Patent application number | Description | Published |
20080286445 | COMPOSITION, AND METHOD OF FABRICATING LIGHT-EMITTING ELEMENT - Objects of the present invention are to provide a composition in which an anthracene derivative is dissolved and a technique in which a thin film with favorable properties is formed using the composition by a wet process. Another object of the present invention is to fabricate a highly reliable light-emitting element using the composition at low cost and high productivity. The present invention provides a composition containing a solvent and an anthracene derivative represented by a general formula (1). By use of this composition, a thin film with favorable properties can be formed by a wet process. Accordingly, by use of such a thin film, a highly reliable light-emitting element can be fabricated. | 11-20-2008 |
20090096364 | Display Device and Method for Manufacturing Display Device - To provide a display device with higher image quality and reliability or a large-sized display device with a large screen at low cost with high productivity. A function layer (such as a coloring layer or a pixel electrode layer) used in the display device is formed by discharging a liquid function-layer-forming material to an opening formed with a layer including a first organic compound which has a C—N bond or a C—O bond in the main chain as a base and a layer including a second organic compound as a partition. The fluorine density exhibiting liquid repellency to the liquid function-layer-forming material, which is attached to a surface of the layers including organic compounds, is controlled, whereby a liquid repellent region and a lyophilic region can be selectively formed. | 04-16-2009 |
20090140641 | Quinoxaline Derivative and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Quinoxaline Derivative - An object is to provide a novel quinoxaline derivative. Another object is to provide a light-emitting element with low driving voltage. Another object is to provide a light-emitting element with low power consumption. Another object is to provide a light-emitting device and an electronic device with low power consumption by using such a light-emitting element. A quinoxaline derivative which has a structure in which at least one of carbon at a 2-position and carbon at a 3-position of quinoxaline, and carbon of 1,3,4-oxadiazole ring are bound via an arylene group is provided. | 06-04-2009 |
20090140642 | Quinoxaline Derivative, and Light-Emitting Element and Electronic Device Using the Same - An object is to provide a novel quinoxaline derivative. Another object is to provide a light-emitting element with low driving voltage and less power consumption. Further, another object is to provide a light-emitting device and an electronic device each consuming less power by using the light-emitting element. A quinoxaline derivative represented by a general formula (G11) is provided, in which at least one of carbon at a 2-position and carbon at a 3-position, and carbon at a 2-position of benzoxazole are bound via an arylene group. | 06-04-2009 |
20090140644 | Quinoxaline Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using the Same - The present invention provides a quinoxaline derivative rerpesented by a general formula (G1). In the formula, α | 06-04-2009 |
20090153041 | Quinoxaline Derivative, and Light Emitting Element, Light Emitting Device and Electronic Appliance Using the Same - A quinoxaline-based, new bipolar organic compound is provided, and a light emitting element using the quinoxaline-based compound is demonstrated. The quinoxaline derivative of the invention has a structure in which carbon at one or both of the 2-position and the 3-position of the quinoxaline unit are bonded, via an arylene group, with an amine unit which has a substituted or unsubstituted five-membered ring or a substituted or unsubstituted condensed ring containing a five-membered ring structure. The quinoxaline-based compound was proven to possess bipolar characteristics in view of carrier transportation, which allows the fabrication of a light emitting element and an electronic appliance with a low driving voltage and low power consumption. | 06-18-2009 |
20090160323 | Carbazole Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Carbazole Derivative - To provide a light-emitting element having high luminous efficiency and to provide a light-emitting device and an electronic device which consumes low power and is driven at low voltage, a carbazole derivative represented by the general formula (1) is provided. In the formula, α | 06-25-2009 |
20090160324 | Triazole Derivative, Light-Emitting Element, Light-Emitting Device, and Electronic Device - A substance having high excitation energy is provided. In particular, a substance having high triplet excitation energy is provided. Further, a light-emitting element, a light-emitting device, and an electronic device each having high emission efficiency and low driving voltage are provided. A triazole derivative to which an amino group is bonded is provided. In addition, a light-emitting element, a light-emitting device, and an electronic device each including the triazole derivative to which the amino group is bonded are provided. | 06-25-2009 |
20090174321 | ANTHRACENE DERIVATIVE, AND LIGHT-EMITTING MATERIAL, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE USING THE SAME - 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. | 07-09-2009 |
20090184633 | Quinoxaline Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Appliance Using the Quinoxaline Derivative - An object is to provide a novel quinoxaline derivative, a light-emitting element with low driving voltage, and a light-emitting element which consumes low power. Another object is to provide a light-emitting device and an electronic appliance which consume low power by using the above light-emitting element. A quinoxaline derivative represented by a general formula (G11) is provided, in which at least one of carbon at a 2-position and carbon at a 3-position of quinoxaline, and carbon at a 2-position of a 1H-benzimidazole ring are bonded to each other via an arylene group. | 07-23-2009 |
