US6083635A
Expired / Lapsed
US
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Conductive coatings
Assignee: Heraeus Deutschland GmbH and Co KG
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Filing: 1998-03-19
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Granted: 2000-07-04
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Expires: 2018-03-19
Abstract
Abstract Mixtures of A) neutral polythiophenes of formula (I), wherein R1 and R2 separately from one another represent hydrogen or a C1-4 alkyl group or together form an optionally substituted C1-4 alkylene radical, preferably a methylene radical optionally substituted by alkyl groups, an ethylene-1,2 radical optionally substituted by C-1-12 alkyl or phenyl groups, or a cyclohexylene-1,2 radical, and B) organic compounds containing dihydroxy or polyhydroxy and/or carboxyl groups or amide groups or lactam groups, as well as transparent, electrically conducting coatings made therefrom and electroluminescent systems containing a conductive layer produced from the abovementioned mixtures as the electrode.
Inventors
- 👤 Friedrich Jonas
- 👤 Alexander Karbach
- 👤 Bavo Muys
- 👤 Etienne van Thillo
- 👤 Rolf Wehrmann
- 👤 Andreas Elschner
- 👤 Ralf Dujardin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:32
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/12; C08G61/122; C08G61/123; C08G61/126; C09; C09D; C09D5/00; C09D5/24; H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/127; H01B1/128; H01G; H01G11/00; H01G11/22; H01G11/30; H01G11/48; H01G11/54; H01G11/56; H10; H10K; H10K50/00; H10K50/80; H10K50/805; H10K50/81; H10K59/00; H10K59/80; H10K59/805; H10K59/8051; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/13439; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/188; H10K50/10; H10K50/14; H10K50/17; H10K85/00; H10K85/10; H10K85/111; H10K85/113; Y; Y02; Y02E; Y02E60/00; Y02E60/13; Y10; Y10S; Y10S428/00; Y10S428/917
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
172 words
A polymeric luminescent diode containing a charge-transporting intermediate layer comprising a mixture of: (A) an aqueous solution comprising a water soluble polythiophene which is used in a cationic form with a polyanion, the polythiophene comprising a recurring structural unit of the formula (I): ##STR4## wherein R 1 and R 2 , independently of one another, represent hydrogen or a C 1 -C 4 alkyl group, or together form an optionally substituted C 1 -C 4 radical or a cyclohexylene-1,2, radical, and (B) an organic compound of the formula (II): ##STR5## wherein n and m, independently of one another, denote an integer from 1 to 20, R represents a linear, branched or cyclic alkylene radical having 2 to 20 carbon atoms, an optionally substituted arylene radical having 6 to 14 carbon atoms, a pyran radical or a furan radical, and X represents --OH or --NYZ, wherein Y and Z, independently of one another, represent hydrogen or alkyl, or (B) is a sugar, a sugar derivative, ethylene glycol, glycerol, diethylene glycol or triethylene glycol.
Claim 2
Dependent Claim
172 words
A polymeric luminescent diode containing a charge-transporting intermediate layer comprising a mixture of: (A) an aqueous solution comprising a water soluble polythiophene which is used in a cationic form with a polyanion, the polythiophene comprising a recurring structural unit of the formula (I): ##STR4## wherein R 1 and R 2 , independently of one another, represent hydrogen or a C 1 -C 4 alkyl group, or together form an optionally substituted C 1 -C 4 radical or a cyclohexylene-1,2, radical, and (B) an organic compound of the formula (II): ##STR5## wherein n and m, independently of one another, denote an integer from 1 to 20, R represents a linear, branched or cyclic alkylene radical having 2 to 20 carbon atoms, an optionally substituted arylene radical having 6 to 14 carbon atoms, a pyran radical or a furan radical, and X represents --OH or --NYZ, wherein Y and Z, independently of one another, represent hydrogen or alkyl, or (B) is a sugar, a sugar derivative, ethylene glycol, glycerol, diethylene glycol or triethylene glycol.
