WO2006061181A1 - Teilkonjugierte polymere, deren darstellung und verwendung - Google Patents
Teilkonjugierte polymere, deren darstellung und verwendung Download PDFInfo
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- WO2006061181A1 WO2006061181A1 PCT/EP2005/013043 EP2005013043W WO2006061181A1 WO 2006061181 A1 WO2006061181 A1 WO 2006061181A1 EP 2005013043 W EP2005013043 W EP 2005013043W WO 2006061181 A1 WO2006061181 A1 WO 2006061181A1
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- IYEKPJWLAORNKF-PFNBZXQISA-N CCC(C)COc(cc(C1(c(cc(B2OCCO2)cc2)c2-c2ccc(B3OCCO3)cc12)c(c-1c2)cc(OCC(C)CC)c2OCC(C)CC)c-1c1)c1OC[C@H](C)CC Chemical compound CCC(C)COc(cc(C1(c(cc(B2OCCO2)cc2)c2-c2ccc(B3OCCO3)cc12)c(c-1c2)cc(OCC(C)CC)c2OCC(C)CC)c-1c1)c1OC[C@H](C)CC IYEKPJWLAORNKF-PFNBZXQISA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
- C08G61/10—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aromatic carbon atoms, e.g. polyphenylenes
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/54—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
- C07C211/56—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C25/00—Compounds containing at least one halogen atom bound to a six-membered aromatic ring
- C07C25/18—Polycyclic aromatic halogenated hydrocarbons
- C07C25/22—Polycyclic aromatic halogenated hydrocarbons with condensed rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/225—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
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- 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
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/14—Styryl dyes
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- 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
- C09B57/00—Other synthetic dyes of known constitution
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- 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
- C09B57/00—Other synthetic dyes of known constitution
- C09B57/008—Triarylamine dyes containing no other chromophores
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- 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
- C09B69/105—Polymeric dyes; Reaction products of dyes with monomers or with macromolecular compounds containing a methine or polymethine dye
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- 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
- C09B69/109—Polymeric dyes; Reaction products of dyes with monomers or with macromolecular compounds containing other specific dyes
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
Definitions
- conjugated polymers according to the prior art already show good properties when used in PLEDs. However, despite the advances already made, these polymers do not yet meet the demands placed on them for high quality applications. In particular, the life of the green and especially the blue-emitting polymers is not sufficient for many applications.
- WO 97/20877 and EP 0882082 describe partially conjugated spirobifluorene polymers which are linked via the 2,2'-positions of the spirobifluorene units.
- advantages of these polymers especially the excellent processability is listed.
- the electronic properties are only reported to be that upon application of a sufficiently high voltage electroluminescence is observed without making any statement about voltage, efficiency and life.
- the use of 2,2'-linked spirobifluorene units is described, for. By R. D. Miller et al. (Polymer Preprints 2002, 43, 116-117), F.-L. Wu et al. [J. Mater. Chem. 2002, 12, 2893-2897) and B. Huang et al. (Chem. Lett. 2004, 33, 1376-1377).
- none of these publications can a particularly good suitability of these polymers for organic electroluminescent devices be recognized.
- the invention relates to polymers containing at least 1 mol%, preferably at least 5 mol%, particularly preferably at least 10 mol% of a first repeat unit of the formula (1),
- R is the same or different at each occurrence F, Cl, Br, I, CN, NO 2 , OH,
- R 1 is the same or different at each occurrence, H or an aliphatic or aromatic hydrocarbon radical having 1 to 20 carbon atoms; n is the same or different 0, 1, 2, 3 or 4 at each occurrence; m is the same or different at each occurrence 0, 1, 2 or 3; the dashed bonds indicate the linkage in the polymer; with the proviso that the link does not take place via the 2,2'-positions; and containing at least 1 mol% of a second repeating unit, which is either equal to or different from a repeating unit according to formula (1).
