Sharp Kabushiki Kaisha Corporation

Toru Kanno

Tsuyoshi Maeda

Emi Yamamoto

Tsuyoshi Kamada

Shun Ueki

Hideomi Yui

Daisuke Shinozaki

Shumpei Nishinaka

Tomoko Ueki

Yasushi Asaoka

Shohei Katsuta

Hidefumi Yoshida

Tokiyoshi Umeda

Shigeru Aomori

Kazuyoshi Sakuragi

Sho Ochi

Hidetsugu Matsukiyo

Atsuyuki Hoshino

Hirokazu Ichinose

Provided is compatibility between adhesion to a substrate (lower layer) and durability improvement. An optical element includes a phosphor layer facing a lower layer, and a bonding layer keeping the phosphor layer in intimate contact with the lower layer. The phosphor layer includes an inorganic binder, and phosphor particle dispersed with the inorganic binder. The bonding layer includes an organic binder. The phosphor layer has a first surface facing the lower layer, a second surface opposite to the first surface, and a side surface connecting the first and second surfaces together. The bonding layer connects together the second surface, the side surface, and a surface of the lower layer to keep the phosphor layer in intimate contact with the lower layer.

Optical element and optical device

A daylighting apparatus of the present invention includes: a daylighting sheet () that has first and second surfaces opposite to each other and that lets light in through the first surface and lets the light out through the second surface at a predetermined distribution of angles; and a visible light-reflecting sheet () that reflects part of visible light falling on the first surface of the daylighting sheet ().

Daylighting apparatus

Provided is a daylighting device () that is used by being attached to a window frame () supporting an existing window glass () and that includes a first base () being light-transmissive, a first spacer () provided at an outer edge of one surface () of the first base () and attached to the window frame (), and a daylighting member () provided on a side of the one surface () of the first base (), in which the daylighting member () includes a second base () that is light-transmissive and a plurality of protrusion daylighting portions () that are light-transmissive and provided to be adjacent to each other on a side of one surface () of the second base ().

Daylighting device

A daylighting system () to be installed over an interior face () of a window pane (), the daylighting system () including: a light-transmitting device () to be disposed over an upper part of the interior face () of the window pane (); and a shading device () joined to the light-transmitting device () in such a manner as to be disposed over a lower part of the interior face () of the window pane ().

Daylighting system

There is provided a daylighting device () installed to face window glass and including a daylighting member () having a light-transmissive base member and a plurality of light-transmissive daylighting units disposed adjacent to each other on at least one surface of the base member, and the daylighting member () includes a movable unit that moves such that the one surface of the base member follows a movement of the sun to turn toward an orientation of the sun.

Daylighting device and daylighting system

A daylighting device of the present invention includes: a daylighting member including: a first light-transmitting base member; and a plurality of protruding, light-transmitting daylighting sections provided on a first face or a second face of the first light-transmitting base member; and a ventilation hole configured to enable a space on the first face to communicate with a space on the second face opposite from the first face.

A daylighting slat () includes a daylighting plate () extending in one direction. The daylighting plate () includes: a transparent base material () having a curved or angled shape in a cross-section taken perpendicular to a lengthwise direction of the daylighting plate (); a plurality of transparent daylighting sections () at least in a first region (Aa) of a first face (A) of the base material (); and gap portions between the daylighting sections (), wherein each of the daylighting sections () has a side face in contact with one of the gap portions, a part of the side face serving as a reflection face where light incident to that daylighting section () is reflected.

Daylighting slat and daylighting device

A daylighting device () including: a flexible base material () having light-transmitting properties; and a plurality of daylighting sections () on at least one of faces () of the base material (), each of the daylighting sections having light-transmitting properties and including at least two protrusion portions adjacent to each other.

