WO2006032449A1 - Verwendung von kupfer(i)-komplexen in organischen lichtemittierenden dioden - Google Patents
Verwendung von kupfer(i)-komplexen in organischen lichtemittierenden dioden Download PDFInfo
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- WO2006032449A1 WO2006032449A1 PCT/EP2005/010122 EP2005010122W WO2006032449A1 WO 2006032449 A1 WO2006032449 A1 WO 2006032449A1 EP 2005010122 W EP2005010122 W EP 2005010122W WO 2006032449 A1 WO2006032449 A1 WO 2006032449A1
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Definitions
- the present invention relates to the use of copper (I) complexes of the formula I.
- X is nitrogen or a group C-R
- R is alkyl or aryl
- Ar is phenyl or naphthyl, which is in each case optionally substituted by one to three radicals selected from the group consisting of alkoxy, alkylthio, alkylamino, dialkylamino, alkoxycarbonyl, alkoxysulfonyl, halogen, cyano, carboxyl, hydroxysulfonyl or nitro, the two being optionally substituted phenyl or naphthyl ⁇ - to the phosphorus atom via the aND ⁇ '- disturbingn carbon atoms by a chemical single bond may be linked together,
- Y is halogen, cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino,
- the present invention relates to light-emitting layers which contain at least one copper (I) complex of the formula I, OLEDs which contain at least one copper (I) complex of the formula I or a light-emitting layer according to the invention, and stationary screens which contain OLEDs according to the invention.
- the present invention relates to novel copper (I) complexes of the formula Ia and Ib
- Y in which R, Ar and n are as defined in formula I 1 Y in formula Ia are cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino and Y in formula Ib is halogen, cyano, Thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino possess.
- OLEDs the property of materials is used to emit light when excited by electrical current.
- OLEDs are of particular interest as an alternative to cathode ray tubes and liquid crystal displays for the production of flat panel displays. Due to the very compact design and the intrinsically low Geren power consumption are devices that contain OLEDs, in particular for mobile applications, such as in cell phones, laptops, etc.
- the object of the present application was therefore to provide a further compound class which is suitable for use in various layers of an OLED, in particular the provision of compounds which are blue and green, with regard to the production of full-color displays but also in the red region of the electromagnetic spectrum have electroluminescence.
- the copper (I) complexes of the formula I can be used in the light-emitting layer of an OLED as emitter substance or as matrix materials for emitter substances. Furthermore, the use of the copper (I) complexes as electron blockers is possible, for. In a block layer for electrons, which is arranged between a light-emitting layer and a hole-transporting layer of the OLED.
- the copper (I) complexes are preferably used as emitter molecules in the light-emitting layer.
- alkyl, aryl and aralkyl, alkoxy, alkylthio, alkylamino, dialkylamino, alkyloxycarbonyl, alkyloxysulfonyl radical or group, alkyl radical or group, alkoxy radical or group and aryloxy radical or group mean the following meanings:
- Aryl is a radical having a skeleton of 6 to 30 carbon atoms, preferably 6 to 18 carbon atoms to understand, which is composed of one aromatic ring or more condensed aromatic rings.
- Suitable backbones are, for example, phenyl, naphthyl, anthracenyl or phenanthrenyl. This backbone can be unsubstituted (that is, all carbon atoms that are substitutable,
- Suitable substituents are, for example:
- Alkyl radicals preferably alkyl radicals having 1 to 8 carbon atoms, particularly preferably methyl, ethyl, i-propyl or t-butyl,
- Aryl radicals preferably C 6 -aryl radicals, which in turn may be substituted or unsubstituted
- Heteroaryl radicals preferably heteroaryl radicals which contain at least one nitrogen atom, particularly preferably pyridyl radicals,
- Alkenyl radicals preferably alkenyl radicals, which carry a double bond, particularly preferably alkenyl radicals having a double bond and 1 to 8 carbon atoms,
- Groups with donor action are to be understood as meaning groups which have a + I and / or + M effect
- groups with acceptor action are to be understood as meaning groups which have an -I and / or -M effect.
- Suitable groups with donor or acceptor action are halogen radicals, preferably F, Cl, Br, particularly preferably F, alkoxy radicals, carbonyl radicals, ester radicals, amine radicals, amide radicals, CH 2 F groups, CHF 2 groups, CF 3 groups, CN groups, thio groups or SCN groups.
