Abstract: A conductive pattern formation ink capable of forming a conductive pattern having high reliability, a conductive pattern having high reliability, a method of forming a conductive pattern having high reliability, and a wiring substrate provided with the conductive pattern and having high reliability are provided. The conductive pattern formation ink is used for forming a conductive pattern by ejecting the ink from a liquid droplet ejection head on a surface of a ceramic molded body made of a material containing ceramic particles and a binder, the liquid droplet ejection head having ejection portions for ejecting the ink in the form of liquid droplets and an ejection surface on which the ejection portions open.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method, includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; sugar alcohol derived from a disaccharide; and a polyglycerol compound having a polyglycerol skeleton. H shown in the following formula (I) is 0.10 to 0.80.

Abstract: A conductive pattern formation ink capable of forming a conductive pattern while preventing occurrence of disconnection thereof due to thermal expansion of a ceramic molded body, a conductive pattern having high reliability, and a wiring substrate provided with the conductive pattern and having high reliability are provided. The conductive pattern formation ink is used for forming a conductive pattern on a ceramic sintered body, wherein the ceramic sintered body with the conductive pattern is produced by the steps of applying the ink onto a ceramic molded body to obtain a pre-pattern on the ceramic molded body, and subjecting the ceramic molded body with the pre-pattern to a degreasing and sintering treatment.

Abstract: A conductive pattern formation ink which can be stably ejected from a liquid droplet ejection head, a conductive pattern having high reliability, and a wiring substrate provided with the conductive pattern and having high reliability are provided. The conductive pattern formation ink is used for forming a conductive pattern on a base member using a liquid droplet ejecting method and comprised of a dispersion solution. The dispersion solution includes a water-based dispersion medium, metal particles dispersed in the water-based dispersion medium, and a drying suppressant contained in the water-based dispersion medium, the drying suppressant being contained for preventing drying of the dispersion solution.

Abstract: An ink composition includes a conductive fine particle, a dispersion medium in which the conductive fine particle is dispersed, and a combustion substance that starts a combustion reaction by receiving light.

Abstract: Aspects of the invention can provide a patterning forming method capable of patterning a thin film by a simple and inexpensive device. The thin film can be provided on a base member including a photothermal conversion material that converts optical energy into thermal energy and light is radiated onto the base member to remove the thin film corresponding to a light-radiated region, such that the thin film is patterned.

Abstract: A patterned substrate has a laminated pattern having laminating patterns formed by drying droplets containing a pattern formation material. A lower layer pattern contains a surfactant that is lyophilic with respect to droplets that form an upper layer pattern.

Abstract: A conductive pattern formation ink capable of producing a conductive pattern with reduced likelihood of generation of cracks, a conductive pattern which is small in the number of cracks generated, low in specific resistance and superior in high-frequency characteristics, and a wiring substrate provided with the conductive pattern which is small in the number of cracks generated, low in specific resistance and superior in high-frequency characteristics are provided. The conductive pattern formation ink is used for forming a conductive pattern on a base member by patterning and comprised of a dispersion solution. The dispersion solution includes a solvent, metal particles dispersed in the solvent, and an anti-cracking agent contained in the solvent, wherein the anti-cracking agent is contained for preventing generation of cracks in the conductive pattern during desolvation of the solvent.

Abstract: An organic electroluminescent device, comprising an anode; a cathode; and a light-emitting functional portion sandwiched between the anode and the cathode, the light-emitting functional portion including a light-emitting part, an electron injection and transport part, and a hole injection and transport part; the anode being in contact with a titanium oxide particle thin layer.

Abstract: A method for manufacturing an electro-optical device in which thin film layers are formed by drying droplets containing a thin film layer formation material, and these thin film layers are laminated to form a light emitting element, includes mixing lyophilic microparticles that are lyophilic with respect to droplets that form an upper thin film layer into droplets that form a lower thin film layer, and drying the droplets in which these lyophilic microparticles have been mixed to form the lower thin film layer, and then drying the droplets that form the upper thin film layer on the lower thin film layer to laminate the upper thin film layer over the lower thin film layer.

