UDC IRELAND LIMITED Patent applications |
Patent application number | Title | Published |
20150162554 | ORGANIC ELECTROLUMINESCENT ELEMENT, MATERIAL FOR SAID ELEMENT, AND LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE USING SAID ELEMENT - The organic electroluminescent element using a compound represented by the following general formulae emits dark blue light and exhibits good chromaticity at a wide range of concentrations of light emitting materials. | 06-11-2015 |
20150084016 | ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHT-EMITTING MATERIAL THEREFOR, LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE - An organic electroluminescent element including a luminescent compound represented by the following formula (in which R | 03-26-2015 |
20150076462 | ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND AND MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, USED IN THE SAME, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE AND ILLUMINATION DEVICE, USING THE ELEMENT - An organic electroluminescent element comprising a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer which is arranged between the electrodes and which includes a light emitting layer, wherein the organic layer contains a compound represented by general formula (1) in at least one layer. The organic electroluminescent element has a high luminous efficiency, excellent blue color purity, and little chromaticity change due to drive deterioration. (In the formula, the two Xs either both represent an O atom or both represent an S atom, and R | 03-19-2015 |
20150069332 | CHARGE TRANSPORT MATERIAL, OGANIC ELECTROLUMINESCENT ELEMENT, AND ILLUMINATION DEVICE, DISPLAY DEVICE, OR LIGHT-EMITTING DEVICE CHARACTERIZED BY USING SAID ELEMENT - [This] charge transport material which comprises a compound expressed by the following formula has a high efficiency and drive durability after high-temperature storage and resists the occurrence of dark spots (X | 03-12-2015 |
20150053936 | ORGANIC ELECTRIC LIGHT EMITTING ELEMENT, MATERIAL FOR SAID ELEMENT, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE EMPLOYING SAID ELEMENT - An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn | 02-26-2015 |
20140339519 | ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE USING SAID ELEMENT - An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has a high effect of inhibition of voltage during high-luminance driving: | 11-20-2014 |
20140326966 | ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE EACH USING ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes. At least one kind of a compound represented by the following general formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has good luminous efficiency, driving voltage, and driving durability, and has low dependence of such performance on a deposition rate. | 11-06-2014 |
20140319507 | Organic Electroluminescent Element, Material for Organic Electroluminescent Element, Light Emitting Device, Display Device and Lighting Device Each Using Said Element, and Compound Used for Said Element - This application relates, in part, to an organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one layer of the organic layer(s) contains a compound represented by the following formula (1). The organic electroluminescent element has low driving voltage and excellent durability. | 10-30-2014 |
20140306206 | Organic Electroluminescent Element, and Light Emitting Device, Display Device and Lighting Device Each Using Organic Electroluminescent Element - An organic electroluminescent element containing a light emitting material represented by the following general formula (1) and a host material represented by the general formula (H-1) in a light emitting layer. The organic electroluminescent element has low driving voltage, high luminous efficiency, and excellent durability. L represents O, NR | 10-16-2014 |
20140306205 | Charge-Transporting Material, Organic Electroluminescent Element, and Light-Emitting Device, Display Device and Illumination Device Characterised By Using Said Element - An organic electroluminescent element having high durability can be provided by using a compound represented by the following general formula (1), wherein: Z | 10-16-2014 |
20140299851 | Organic Electroluminescence Element - An organic electroluminescence element that uses a compound expressed by the following general formula has low inter-molecular interaction and high orientation during vapor deposition, and by using compounds that are resistant to aggregation, luminous efficiency is high, and there is little change in chromaticity accompanying drive deterioration (either V | 10-09-2014 |
20140291652 | ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE USING SAID ELEMENT - An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has small changes in the chromaticity and in the driving voltage even after driving for a long period of time: | 10-02-2014 |
20140264301 | ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE EACH USING ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has good luminous efficiency, driving voltage, and driving durability, and has low dependence of such performance on a deposition rate: | 09-18-2014 |
20140246659 | ORGANIC ELECTROLUMINESCENT ELEMENT, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE EACH USING ORGANIC ELECTROLUMINSCENT ELEMENT - An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which a compound represented by the following formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has high luminous efficiency and a strong effect of improving the durability by driving aging: | 09-04-2014 |
20140239281 | ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE AND LIGHTING SYSTEM, USING SAID ELEMENT - An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula is contained in any layer of the at least one organic layer, is an organic electroluminescent element, in which the generation of dark spots during driving is inhibited: | 08-28-2014 |
