Abstract: A light-emitting device includes a substrate, pixel electrodes provided on the substrate, a negative electrode facing the pixel electrodes, and a hole injection layer and a luminescent layer that are provided between the pixel electrodes and the negative electrode so as to be laminated, from the substrate side, in that order, wherein an insulating layer having liquid repellency for a hole injection layer-forming material is provided between the adjacent pixel electrodes so as to separate the pixel electrodes from each other and to overlap with the peripheries of the pixel electrodes in plain view, the hole injection layer is provided on the pixel electrodes separated by the insulating layer, and the level of the top surface of the hole injection layer is substantially the same as the level of the top surface of the insulating layer provided on the peripheries of the pixel electrodes.

Abstract: A method of forming an organic layer by using a liquid composition comprising a small molecule organic semiconductor material mixed in a ketone solvent. The liquid composition is deposited on a surface to form the organic layer. The ketone solvent may be an aromatic ketone solvent, such as a tetralone solvent. The organic semiconductor material may be cross-linkable to provide a cross-linked organic layer. The method can be used to make organic electronic devices, such as organic light emitting devices. In another aspect, the liquid composition comprises a small molecule organic semiconductor material mixed in an aromatic ether solvent. Also, provided are liquid compositions which can be used to make organic layers.

Abstract: A device includes a bank, a film disposed in a region surrounded by the bank, and a groove extending along the periphery of the region. A method for forming a film by providing a liquid containing a functional material in a region surrounded by a bank includes forming a groove extending along the periphery of the region, providing the liquid in the region, and drying the liquid to form the film. The film is made of the functional material and is disposed over the groove. A method for manufacturing a device includes forming a film by providing a liquid in a region surrounded by a bank, the film being formed by the film-forming method.

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.

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: To provide a method for producing an organic electroluminescent device having luminescent characteristics of high efficiency and prolonged lifetime and in which the occurrence of defects is suppressed, the organic electroluminescent device, and an electronic apparatus. A method for producing an organic electroluminescent device including a first electrode, a second electrode, and a functional layer disposed between the first electrode and the second electrode, the functional layer including at least a luminescent layer, the method includes the steps of mixing a solvent and a functional material to produce a functional solution; and applying the functional solution to form the functional layer by a wet film formation process, wherein, before the functional solution is produced, the solvent is subjected to dehydration and deoxygenation in order to remove water and oxygen in the solvent.

Abstract: There is provided a method of manufacturing an organic electroluminescence device including a plurality of light-emitting elements, The method of manufacturing an organic electroluminescence device according to Claim 1, wherein the partition wall layer includes a first partition wall layer having openings corresponding to the light-emitting elements and a second partition wall layer which is disposed on the first partition wall layer, and extending so as to follow the gap of the light-emitting elements, and has the groove on the top thereof; the forming the partition wall layer includes forming the first partition wall layer and forming the second partition wall layer on the first partition wall layer such that the first partition wall layer is exposed at the bottom of the groove; and the first partition wall layer is composed of an inorganic material, and the second partition wall layer is composed of an organic material.

Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitation of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.

Abstract: The invention provides an organic electroluminescent device and a method of manufacturing the same which conveniently reduce or suppress the transfer of ionic impurities into a light-emitting layer, and reduce or prevent the light-emitting property in the light-emitting layer from degrading, which promotes life extension. An organic electroluminescent device includes a functional layer having at least a light-emitting layer between a first electrode and a second electrode. At least a part of the functional layer is formed of the inorganic ion exchange material added to the functional material to form the functional layer.

Abstract: A method for manufacturing an organic EL device comprising: 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.

Abstract: An organic electroluminescent apparatus includes a plurality of light-emitting elements each having an organic layer held between a pixel electrode and a counter electrode, and a partition pattern with which the organic layers of the individual light-emitting elements are defined. The partition pattern has a plurality of openings in which the organic layers are respectively provided, the plurality of openings including first openings provided in a peripheral region of a element area, in which the light-emitting elements are arranged, and second openings provided in a region closer to the center of the element area than the region where the first openings are provided. The first openings have larger planar dimensions than those of the second openings.

Abstract: The present invention provides a manufacturing method for forming an organic electro-luminescent device by forming a homogeneous light emitting layer which does not incur the phase separation. The light emitting layer is formed by discharging ink compositions composed of at least two electro-luminescent materials on the substrate following the order which starts with an ink composition which has the fewest number of organic electro-luminescent materials or which is most difficult to be phase separated.

Abstract: Display devices such as EL elements or LED elements, are formed from thin film elements having banks of prescribed height and a thin film layer formed by an ink jet method in areas to be coated that are partitioned by those banks. The banks may be formed of an organic material on a bank formation surface configured of an inorganic material, plasma treatment is performed under conditions that the induction gas is fluorine-based and that fluorine is present excessively, and the areas enclosed by the banks subjected to surface treatment are filled with the liquid thin film material to form the thin film layer or layers.

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: A method for manufacturing an organic EL device comprising: 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.

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: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitating of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.

Abstract: The color filter substrate has a functional region which includes a plurality of colored layers and which functions as a color filter selectively transmitting predetermined color light components and a non-functional region other than the functional region. The method includes discharging, onto a substrate, a liquid material, in which coloring materials constituting the colored layers are dissolved or dispersed into a solvent, with a liquid droplet discharge method. In the discharging of the liquid material, the liquid material is discharged onto the functional region and the liquid material or the solvent is discharged onto the non-functional region. The amount of the solvent discharged onto the non-functional region per unit area is larger than the amount of the solvent discharged onto the functional region per unit area.

Abstract: Display devices such as EL elements or LED elements, are formed from thin film elements having banks of prescribed height and a thin film layer formed by an ink jet method in areas to be coated that are partitioned by those banks. The banks may be formed of an organic material on a bank formation surface configured of an inorganic material, plasma treatment is performed under conditions that the induction gas is fluorine-based and that fluorine is present excessively, and the areas enclosed by the banks subjected to surface treatment are filled with the liquid thin film material to form the thin film layer or layers.

Abstract: In a method of manufacturing an organic EL device by using an ink jet method, a discharge amount of an ink composition for a light emitting layer is made to be greater than a discharge amount of an ink composition for a hole injection/transportation layer, so that a film formation region of the light emitting layer becomes equal to, or greater than, a film formation region of the hole injection/transportation layer.