Patent application number | Description | Published |
20080233434 | AROMATIC AMINE DERIVATIVES AND ELECTROLUMINESCENCE DEVICE USING THE SAME - An aromatic amine derivative with a specific structure and an organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. The organic electroluminescence device which exhibits an enhanced current efficiency of light emission and emits blue light with a prolonged lifetime is realized. | 09-25-2008 |
20080315754 | ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are a novel anthracene derivative of a specific structure in which benzofuran or benzothiophene is bonded to anthracene through an arylene group, a material for an organic electroluminescence device and a light emitting material for an organic electroluminescence device each containing the anthracene derivative, and an organic electroluminescence device including an organic thin film layer formed of one or plural 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 layer contains the anthracene derivative alone or as a component of a mixture. The organic electroluminescence device has high luminous efficiency and is capable of emitting light with a long lifetime, and the device can be realized by the anthracene derivative. | 12-25-2008 |
20090066235 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are an organic electroluminescent device including an aromatic amine derivative formed of a specific structure having a thiophene structure and an organic thin film layer interposed between a cathode and an anode and formed of one layer or a plurality of layers including at least a light emitting layer, in which at least one layer of the organic thin film contains the aromatic amine derivative alone or as a component of a mixture, the organic electroluminescent device in which molecules hardly crystallize, and which decreases a driving voltage, can be produced with improved yields upon the production of the organic electroluminescent device, and has a long lifetime, and an aromatic amine derivative realizing the organic electroluminescent device. | 03-12-2009 |
20090115320 | AROMATIC TRIAMINE COMPOUND AND ORGANIC ELECTTROLUMINESCENCE DEVICE USING THE SAME - Provided are an aromatic triamine compound of a specific structure having at least one terphenyl structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers having at least a luminescent layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin film layers contains the aromatic triamine compound described above in the form of a single component or a mixed component, and provided are the organic electroluminescence device having a high luminous efficiency and a long life and the novel aromatic triamine compound for materializing the same. | 05-07-2009 |
20090140637 | NITROGEN-CONTAINING HETEROCYCLIC DERIVATIVE HAVING ELECTRON-ATTRACTING SUBSTITUENT AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING THE SAME - A novel nitrogen-containing heterocyclic compound having an electron-attracting substituent and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer which comprises a single layer or a plurality of layers comprising at least a light emitting layer and is disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the above nitrogen-containing heterocyclic derivative singly or as a component of a mixture. The organic electroluminescence device exhibits a great efficiency of light emission and has a long life. | 06-04-2009 |
20090167161 | AROMATIC AMINE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are an organic electroluminescence device and an aromatic amine derivative for realizing the device. The aromatic amine derivative improves the luminous efficiency of an organic electroluminescence device using the derivative, and its molecules hardly crystallize. The organic electroluminescence device has an organic thin film layer composed of one or a plurality of layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, and at least one layer of the organic thin film layer, especially a hole transporting layer contains the aromatic amine derivative alone or as a component of a mixture, so the organic electroluminescence device can be produced in improved yield, and has a long lifetime. | 07-02-2009 |
20100171109 | ORGANIC EL DEVICE - An organic EL device includes: an anode for injecting holes; a phosphorescent-emitting layer; a fluorescent-emitting layer; and a cathode for injecting electrons. The phosphorescent-emitting layer contains a phosphorescent host and a phosphorescent dopant for phosphorescent emission. The fluorescent-emitting layer contains a fluorescent host and a fluorescent dopant for fluorescent emission. The phosphorescent host has a substituted or unsubstituted polycyclic fused aromatic skeleton and has a triplet energy gap of 2.0 eV to 3.0 eV. | 07-08-2010 |
20100187517 | ORGANIC EL DEVICE - An organic EL device includes: an anode; a cathode and an organic thin-film layer provided between the anode and the cathode. The organic thin-film layer includes: a fluorescent-emitting layer containing a fluorescent host and a fluorescent dopant; and a phosphorescent-emitting layer containing a first phosphorescent host and a first phosphorescent dopant. The first phosphorescent dopant emits light by receiving exited triplet energy transferred from the fluorescent host. The fluorescent host has a substituted or unsubstituted polycyclic fused aromatic skeleton and has an exited triplet energy gap of 2.10 eV to 3.00 eV. | 07-29-2010 |
20100207110 | ORGANIC EL DEVICE - An organic EL device includes: an anode for injecting holes; a phosphorescent-emitting layer; a fluorescent-emitting layer; and a cathode for injecting electrons. The phosphorescent-emitting layer contains a phosphorescent host and a phosphorescent dopant for phosphorescent emission. The fluorescent-emitting layer contains a fluorescent host and a fluorescent dopant for fluorescent emission. The fluorescent host is at least one of an asymmetric anthracene derivative represented by a formula (1) below and a pyrene derivative represented by a formula (2) below. | 08-19-2010 |