20090203704 | Quinoxaline Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Quinoxaline Derivative - An object is to provide a novel quinoxaline derivative. Another object is to provide a light-emitting element with low driving voltage. Still another object is to provide a light-emitting element with low power consumption. Yet another object is to provide a light-emitting device and an electronic device each having low power consumption by using such a light-emitting element. A quinoxaline derivative is provided which has a structure in which at least one of carbon at a 2-position and carbon at a 3-position of quinoxaline, and carbon of a pyridine ring are bound via an arylene group. | 08-13-2009 |
20090247795 | Method of Synthesizing 9-Aryl-10-Iodoanthracene Derivative and Light-Emitting Material - 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. | 10-01-2009 |
20090253916 | Anthracene Derivative, Light-Emitting Material, Material for Light-Emitting Element, Composition for Coating, Light-Emitting Element, Light-Emitting Device, and Electronic Appliance - A novel anthracene derivative with a large energy gap is provided. An anthracene derivative represented by General Formula (G1) below is provided. In the formula, Ar | 10-08-2009 |
20090267497 | Anthracene Derivative, Light-Emitting Material, Material for Light-Emitting Element, Composition for Coating, Light-Emitting Element, Light-Emitting Device, and Electronic Device - An anthracene derivative represented by the general formula (G1) is provided. The anthracene derivative represented by the general formula (G1) is a novel anthracene derivative having a wide band gap. Further, the anthracene derivative has a large energy gap and can be very suitably used as a material for a light-emitting element which exhibits blue light emission. | 10-29-2009 |
20090267498 | Anthracene Derivative, Light-Emitting Element, Light-Emitting Device, and Electronic Appliance - Novel anthracene derivatives are provided. Further, a light-emitting element, a light-emitting device, and an electronic appliance each using the novel anthracene derivative are provided. Anthracene derivatives represented by general formulae (G11) and (G21) are provided. The anthracene derivatives represented by the general formulae (G11) and (G21) each emit blue light with high color purity and have a carrier-transporting property. Therefore, each of the anthracene derivatives represented by the general formulae (G11) and (G21) is suitable for use in a light-emitting element, a light-emitting device, and an electronic appliance. | 10-29-2009 |
20090284142 | Organic Compound, Benzoxazole Derivative, and Light-Emitting Element, light-Emitting Device, and Electronic Device Using the Benzoxazole Derivative - Novel benzoxazole derivatives are provided to reduce driving voltage of light-emitting elements, and to reduce power consumption of light-emitting elements, light-emitting devices, and electronic devices. A benzoxazole derivative represented by the general formula (G1) is provided. Since the benzoxazole derivative represented by the general formula (G1) has an electron-injecting property, the benzoxazole derivative can be suitably used for light-emitting elements, light-emitting devices, and electronic devices. | 11-19-2009 |
20090284143 | Aromatic Amine Compound, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Aromatic Amine Compound - Novel aromatic amine compounds are provided. Light-emitting elements having high emission efficiency and high reliability are provided. Further, light-emitting devices and electronic devices using the light-emitting devices are provided. Specifically, an aromatic amine compound represented by the general formula (1), and light-emitting elements, light-emitting devices and electronic devices that are formed using the aromatic amine compound represented by the general formula (1) are provided. By using the aromatic amine compound represented by the general formula (1) for light-emitting elements, light-emitting devices and electronic devices, the light-emitting elements, light-emitting devices and electronic devices can have high emission efficiency. | 11-19-2009 |
20090286985 | Benzoxazole Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using the Same - An object is to provide a novel benzoxazole derivative. Another object is to reduce driving voltage of a light-emitting element. Still another object is to reduce power consumption of a light-emitting element, a light-emitting device, and an electronic device. A benzoxazole derivative represented by General Formula (G1) is provided. The benzoxazole derivative represented by General Formula (G1) has an electron-injecting property and an electron-transporting property; accordingly, it can be favorably used for a light-emitting element, a light-emitting device, and an electronic device. | 11-19-2009 |
20090317539 | Composition, Method for Manufacturing Thin Film, and Method for Manufacturing Light-Emitting Element - 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. | 12-24-2009 |
20100051926 | Anthracene Derivative, Material for Light-Emitting Element, Light-Emitting Element, Light-Emitting Device, and Electronic Appliance - An anthracene derivative represented by general formula (1) is provided. In the formula, Ar | 03-04-2010 |
20100060154 | Benzoxazole Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Benzoxazole Derivative - Disclosed is a novel benzoxazole derivative which has high excitation energy, particularly high triplet excitation energy, and is a bipolar substance. A benzoxazole derivative represented by the following General Formula (G1) is provided. | 03-11-2010 |
