- Radical Cation-Nucleophile Combination Reactions. Displacement of Halogen during Ipso Attack on Haloanthracene Radical Cations
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Second-order rate constants for the reactions of radical cations of a number of haloanthracenes with pyridine and 2-substituted pyridines were determined in acetonitrile and dichloromethane using electrochemical techniques.Attack at the ipso positions was
- Norrsell, Fredrik,Handoo, Kishan L.,Parker, Vernon D.
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- Phenanthridine Derivatives and organic light-emitting diode including the same
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PURPOSE: A phenanthridine derivative compound is provided to obatin an organic light emitting diode with excellent light emitting property. CONSTITUTION: A phenanthridine derivative compound is denoted by chemical formula 1 or 2. An organic light emitting diode contains an anode, a cathode, and the phenanthridine derivative compounds inserted between the anode and cathode. The organic light emitting diode further contains a hole injection layer, a hole transport layer, an electron blocking layer, a hole blocking layer, an electron transport layer, or an electron injection layer formed by monomer deposition or solution process.
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- Org. compd.
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To provide a novel anthracene derivative which exhibit blue to blue green light emission, provide a light-emitting element which emits blue to blue green light, provide a light-emitting element which emits blue to blue green light with a long lifetime, and provide a light-emitting element which emits blue to blue green light with high emission efficiency, an anthracene derivative represented by General Formula (G1) is provided. In addition, a light-emitting element which emits blue to blue green light can be obtained by using the anthracene derivatives represented by General Formula (G1). Further, a light-emitting element which emits blue to blue green light with high emission efficiency and/or high reliability can be obtained by using the anthracene derivatives represented by General Formula (G1).
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- Composition, method for manufacturing thin film, and method for manufacturing light-emitting element
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It is an object to provide a composition in which an anthracene derivative is dissolved and a technique in which a thin film that has a favorable film quality is formed by a wet process using the composition. In addition, it is another object to manufacture a highly reliable light-emitting element using the composition at low cost with high productivity. A composition having a solvent and an anthracene derivative having one anthracene structure and one carbazolyl group which is bonded to the anthracene structure directly or through a phenyl group is formed. A thin film with a favorable film quality can be formed by a wet process using the composition. Accordingly, a highly reliable light-emitting element can be manufactured using such a thin film.
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- Anthracene Derivative, Material for Light-Emitting Element, Light-Emitting Element, Light-Emitting Device, and Electronic Appliance
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An anthracene derivative represented by general formula (1) is provided. In the formula, Ar1, Ar3, Ar5, and Ar6 independently represent an aryl group having 6 to 13 carbon atoms, Ar2 and Ar4 independently represent an arylene group having 6 to 13 carbon atoms, and R1 to R8 independently represent hydrogen or an alkyl group having 1 to 4 carbon atoms. Ar1 to Ar6 may independently have a substituent. When Ar1 to Ar6 independently have two or more substituents, the substituents may be bonded to each other to form a ring. When a carbon atom of Ar1 to Ar6 has two substituents, the substituents may be bonded to each other to form a spiro ring.
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- ORGANIC COMPOUND, ANTHRACENE DERIVATIVE, AND LIGHT-EMITTING ELEMENTS, LIGHT-EMITTING DEVICES, ELECTRONIC DEVICES, AND LIGHTING DEVICES USING THE ANTHRACENE DERIVATIVE
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To provide a novel anthracene derivative which exhibit blue to blue green light emission, provide a light-emitting element which emits blue to blue green light, provide a light-emitting element which emits blue to blue green light with a long lifetime, and provide a light-emitting element which emits blue to blue green light with high emission efficiency, an anthracene derivative represented by General Formula (G1) is provided. In addition, a light-emitting element which emits blue to blue green light can be obtained by using the anthracene derivatives represented by General Formula (G1). Further, a light-emitting element which emits blue to blue green light with high emission efficiency and/or high reliability can be obtained by using the anthracene derivatives represented by General Formula (G1).
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- ANTHRACENE DERIVATIVE AND LIGHT-EMITTING DEVICES, ELECTRONIC DEVICES, AND LIGHTING DEVICE USING THE ANTHRACENE DERIVATIVE
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An anthracene derivative is disclosed, and a light-emitting element, a light-emitting device, an electronic device, and a lighting device using the anthracene derivatives are demonstrated. The structure of the anthracene derivative is described in detail in the specification. The use of the anthracene derivative enables the production of a blue emissive light-emitting element having high emission efficiency, excellent purity of emission color, and a long lifetime, which contributes to the production of a high-performance light-emitting device, electronic device, and lighting device.
