Patent application number | Description | Published |
20090021147 | ORGANIC ELECTROLUMINESCENCE ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - In an organic electroluminescence element which incorporates a substrate having thereon an anode and a cathode and which incorporates a plurality of organic layers between the aforesaid anode and cathode, wherein at least one of the aforesaid organic layers is a first organic layer incorporating a compound having at most 10 repeating units, the first organic layer being prepared by coating the compound having at least one polymerizable group, followed by polymerization. | 01-22-2009 |
20090033213 | Organic Electroluminescent Element, Displaying Device and Lighting Device - This invention provides an organic electroluminescent element comprising a substrate and an electrode and one or more organic layers provided on the substrate. The organic electroluminescent element is characterized in that the layer density of at least one of the organic layers is 1.10 to 1.25 g/cm | 02-05-2009 |
20090066226 | ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent device having high emission luminance, high external quantum efficiency and long lifetime. Also disclosed are a display and an illuminating device. The organic electroluminescent device is characterized in that it comprises, between a pair of electrodes, a constituent layer including at least a phosphorescence emission layer, wherein at least one in the constituent layer contains a compound represented by formula (1), | 03-12-2009 |
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 |
20090239000 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed is an organic electroluminescent device having high luminance and long-term stability under high temperature, high humidity conditions. This organic electroluminescent device is suppressed in voltage increase and generation of dark spots when driven at a constant current. Also disclosed are a display and an illuminating device using such an organic electroluminescent device. The organic electroluminescent device is characterized in that at least one of organic layers constituting the device is a light-emitting layer containing a host compound and a phosphorescent compound represented by the general formula (1) below, and the at least one organic layer has a film surface density of 1.10-1.25 g/cm | 09-24-2009 |
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 |
20110095278 | ORGANIC ELECTROLUMINESCENCE ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - In an organic electroluminescence element which incorporates a substrate having thereon an anode and a cathode and which incorporates a plurality of organic layers between the aforesaid anode and cathode, wherein at least one of the aforesaid organic layers is a first organic layer incorporating a compound having at most 10 repeating units, the first organic layer being prepared by coating the compound having at least one polymerizable group, followed by polymerization. | 04-28-2011 |
20110184176 | PRODUCING METHOD OF NITROGEN CONTAINING CONDENSED HETEROCYCLIC COMPOUND - Provided is a method for producing a nitrogen-containing condensed heterocyclic compound containing the step of: reacting a compound represented by Formula (1a) or Formula (1b) with a compound represented by Formula (2) under existence of cupper or a cupper ion, and a ligand to produce a nitrogen-containing condensed heterocyclic compound represented by Formula (3a) or Formula (3b): | 07-28-2011 |
20120085997 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, ILLUMINATING DEVICE AND CONDENSED POLYCYCLIC HETEROCYCLIC COMPOUND - Disclosed is an organic electroluminescent element which is characterized in that constituent layers including at least a phosphorescent light-emitting layer are provided between a pair of electrodes, and at least one of the constituent layers contains a compound represented by general formula (1). (In the formula, A | 04-12-2012 |
20130119360 | 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,
| 05-16-2013 |