- Aryl is particularly preferably substituted by radicals selected from the group consisting of methyl, F, Cl and alkoxy or aryl is unsubstituted.
- Aryl is preferably a C 6 -A ⁇ ylrest which is optionally substituted with at least one of vor ⁇ standing mentioned substituents.
- the C 6 - aryl radical has none, one or two of the abovementioned substituents, wherein the one substituent is preferably arranged in the para position to the further point of attachment of the aryl radical and - in the case of two substituents - these in each case in meta ⁇ position to further linking site of the aryl radical are arranged.
- the C 6 aryl radical is an unsubstituted phenyl radical.
- Alkyl means a radical having 1 to 20 carbon atoms, preferably 1 to 10 carbon atoms, particularly preferably 1 to 8 carbon atoms.
- the alkyl may be branched or unbranched and may optionally be interrupted by one or more heteroatoms, preferably N, O or S.
- the alkyl may be substituted with one or more substituents mentioned under aryl. It is also possible that the alkyl carries one or more aryl groups. All of the aryl groups listed above are suitable.
- the alkyl may be a cyclic alkyl having 3 to 10 ring atoms, preferably 4 to 7 ring atoms.
- the ring atoms are carbon atoms, it being possible for one or more carbon atoms to be replaced by heteroatoms, preferably N, O or S.
- the cyclic alkyl can be substituted by branched or unbranched alkyl radicals.
- Preferred alkyl is selected from the group consisting of methyl, ethyl, i-propyl, n-propyl, i-butyl, n-butyl, t-butyl, sec-butyl, i-pentyl, n-pentyl, sec-pentyl, neo - Pentyl, n-hexyl, i-hexyl and sec-hexyl, cyclohexyl and cyclopentyl.
- Particularly preferred alkyl is methyl, i-propyl, t-butyl and n-hexyl.
- Alkoxy is understood to mean a group of the general formula -OR 1 , where R 1 is alkyl as defined above.
- Preferred alkoxy is thus selected from the group consisting of -OMethyl, -O-ethyl, -O'propyl, -O n propyl, -OButyl, -O n butyl, - O'Butyl, -O sec butyl, - O'Pentyl, - O n-pentyl, -O seo pentyl, -O neo pentyl, -O ⁇ exyl, -O ⁇ exyl and -O sec hexyl.
- alkoxy is -OMethyl, -O'propyl, -O'-butyl and -O ⁇ exyl.
- aryloxy is meant a group of the general formula -OR 2 wherein R 2 is aryl as defined above.
- R 2 is aryl as defined above.
- a radical -OPhenyl is particularly preferred.
- alkylthio is meant a group of the general formula -SR 3 wherein R 3 is alkyl as defined above.
- Preferred alkylthio is thus selected from the group consisting of -SMethyl, -SEthyl, -S'Propyl, -S n propyl, -SButyl, S n butyl, - S'butyl, -S s ⁇ c butyl, -S'pentyl, -S n pentyl, -S sec pentyl, -S neo pentyl, -S n hexyl, -S ⁇ exyl and -S sec hexyl.
- Particularly preferred is alkylthio-methyl, -S'Propyl, -S'Butyl and -S n hexyl.
- Arylthio is understood to mean a group of the general formula -SR 4 , where R 4 is aryl, as defined above.
- R 4 is aryl, as defined above.
- arylthio a radical -SPhenyl is particularly preferred.
- alkylamino is meant a group of the general formula -NHR 5 wherein R 5 is alkyl as defined above.
- Preferred alkylamino is thus selected from the group consisting of -NHMethyl, -NHEthyl, -NH'propyl, -NH-propyl, -NH'-butyl, -NH ⁇ butyl, -NH'-butyl, -NH sec ButyI, -NH'Pentyl, - NH n pentyl, -NH sec pentyl, -NH neo pentyl, - NH n hexyl, -NH ⁇ exyl and -NH sec hexyl.
- Particularly preferred is alkylthio -NH-methyl, -NH'propyl, -NH'-butyl and -NH n- hexyl.
- arylamino is meant a group of the general formula -NHR 6 , where R 6 is aryl as defined above.
- R 6 is aryl as defined above.
- arylamino a radical -NHPhenyl is particularly preferred.
- Dialkylamino is understood to mean a group of the general formula -NR 7 R 8 , where R 7 and R 8 independently of one another represent alkyl, as defined above.