20100060155 | Organic Semiconductor Material and Light-Emitting Element, Light-Emitting Device, Lighting System, and Electronic Device Using the Same - Disclosed is a novel organic semiconductor material which has a twisted quaterphenylene skeleton as a central unit and simultaneously possesses a skeleton having an electron-transporting property and a skeleton having a hole-transporting property at the terminals of the quaterphenylene skeleton. Specifically, the organic semiconductor material has a [1,1′:2′,1″:2″,1′″]quaterphenyl-4-4′″-diyl group, and one of the terminals of the [1,1′:2′,1″:2″,1′″]quaterphenyl-4-4′″-diyl group is bonded to a skeleton having an electron-transporting property such as a benzoxazole group or an oxadiazole group. A skeleton having a hole-transporting property such as diarylamino group is introduced at the other terminal. This structure allows the formation of a compound having a bipolar property, a high molecular weight, an excellent thermal stability, a large band gap, and high triplet excitation energy. | 03-11-2010 |
20100069647 | Carbazole Derivative, Light-Emitting Element Material, Light-Emitting Element, and Light-Emitting Device - An object is to provide a carbazole derivative which has a wide band gap and with which excellent blue color purity is obtained. In addition, another object is to provide highly reliable light-emitting elements, light-emitting devices, lighting devices, and electronic devices in which the carbazole derivative is used. Carbazole derivatives represented by the general formulas (1), (P1), and (M1) are provided. Further, light-emitting elements, light-emitting devices, and electronic devices which are formed using the carbazole derivative represented any of the general formulas (1), (P1), and (M1) are provided. | 03-18-2010 |
20100076201 | Carbazole Derivative and Method for Producing the Same - To provide a method for producing a wide variety of carbazole derivatives which have a simple and uncomplicated process and in which variations in the yield, purity, etc. of a desired substance which are caused by an aryl group introduced is reduced as much as possible. A method for producing a carbazole derivative represented by General Formula (1) is provided, in which 9-[4-(10-phenyl-9-anthryl)phenyl]-9H-carbazole having an active site at the 3-position of the carbazole skeleton and an aromatic compound having an active site are coupled. | 03-25-2010 |
20100079066 | Triazole Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Triazole Derivative - A novel triazole derivative which has a large energy gap and can be used for electron-transporting layer of a light-emitting element or as a host material. In addition, a light-emitting element which has higher emission efficiency by using the novel triazole derivative. Furthermore, a low power consumption light-emitting device and electronic device. | 04-01-2010 |
20100096981 | MATERIAL FOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - A material for a light-emitting element is represented by a general formula (G1). In the general formula (G1), Ar | 04-22-2010 |
20100099890 | ANTHRACENE DERIVATIVE AND LIGHT-EMITTING DEVICES, ELECTRONIC DEVICES, AND LIGHTING DEVICE USING THE ANTHRACENE DERIVATIVE - 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. | 04-22-2010 |
20100156957 | ORGANIC COMPOUND, ANTHRACENE DERIVATIVE, AND LIGHT-EMITTING ELEMENTS, LIGHT-EMITTING DEVICES, ELECTRONIC DEVICES, AND LIGHTING DEVICES USING THE ANTHRACENE DERIVATIVE - 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). | 06-24-2010 |
20100207517 | Oxadiazole Derivative, and Light-Emitting Element and Light-Emitting Device Using Oxadiazole Derivative - An object is to provide a novel oxadiazole derivative that has high excitation energy, particularly high triplet excitation energy, or to provide a new oxadiazole derivative that is a bipolar substance. An oxadiazole derivative represented by General Formula (G1) is provided. In the formula, R | 08-19-2010 |
20100237339 | Carbazole Derivative with Heteroaromatic Ring, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Carbazole Derivative with Heteroaromatic Ring - Disclosed is a carbazole derivative and a light-emitting element, a light-emitting device, and an electronic device using thereof. The carbazole derivative possesses an oxadiazole moiety or a quinoxaline moiety as a heteroaromatic ring having an electron-transporting property and a carbazole moiety having a hole-transporting property. The ability of the carbazole derivative to transport both electrons and holes and its large excitation energy larger than a triplet excitation energy of a phosphorescent compound allow the formation of a phosphorescent light-emitting element having well-controlled carrier balance, which contributes to the formation of light-emitting devices and electronic devices that are capable of being driven at a low voltage, have a long lifetime, and consume low power. The detailed structure of the carbazole derivative is defined in the specification. | 09-23-2010 |
20100237773 | Carbazole Derivative with Heteroaromatic Ring, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Carbazole Derivative with Heteroaromatic Ring - Disclosed is a carbazole derivative and a light-emitting element, a light-emitting device, and an electronic device using thereof. The carbazole derivative possesses an oxadiazole moiety or a quinoxaline moiety as a heteroaromatic ring having an electron-transporting property and a carbazole moiety having a hole-transporting property. The ability of the carbazole derivative to transport both electrons and holes and its large excitation energy larger than a triplet excitation energy of a phosphorescent compound allow the formation of a phosphorescent light-emitting element having well-controlled carrier balance, which contributes to the formation of light-emitting devices and electronic devices that are capable of being driven at a low voltage, have a long lifetime, and consume low power. The detailed structure of the carbazole derivative is defined in the specification. | 09-23-2010 |