20140239280 | ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHT-EMITTING MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE USING SAID ELEMENT - An organic electroluminescent element using a compound represented by the following general formula emits dark blue light and has a small change in the chromaticity during luminance modulation: | 08-28-2014 |
20140203252 | ORGANIC ELECTROLUMINESCENT ELEMENT, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGTH EMITTING DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE EACH USING ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescent element which has a substrate, a pair of electrodes disposed on this substrate and composed of an anode and a cathode, and at least one organic layer disposed between these electrodes and including a light-emitting layer, and in which a compound expressed by General Formula 1-1 is contained in at least one layer of the aforementioned light-emitting layer(s) exhibits high luminous efficiency, excellent blue color purity, and little change in chromaticity accompanying drive deterioration. (R | 07-24-2014 |
20140159024 | Organic Electric-Field Light-Emitting Element, Light-Emitting Material For Organic Electric-Field Light-Emitting Element, And Light-Emitting Device, Display Device, And Illumination Device Using Same Element - An organic electroluminescent element that uses a compound expressed by the following general formula emits dark blue light and exhibits little change in chromaticity during brightness modulation. (n1 is an integer from 0 to 8; the R | 06-12-2014 |
20140054572 | ORGANIC ELECTROLUMINESCENT DEVICE - [Problem] To provide an organic electroluminescent device that is excellent in external extraction efficiency of emitted light and able to attain reduced power consumption and prolonged service life. | 02-27-2014 |
20140054567 | Organic Electroluminescent Device - Provided is an organic electroluminescent device including, in an order mentioned: a reflective electrode; an organic electroluminescent layer; a light extraction layer; and a transparent substrate, wherein a ratio (w/d) is 9 or more where “d” denotes a total average thickness from the organic electroluminescent layer to the transparent substrate and “w” denotes a minimum width of a non-light-emitting region present outside of an outer periphery of an effective light-emitting region in the organic electroluminescent layer. | 02-27-2014 |
20140034914 | Organic Electroluminescent Device; A Charge Transporting Material For The Organic Electroluminescent Device; And A Luminescent Device, A Display Device And A Lighting System Using The Organic Electroluminescent Device - An organic electroluminescent element comprising a substrate; a pair of electrodes including an anode and a cathode, disposed on the substrate; and at least one organic layer including a light emitting layer, disposed between the electrodes, wherein the light emitting layer includes a compound represented by the following general formula: | 02-06-2014 |
20130334506 | ORGANIC ELECTROLUMINESCENT ELEMENT - It is an object of the present invention to provide an organic electroluminescent element with which no light extraction layer needs to be produced separately, which has a transparent electrode that is advantageous in terms of cost and a simple film formation process, and which is excellent from the standpoint of light extraction efficiency. The present invention provides an organic electroluminescent element in which a substrate, a first electrode adjacent to this substrate, an organic layer including at least one organic light-emitting layer, and a second electrode adjacent to this organic layer are formed in this order, with this organic electroluminescent element being such that at least one of the aforementioned electrodes is a transparent electrode which is transparent, which contains at least one type of light scattering particles that are transparent and that have a primary particle size of at least 0.5 μm, and which is composed of the aforementioned light scattering particles and a component having a refractive index equal to or higher than the refractive index of the aforementioned organic light-emitting layer. | 12-19-2013 |
20130328027 | ORGANIC ELECTROLUMINESCENT ELEMENT - [It is an object] to provide an organic electroluminescent element with which the initial durability of the element can be greatly improved while maintaining the efficiency of the element at a high level. This is an organic electroluminescent element having an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a light-emitting layer, and a cathode, in this order, with this organic electroluminescent element being such that the aforementioned hole injection layer includes a material for which the energy of the lowest unoccupied molecular orbital (LUMO) is less than −4.0 eV and also such that the energy E | 12-12-2013 |
20130320839 | Charge Transporting Material, Organic Electroluminescent Element, Light Emitting Device, Display Device And Illumination Device - A charge transporting material which allows for a low driving voltage and is superior in luminous efficiency and durability is provided. The charge transporting material comprising a compound represented by any one of the general formula (1-1) to (1-3), wherein R | 12-05-2013 |
20130320310 | ORGANIC ELECTROLUMINESCENT ELEMENT, MATERIALS FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE, OR ILLUMINATION DEVICE, EACH USING THE ELEMENT, AND COMPOUNDS USED IN THE ELEMENT - An organic electroluminescent element comprising: a substrate; a pair of electrodes including an anode and a cathode, disposed on the substrate; and at least one organic layer including a light emitting layer, disposed between the electrodes. At least one of the organic layer contains a compound of general formula (1): A-(B) | 12-05-2013 |