- a C 1 to C 40 -alkyl group in which also individual H atoms or CH 2 groups can be substituted by the abovementioned groups particularly preferably the radicals methyl, ethyl, n-propyl, Propyl, n-butyl, i-butyl, s-butyl, t-butyl, 2-methylbutyl, n-pentyl, s-pentyl, cyclopentyl, n-hexyl, cyclohexyl, n-heptyl, cycloheptyl, n-octyl, cyclooctyl, 2-ethylhexyl, trifluoromethyl, pentafluoroethyl, 2,2,2-trifluoroethyl, ethenyl, propenyl, butenyl, pentenyl, cyclopentenyl, hexenyl,
- An aromatic or heteroaromatic ring system having 5-40 aromatic ring atoms, which may be substituted in each case by the abovementioned radicals R and which may be linked via any position on the aromatic or heteroaromatic radical is understood in particular to mean groups which are derived from benzene, Naphthalene, anthracene, phenanthrene, pyrene, chrysene, perylene, fluoranthene, naphthacene, pentacene, benzpyrene, biphenyl, biphenylene, terphenyl, terphenyls, fluorene, spirobifluorene, dihydrophenanthrene, dihydropyrene, tetrahydropyrene, cis or trans indenofluorene, truxene, isotruxene, spirotruxene , Spiroisotruxene, furan, benzofuran, isobenzofuran, dibenz
- an aromatic or heteroaromatic ring system is to be understood as meaning a system which does not necessarily contain only aromatic or heteroaromatic groups, but in which several aromatic or heteroaromatic groups are also replaced by a short nonaromatic moiety ( ⁇ 10% of that of H different atoms, preferably ⁇ 5% of the atoms other than H), such as sp 3 -hybridized C, O, N, etc., may be interrupted.
- a short nonaromatic moiety ⁇ 10% of that of H different atoms, preferably ⁇ 5% of the atoms other than H
- systems such as 9,9'-spirobifluorene, 9,9-diarylfluorene, triarylamine, etc. are to be understood as aromatic systems in the context of this invention.
- Units according to formula (1) are present in two enantiomeric forms. It is equally in accordance with the invention to use the racemate, ie the 1: 1 mixture of the two enantiomers, or one of the two enantiomers in enriched or isolated form.
- R 1 may be replaced and wherein also one or more H atoms may be replaced by fluorine, or an aromatic or heteroaromatic ring system having 5 to 30 aromatic ring atoms, which may also be substituted by one or more nonaromatic radicals R; or a combination of 2, 3 or 4 of the above groups; in this case, two or more of the radicals R may together form an ali
- R 1 is as described above; n is the same or different at each occurrence 0, 1, 2 or 3; m is identical or different 0, 1 or 2 at each occurrence.
- R 1 is as described above; n is the same or different 0, 1 or 2 for each occurrence; m is the same or different 0 or 1 at each occurrence.
- a preferred embodiment of the invention is therefore the linkage via the 1, 1 'positions, via the 3,3'-positions or via the 4,4'-positions.
- a particularly preferred embodiment of the invention is the linkage via the 1, 1 'positions or via the 4,4'-positions. Very particularly preferred is the linkage via the 4,4'-positions.
- the polymers of the invention may be partially conjugated or non-conjugated. Fully conjugated polymers are not possible here because the units of formula (1) always represent a break in conjugation. In a preferred embodiment of the invention is a partially conjugated polymer. With particular preference, the polymer contains no further units other than units of the formula (1) which interrupt the conjugation of the polymer.
- a partially conjugated polymer is to be understood as meaning a polymer in which longer conjugated portions in the main chain are interrupted by non-conjugated portions which, as mentioned above, are preferably produced by units of the formula (1).
- conjugated portions are generated by sp 2 -hybridized (or sp-hybridized) carbon atoms, which may also be replaced by corresponding heteroatoms, which in the simplest case means alternating presence of double (or triple and single) bonds.
