Patent application number | Description | Published |
20080265760 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - It is an object of the present invention to provide an organic light-emitting display device which can be simply produced by a wet process, and exhibit a high efficiency and long serviceability. The present invention provides an organic light-emitting display device having an organic light-emitting layer | 10-30-2008 |
20080309225 | ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - The present invention provides an organic electroluminescent display device of high efficiency and high quality, in which the efficiency for injecting electrons from a reflective cathode is improved. The organic electroluminescent display device includes a substrate, a cathode, an organic layer, and an anode. The cathode is formed above the substrate. The organic layer has a luminescent layer and is formed on the cathode. The anode is formed on the organic layer. Light emitted from the luminescent layer is extracted through the anode. The cathode is composed of an alloy containing aluminum as a main component and as a subcomponent at least one metal of oxides whose Gibbs free energies of formation are greater than that of an aluminum oxide. | 12-18-2008 |
20090015146 | ORGANIC EL DISPLAY DEVICE - The present invention provides a top-emission-type organic EL display device, that is, an organic EL display device which can suppress changes of a threshold voltage and a light emitting start voltage, and the generation of brightness irregularities. The organic EL display device includes lower electrodes arranged on a main surface of an element substrate, a multi-layered organic EL layer arranged on the lower electrodes, and a light transmitting upper electrode arranged on the organic EL layer. A layer in contact with the lower electrode of the organic EL layer forms a hole injection layer constituted of a V | 01-15-2009 |
20090153449 | PICTURE IMAGE DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device including: a display portion with gate lines to which scanning signals are fed, a plurality of data lines to which picture image signals are fed, wherein the gate lines and data lines are crossed with each other in a matrix shape, TFTs and OLED elements disposed in regions surrounded by the gate lines and data lines; a scanning line driving circuit which feeds the scanning signals for the gate lines; a data line driving circuit which feeds the picture image signals for the data lines; a display control controller which provides timing control signals to the scanning line driving circuit and the data line driving circuit and further provides the picture image signals to the data line driving circuit; a timing regulation circuit which regulates the timing (clock frequency) of the timing control signals; and a picture image memory which stores the picture image signals. | 06-18-2009 |
20100164377 | Organic Light Emitting Display Apparatus - An object of the present invention is to provide an organic light emitting element having a high efficiency and a high quality in which electron and hole injection efficiency of an electrode is reproduced in an insulated or contaminated first electrode. In an organic light emitting display apparatus, a substrate, a first electrode, an insulation film bank formed so as to cover edges of the first electrode, a metal thin film formed on the first electrode and the insulation film bank, an organic light emitting layer, and a second electrode are disposed in the cited order. A lower part of a side face of the insulation film bank takes a reverse tapered shape. | 07-01-2010 |
20100276687 | ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - To provide an organic electroluminescent display device including an organic electroluminescent layer that can be easily fabricated under an atmosphere containing oxygen and which can achieve high efficiency. An organic electroluminescent display device includes a substrate, an organic electroluminescent layer, an upper electrode and a lower electrode sandwiching therein the organic electroluminescent layer, either one of the upper and lower electrodes being a transparent electrode, and the other being a reflecting electrode, and a charge transport layer disposed between the organic electroluminescent layer and the substrate. The charge transport layer is photo-cured by light with a wavelength longer than that of a near-ultraviolet light. | 11-04-2010 |
20110101401 | ORGANIC LIGHT-EMITTING ELEMENT, METHOD FOR MANUFACTURING THE ORGANIC LIGHT-EMITTING ELEMENT, APPARATUS FOR MANUFACTURING THE ORGANIC LIGHT-EMITTING ELEMENT, AND ORGANIC LIGHT-EMITTING DEVICE USING THE ORGANIC LIGHT-EMITTING ELEMENT - Disclosed is an organic light-emitting display device that comprises a light-emitting layer formable simply by a wet process and has a prolonged service life. Also disclosed is an organic light-emitting device that comprises an upper transparent electrode having a lowered wiring resistance that can lower wiring resistance-derived power consumption. Further disclosed are a method and an apparatus for manufacturing an organic light-emitting element having a prolonged service life. In a first embodiment, an organic light-emitting display device is provided that comprises a moisture capturing layer provided between an upper electrode and a lower electrode. In a second embodiment, an organic light-emitting apparatus is provided that comprises a metal substrate, an organic light-emitting element provided on the metal substrate, and an upper transparent electrode connected electrically to the metal substrate through a contact hole. In a third embodiment, a method for manufacturing an organic light-emitting element comprising a first organic compound including a light-emitting layer and a second organic compound is provided that comprises the steps of forming the first organic compound, heating the first organic compound in vacuo, and forming the second organic compound. | 05-05-2011 |