Claim 3
Dependent Claim
25 words
The polymeric luminescent diode according to claim 1, wherein the charge-transporting intermediate layer is positioned between a transparent conductive electrode and an electroluminescent polymeric layer.
Claim 4
Dependent Claim
24 words
The polymeric luminescent diode according to claim 1, wherein the charge-transporting intermediate layer is positioned between an electroluminescent polymeric layer and a covering electrode.
Claim 5
Dependent Claim
22 words
The polymeric luminescent diode according to claim 1, wherein the charge-transporting intermediate layer has a thickness of about 3 to 200 nm.
Claim 6
Dependent Claim
22 words
The polymeric luminescent diode according to claim 4, wherein the thickness of the charge-transporting intermediate layer is about 10 to 100 nm.
Claim 7
Dependent Claim
20 words
The polymeric luminescent diode according to claim 5, wherein the thickness of the charge-transporting intermediate layer is about 10 nm.
Claim 8
Dependent Claim
49 words
The polymeric luminescent diode according to claim 1, wherein component (B) of the mixture comprises a compound selected from the group consisting of N-methylpyrrolidone, pyrrolidone, caprolactam, N-methycaprolactam, N-octylpyrrolidone, sucrose, glucose, fructose, lactose, a sugar alcohol, 2-furan carboxylic acid, 3-furan carboxylic acid, ethylene glycol, glycerol, diethylene glycol, and triethylene glycol.
Claim 9
Dependent Claim
13 words
The polymeric luminescent diode according to claim 7, wherein component (B) comprises N-methylpyrrolidone.
Claim 10
Dependent Claim
15 words
The polymeric luminescent diode according to claim 7, wherein component (B) comprises the sugar alcohol.
Claim 11
Dependent Claim
16 words
The polymeric luminescent diode according to claim 9, wherein the sugar alcohol is sorbitol or mannitol.
Claim 12
Dependent Claim
18 words
The polymeric luminescent diode according to claim 1, wherein the polyanion of the mixture comprises polystyrene sulfonic acid.
Claim 13
Dependent Claim
34 words
The polymeric luminescent diode according to claim 1, wherein the mixture contains 1 to 100,000 by weight of a compound of formula (II), based on the sum of the polythiophene cation and the polyanion.
Claim 14
Dependent Claim
34 words
The polymeric luminescent diode according to claim 12, wherein the mixture contains 10 to 1,0000% by weight of a compound of formula (II), based on the sum of the polythiophene cation and the polyanion.
Claim 15
Dependent Claim
18 words
The polymeric luminescent diode according to claim 1, wherein the mixture further comprises a water-miscible protic organic solvent.
Claim 16
Dependent Claim
166 words
A conductive coating comprising a mixture of: (A) an aqueous solution comprising a water soluble polythiophene which is used in a cationic form with a polyanion, the polythiophene comprising a recurring structural unit of the formula (I): ##STR6## wherein R 1 and R 2 , independently of one another, represent hydrogen or a C 1 -C 4 alkyl group, or together form an optionally substituted C 1 -C 4 radical or a cyclohexylene-1,2, radical, and (B) an organic compound of the formula (II): ##STR7## wherein n and m, independently of one another, denote an integer from 1 to 20, R represents a linear, branched or cyclic alkylene radical having 2 to 20 carbon atoms, an optionally substituted arylene radical having 6 to 14 carbon atoms, a pyran radical or a furan radical, and X represents --OH or --NYZ, wherein Y and Z, independently of one another, represent hydrogen or alkyl, or (B) is a sugar, a sugar derivative, ethylene glycol, glycerol, diethylene glycol or triethylene glycol.
