摘要:
A method for producing magnesium compound represented by formula (I): Mg(OEt)2-n(OMe)n (I) where Et is an ethyl group, Me is a methyl group and n is a numerical value of from 0.001 to 1, by reacting metal magnesium, ethanol, methanol and a halogen and/or a halogen-containing compound containing at least 0.0001 gram atom of a halogen atom relative to one gram atom of the metal magnesium. A method of producing a solid catalyst component.
摘要:
Provided are a novel aromatic amine derivative represented by the following general formula (1) and an organic electroluminescent device including an organic thin film formed of one or a plurality of layers including at least a light emitting layer interposed between a cathode and an anode, in which at least one layer of the organic thin film contains the aromatic amine derivative alone or as a component of a mixture, which contributes to suppressing molecular crystallization and improving yield in the production of an organic electroluminescent device, whereby an organic electroluminescent device having a long lifetime can be obtained, and the aromatic amine derivative is capable of realizing the organic electroluminescent device: where: R1 represents an aryl group or the like; a represents an integer of 0 to 4; b represents an integer of 1 to 3; and at least one of Ar1 to Ar4 represents a group represented by the following general formula (2): where Ar5 represents a fused aromatic ring group and Ar6 represents an aryl group or an aromatic heterocyclic group, where remaining groups of Ar1 to Ar4, none of which is represented by the general formula (2), each independently represent an aryl group or an aromatic heterocyclic group.
摘要:
Provided are an aromatic triamine compound of a specific structure having at least one terphenyl structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers having at least a luminescent layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin film layers contains the aromatic triamine compound described above in the form of a single component or a mixed component, and provided are the organic electroluminescence device having a high luminous efficiency and a long life and the novel aromatic triamine compound for materializing the same.
摘要:
An aromatic amine derivative with a specific structure having a carbazole skeleton to which a diarylamino group bonds via a bonding group. An organic electroluminescence device which is composed of one or more organic thin film layers including at least one light emitting layer sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers contains the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices with enhanced efficiency of light emission and a compound realizing the devices are provided.
摘要:
The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime.
摘要:
Provided are a novel aromatic amine derivative having an asymmetric structure and an organic electroluminescence device in which, an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, at least one layer in the above organic thin film layer contains the aromatic amine derivative described above in the form of a single component or a mixed component, whereby molecules are less liable to be crystallized; a yield in producing the organic electroluminescence device is enhanced; and a lifetime is extended.
摘要:
An organic electroluminescent device (10) including: an anode (1), a first emitting layer (3), a carrier barrier layer (4), a second emitting layer (5) and a cathode (7) in that order; the carrier barrier layer (4) including an aromatic amine derivative having a glass transition temperature of more than 110° C. represented by the following general formula (1); wherein L1 is a divalent group of a substituted or unsubstituted arylene group with 5 to 60 carbon atoms, or a substituted or unsubstituted heterocyclic group; Ar1 is a substituted or unsubstituted substituent with 10 to 50 nucleus atoms, or a substituent represented by the following general formula (2); and Ar2 to Ar4 are each a substituted or unsubstituted substituent with 5 to 50 nucleus atoms or a substituent represented by the following formula (2), provided that Ar1 to Ar4 are not condensed rings.
摘要:
An aromatic amine compound having a specific structure, the following organic electroluminescence device and the noble aromatic amine compounds enable for realizing the device are provided. The device, which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layers comprises the aromatic amine derivative singly or as its mixture component, exhibits various luminescent hue and has high heat resistance, a long lifetime, high luminance and high current efficiency. In particular, the device exhibits low decay of luminance based on driving it.
摘要:
A catalyst for polymerization of olefins or styrenes, which is prepared by contacting (A) a transition metal compound, (B) at least one material selected from the group consisting of oxygen-containing compounds and compounds which react with a transition metal compound to form an ionic complex, and optionally (C) an alkylating agent with each other, and contacting these materials (A), (B) and (C) with an adsorbing substance (D), during or after the contact of materials (A), (B) and (C) with each other, followed by removing the adsorbing substance (D) from the contacted materials (A), (B) and (C).
摘要:
A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic EL device with a high emission efficiency and a long lifetime.