US5409783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Red-emitting organic electroluminescent device
Assignee: Global OLED Technology LLC
•
Filing: 1994-02-24
•
Granted: 1995-04-25
•
Expires: 2014-02-24
Abstract
Abstract Disclosed is a red-emitting organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound capable of emitting a wavelength in the range of 660 to 780 nm.
Inventors
- 👤 Ching W. Tang
- 👤 Charles H. Weidner
- 👤 Dustin L. Comfort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:19
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/14; C; C09; C09K; C09K11/00; C09K11/06; Y; Y10; Y10S; Y10S428/00; Y10S428/917
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
69 words
An organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound capable of emitting a wavelength in the range of 660 to 780 nm wherein the phthalocyanine compound constitutes 0.01 to 3 vol. % of the doped luminescent zone.
Claim 2
Dependent Claim
69 words
An organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound capable of emitting a wavelength in the range of 660 to 780 nm wherein the phthalocyanine compound constitutes 0.01 to 3 vol. % of the doped luminescent zone.
Claim 3
Dependent Claim
64 words
The organic electroluminescent device in accordance with claim 1 wherein said phthalocyanine compound has the structure: ##STR14## wherein M is selected from 2H and a metal, X is selected from hydrogen, halogen and a steric group, and (Y)B wherein B is 0 or 1, and Y is one of the group consisting of a halogen, alkoxyl and phenoxyl containing compound when B is 1.
Claim 4
Dependent Claim
29 words
The organic electroluminescent device in accordance with claim 2 wherein M is a metal selected from the group consisting of Mg, Li, Na, Ca, Zn, Al, Ga and In.
Claim 5
Dependent Claim
24 words
The organic electroluminescent device in accordance with claim 1 wherein the steric group is selected from methyl, ethyl, pentyl, t-butyl, t-amyl and methoxy group.
Claim 6
Dependent Claim
19 words
The organic electroluminescent device in accordance with claim 2 wherein the halogen is selected from Cl, F and Br.
Claim 7
Dependent Claim
18 words
The organic electroluminescent device in accordance with claim 1 wherein the phthalocyanine compound is a metal-free phthalocyanine compound.
Claim 8
Dependent Claim
21 words
The organic electroluminescent device in accordance with claim 1 wherein the electroluminescent device has an emission wavelength beyond the visible range.
Claim 9
Dependent Claim
24 words
The organic electroluminescent device in accordance with claim 1 wherein the phthalocyanine compound constitutes 0.05 to 1 vol. % of the doped luminescent zone.
Claim 10
Dependent Claim
28 words
The organic electroluminescent device in accordance with claim 1 wherein the doped luminescent zone is comprised of a phthalocyanine compound and a host material comprised of metalized oxines.
Claim 11
Dependent Claim
27 words
The organic electroluminescent device in accordance with claim 1 wherein the doped luminescent zone is comprised of a phthalocyanine compound and a host material comprised of Tris(8-quinolinol)aluminum.
Claim 12
Dependent Claim
127 words
A red-emitting organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound and wherein the phthalocyanine compound constitutes 0.01 to 3 vol. % of the doped luminescent Zone and having the structure: ##STR15## wherein: M is selected from 2H and a metal, X 1 or X 2 is one of the group selected from hydrogen, halogen, C n H 2n+1 where n is 0 to 20, and cyano groups, and (Y) B wherein B is 0 or 1, and Y is selected from the group consisting of halogen, alkoxyl and phenoxyl containing compounds when B is 1.
Claim 13
Dependent Claim
127 words
A red-emitting organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound and wherein the phthalocyanine compound constitutes 0.01 to 3 vol. % of the doped luminescent Zone and having the structure: ##STR15## wherein: M is selected from 2H and a metal, X 1 or X 2 is one of the group selected from hydrogen, halogen, C n H 2n+1 where n is 0 to 20, and cyano groups, and (Y) B wherein B is 0 or 1, and Y is selected from the group consisting of halogen, alkoxyl and phenoxyl containing compounds when B is 1.
Claim 14
Dependent Claim
110 words
A red-emitting organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound and wherein the phthalocyanine compound constitutes 0.01 to 3 vol. % of the doped luminescent gone and having the structure: ##STR16## wherein: M is selected from the group consisting of Mg, Li, Na, Ca, Zn, Al, Ga and In, X is selected from H, (Y) B wherein B is 0 or 1, and Y is selected from the group consisting of Cl and F when B is 1.
Claim 15
Dependent Claim
110 words
A red-emitting organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound and wherein the phthalocyanine compound constitutes 0.01 to 3 vol. % of the doped luminescent gone and having the structure: ##STR16## wherein: M is selected from the group consisting of Mg, Li, Na, Ca, Zn, Al, Ga and In, X is selected from H, (Y) B wherein B is 0 or 1, and Y is selected from the group consisting of Cl and F when B is 1.
References Cited (Backward Citations)
US2733367A
Cited
US2941104A
Cited
US3180730A
Cited
US3172862A
Cited
US3173050A
Cited
US3359445A
Cited
US3530325A
Cited
US3567450A
Cited
US3658520A
Cited
US3621321A
Cited
US3710167A
Cited
US3772556A
Cited
US3935031A
Cited
US3995299A
Cited
US4175960A
Cited
US4035686A
Cited
US4356429A
Cited
US4539507A
Cited
US4695717A
Cited
US4725513A
Cited
US4741976A
Cited
US4775820A
Cited
US4720432A
Cited
US4769292A
Cited
US5126214A
Cited
US4950950A
Cited
US5059862A
Cited
US5283132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-24 | 1998-10-24 | 1999-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-24 | 2002-10-24 | 2003-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-24 | 2006-10-24 | 2007-04-25 | $7700.00 | Window Closed / Lapsed |