- conjugated if in the main chain, for example arylamine units and / or certain H.eterocyclen (ie conjugation of N, O or S atoms) and / or organometallic complexes (ie conjugation via the metal atom ) are located.
- units such as simple alkylene bridges, (thio) ether, ester, amide, or imide linkages would be defined as non-conjugated segments.
- the polymers according to the invention preferably contain further structural elements which are different from units of the formula (1) and are thus to be referred to as copolymers.
- the further structural elements are conjugated.
- these further structural units can come, for example, from the classes described below:
- Aromatic units which usually represent the polymer backbone Aromatic units which usually represent the polymer backbone:
- Units of this group are aromatic, carbocyclic structures having from 6 to 40 carbon atoms, which may be substituted or unsubstituted, suitable substituents being the abovementioned radicals R.
- Fluorene derivatives for example EP 0842208, WO 99/54385, WO 00/22027, WO 00/22026, WO 00/46321) are suitable here.
- spirobifluorene derivatives eg EP 0707020, EP 0894107, WO 03/020790
- Polymers which contain a combination of the two first-mentioned monomer units (WO 02/077060) have also been proposed.
- dihydrophenanthrene derivatives are described.
- cis- or trans-indenofluorene derivatives for example WO 04/041901, WO 04/113412
- 1,4-phenylene derivatives, 4,4'-biphenylylene derivatives, 4,4 "-Terphenylylene derivatives, 2,7- or 3,6-phenanthrene derivatives eg DE 0102004020298.2
- dihydropyrene or tetrahydropyrene derivatives and other not explicitly listed aromatic structures ie units from group 1 are preferably selected from the group of the fluorene derivatives, the spirobifluorene derivatives, the dihydrophenanthrene derivatives, the cis or trans indenofluorene derivatives, the 1,4-phenylene derivatives, the 4,4'-biphenylene derivatives, the 4,4 "-Terphenylene derivatives, the 2,7- or 3,6-phenanthrene
- Particularly preferred units from this group are selected from spirobifluorene, fluorene, dihydrophenanthrene, cis-indenofluorene, trans-indenofluorene and 2,7-phenanthrene, which may be substituted by R or unsubstituted.
- Group 2 Units which change the morphology or the emission color: Structural elements are also possible which can influence the morphology as well as the emission color of the resulting polymers. These are preferably selected from the group of substituted by R or unsubstituted condensed aromatic structures having 6 to 40 carbon atoms or tolan, stilbene or Bisstyrylarylenderivaten such.
- Group 3 units which increase the hole injection and / or transport properties of the polymers:
- These are generally aromatic amines or phosphines or electron-rich heterocycles and are preferably selected from the group of the trisubstituted by R or unsubstituted triarylamines, benzidines, N, N, N ', N'-tetraaryl-para-phenylenediamines, triarylphosphines, phenothiazines, phenoxazines, Dihydrophenazines, thianthrenes, dibenzo-p-dioxins, phenoxathiines, carbazoles, azulene, thiophenes, pyrroles, furans and other O-, S- or N-containing heterocycles with a high lying HOMO (HOMO highest occupied molecular orbital).
- HOMO highest occupied molecular orbital
- Group 4 units containing the electron injection and / or
- the polymer backbone is also capable of conducting electrons sufficiently well so that it is not necessary to have units from group 4.
- Group 5 units which are combinations of individual units of group 3 and
- the polymers according to the invention may also be preferred if the polymers according to the invention contain units in which structures which increase hole mobility and which electron mobility are directly bonded to one another, ie structures from groups 3 and 4 mentioned above. Many of these units shift the emission color into the green, yellow or red; Their use is therefore suitable, for example, for the production of other emission colors from originally blue-emitting polymers.
- Group 6 Units that emit light from the triplet state Structural units from this group can also emit light at room temperature with high efficiency from the triplet state and thus show electrophosphorescence instead of electrofluorescence.
- first Compounds containing heavy atoms with an atomic number greater than 36 are particularly suitable.
- compounds containing d- or f-transition metals which fulfill this condition.
