Abstract: A reflective polarizing plate apparatus includes a reflective polarizing plate that transmits first linearly polarized light and reflects second linearly polarized light polarized in a direction substantially perpendicular to the direction in which the first linearly polarized light is polarized, a holding member that accommodates and holds the reflective polarizing plate, and a first biasing member that biases a glass surface of the reflective polarizing plate accommodated in the holding member.

Abstract: An optical device includes a glass plate, a movable section adapted to support the glass plate, shaft sections adapted to support the movable section so as to be able to oscillate around an oscillation axis, a support section adapted to support the shaft sections, a permanent magnet provided to the movable section, and a coil disposed so as to be opposed to the permanent magnet, and generating a magnetic field acting on the permanent magnet, and the support section has a window section through which a gap between the permanent magnet and the coil can visually be recognized.

Abstract: The present invention provides a seatbelt through-anchor and device capable of preventing jamming during an emergency. A through-anchor is rotatably attached to a vehicle interior wall and is folded back after a webbing extracted from a retractor is inserted through the through-anchor. The through-anchor includes: an insertion hole including an approximately linear lower edge on which the webbing slides, and a lateral edge curving from an end part of the lower edge; a lower-side part provided below the lower edge; and a bump part extending from an end of the lower-side part, protruding beyond a surface of the lower-side part in a direction corresponding to a vehicle interior side. The bump part includes peak parts protruding the furthest in the course of separating from the lateral edge, and includes, between each of the peak parts and the lateral edge, a first sliding surface including a curved surface outwardly protruding from the through-anchor.

Abstract: An optical device includes: an optical portion that has a light incident surface on which light is incident; a movable portion that supports the optical portion; a shaft portion that supports the movable portion so that the movable portion is oscillatable; and a fixing portion that is connected to the shaft portion, wherein the fixing portion has a thickness greater than the shaft portion and includes a portion of which an end not connected to the shaft portion serves as a free end.

Abstract: A light-trapping sheet of the present disclosure includes: a light-transmitting sheet; and light-coupling structures arranged in an inner portion of the light-transmitting sheet. The light-coupling structure includes first, second and third light-transmitting layers. A refractive index of the first and second light-transmitting layers is smaller than that of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than those of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the surfaces of the light-transmitting sheet. The light-trapping sheet further includes a transparent cover sheet opposing at least one of the surfaces of the light-transmitting sheet with a gap interposed therebetween.

Abstract: An imaging apparatus 10 according to one implementation of the present invention includes: a plurality of photodetectors 5a and 5b; a transparent layer 2 provided at the side of a light-receiving surface 15a, 15b of the photodetectors 5a and 5b; a plurality of spectroscopic portions 3 provided between a light-entering surface 2a of the transparent layer 2 and the photodetectors 5a and 5b; and a plurality of high refractive index transparent members 6 provided closer to the photodetectors 5a and 5b than are the spectroscopic portions 3. The high refractive index transparent members 6 have a higher refractive index than does the transparent layer 2.

Abstract: A light-trapping sheet of the present disclosure includes: a plurality of light-transmitting sheets each having first and second principal surfaces; and a plurality of light-coupling structures arranged in an inner portion of each of the plurality of light-transmitting sheets at a first and second distance from the first and second principal surfaces, respectively. Each of the plurality of light-coupling structures includes a first light-transmitting layer, a second light-transmitting layer, and a third light-transmitting layer sandwiched therebetween. A refractive index of the first and second light-transmitting layers is smaller than a refractive index of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than the refractive index of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the first and second principal surfaces of the light-transmitting sheet.

Abstract: In an upright state where a vehicle is supported by a main stand, or and a tilted state where the vehicle is supported by a side stand, an inflow port of a fuel filter unit is located at a position higher than an outflow port. The fuel filter unit and the upstream side filter pipe are installed in the vehicle so that the upstream side filter pipe is arranged at a higher position as it goes toward the upstream side.

Abstract: A light-receiving device of the present disclosure includes a light-trapping sheet, and a photoelectric conversion section optically coupled thereto. The light-trapping sheet includes: a light-transmitting sheet; and a plurality of light-coupling structures arranged in an inner portion of the light-transmitting sheet. The light-coupling structure includes first, second and third light-transmitting layers. A refractive index of the first and second light-transmitting layers is smaller than that of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than those of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the light-transmitting sheet. At least a part of the photoelectric conversion section is located along an outer edge of at least one of the surfaces of the light-transmitting sheet.

Abstract: An imaging apparatus 10 according to one implementation of the present invention includes: a plurality of photodetectors 5a and 5b; a transparent layer 2 provided at the side of a light-receiving surface 15a, 15b of the photodetectors 5a and 5b; a plurality of spectroscopic portions 3 provided between a light-entering surface 2a of the transparent layer 2 and the photodetectors 5a and 5b; and a plurality of high refractive index transparent members 6 provided closer to the photodetectors 5a and 5b than are the spectroscopic portions 3. The high refractive index transparent members 6 have a higher refractive index than does the transparent layer 2.

Abstract: A projector includes: a plurality of reflection-type light modulation device which modulate a plurality of color light fluxes according to image information; a plurality of reflection-type polarizing plate; a color combining device; a projection lens that projects the combined color light from the color combining device; and a light-transmissive member that transmits a color light flux incident thereon, wherein the light-transmissive member is disposed only in an optical path between a first reflection-type polarizing plate, which is one of the plurality of reflection-type polarizing plate, and the color combining device.

