Abstract: Light control body (6) has first incident surface (7) and first reflection surface (9). First incident surface (7) condenses part of light emitted from light source (1) and emits the light toward incident surface (3) of light guide plate (2). First reflection surface (9) reflects the light that is emitted from light source (1) and does not pass through first incident surface (7), and emits the light toward incident surface (3) of light guide plate (2). First focal position (11) of first incident surface (7) and second focal position (12) of first reflection surface (9) are set at positions that are different from each other and away from the light emission surface of light source (1).

Abstract: An optical system includes a light guide member, a prism, and a plurality of light control bodies. The light guide member includes an incident surface on which light is incident, and a first surface and a second surface facing each other. In the light guide member, the second surface is an emission surface of light. The prism is provided on the first surface and reflects light passing through the light guide member toward the second surface. The plurality of light control bodies are positioned between light sources and the incident surface. The plurality of light control bodies control light rays output from the light sources and incident on the incident surface. Each of the plurality of light control bodies includes an incident lens. Each of the plurality of light control bodies causes the light incident on the incident lens from the light source to be incident on the incident surface.

Abstract: An optical system includes a light guide member and a prism. The light guide member has: an incident surface on which light is incident; and a first surface and a second surface facing each other. The second surface is a light emergent surface. The prism is provided for the first surface and reflects, toward the second surface, the light passing inside the light guide member. The light guide member includes a direct optical path, along which the light that has entered the light guide member through the incident surface is directly reflected from the prism and allowed to emerge from the second surface.

Abstract: An optical system includes a light guide member having a light incident surface, a first surface, and a light emergent surface facing the first surface; and a prism provided in the first surface for reflecting light passing inside the light guide member towards the light emergent surface. The light guide member includes a direct optical path, along which the light that has entered the light guide member through the incident surface is directly reflected from the prism and allowed to emerge from the light emergent surface. At least one of the first surface or the light emergent surface includes a luminous intensity distribution control member configured to control a luminous intensity distribution of light to be extracted from the light emergent surface. The luminous intensity distribution control member includes a Fresnel lens.

Abstract: Light control body (6) has first incident surface (7) and first reflection surface (9). First incident surface (7) condenses part of light emitted from light source (1) and emits the light toward incident surface (3) of light guide plate (2). First reflection surface (9) reflects the light that is emitted from light source (1) and does not pass through first incident surface (7), and emits the light toward incident surface (3) of light guide plate (2). First focal position (11) of first incident surface (7) and second focal position (12) of first reflection surface (9) are set at positions that are different from each other and away from the light emission surface of light source (1).

Abstract: An optical system includes a light guide member having a light-incident surface, a first surface, a light-emitting surface facing the first surface, a first end surface, a second end surface, a plurality of collimating lenses disposed on the light-incident surface and being arranged along a first direction, and a plurality of prism pieces. The plurality of prism pieces include two or more prism pieces having different inclination angles with respect to the light-incident surface depending on positions of the prism pieces in at least the first direction, and each of the inclination angles of the two or more prism pieces is an angle formed between the first direction and the longitudinal axis of a corresponding prism piece. Each of the inclination angles of the two or more prism pieces increases as the corresponding prism piece is positioned closer to any of the first end surface or the second end surface.

Abstract: A molded body for an electronic function includes a first film in which one surface thereof constitutes an external appearance surface, a second film in which an electronic component is mounted on a surface thereof facing a surface of the first film opposite to the external appearance surface, and a first resin that fills a space between the first film and the second film. The first resin has a cavity, and the cavity is filled with a second resin, and the electronic component is disposed in the cavity and surrounded by the second resin.

Abstract: A light refraction member includes an incident surface on which planar light is incident, a plurality of refractors that refract the planar light, and an emitting surface from which the planar light refracted by the plurality of refractors is emitted as emitted light. The plurality of refractors are provided side by side in a first direction on at least one of the incident surface and the emitting surface, and each of the plurality of refractors has an area in which a direction in which the planar light is refracted changes along a second direction intersecting the first direction.

Abstract: An optical system includes a light guide member and a prism. The light guide member has: an incident surface on which light is incident; and a first surface and a second surface facing each other. The second surface is a light emergent surface. The prism is provided for the first surface and reflects, toward the second surface, the light passing inside the light guide member. The light guide member includes a direct optical path, along which the light that has entered the light guide member through the incident surface is directly reflected from the prism and allowed to emerge from the second surface.

Abstract: An optical system includes a light guide member and a plurality of prism pieces. The light guide member has an incident surface on which light is incident, and first and second surfaces facing each other, and the second surface is a light-emitting surface. The plurality of prism pieces are provided on the first surface and reflect the light passing through an inside of the light guide member toward the second surface. The plurality of prism pieces include two or more prism pieces having different inclination angles with respect to an incident surface depending on a position in at least a first direction along both the incident surface and the first surface. The inclination angles of two or more prism pieces are determined so that the light emitted from the second surface is directed to the outside or the inside of the first direction with respect to a reference light beam as the prism piece is positioned closer to both ends of the first surface in the first direction.

Abstract: A molded body for an electronic function includes a first film in which one surface thereof constitutes an external appearance surface, a second film in which an electronic component is mounted on a surface thereof facing a surface of the first film opposite to the external appearance surface, and a first resin that fills a space between the first film and the second film. The first resin has a cavity, and the cavity is filled with a second resin, and the electronic component is disposed in the cavity and surrounded by the second resin.