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Page/Page column 32-33
(2010/05/13)
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- AROMATIC AMINE COMPOUND, AND LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC APPLIANCE USING THE AROMATIC AMINE COMPOUND
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An object of the present invention is to provide a novel aromatic amine compound, and a light-emitting element, a light-emitting device, and an electronic appliance with high luminous efficiency. An aromatic amine compound expressed by General Formula (1) and a light-emitting element, a light-emitting device, and an electronic appliance formed using the aromatic amine compound expressed by General Formula (1) are provided. By the use of the aromatic amine compound expressed by General Formula (1), the light-emitting element, the light-emitting device, and the electronic appliance can have high luminous efficiency.
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- Method of Synthesizing 9-Aryl-10-Iodoanthracene Derivative and Light-Emitting Material
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A method of efficiently synthesizing 9-aryl-10-iodoanthracene from 9-arylanthracene by a simple procedure is provided. By mixing an iodinating agent that is a substance having a structure of an amide group in which nitrogen of the amide group and iodine are directly bonded to each other, an acid, and 9-arylanthracene, iodine is introduced into the 10-position of 9-arylanthracene, whereby 9-aryl-10-iodoanthracene can be synthesized.
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Page/Page column 6
(2009/10/06)
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- ANTHRACENE DERIVATIVE, AND LIGHT-EMITTING MATERIAL, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE USING THE SAME
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Novel anthracene derivatives, novel materials capable of blue light emission with high color purity, and a light-emitting element, a light-emitting device, and an electronic device using any of the novel materials. The anthracene derivative represented by general formula (1) is provided. With the anthracene derivative, a light-emitting element with high emission efficiency can be provided. With the anthracene derivative, a light-emitting element emitting blue light with high color purity can be provided. In the formula, A1 represents a substituted or unsubstituted phenyl group, B1 represents any of an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted phenyl group, α represents any of a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyl-4,4′-diyl group, and R1 to R9 individually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group.
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- ANTHRACENE DERIVATIVE, AND LIGHT-EMITTING MATERIAL, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE USING THE SAME
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Novel anthracene derivatives, novel materials capable of blue light emission with high color purity, and a light-emitting element, a light-emitting device, and an electronic device using any of the novel materials. The anthracene derivative represented by general formula (1) is provided. With the anthracene derivative, a light-emitting element with high emission efficiency can be provided. With the anthracene derivative, a light-emitting element emitting blue light with high color purity can be provided. In the formula, A1 represents a substituted or unsubstituted phenyl group, B1 represents any of an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted phenyl group, represents any of a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyl-4,4'-diyl group, and R1 to R9 individually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group.
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Page/Page column 126
(2009/07/25)
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- Stilbene Derivative, Light-Emitting Element, Display Apparatus, and Electronic Appliance
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An object of the present invention is to provide a novel material having heat resistance which provides blue light emission, and a light-emitting element, a display apparatus, and an electronic appliance using the material. Aspects of the invention are a stilbene derivative represented by the following general formula (1), the light-emitting element in which a layer containing a light-emitting material interposed between two electrodes is included and the stilbene derivative is contained in the layer containing a light-emitting material, the display apparatus including the light-emitting element, and the electronic appliance including the display apparatus.
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Page/Page column 36
(2010/11/30)
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- ANTHRACENE DERIVATIVE, MATERIAL FOR LIGHT EMITTING ELEMENT, LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AND ELECTRONIC APPLIANCE
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The present invention provides an anthracene derivative represented by the following general formula (1). In the general formula (1), R1 and R2 individually represent hydrogen or an alkyl group having 1 to 4 carbon atoms, and at least one of R1 and R2 is hydrogen. Further, R3 represents an aryl group having 6 to 15 carbon atoms. R4 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms. R5 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms. R6 represents an aryl group having 6 to 15 carbon atoms. X1 represents an arylene group having 6 to 15 carbon atoms. General formula (1) is inserted.
