IP Library Granted Patent US 8,192,848
Granted Patent B2
US 8,192,848 · App. 12/350,338 · Granted Jun 5, 2012

Substituted pyrenes and associated production methods for luminescent applications

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Quick Facts
Patent No.
US 8,192,848
App. No.
12/350,338
Granted
Jun 5, 2012
Kind
B2
Abstract

A substituted pyrene for electroluminescent applications and a method to produce the substituted pyrenes.

Claims (12)

1. An organic electronic device comprising:

a first electrical contact layer;

a second electrical contact layer; and

an organic layer comprising a pyrene composition having Formula I

wherein R 1 and R 2 are independently selected from the group consisting of

2-naphthyl; 4-biphenyl, 3-biphenyl and 4-(1-naphthyl)-phenyl.

2. A device of claim 1 wherein the organic layer is an active layer.

3. A device of claim 2 wherein said active layer is a photoactive layer.

4. A device of claim 2 wherein said active layer is an electron transport layer.

5. A device of claim 2 wherein the pyrene composition comprises less than 20% by weight of the total weight of the active layer.

6. A device of claim 3 wherein the pyrene composition comprises less than 20% by weight of the total weight of the photoactive layer.

7. A device of claim 4 wherein the pyrene composition comprises less than 20% by weight of the total weight of the electron transport layer.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 22, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: LG CHEM, LTD.
Reel/Frame 050150/0482 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 21, 2012
From: HERRON, NORMAN; GUIDRY, MARK A.; ROSTOVTSEV, VSEVOLOD
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 028240/0010 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 1, 2012
From: HERRON, NORMAN; GUIDRY, MARK A.; ROSTOVTSEV, VSEVOLOD
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 028135/0612 →