Abstract: 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.

Abstract: A daylighting blind according to an aspect of the invention includes: a plurality of slats; and a support mechanism that interconnects the plurality of slats, a longitudinal direction of which is oriented in a horizontal direction, and supports the plurality of slats suspended in a vertical direction. At a boundary between a daylighting slat group composed of a plurality of daylighting slats in an upper position in the vertical direction and a light-shielding slat group composed of a plurality of light-shielding slats in a lower position in the vertical direction, the daylighting slats and the light-shielding slats are arranged consecutively. The support mechanism includes a lifting/lowering member that causes the daylighting slat group to be stored or extend independently.

Abstract: A light-diffusion member (7) includes: a substrate (39) having light-transmitting properties; a light-diffusion portion (40) on a face of the substrate (39) facing a display medium (6); and a light-blocking layer (41) on a part of the face of the substrate (39) facing the display medium (6) other than where the light-diffusion portion (40) is provided. The light-diffusion portion (40) includes: a light-emitting end face (40a) in contact with the substrate (39); and a light-incident end face (40b) facing, and being larger in area than, the light-emitting end face (40a). The adhesive layer (42) adheres to light-incident end face (40a) and partly (42a) encroaches into a space (43) between the light-diffusion portion (40) and light-blocking layer (41).

Abstract: A liquid crystal display device according to one aspect of the present invention includes a liquid crystal panel of a vertical alignment mode, and an optical control member disposed on a light-exiting side of the liquid crystal panel. The liquid crystal panel includes a plurality of pixels having at least two domains (50a, 50b), in which directors of liquid crystal molecules are in a first direction. An absorption axis of a first polarizing sheet and an absorption axis of a second polarizing sheet are a mutually orthogonal and form angle that is approximately 45°. The optical control member includes a base, a light diffusion part, a light blocking layer and a low refractive index part.

Abstract: A daylighting system (1) according to one aspect of the invention includes a daylighting apparatus (2) and an artificial light source apparatus (3) that emits light toward the daylighting apparatus (2). The daylighting apparatus (2) includes a base material (4) having light transmission property, and a plurality of daylighting portions (5) that are provided on a first surface of the base material (4), have light transmission properties and reflect light incident from a light incident end surface on a reflection surface. The artificial light source apparatus (3) emits at least light that enters the daylighting portions (5) from the light incident end surface and travels toward the reflection surface.

Abstract: A daylighting device according to an aspect of the present invention includes a daylighting member and a support unit, disposed on an interior side of a window glass to support the daylighting member. The support unit includes an adjusting mechanism that adjusts a position of the daylighting member relative to the window glass.

Abstract: Provided is a daylighting film (10) including: a base (11) having light-transmissive performance; a plurality of first protrusion portions (12) that have light-transmissive performance and are provided to be adjacent to each other on one surface (11a) of the base (11); a gap portion (13) provided between the first protrusion portions (12); and at least one second protrusion portion (14) that is provided in at least one gap portion (13) to be adjacent to the first protrusion portions (12) on the one surface (11a) of the base (11) and that is formed of the same material as that of the first protrusion portions (12), in which a height of the second protrusion portion (14) from the one surface (11a) of the base (11) is smaller than a height of each of the first protrusion portions (12) from the one surface (11a) of the base (11).

Abstract: A daylighting film (1) according to an aspect of the invention includes a first base (2), a plurality of daylighting portions (3) constituted by a plurality of polygonal prism structures, and gaps (9) provided between the plurality of daylighting portions (3). Each of the daylighting portions (3) is a polygon that has four vertexes in a sectional shape orthogonal to a longitudinal direction and has all interior angles less than 180°, and has a first side that is a side of the polygon corresponding to a surface in contact with the first base (2) and a plurality of vertexes including a first vertex and a second vertex that are vertexes corresponding to both ends of the first side, and a third vertex that is not positioned on the first side.

Abstract: A light-control member (13) includes a substrate (39); light-shielding layers (40) provided in a first area (A1) on one surface (39a) of the substrate (39); a light-diffusion section (41) provided in an area other than the light-shielding layers (40) in the first area (A1) and formed of light transmitting material; and a support section(45) provided in a second area (A2) positioned on an outer side of the first area (A1) on the one surface (39a), in which the light-diffusion section (41) has a light emitting end surface (41a) in contact with the one surface (39a) of the substrate (39), a light incident end surface (41b) opposing the light emitting end surface (41a) and having an area greater than an area of the light emitting end surface (41a), and a reflective surface (41c) which is in contact with the light emitting end surface (41a) and the light incident end surface (41b) and on which light incident from the light incident end surface (41b) is reflected, and a formation area of the support section (45) pe

Abstract: This light diffusion member includes: a substrate having light transmissivity; a plurality of light shielding layers formed on one face of the substrate; and light diffusion portions formed on the one face of the substrate at regions other than the regions where the light shielding layers have been formed. The light diffusion portions have a light-emitting end surface coming into contact with the substrate, a light incident end surface which faces the light-emitting end surface and has a larger area than the area of the light-emitting end surface, and a reflecting face coming into contact with the light-emitting end surface and the light incident end surface, and reflecting light entering from the light incident end surface. The height from the light incident end surface to the light-emitting end surface of the light diffusion portion is greater than the thickness of the light shielding layers.