- Very particular preference is given to structural units which contain elements of groups 8 to 10 (Ru, Os, Rh, Ir, Pd, Pt). These metal complexes can be attached to the backbone and / or side chain of the polymer. Also suitable has been the incorporation of such metal complexes at branching points in the polymer, as described for example in DE 102004032527.8. If units from group 6 are present, it may be preferable if there are also units from group 7 at the same time. Even without such units from group 7, very good results and very high efficiencies can be achieved with triplet emitters.
- Group 7 Units that support transfer from the singlet to the triplet state
- Carbazole units are suitable for this purpose, as described in WO 04/070772 and WO 04/113468, but also, for example, keto, phosphine oxide, sulfoxide or sulfone units, as described in WO 05/040302, or silane units, as in US Pat not disclosed application DE 102004023278.4 described.
- the units are therefore preferably selected from the group of the carbazole units, the bridged carbazole units, the keto, phosphine oxide, sulfoxide or sulfone units and the silane units.
- polymers which, in addition to structural units of the formula (1), additionally contain one or more units selected from groups 1 to 7.
- a proportion of 1 to 100 mol% of units of the formula (1) is preferred. Particularly preferred is a proportion of 5 to 70 mol% of units of the formula (1), very particularly preferably a proportion of 10 to 50 mol%.
- the polymers according to the invention are either homopolymers of units of the formula (1) or copolymers.
- copolymers according to the invention can potentially have one or more further structures from groups 1 to 7 listed above.
- the interruption of conjugation by units according to formula (1) can take place in the vicinity of each of the structural units of groups 1 to 7.
- the copolymers according to the invention may have random, alternating or block-like structures or alternatively have several of these structures in turn. How copolymers with block-like structures can be obtained is described, for example, in WO 05/014688. It should also be emphasized at this point that the polymer is not necessarily linear in structure, but can also be branched, or may also have dendritic structures.
- the polymers according to the invention generally have 10 to 10,000, preferably 20 to 5000, particularly preferably 50 to 2000 repeat units.
- the polymers according to the invention are generally prepared by polymerization of one or more types of monomer, of which at least one monomer in the polymer leads to units of the formula (1).
- Corresponding polymerization reactions are in principle many. However, some types have proved particularly useful here, leading to C-C or C-N linkages:
- Monomers which lead to structural units of the formula (1) in polymers according to the invention are corresponding spirobifluorene derivatives which have suitable functionalities at suitable positions on both halves of the molecule, in particular in the 4,4'-position or in the 1, 1'-position which allow to incorporate this monomer unit in the polymer.
- Particularly suitable functionalities for the polymerization are halogens, in particular bromine, or sulfonates or, for the polymerization according to Suzuki, also boronic acid derivatives or, for the polymerization according to Stille, also trialkyltin derivatives.
- the synthesis of 4,4'-dibromospirobifluorene derivatives has been described by X. Cheng et al. (Org. Leu. 2004, 6, 2381-2383). This synthesis also allows the introduction of substituents in the 1, 1 'position. From the bromine derivatives can be prepared by standard reactions, such as those skilled in the art of organic synthesis, also produce the boronic acid derivatives.
- corresponding monomers can be produced for the polymerization via the 1,1 '-positions.
- the 4,4'-positions are blocked by reaction of the bromine (for example by coupling with a boronic acid derivative or by reduction).
- the alkoxy groups are converted into reactive functional groups, for example triflate groups, which can either be used directly in the polymerization or which can be converted into a boronic acid derivative, for example in a palladium-catalyzed reaction.
- Another object of the invention are bifunctional monomeric compounds according to formula (2),
- X is the same or different at each instance and is a group which copolymerizes under conditions of C-C and C-N linking, respectively;
- X is selected from Cl, Br, I, O-tosylate, O-triflate, O-SO 2 R 1 , B (OR 1 ) 2 and Sn (R 1 ) 3 , more preferably from Br, O-triflate and B (OR 1 ) 2 , wherein R 1 has the same meaning as described above, and wherein two or more radicals R 1 can also form a ring system with each other.