Abstract: The imaging device disclosed herein includes: a plurality of photodetection sections 15a and 15b having a light-receiving face, the plurality of photodetection sections 15a and 15b being disposed in a two-dimensional array along a first direction and along a second direction different from the first direction, such that the light-receiving faces of the plurality of photodetection sections constitute an imaging plane; a transparent layer 11 having an incident face and an outgoing face and being disposed so that the outgoing face opposes the imaging plane; and a plurality of spectroscopic sections 12 having a greater refractive index than a refractive index of the transparent layer 11 and being disposed in a two-dimensional array in a plane of arrangement, the plane of arrangement being within the transparent layer and parallel to the imaging plane.

Abstract: A projector includes: a reflection-type polarizing plate which separates entering luminous flux by polarization into first linearly polarized light and second linearly polarized light whose polarization directions cross each other at right angles; a reflection-type light modulation device disposed inclined to the reflection-type polarizing plate to modulate the first linearly polarized light separated by polarization by the reflection-type polarizing plate according to image information and emit the modulated first linearly polarized light toward the reflection-type polarizing plate; a supporting body which supports the reflection-type polarizing plate and the reflection-type light modulation device; and a light shielding member disposed in an area to emit side of the second linearly polarized light which entering the reflection-type polarizing plate before modulation by the reflection-type light modulation device and separated by polarization, and connected with the supporting body.

Abstract: A light-trapping sheet includes: a light-transmitting sheet having first and second principal surfaces; and a plurality of light-coupling structures arranged in an inner portion of the light-transmitting sheet, wherein: each of the plurality of light-coupling structures includes a first light-transmitting layer, a second light-transmitting layer, and a third light-transmitting layer sandwiched therebetween; a refractive index of the first and second light-transmitting layers is smaller than a refractive index of the light-transmitting sheet; a refractive index of the third light-transmitting layer is larger than the refractive index of the first and second light-transmitting layers; and the third light-transmitting layer has a two-dimensional diffraction grating parallel to the first and second principal surfaces of the light-transmitting sheet.

Abstract: An organic EL device includes: a reflective electrode; a transparent electrode opposite the reflective electrode; an organic layer including a light-emitting layer between the reflective electrode and transparent electrode; and a low refractive index layer between the reflective electrode and light-emitting layer. The low refractive index layer has a function of transporting/injecting electrons/holes, and has a lower refractive index than the light-emitting layer. Distance between the surface of the reflective electrode and a central light-emitting position of the light-emitting layer is 300 nm or less. Furthermore, ?n×d/???0.009 and ?n×d/???0.

Abstract: A projector includes: an electro-optic device which modulates light emitted from a light source; a projection lens which projects the light modulated by the electro-optic device; and a lens shift mechanism which shifts the projection lens in a direction perpendicular to the optical axis of the projection lens, wherein the lens shift mechanism includes a shift unit which supports the projection lens and shifts the projection lens in the direction perpendicular to the optical axis, a guide unit which guides the shift of the shift unit, and a drive unit which moves the shift unit, and the drive unit includes a rotation section as a rotated part which has a first bevel gear rotating around a center axis extending in the same direction as that of the optical axis, and a transmission section which has a second bevel gear engaging with the first bevel gear and transmits the rotation of the rotation section to the shift unit.

Abstract: A light modulation device includes: a reflective light modulation element which modulates an incident light; a holding section which holds the reflective light modulation element; and a light blocking plate disposed on an incident side which incidents the incident light to the reflective light modulation element, and fixed to the holding section, wherein a thermal conductivity of the light blocking plate is equal to or higher than a thermal conductivity of the holding section.

Abstract: A light-trapping sheet of the present disclosure includes: a plurality of light-transmitting sheets each having first and second principal surfaces; and a plurality of light-coupling structures arranged in an inner portion of each of the plurality of light-transmitting sheets at a first and second distance from the first and second principal surfaces, respectively. Each of the plurality of light-coupling structures includes a first light-transmitting layer, a second light-transmitting layer, and a third light-transmitting layer sandwiched therebetween. A refractive index of the first and second light-transmitting layers is smaller than a refractive index of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than the refractive index of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the first and second principal surfaces of the light-transmitting sheet.

Abstract: A light-trapping sheet of the present disclosure includes: a light-transmitting sheet; and light-coupling structures arranged in an inner portion of the light-transmitting sheet. The light-coupling structure includes first, second and third light-transmitting layers. A refractive index of the first and second light-transmitting layers is smaller than that of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than those of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the surfaces of the light-transmitting sheet. The light-trapping sheet further includes a transparent cover sheet opposing at least one of the surfaces of the light-transmitting sheet with a gap interposed therebetween.

Abstract: A light-receiving device of the present disclosure includes a light-trapping sheet, and a photoelectric conversion section optically coupled thereto. The light-trapping sheet includes: a light-transmitting sheet; and a plurality of light-coupling structures arranged in an inner portion of the light-transmitting sheet. The light-coupling structure includes first, second and third light-transmitting layers. A refractive index of the first and second light-transmitting layers is smaller than that of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than those of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the light-transmitting sheet. At least a part of the photoelectric conversion section is located along an outer edge of at least one of the surfaces of the light-transmitting sheet.