Patent application number | Description | Published |
20090033218 | RED ORGANIC ELECTROLUMINESCENCE ELEMENT - Provided is an organic electroluminescence device in which a single or a plurality of thin organic layers including at least a light emitting layer are sandwiched between an anode and a cathode. At least one of the thin organic layers includes: (A) a perylene compound having at least one halogen atom in its molecule; and (B) a compound having a fused aromatic ring having a ring carbon atoms of 12 to 15. The organic EL device has a high luminous efficiency and a long lifetime and is capable of emitting light having a color range of from an orange color to a red color. | 02-05-2009 |
20090058270 | PYRENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE MAKING USE OF THE SAME - Provided is an organic electroluminescence device including one or two or more organic thin-film layers having at least a light emitting layer interposed between a negative electrode and a positive electrode, in which the light emitting layer contains a pyrene derivative of a specified structure and an amine compound of a specified structure. The organic electroluminescence device excels in heat resistance, ensures long life and high luminous efficiency, and is capable of emitting blue, green and red lights. | 03-05-2009 |
20090091240 | COMPOUND CONTAINING FUSED RING AND ORGANIC ELECTROLUMINESCENT ELEMENT EMPLOYING THE SAME - Provided is a condensed ring-containing compound having a condensed dicyclic group having a specific structure and carbazolyl groups and/or indolyl groups, and further provided is an organic electroluminescent device in which an organic thin film layer comprising a single layer or plural layers having 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 contains the condensed ring-containing compound described above in the form of a single component or a mixed component, whereby a current efficiency and a heat resistance are high, and a lifetime is very long. | 04-09-2009 |
20090236975 | SILICON-CONTAINING COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE UTILIZING THE SAME - Provided are a silicon compound of a specified structure having a substituted silyl group and an organic electroluminescence device composed of one or more organic thin film layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layers contains the silicon compound alone or as a component of mixture. Thus, there are provided an organic electroluminescence device capable of obtaining a high luminous efficiency, a high color purity and a long lifetime, and a novel silicon compound for realization thereof. | 09-24-2009 |
20090261711 | ASYMMETRIC FLUORENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT CONTAINING THE SAME - Provided is an organic electroluminescence device which includes an organic thin film layer composed of one or more layers including at least one light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin layer contains an asymmetric fluorene-based derivative compound of a specific structural formula and an amine compound of a specific structural formula. This organic electroluminescence device has excellent heat resistance and a long lifetime and can emit any of blue, green, and red lights at a high luminous efficiency. | 10-22-2009 |
20100187511 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - An aromatic amine derivative having ring structures on the both sides of central double bond structure, an organic electroluminescence device including the aromatic amine derivative, and an organic electroluminescence material-containing solution including the aromatic amine derivative as one of organic electroluminescence materials and a solvent, the organic electroluminescence device having a long lifetime and high luminous efficiency and being capable of emitting blue light having a high color purity, and being realized with the aromatic amine derivative and the organic electroluminescence material-containing solution. | 07-29-2010 |
20100187512 | POLYCYCLIC RING ASSEMBLY COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE EMPLOYING THE SAME - Polycyclic ring assembly compound which has a specific flexible partial structure, i.e., a structure containing an aromatic ring in which adjacent carbon atoms have, bonded thereto, an aromatic ring group of another kind and an aliphatic group or aromatic ring group. Also provided are: a polymer constituted of repeating units at least part of which are structures derived from the polycyclic ring assembly compound; a solution of an organic EL material containing the polycyclic ring assembly compound or the polymer; and an organic electroluminescence device. The organic electroluminescence device has excellent heat resistance, high color purity, and a long lifetime and can emit a blue light or green light at a high luminescent efficiency. The polycyclic ring assembly compound realizes the device. | 07-29-2010 |
20100259163 | POLYMER COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a high polymer compound comprising a repeating unit having a function of a dopant and a repeating unit having a function of a host, a material for organic electroluminescence containing the above high polymer compound and an organic electroluminescence device comprising an anode, a cathode and an organic compound layer comprising a layer interposed between the anode and the cathode, wherein a layer of the above organic compound layers is a light emitting layer, and the organic compound layer contains the material for organic electroluminescence described above. The above high polymer compound is useful as a light emitting material and can achieve a high polymer EL device which is excellent in device characteristics such as a lifetime, a luminous efficiency and the like. | 10-14-2010 |
20100264814 | POLYMER COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - A polymer comprising a repeating unit derived from a compound represented by formula (1): | 10-21-2010 |
20100289013 | BENZANTHRACENE COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - A compound having the following structure as at least a part: | 11-18-2010 |
20100289014 | POLYMERIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE ELEMENT COMPRISING THE SAME - A polymer comprising the repeating units derived from an aromatic compound having a specific structure and a repeating unit derived from the compound represented by formula (1): | 11-18-2010 |