Abstract: A color filter forming method, includes: forming a bank on a substrate; making the substrate and part or all of the bank lyophilic; and coating a liquid repellent on part or all of an upper surface of the bank.

Abstract: A liquid droplet ejection apparatus includes an ejection head having an ejection surface with an ejection outlet for ejecting a droplet of a functional liquid, a first container connected to the ejection head via a flow path to form a first space for containing the functional liquid that is to be supplied to the ejection head, a second container for containing the first container to form a second space between the first and the second containers, a pressure regulator for adjusting a pressure of the second space, and a temperature regulator for adjusting a temperature of the functional liquid of the first container, at least a part of the first container being made of a film deformed in accordance with an operation of the pressure regulator.

Abstract: A method for producing a pattern on a substrate includes discharging a droplet on a top surface of a breathable substrate being heated, the droplet being formed with a functional fluid containing a functional material, so as to produce the pattern on the top surface of the breathable substrate.

Abstract: A pattern forming method successively discharges droplets of a functional fluid including a functional material towards a base substrate and forms a pattern on a surface of the base substrate. The pattern forming method comprises heating a surface of the base substrate to a surface temperature equal to or more than a temperature of the functional fluid during discharging and less than a boiling point of a liquid composition included in the functional fluid and, when the base substrate is heated to the surface temperature, discharging the droplets of the functional fluid onto the base substrate and forming a pattern.

Abstract: A patterned substrate includes a laminated pattern having laminated patterns that are formed by drying droplets containing a pattern formation material. A lower layer pattern contains lyophilic microparticles that are lyophilic with respect to droplets that form an upper layer pattern.

Abstract: A method of manufacturing a microlens having a convex shape on a substrate includes: a step of providing a first droplet on the substrate, a step of forming a first convex portion by drying the first droplet so as to solidify the first droplet, a step of providing a second droplet of a lens material in a concave area that is placed at a center of the first convex portion and a step of forming a second convex portion by curing the second droplet.

Abstract: An ink composition includes a metal microparticle, a dispersion medium having water as a main ingredient, a dispersant for dispersing the metal microparticle into the dispersion medium, and a water-soluble polyhydric alcohol that is trivalent to hexavalent and solid under normal conditions, and whose concentration is 5 to 20 weight % relative to a total weight of the ink composition.

Abstract: An ink cartridge filled with an ink added with an infrared absorption material with a function of absorbing an infrared ray to distinguish the ink from another ink of a same color, the ink cartridge used in a loaded state where the ink cartridge is loaded into a printing apparatus for performing printing, the ink cartridge includes an ink supplying system including a storage portion for storing the ink, an outlet for supplying the ink to the printing apparatus in the loaded state, and a flow path for guiding the ink from the storage portion to the outlet, a light emitter, a sensor including a light receiver disposed in opposition to the light emitter with the ink supplying system intervened therebetween, the light receiver for receiving transmitted light resulting from transmission of emitted light from the light emitter through the ink supplying system, and an ink cartridge-side terminal electrically connected to the sensor, coming in contact with an apparatus-side terminal provided to the printing apparatus

Abstract: An ink cartridge that is filled with ink and, used with the ink cartridge loaded into a printer includes a reservoir that reserves the ink, an outlet through which the ink is supplied to the printer with the ink cartridge loaded, at least one ink supply system that includes a channel that leads the ink from the reservoir to the outlet, and a sensor that detects whether the channel is filled with the ink or gas, an ink cartridge terminal that is electrically coupled to the sensor and makes contact with a printer terminal disposed on the printer upon loading of the ink cartridge. A detection region of the channel where detection is carried out by the sensor is previously filled with gas with the ink cartridge yet to be used. Whether or not the use of the ink cartridge is proper is determined based on information from the sensor.

Abstract: A method for manufacturing a color filter having a picture element part surrounded by a partition wall and provided in the plural number on a substrate including a step of forming the partition wall that has a lyophobic quality on the substrate, step of forming a lyophilic layer in the picture element part by applying a lyophilic liquid that develops the lyophobic quality to a substantially whole surface of the substrate on which the partition wall is formed all at once and a step of applying a droplet of colorant to the picture element part in which the lyophilic layer is formed.