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US 9,040,170 B2Granted
Electroluminescent device with quinazoline complex emitter
AssigneeGlobal OLED Technology LLC
InventorsJoseph C. Deaton, Barbara B. Lussier
Life of this patent
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Abstract
An OLED device comprises a cathode, an anode, and located therebetween a light-emitting layer containing a host material and a tris-C^N-cyclometallated complex of Ir or Rh wherein at least one of the ligands comprises a substituted quinazoline moiety. The device provides useful emission and stability attributes.
Claims10
An OLED device comprising a cathode, an anode, and located therebetween a light-emitting layer containing a host material and a tris-C^N-cyclometallated complex represented by Formula (2d):
- wherein:
- each d1 represents an independently selected substituent and s is 0-4;
- each d2 represents an independently selected substituent and t is 0-4;
- and
- d3 represents hydrogen or a substituent.
2 more elements
A tris-C^N-cyclometallated complex is represented by Formula (2d):
- wherein:
- each d1 represents an independently selected substituent and s is 0-4;
- each d2 represents an independently selected substituent and t is 0-4;
- and
- d3 represents hydrogen or a substituent.
2 more elements
The tris-C^N-cyclometallated complex
Dependencies are inferred from the claim text.