Abstract: There is provided a composition including a first polymer compound having a photoreactive functional group, a second polymer compound, and an ultraviolet absorber having a benzotriazole skeleton, wherein a content of the ultraviolet absorber is less than 20 parts by mass per 100 parts by mass of a total of the first polymer compound and the second polymer compound.

Abstract: A liquid crystal display device includes an element substrate, a counter substrate, a liquid crystal layer sandwiched between the element substrate and the counter substrate, reflective electrodes placed on a surface of the element substrate that is located on the liquid crystal layer side, and a pair of alignment films each of which is placed on a corresponding one of a surface of the element substrate that is located on the liquid crystal layer side and a surface of the counter substrate that is located on the liquid crystal layer side. A liquid crystal composition contained in the liquid crystal layer contains a compound containing an alkoxy group. The alignment films contain a polymer including polyimide. The polyimide is derived from a polyamic acid and contains a side chain represented by Formula (1).

Abstract: The present invention is a liquid crystal display device including a liquid crystal layer containing a liquid crystal material, a sealing member surrounding the liquid crystal layer in a plan view, a pair of substrates sandwiching the liquid crystal layer, and an alignment control layer being in contact with the liquid crystal layer in a region surrounded by the sealing member in a plan view. The alignment control layer aligns a liquid crystal compound in the liquid crystal material in a direction horizontal to faces of the substrates, and contains a polymer formed by polymerization of at least one monomer, and the at least one monomer contains a monomer represented by the following Chemical formula (1): wherein at least one hydrogen atom of the phenylene group may be the same or different and may be substituted with a halogen atom, a methyl group, an ethyl group, or a propyl group.

Abstract: A liquid crystal cell 10A according to the present invention includes: a pair of substrates 11 and 12 facing each other and having alignment films 11a and 12a formed on surfaces of the substrates, respectively, the surfaces facing each other; and a liquid crystal layer LC interposed between the substrates 11 and 12. The alignment films 11a and 12a contain a polymer for alignment films which has a hydrazide functional group represented by Chemical Formula (1).

Abstract: A liquid crystal display device includes an element substrate, a counter substrate, a liquid crystal layer sandwiched between the element substrate and the counter substrate, reflective electrodes placed on a surface of the element substrate that is located on the liquid crystal layer side, and a pair of alignment films each of which is placed on a corresponding one of a surface of the element substrate that is located on the liquid crystal layer side and a surface of the counter substrate that is located on the liquid crystal layer side. A liquid crystal composition contained in the liquid crystal layer contains a compound containing an alkoxy group. The alignment films contain a polymer including polyimide. The polyimide is derived from a polyamic acid and contains a side chain represented by Formula (1).

Abstract: A liquid crystal cell 10A according to the present invention includes: a pair of substrates 11 and 12 facing each other and having alignment films 11a and 12a formed on surfaces of the substrates, respectively, the surfaces facing each other; and a liquid crystal layer LC interposed between the substrates 11 and 12. The alignment films 11a and 12a contain a polymer for alignment films which has a hydrazide functional group represented by Chemical Formula (1).

Abstract: The present invention is a liquid crystal display device including a liquid crystal layer containing a liquid crystal material, a sealing member surrounding the liquid crystal layer in a plan view, a pair of substrates sandwiching the liquid crystal layer, and an alignment control layer being in contact with the liquid crystal layer in a region surrounded by the sealing member in a plan view. The alignment control layer aligns a liquid crystal compound in the liquid crystal material in a direction horizontal to faces of the substrates, and contains a polymer formed by polymerization of at least one monomer, and the at least one monomer contains a monomer represented by the following Chemical formula (1): wherein at least one hydrogen atom of the phenylene group may be the same or different and may be substituted with a halogen atom, a methyl group, an ethyl group, or a propyl group.

Abstract: There is provided a composition including a first polymer compound having a photoreactive functional group, a second polymer compound, and an ultraviolet absorber having a benzotriazole skeleton, wherein a content of the ultraviolet absorber is less than 20 parts by mass per 100 parts by mass of a total of the first polymer compound and the second polymer compound.

Abstract: A liquid crystal display at least including: a pair of substrates constituted by one substrate and another substrate, an electrode and an alignment film formed in this order on each of the pair of substrates, and a liquid crystal layer held between the alignment films, wherein the alignment films include a polymer, and the electrode formed on the one substrate has a multilayered structure in which an aluminum film and a transparent electroconductive film are stacked in this order from the one substrate.

Abstract: A composition contains a first polyamic acid and a second polyamic acid. The first polyamic acid has at least one of a photoreactive functional group and a vertical alignment group. The second polyamic acid has a repeat unit that has a pendant alkoxysilyl group.

Abstract: The present invention provides a liquid crystal display device that includes: a pair of substrates; a liquid crystal layer held between the substrates; and an alignment film disposed on a liquid crystal layer side surface of at least one of the substrates, the liquid crystal layer containing a liquid crystal material that has a nematic-isotropic phase transition temperature of 75° C. or lower and a nematic phase temperature range narrower than 100° C., the alignment film containing a first polymer and a second polymer, the first polymer having in its main chain at least one selected from a polyamic acid structure and a polyimide structure or a polysiloxane structure, the second polymer being obtained by polymerizing at least one monomer including at least one monomer containing an azobenzene group.

