Patent application number | Description | Published |
20090102374 | POLYMER, ELECTROLUMINESCENT DEVICE, AND LIGHT EMITTING DEVICE - A novel electroluminescent polymer is represented by the following formula. A film of the polymer represented by the following formula can be formed by electrolytic polymerization, and farther emits light in a different color by an electric field when a substituent thereof is changed. Therefore, a light-emitting device that is capable of multicolor displaying can be easily obtained. | 04-23-2009 |
20090259008 | Vinyl Monomer And Polymer Derived From The Monomer, And Light Emitting Device Using The Polymer - It is an object of the present invention to provide a polymer that is soluble in an organic solvent with a low polarity and has a high hole injecting property without adding a dopant for enhancing a hole injecting property. For that object, the present invention provides a vinyl monomer represented by the following general formula (1). In the formula, X represents any one of an oxygen atom (O) and a sulfur atom (S). Y represents any one of a hydrogen atom, an alkyl group, aryl group, a silyl group having an alkyl group or an aryl group as a substituent. | 10-15-2009 |
20110227051 | COMPOSITE MATERIAL, MATERIAL FOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE AND ELECTRONIC DEVICE - The present invention provides a composite material for a light-emitting element including a high molecular compound having an arylamine skeleton and an inorganic compound showing an electron accepting property to the high molecular compound. The absorption spectrum of the composite material is different from absorption spectra of the high molecular compound and the inorganic compound which each form the composite material. In other words, a composite material having an absorption peak in a wavelength which is seen in the absorption spectra of neither the high molecular compound nor the inorganic compound forming the composite material is superior in carrier transporting and injecting properties and a favorable material. In addition, the composite material can be formed by a wet method such as a sol-gel method, it can be apply to the increase of substrate size easily in a manufacturing process and advantageous industrially. | 09-22-2011 |
20120061651 | Heterocyclic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device - A substance having a hole-transport, property and a wide band gap is provided. A heterocyclic compound represented by a general formula (G1) is provided. In the formula, α | 03-15-2012 |
20120061714 | Fluorene Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, Lighting Device, and Organic Compound - 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), α | 03-15-2012 |
20120077987 | ORGANIC COMPOUND, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - A novel substance with which an increase in life and emission efficiency of a light-emitting element can be achieved is provided. A carbazole compound having a structure represented by General Formula (G1) is provided. Note that a substituent which makes the HOMO level and the LUMO level of a compound in which a bond of the substituent is substituted with hydrogen deep and shallow, respectively is used as each of substituents in General Formula (G1) (R | 03-29-2012 |
20120080667 | COMPOSITE MATERIAL, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - 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. | 04-05-2012 |
20120241727 | COMPOSITE MATERIAL, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring. | 09-27-2012 |
20130075704 | HETEROCYCLIC COMPOUND, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, LIGHTING DEVICE, AND ORGANIC COMPOUND - Provided is a novel heterocyclic compound which can be used in a light-emitting layer of a light-emitting element as a host material in which a light-emitting material is dispersed, i.e., a heterocyclic compound represented by a general formula (G1). Any one of R | 03-28-2013 |
20130075705 | Carbazole Compound, Light-Emitting Element Material, and Organic Semiconductor Material - A carbazole compound which can be used for a transport layer or as a host material or a light-emitting material of a light-emitting element is provided. Specifically, a carbazole compound which makes it possible to obtain a light-emitting element having good characteristics when used in a light-emitting element emitting blue phosphorescence is provided. In the carbazole compound, the 9-position of one carbazole, the 9-position of the other carbazole, and the 1-position of a benzimidazole skeleton are bonded to the 1-position, the 3-position, and the 5-position of benzene. | 03-28-2013 |
20130277652 | Composite Material Including Organic Compound and Inorganic Compound, Light-Emitting Element and Light-Emitting Device Using the Composite Compound, and Manufacturing Method of the Light-Emitting Element - The present invention provides a composite material having high conductivity, a light-emitting element and a light-emitting device using the composite material. Further, the present invention provides a manufacturing method of a light-emitting element which is suitable for mass production. A light-emitting element of the present invention includes a layer including a luminescent substance between a pair of electrodes. The layer including a luminescent substance has a composite material which includes an organic compound, and an inorganic compound showing an electron donating property to the organic compound. Since the light-emitting element of the present invention includes a composite material made by combining an organic compound and an inorganic compound, the carrier injecting property, carrier transporting property, and conductivity thereof are excellent, and thus, the driving voltage can be reduced. | 10-24-2013 |
20140066633 | ORGANIC COMPOUND, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - A novel substance with which an increase in life and emission efficiency of a light-emitting element can be achieved is provided. A carbazole compound having a structure represented by General Formula (G1) is provided. Note that a substituent which makes the HOMO level and the LUMO level of a compound in which a bond of the substituent is substituted with hydrogen deep and shallow, respectively is used as each of substituents in General Formula (G1) (R | 03-06-2014 |
20140084273 | Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device - A light-emitting element emitting phosphorescence and having high emission efficiency, in which a property of injecting holes to a light-emitting layer is increased, is provided. The light-emitting layer of the light-emitting element includes a first organic compound represented by the following general formula (G1) and a second organic compound which is a phosphorescent compound. The difference between the HOMO level of the first organic compound and the HOMO level of the second organic compound is lower than or equal to 0.3 eV. | 03-27-2014 |
20140299861 | Heterocyclic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device - A substance having a hole-transport property and a wide band gap is provided. A heterocyclic compound represented by a general formula (G1) is provided. In the formula, α | 10-09-2014 |