WO2003018711A1 - Polymerfarbstoff und verfahren zu dessen herstellung sowie deren verwendung in leuchtdioden und anderen optischen bauelementen - Google Patents
Polymerfarbstoff und verfahren zu dessen herstellung sowie deren verwendung in leuchtdioden und anderen optischen bauelementen Download PDFInfo
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- WO2003018711A1 WO2003018711A1 PCT/EP2002/007721 EP0207721W WO03018711A1 WO 2003018711 A1 WO2003018711 A1 WO 2003018711A1 EP 0207721 W EP0207721 W EP 0207721W WO 03018711 A1 WO03018711 A1 WO 03018711A1
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- Prior art keywords
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- radicals
- dye
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- 229920000642 polymer Polymers 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 230000003287 optical effect Effects 0.000 title claims abstract description 6
- 239000000975 dye Substances 0.000 claims abstract description 41
- POXIZPBFFUKMEQ-UHFFFAOYSA-N 2-cyanoethenylideneazanide Chemical group [N-]=C=[C+]C#N POXIZPBFFUKMEQ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 150000003254 radicals Chemical class 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 125000003545 alkoxy group Chemical group 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 14
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 13
- 125000003118 aryl group Chemical group 0.000 claims description 9
- -1 heterocyclic radical Chemical class 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 230000001588 bifunctional effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000007859 condensation product Substances 0.000 claims description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 4
- CUONGYYJJVDODC-UHFFFAOYSA-N malononitrile Chemical compound N#CCC#N CUONGYYJJVDODC-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 125000002837 carbocyclic group Chemical group 0.000 claims description 3
- 238000006482 condensation reaction Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- FXWFZIRWWNPPOV-UHFFFAOYSA-N 2-aminobenzaldehyde Chemical compound NC1=CC=CC=C1C=O FXWFZIRWWNPPOV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 125000004103 aminoalkyl group Chemical group 0.000 claims description 2
- 125000005442 diisocyanate group Chemical group 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 150000001991 dicarboxylic acids Chemical class 0.000 claims 1
- 229920000162 poly(ureaurethane) Polymers 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 48
- 239000000243 solution Substances 0.000 description 19
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 18
- 239000010410 layer Substances 0.000 description 18
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 8
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 6
- ZMXDDKWLCZADIW-YYWVXINBSA-N N,N-dimethylformamide-d7 Chemical compound [2H]C(=O)N(C([2H])([2H])[2H])C([2H])([2H])[2H] ZMXDDKWLCZADIW-YYWVXINBSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Substances C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 5
- 238000004528 spin coating Methods 0.000 description 5
- RUAPSFSLDRCMMJ-UHFFFAOYSA-N 2,5-bis(2-ethylhexoxy)benzene-1,4-dicarbonyl chloride Chemical compound CCCCC(CC)COC1=CC(C(Cl)=O)=C(OCC(CC)CCCC)C=C1C(Cl)=O RUAPSFSLDRCMMJ-UHFFFAOYSA-N 0.000 description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000005401 electroluminescence Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 0 **(*)CCC(CC1*)=CC(*)=C1N* Chemical compound **(*)CCC(CC1*)=CC(*)=C1N* 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- XYBUCJYJVULPHW-UHFFFAOYSA-N 2-(2,6-dimethylpyran-4-ylidene)propanedinitrile Chemical compound CC1=CC(=C(C#N)C#N)C=C(C)O1 XYBUCJYJVULPHW-UHFFFAOYSA-N 0.000 description 2
- OJPDDQSCZGTACX-UHFFFAOYSA-N 2-[n-(2-hydroxyethyl)anilino]ethanol Chemical compound OCCN(CCO)C1=CC=CC=C1 OJPDDQSCZGTACX-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 2
- 229920000547 conjugated polymer Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005019 vapor deposition process Methods 0.000 description 2
- CSCPPACGZOOCGX-MICDWDOJSA-N 1-deuteriopropan-2-one Chemical compound [2H]CC(C)=O CSCPPACGZOOCGX-MICDWDOJSA-N 0.000 description 1