Abstract: An input device includes: a light source that emits light; a first sheet including a design portion; a second sheet having a conductive pattern on which the light source is mounted and in which a touch sensor electrode is disposed in a position different from the light source; a body that is sandwiched between the first sheet and the second sheet to be integral therewith, and transmits the light emitted by the light source; and a guide disposed in a light path from the light source to the design portion, the guide guiding light transmitting through an inside of the body toward the design portion and being distinguished from the body. The light source and the light guide are disposed along a surface of the second sheet on a side facing the body. The body is integral with the light source and the light guide and encapsulates them.

Abstract: A display device includes light guide plate, a light source, and a concealing plate. The light guide plate propagates light incident from an incident end surface, reflects the light with a prism provided on a reflection surface, and causes the light to emit from an emission surface facing the reflection surface. The light guide plate has a plurality of inclined surfaces on a side end surface excluding an incident end surface of the light guide plate and a facing end surface facing the incident end surface, and a line segment connecting a center of sides of the plurality of inclined surfaces and a center of the light source, and the sides of the inclined surfaces are substantially perpendicular.

Abstract: An input device includes: a light source that emits light; a first sheet including a design portion; a second sheet having a conductive pattern on which the light source is mounted and in which a touch sensor electrode is disposed in a position different from the light source; a body that is sandwiched between the first sheet and the second sheet to be integral therewith, and transmits the light emitted by the light source; and a guide disposed in a light path from the light source to the design portion, the guide guiding light transmitting through an inside of the body toward the design portion and being distinguished from the body. The light source and the light guide are disposed along a surface of the second sheet on a side facing the body. The body is integral with the light source and the light guide and encapsulates them.

Abstract: A display device including (i) a light source and (ii) a light guide body which guides light emitted by the light source, and includes: a light guide leg that guides the light entering through a light entrance surface; and a light exit portion connected to the light guide leg and including a reflection design portion which reflects, in a first direction, a portion of the light guided by the light guide leg and another reflection design portion which reflects, in the first direction, another portion of the light. When viewed in the first direction, the reflection design portion is disposed in a first region on a second direction side with respect to a connecting portion of the light exit portion connected to the light guide leg, and the other reflection design portion is disposed in a second region on a third direction side with respect to the connecting portion.

Abstract: A display device includes a light guide plate, a first light source, a second light source, and a light transmitting portion. The light guide plate includes a first reflecting prism and a second reflecting prism. The first reflecting prism has an inclined surface that reflects the light incident from the first side surface toward the main surface. The second reflecting prism has an inclined surface that reflects the light incident from the second side surface toward the main surface. The longitudinal direction of the inclined surface of the first reflecting prism is parallel or substantially parallel to a line connecting the second light source and the inclined surface of the first reflecting prism.

Abstract: A display device includes light guide plate, a light source, and a concealing plate. The light guide plate propagates light incident from an incident end surface, reflects the light with a prism provided on a reflection surface, and causes the light to emit from an emission surface facing the reflection surface. The light guide plate has a plurality of inclined surfaces on a side end surface excluding an incident end surface of the light guide plate and a facing end surface facing the incident end surface, and a line segment connecting a center of sides of the plurality of inclined surfaces and a center of the light source, and the sides of the inclined surfaces are substantially perpendicular.

Abstract: A multicolor display apparatus displays a design pattern by reflecting light beams which are incident into a light guide body by arrays of fine shapes and emitting the reflected light beams from the light emission surface, in which, when it is assumed that the gradation values of red, green, blue, and white at a point where a specific color (to be displayed) of the design pattern of the light guide body is displayed using red, green, blue, and white light are set as I(r), I(g), I(b), and I(w), respectively, and when it is assumed that the gradation values of red, green, and blue in the case of displaying a color close to the specific color using only red, green, and blue light without white light are set as Ir, Ig, and Ib, respectively, the fine shapes for each of red, green, blue, and white colors have a height or a pitch which corresponds to the gradation values I(r), I(g), I(b), and I(w) as follows: I(w)=min(Ir, Ig, Ib)×A/100; I(r)=Ir?I(w); I(g)=Ig?I(w); I(b)=Ib?I(w). Here, A/100 is less than 1.

Abstract: A display device includes a light guide plate, and light sources allowing light to be incident on a first side surface and a second side surface of the light guide plate. First incidental side surface light from the first light source is reflected to an upper surface side by first reflection parts formed on a bottom surface to display a first pattern, and second incidental side surface light from the second light source is reflected to the upper surface side by second reflection parts formed on the bottom surface to display a second pattern. Slopes are provided at parts of the first side surface and the second side surface of the light guide plate, and light reflected on a facing reflection surface and propagating in the light guide plate again is reduced by the slopes.

Abstract: A display apparatus includes: a light guide plate; a light source that causes light to be incident on an end surface of the light guide plate; a hiding plate that is provided on a side of an emission surface of the light guide plate, and that includes a light transmission part which transmits light emitted from the emission surface and a light shielding part which has lower light transmittance than the light transmission part; and a colored board that has light reflectance closer to light reflectance of the light shielding part than light reflectance of the light transmission part in each wavelength, and that is provided on a side of a reflection surface of the light guide plate so as to overlap the light transmission part of the hiding plate when viewed from a direction perpendicular to the emission surface of the light guide plate.