WO2005084082A1 - Organische elektronische vorrichtungen - Google Patents
Organische elektronische vorrichtungen Download PDFInfo
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- WO2005084082A1 WO2005084082A1 PCT/EP2005/001710 EP2005001710W WO2005084082A1 WO 2005084082 A1 WO2005084082 A1 WO 2005084082A1 EP 2005001710 W EP2005001710 W EP 2005001710W WO 2005084082 A1 WO2005084082 A1 WO 2005084082A1
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- WDIZAZLRHKLJOE-UHFFFAOYSA-N O=P(c1ccc2-c3ccccc3C3(c4ccccc4-c4ccccc34)c2c1)(c1ccc2-c3ccccc3C3(c4ccccc4-c4c3cccc4)c2c1)c1ccc2-c3ccccc3C3(c4ccccc4-c4ccccc34)c2c1 Chemical compound O=P(c1ccc2-c3ccccc3C3(c4ccccc4-c4ccccc34)c2c1)(c1ccc2-c3ccccc3C3(c4ccccc4-c4c3cccc4)c2c1)c1ccc2-c3ccccc3C3(c4ccccc4-c4ccccc34)c2c1 WDIZAZLRHKLJOE-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- 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
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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
- 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
- C09B57/00—Other synthetic dyes of known constitution
- C09B57/10—Metal complexes of organic compounds not being dyes in uncomplexed form
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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- 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]
- H10K50/14—Carrier transporting layers
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- 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
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
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- 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
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/113—Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene
- H10K85/1135—Polyethylene dioxythiophene [PEDOT]; Derivatives thereof
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- 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
- H10K85/30—Coordination compounds
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
- H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
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- 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
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
Definitions
- the present invention describes the novel use of certain compounds in organic electronic devices.
- O-SCs organic solar cells
- O-FETs organic field effect transistors
- O-TFTs organic thin-film transistors
- O-ICs organic switching elements
- O-lasers organic laser diodes
- OLEDs organic electroluminescent devices
- OLEDs organic electroluminescent devices
- Organic solar cells e.g. WO 98/48433, WO 94/05045
- organic field-effect transistors e.g. US 5705826, US 5596208, WO 00/42668
- organic thin-film transistors e.g. WO 95/31833, WO 99/10939
- organic optical amplifiers or organic laser diodes e.g. WO 98/03566) have a similar general structure.
- the operating voltage and the operating current are quite high, especially in the case of fluorescent OLEDs, and must therefore be reduced further in order to Improve performance efficiency. This is particularly important for mobile applications.
- Electron transport connections according to the prior art are not sufficient for this, this is not yet possible in practice.
- Fluorescent electroluminescent devices that use AIQ 3 as electron conductors have long been known and were described in US 4,539,507 as early as 1993; AIQ 3 has since been used in most OLEDs
- Electron transport material used In the above application, it is used as an electron transport material in the emission layer.
- AIQ 3 has several disadvantages: It cannot be vapor-deposited without residue, since it partially decomposes at the sublimation temperature, which is particularly true for
- AIQ 3 Synthesized and stored under normal conditions, in addition to the hydroxyquinoline ligands, AIQ 3 still contains one molecule of water per complex molecule (H. Schmidbaur et al., Z. Naturforsch. 1991, 46b, 901-911), which is extremely heavy is to be removed.
- AIQ 3 must therefore be laboriously cleaned in complicated, multi-stage sublimation processes and then stored and handled in a protective gas atmosphere with the exclusion of water.
- large fluctuations in the quality of individual AIQ 3 batches and poor storage stability were found (S. Karg, E-MRS.
- AIQ 3 also has low electron mobility, which leads to higher voltages and thus lower power efficiency. To avoid short circuits in the display, one would like to increase the layer thickness; this is not possible with AIQ 3 due to the low mobility of the charge carriers and the resulting increase in voltage.
- the charge carrier mobility of other electron conductors US Pat. No. 4,539,507 is also too low to build up thicker layers with it, the lifetime of the OLED being even worse than when using AIQ 3 .
- the intrinsic color (yellow in solid) of AIQ 3 also proves to be very unfavorable, which is particularly the case with blue OLEDs due to reabsorption and weak re-emission
- Electron transport layers can be used, which reduces or prevents the frequency of short circuits and brings further advantages already mentioned above.