20100289013 | BENZANTHRACENE COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - A compound having the following structure as at least a part: | 11-18-2010 |
20100295029 | BENZOCHRYSENE DERIVATIVE AND AN ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A fused aromatic ring derivative shown by the following formula (1): | 11-25-2010 |
20100295030 | FUSED AROMATIC DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A fused aromatic derivative shown by the following formula (1): | 11-25-2010 |
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 |
20100320451 | BENZOCHRYSENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A fused aromatic ring derivative shown by the following formula (1): | 12-23-2010 |
20100320452 | BENZOPHENANTHRENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE EMPLOYING THE SAME - A fused aromatic ring derivative shown by the following formula (1): | 12-23-2010 |
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 |
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 |
20110278551 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT - Provided are an organic electroluminescence device that not only provides high efficiency but also has a long lifetime, and an aromatic amine derivative that realizes the device. The organic electroluminescence device includes an aromatic amine derivative, including at least one substituent A having dibenzofuran and at least one substituent B selected from groups each having dibenzofuran or carbazole, in a molecule thereof, in which the substituent A and the substituent B include groups different from each other, and the substituent A and the substituent B are bonded to the same nitrogen atom, or different nitrogen atoms, in the molecule. The molecules of the aromatic amine derivative hardly crystallize, which improves a yield in the production of the organic electroluminescence device. In the organic electroluminescence device, including an organic thin film layer formed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, the aromatic amine derivative is contained in at least one layer, particularly a hole transport layer, in the organic thin film layer. | 11-17-2011 |
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 |
20110297923 | Aromatic amine derivative and organic electroluminescent element using same - An aromatic amine derivative represented by the following formula (1): | 12-08-2011 |
20110309337 | ORGANIC EL DEVICE - An organic EL device includes: an anode ( | 12-22-2011 |
20120013244 | ORGANIC LUMINESCENT MEDIUM - An organic luminescent medium including an anthracene derivative represented by the following formula (1) and a compound having at least one electron-attracting group in the molecular structure thereof. | 01-19-2012 |
20120056165 | ORGANIC LUMINESCENT MEDIUM - An organic luminescent medium including an aromatic amine derivative represented by the following formula (1) and an anthracene derivative represented by the following formula (I): | 03-08-2012 |
20120112169 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME - An aromatic amine derivative represented by the following formula (1)
| 05-10-2012 |
20120138914 | ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME - An anthracene derivative represented by the following formula (1): | 06-07-2012 |
20120175600 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT - Provided is an organic electroluminescence device that provides high efficiency and a long lifetime. The device includes an aromatic amine including at least one substituent A having dibenzofuran and at least one substituent B selected from groups having dibenzofuran or carbazole. The substituent A and the substituent B include groups different from each other and are bonded to the same or different nitrogen atoms in the molecule. The molecules of the aromatic amine hardly crystallize, improving yield in producing the organic electroluminescence device. The device includes an organic thin film layer formed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode. The aromatic amine is contained in at least one layer, particularly a hole transport layer, in the organic thin film layer. | 07-12-2012 |
20130187137 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - An aromatic amine derivative with a specific structure having a carbazole skeleton to which a diarylamino group bonds via a bonding group. An organic electroluminescence device which is composed of one or more organic thin film layers including at least one light emitting layer sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers contains the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices with enhanced efficiency of light emission and a compound realizing the devices are provided. | 07-25-2013 |
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 |
20140077200 | AROMATIC AMINE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including 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, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime. | 03-20-2014 |
20140183500 | ORGANIC ELECTROLUMINESCENCE - A fused amine compound including a furan ring or a thiophene ring and an organic electroluminescence device employing the amine compound. The organic electroluminescence device includes a cathode, an anode, and one or more organic thin film layers which are disposed between the cathode and the anode. The organic thin film layers include a light emitting layer and at least one layer of the organic thin film layers includes at least one amine compound. | 07-03-2014 |
20140353640 | ORGANIC ELECTROLUMINESCENCE DEVICE - A heterocyclic compound wherein three five-membered rings are fused to one benzene ring and a saturated or unsaturated ring is fused to each five-membered ring. An organic electroluminescence device includes one or more organic thin film layers between an anode and a cathode. The one or more organic thin film layers include a light emitting layer. At least one layer of the one or more organic thin film layers includes the heterocyclic compound. | 12-04-2014 |