IP Library › Granted Patent US 7,332,233
Granted Patent B2
US 7,332,233 · App. 10/912,287 · Granted Feb 19, 2008

Iridium compound and organic electroluminescent device using the same

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Quick Facts
Patent No.
US 7,332,233
App. No.
10/912,287
Granted
Feb 19, 2008
Kind
B2
Abstract

A blue phosphorescent compound and an organic electroluminescent device using the same are provided. The blue phosphorescent compound can emit deep blue light and can improve color purity and reduce power consumption when used in an organic electroluminescent device.

Claims (3)

1. An iridium compound selected from the group consisting of compounds having formulas:

2. An organic electroluminescent device comprising an organic layer between a pair of electrodes, the organic layer including a compound according to claim 1 .

3. An organic electroluminescent device of claim 2 , wherein the organic layer is an emissive layer.

Assignments (3)
MERGER Recorded Aug 29, 2012
From: SAMSUNG MOBILE DISPLAY CO., LTD.
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 028884/0453 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 15, 2008
From: SAMSUNG SDI CO., LTD.
To: SAMSUNG MOBILE DISPLAY CO., LTD.
Reel/Frame 022024/0026 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 6, 2004
From: PARK, SOO-JIN; LEE, KWAN-HEE; JUNG, DONG-HYUN; SHIN, DAE-YUP; KWON, TAE-HYOK; HONG, JONG-IN
To: SAMSUNG SDI CO., LTD.
Reel/Frame 015669/0008 →