- X is the same or different on each occurrence O, S, Se, Te or NR;
- R is the same or different each time an organic radical having 1 to 22 carbon atoms or OH or NH 2 ; with the proviso that the compound A has a molecular weight of> 150 g / mol and ⁇ 10000 g / mol and that the device has no phosphorescent
- a “defined compound” is to be understood to mean a compound which has a composition and structure which can be described exactly. It does not mean any polymers or, in general, no compounds with a molecular weight distribution. Smaller proportions of
- Organic electronic devices are preferred, characterized in that they contain a compound A of the formulas (1) to (4) (Scheme 1),
- R 5 is the same or different at each occurrence R 4 or CN, B (R 6 ) 2 or Si (R 6 ) 3 ;
- Each occurrence of R 6 is the same or different H or an aliphatic or aromatic hydrocarbon radical having 1 to 20 C atoms;
- An aromatic or heteroaromatic system in the sense of this invention is to be understood as a system which does not necessarily only contain aromatic or heteroaromatic groups, but in which two or more aromatic or heteroaromatic groups are also represented by a short, non-aromatic unit (preferably ⁇ 10% of atoms other than H), such as.
- B. an sp 3 hybridized C, N or O atom may be interrupted.
- systems such as 9,9' spirobifluorene, 9,9-DiaryIfluoren, triarylamine, etc., are to be understood as aromatic systems for the purposes of this application, for example.
- the radicals methyl, ethyl, n-propyl, i- are particularly preferably under a Cr to C 22 alkyl group in which individual H atoms or CH 2 groups can be substituted by the above-mentioned groups.
- a CC 4 o aromatic or heteroaromatic ring system which can in each case still be substituted with the abovementioned R 3 radicals, is understood in particular to mean groups which are derived from benzene, naphthalene, biphenylene, terphenylene, fluorene, spirobifluorene, dihydrophenanthrene, tetrahydropyrene, ice - or trans-indofluorene,
- Oxadiazole 1, 2,3-thiadiazole, 1, 2,4-thiadiazole, 1, 2,5-thiadiazole, 1, 3,4-thiadiazole, 1, 3,5-triazine, 1, 2,4-triazine, 1, 2,3-triazine, tetrazole, 1, 2,4,5-tetrazine, 1, 2,3,4-tetrazine, 1, 2,3,5-tetrazine, purine, pteridine, indolizine and benzothiadiazole.
- Electronic devices in the sense of this invention are preferably organic
- Electroluminescent devices organic light-emitting diodes, OLEDs), organic thin-film transistors (O-TFTs), organic field-effect transistors (O-FETs), organic solar cells (O-SCs), organic photoreceptors or organic lasers (O-lasers), in particular organic electroluminescent devices ,
- OLEDs organic light-emitting diodes
- O-TFTs organic thin-film transistors
- OFETs organic field-effect transistors
- O-SCs organic solar cells
- O-lasers organic photoreceptors or organic lasers
- An organic electronic device is particularly preferred, characterized in that Y stands for P or S.
- An organic electronic device is furthermore particularly preferred, characterized in that X stands for O. ,
- an organic electronic device is particularly preferred, characterized in that at least one of the radicals R 1 , R 2 and / or R 3 represents an aromatic or heteroaromatic system; in particular at least two of the radicals R 1 , R 2 and / or R 3 represent an aromatic or heteroaromatic system.
- Preferred alkyl groups are, for example, tert-butyl, adamantyl, norbornyl, etc.
- Organic electronic devices are very particularly preferred, characterized in that the compounds containing units according to the formulas
- At least one of the sp 3 -hybridized atoms is a secondary, tertiary or quaternary atom, particularly preferably a tertiary or quaternary atom, very particularly in the case of carbon, silicon or germanium preferably a quaternary atom.
- a secondary, tertiary or quaternary atom is understood to mean an atom with two, three or four substituents other than hydrogen.
- R 4 is a 9.9'-spirobifluorene derivative, preferably linked via the 2 and / or 2.7 and / or 2.2 ' and / or 2.2 ' , 7 and / or 2.2 ' , 7 , 7 ' position, a 9,9-disubstituted fluorene derivative, preferably linked via the 2- and / or 2,7-position, a 6,6- and / or 12,12-di- or tetrasubstituted indenofluorene derivative
- Triptycene derivative preferably linked via the 9- and / or 10-position, a dihydrophenanthrene derivative, preferably linked via the 2- and / or 2,7-position, or a hexaarylbenzene derivative, preferably linked via the p-position on or on the aromatics.
- R 4 contain a 9,9'-spirobifluorene derivative.
