Abstract: The light control element includes: a plurality of first electrodes having translucency and arranged in parallel to each other, each of the plurality of first electrodes being rectangular and a first electrode; a plurality of second electrodes arranged in parallel to each other and facing the plurality of first electrodes, each of the plurality of second electrodes being rectangular and a second electrode; and an electrolytic solution containing metal and disposed between the plurality of first electrodes and the plurality of second electrodes. The electrolytic solution deposits the metal on any one of the plurality of first electrodes and the plurality of second electrodes in accordance with an applied voltage. At least one of the first electrode and the second electrode has a resistance value higher at the end in a width direction than at a central position in the width direction.

Abstract: An electrochromic device includes: a first electrode which transmits light; a second electrode disposed opposite the first electrode; an electrolyte located between the first electrode and the second electrode, and containing metal depositable on one of the first electrode and the second electrode, according to a potential difference between the first electrode and the second electrode; a driver which applies a predetermined potential to a target electrode which is at least one of the first electrode and the second electrode; and a controller which changes a potential application portion of the target electrode to which the predetermined potential is applied, in a potential application period during which the predetermined potential is applied.

Abstract: An electrochromic element includes: a first electrode which transmits light; a second electrode disposed opposite the first electrode; and an electrolyte containing metal and located between the first electrode and the second electrode. The metal is depositable on one of the first electrode and the second electrode, according to a voltage applied between the first electrode and the second electrode, and a second deposition voltage at which deposition of the metal on the second electrode starts is higher than a first deposition voltage at which deposition of the metal on the first electrode starts.

Abstract: Provided are a production method of a mold having a recessed pattern, and a manufacturing method of a pattern sheet having good accuracy and excellent productivity. The production method of a mold includes: a step of preparing an electroform having a protruding pattern and a mold having a first mold and a second mold forming a cavity; a step of fixing the electroform excluding an end portion of the electroform to the first mold; a clamping step of clamping the electroform excluding the end portion of the electroform and a region of the protruding pattern between the first mold and the second mold to form the cavity; and an injection step of filling the cavity with a resin.

Abstract: A production method of a mold includes: preparing a plate precursor having a protruding pattern formed of protrusions in a pattern presence region on a base, and a thermoplastic resin sheet; determining a position at which the plate precursor is to be pressed against the thermoplastic resin sheet by moving the plate precursor and the thermoplastic resin sheet relative to each other; and forming a recessed pattern on the thermoplastic resin sheet by pressing the protrusions of the plate precursor which is heated against the thermoplastic resin sheet at a position where a part of the pattern presence region of the plate precursor excluding the protrusions is separated from a surface of the thermoplastic resin sheet, cooling the plate precursor in a state in where the pressed protrusions and the thermoplastic resin sheet are in contact with each other, and separating the plate precursor from the thermoplastic resin sheet.

Abstract: A method of manufacturing a needle-like array sheet includes supplying a first needle-like array-forming solution consisting of an aqueous solution on a first mold having a first recess; interrupting drying in a wet state and forming a needle-like distal end part; supplying a second needle-like array-forming solution consisting of an aqueous solution on a second mold having a second recess; peeling a sheet part molding product, which is dried and solidified and has a protrusion corresponding to the second recess, after the sheet part molding product is formed; inserting the protrusion of the sheet part molding product into the first recess of the first mold; drying and solidifying the needle-like distal end part and the sheet part molding product after inserting the protrusion, bonding the needle-like distal end part and the protrusion of the sheet part molding product together, and forming a needle-like array sheet having the needle-like array.

Abstract: There is provided a display device having an electrochromic element placed in the display device. The electrochromic element has: a light transmittance of 70% or more and a light reflectance of 20% or less at a central wavelength of a visible spectrum when in a transparent state; and a light reflectance of 65% or more at the central wavelength of the visible spectrum when in a mirror state. By this, the display device is not only highly effective in terms of light-shielding, heat blocking, screening, etc., but is also switchable between a transmissive type and a reflective type.

