Abstract: The present invention provides an organic electroluminescence device capable of having not only a device lifetime comparable to that of an existing organic electroluminescence device but also a small thickness of smaller than 10 ?m and excellent flexibility. The present invention relates to an organic electroluminescence device having a structure including: an anode; a cathode on a substrate; and a laminate of multiple layers between the anode and the cathode, the device having a thickness of smaller than 10 ?m.

Abstract: The present invention provides an organic thin film that imparts an excellent electron injection property and an excellent electron transport property when it is used as an electron injection layer of an organic EL device, a coating composition suitable for producing the organic thin film, and an organic EL device material for the organic thin film and the coating composition.

Abstract: The present invention aims to provide an organic thin film that imparts an excellent electron injection property and an excellent electron transport property when it is used as an electron injection layer of an organic EL device. The present invention relates to an organic thin film, which is a single film containing a first material which is a hexahydropyrimidopyrimidine compound having a structure of the following formula (1) and a second material which transports electrons, or a laminate film including a film containing the first material and a film containing the second material, wherein R1 is an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon group, a group of a combination of two or more of these groups, or a group of a combination of one or more of these groups and a nitrogen atom; and n is an integer of 1 to 4.

Abstract: The present invention provides an organic electroluminescence device capable of having not only a device lifetime comparable to that of an existing organic electroluminescence device but also a small thickness of smaller than 10 ?m and excellent flexibility. The present invention relates to an organic electroluminescence device having a structure including: an anode; a cathode on a substrate; and a laminate of multiple layers between the anode and the cathode, the device having a thickness of smaller than 10 ?m.

Abstract: The present invention provides a light cosmetology or light therapy light-emitting sheet having excellent conformability to the skin and excellent wearing feeling. The present invention relates to a light cosmetology or light therapy organic electroluminescence sheet used in light cosmetology or light therapy application, the organic electroluminescence sheet including an organic electroluminescence device having a structure in which multiple layers are laminated on a sheet-like flexible substrate and having a thickness of 10 to 100 ?m.

Abstract: The present invention provides an organic electroluminescence device having excellent luminous efficiency and excellent luminance. The present invention relates to an organic electroluminescence device including a structure in which a plurality of layers is laminated between an anode and a cathode formed on a substrate; wherein the organic electroluminescence device includes a metal oxide layer between the anode and the cathode; and a nitrogen-containing film layer having an average thickness of not less than 0.1 nm but less than 3 nm adjacent to the metal oxide layer and disposed on an anode side.

Abstract: An organic thin film that imparts an excellent electron injection property when it is used as an electron injection layer of an organic EL device and a method for producing the organic thin film are provided. An organic thin film at least includes: a first material which is an organic material having an acid dissociation constant pKa of 1 or greater; and a second material which transports an electron. The first material is at least one selected from the group consisting of tertiary amines, phosphazene compounds, guanidine compounds, heterocyclic compounds containing an amidine structure, hydrocarbon compounds having a ring structure, and ketone compounds.

Abstract: The present invention provides an organic electroluminescence device having excellent luminous efficiency and excellent luminance. The present invention relates to an organic electroluminescence device including a structure in which a plurality of layers is laminated between an anode and a cathode formed on a substrate; wherein the organic electroluminescence device includes a metal oxide layer between the anode and the cathode; and a nitrogen-containing film layer having an average thickness of not less than 0.1 nm but less than 3 nm adjacent to the metal oxide layer and disposed on an anode side.

Abstract: The present invention aims to provide an organic thin film that imparts an excellent electron injection property when it is used as an electron injection layer of an organic EL device, and a method for producing the organic thin film. The present invention relates to an organic thin film at least including: a first material which is an organic material having an acid dissociation constant pKa of 1 or greater; and a second material which transports an electron, the first material being one or two or more selected from the group consisting of tertiary amines, phosphazene compounds, guanidine compounds, heterocyclic compounds containing an amidine structure, hydrocarbon compounds having a ring structure, and ketone compounds.

Abstract: The present invention aims to provide an organic electroluminescence device that operates successfully without strict sealing. Provided is an organic electroluminescence device having a structure in which a plurality of layers is stacked between an anode and a cathode formed on a substrate, wherein the organic electroluminescence device is sealed to provide a water vapor transmission rate of 10?6 to 10?3 g/m2·day.