- At least one of the substituents R 1 , R 2 and / or R 3 is a biaryl compound which is non-planar by rotation about the aryl-aryl axis. This is particularly the case when the at least one of the aryl groups, preferably both, are substituted in the ortho position to the aryl-aryl linkage, for example an ortho-linked biphenyl or a 1,1'-binaphthyl. Also preferred are compounds that are dendritic in structure. Also preferred are 1,3,5-trisubstituted benzenes.
- Examples of suitable structures are the following Examples 1 to 52:
- Compound A is preferably used as an electron transport material.
- An electron transport material is a material that predominantly conducts electrons in the electronic device.
- An organic electronic device is furthermore preferred, characterized in that the layer containing compound A consists of at least 50%, preferably at least 80% of this compound and very particularly preferably only of compound A as a clean layer.
- the use of a mixture of compound A and further compounds can also be preferred.
- the other compounds can be both organic and inorganic, for example doping with a base metal, such as. B. alkali and / or alkaline earth metals, or with an organometallic compound such as. B. Co (Cp) 2 or Ni (Cp) 2 .
- an organic electronic device is further preferred, characterized in that the compound A is amorphous and the glass transition temperature T g of the compound A is greater than 100 ° C, particularly preferably greater than 130 ° C, in particular greater than 160 ° C.
- the organic electronic device can also contain further layers. These can be, for example: hole injection layer, hole transport layer, emission layer, hole blocking layer, electron transport layer and / or electron injection layer. At this point, however, it should be pointed out that each of these layers does not necessarily have to be present.
- An emission layer is necessarily present in an organic electroluminescent device.
- a preferred aspect of the invention is an organic electroluminescent device according to the invention, comprising between the fluorescent device
- Emission layer and the cathode at least one electron transport layer, characterized in that the electron transport material contains at least one compound A.
- the thickness of the electron transport layer is preferably between 5 and 500 nm, particularly preferably between 10 and 100 nm, very particularly preferably between 20 and 70 nm.
- the electron transport material according to the invention has a higher charge mobility compared to known electron transport materials, such as. B. AIQ 3 , which has a technological
- Another preferred aspect of the invention is an organic electroluminescent device according to the invention, characterized in that the
- Emission layer contains at least one fluorescent emitter and at least one electron transport material, wherein the electron transport material contains at least one compound A. It is not absolutely necessary for the connection A to be present as a host in the layer to a large extent. Even a small proportion of compound A can be electron-conducting
- both an electron transport layer containing at least one compound A and an emission layer containing at least one compound A are present in the organic electroluminescent device.
- the emission layer which contains the compound A can be directly adjacent to the electron injection layer or to the cathode without using a separate electron transport layer. It can also be preferred if, in an organic electroluminescent device, the emission layer which contains the compound A is directly adjacent to the hole injection layer.
- An organic electroluminescent device is further preferred, characterized in that the emitter (s) fluoresce with suitable excitation in the visible spectral range with one or more maxima between 380 nm and 750 nm. It may also be preferred if the emitters have several different emission maxima, so that white emission results overall.
- an organic electronic device characterized in that one or more layers are coated with a sublimation process.
- the materials are evaporated in vacuum sublimation systems at a pressure of less than 10 "5 mbar, preferably less than 10 " 6 mbar, particularly preferably less than 10 "7 mbar.
- An organic electronic device is also preferred, characterized in that one or more layers are coated with the OVPD (Organic Vapor Phase Deposition) process or with the aid of a carrier gas sublimation.
- the materials are at a pressure between 10 "5 mbar and
- an organic electronic device characterized in that one or more layers of solution, such as. B. by spin coating, or with any printing method, such as. B. screen printing, flexographic printing or offset printing, but particularly preferably LITI (Light Induced Thermal Imaging, thermal transfer printing) or ink-jet printing (ink jet printing).
- LITI Light Induced Thermal Imaging, thermal transfer printing
- ink-jet printing ink jet printing
- the operating voltage is significantly reduced. This increases performance efficiency. This is especially true when no separate electron transport layer is used.
- blue OLEDs can be represented in better color purity, since the compounds A are colorless and do not impair the efficiency and the color of the OLED by re-absorption and re-emission. 5. Since the compounds A are generally not hygroscopic, they can be processed more easily and with less technical effort compared to AIQ 3 . 6. Since the compounds A have a higher charge carrier mobility than electron transport materials according to the prior art, such as. B. AIQ 3 , thicker electron transport layers can be used.