- polymer of the invention may also be preferred not to use as a pure substance, but as a mixture (blend) together with other arbitrary polymeric, oligomeric, dendritic and / or low molecular weight substances. These can for example improve the electronic properties or emit themselves.
- a preferred embodiment of the invention is the admixing of a compound that in at Room temperature with high efficiency from the triplet state can emit light, so that then the mixture is capable of emitting light from the triplet state with high efficiency.
- Such compounds are already described above as further structural elements for the polymer.
- the same preferences apply, as already described above.
- electronically inert blend components may be useful to control, for example, the viscosity of a solution or the morphology of the film formed. Such blends are therefore also part of the present invention.
- the invention furthermore relates to solutions and formulations of one or more polymers or blends according to the invention in one or more solvents.
- polymer solutions can be prepared is described, for example, in WO 02/072714, WO 03/019694 and the literature cited therein. These solutions can be used to prepare thin polymer layers, for example, by area coating processes (eg spin coating) or by printing processes (eg inkjet printing).
- the polymers and blends of the invention can be used in PLEDs. How PLEDs can be produced is described in detail as a general process in WO 04/037887, which must be adapted accordingly for the individual case. As described above, the polymers according to the invention are very particularly suitable as electroluminescent materials in PLEDs or displays produced in this way.
- Electroluminescent materials in the context of the invention apply materials that can be used as an active layer in a PLED use.
- Active layer means that the layer is able to emit light upon application of an electric field (light-emitting layer) and / or that it improves the injection and / or transport of positive and / or negative charges (charge injection or charge transport layer).
- the invention therefore also relates to the use of a polymer or blend of the invention in a PLED 1, in particular as an electroluminescent material.
- the invention likewise provides a PLED having one or more active layers, wherein at least one of these active layers contains one or more polymers or blends according to the invention.
- the active layer can For example, be a light-emitting layer and / or a transport layer and / or a charge injection layer.
- the polymers according to the invention have over the poly-spirobifluorenes described in WO 03/020790, which are linked via the 2,7-positions in the polymer, and to poly-spirobifluorenes according to WO 97/20877 and EP 0882082, which exceed the 2,2 '.
- Linked positions which are referred to here as the closest prior art, the following surprising advantages:
- the polymers of the invention have, with otherwise identical composition, higher luminous efficiencies at high luminance in the application. This is of enormous importance, since either the same brightness can be achieved with lower energy consumption, which is very important especially in mobile applications (displays for cell phones, pagers, PDAs, etc.) that rely on batteries and rechargeable batteries. Conversely, higher brightness levels are obtained with the same energy consumption, which may be interesting for lighting applications, for example.
- the polymers of the present invention are more useful than prior art polymers for copolymerizing another blue emitter, since this allows the energy to be better transferred to the emitter.
- the use of the polymers according to the invention with respect to PLEDs and corresponding displays is aimed at.
- the skilled person without further inventive step to use the polymers according to the invention as semiconductors (or, with appropriate doping, also conductors) for other uses in other electronic devices (devices), e.g. In organic field effect transistors (O-FETs), organic integrated circuits (O-ICs), organic thin-film transistors (O-TFTs), organic light-emitting transistors (O-LETs), light-emitting electrochemical cells (LECs), organic solar cells (O-SCs), organic field quench devices (O-FQD, eg according to M.
- O-FETs organic field effect transistors
- O-ICs organic integrated circuits
- O-TFTs organic thin-film transistors
- O-LETs organic light-emitting transistors
- LECs organic solar cells
- O-SCs organic field quench devices
- the use of the polymers according to the invention in the corresponding devices is likewise an object of the present invention.