Claim 17
Dependent Claim
166 words
A conductive coating comprising a mixture of: (A) an aqueous solution comprising a water soluble polythiophene which is used in a cationic form with a polyanion, the polythiophene comprising a recurring structural unit of the formula (I): ##STR6## wherein R 1 and R 2 , independently of one another, represent hydrogen or a C 1 -C 4 alkyl group, or together form an optionally substituted C 1 -C 4 radical or a cyclohexylene-1,2, radical, and (B) an organic compound of the formula (II): ##STR7## wherein n and m, independently of one another, denote an integer from 1 to 20, R represents a linear, branched or cyclic alkylene radical having 2 to 20 carbon atoms, an optionally substituted arylene radical having 6 to 14 carbon atoms, a pyran radical or a furan radical, and X represents --OH or --NYZ, wherein Y and Z, independently of one another, represent hydrogen or alkyl, or (B) is a sugar, a sugar derivative, ethylene glycol, glycerol, diethylene glycol or triethylene glycol.
Claim 18
Dependent Claim
13 words
The conductive coating according to claim 15, wherein the conductive coating is annealed.
Claim 19
Dependent Claim
22 words
The conductive coating according to claim 16, wherein the conductive coating is annealed at a temperature of from 100 to 400° C.
Claim 20
Dependent Claim
20 words
The conductive coating according to claim 15, wherein the conductive coating has a thickness of from 0.025 to 250 μm.
Claim 21
Dependent Claim
22 words
The conductive coating according to claim 15, wherein the conductive coating has a surface resistance of from about 0.1 to 2000 Ω/□.
Claim 22
Dependent Claim
186 words
An electroluminescent system comprising an upper electrode, a lower electrode, an electroluminescent layer therebetween, optionally an auxiliary layer therebetween, wherein the electroluminescent layer comprises a mixture of: (A) an aqueous solution comprising a water soluble polythiophene which is used in a cationic form with a polyanion, the polythiophene comprising a recurring structural unit of the formula (I): ##STR8## wherein R 1 and R 2 , independently of one another, represent hydrogen or a C 1 -C 4 alkyl group, or together form an optionally substituted C 1 -C 4 radical or a cyclohexylene-1,2, radical, and (B) an organic compound of the formula (II): ##STR9## wherein n and m, independently of one another, denote an integer from 1 to 20, R represents a linear, branched or cyclic alkylene radical having 2 to 20 carbon atoms, an optionally substituted arylene radical having 6 to 14 carbon atoms, a pyran radical or a furan radical, and X represents --OH or --NYZ, wherein Y and Z, independently of one another, represent hydrogen or alkyl, or (B) is a sugar, a sugar derivative, ethylene glycol, glycerol, diethylene glycol or triethylene glycol.
Claim 23
Dependent Claim
186 words
An electroluminescent system comprising an upper electrode, a lower electrode, an electroluminescent layer therebetween, optionally an auxiliary layer therebetween, wherein the electroluminescent layer comprises a mixture of: (A) an aqueous solution comprising a water soluble polythiophene which is used in a cationic form with a polyanion, the polythiophene comprising a recurring structural unit of the formula (I): ##STR8## wherein R 1 and R 2 , independently of one another, represent hydrogen or a C 1 -C 4 alkyl group, or together form an optionally substituted C 1 -C 4 radical or a cyclohexylene-1,2, radical, and (B) an organic compound of the formula (II): ##STR9## wherein n and m, independently of one another, denote an integer from 1 to 20, R represents a linear, branched or cyclic alkylene radical having 2 to 20 carbon atoms, an optionally substituted arylene radical having 6 to 14 carbon atoms, a pyran radical or a furan radical, and X represents --OH or --NYZ, wherein Y and Z, independently of one another, represent hydrogen or alkyl, or (B) is a sugar, a sugar derivative, ethylene glycol, glycerol, diethylene glycol or triethylene glycol.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-07-04 | 2004-01-03 | 2004-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-07-04 | 2008-01-03 | 2008-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-07-04 | 2012-01-03 | 2012-07-04 | $7700.00 | Window Closed / Lapsed |