- XMFCUTJFUQEHKC-UHFFFAOYSA-N 2-(2-formylanilino)ethyl acetate Chemical compound CC(=O)OCCNC1=CC=CC=C1C=O XMFCUTJFUQEHKC-UHFFFAOYSA-N 0.000 description 1
- YLYPIBBGWLKELC-RMKNXTFCSA-N 2-[2-[(e)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile Chemical compound C1=CC(N(C)C)=CC=C1\C=C\C1=CC(=C(C#N)C#N)C=C(C)O1 YLYPIBBGWLKELC-RMKNXTFCSA-N 0.000 description 1
- XCFUXGRUABHLFY-UHFFFAOYSA-N 2-[2-[2-[4-[bis(2-hydroxyethyl)amino]phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile Chemical compound O1C(C)=CC(=C(C#N)C#N)C=C1C=CC1=CC=C(N(CCO)CCO)C=C1 XCFUXGRUABHLFY-UHFFFAOYSA-N 0.000 description 1
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical group Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- WDYVUKGVKRZQNM-UHFFFAOYSA-N 6-phosphonohexylphosphonic acid Chemical compound OP(O)(=O)CCCCCCP(O)(O)=O WDYVUKGVKRZQNM-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- FPVBSWLPPTYVTL-UHFFFAOYSA-N NC(=O)OCC.[C] Chemical group NC(=O)OCC.[C] FPVBSWLPPTYVTL-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 229920000109 alkoxy-substituted poly(p-phenylene vinylene) Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000003818 flash chromatography Methods 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 239000000990 laser dye Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JZRYQZJSTWVBBD-UHFFFAOYSA-N pentaporphyrin i Chemical class N1C(C=C2NC(=CC3=NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 JZRYQZJSTWVBBD-UHFFFAOYSA-N 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B69/00—Dyes not provided for by a single group of this subclass
- C09B69/10—Polymeric dyes; Reaction products of dyes with monomers or with macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1425—Non-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1433—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1441—Heterocyclic
- C09K2211/145—Heterocyclic containing oxygen as the only heteroatom
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
Definitions
- the present invention relates to polymer dyes based on dicyanomethylene (DCM) and its production. These polymer dyes are used as red-emitting layers in organic, optical components, in particular in light-emitting diodes.
- DCM dicyanomethylene
- Organic luminescence 'displays or diodes can of low-molecular-based compounds which are converted by technically relatively complicated vapor deposition processes in light-emitting layers, manufactured provides be.
- US Pat. No. 6,048,630 describes deep-red-emitting OLEDs which, by doping Alg 3 with special porphine Derivatives can be obtained. A sharp emission at approx. 650 nm is found for these materials.
- No. 5,409,783 teaches Mg phthalocyanine for doping Alg 3 for red-emitting luminescence displays. A strong emission is found at 692 nm.
- the electroluminescence device has the following structure:
- Hole transport layer made of poly-N-vinyl carbazole
- Electron transport layer made of Alq
- Organic LEDs based on conjugated polymers have several advantages. On the one hand, these polymers can be applied directly from the solution in the form of thin films by spin or dip coating with a suitable structural variation. On the other hand, the active structure is essentially immobilized by binding to a polymeric main chain with regard to migration and aggregation.
- a polymer dye based on dicyanomethylene (DCM) with the general formula 1 is provided.
- Ri is selected from the groups hydrogen, straight-chain, branched or cyclic alkyl or alkoxy groups with 1-20 C atoms, where Ri can be carbocyclically bridged with R 2 .
- R 2 and R 3 are independently selected from the groups hydrogen, straight-chain, branched or cyclic alkyl or alkoxy groups with 1-20 C atoms or aryl, at least one of the two radicals being a group with the general formula II
- R 4 and R5 are independently selected from the group consisting of hydrogen, straight-chain, branched or cyclic alkyl or alkoxy groups having 1-20 C atoms
- R 6 and R are independently selected from the group consisting of hydrogen, straight-chain, branched or cyclic alkyl or alkoxy groups with 1-20 C atoms, aryl, carbo- or heterocyclic radicals.
- R can be linked with R 7 and / or R5 with Re carbocyclic.