Abstract: A manufacturing method for an organic electroluminescent device that includes an effectively optical area including display pixels for display and a dummy area surrounding the effectively optical area, the dummy area including dummy pixels not for display is provided. The manufacturing method includes coating a first composite material on a first portion in the effectively optical area, the first portion corresponding to one of the display pixels, and coating a second composite material separately from the coating of the first composite material, the second composite material being coated on a second portion of the dummy area, the second portion corresponding to one of the dummy pixels, the first composite material including a first organic electroluminescent material that is dissolved or dispersed in a solvent and the second composite material including a second organic electroluminescent material that is dissolved or dispersed in a solvent.

Abstract: A manufacturing method for an organic electroluminescent device that includes an effectively optical area including display pixels for display and a dummy area surrounding the effectively optical area, the dummy area including dummy pixels not for display is provided. The manufacturing method includes coating a first composite material on a first portion in the effectively optical area, the first portion corresponding to one of the display pixels, and coating a second composite material separately from the coating of the first composite material, the second composite material being coated on a second portion of the dummy area, the second portion corresponding to one of the dummy pixels, the first composite material including a first organic electroluminescent material that is dissolved or dispersed in a solvent and the second composite material including a second organic electroluminescent material that is dissolved or dispersed in a solvent.

Abstract: A manufacturing method for an organic electroluminescent device that includes an effectively optical area including display pixels for display and a dummy area surrounding the effectively optical area, the dummy area including dummy pixels not for display is provided. The manufacturing method includes coating a first composite material on a first portion in the effectively optical area, the first portion corresponding to one of the display pixels, and coating a second composite material separately from the coating of the first composite material, the second composite material being coated on a second portion of the dummy area, the second portion corresponding to one of the dummy pixels, the first composite material including a first organic electroluminescent material that is dissolved or dispersed in a solvent and the second composite material including a second organic electroluminescent material that is dissolved or dispersed in a solvent.

Abstract: A manufacturing method for an organic electroluminescent device that includes an effectively optical area including display pixels for display and a dummy area surrounding the effectively optical area, the dummy area including dummy pixels not for display is provided. The manufacturing method includes coating a first composite material on a first portion in the effectively optical area, the first portion corresponding to one of the display pixels, and coating a second composite material separately from the coating of the first composite material, the second composite material being coated on a second portion of the dummy area, the second portion corresponding to one of the dummy pixels, the first composite material including a first organic electroluminescent material that is dissolved or dispersed in a solvent and the second composite material including a second organic electroluminescent material that is dissolved or dispersed in a solvent.

Abstract: A manufacturing method is provided for an organic electroluminescent device that includes an effectively optical area including display pixels for display; and a dummy area surrounding the effectively optical area, the dummy area including dummy pixels not for display. The manufacturing method includes forming organic electroluminescent layers in the display pixels and in the dummy pixels by vapor depositing an organic electroluminescent material using a mask.

Abstract: An organic electronic device includes: a pair of electrodes, an organic film layer containing an organic substance having a benzothiadiazole skeleton, a metal oxide layer provided on the organic film layer by vacuum vapor deposition, and an interface formed between the pair of electrodes out of the organic film layer and the metal oxide layer.

Abstract: An organic electroluminescent device that includes an effectively optical area including display pixels for display and a dummy area surrounding the effectively optical area, the dummy area including dummy pixels not for display. The device includes a first composite material on the first portion in the effectively optical area, the first portion corresponding to one of the display pixels, and a second composite material separate from the first composite material, the second composite material being coated on a second portion of the dummy area, the second portion corresponding to one of the dummy pixels, the first composite material including a first organic electroluminescent material that is dissolved or dispersed in a solvent and the second composite material including a second organic electroluminescent material that is dissolved or dispersed in a solvent.

Abstract: An organic electroluminescent device including an organic thin-film transistor element having at least an active layer made of an organic material; and an organic electroluminescent element driven by the organic thin-film transistor element.

Abstract: An organic electroluminescent device including an organic thin-film transistor element having at least an active layer made of an organic material; and an organic electroluminescent element driven by the organic thin-film transistor element.

Abstract: A method for manufacturing an organic EL device in accordance with the invention includes: coating a composition including an organic EL material on a plurality of electrodes to form an organic EL layer on each electrode; defining an effectively optical area in which the plurality of electrodes are formed; and defining a coating area which is broader than the effectively optical area, on which the composition including an organic EL material is to be coated. According to this method, a uniform display device without uneven luminance and uneven chrominance within a pixel or among a plurality of pixels in the effectively optical area can be obtained.