Abstract: Provided is a method of producing a transdermal absorption sheet using an electroforming mold. A method of manufacturing an electroforming mold includes preparing a mold which is a matrix having a recessed pattern, immersing the mold in a degassed pretreatment liquid stored in a pretreatment liquid tank, then applying ultrasound waves generated from an ultrasound oscillator to the recessed pattern of the mold, and filling recessed portions constituting the recessed pattern with the pretreatment liquid. By immersing the mold in an electroforming tank and performing an electroforming treatment, an electroforming mold is manufactured. A mold having a recessed pattern is manufactured from the electroforming mold and a transdermal absorption sheet is produced using the mold.

Abstract: A method for manufacturing a member to be treated includes: a first bonding step of bonding a member to be treated containing metal oxide and a first support to each other with a first adhesive layer; a first surface processing step of forming a first processed surface on the member to be treated; a first surface contact step of bringing a support having adhesiveness, an adsorption support which adsorbs the member to be treated, or a second adhesive layer, into contact with the first processed surface; a second bonding step of bonding the member to be treated and a second support with the second adhesive layer; and a second surface processing step of forming a second processed surface on a rear surface of the first processed surface of the member to be treated. In a case where the support having adhesiveness or the adsorption support and the first processed surface are in contact with each other, the support having adhesiveness or the adsorption support is removed in the first surface contact step.

Abstract: Provided are a production method of a mold having a recessed pattern, and a manufacturing method of a pattern sheet having good accuracy and excellent productivity. The production method of a mold includes: a step of preparing an electroform having a protruding pattern and a mold having a first mold and a second mold forming a cavity; a step of fixing the electroform excluding an end portion of the electroform to the first mold; a clamping step of clamping the electroform excluding the end portion of the electroform and a region of the protruding pattern between the first mold and the second mold to form the cavity; and an injection step of filling the cavity with a resin.

Abstract: There is provided a method capable of manufacturing a mold at low cost, and a method of manufacturing a biocompatible pattern sheet by using the mold. The method of manufacturing a mold having a recessed pattern includes the steps of: forming a silicone resin film by applying a silicone resin solution to a surface of a model having a protrusion pattern; defoaming the silicone resin film by reducing the silicone resin film in pressure; forming the mold by heating and curing the silicone resin film while a base plate is in contact with a face of the silicone resin film, the face being opposite to the model; and releasing the mold from the model after releasing the base plate. The method of manufacturing a pattern sheet uses the mold.

Abstract: An electrochromic device includes: a first electrode which transmits light; a second electrode disposed opposite the first electrode; an electrolyte located between the first electrode and the second electrode, and containing metal depositable on one of the first electrode and the second electrode, according to a potential difference between the first electrode and the second electrode; a driver which applies a predetermined potential to a target electrode which is at least one of the first electrode and the second electrode; and a controller which changes a potential application portion of the target electrode to which the predetermined potential is applied, in a potential application period during which the predetermined potential is applied.

Abstract: An electrochromic element includes: a first electrode which transmits light; a second electrode disposed opposite the first electrode; and an electrolyte containing metal and located between the first electrode and the second electrode. The metal is depositable on one of the first electrode and the second electrode, according to a voltage applied between the first electrode and the second electrode, and a second deposition voltage at which deposition of the metal on the second electrode starts is higher than a first deposition voltage at which deposition of the metal on the first electrode starts.

Abstract: Provided is a manufacturing method of a pattern sheet having excellent productivity at low costs. The manufacturing method of a pattern sheet includes: a process of producing, using a plate precursor having a protruding pattern formed thereon, a plurality of first molds having a recessed shape, which is an inverted shape of the protruding pattern, from a resin; a process of producing a plurality of metallic electroforms having the protruding pattern formed thereon by electroforming using the first mold; a process of producing a plurality of second molds having a recessed shape, which is an inverted shape of the protruding pattern, from a resin using the electroform; and a process of producing pattern sheets and having a protruding pattern formed thereon using the second mold.

