| Yamagata Promotional Organization for Industrial Technology Patent applications |
| Patent application number | Title | Published |
| 20110101319 | ORGANIC ELECTROLUMINESCENT DEVICE - Provided are a hole-injecting material for an organic electroluminescent device (organic EL device) exhibiting high luminous efficiency at a low voltage and having greatly improved driving stability, and an organic EL device using the material. The hole-injecting material for an organic EL device is selected from benzenehexacarboxylic acid anhydrides, benzenehexacarboxylic acid imides, or N-substituted benzenehexacarboxylic acid imides. Further, the organic EL device has at least one light-emitting layer and at least one hole-injecting layer between an anode and a cathode arranged opposite to each other, and includes the above-mentioned hole-injecting material for an organic EL device in the hole-injecting layer. The organic EL device may contain a hole-transporting material having an ionization potential (IP) of 6.0 eV or less in the hole-injecting layer or a layer adjacent to the hole-injecting layer. | 05-05-2011 |
| 20110045732 | METHOD AND DEVICE FOR MANUFACTURING ORGANIC EL LIGHT-EMITTING PANEL - There are executed a coating or attaching process for coating or attaching a grease-like or gel-like material onto a surface of a sealing substrate on a sealed space side and a drying process for drying the grease-like or gel-like material coated or attached onto the sealing substrate. Then, there is executed a laminating process of sealing the peripheral edge portion between the sealing substrate and the element formation substrate by a sealing agent such as an adhesive in such a state that the surface of the sealing substrate onto which the grease-like or gel-like material is coated or attached and the surface of the element formation substrate on which an organic EL element is formed are opposed to each other. | 02-24-2011 |
| 20110031476 | ORGANIC ELECTROLUMINESCENCE ELEMENT - The present invention provides an organic EL element having a multi-photon structure, in which optical absorption in the visible region caused by a charge-transfer complex in a conventional intermediate layer structure is inhibited, and the resistance of this intermediate layer to a counter career is improved, thus allowing high efficiency and a long operation life of the element. | 02-10-2011 |
| 20100327265 | BIPIRIDINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE ELEMENT CONTAINING THE SAME - The present invention provides a new bipyridine derivative which is suitable for an electron transport material of an organic electronics element and which has bipyridyl central rings as a core, and further provides an organic electroluminescence element containing the derivative. | 12-30-2010 |
| 20100188846 | ILLUMINATING DEVICE - An illuminating device is provided which is capable of being used for a variety of illuminating applications by combining panel cases housing surface light emitting bodies and of realizing light modulation control in a state in which each panel case is being combined. To one end of a long panel case | 07-29-2010 |
| 20100052525 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND METHOD OF MANUFACTURING THE SAME - The present invention provides an organic electroluminescence element in which an anode layer | 03-04-2010 |
| 20090323365 | LIGHTING APPARATUS - It is provided with a light emitting panel | 12-31-2009 |
| 20090323349 | LIGHTING APPARATUS - A lighting apparatus includes a plane light-emitter | 12-31-2009 |
| 20090243514 | POWER SUPPLY APPARATUS FOR LIGHTING DEVICE - The apparatus is provided with a plurality of lighting devices whose light sources are one or more solid light emitting elements which are supplied with current from a single direct-current power source, lit, and driven respectively, a single main controller | 10-01-2009 |
| 20090219718 | LIGHTING APPARATUS - To provide a lighting apparatus in which a high-class feeling and a cubic effect are obtained or an interior design is allowed to have an appearance like a chandelier. | 09-03-2009 |
| 20090206743 | ORGANIC ELECTROLUMINESCENCE ELEMENT - To find a triphenylbenzene derivative suitable for a wide-gap material which allows blue luminescence excellent in color purity, and provide an organic EL element using the same. | 08-20-2009 |
| 20090160328 | ORGANIC ELECTROLUMINESCENCE MATERIAL AND ELEMENT USING THE SAME - An organic EL element having one or a plurality of organic layers including a light emitting layer between a pair of electrodes is arranged such that at least one layer of the above-mentioned organic layers contains a compound as expressed by the following general formula (1) independently or as a mixture. | 06-25-2009 |
| 20090160327 | ORGANIC ELECTROLUMINESCENCE ELEMENT - An organic EL element having one or a plurality of organic layers including a light emitting layer between a pair of electrodes is arranged such that at least one layer of the above-mentioned organic layers contains a compound as expressed by the following general formula (1) independently or as a mixture. | 06-25-2009 |
| 20090160326 | ORGANIC ELECTROLUMINESCENCE MATERIAL AND ELEMENT USING THE SAME - An organic EL element having one or a plurality of organic layers including a light emitting layer between a pair of electrodes is arranged such that at least one layer of the above-mentioned organic layers contains a compound as expressed by the following general formula (1) independently or as a mixture. | 06-25-2009 |
| 20090160315 | ORGANIC ELECTROLUMINESCENCE MATERIAL AND ELEMENT USING THE SAME - An organic EL element having one or a plurality of organic layers including a light emitting layer between a pair of electrodes is arranged such that at least one layer of the above-mentioned organic layers contains a compound as expressed by the following general formula (1) independently or as a mixture. | 06-25-2009 |
| 20090042061 | ELECTRON TRANSPORTING MATERIALS AND ORGANIC LIGHT-EMITTING DEVICES THEREWITH - The present invention provides a novel electron transporting material having good heat resistance and being capable of forming devices with high thermal characteristics and an organic light-emitting device therewith. The phenanthroline derivative represented by the general formula below is used as the electron transporting material to form the organic light-emitting device: | 02-12-2009 |
| 20080246395 | ORGANIC ELECTROLUMINESCENT DEVICE - The present invention provides an organic electroluminescent device that can keep a stable luminescent characteristic for a long period. An organic electroluminescent device includes at least an anode | 10-09-2008 |
| 20080224606 | ORGANIC EL LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - An organic EL light emitting device, in which a plurality of divided light emitting segments are connected in series, is efficiently manufactured without separate coating of organic EL light emitting layers with the use of a vapor-deposition mask. Conductor parts | 09-18-2008 |