| Patent application number | Description | Published |
|---|
| 20080233431 | Organic electroluminescent element, illuminator and display - An organic electroluminescent element comprising an anode and a cathode having therebetween an emission layer containing a phosphorescent compound and an layer adjacent to the emission layer, the layer adjacent to the emission layer being provided between the emission layer and the cathode, wherein the layer adjacent to the emission layer comprises a compound having an electron withdrawing group; and the compound exhibits a HOMO level of −5.7 to −7.0 eV and a LUMO level of −1.3 to −2.3 eV. | 09-25-2008 |
| 20090039771 | ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - This invention provides an organic EL element, which can control luminescence wavelength, exhibits high luminescence efficiency, and has a prolonged emission life, and a lighting equipment and a display device. They can be realized by an organic electroluminescent element material characterized by a metal complex having a structure represented by the following general formula (A) as a partial structure. | 02-12-2009 |
| 20090091253 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - The first object of the present invention is to provide a blue phosphorescent light-emitting organic electroluminescent (EL) device driven at low voltage, and a display and illuminating device each using such an organic EL device. The second object of the present invention is to provide an organic EL device having long life, and an illuminating device and display each using such an organic EL device. Each organic EL device comprises an electrode and at least one organic layer on a substrate, and at least one of the organic layers is a light-emitting layer containing a host compound and a phosphorescent compound. In order to accomplish the first object, the host compound has an HOMO of from −7.20 to −5.42 eV and an LUMO of from −2.30 to −0.50 eV, and the phosphorescent compound is represented by the general formula (1). In order to accomplish the second object, the host compound is an electron-transporting host compound having an excited triplet energy T | 04-09-2009 |
| 20090140639 | ORGANIC ELECTROLUMINESCENCE ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - An organic electroluminescence element comprising at least an emission layer sandwiched between an anode and a cathode, wherein the emission layer comprises a metal complex having a partial structure represented by Formula (1): | 06-04-2009 |
| 20090160318 | ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY AND ILLUMINATING DEVICE - Disclosed is an organic EL device having high luminous efficiency and long emission life, wherein emission wavelength is controlled. Also disclosed are an illuminating device and a display. Specifically disclosed is an organic electroluminescent device containing at least a light-emitting layer sandwiched between an anode and a cathode. This organic electroluminescent device is characterized in that the light-emitting layer contains a metal complex having a partial structure represented by the following general formula (1). | 06-25-2009 |
| 20090167165 | ORGANIC ELECTROLUMINESCENT DEVICE MATERIAL, ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY AND ILLUMINATING DEVICE - Disclosed is a novel organic EL device material. Also disclosed are an organic EL device, an illuminating device and a display each having high emission efficiency and long emission lifetime, which are obtained by employing the organic EL device material. | 07-02-2009 |
| 20090230850 | ELECTROLUMINESCENT ELEMENT, LIQUID CRYSTAL DISPLAY AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent device having excellent power efficiency wherein white balance can be easily controlled. Also disclosed are a liquid crystal display and an illuminating device respectively using such an organic electroluminescent device. Specifically disclosed is an organic electroluminescent device having three or more light-emitting layers of different emission wavelengths, while containing a phosphorescent dopant having an emission maximum wavelength of 440-490 nm in a solid state in at least one of the light-emitting layers. This organic electroluminescent device is characterized in that the ionization potential energy of the phosphorescent dopant is lower than 5.1 eV and than the ionization potential energy of at least one other light-emitting dopant. | 09-17-2009 |
| 20090236974 | ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent (EL) device having high emission luminance and high emission efficiency. Particularly disclosed are a blue-light emitting organic EL device, which is high in emission luminance, color purity, emission efficiency and durability, a display and an illuminating device each employing the organic EL device. The organic El device is characterized in that it comprises a light emission layer containing two or more kinds of host compounds and at least one dopant, wherein at least one of the two or more kinds of host compounds has an excited triplet energy of not less than 2.7 eV, and the dopant is a phosphorescent compound. | 09-24-2009 |
| 20090284138 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode,
| 11-19-2009 |
| 20090302745 | Organic Electroluminescence Element Material, Organic Electroluminescence Element, Display Device and Lighting Apparatus - Provided is an organic EL element, which has a controlled emission wavelength, a high emission efficiency and a long emission life. An organic EL element material for such organic EL element, a lighting device, and a display device using such organic EL element are also provided. | 12-10-2009 |
| 20100084966 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed is an organic electroluminescent device having long life, while exhibiting high luminous efficiency. Also disclosed are an illuminating device and a display, each using such an organic electroluminescent device. In the organic electroluminescent device, a compound represented by the general formula (A) which is suitable as a host material for a phosphorescent metal complex is used at least in one sublayer of a light-emitting layer. | 04-08-2010 |
| 20100137538 | ELECTRON-TRANSPORTING POLYMERS - The invention relates to polymers useful in optoelectronic devices and comprising structural unit of formula I: | 06-03-2010 |
| 20100141125 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - An organic EL element, which has high light emission efficiency, a long light emission life and a small color change when continuously driven, an illuminating device and a display device are provided. Especially, an organic EL element which emits white light and can be manufactured at low cost is provided. | 06-10-2010 |
| 20100141126 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY AND ILLUMINATING DEVICE - The present invention provides an organic electroluminescent element emitting a short wavelength light and having high emission efficiency and high storage stability, and a display and an illuminating device each employing the organic electroluminescent element. | 06-10-2010 |
| 20100270537 | OPTOELECTRONIC DEVICES AND ORGANIC COMPOUNDS USED THEREIN - An optoelectronic device comprises a cathode; an electron-transporting layer comprising a compound of formula I; | 10-28-2010 |
| 20110006670 | ORGANIC ELECTROLUMINESCENCE ELEMENT, NEW COMPOUND FOR THE SAME, DISPLAY DEVICE AND LIGHTING DEVICE USING THE SAME - Disclosed is an organic electroluminescence element comprising an anode, a cathode and a plurality of organic compound layers between the anode and the cathode, provided that one of the organic compound layers is a light emitting layer containing a phosphorescence emitting compound,
| 01-13-2011 |
| 20110073850 | ORGANIC ELECTROLUMINESCENT ELEMENT, ILLUMINATOR AND DISPLAY - An organic electroluminescent element containing an anode and a cathode having therebetween a light emitting layer, wherein the light emitting layer contains a guest compound having a substructure represented by the following Formula (A): | 03-31-2011 |
| 20110073851 | ORGANIC ELECTROLUMINESCENT ELEMENT, ILLUMINATOR AND DISPLAY - An organic electroluminescent element containing an anode and a cathode having therebetween a light emitting layer, wherein the light emitting layer contains a guest compound having a substructure represented by the following Formula (A): | 03-31-2011 |