20100301313 | BENZANTHRACENE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A compound having the following structure as at least a part thereof: | 12-02-2010 |
20100314615 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device. | 12-16-2010 |
20100327230 | PHENANTHRENE DERIVATIVE, AND MATERIAL FOR ORGANIC EL ELEMENT - A phenanthrene derivative is represented by a formula (1) below. In the formula (1), Ar | 12-30-2010 |
20100331585 | PHENANTHRENE DERIVATIVE, AND MATERIAL FOR ORGANIC EL ELEMENT - A phenanthrene derivative is represented by a formula (1) below. In the formula (1), Ar | 12-30-2010 |
20110006289 | AROMATIC DIAMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Disclosed is an aromatic diamine derivative represented by the following general formula (I), which has a chrysene structure in which a phenyl group having a substituted or unsubstituted silyl group is a substituent for an amino group. Also disclosed is an organic electroluminescence device including an organic thin film layer formed of one or more layers including at least a light emitting layer and interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the aromatic diamine derivative by itself or as a component of a mixture, the device having a long lifetime and high luminous efficiency. (In the formula, R | 01-13-2011 |
20110042660 | ORGANIC LUMINESCENT MEDIUM AND ORGANIC EL DEVICE - Provided is an organic luminescent medium containing a specific diaminopyrene derivative and a specific anthracene derivative. Also provided are an organic electroluminescence device capable of emitting light having a short wavelength (such as blue light) with high luminous efficiency and having a long lifetime by having such constitution that the organic EL device contains one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the organic luminescent medium, and an organic luminescent medium that can be used in an organic thin film layer of the organic EL device. | 02-24-2011 |
20110068683 | ANTHRACENE DERIVATIVES, LUMINESCENT MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICES - Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life. | 03-24-2011 |
20110156016 | ORGANIC LIGHT-EMITTING MEDIUM AND ORGANIC EL ELEMENT - An organic light-emitting medium including a diaminopyrene derivative represented by the following formula (1) and an anthracene derivative represented by the following formula (2); | 06-30-2011 |
20110233534 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING THE SAME - An aromatic amine derivative represented by the following formula (1);
| 09-29-2011 |
20110248250 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film layer comprising a single layer or plural layers is provided between a cathode and an anode, where the organic thin film layer comprises at least one light emitting layer, and the at least one light emitting layer comprises (a) a host material represented by the following Formula (1): Ra—Ar | 10-13-2011 |
20110297918 | BENZANTHRACENE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A compound having the structure represented by the following formula (1) or (1)′ as at least a part: | 12-08-2011 |
20110315965 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescence device and a material for producing the organic electroluminescence device. The organic electroluminescence device includes an organic thin film layer between a cathode and an anode, the organic thin film layer including one or more layers, in which the organic thin film layer includes one or more light emitting layers and at least one of the light emitting layers includes a phosphorescent material and a host material. The host material has an essential structure in which a naphthalene ring is bonded to a fluorene skeleton, dibenzofuran skeleton, or dibenzothiophene skeleton. The organic electroluminescence device is a phosphorescent device having high efficiency and long lifetime. | 12-29-2011 |
20120119196 | ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescence device includes a cathode, an anode, and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer contains an organic compound represented by a formula (1) below and a phosphorescent material. The triplet energy Eg(T) of the organic compound represented by the formula (1) is larger than that of the phosphorescent material. | 05-17-2012 |
20120223295 | BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE - Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative. | 09-06-2012 |
20130221338 | ORGANIC LUMINESCENT MEDIUM AND ORGANIC EL DEVICE - Provided is an organic luminescent medium containing a specific diaminopyrene derivative and a specific anthracene derivative. Also provided are an organic electroluminescence device capable of emitting light having a short wavelength (such as blue light) with high luminous efficiency and having a long lifetime by having such constitution that the organic EL device contains one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the organic luminescent medium, and an organic luminescent medium that can be used in an organic thin film layer of the organic EL device. | 08-29-2013 |
20130234119 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime. | 09-12-2013 |
20130306960 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film emissive layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the following formula (1): | 11-21-2013 |
20130306961 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film emissive layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the following formula: | 11-21-2013 |
20130306963 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The OLEDs of the present invention are characterized by providing an organic thin film layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a bis-carbazole derivative host material;
| 11-21-2013 |
20140001446 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE | 01-02-2014 |
20140048784 | BISCARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME - A biscarbazole derivative having a specific group, which is represented by formula (1): | 02-20-2014 |
20140151647 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime. | 06-05-2014 |
20140312331 | BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE - Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative. | 10-23-2014 |