- Preferred dialkylamino-NR 7 R 8 contains radicals R 7 and R 8 which are selected independently of one another from the group consisting of methyl, ethyl, isopropyl, n-propyl, isobutyl, n-butyl, tert-butyl , sec-butyl, i-pentyl, n-pentyl, sec-pentyl, neo-pentyl, n-hexyl, i-hexyl and sec-hexyl, cyclohexyl and cyclopentyl.
- the radicals R 7 and R 8 are the same.
- diarylamino is meant a group of the general formula -NR 9 R 10 , where R 9 and R 10 independently of one another are aryl, as defined above. Vorzugswei ⁇ se, the radicals R 9 and R 10 are the same.
- a diarylamino a radical -N (phenyl) 2 is particularly preferred.
- Alkoxycarbonyl is understood as meaning a group of the general formula - (CO) OR 11 , where R 11 is alkyl, as defined above.
- Preferred alkoxycarbonyl is thus selected from the group consisting of - (CO) OMethyl, - (CO) Oethyl, - (COJO'propyl, - (CO) O n propyl, - (CO) ⁇ 'butyl, - (C0) O n butyl, - (CO) O 4 BuIyI 1
- alkoxycarbonyl is - (CO) O methyl, - (CO) O 1 PrOPyI, - (CO) ⁇ 'butyl and - (CO) O ⁇ exyl.
- Alkoxysulfonyl is understood to mean a group of the general formula - (SO 2 ) OR 12 , where R 12 is alkyl, as defined above.
- Preferred alkoxysulfonyl is thus selected from the group consisting of - (SO 2 ) OMethyl, - (SO 2 ) ethyl, - (SO 2 ) O 1 PiOPyI 1 - (SO 2 ) O n propyl, - (SO 2 ) OButyl, - (SO 2 ) 0 n Butyl, - (SO 2 ) O 1 BuIyI 1 - (SO 2 ) O sec Butyl, - (SO 2 ) O !
- alkoxy sulfonyl is - (SO 2 ) O methyl, - (SO 2 ) O'Propyl, - (SO 2 ) O ⁇ butyl and - (SO 2 ) O n hexyl.
- Halogen is preferably F, Cl or Br, more preferably Cl or Br.
- These units may optionally be substituted on the rings with the aforementioned groups.
- the three values 1, 2 or 3 for n in formula I may differ from each other but are preferably the same.
- compounds of the formula I are therefore preferably used in which between X and P there are either three methylene or three ethylene bridges.
- X is a group C-R, wherein reference is made to the definition of R as alkyl or aryl to the previously stated.
- R in the group CR has the meaning of alkyl, as previously stated.
- the abovementioned copper (I) complexes of the formula I and their preferred embodiments are outstandingly suitable as emitter molecules in OLEDs. Simple variations of the ligands make it possible to provide copper (I) complexes which exhibit electroluminescence in the green and especially in the blue region of the electromagnetic spectrum.
- the copper (I) complexes used according to the invention are suitable, together with corresponding other emitters, for use in technically usable full-color displays.
- the copper (I) complexes are prepared by methods known to those skilled in the art. In particular, reference should be made to the above-mentioned references and their references. In essence, the complexes are obtained according to the following general reaction equation:
- Y ' is, for example, chlorine or bromine
- M is a monovalent metal, such as for example silver (I) or an alkali metal, for example sodium or potassium.
- the reaction is preferably carried out in solution or suspension.
- aprotic solvents known to those skilled in the art, such as toluene or benzene, ethers, e.g. Tetrahydrofuran, tert-butyl ether or tert-butyl methyl ether, acetonitrile or halogenated hydrocarbons, e.g. Methylene chloride.
- the molar ratio of copper (I) compound CuY to inserted ligand is usually 0.7: 1, 0 to 1.5: 1.0, preferably 0.9: 1.0 to 1.1: 1, 0 and especially 1: 1.
- the resulting copper (I) complex of the formula I is worked up by customary methods of organometallic synthesis known to those skilled in the art.
- the copper (I) complexes of the formula I used according to the invention are excellently suitable as emitter substances, since they have emission (electroluminescence) in the visible range of the electromagnetic spectrum. With the help of the copper (I) complexes as emitter substances, it is possible, in particular, to produce electroluminescence: in the blue and green regions of the electromagnetic spectrum. Furthermore, the copper (I) complexes are suitable as electron blockers, for example in a block layer for electrons in an OLED, which is arranged between the light-emitting layer and a hole-transposing layer of the OLED.