- At least one of the radicals R 6 and R 7 necessarily represents a polymer structure, for. B. a polyester, a polyamide, a polyurea or a polyurethane.
- the polymer dye preferably has an emissive onsmaxir ⁇ um between 620 and 680 nm, particularly preferably this maximum is between 640 and 660 nm, that is in the deep red region of the spectrum.
- the at least one polymer radical R 6 or R 7 is preferably bonded to the dye via a hydroxyalkyl or aminoalkyl group.
- a hydroxyethyl group is particularly preferred.
- the polymer dye is preferably constructed symmetrically.
- the radicals R 2 and R 3 represent identical groups of the formula II.
- one of the radicals R 2 or R 3 is a group different from formula II, e.g. B. represents an alkyl group. In this case it is an asymmetric molecule.
- the two residues R ⁇ and R 7 see identical polymer residues, e.g. B. polyester groups.
- one of the radicals R 6 or R 7 is a non-polymer-forming group, for. B. represents an alkyl group.
- a method is also provided for the production of polymer dyes based on dicyanomethylene (DCM), starting from a malononitrile of the general formula III
- Ri is selected from the group consisting of hydrogen, straight-chain, branched or cyclic alkyl or alcoxy groups with 1-20 C atoms.
- R 8 and Rg are selected independently of one another from the group hydrogen, straight-chain, branched or cyclic alcyl or alkoxy groups with 1-20 C atoms, aryl, where Ri can be carbocyclically bridged with Ra and at least one of the radicals R 8 and Rg one Is methyl group.
- R 4 and R5 are selected independently of one another from the group hydrogen, aryl, straight-chain, branched or cyclic alkyl or
- Rio and Rn are independently selected from the group hydrogen, straight-chain, branched or cyclic alkyl or alkoxy groups with 1-20 C atoms, acyl, carbo- or heterocyclic radicals, where R 4 is carbocyclically bridged with Rn or R 5 with Rio can and at least one of the radicals Rio and R u represents an amino or hydroxyalkyl group.
- the compound of general formula V reacts with a comonomer, e.g. B. a dicarboxylic acid, a dicarboxylic acid chloride, a dicarboxylic acid anhydride or a diisocyanate and forms a polymer of the general formula I.
- a comonomer e.g. B. a dicarboxylic acid, a dicarboxylic acid chloride, a dicarboxylic acid anhydride or a diisocyanate
- a malononitrile of the general formula III in which Rg and R 9 represent methyl groups is preferably used. Due to the almost identical reactivity of the methyl groups in the 2- and 6-position of the pyran ring, the formation of bifunctional condensates occurs in addition to the formation of monocondensates.
- the bifunctional from the monofunctional condensation products are preferably separated by chromatography.
- the bifunctional condensates in a targeted manner, since, with the appropriate functionality, they are also "suitable polymer dyes for deep red-emitting polymer materials.
- the lengthening of the conjugation length in comparison to the monocondensates results in a clear red shift in the absorption maximum.
- the polymer dye is preferably dissolved in a suitable solvent and further processed into thin films.
- chloroform or cyclohexanone are preferably used here.
- a further dihydroxy and / or diamino compound can be added or at least partially replaced in step b) to the compound having the formula V.
- a compound of the general formula VI is particularly preferred
- the dye concentration in the resulting polymer can now be varied. This avoids the fluorescence quenching that may occur at high dye concentration and improves the solubility of the copolymers by means of the comonomer.
- the DCM dye content can preferably be set in the concentration range between 0.5 and 100 mol%, particularly preferably between 5 and 40 mol%.
- 1 shows the current-voltage characteristic of the polymer dye from Example 7.
- the current in amperes
- the current is plotted against the voltage (in volts). This spectrum was recorded by contacting the electrodes (ITO and silver) and then applying a negative voltage to the aluminum electrode. A significant increase in the current can be observed from a voltage of around 15 V.
- FIG. 2 shows a spectrum of the polymer dye from Example 5, recorded analogously to FIG. 1. In this spectrum, a clear increase in the current can be seen from a voltage of approximately 10 V.