20100240902 | Oxadiazole Derivative, Light-Emitting Element Material, Light-Emitting Element, Light-Emitting Device, and Electronic Device - An object is to provide a novel material having a bipolar property. Another object is to provide an oxadiazole derivative having a wide band gap. Another object is to reduce power consumption of a light-emitting element, a light-emitting device, and an electronic device. The present invention provides an oxadiazole derivative represented by General Formula (1). In the formula, Ar | 09-23-2010 |
20100243959 | Derivative With Heteroaromatic Ring, and Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device Using Derivative With Heteroaromatic Ring - A derivative with a heteroaromatic ring represented by General Formula (G1) is provided. R | 09-30-2010 |
20100244669 | OXADIAZOLE DERIVATIVE, LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, LIGHTING DEVICE, AND ELECTRONIC DEVICE - Provided is a bipolar substance having high excitation energy, in particular, high triplet-excitation energy. An oxadiazole derivative represented by General Formula (G1) below is provided | 09-30-2010 |
20100244670 | Heterocyclic Compound and Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device Using the Same - To provide a novel heterocyclic compound having a bipolar property. To improve element characteristics of a light-emitting element by application of the novel heterocyclic compound to the light-emitting element. A heterocyclic compound represented by a general formula (G1) and a light-emitting element formed using the heterocyclic compound represented by the general formula (G1) are provided. When the heterocyclic compound represented by the general formula (G1) is used for the light-emitting element, the characteristics of the light-emitting element can be improved. | 09-30-2010 |
20100244671 | Quinoxaline Derivative, and Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device Using Quinoxaline Derivative - A quinoxaline derivative represented by General Formula (G1) is provided. The quinoxaline derivative is bipolar and has excellent electron-transporting and hole-transporting properties. Also, the quinoxaline derivative has a high glass transition temperature and excellent thermal stability. By using the quinoxaline derivative, a light-emitting element and a light-emitting device with high efficiency can be obtained. | 09-30-2010 |
20100244672 | Heterocyclic Compound, and Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Appliance Using Heterocyclic Compound - An object is to provide a novel heterocyclic compound having a bipolar property. Another object is to provide a light-emitting element, a light-emitting device, and an electronic appliance each having high emission efficiency. A heterocyclic compound represented by a general formula (G1), a light-emitting element, a light-emitting device, and an electronic appliance each formed using the heterocyclic compound represented by the general formula (G1) are provided. By use of the heterocyclic compound represented by the general formula (G1) to a light-emitting element, a light-emitting device, and an electronic appliance, the light-emitting element, the light-emitting device, and the electronic appliance can each have high emission efficiency. | 09-30-2010 |
20100244673 | Oxadiazole Derivative, and Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device Using Oxadiazole Derivative - An object is to provide a novel oxadiazole derivative represented by General Formula (G1) as a substance having a high electron-transport property. In the formula, Ar | 09-30-2010 |
20100244674 | Triazole Derivative, and Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device Using Triazole Derivative - An object is to provide a novel triazole derivative having a bipolar property. Another object is to provide a light-emitting element, a light-emitting device, and an electronic device each having high emission efficiency. A triazole derivative represented by a general formula (G1), a light-emitting element, a light-emitting device, and an electronic device each formed using the triazole derivative represented by the general formula (G1) are provided. By use of the triazole derivative represented by the general formula (G1) for the light-emitting element, the light-emitting device, and the electronic device, the light-emitting element, the light-emitting device, and the electronic device each having high emission efficiency can be provided. | 09-30-2010 |
20100301744 | FLUORENE DERIVATIVE, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - An object is to provide a light-emitting element having high light-emission efficiency by provision of a novel fluorene derivative as represented by General Formula (G1) below. | 12-02-2010 |
20110284797 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - An object is to provide a liquid crystal composition which exhibits a blue phase in a wide temperature range. Another object is to provide a liquid crystal composition which exhibits a blue phase, with which high contrast can be provided, in a liquid crystal display device. A liquid crystal composition which exhibits a blue phase includes: a nematic liquid crystal including a compound represented by a structural formula (100) (PPEP-5FCNF (abbreviation)); and a chiral agent. In a liquid crystal display device, a liquid crystal layer is formed using the liquid crystal composition including a nematic liquid crystal including a compound represented by a structural formula (100) (PPEP-5FCNF (abbreviation)) and a chiral agent, and the liquid crystal composition exhibits a blue phase. | 11-24-2011 |
20110284835 | Quinoxaline Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using the Same - The present invention provides a quinoxaline derivative represented by a general formula (G1). In the formula, α | 11-24-2011 |
