- COMPOSITE MATERIAL, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE
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A composite material including an organic compound and an inorganic compound and having a high carrier-transport property is provided. A composite material having a high carrier-injection property to an organic compound is provided. A composite material in which light absorption due to charge transfer interaction is unlikely to occur is provided. A light-emitting element having high emission efficiency is provided by including the composite material. A light-emitting element having a low drive voltage is provided. A light-emitting element having a long lifetime is provided. A composite material including a heterocyclic compound having a dibenzothiophene skeleton or a dibenzofuran skeleton and an inorganic compound exhibiting an electron-accepting property with respect to the heterocyclic compound is provided.
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Page/Page column 115; 116
(2017/06/27)
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- Composite Material, Light-Emitting Element, Light-Emitting Device, Lighting Device, Electronic Device, and Fluorene Derivative
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Provided is a composite material which makes it possible to provide a light-emitting element having at least one of the following characteristics by applying the composite material to the light-emitting element: low voltage driving, high emission efficien
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- Carbazole Compound, Light-Emitting Element Material, Organic Semiconductor Material, Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device
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A carbazole compound in which the 2-position of a dibenzofuran skeleton or a dibenzothiophene skeleton is bonded to the 3-position of a carbazole skeleton and nitrogen of the carbazolyl group is bonded to the 9- or 10-position of an anthracene skeleton di
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- Fluorene Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, Lighting Device, and Organic Compound
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A substance having a hole-transport property and a wide band gap is provided. A fluorene compound represented by a general formula (G1) is provided. In the general formula (G1), α1 and α2 separately represent a substituted or unsubst
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- Carbazole Derivative, Light-Emitting Element Material and Organic Semiconductor Material
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An object is to provide a novel carbazole derivative that has an excellent carrier-transport property and can be suitably used for a transport layer or as a host material of a light-emitting element. Another object is to provide an organic semiconductor material and a light-emitting element material each using the carbazole derivative. As the carbazole derivative that can achieve the above objects, a carbazole derivative in which a carbazolyl group whose either 2- or 3-position of carbazole is substituted by the 4-position of a dibenzothiophene skeleton or a dibenzofuran skeleton is bonded to aromatic hydrocarbon that has 14 to 70 carbon atoms and includes a condensed tricyclic ring, a condensed tetracyclic ring, a condensed pentacyclic ring, a condensed hexacyclic ring, or a condensed heptacyclic ring has been able to be synthesized.
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- Benzo[b]Naphtho[1,2-d]Furan Compound as Light-Emitting Element Material
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Provided is a benzo[b]naphtho[1,2-d]furan compound having a wide band gap which gives excellent color purity of blue. Further provided are a light-emitting element, a light-emitting device, and an electronic device each of which uses the benzo[b]naphtho[1,2-d]furan compound and is highly reliable. A benzo[b]naphtho[1,2-d]furan compound represented by a general formula (G1) is provided. In the general formula (G1), An represents an anthryl group represented by a general formula (An-1) or (An-2) below, α1 and α2 separately represent a substituted or unsubstituted phenylene group represented by any one of general formulae (α-1) to (α-3) below, and R1 to R9 separately represent either hydrogen or an alkyl group having 1 to 4 carbon atoms. Further, in the general formula (G1), n and m separately represent 0 or 1.
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Page/Page column 44-45
(2012/07/13)
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- Fluorene compound, light-emitting element, light-emitting device, electronic device and lighting device
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A substance having a hole-transport property and a wide band gap is provided. A fluorene compound represented by a general formula (G1) is provided. In the general formula (G1), α1 and α2 separately represent a substituted or unsubst
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Page/Page column 77-78
(2012/03/27)
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- Fluorene Derivative, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device
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An object is to provide a new fluorene derivative as a good light-emitting material for organic EL elements. A fluorene derivative represented by General Formula (G1) is provided. In the formula, R1 to R8 separately represent a hydro
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- Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
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Provided are a heterocyclic compound which emits blue light and is represented by General Formula (G1) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device which are formed using the heterocyclic compound represented by General Formula (G1) below. The use of the heterocyclic compound represented by General Formula (G1) makes it possible to provide a light-emitting element which has high emission efficiency, and also a light-emitting device, an electronic device and a lighting device which have reduced power consumption.
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