- a special property of the copper (I) complexes of the formula I is that they also exhibit luminescence as a solid in the visible range of the electromagnetic spectrum, in particular electroluminescence. Therefore, these complexes can be used in substance - without further additives - as emitter substances in OLEDs. Accordingly, the production of an OLED with light-emitting layer is possible without complex co-evaporation of a matrix material with the emitter substance.
- OLEDs organic Leucht ⁇ diodes
- Organic light-emitting diodes are basically made up of several layers: 1. Anode
- the copper (I) complexes can be used in different layers of the OLED, depending on the position of their HOMO 1, for example, the copper (I) complexes as electron blocker in a block layer for electrons or as Emitter ⁇ molecules in the light-emitting layer be used.
- They are preferably used in the light-emitting layer as emitter molecules.
- the present application therefore also relates to a light-emitting layer comprising at least one copper (I) complex of the formula I. Furthermore, the subject of the present application is an organic light-emitting diode which contains such a light-emitting layer.
- the copper (I) complexes used according to the invention can be present in the substance-without further additives-in the light-emitting layer.
- further compounds are present in the light-emitting layer.
- a fluorescent dye may be present in order to change the emission color of the copper (I) complex used as the emitter molecule.
- a diluent material can be used. This diluent material may be a polymer, for example poly (N-vinylcarbazole) or polysilane.
- the diluent material may also be a small molecule, for example 4,4'-N, N'-dicarbazolebiphenyl (CBP), tetraarylsilane or tertiary aromatic amines.
- CBP N'-dicarbazolebiphenyl
- tetraarylsilane or tertiary aromatic amines.
- the proportion of the copper (I) complexes used according to the invention in the light-emitting layer is generally less than 20% by weight, preferably from 3 to 10% by weight. Preference is given to using the copper (I) complexes in substance, which avoids complex co-evaporation of the copper (I) complexes with a matrix material (diluent or fluorescent dye).
- the light-emitting layer preferably contains min. at least one copper (I) complex of the formula I and no further matrix material, such as diluent material and / or fluorescent dye.
- the individual layers of the OLEDs mentioned above can be composed of 2 or more layers.
- the hole-transporting layer may be constructed from a layer into which holes are injected from the electrode and a layer which transports the holes away from the hole-injecting layer into the light-emitting layer.
- the electron-transporting layer may likewise consist of several layers, for example a layer in which electrons are injected through the electrode, and a layer which receives electrons from the electron-injecting layer and transports them into the light-emitting layer. These layers are selected in each case according to factors such as energy level, temperature resistance and charge carrier mobility, as well as energy difference of said layers with the organic layers or the metal electrodes.
- the skilled person is able to choose the structure of the OLEDs so that it is optimally adapted to the copper (I) complexes used according to the invention as emitter substances.
- the HOMO (highest occupied molecular orbital) of the hole-transporting layer should be aligned with the working function of the anode and the LUMO (lowest unoccupied molecular orbital) of the electron-transporting layer should be matched to the work function of the cathode.
- the anode (1) is an electrode that provides positive charge carriers. It can be constructed, for example, of materials which contain a metal, a mixture of different metals, a metal alloy, a metal oxide or a mixture of different metal oxides. Alternatively, the anode may be a conductive polymer. Suitable metals include the metals of groups Ib, IVa, Va and VIa of the Periodic Table of the Elements and the transition metals of group VIII. If the anode is to be transparent, mixed metal oxides of groups IIb, IIIb and IVb of the Periodic Table of the Elements are generally used used, for example indium tin oxide (ITO). It is also possible that the anode (1) contains an organic material, for example polyaniline, as described for example in Nature, Vol. 357, pages 477 to 479 (June 11, 1992). At least either the anode or the cathode should be at least partially transparent in order to decouple the light formed.
- ITO indium tin oxide
- Suitable hole transport materials for the layer (2) of the OLED according to the invention are disclosed, for example, in Kirk-Othmer Encyclopedia of Chemical Technology, 4th Edition, Vol. 18, pages 837 to 860, 1996. Both hole-transporting molecules and polymers can be used as hole transport material.
