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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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