- FIG. 3 shows a plot of the luminance of the device with the polymer dye from Example 7 as a function of the voltage. A significant increase in luminance can be observed here from a voltage of approximately 15 V.
- FIG. 4 shows the emission spectrum of the device with the polymer dye from Example 7. With regard to the photoluminescence, the spectrum shows a maximum at 645 nm, with respect to the electroluminescence a maximum at 660 nm. This figure shows that a red polymeric emitter material is produced could, which can be used in OLEDs.
- 167 cannot be assigned; 166 (C33 and C44); 161 (C4); 157 (C2 and C6); 152 (C 12 and C22); 139 (C8 and C 18); 134.5 (C41 and C43); 131 (C39); 130.5 (C7, C 18 and C42) l 130 (C38 and C40); 124 (C 10, C 14, C20 and C24); 117 (C9 and C 19); 114 (C 16 and C27); 112 (C 11, C 13, C21 and C23); 106 (C3 and C5); 63 (C31 and C36); 59.5 (C in the vicinity of free OH groups?); 55 (C30 and C35) 51 (C 15); 39 (C26 and C29) 1
- the polymer was dissolved in 30 ml of chloroform and precipitated in 300 ml of methanol. It was suctioned off and redissolved in 30 ml of chloroform and 300 ml of hexane were precipitated. The cleaned product was dried in vacuo.
- the PLEDs are produced according to the general process outlined below. In individual cases, this must of course be adapted to the respective circumstances (e.g. polymer viscosity, optimal layer thickness of the polymer in the device, etc.).
- the PLEDs described below are single layer systems, i.e. Subtrat / ITO / polymer / cathode.
- a solution of a concentration of 3-25 mg / ml in THF, DMF and chloroform was prepared from the polymer from Example 7 at room temperature.
- the polymer was dissolved in THF and solutions in the concentration range from 0.25% to 1% were prepared. The preferred range is between 0.6% and 0.8%.
- a solution of a concentration of 5-20 mg / ml in THF, DMF and chloroform was prepared from the polymer from Example 5 at room temperature.
- the polymer was dissolved in chloroform and solutions in the concentration range from 0.25% to 1% were prepared. The preferred range is between 0.7% and 0.9%.
- a polymer intermediate layer (BAYTRON ® , Bayer AG) is applied to adapt the injection barriers.
- Example 7 The polymer solution of Example 7 was cleaned by a 1 ⁇ m syringe filter before the spin coating. The polymer layer is then applied with a thickness of approximately 100 nm. The layer is annealed under inert conditions at 110 ° C for 2 h.
- Example 5 The polymer solution of Example 5 was cleaned by a 1 ⁇ m syringe filter before the spin coating. Then the polymer layer is applied with a thickness of approx. 100 nm. The layer is annealed under inert conditions at 110 ° C for 2 h.
- the layer thicknesses can be varied between 30 - 200 nm using the spin-coating parameters. Then the cathode consisting of a thin layer of calcium (approx. 30 nm) and a silver layer (approx. 100 nm) was evaporated.