- Commonly used hole-transporting molecules are selected from the group consisting of 4,4'-bis [N- (1-naphthyl) -N-phenyl-amino] biphenyl ( ⁇ -NPD), N, N'-diphenyl-N, N'-bis (3-methylphenyl) - [1, 1'-biphenyl] -4,4'-diamine (TPD), 1, 1-bis [(di-4-tolylamino) - phenyl] cyclohexane (TAPC), N, N'-bis (4-methylphenyl) -N, N'-bis (4-ethylphenyl) - [1 I 1'- (3,3'-dimethyl) biphenyl] -4, 4'-diamine (ETPD), tetrakis (3-methylphenyl) -N, N, N ', N'-2,5-phenylenediamine (PDA), ⁇ -phenyl-4-N, N
- hole-transporting polymers are selected from the group consisting of polyvinylcarbazoles, (phenylmethyl) polysilanes and polyanilines. It is also possible to obtain hole-transporting polymers by doping hole-transporting molecules in polymers such as polystyrene and polycarbonate. Suitable hole-transporting molecules are the molecules already mentioned above.
- Suitable electron-transporting materials for the layer (4) of the inventive OLEDs include chelated with oxinoid compounds metals such as tris (8-quinolinolato) aluminum (Alq 3 ), phenanthroline-based compounds such as 2,9-dimethyl-4,7-diphenyl-1 , 10-phenanthroline (BCP) or 4,7-diphenyl-1,10-phenanthroline (DPA) and azole compounds such as 2- (4-biphenylyl) -5- (4-t-butylphenyl) -1,3,4-oxadiazole (PBD) and 3- (4-biphenylyl) -4-phenyl-5- (4-t-butylphenyl) -1,2,4-triazole (TAZ).
- metals such as tris (8-quinolinolato) aluminum (Alq 3 )
- phenanthroline-based compounds such as 2,9-dimethyl-4,7-diphenyl-1 , 10-phenanthro
- the layer (4) can serve both to facilitate the electron transport and as a buffer layer or as a barrier layer in order to avoid quenching of the exciton at the boundary surfaces of the layers of the OLED.
- the layer (4) improves the mobility of the electrons and reduces quenching of the exciton.
- the cathode (5) is an electrode which serves to introduce electrons or negative charge carriers.
- the cathode may be any metal or non-metal that has a lower work function than the anode.
- Suitable materials for the cathodes are selected from the group consisting of alkali metals of group Ia, for example Li, Cs, alkaline earth metals of group IIa, metals of group IIb of the Perio ⁇ densystems of the elements, and the rare earth metals and the lanthanides and actinides.
- metals such as aluminum, indium, calcium, barium, samarium and magnesium and combinations thereof can be used.
- lithium-containing organometallic compounds or LiF can be applied between the organic layer and the cathode to reduce the operating voltage.
- the OLED according to the present invention may additionally contain further layers which are known to the person skilled in the art.
- a layer can be applied between the layer (2) and the light-emitting layer (3), which facilitates the transport of the positive charge and / or adapts the band gap of the layers to one another.
- this further layer can serve as a protective layer.
- additional layers may be present between the light-emitting layer (3) and the layer (4) to facilitate the transport of the negative charge and / or to match the bandgap between the layers.
- this layer can serve as a protective layer.
- the OLED according to the invention contains at least one of the further layers mentioned below: a hole injection layer between the anode (1) and the hole-transporting layer (2); a blocking layer for electrons between the hole-transporting layer (2) and the light-emitting layer (3); a blocking layer for holes between the light-emitting layer (3) and the electron-transporting layer (4); an electron injection layer between the electron transporting
- Suitable materials for the individual layers are known to those skilled in the art and e.g. in WO 00/70655.
- each of the mentioned layers of the OLED according to the invention can be developed from two or more layers.
- the selection of the materials for each of the mentioned layers is preferably determined by obtaining an OLED with a high efficiency.
- the preparation of the OLEDs according to the invention can be carried out by methods known to the person skilled in the art.
- the OLED is characterized by successive
- Suitable substrates are, for example, glass or polymer films.
- the organic layers may be prepared from solutions or dispersions in suitable solvent
- Solvents are coated, with the specialist known coating techniques are used.
- the various layers have the following thicknesses: anode (2) 500 to 5000 ⁇ , preferably 1000 to 2000 ⁇ ; hole-transporting layer (3) 50 to 1000 ⁇ , preferably 200 to 800 ⁇ , light-emitting layer (4) 10 to 1000 ⁇ , preferably 100 up to 800 ⁇ , electron-transporting layer (5) 50 to 1000 ⁇ , preferably 200 to 800
- cathode (6) 200 to 10,000 ⁇ , preferably 300 to 5000 ⁇ .