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 |
20120071668 | Carbazole Derivative, Light-Emitting Element Material and Organic Semiconductor Material - 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. | 03-22-2012 |
20120074390 | Light-Emitting Element and Electronic Device - An object is to provide a light-emitting element with high emission efficiency which includes a novel carbazole derivative that has a wide energy gap and can be used for a transport layer or a host material in a light-emitting element. A carbazole derivative in which the 4-position of dibenzothiophene or dibenzofuran is bonded to the 2- or 3-position of carbazole has been able to be provided by use of the carbazole derivative. Further, a light-emitting element having high emission efficiency has been able to be provided by use of the carbazole derivative. | 03-29-2012 |
20120091444 | Display Device and Method for Manufacturing Display Device - To provide a display device with higher image quality and reliability or a large-sized display device with a large screen at low cost with high productivity. A function layer (such as a coloring layer or a pixel electrode layer) used in the display device is formed by discharging a liquid function-layer-forming material to an opening formed with a layer including a first organic compound which has a C—N bond or a C—O bond in the main chain as a base and a layer including a second organic compound as a partition. The fluorine density exhibiting liquid repellency to the liquid function-layer-forming material, which is attached to a surface of the layers including organic compounds, is controlled, whereby a liquid repellent region and a lyophilic region can be selectively formed. | 04-19-2012 |
20120104376 | Benzoxazole Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Benzoxazole Derivative - Disclosed is a novel benzoxazole derivative which has high excitation energy, particularly high triplet excitation energy, and is a bipolar substance. A benzoxazole derivative represented by the following General Formula (G1) is provided. | 05-03-2012 |
20120132855 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal composition exhibiting a blue phase, which enables higher contrast, and a liquid crystal display device including the liquid crystal composition. The liquid crystal composition contains a chiral agent and liquid crystal containing a compound having three electron-withdrawing groups as end groups of a structure where a plurality of rings including at least one aromatic ring is linked to each other directly or with a linking group laid therebetween. The peak of the diffracted wavelength on the longest wavelength side in the reflectance spectrum of the liquid crystal composition is less than or equal to 450 nm, preferably less than or equal to 420 nm. Further, a liquid crystal display device can be provided using the liquid crystal composition. | 05-31-2012 |
20120133274 | Carbazole Compound, Light-Emitting Element Material, Organic Semiconductor Material, Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device - An object is to provide a novel carbazole compound that can be used for a transport layer, a host material, or a light-emitting material in a light-emitting element. A carbazole compound where nitrogen of a carbazole group, the carbazole skeleton of which whose 3-position is bonded to the 4-position of a dibenzofuran skeleton or a dibenzothiophene skeleton, is bonded to a benzimidazole skeleton through a phenylene group, is provided. The carbazole compound has a high carrier-transport property, and can be suitably used for a material for a light-emitting element or for an organic semiconductor material. | 05-31-2012 |
20120138853 | LIQUID CRYSTAL COMPOSITION, POLYMER/LIQUID CRYSTAL COMPOSITE, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition for forming a polymer/liquid crystal composite in which disorder of an orientation state is reduced is provided. The liquid crystal composition includes a liquid crystal material exhibiting a blue phase and a liquid crystalline monomer represented by the following general formula (G1). Note that the liquid crystal composition may include a non-liquid-crystalline monomer and a polymerization initiator. In the general formula (G1), X represents a mesogenic skeleton; and Y | 06-07-2012 |
20120165550 | Organoboron Compound and Method for Manufacturing the Same - To provide a novel organoboron compound which is useful as a reactant of organic synthesis. To provide a method for manufacturing the organoboron compound. A novel organoboron compound represented by General Formula (G1) below is provided. Note that in General Formula (G1), R | 06-28-2012 |
20120178933 | Organic Compound, Benzoxazole Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Benzoxazole Derivative - Novel benzoxazole derivatives are provided to reduce driving voltage of light-emitting elements, and to reduce power consumption of light-emitting elements, light-emitting devices, and electronic devices. A benzoxazole derivative represented by the general formula (G1) is provided. Since the benzoxazole derivative represented by the general formula (G1) has an electron-injecting property, the benzoxazole derivative can be suitably used for light-emitting elements, light-emitting devices, and electronic devices. | 07-12-2012 |
20120194775 | LIQUID CRYSTALLINE COMPOUND, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - A novel liquid crystalline compound and/or a liquid crystal composition including the novel liquid crystalline compound that can be used for a variety of liquid crystal devices capable of exhibiting a blue phase with a wide temperature range are/is provided. A liquid crystalline compound represented by the general formula (G1) is provided. In the general formula (G1), n is an integer of 2 to 10 | 08-02-2012 |