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Page/Page column 95
(2008/06/13)
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- CARBAZOLE DERIVATIVE, AND LIGHT EMITTING ELEMENT MATERIAL, LIGHT EMITTING ELEMENT, AND ELECTRONIC APPLIANCE OBTAINED USING THE SAME
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An object is to provide a carbazole derivative that is useful as a raw material in manufacturing a light emitting element material having resistance to repetition of an oxidation reaction. The carbazole derivative is represented by General Formula (1) in the following. In General Formula (1), R1 represents any one selected from an alkyl group having 1 to 4 carbon atoms such as methyl, ethyl, and tert-butyl, and an aryl group having 1 to 12 carbon atoms such as phenyl, biphenyl, and naphthyl.
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Page/Page column 53-54
(2008/06/13)
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- Aromatic amine compound, and light emitting element, light emitting device, and electronic device using aromatic amine compound
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An object is to provide an aromatic amine compound with excellent heat resistance. Another object is to provide a light emitting element, a light emitting device, and an electronic device with excellent heat resistance. An aromatic amine compound represented by General Formula (1) is provided. The aromatic amine compound represented by General Formula (1) has a high glass transition point and excellent heat resistance. By using the aromatic amine compound represented by General Formula (1) for a light emitting element, a light emitting device, and an electronic device, a light emitting element, a light emitting device, and an electronic device with excellent heat resistance can be obtained.
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Page/Page column 111
(2008/06/13)
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- Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative
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An oxadiazole derivative represented by the following general formula (G1) is synthesized and applied to the light emitting element, wherein Am is a substituent represented by a general formula (Am1), (Am2), or (Am3); each of α, β1, and β2 represents an arylene group having 6 to 25 carbon atoms; each of Ar1 to Ar6 represents an aryl group having 6 to 25 carbon atoms; each of R1 to R3 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms; and R4 represents an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms.
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Page/Page column 78
(2008/06/13)
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- SPIROFLUORENE DERIVATIVE, MATERIAL FOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE
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It is an object of the present invention to provide a material having a high Tg and a wide energy gap. The present invention provides a spirofluorene derivative represented by General Formula 1. (In the formula, R1 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a group represented by General Formula 2. Each of R2 and R3 is either hydrogen or an alkyl group having 1 to 4 carbon atoms and may be identical or different. R4 is an aryl group having 6 to 15 carbon atoms. Each of R5 and R6 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms and may be identical or different.)
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Page/Page column 115-116
(2008/06/13)
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- CARBAZOLE DERIVATIVE, MATERIAL FOR LIGHT EMITTING ELEMENT, LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AND ELECTRONIC DEVICE
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An object of the present invention is to provide a carbazole derivative which is useful in manufacturing a substance having resistance to oxidation. Another object is to provide a carbazole derivative which is useful in manufacturing a novel material with high reliability. Still another object is to provide a material for a light emitting element with high reliability. The present invention is a carbazole derivative represented by the following general formula (1) (where each of Ar1 and Ar2 represents an aryl group having 6 to 14 carbon atoms which may include a substitute, Ar1 and Ar2 may be either the same or different, and R in the formula represents hydrogen or an alkyl group having 1 to 4 carbon atoms). In addition, the present invention is a material for a light emitting element which includes a carbazole derivative represented by the following general formula (1) as a substituent.
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Page/Page column 59-60
(2010/11/26)
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- ANTHRACENE DERIVATIVE
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It is an object of the present invention to provide a novel material which has excellent light-emitting efficiency, a light-emitting element provided with the novel material, and a light-emitting device using the light-emitting element. The present invention provides an anthracene derivative represented by the following general formula (1).
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Page/Page column 61
(2010/11/26)
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- ANTHRACENE DERIVATIVE, MATERIAL FOR LIGHT EMITTING ELEMENT, LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AND ELECTRONIC DEVICE
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It is an object of the present invention to provide a novel material capable of realizing excellent color purity of blue, and a light emitting element and a light emitting device using the novel material. Further, it is an object of the present invention to provide which is highly reliable, and a light emitting element and a light emitting device using the novel material. The structure for solving the above problems in accordance with the present invention is an anthracene derivative simultaneously having a diphenylanthracene structure and a carbazole skeleton in a molecule as represented by structural formula (1).
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Page/Page column 61
(2008/06/13)
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