20110175066 | ORGANIC LUMINESCENT MATERIALS, COATING SOLUTION USING SAME FOR ORGANIC EMITTING LAYER, ORGANIC LIGHT EMITTING DEVICE USING COATING SOLUTION AND LIGHT SOURCE DEVICE USING ORGANIC LIGHT EMITTING DEVICE - It is an object of the present invention to provide an organic light-emitting device which can emit white light by easily controlling dopant concentrations. The organic light-emitting device has a first electrode ( | 07-21-2011 |
20130048974 | ORGANIC LUMINESCENT MATERIALS, COATING SOLUTION USING SAME FOR ORGANIC EMITTING LAYER, ORGANIC LIGHT EMITTING DEVICE USING COATING SOLUTION AND LIGHT SOURCE DEVICE USING ORGANIC LIGHT EMITTING DEVICE - It is an object of the present invention to provide an organic light-emitting device which can emit white light by easily controlling dopant concentrations. The organic light-emitting device has a first electrode ( | 02-28-2013 |
20130153881 | ORGANIC LIGHT-EMITTING DEVICES AND LIGHT SOURCE SYSTEMS - The present invention provides an organic light-emitting device including a first electrode ( | 06-20-2013 |
20130221337 | ORGANIC LUMINESCENT MATERIALS, COATING SOLUTION USING ORGANIC LUMINESCENT MATERIALS FOR ORGANIC EMITTING LAYER, ORGANIC LIGHT EMITTING DEVICE USING COATING SOLUTION, LIGHT SOURCE DEVICE USING ORGANIC LIGHT EMITTING DEVICE AND METHOD OF ORGANIC LIGHT EMITTING DEVICE - The objects of the present invention are to provide an organic luminescent material capable of being easily controlled for dopant concentrations. The present invention is characterized in that a organic light-emitting device comprising a upper electrode, a lower electrode; and a light-emitting layer positioned between the upper electrode and the lower electrode, wherein the light-emitting layer contains a host, a first dopant and a second dopant, the first dopant is a blue-light-emitting dopant or a green-light-emitting dopant, the first dopant has a first functional group, and the first functional group makes the first dopant transfer toward the surface of the light-emitting layer on the upper electrode side in the light-emitting layer. | 08-29-2013 |
20130277662 | ORGANIC LIGHT-EMITTING DEVICE, LIGHT SOURCE DEVICE USING SAME, ORGANIC LIGHT-EMITTING LAYER MATERIAL, COATING LIQUID FOR FORMING ORGANIC LIGHT-EMITTING LAYER, AND METHOD FOR PRODUCING ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between these electrodes. The organic layer is a laminate of a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer. The light-emitting layer includes a host and a first dopant. The hole transport layer includes a hole transporting material, and the electron transport layer includes an electron transporting material. The hole transporting material and the electron transporting material have functional groups. The first dopant in the light-emitting layer has a functional group, and is concentrated on the side of the light-emitting layer in contact with the hole transport layer or the electron transport layer. | 10-24-2013 |
20130299788 | ORGANIC LIGHT-EMITTING DEVICE, COATING LIQUID FOR FORMING ORGANIC LIGHT-EMITTING DEVICE, MATERIAL FOR FORMING ORGANIC LIGHT-EMITTING DEVICE, LIGHT SOURCE DEVICE USING ORGANIC LIGHT-EMITTING DEVICE, AND ORGANIC LIGHT-EMITTING DEVICE PRODUCING METHOD - An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between the lower electrode and the upper electrode, the organic layer including a charge transport layer and a mixed layer in contact with the charge transport layer, the mixed layer including a host, a first dopant, and a charge transporting material, the first dopant including a first functional group, the charge transporting material including a second functional group, the first dopant being drawn to a charge transport layer contact surface where the mixed layer is in contact with the charge transport layer, and the charge transporting material being drawn to the mixed layer surface other than the charge transport layer contact surface. With the present invention, the concentrations of the molecules contained in the mixed layer of the light-emitting layer and the charge transport layer can be easily controlled. | 11-14-2013 |
20130313537 | Organic Light-Emitting Element, Method for Manufacturing the Organic Light-Emitting Element, Apparatus for Manufacturing the Organic Light-Emitting Element, and Organic Light-Emitting Device Using the Organic Light-Emitting Element - An organic light-emitting display device is provided that has prolonged service life, lowered wiring resistance that can lower power consumption, and that is easy to manufacture. In a first embodiment, a moisture capturing layer is provided between an upper electrode and a lower electrode. A second embodiment includes a metal substrate, an organic light-emitting element on the substrate and an upper transparent electrode connected to the substrate through a contact hole. In a third embodiment, a method is provided for forming a first organic compound including a light-emitting layer, heating the first organic compound in vacuo, and forming a second organic compound. | 11-28-2013 |
20140203265 | ORGANIC LUMINESCENT MATERIALS, COATING SOLUTION USING SAME FOR ORGANIC - It is an object of the present invention to provide an organic light-emitting device which can emit white light by easily controlling dopant concentrations. The organic light-emitting device has a first electrode ( | 07-24-2014 |