- the invention furthermore relates to organic field-effect transistors (O-FETs), organic integrated circuits (O-ICs), organic thin-film transistors (O-TFTs), organic solar cells (O-SCs), organic field quench devices (O -FQDs), organic light-emitting transistors (O-LETs), light emitting electrochemical cells (LECs) and organic laser diodes (O-lasers) containing at least one inventive polymer.
- the polymers were synthesized by SUZUKI coupling according to WO 03/048225.
- the composition of the synthesized polymers P1 to P3 is summarized in Table 1.
- the comparative polymers V1 and V2 were synthesized which contain the monomer M3 and the monomer M6 instead of the monomer M1, which leads to units of the formula (1) in the polymer.
- the composition of these comparative polymers is also listed in Table 1.
- Example 4 Production of the PLEDs
- the polymers were investigated for use in PLEDs.
- the PLEDs were each two-layer systems, i. H. ITO substrate // // // polymer PEDOT // cathode.
- PEDOT is a polythiophene derivative (Baytron P, by H.C. Starck, Goslar).
- the cathode used was Ba / Ag (Aldrich) in all cases. How PLEDs can be represented is described in detail in WO 04/037887 and the literature cited therein.
- Example 5 to 10 Device examples
- the efficiency of the comparative polymers and polymers of the invention is comparable at low efficiency. At higher efficiency, however, the efficiency of the polymers of the invention is significantly higher than that of the comparative polymers. This shows that the polymers according to the invention are more suitable for use in displays with PM control than polymers according to the prior art. In addition, the lifetime of the polymers according to the invention under PM control is higher than that of the polymers according to the prior art under the same conditions.
- Table 1 Device Results with Polymers of the Invention and Comparative Polymers a CIE Coordinates: Color Coordinates of the Commision Internationale de l'Eclairage 1931. b lifetime: time to decrease brightness to 50% of the initial brightness, MUX64 (100 Hz, pulse duration 156.25 ⁇ s, average initial brightness 400 cd / m 2 , maximum peak brightness 25600 cd / m 2 )
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Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2007544801A JP5398988B2 (ja) | 2004-12-06 | 2005-12-06 | 部分共役ポリマー、その調製および使用 |
EP05817915A EP1819749B1 (de) | 2004-12-06 | 2005-12-06 | Teilkonjugierte polymere, deren darstellung und verwendung |
US11/720,901 US8323804B2 (en) | 2004-12-06 | 2005-12-06 | Partially conjugated polymers, their representation and their use |
AT05817915T ATE486097T1 (de) | 2004-12-06 | 2005-12-06 | Teilkonjugierte polymere, deren darstellung und verwendung |
DE502005010454T DE502005010454D1 (de) | 2004-12-06 | 2005-12-06 | Teilkonjugierte polymere, deren darstellung und verwendung |
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EP04028865A EP1669386A1 (de) | 2004-12-06 | 2004-12-06 | Teilkonjugierte Polymere, deren Darstellung und Verwendung |
EP04028865.6 | 2004-12-06 |
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PCT/EP2005/013043 WO2006061181A1 (de) | 2004-12-06 | 2005-12-06 | Teilkonjugierte polymere, deren darstellung und verwendung |
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US (1) | US8323804B2 (de) |
EP (2) | EP1669386A1 (de) |
JP (1) | JP5398988B2 (de) |
AT (1) | ATE486097T1 (de) |
DE (1) | DE502005010454D1 (de) |
TW (1) | TW200626632A (de) |
WO (1) | WO2006061181A1 (de) |
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ATE486097T1 (de) | 2010-11-15 |
US20090226759A1 (en) | 2009-09-10 |
EP1669386A1 (de) | 2006-06-14 |
EP1819749B1 (de) | 2010-10-27 |
TW200626632A (en) | 2006-08-01 |
JP5398988B2 (ja) | 2014-01-29 |
DE502005010454D1 (de) | 2010-12-09 |
EP1819749A1 (de) | 2007-08-22 |
JP2008525533A (ja) | 2008-07-17 |
US8323804B2 (en) | 2012-12-04 |
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