IP Library Granted Patent US 8,362,275
Granted Patent B2
US 8,362,275 · App. 13/491,682 · Granted Jan 29, 2013

Dihalogen indolocarbazole monomers and poly(indolocarbazoles)

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Quick Facts
Patent No.
US 8,362,275
App. No.
13/491,682
Granted
Jan 29, 2013
Kind
B2
Abstract

Monomers and polymers based on dihalogen indolocarbazole and poly(indolocarbazoles), and methods of making such and using the same are described, as well as organic electronic devices incorporating the same.

Claims (11)

1. A compound made from a monomer of formula I or II comprising an oligamer or a polymer

wherein:

R 1 is 2′-ethylhexyl, or 2-[2-(2-methoxyethoxy)ethoxy]ethyl.

2. A polymer of claim 1 comprising a co-polymer, a homopolymer, a block co-polymer, or combinations thereof.

3. The polymer of claim 2 that is poly (N,N′-Di(2′-ethylhexyl)-5,11-dihydroindolo[3,2-b]carbazole); poly{N,N′-bis[2-[2-(2-methoxyethoxy)ethoxy]ethyl]-5,11-dihydroindolo[3,2-b]carbazole}; poly{N,N′-bis[2-[2- (2-methoxyethoxy)ethoxy]ethyl]-5,11-dihydroindolo[3,2-b]carbazole-co-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]-phenylene}; poly{N,N′-bis[2-[2-(2-methoxyethoxy)ethoxy]ethyl]-5,11-dihydroindolo[3,2-b]carbazole-co-9,9-bis[2-[2-(2-methoxyethoxy)ethoxy]ethyl]-fluorene}; poly{9,9-bis[2-[2-(2-methoxyethoxy)ethoxy]ethyl]fluorene}; poly{2-[9 ,9-Bis-(2-ethyl-hexyl)-7-methyl-9H-fluoren-2-yl]-6-[9-(2-ethyl-butyl)-9-(2-ethyl-heptyl)-7-methyl-9H-fluoren-2-yl]-benzo[1,2-d;4,5-d′]bisoxazole}, wherein n is greater than 20; combinations thereof, conjugates thereof, or derivatives thereof.

4. A material comprising an oligomer or a polymer of claim 1 .

5. The material of claim 4 further comprising a solvent, a processing aid, or combinations thereof.

6. An organic electronic device having at least one layer comprising the material of claim 4 .

7. The device of claim 6 wherein the material forms a charge transport layer.

8. The device of claim 6 wherein the charge transport layer is a hole transport layer.

9. The device of claim 6 that is a light-emitting diode, a light-emitting diode display, a diode laser, a photodetector, a photoconductive cell, a photoresistor, a photo switch, a phototransistor, a phototube, an IR-detector, a photovoltaic device, a solar cell, a light sensor, a photoconductor, an electrophotographic device, or an organic transistor.

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 Feb 22, 2019
From: WANG, HAILIANG
To: DUPONT DISPLAYS, INC.
Reel/Frame 048412/0150 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 22, 2019
From: DUPONT DISPLAYS, INC.
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 048412/0231 →