Abstract: The present invention provides a liquid crystal display device that includes: a pair of substrates; a liquid crystal layer held between the substrates; and an alignment film disposed on a liquid crystal layer side surface of at least one of the substrates, the liquid crystal layer containing a liquid crystal material that has a nematic-isotropic phase transition temperature of 75° C. or lower and a nematic phase temperature range narrower than 100° C., the alignment film containing a first polymer and a second polymer, the first polymer having in its main chain at least one selected from a polyamic acid structure and a polyimide structure or a polysiloxane structure, the second polymer being obtained by polymerizing at least one monomer including at least one monomer containing a chalcone group.

Abstract: A manufacturing method of white-light emitting elements that is one example of the present invention is a manufacturing method of a white-light emitting element with the light emitting diode chip covered with the fluorescent-body-containing resin member that has been formed with the fluorescent-body-containing resin material containing a resin and fluorescent bodies, and includes: an irradiating step of irradiating the fluorescent-body-containing resin material with the blue laser beam; a measuring step of measuring the fluorescence strength of the fluorescence light emission from the fluorescent bodies that have been excited by the blue laser beam with which the irradiation has been carried out; and an applying step of applying, to the light emitting diode chip, a quantity of the fluorescent-body-containing resin material, the quantity being based on the fluorescence strength that has been measured.

Abstract: When bump electrodes 26 of a semiconductor light-emitting element 2 and electrode portions 21 of a mounting board 3 are joined to each other, power is supplied to the electrode portions 21 of the mounting board 3 to allow the semiconductor light-emitting element 2 to emit light, the optical properties of the semiconductor light-emitting element 2 having emitted light are detected, and the detected value of optical properties is processed to obtain the joining state of the bump electrodes 26 of the semiconductor light-emitting element 2 and the electrode portions 21 of the mounting board 3, so that the completion of joining is determined. Thus, the semiconductor light-emitting element can be satisfactorily joined to the electrode portions on the mounting board via the metal electrodes formed on the semiconductor light-emitting element.

Abstract: A manufacturing method of white-light emitting elements that is one example of the present invention is a manufacturing method of a white-light emitting element with the light emitting diode chip covered with the fluorescent-body-containing resin member that has been formed with the fluorescent-body-containing resin material containing a resin and fluorescent bodies, and includes: an irradiating step of irradiating the fluorescent-body-containing resin material with the blue laser beam; a measuring step of measuring the fluorescence strength of the fluorescence light emission from the fluorescent bodies that have been excited by the blue laser beam with which the irradiation has been carried out; and an applying step of applying, to the light emitting diode chip, a quantity of the fluorescent-body-containing resin material, the quantity being based on the fluorescence strength that has been measured.

Abstract: A device for resin coating is used for producing an LED package including an LED element covered with resin containing phosphor. In a state in which a trial coating material 43 is located by a clamp unit 63, a trial coating of resin applied to the trial coating material 43 is irradiated with excitation light and light emitted from the phosphor contained in the resin is measured by an emission characteristic measuring unit 39. A deviation of the measurement result of the emission characteristic measuring unit from a prescribed emission characteristic is determined, and then a proper amount of resin to be applied to the LED element is derived for actual production based on the deviation.

Abstract: A device for resin coating is used for producing an LED package including an LED element covered with resin containing phosphor. In a state in which a trial coating material 43 is located by a clamp unit 63, a trial coating of resin applied to the trial coating material 43 is irradiated with excitation light and light emitted from the phosphor contained in the resin is measured by an emission characteristic measuring unit 39. A deviation of the measurement result of the emission characteristic measuring unit from a prescribed emission characteristic is determined, and then a proper amount of resin to be applied to the LED element is derived for actual production based on the deviation.

Abstract: When bump electrodes 26 of a semiconductor light emitting element 2 and electrode portions 21 of a mounting board 3 are joined to each other, power is supplied to the electrode portions 21 of the mounting board 3 to allow the semiconductor light emitting element 2 to emit light, the optical properties of the semiconductor light emitting element 2 having emitted light are detected, and the detected value of optical properties is processed to obtain the joining state of the bump electrodes 26 of the semiconductor light emitting element 2 and the electrode portions 21 of the mounting board 3, so that the completion of joining is determined. Thus, the semiconductor light emitting element can be satisfactorily joined to the electrode portions on the mounting board via the metal electrodes formed on the semiconductor light emitting element.

Abstract: The present invention of a manufacturing method and a apparatus for manufacturing an image pickup device integrated with lens in which a lens holding part having an optical lens is automatically adjusted with respect to a package on which an imaging chip is mounted so that an optical image from an optical axis adjusting pattern is formed on the image plane of the imaging chip and the lens holding part and the package are fixed to each other with an adhesive used therebetween as a position adjusting member at the adjusted position, and an image pickup device integrated with lens thus manufactured having excellent properties.

Abstract: A method for positioning seamed balls each having an endless curved seam line, comprising steps of: supporting each ball to locate its center at an origin of a three-dimensional orthogonal coordinate consisting of two horizontal axes X, Y and one vertical axis Z; rotating the ball on at least one of the axes X, Y until an optical sensor disposed on the axis Z specifies such a particular locus that intersects the seam line at four points during one full rotation of the ball to provide four arcs along the locus; finding the shortest arc among the four and locating its mid point on the axis Z by rotating the ball on the axis X; rotating the ball on the axis Y so that an intersection of a bisector and a part of the seam line is located on the axis Z; and rotating the ball on the axis Y until a hip center of the ball is located on the axis Z.