IP Library › Granted Patent US 8,431,243
Granted Patent B2
US 8,431,243 · App. 12/044,234 · Granted Apr 30, 2013

Phosphorescent materials containing iridium complexes

Inventors: Raymond Kwong (Plainsboro, NJ); Bin Ma (Plainsboro, NJ); Chuanjun Xia (Lawrenceville, NJ); Bert Alleyne (Ewing, NJ); Jason Brooks (Philadelphia, PA)
Assignee: Universal Display Corporation
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Quick Facts
Patent No.
US 8,431,243
App. No.
12/044,234
Granted
Apr 30, 2013
Kind
B2
Abstract

Phosphorescent materials comprising iridium complexes of Formula I are provided. Compounds of Formula I are red emitters, and OLED devices incorporating these compounds have improved properties such as higher efficiency and stability.

Claims (6)

1. A compound, which is:

2. An organic light emitting device comprising:

an anode;

a cathode; and

an emissive organic layer, disposed between the anode and the cathode, the organic layer further comprising a compound, which is:

3. The device of claim 2 , wherein the organic emissive layer further comprises BAlq or

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 11, 2008
From: KWONG, RAYMOND; MA, BIN; XIA, CHUANJUN; ALLEYNE, BERT; BROOKS, JASON
To: UNIVERSAL DISPLAY CORPORATION
Reel/Frame 021079/0644 →
Continuity (2)
Provisional Application 60905758 · Mar 8, 2007
Related Publication 20080261076A1 · Oct 23, 2008