- this is important for avoiding short circuits and is furthermore particularly necessary for the combination of fluorescent and phosphorescent OLEDs in a display, since the thicker layer thicknesses of the phosphorescent OLEDs must be compensated for by a thicker electron transport layer of the fluorescent OLEDs.
- the main target is organic light-emitting diodes and the corresponding displays.
- the starting materials were from ALDRICH or ABCR (solvent, magnesium, n-BuLi, phosphorus trichloride, thionyl chloride). 2,2'-bis (diphenylphosphinoyI) -1, 1'-binaphthyl (H. Takaya et al., Organic Synthesis
- 1, 1'-binaphthyl was purified as follows: First, 50 g of the crude product were placed in a Soxhlett extractor and extracted with chloroform through a glass fiber extraction thimble (pore size 0.1 ⁇ m). The chloroform was concentrated to a volume of 100 ml and 500 ml of ethanol were added. The resulting precipitate was filtered off and washed with ethanol.
- OLEDs were produced using a general process according to WO 05/003253, which in individual cases depends on the particular circumstances (e.g.
- HIL Hole injection layer 60 nm PEDOT (spun on water; obtained from H.C. Starck; poly (3,4-ethylenedioxy-2,5-thiophene)
- electron conductor (ETL) 10 nm - 50 nm (for exact structure see examples in Table 1) (evaporated: AIQ 3 obtained from SynTec; Tris (quinolinato) aluminum (III) or bis (9,9'-spirobifluoren-2-yl) phenyl -phosphine oxide) (synthesized according to the unpublished application DE 10330
- OLEDs which have not yet been optimized, have been characterized as standard; For this purpose, the electroluminescence spectra, the efficiency (measured in cd / A), the power efficiency (measured in Im / W) depending on the brightness, calculated from current-voltage-brightness characteristics (IUL characteristics), and the service life were determined. The time after which the initial brightness of the
- OLED has dropped to half at a constant current density of 10 mA / cm 2 .
- the layer thickness was optimized separately for each material for the electron transport layer.
- the thicker AIQ 3 layer thicknesses are also listed, which are directly comparable with the layer thicknesses from E1 to E4.
- the results of some examples are summarized in Table 1, the composition of the ETL including the layer thicknesses being listed in each case.
- the ETLs contain, for example, the compound E1 bis (9,9'-spirobifluoren-2-yl) phenylphosphine oxide or the others as the electron transport material
- OLEDs which contain AIQ 3 as the electron conductor according to the prior art serve as comparative examples. For better clarity, the corresponding structural formulas of the electron transport compounds used are shown below:
- the efficiencies, the power efficiencies, the service life and the color are better with the electron transport materials according to the invention than with the standard electron conductor AIQ 3 .
- OLEDs manufactured according to the new design principle, have a higher efficiency at lower voltages and a longer service life, as can easily be seen in Table 1.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP05715402A EP1716725A1 (de) | 2004-02-20 | 2005-02-18 | Organische elektronische vorrichtungen |
JP2006553552A JP2007527116A (ja) | 2004-02-20 | 2005-02-18 | 有機電子デバイス |
US10/590,037 US7776455B2 (en) | 2004-02-20 | 2005-02-18 | Organic electronic devices |
Applications Claiming Priority (2)
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DE102004008304A DE102004008304A1 (de) | 2004-02-20 | 2004-02-20 | Organische elektronische Vorrichtungen |
DE102004008304.5 | 2004-02-20 |
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WO2005084082A1 true WO2005084082A1 (de) | 2005-09-09 |
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PCT/EP2005/001710 WO2005084082A1 (de) | 2004-02-20 | 2005-02-18 | Organische elektronische vorrichtungen |