- the position of the recombination zone of holes and electrons in the OLED according to the invention and thus the emission spectrum of the OLED can be influenced by the relative thickness of each layer. This means that the thickness of the electron transport layer should preferably be selected such that the electron / holes recombination zone lies in the light-emitting layer.
- the ratio of the layer thicknesses of the individual layers in the OLED depends on the materials used.
- the layer thicknesses of optionally used additional layers are known to the person skilled in the art.
- OLEDs By using the copper (I) complexes according to the invention as the emitter molecule in the light-emitting layer of the OLEDs according to the invention, OLEDs can be obtained with high efficiency.
- the efficiency of the OLEDs according to the invention can be further improved by optimizing the other layers.
- highly efficient cathodes such as Ca, Ba or LiF can be used.
- Formed substrates and new hole-transporting materials, which cause a reduction in the operating voltage or an increase in the quantum efficiency, can also be used in the OLEDs according to the invention.
- additional layers may be present in the OLEDs to adjust the energy levels of the various layers and facilitate electroluminescence.
- the OLEDs according to the invention can be used in all devices where electroluminescence is useful. Suitable devices are preferably selected from stationary and mobile screens. Stationary screens are e.g. Screens of computers, televisions, screens in printers, kitchen appliances, billboards, lighting and signboards. Mobile screens are e.g. Screens in mobile phones, laptops, vehicles and destination displays on buses and trains.
- the copper (I) complexes used according to the invention can be used in OLEDs with inverse structure.
- the copper (I) complexes in these inverse OLEDs are preferably used in turn in the light-emitting layer, particularly preferably as a light-emitting layer without further additives.
- the structure of inverse OLEDs and the materials usually used therein are known to the person skilled in the art.
- Another object of the present application are novel copper (I) complexes of the formula Ia
- R is alkyl or aryl
- Ar is phenyl or naphthyl, which is in each case optionally substituted by one to three radicals selected from the group consisting of alkoxy, alkylthio, alkylamino, dialkylamino, alkoxycarbonyl, alkoxysulfonyl, halogen, cyano, carboxyl, hydroxysulfonyl or nitro, the two being optionally substituted phenyl or naphthyl ⁇ - to the phosphorus atom via the aND ⁇ '- disturbingn carbon atoms by a chemical single bond may be linked together,
- Y is cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino.
- Ar is phenyl or naphthyl, which is in each case optionally substituted by one to three radicals selected from the group consisting of alkoxy, alkylamino, dialkylamino, alkoxycarbonyl, halogen, cyano, carboxyl or nitro, where the two optionally substituted phenyl or naphthyl radicals on the ⁇ - to the phosphorus atom and ⁇ '- drivingn carbon atoms by a chemical Ein ⁇ multiple bond can be linked together,
- Y is alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or dia- rylamino.
- Ar is phenyl or naphthyl
- Y is alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or dia- rylamino.
- Another object of the present application are new copper (I) complexes of the formula Ib
- Ar is phenyl or naphthyl, which is in each case optionally substituted by one to three radicals selected from the group consisting of alkoxy, alkylthio, alkylamino, dialkylamino, alkoxycarbonyl, alkoxysulfonyl, halogen, cyano, carboxyl, hydroxysulfonyl or nitro, the two being optionally substituted phenyl or naphthyl ⁇ - to the phosphorus atom via the aND ⁇ '- disturbingn carbon atoms by a chemical single bond may be linked together,
- Y is halogen, cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino.
- Ar is phenyl or naphthyl, which is in each case optionally substituted by one to three radicals selected from the group consisting of alkoxy, alkylamino, dialkylamino, alkoxycarbonyl, halogen, cyano, carboxyl or nitro, where the two optionally substituted phenyl or naphthyl radicals on the to the
- Y is halogen, cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino.
- Ar is phenyl or naphthyl
- Y is halogen, cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino.
- the copper complexes of the formulas Ia and Ib can be synthesized on the basis of the already known complexes. Reference should also be made to the statements made beforehand regarding the synthesis of the copper (I) complex of the formula I and the reference to the relevant literature cited at the outset.
- ITO indium-tin-oxide
- ⁇ -NPD 4,4'-bis [N- (1-naphthyl) -N-phenyl-amino] biphenyl
- Cu (tripod) 1 Exemplary compound (emitter)
- BCP 2,9-dimethyl -4,7-diphenyl-1,10-phenanthroline
- LiF lithium fluoride
- the emission maximum of the emitter for this layer structure was 526 nm.
