IP Library › Granted Patent US 8,115,378
Granted Patent B2
US 8,115,378 · App. 11/960,807 · Granted Feb 14, 2012

Tetra-substituted chrysenes for luminescent applications

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,115,378
App. No.
11/960,807
Granted
Feb 14, 2012
Kind
B2
Abstract

This invention relates to electroluminescent 3,6,9,12-tetrasubstituted chrysenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene composition.

Claims (10)

1. An organic electronic device comprising:

a. a first electrical contact layer;

b. a layer comprising a composition of Formula I

wherein each R is 4-t-butyl phenyl; and

c. a second electrical contact layer.

2. An organic electronic device comprising:

a. a first electrical contact layer;

b. a layer comprising a composition of Formula I

R is 2,4,6-trimethylphenyl; and

c. a second electrical contact layer.

Assignments (2)
PATENT AND TRADEMARK SECURITY AGREEMENT Recorded Apr 26, 2012
From: PARADYNE CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 028115/0393 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2008
From: IONKIN, ALEX SERGEY
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 020707/0927 →