20120199818 | TRIAZOLE DERIVATIVE, AND LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE WITH THE USE OF TRIAZOLE DERIVATIVE - It is an object of the present invention to provide a novel triazole derivative. Further, it is another object of the present invention to provide a light-emitting element having high luminous efficiency with the use of the novel triazole derivative. Moreover, it is still another object of the present invention to provide a light-emitting device and electronic devices which have low power consumption. A light-emitting element having high luminous efficiency can be manufactured with the use of a triazole derivative which is a 1,2,4-triazole derivative, in which an aryl group or a heteroaryl group is bonded to each of 3-position, 4-position, and 5-position, and in which any one of the aryl group or heteroaryl group has a 9H-carbazol-9-yl group. | 08-09-2012 |
20120241728 | Anthracene Derivative, Light-Emitting Material, Material for Light-Emitting Element, Composition for Coating, Light-Emitting Element, Light-Emitting Device, and Electronic Device - An anthracene derivative represented by the general formula (G1) is provided. The anthracene derivative represented by the general formula (G1) is a novel anthracene derivative having a wide band gap. Further, the anthracene derivative has a large energy gap and can be very suitably used as a material for a light-emitting element which exhibits blue light emission. | 09-27-2012 |
20120286198 | LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - An object is to provide a novel liquid crystal composition that can be used for a variety of liquid crystal devices. Particularly, a novel liquid crystal composition is used to achieve a reduction in driving voltage of a liquid crystal element and a reduction in power consumption of a liquid crystal display device. The liquid crystal composition includes a polymerizable monomer represented by the general formula (G1), a nematic liquid crystal, and a chiral agent. In the general formula (G1), n and m are individually an integer from 1 to 20, and R | 11-15-2012 |
20120286201 | POLYMERIZABLE MONOMER COMPUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE - A novel polymerizable monomer compound that can be used for a variety of liquid crystal devices is provided. Particularly, a novel liquid crystal composition including the novel polymerizable monomer compound and exhibiting a blue phase is provided. Further, a liquid crystal display device manufactured with the use of the liquid crystal composition is provided. A polymerizable monomer compound represented by the following general formula (G1) is provided. In the general formula (G1), n and m are individually an integer from 1 to 20 and may be the same as or different from each other, and R | 11-15-2012 |
20120288620 | Composition, Method for Manufacturing Thin Film, and Method for Manufacturing Light-Emitting Element - 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. | 11-15-2012 |
20120289708 | Carbazole Compound, Light-Emitting Element Material, and Organic Semiconductor Material - A novel carbazole compound that can be used for a transport layer, a host material, or a light-emitting material in a light-emitting element. In the carbazole compound, two carbazole skeletons each include carbazole, the 3-position of which is bonded to the 4-position of a dibenzofuran skeleton or a dibenzothiophene skeleton and these two carbazole skeletons are linked via benzene or biphenyl. The carbazole compound has an excellent carrier-transport property and a wide energy gap and can be suitably used for a material in a light-emitting element or for an organic semiconductor material. | 11-15-2012 |
20120302751 | Carbazole Derivative with Heteroaromatic Ring, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Carbazole Derivative with Heteroaromatic Ring - Disclosed is a carbazole derivative and a light-emitting element, a light-emitting device, and an electronic device using thereof. The carbazole derivative possesses an oxadiazole moiety or a quinoxaline moiety as a heteroaromatic ring having an electron-transporting property and a carbazole moiety having a hole-transporting property. The ability of the carbazole derivative to transport both electrons and holes and its large excitation energy larger than a triplet excitation energy of a phosphorescent compound allow the formation of a phosphorescent light-emitting element having well-controlled carrier balance, which contributes to the formation of light-emitting devices and electronic devices that are capable of being driven at a low voltage, have a long lifetime, and consume low power. The detailed structure of the carbazole derivative is defined in the specification. | 11-29-2012 |
20120323015 | Oxadiazole Derivative, Light-Emitting Element Material, Light-Emitting Element, Light-Emitting Device, and Electronic Device - An object is to provide a novel material having a bipolar property. Another object is to provide an oxadiazole derivative having a wide band gap. Another object is to reduce power consumption of a light-emitting element, a light-emitting device, and an electronic device. The present invention provides an oxadiazole derivative represented by General Formula (1). In the formula, Ar | 12-20-2012 |
20130005067 | Anthracene Derivative, Material For Light Emitting Element, Light Emitting Element, Light Emitting Device, And Electronic Device - 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): | 01-03-2013 |
20130009094 | LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition including a dioxolane compound represented by the general formula (G1) as a chiral agent is provided. In the general formula (G1), R | 01-10-2013 |