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Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05792528A EP1794211B1 (de) | 2004-09-24 | 2005-09-20 | Verwendung von kupfer(i)-komplexen in organischen lichtemittierenden dioden |
| KR1020077008810A KR101290841B1 (ko) | 2004-09-24 | 2005-09-20 | 구리(ⅰ) 착화합물의 유기 발광 다이오드 내 용도 |
| AT05792528T ATE502069T1 (de) | 2004-09-24 | 2005-09-20 | Verwendung von kupfer(i)-komplexen in organischen lichtemittierenden dioden |
| DE502005011136T DE502005011136D1 (de) | 2004-09-24 | 2005-09-20 | Verwendung von kupfer(i)-komplexen in organischen lichtemittierenden dioden |
| US11/575,554 US7858208B2 (en) | 2004-09-24 | 2005-09-20 | Use of a copper (I) complexes for organic luminescent diodes |
| JP2007532818A JP5026976B2 (ja) | 2004-09-24 | 2005-09-20 | 有機発光ダイオードへの銅(i)錯体の使用 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004046665A DE102004046665A1 (de) | 2004-09-24 | 2004-09-24 | Verwendung von Kupfer(I)-Komplexen in organischen lichtemittierenden Dioden |
| DE102004046665.3 | 2004-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006032449A1 true WO2006032449A1 (de) | 2006-03-30 |
Family
ID=35447186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2005/010122 Ceased WO2006032449A1 (de) | 2004-09-24 | 2005-09-20 | Verwendung von kupfer(i)-komplexen in organischen lichtemittierenden dioden |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7858208B2 (de) |
| EP (1) | EP1794211B1 (de) |
| JP (1) | JP5026976B2 (de) |
| KR (1) | KR101290841B1 (de) |
| CN (1) | CN101027339A (de) |
| AT (1) | ATE502069T1 (de) |
| DE (2) | DE102004046665A1 (de) |
| WO (1) | WO2006032449A1 (de) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009066745A1 (ja) * | 2007-11-19 | 2009-05-28 | Sumitomo Chemical Company, Limited | 多核錯体 |
| DE102008048336A1 (de) | 2008-09-22 | 2010-03-25 | Merck Patent Gmbh | Einkernige neutrale Kupfer(I)-Komplexe und deren Verwendung zur Herstellung von optoelektronischen Bauelementen |
| DE102008053121A1 (de) | 2008-10-24 | 2010-04-29 | Merck Patent Gmbh | Doppelkomplex-Salze als Emitter in OLED-Vorrichtungen |
| WO2010082924A1 (en) * | 2009-01-14 | 2010-07-22 | Universal Display Corporation | Cross-linkable copper phthalocyanine complexes |
| WO2010149748A1 (de) | 2009-06-24 | 2010-12-29 | Hartmut Yersin | Kupfer-komplexe für optoelektronische anwendungen |
| WO2013072508A1 (de) | 2011-11-16 | 2013-05-23 | Cynora Gmbh | Heteroleptische kupfer-komplexe für optoelektronische anwendungen |
| WO2016055557A1 (de) | 2014-10-08 | 2016-04-14 | Cynora Gmbh | Metall-komplexe mit tridentaten liganden für optoelektronische anwendungen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720330B (zh) * | 2007-06-22 | 2017-06-09 | Udc爱尔兰有限责任公司 | 发光Cu(I)络合物 |
| JP5804703B2 (ja) * | 2007-07-05 | 2015-11-04 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | ジシリルカルバゾール、ジシリルジベンゾフラン、ジシリルジベンゾチオフェン、ジシリルジベンゾホスホール、ジシリルジベンゾチオフェンs−オキシドおよびジシリルジベンゾチオフェンs,s−ジオキシドから選択される少なくとも1つのジシリル化合物を含む有機発光ダイオード |
| DE102009057167A1 (de) * | 2009-12-05 | 2011-06-09 | Merck Patent Gmbh | Elektronische Vorrichtung enthaltend Metallkomplexe |
| DE102010062954A1 (de) | 2010-12-13 | 2012-06-14 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement und Verwendung eines Kupferkomplexes in einer Ladungserzeugungsschichtfolge |
| WO2012144530A1 (ja) * | 2011-04-22 | 2012-10-26 | 住友化学株式会社 | 銅錯体 |
