT W; TSAI, JUI-YI; MACKENZIE, PETER BORDEN; BEERS, SCOTT A
To: UNIVERSAL DISPLAY CORPORATION
Reel/Frame 022084/0120 →
Continuity (1)
Related Publication 20090115322A1 · May 7, 2009