A daylighting slat () includes: a daylighting plate (); and a support member () that supports the daylighting plate (), in which the daylighting plate () includes; a base that has light transparency; and a plurality of daylighting parts that are provided on a first surface of the base, have light transparency, and form a gap portion between the plurality of daylighting parts, in which a part of a side surface of a daylighting part, which is in contact with the gap portion, functions as a reflecting surface that reflects light entering the daylighting part, and the support member (), at least a part of which has light transparency, includes a gripping portion () that grips at least a part of a peripheral part of the daylighting plate () and has light absorbability, and a protective plate () formed of a plate body that is provided so as to face a first surface or a second surface of the daylighting plate ().

A light-diffusing-member manufacturing method includes a step of forming a light diffusion portion on one surface side of a base, by developing an exposed negative photosensitive resin layer with an alkali developing solution, and a step of performing an acid treatment on the light diffusion portion with an acid solution, after removing the alkali developing solution which is adhered to the light diffusion portion and suspended matter in the alkali developing solution in the negative photosensitive resin layer, so as to lower an ionization degree of the negative photosensitive resin layer which is in an ionized state due to the alkali developing solution.

Light-diffusing-member manufacturing method and manufacturing device

A liquid crystal display device includes a liquid crystal panel that includes a liquid crystal cell including a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and a pair of polarizers arranged on a light incident side and a light emission side of the liquid crystal layer; an illumination device that is arranged on the light incident side of the liquid crystal cell, and emits light toward the liquid crystal cell; and a light control member that is arranged on the light emission side of the liquid crystal panel, and controls an emission direction of light emitted from the liquid crystal panel by anisotropically diffusing the light in an azimuthal direction as viewed from a direction normal to the liquid crystal panel. The light control member is arranged such that an azimuthal direction in which a luminance viewing angle of the liquid crystal panel is relatively narrow and an azimuthal direction in which diffusivity of the light control member is relatively high approximately coincide with each other.

Liquid crystal display device

A light control film includes a light shielding layer and a light diffusion portion, and, when an area of a part where the light shielding layer is in contact with one surface of the base material is set to S1, and an area of a part where a low refractive index portion is exposed between light incidence end surfaces is set to S2, the light shielding layer and the light diffusion portion are formed so as to satisfy (S1&#x2212;S2)/S1&#xd7;100&#x2265;50.

Light control film, display device, and method for manufacturing light control film

A daylighting device () according to an aspect of the present invention includes a first substrate () which has optical transparency and to which external light is incident; a second substrate () which has optical transparency and is disposed facing the first substrate (); a light diffusion layer () which is disposed between the first substrate () and the second substrate (); and a daylighting layer () which is disposed between the first substrate () and the second substrate () and is formed by including a plurality of daylighting portions () having optical transparency and a void portion () which is provided between the plurality of daylighting portions () in one surface facing the light diffusion layer ().

A light diffusion member includes a substrate that has optical transparency, a light diffusion portion that is formed with a prescribed height on one surface of the substrate, a light shielding layer that is formed with a thickness less than the height of the light diffusion portion in another region of the one surface of the substrate than the light diffusion portion, and an antiglare layer that is formed on the other surface of the substrate. The light diffusion portion includes a light emission end surface that contacts with the substrate, a light incident end surface that faces the light emission end surface and has a larger area than an area of the light emission end surface, and a side surface that is formed between the light emission end surface and the light incident end surface, and the antiglare layer includes a binder layer and plural light diffusion particles that are dispersedly arranged in the binder layer.

Light diffusion member, method for manufacturing same, and display device

A light control film (light control member) includes a light transmissive base, a plurality of light shielding portions scattered over one surface of the base, and a light diffusing portion formed on the one surface of the base in a region other than regions in which the light shielding portions are formed. The light diffusing portion has a light exit end face and a light incident end face having a larger area than the light exit end face, and the height of the light diffusing portion is greater than the thickness of the light shielding portions. At least part of the opening of at least some of a plurality of air-cavities has a protrusion which is formed of a portion of the light diffusing portion that projects toward the inner side of the opening.

Growing community of inventors

Osaka, Japan

Toru Kanno