| DE102011084639A1 (de) * | 2011-10-17 | 2013-04-18 | Osram Opto Semiconductors Gmbh | Organisches elektronisches bauelement mit dotierstoff, verwendung eines dotierstoffs und verfahren zur herstellung des dotierstoffs |
| US10177325B2 (en) | 2013-06-14 | 2019-01-08 | Rutgers, The State University Of New Jersey | Light emitting hybrid semiconductors based on IB-VII binary compounds |
| KR102167047B1 (ko) | 2013-12-09 | 2020-10-19 | 삼성디스플레이 주식회사 | 유기 금속 착체 및 이를 포함한 유기 발광 소자 |
| US9905786B2 (en) | 2014-09-17 | 2018-02-27 | Samsung Display Co., Ltd. | Organometallic complex and organic light-emitting device including the same |
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- 2005-09-20 KR KR1020077008810A patent/KR101290841B1/ko not_active Expired - Lifetime
- 2005-09-20 AT AT05792528T patent/ATE502069T1/de active
- 2005-09-20 DE DE502005011136T patent/DE502005011136D1/de not_active Expired - Lifetime
- 2005-09-20 US US11/575,554 patent/US7858208B2/en active Active
- 2005-09-20 JP JP2007532818A patent/JP5026976B2/ja not_active Expired - Lifetime
- 2005-09-20 CN CNA2005800321406A patent/CN101027339A/zh active Pending
- 2005-09-20 WO PCT/EP2005/010122 patent/WO2006032449A1/de not_active Ceased
- 2005-09-20 EP EP05792528A patent/EP1794211B1/de not_active Expired - Lifetime
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009066745A1 (ja) * | 2007-11-19 | 2009-05-28 | Sumitomo Chemical Company, Limited | 多核錯体 |
| EP2712000A1 (de) | 2008-09-22 | 2014-03-26 | Merck Patent GmbH | Materialien für organische Elektrolumineszenzvorrichtungen |
| DE102008048336A1 (de) | 2008-09-22 | 2010-03-25 | Merck Patent Gmbh | Einkernige neutrale Kupfer(I)-Komplexe und deren Verwendung zur Herstellung von optoelektronischen Bauelementen |
| US8835021B2 (en) | 2008-09-22 | 2014-09-16 | Merck Patent Gmbh | Materials for organic electroluminescence devices |
| EP2712001A1 (de) | 2008-09-22 | 2014-03-26 | Merck Patent GmbH | Materialien für organische Elektrolumineszenzvorrichtungen |
| DE102008053121A1 (de) | 2008-10-24 | 2010-04-29 | Merck Patent Gmbh | Doppelkomplex-Salze als Emitter in OLED-Vorrichtungen |
| WO2010082924A1 (en) * | 2009-01-14 | 2010-07-22 | Universal Display Corporation | Cross-linkable copper phthalocyanine complexes |
| EP2502927A1 (de) | 2009-06-24 | 2012-09-26 | Cynora GmbH | Kupfer-Komplexe für optoelektronische Anwendungen |
| DE102009030475A1 (de) | 2009-06-24 | 2011-01-05 | Hartmut Prof. Dr. Yersin | Kupfer-Komplexe für optoelektronische Anwendungen |
| WO2010149748A1 (de) | 2009-06-24 | 2010-12-29 | Hartmut Yersin | Kupfer-komplexe für optoelektronische anwendungen |
| WO2013072508A1 (de) | 2011-11-16 | 2013-05-23 | Cynora Gmbh | Heteroleptische kupfer-komplexe für optoelektronische anwendungen |
| US9985225B2 (en) | 2011-11-16 | 2018-05-29 | Cynora Gmbh | Heteroleptic copper complexes for optoelectronic uses |
| WO2016055557A1 (de) | 2014-10-08 | 2016-04-14 | Cynora Gmbh | Metall-komplexe mit tridentaten liganden für optoelektronische anwendungen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004046665A1 (de) | 2006-07-27 |
| DE502005011136D1 (de) | 2011-04-28 |
| EP1794211B1 (de) | 2011-03-16 |
| JP2008514562A (ja) | 2008-05-08 |
| US20080199731A1 (en) | 2008-08-21 |
| CN101027339A (zh) | 2007-08-29 |
| EP1794211A1 (de) | 2007-06-13 |
| ATE502069T1 (de) | 2011-04-15 |
| KR101290841B1 (ko) | 2013-08-19 |
| JP5026976B2 (ja) | 2012-09-19 |
| KR20070054729A (ko) | 2007-05-29 |
| US7858208B2 (en) | 2010-12-28 |
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