Abstract: A method is provided which enables a drug to be concentrated at needle-like protruding portions and which further allows transdermal-absorption sheets to be manufactured at high production efficiency. The method repeats a step of feeding a drug-containing solution from a liquid feeding apparatus to a mold and filling needle-like recessed portions with the drug-containing solution through a nozzle aligned over the needle-like recessed portions in a state where the nozzle and a front surface of the mold are brought into contact with each other, and a step of moving the liquid feeding apparatus relative to the mold in a state where the nozzle and the front surface of the mold are brought into contact with each other. Thus, the two-dimensionally arranged needle-like recessed portions are filled with the drug-containing solution.

Abstract: Provided is a method of producing a transdermal absorption sheet using an electroforming mold. A method of manufacturing an electroforming mold includes preparing a mold which is a matrix having a recessed pattern, immersing the mold in a degassed pretreatment liquid stored in a pretreatment liquid tank, then applying ultrasound waves generated from an ultrasound oscillator to the recessed pattern of the mold, and filling recessed portions constituting the recessed pattern with the pretreatment liquid. By immersing the mold in an electroforming tank and performing an electroforming treatment, an electroforming mold is manufactured. A mold having a recessed pattern is manufactured from the electroforming mold and a transdermal absorption sheet is produced using the mold.

Abstract: A production method of a mold includes: preparing a plate precursor having a protruding pattern formed of protrusions in a pattern presence region on a base, and a thermoplastic resin sheet; determining a position at which the plate precursor is to be pressed against the thermoplastic resin sheet by moving the plate precursor and the thermoplastic resin sheet relative to each other; and forming a recessed pattern on the thermoplastic resin sheet by pressing the protrusions of the plate precursor which is heated against the thermoplastic resin sheet at a position where a part of the pattern presence region of the plate precursor excluding the protrusions is separated from a surface of the thermoplastic resin sheet, cooling the plate precursor in a state in where the pressed protrusions and the thermoplastic resin sheet are in contact with each other, and separating the plate precursor from the thermoplastic resin sheet.

Abstract: A molding compact for forming a transdermal absorption sheet on which a needle-shaped protruding part is arranged is a molding compact that is a laminate of: a first member having a needle-shaped recessed part formed on a front surface thereof, the needle-shaped recessed part being an inverse of the needle-shaped protruding part; a second member provided on a back surface of the first member, the second member being composed of a waterproof and moisture-permeable material; and a third member provided on a back surface of the second member, the third member being composed of a rigid body. Provided are a molding compact that makes it possible to prevent leakage of a drug-containing solution filled into the needle-shaped recessed part, and a manufacturing method for a transdermal absorption sheet using the molding compact.

Abstract: A method of manufacturing a needle-like array sheet includes supplying a first needle-like array-forming solution consisting of an aqueous solution on a first mold having a first recess; interrupting drying in a wet state and forming a needle-like distal end part; supplying a second needle-like array-forming solution consisting of an aqueous solution on a second mold having a second recess; peeling a sheet part molding product, which is dried and solidified and has a protrusion corresponding to the second recess, after the sheet part molding product is formed; inserting the protrusion of the sheet part molding product into the first recess of the first mold; drying and solidifying the needle-like distal end part and the sheet part molding product after inserting the protrusion, bonding the needle-like distal end part and the protrusion of the sheet part molding product together, and forming a needle-like array sheet having the needle-like array.

Abstract: There is provided a method capable of manufacturing a mold at low cost, and a method of manufacturing a biocompatible pattern sheet by using the mold. The method of manufacturing a mold having a recessed pattern includes the steps of: forming a silicone resin film by applying a silicone resin solution to a surface of a model having a protrusion pattern; defoaming the silicone resin film by reducing the silicone resin film in pressure; forming the mold by heating and curing the silicone resin film while a base plate is in contact with a face of the silicone resin film, the face being opposite to the model; and releasing the mold from the model after releasing the base plate. The method of manufacturing a pattern sheet uses the mold.