20130020561 | Dibenzo[c,g]Carbazole Compound, Light-Emitting Element, Light-Emitting Device, Display Device, Lighting Device and Electronic Device - Provided is a novel compound which can be used for a transport layer or as a host material or a light-emitting material in a light-emitting element and with which a high-performance light-emitting element can be manufactured. A dibenzo[c,g]carbazole compound in which an aryl group having 14 to 30 carbon atoms and including at least anthracene is bonded to nitrogen of a dibenzo[c,g]carbazole derivative is synthesized. By use of the dibenzo[c,g]carbazole compound, a light-emitting element having very good characteristics can be obtained. | 01-24-2013 |
20130049577 | Quinoxaline Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using Quinoxaline Derivative - An object is to provide a novel quinoxaline derivative. Another object is to provide a light-emitting element with low driving voltage. Still another object is to provide a light-emitting element with low power consumption. Yet another object is to provide a light-emitting device and an electronic device each having low power consumption by using such a light-emitting element. A quinoxaline derivative is provided which has a structure in which at least one of carbon at a 2-position and carbon at a 3-position of quinoxaline, and carbon of a pyridine ring are bound via an arylene group. | 02-28-2013 |
20130076237 | Aromatic Amine Compound, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using the Aromatic Amine Compound - Novel aromatic amine compounds are provided. Light-emitting elements having high emission efficiency and high reliability are provided. Further, light-emitting devices and electronic devices using the light-emitting devices are provided. Specifically, an aromatic amine compound represented by the general formula (1), and light-emitting elements, light-emitting devices and electronic devices that are formed using the aromatic amine compound represented by the general formula (1) are provided. By using the aromatic amine compound represented by the general formula (1) for light-emitting elements, light-emitting devices and electronic devices, the light-emitting elements, light-emitting devices and electronic devices can have high emission efficiency. | 03-28-2013 |
20130087773 | Light-Emitting Element, Light-Emitting Device, Electronic Device, Lighting Device, and Pyrene-Based Compound - A highly efficient light-emitting element capable of providing a plurality of emission colors is provided, which does not easily deteriorate and can minimize a decrease in external quantum efficiency even when a light-emitting layer has a stacked structure. A light-emitting device, an electronic device, and a lighting device which have low power consumption and long lifetime are provided. A light-emitting element includes a plurality of light-emitting layers stacked between a pair of electrodes. The light-emitting layers each contain a host material and a guest material. The guest materials of the light-emitting layers are substances which have different HOMO levels but have substantially the same LUMO levels and emit light of different colors. A light-emitting device, an electronic device, and a lighting device are fabricated using the light-emitting element. | 04-11-2013 |
20130130061 | Heterocyclic Compound and Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device Using the Same - To provide a novel heterocyclic compound having a bipolar property. To improve element characteristics of a light-emitting element by application of the novel heterocyclic compound to the light-emitting element. A heterocyclic compound represented by a general formula (G1) and a light-emitting element formed using the heterocyclic compound represented by the general formula (G1) are provided. When the heterocyclic compound represented by the general formula (G1) is used for the light-emitting element, the characteristics of the light-emitting element can be improved. | 05-23-2013 |
20130228765 | CARBAZOLE DERIVATIVE, AND LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE USING THE CARBAZOLE DERIVATIVE - It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazole derivative represented by a general formula (1). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device. | 09-05-2013 |
20130261304 | Organic Compound, Benzoxazole Derivative, and Light-Emitting Element, Light-Emitting Device, and Electronic Device Using the Benzoxazole Derivative - Novel benzoxazole derivatives are provided to reduce driving voltage of light-emitting elements, and to reduce power consumption of light-emitting elements, light-emitting devices, and electronic devices. A benzoxazole derivative represented by the general formula (G1) is provided. Since the benzoxazole derivative represented by the general formula (G1) has an electron-injecting property, the benzoxazole derivative can be suitably used for light-emitting elements, light-emitting devices, and electronic devices. | 10-03-2013 |
20130344635 | Composition, Method for Manufacturing Thin Film, and Method for Manufacturing Light-Emitting Element - 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. | 12-26-2013 |
20140042420 | TRIAZOLE DERIVATIVE, AND LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE WITH THE USE OF TRIAZOLE DERIVATIVE - It is an object of the present invention to provide a novel triazole derivative. Further, it is another object of the present invention to provide a light-emitting element having high luminous efficiency with the use of the novel triazole derivative. Moreover, it is still another object of the present invention to provide a light-emitting device and electronic devices which have low power consumption. A light-emitting element having high luminous efficiency can be manufactured with the use of a triazole derivative which is a 1,2,4-triazole derivative, in which an aryl group or a heteroaryl group is bonded to each of 3-position, 4-position, and 5-position, and in which any one of the aryl group or heteroaryl group has a 9H-carbazol-9-yl group. | 02-13-2014 |