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- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/488,021 US7288605B2 (en) | 2001-08-27 | 2002-07-11 | Polymer dye and method for producing the same and its use in light-emitting diodes and other optical components |
EP02796163A EP1421154A1 (de) | 2001-08-27 | 2002-07-11 | Polymerfarbstoff und verfahren zu dessen herstellung sowie deren verwendung in leuchtdioden und anderen optischen bauelementen |
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Application Number | Priority Date | Filing Date | Title |
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DE10141866A DE10141866A1 (de) | 2001-08-27 | 2001-08-27 | Polymerfarbstoff und Verfahren zu dessen Herstellung sowie deren Verwendung in Leuchtdioden und anderen optischen Bauelementen |
DE10141866.3 | 2001-08-27 |
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WO2003018711A1 true WO2003018711A1 (de) | 2003-03-06 |
Family
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PCT/EP2002/007721 WO2003018711A1 (de) | 2001-08-27 | 2002-07-11 | Polymerfarbstoff und verfahren zu dessen herstellung sowie deren verwendung in leuchtdioden und anderen optischen bauelementen |
Country Status (4)
Country | Link |
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US (1) | US7288605B2 (de) |
EP (1) | EP1421154A1 (de) |
DE (1) | DE10141866A1 (de) |
WO (1) | WO2003018711A1 (de) |
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US7556679B2 (en) * | 2005-08-04 | 2009-07-07 | Xerox Corporation | Processes for preparing phase change inks |
Citations (6)
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---|---|---|---|---|
US5409783A (en) | 1994-02-24 | 1995-04-25 | Eastman Kodak Company | Red-emitting organic electroluminescent device |
JPH0820614A (ja) * | 1994-07-07 | 1996-01-23 | Chisso Corp | 共重合体、その製造法及びそれを用いた発光素子 |
DE19652261A1 (de) | 1996-12-16 | 1998-06-18 | Hoechst Ag | Arylsubstituierte Poly(p-arylenvinylene), Verfahren zur Herstellung und deren Verwendung in Elektroluminszenzbauelementen |
US5908581A (en) | 1997-04-07 | 1999-06-01 | Eastman Kodak Company | Red organic electroluminescent materials |
US5935720A (en) * | 1997-04-07 | 1999-08-10 | Eastman Kodak Company | Red organic electroluminescent devices |
US6048630A (en) | 1996-07-02 | 2000-04-11 | The Trustees Of Princeton University | Red-emitting organic light emitting devices (OLED's) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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AT50065B (de) | 1909-12-30 | 1911-09-25 | James Percival Robertson | Gürtelschnalle. |
US4886744A (en) | 1985-04-25 | 1989-12-12 | Polaroid Corporation | Fluorescent conjugates and biological diagnostic assay system |
FR2636157A1 (fr) * | 1988-09-08 | 1990-03-09 | Hugon Emile | Centrale d'adresse et de programmation de detecteur d'alarme incendie |
US6051722A (en) | 1998-07-06 | 2000-04-18 | Hitachi Chemical Company, Ltd. | Compounds, polymers, resin compositions and nonlinear optical devices |
-
2001
- 2001-08-27 DE DE10141866A patent/DE10141866A1/de not_active Withdrawn
-
2002
- 2002-07-11 EP EP02796163A patent/EP1421154A1/de not_active Withdrawn
- 2002-07-11 US US10/488,021 patent/US7288605B2/en not_active Expired - Fee Related
- 2002-07-11 WO PCT/EP2002/007721 patent/WO2003018711A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5409783A (en) | 1994-02-24 | 1995-04-25 | Eastman Kodak Company | Red-emitting organic electroluminescent device |
JPH0820614A (ja) * | 1994-07-07 | 1996-01-23 | Chisso Corp | 共重合体、その製造法及びそれを用いた発光素子 |
US6048630A (en) | 1996-07-02 | 2000-04-11 | The Trustees Of Princeton University | Red-emitting organic light emitting devices (OLED's) |
DE19652261A1 (de) | 1996-12-16 | 1998-06-18 | Hoechst Ag | Arylsubstituierte Poly(p-arylenvinylene), Verfahren zur Herstellung und deren Verwendung in Elektroluminszenzbauelementen |
US5908581A (en) | 1997-04-07 | 1999-06-01 | Eastman Kodak Company | Red organic electroluminescent materials |
US5935720A (en) * | 1997-04-07 | 1999-08-10 | Eastman Kodak Company | Red organic electroluminescent devices |
Non-Patent Citations (2)
Title |
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C.-B. YOON ET AL.: "Synthesis and second-harmonic generation study of DCM-containing polyurethane", SYNTHETIC METALS, vol. 117, no. 1-3, 15 February 2001 (2001-02-15), ELSEVIER SEQUOIA, LAUSANNE, CH, pages 233 - 235, XP002218695, ISSN: 0379-6779 * |
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31) * |
Also Published As
Publication number | Publication date |
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US7288605B2 (en) | 2007-10-30 |
US20040256981A1 (en) | 2004-12-23 |
DE10141866A1 (de) | 2003-03-27 |
EP1421154A1 (de) | 2004-05-26 |
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