Abstract: There is provided a daylighting device (10) installed to face window glass and including a daylighting member (40) 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 (40) 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.

Abstract: A daylighting device (10) according to an aspect of the present invention includes a first substrate (1) which has optical transparency and to which external light is incident; a second substrate (2) which has optical transparency and is disposed facing the first substrate (1); a light diffusion layer (3) which is disposed between the first substrate (1) and the second substrate (2); and a daylighting layer (4) which is disposed between the first substrate (1) and the second substrate (2) and is formed by including a plurality of daylighting portions (42) having optical transparency and a void portion (43) which is provided between the plurality of daylighting portions (42) in one surface facing the light diffusion layer (3).

Abstract: There is provided a lighting film according to one aspect of the invention including: a first substrate having optical transparency; a plurality of lighting units formed of a plurality of polygonal prism-shaped structures having optical transparency provided on a first surface of the first substrate; and gaps provided between the plurality of lighting units, in which the lighting unit is a polygon which has five vertexes in a sectional shape orthogonal to a longitudinal direction and has all of internal angles smaller than 180°, the lighting unit includes a first side which is one side of the polygon corresponding to a surface contacted with the first substrate, and a plurality of vertexes including a first vertex and a second vertex which are vertexes corresponding to both ends of the first side and a third vertex which is not positioned on the first side, a length of a perpendicular line of the first side passing the third vertex is longer than a length of a perpendicular line of the first side passing a ve

Abstract: A daylighting system (10) to be installed over an interior face (1001a) of a window pane (1001), the daylighting system (10) including: a light-transmitting device (20) to be disposed over an upper part of the interior face (1001a) of the window pane (1001); and a shading device (30) joined to the light-transmitting device (20) in such a manner as to be disposed over a lower part of the interior face (1001a) of the window pane (1001).

Abstract: A liquid crystal display (1) includes a liquid crystal panel (4), a backlight (2), and a light-diffusing member (7). There exist azimuths in which a transmittance of the liquid crystal panel (4) and a luminance of the backlight (2) are higher than a transmittance and a luminance in a direction of a normal. The azimuth in which the transmittance of the liquid crystal panel (4) is higher coincides with the azimuth in which the luminance of the backlight (2) is higher.

Abstract: A light-diffusion member (7) includes: a substrate (39) having light-transmitting properties; a light-diffusion portion (40) on a face of the substrate (39) facing a display medium (6); and a light-blocking layer (41) on a part of the face of the substrate (39) facing the display medium (6) other than where the light-diffusion portion (40) is provided. The light-diffusion portion (40) includes: a light-emitting end face (40a) in contact with the substrate (39); and a light-incident end face (40b) facing, and being larger in area than, the light-emitting end face (40a). The adhesive layer (42) adheres to light-incident end face (40a) and partly (42a) encroaches into a space (43) between the light-diffusion portion (40) and light-blocking layer (41).

Abstract: 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.

Abstract: 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.

Abstract: A liquid crystal display device includes: a liquid crystal panel; an illuminating device; and a light control member that is disposed on a light emission side of the liquid crystal panel. The light control member diffuses light that is emitted from the liquid crystal panel in an anisotropic manner in a first azimuth angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light. A pixel includes a first region in which a director of liquid crystal molecules is in a first direction, and a second region in which the director of the liquid crystal molecules is in a second orientation opposite to the first orientation in the first direction. A second azimuth angle direction in which light-diffusibility of the light control member is relatively strong, and the first direction approximately match each other.

Abstract: Provided is a liquid crystal device including: a liquid crystal panel including a first substrate having a first vertical alignment film, a second substrate having a second vertical alignment film, a liquid crystal layer which is interposed between the first vertical alignment film and the second vertical alignment film and has a negative dielectric anisotropy, a first polarizing plate that is disposed on a light-incident side of the liquid crystal layer, and a second polarizing plate that is disposed on a light-emitting side of the liquid crystal layer; an illuminating device which is disposed on a light-incident side of the liquid crystal panel, and emits light toward the liquid crystal panel; and a light control member which is disposed on a light-emitting side of the liquid crystal panel, and diffuses light that is emitted from the liquid crystal panel in an azimuth angle direction and a polar angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of th