PCT/EP2005/001709 WO2005084081A1 (de) | 2004-02-20 | 2005-02-18 | Organische elektronische vorrichtungen |
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PCT/EP2005/001709 WO2005084081A1 (de) | 2004-02-20 | 2005-02-18 | Organische elektronische vorrichtungen |
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US (2) | US7776455B2 (de) |
EP (2) | EP1716724A1 (de) |
JP (2) | JP5253739B2 (de) |
KR (2) | KR20060127138A (de) |
CN (2) | CN100482023C (de) |
DE (1) | DE102004008304A1 (de) |
WO (2) | WO2005084082A1 (de) |
Cited By (219)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2007022845A1 (de) | 2005-08-26 | 2007-03-01 | Merck Patent Gmbh | Neue materialien für organische elektrolumineszenzvorrichtungen |
JP2007129206A (ja) * | 2005-10-04 | 2007-05-24 | Fujifilm Corp | 有機電界発光素子 |
JP2007281039A (ja) * | 2006-04-03 | 2007-10-25 | Seiko Epson Corp | 有機無機複合半導体材料、液状材料、有機発光素子、有機発光素子の製造方法、発光装置および電子機器 |
WO2008006449A1 (de) | 2006-07-11 | 2008-01-17 | Merck Patent Gmbh | Neue materialien für organische elektrolumineszenzvorrichtungen |
DE102007024850A1 (de) | 2007-05-29 | 2008-12-04 | Merck Patent Gmbh | Neue Materialien für organische Elektrolumineszenzvorrichtungen |
DE102008018670A1 (de) | 2008-04-14 | 2009-10-15 | Merck Patent Gmbh | Neue Materialien für organische Elektrolumineszenzvorrichtungen |
DE102008035413A1 (de) | 2008-07-29 | 2010-02-04 | Merck Patent Gmbh | Verbindungen für organische elektronische Vorrichtungen |
DE102008054141A1 (de) | 2008-10-31 | 2010-05-06 | Merck Patent Gmbh | Neue Materialien für organische Elektrolumineszenzvorrichtungen |
DE102008063490A1 (de) | 2008-12-17 | 2010-06-24 | Merck Patent Gmbh | Organische Elektrolumineszenzvorrichtung |
DE102009005289A1 (de) | 2009-01-20 | 2010-07-22 | Merck Patent Gmbh | Materialien für organische Elektrolumineszenzvorrichtungen |
DE102009005290A1 (de) | 2009-01-20 | 2010-07-22 | Merck Patent Gmbh | Verbindungen für elektronische Vorrichtungen |
DE102009005288A1 (de) | 2009-01-20 | 2010-07-22 | Merck Patent Gmbh | Materialien für organische Elektrolumineszenzvorrichtungen |
WO2010083869A2 (de) | 2009-01-23 | 2010-07-29 | Merck Patent Gmbh | Materialien für organische elektrolumineszenzvorrichtungen |
DE102009009277A1 (de) | 2009-02-17 | 2010-08-19 | Merck Patent Gmbh | Organische elektronische Vorrichtung |
DE102009012346A1 (de) | 2009-03-09 | 2010-09-16 | Merck Patent Gmbh | Organische Elektrolumineszenzvorrichtung |
DE102009017064A1 (de) | 2009-04-09 | 2010-10-14 | Merck Patent Gmbh | Organische Elektrolumineszenzvorrichtung |
EP2248869A2 (de) | 2005-09-12 | 2010-11-10 | Merck Patent GmbH | Verbindungen für organische elektronische Vorrichtungen |
WO2010149259A2 (en) | 2009-06-22 | 2010-12-29 | Merck Patent Gmbh | Conducting formulation |
DE102009032922A1 (de) | 2009-07-14 | 2011-01-20 | Merck Patent Gmbh | Materialien für organische Elektrolumineszenzvorrichtungen |
WO2011012212A1 (de) | 2009-07-27 | 2011-02-03 | Merck Patent Gmbh | Neue materialien für organische elektrolumineszenzvorrichtungen |
WO2011015265A2 (en) | 2009-08-04 | 2011-02-10 | Merck Patent Gmbh | Electronic devices comprising multi cyclic hydrocarbons |
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KR20060133584A (ko) | 2006-12-26 |
JP2007527116A (ja) | 2007-09-20 |
EP1716724A1 (de) | 2006-11-02 |
CN100482023C (zh) | 2009-04-22 |
US7776455B2 (en) | 2010-08-17 |
US20070164273A1 (en) | 2007-07-19 |
KR101175959B1 (ko) | 2012-08-22 |
JP5253739B2 (ja) | 2013-07-31 |
JP2007526634A (ja) | 2007-09-13 |
US7838126B2 (en) | 2010-11-23 |
DE102004008304A1 (de) | 2005-09-08 |
US20070170419A1 (en) | 2007-07-26 |
WO2005084081A1 (de) | 2005-09-09 |
CN1922929A (zh) | 2007-02-28 |
CN1922930A (zh) | 2007-02-28 |
KR20060127138A (ko) | 2006-12-11 |
EP1716725A1 (de) | 2006-11-02 |
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