20140081031 | Anthracene Derivative, Light-Emitting Element, Light-Emitting Device, and Electronic Appliance - Novel anthracene derivatives are provided. Further, a light-emitting element, a light-emitting device, and an electronic appliance each using the novel anthracene derivative are provided. Anthracene derivatives represented by general formulae (G11) and (G21) are provided. The anthracene derivatives represented by the general formulae (G11) and (G21) each emit blue light with high color purity and have a carrier-transporting property. Therefore, each of the anthracene derivatives represented by the general formulae (G11) and (G21) is suitable for use in a light-emitting element, a light-emitting device, and an electronic appliance. | 03-20-2014 |
20140131686 | Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device - To provide a light-emitting element including a novel compound, which is capable of being used for a transport layer, a host material, or a light-emitting material in a light-emitting element. A light-emitting element which includes an EL layer between a pair of electrodes. In an analysis of the EL layer by liquid chromatography mass spectrometry, an ion having a mass/charge ratio (m/z) of 772 is detected, and by collision of an argon gas with the ion at an energy greater than or equal to 30 eV and less than or equal to 100 eV, one or more of an ion having a mass/charge ratio (m/z) of 349 and an ion having a mass/charge ratio (m/z) of 425 is or are detected. | 05-15-2014 |
20140145175 | Carbazole Derivative, Light-Emitting Element Material and Organic Semiconductor Material - 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. | 05-29-2014 |
20140159011 | Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device - Provided is a light-emitting element which has high emission efficiency and a long lifetime and is driven at low voltage. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer includes a compound which gives a first peak at a m/z of around 266.10 in a mass spectrum. | 06-12-2014 |
20140187791 | Carbazole Derivative and Method for Producing the Same - To provide a method for producing a wide variety of carbazole derivatives which have a simple and uncomplicated process and in which variations in the yield, purity, etc. of a desired substance which are caused by an aryl group introduced is reduced as much as possible. A method for producing a carbazole derivative represented by General Formula (1) is provided, in which 9-[4-(10-phenyl-9-anthryl)phenyl]-9H-carbazole having an active site at the 3-position of the carbazole skeleton and an aromatic compound having an active site are coupled. | 07-03-2014 |
20140206887 | Light-Emitting Element and Electronic Device - An object is to provide a light-emitting element with high emission efficiency which includes a novel carbazole derivative that has a wide energy gap and can be used for a transport layer or a host material in a light-emitting element. A carbazole derivative in which the 4-position of dibenzothiophene or dibenzofuran is bonded to the 2- or 3-position of carbazole has been able to be provided by use of the carbazole derivative. Further, a light-emitting element having high emission efficiency has been able to be provided by use of the carbazole derivative. | 07-24-2014 |
20140377644 | NONAQUEOUS SOLVENT, NONAQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICE - A nonaqueous solvent that includes an ionic liquid and has at least one of the following characteristics: high lithium ion conductivity, high lithium ion conductivity in a low temperature environment, high heat resistance, a wide available temperature range, a low freezing point (melting point), low viscosity, and the like. The nonaqueous solvent includes an ionic liquid and a fluorinated solvent. The ionic liquid contains an alicyclic quaternary ammonium cation which has a substituent and a counter anion to the alicyclic quaternary ammonium cation which has the substituent. | 12-25-2014 |
20150031900 | Organic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Appliance, and Lighting Device - An organic compound that emits blue light with high color purity and has a long lifetime is provided as a novel substance. The organic compound is a fluorescent organic compound having a structure in which benzonaphthofuranylamine is bonded to the 1-position and the 6-position of a pyrene skeleton. | 01-29-2015 |
20150060813 | Heterocyclic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device - A novel heterocyclic compound that can be used as a host material in which a light-emitting substance is dispersed. A light-emitting element having a long lifetime. A heterocyclic compound in which a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group is bonded to a substituted or unsubstituted arylene group having 6 to 25 carbon atoms which is bonded to any one of the 8-11 positions of a substituted or unsubstituted benzo[b]naphtho[1,2-d]furan skeleton. | 03-05-2015 |
20150060818 | Organic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device - Provided is a novel organic compound that can be used as a host material of a light-emitting layer in which a light-emitting substance is dispersed. The organic compound is represented by General Formula (G1-1). In the formula, A represents a substituted or unsubstituted dibenzo[f,h]quinoxalin-yl group, Ar | 03-05-2015 |
20150060824 | Organic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device - Provided is a novel organic compound that is used as a host material in which a light-emitting substance is dispersed. The organic compound is represented by General Formula (G1). In the formula, A represents a substituted or unsubstituted dibenzofuran-diyl group, a substituted or unsubstituted dibenzothiophene-diyl group, a substituted or unsubstituted N-aryl-9H-carbazole-diyl group, or a substituted or unsubstituted N-alkyl-9H-carbazole-diyl group; Ar | 03-05-2015 |