Abstract: An optical device includes an optical device including, a movable frame configured to hold an optical member, and a coupling frame to be coupled to the movable frame via an oscillation axis, and a stationary frame to which the coupling frame is fixed via a vibration absorbing member. The stationary frame has a shaft part to which the vibration absorbing member is attached, and a first surface and a second surface opposed to each other outside the shaft part, the coupling frame is disposed so as to be separated from the shaft part, the first surface, and the second surface with the vibration absorbing member, and a thickness of the vibration absorbing member existing between the coupling frame and the first surface and/or the second surface is thicker than a thickness of the vibration absorbing member existing between the coupling frame and the shaft part of the stationary frame.

Abstract: A light path shifting device is provided with a glass plate which incident light enters, a first frame for holding the glass plate, a second frame for supporting the first frame in the state of being swingable around a first oscillation axis, a base member for supporting the second frame in the state of being swingable around a second oscillation axis crossing the first oscillation axis, a first actuator for oscillating the first frame, and a second actuator for oscillating the second frame, and is capable of shifting the light path of the incident light in a first direction and a second direction crossing the first direction by oscillating the first frame and the second frame to thereby change an incident angle of the incident light to the glass plate.

Abstract: A projector includes a light outputting apparatus that outputs video light, a projection system that enlarges and projects the video light, and an optical device disposed between the light outputting apparatus and the projection system. The optical device includes a movable section including a glass plate (optical section) having a light incident surface on which the video light is incident, a shaft section that swingably supports the movable section around a first swing axis, and an actuator that causes the movable section to swing. The cross-sectional shape of the shaft section viewed in the direction along the first swing axis is a shape having a plurality of recesses recessed inward.

Abstract: A projector includes an optical path change device placed between a light modulation device and a projection optical device. The optical path change device has an optical member holding part that holds an optical member that a light modulated by the light modulation device enters, and a supporting member that swingably supports the optical member holding part. The supporting member is supported by a holding member that holds the light modulation device or the projection optical device.

Abstract: A light path shifting device is provided with a glass plate which incident light enters, a first frame for holding the glass plate, a second frame for supporting the first frame in the state of being swingable around a first oscillation axis, a base member for supporting the second frame in the state of being swingable around a second oscillation axis crossing the first oscillation axis, a first actuator for oscillating the first frame, and a second actuator for oscillating the second frame, and is capable of shifting the light path of the incident light in a first direction and a second direction crossing the first direction by oscillating the first frame and the second frame to thereby change an incident angle of the incident light to the glass plate.

Abstract: An optical path shifting device includes: a holding frame holding a rectangular glass plate; a support part supporting the holding frame in a swingable state; and an actuator causing the holding frame to swing. The holding frame has a first shaft part at a position opposed to a first corner part of the glass plate, and a second shaft part at a position opposed to a second corner part situated in a diagonal direction from the first corner part. The holding frame is connected to the support part by the first and the second shaft parts. The actuator is arranged at a position opposed to a third corner part and has a permanent magnet and a coil opposed to each other. A first opposing surface of the permanent magnet and a second opposing surface of the coil are arranged in a direction intersecting a surface of the glass plate.

Abstract: An optical path shifting device includes: a holding frame holding a rectangular glass plate; a support part supporting the holding frame in a swingable state; an actuator causing the holding frame to swing; a magnetic sensor detecting a position of the holding frame; and a thermistor detecting a temperature of the magnetic sensor. A drive signal processing circuit includes: an amplifier amplifying a reference signal to generate a drive signal and supplying the drive signal to the actuator; and a signal processing unit inputting the reference signal and an amplifier gain to the amplifier. The signal processing unit performs gain adjustment processing to correct an amplitude value found from an output from the magnetic sensor, based on an output from the thermistor, and to adjust the amplifier gain, based on a corrected value.

Abstract: An optical device unit that can operate very quietly and an image display apparatus having the optical device unit are provided. An optical device unit includes an optical device and a coupler joined to the optical device. The optical device includes an optical portion that is shaped as a plate and has a light incident surface on which light is incident, a movable portion that supports the optical portion, pivot portions that support the movable portion, and a support portion that supports the pivot portions. The support portion includes connection portions to which the pivot portions are connected and the connection portions are located away from the coupler.

Abstract: A light adjuster includes: a first light shield and a second light shield disposed across a central axis of an emitted light beam; a drive section; a movement mechanism configured to move the first light shield and the second light shield using a driving force; a board; and a cover member combined with the board, in which the movement mechanism includes: a pinion gear; and a first gear and a second gear configured to be rotated in conjunction with a rotation of the pinion gear, the first light shield is attached to the first gear, the second light shield is attached to the second gear, and the cover member supports the first gear and the second gear so that the first gear and the second gear are rotatable, and is combined with the board to cover the pinion gear, the first gear and the second gear.

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: An optical device unit that can operate very quietly and an image display apparatus having the optical device unit are provided. An optical device unit includes an optical device and a coupler joined to the optical device. The optical device includes an optical portion that is shaped as a plate and has a light incident surface on which light is incident, a movable portion that supports the optical portion, pivot portions that support the movable portion, and a support portion that supports the pivot portions. The support portion includes connection portions to which the pivot portions are connected and the connection portions are located away from the coupler.

Abstract: A light adjuster includes: a first light shield and a second light shield disposed across a central axis of an emitted light beam; a drive section; a movement mechanism configured to move the first light shield and the second light shield using a driving force; a board; and a cover member combined with the board, in which the movement mechanism includes: a pinion gear; and a first gear and a second gear configured to be rotated in conjunction with a rotation of the pinion gear, the first light shield is attached to the first gear, the second light shield is attached to the second gear, and the cover member supports the first gear and the second gear so that the first gear and the second gear are rotatable, and is combined with the board to cover the pinion gear, the first gear and the second gear.

Abstract: An optical device includes a movable unit that supports a glass plate, axis portions that swingably support the movable unit around a swing axis, a support unit that supports the axis portions and, a permanent magnet that is provided in the movable unit, and a coil that is disposed to face the permanent magnet, and a coil support unit that is supported by the support unit and supports the coil. A conductive wire is wound around the coil and a drawn wire is drawn from the side of the inner circumference of the coil. The coil support unit includes a through hole overlapping the inner circumference of the coil and the drawn wire is inserted through the through hole.

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: An optical device includes a movable unit that supports a glass plate, axis portions that swingably support the movable unit around a swing axis, a support unit that supports the axis portions and, a permanent magnet that is provided in the movable unit, and a coil that is disposed to face the permanent magnet, and a coil support unit that is supported by the support unit and supports the coil. A conductive wire is wound around the coil and a drawn wire is drawn from the side of the inner circumference of the coil. The coil support unit includes a through hole overlapping the inner circumference of the coil and the drawn wire is inserted through the through hole.

Abstract: The imaging device disclosed herein includes: a plurality of photodetection sections having a light-receiving face, the plurality of photodetection sections 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; and a plurality of spectroscopic sections having a greater refractive index than the transparent layer and being disposed in a two-dimensional array in a plane of arrangement. Zeroth order diffracted light and ±first order diffracted light, derived from light transmitted through each spectroscopic section and a portion of the transparent layer neighboring the spectroscopic section, respectively enter distinct photodetection sections among the plurality of photodetection sections.

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: 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: 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.