20130313532 | Charge Transporting Material, Organic Electroluminescent Element, Light Emitting Device, Display Device And Illumination Device - [Problem] To provide a charge transporting material which allows for a low driving voltage and is superior in luminous efficiency and durability. | 11-28-2013 |
20130313531 | Organic Electroluminescent Element - Disclosed is an organic electroluminescent element which is excellent with respect to luminous efficiency and driving voltage and rarely undergoes initial luminance drop. Specifically disclosed is an organic electroluminescent element which comprises, on a substrate, a pair of electrodes composed of an anode and a cathode and a light-emitting layer arranged between the electrodes, and additionally comprises at least one organic layer arranged between the light-emitting layer and the cathode, where in the light-emitting layer contains, for example, a compound (A-1), and the at least one layer arranged between the light-emitting layer and the cathode contains, for example, a compound (e-4). | 11-28-2013 |
20130292654 | Organic Electroluminescent Element - Disclosed is an organic electroluminescent element that has the characteristic of excellent blue chromaticity, achieves a higher level of both external quantum efficiency and driving durability compared to conventional organic electroluminescent elements, and has a low change in chromaticity before and after driving the element. The organic electroluminescent element has a pair of electrodes and a light-emitting layer between said electrodes on a substrate, and the aforementioned light-emitting layer contains: a carbazole compound having a particular structure; and an iridium complex having a particular structure as a blue phosphorescent light-emitting material. | 11-07-2013 |
20130270530 | ORGANIC ELECTROLUMINESCENT ELEMENT AND COMPOUND - An organic electroluminescence device having high efficiency, low in driving voltage and excellent in durability and a compound useful for the organic electroluminescence device are provided. | 10-17-2013 |
20130270529 | ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT AND PRODUCTION METHOD FOR ORGANIC ELECTROLUMINESCENT ELEMENT - Provided is an organic electroluminescence device material, which, in its production, is free from formation of impurities that worsen the performance of organic EL devices, which, in forming an upper layer by coating, does not cause dissolution mixing or swelling mixing, which forms a film of good quality and which contributes toward improving the performance (high durability, and low driving voltage) of organic EL devices. | 10-17-2013 |
20130264547 | MATERIALS FOR AN ORGANIC ELECTROLUMINESCENCE ELEMENT, ELECTROLUMINESCENT, DISPLAY AND ILLUMINATING DEVICES USING THE ELEMENTS - An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one layer of organic layers including a light emitting layer, disposed between the electrodes, in which at least one of the organic layers contains a compound represented by the following general formula: | 10-10-2013 |
20130214259 | ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUNDS AND MATERIALS USED FOR THE ORGANIC ELECTROLUMINESCENT ELEMENT, AND LIGHT-EMITTING, DISPLAY AND ILLUMINATING DEVICES USING THE ELEMENTS - An organic electroluminescent element is provided that has high luminous efficiency, and a slow luminance deterioration rate in the initial stage of lighting. The organic electroluminescent element includes a substrate; a pair of electrodes including an anode and a cathode, disposed on the substrate; and at least one organic layer including a light emitting layer, disposed between the electrodes, wherein at least one organic layer includes a compound represented by the general formula (1). (R | 08-22-2013 |
20130207540 | Organic Electroluminescent Element - Disclosed is an organic electroluminescent element which has high luminous efficiency, a low driving voltage, high durability in a high-current-density region, and little change in chromaticity before and after the driving in a high-current-density region. Specifically disclosed is an organic electroluminescent element comprising a pair of electrodes composed of an anode and a cathode, a light-emitting layer arranged between the electrodes, and at least one organic layer arranged between the light-emitting layer and the anode, wherein the light-emitting layer contains, for example, a compound (A), and at least one organic layer arranged between the light-emitting layer and the cathode contains, for example, a compound (a-3). | 08-15-2013 |
20130126835 | Organic Electroluminescent Element, Compound for Use in the Element, and Light Emitting Device, Display Device, and Illumination Device Using the Element - The disclosure relates to organic electroluminescent elements, compounds for use in the elements, and devices using the elements, which include a compound represented by the following General Formula (1): | 05-23-2013 |
20130119359 | Organic Electroluminescent Element, Material for Organic Electroluminescent Element, and Light Emitting Device, Display Device and Illumination Device Each Using the Element - The disclosure relates to organic electroluminescent elements, materials for use in the elements, and devices using the elements, which include a compound represented by the following General Formula (1): | 05-16-2013 |
20120306360 | ORGANIC ELECTROLUMINESCENT DEVICE AND PLATINUM COMPOUND - An organic electroluminescent device, which has a pair of electrodes, and at least one organic layer including a luminescent layer between the electrodes, wherein the organic layer contains at least one compound of formula (1): | 12-06-2012 |
20120298979 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device includes: a pair of electrodes; and at least one organic compound layer therebetween, the at least one organic compound layer comprises at least a light-emitting layer, wherein at least one of the at least one organic compound layer comprises at least one compound represented by a particular formula. | 11-29-2012 |