Fujifilm Corporation

Daisuke Inoue

Tetsu Miyoshi

Shin Ozawa

Yu Isobe

An optical film includes a substrate film and an adhesion-facilitating layer arranged on at least one surface of the substrate film, in which the adhesion-facilitating layer contains a resin, silica particles, and metal oxide particles other than the silica particles; a ratio of a percentage A of an area derived from the metal oxide particles in a total area of a specific lower region to a percentage B of an area derived from the metal oxide particles in a total area of a specific upper region is 1.05 or more; and the surface of the adhesion-facilitating layer opposite to the substrate film side has an arithmetic mean roughness Ra of 10 nm or more and less than 20 nm.

Optical film, laminated film, and touch panel

A conductive laminate includes a first organic film, a fine metal wire arranged on the first organic film, and a second organic film arranged to cover the fine metal wire, in which the fine metal wire includes a blackening layer, an intimate attachment layer, and a metal conductive layer in order from a side of the first organic film, and moisture contents of the first organic film and the second organic film are less than 3.00%.

Conductive laminate, touch panel, and manufacturing method for conductive laminate

Provided is a video audio system including electroacoustic conversion units which include an electroacoustic conversion film having a macromolecular composite piezoelectric body formed by dispersing piezoelectric body particles in a viscoelastic matrix formed of a macromolecular material that is viscoelastic at normal temperature and thin film electrodes respectively laminated on both surfaces of the macromolecular composite piezoelectric body, curve and support the electroacoustic conversion film, and use at least a part of the electroacoustic conversion film as vibration regions and a display device which is a screen or a video display device to which videos are projected, in which at least one of the electroacoustic conversion units is disposed on a rear surface opposite to a surface of the display device on which videos are displayed, the plurality of vibration regions is arranged on the entire rear surface of the display device, and location information of the vibration regions is included in sound data that are input to the electroacoustic conversion units.

Video audio system

Provided are an electroacoustic transduction film and an electroacoustic transducer capable of reproducing a sound with a sufficient sound volume and preventing deterioration of appearance. The electroacoustic transduction film includes: a polymer composite piezoelectric body in which piezoelectric body particles are dispersed in a viscoelastic matrix formed of a polymer material having viscoelasticity at a normal temperature; a lower thin film electrode laminated on one principal surface of the polymer composite piezoelectric body; a lower protective layer laminated on the lower thin film electrode; an upper thin film electrode formed on the other principal surface of the polymer composite piezoelectric body; an upper protective layer laminated on the upper thin film electrode; and a colored layer laminated on at least one of a surface layer side of the upper thin film electrode and a surface layer side of the lower thin film electrode.

Electroacoustic transduction film and electroacoustic transducer

Provided are an electroacoustic transduction film in which conversion between a vibration and a voltage is able to be appropriately performed without the occurrence of dielectric breakdown of the air between upper and lower thin film electrodes even when a high voltage is applied therebetween, a user is able to be prevented from coming into contact with a piezoelectric layer, and high productivity is achieved, and a manufacturing method of an electroacoustic transduction film. A piezoelectric layer which stretches and contracts in response to a state of an electric field, an upper thin film electrode formed on one principal surface of the piezoelectric layer, a lower thin film electrode formed on the other principal surface of the piezoelectric layer, an upper protective layer formed on the upper thin film electrode, and a lower protective layer formed on the lower thin film electrode are included, and a groove which penetrates the thin film electrode and the protective layer is formed in at least a portion of an outer peripheral portion in a surface direction of at least one of the upper thin film electrode and the upper protective layer, or the lower thin film electrode and the lower protective layer.

Growing community of inventors

Ashigarakami-gun, Japan

Daisuke Inoue