The light-conductive optical system comprises a planarly shaped light guide (1) made from an optically transparent material with an associated light unit (3) and a collimating element (2). The light guide (1) comprises an output surface (12) for the output of light rays (10) and a binding surface (11) to bind light rays (10) to the light guide (1). The output surface (12) and the binding surface (11) are situated on surfaces that transversally connect the top (5) and bottom surface (6) of the light guide (1) and the binding surface (11) comprises a partial surface (11c) situated opposite the output surface (22) of the collimating element (2) and a lateral partial surface (11a, 11b) at one or both sides of the partial surface (11c). The height (v) of the output surface (22) is bigger than the thickness (t) of the light guide (1) so the output surface (22) reaches above the top surface (5) and/or below the bottom surface (6) of the light guide (1) with its overlapping part (8, 9). The light guide (1) is, for each overlapping part (8, 9), fitted with at least a pair of reflective means (4a, 4b; 4c) comprising the first reflective means (4a, 4b) situated opposite the overlapping part (8, 9) to bind at least a part of light rays (10) exiting from the overlapping part (8, 9) and to reflect them to the second reflective means (4c) adapted to direct light rays (10) against the lateral partial surface (11a, 11b).

An object is to provide a lamp device which can be used as vehicle use headlight, and can form light distribution pattern capable of suppressing generation of dark grids in the field of view. A lamp device is provided which comprises a light source in which a plurality of light emitting elements are regularly arranged in a plane, and the light emitting elements are distributed along a first direction and along a second direction crossing the first direction in the plane, a projecting optic system capable of forming images of the respective light emitting elements of the light source on an image plane located on an optic axis of light beam emitted from the light source, and an image shifter capable of forming basic image of the plurality of light emitting elements on an image plane, and simultaneously forming first moved image which is formed by moving the basic image along the first direction and along the second direction simultaneously on the image plane.

A lighting device to be mounted on a vehicle has a light source, a projection lens having an optical axis, and disposed so as to allow at least some of light emitted from the light source to pass therethrough, a holder that holds the projection lens, a pivot shaft provided at one of the projection lens and the holder and extending in a direction intersecting with the optical axis of the projection lens, a bearing provided at the other of the projection lens and the holder and that holds the pivot shaft, an aiming mechanism configured to pivot the projection lens relative to the holder about the pivot shaft, and a reflector configured to reflect the light emitted from the light source in a predetermined direction. The reflector is provided in the holder. The position of the holder to the light source is fixed.

A lighting device to be mounted on a vehicle has a light source, a projection lens having an optical axis, and disposed so as to allow at least some of light emitted from the light source to pass therethrough, a holder that holds the projection lens, a pivot shaft provided at one of the projection lens and the holder and extending in a direction intersecting with the optical axis of the projection lens, a bearing provided at the other of the projection lens and the holder and that holds the pivot shaft, an aiming mechanism configured to pivot the projection lens relative to the holder about the pivot shaft, and a reflector configured to reflect the light emitted from the light source in a predetermined direction. The reflector is provided in the holder. The position of the holder to the light source is fixed.

A smart headlight includes a headlight mount, a main light source, a lens and a light-shielding structure. The main light source is disposed on the headlight mount. The lens is connected to the headlight mount and corresponds in position to the main light source. The light shielding structure is disposed on the headlight mount and arranged between the main light source and the lens. The light shielding structure includes a first light-shielding plate and a second light-shielding plate. The first light-shielding plate is configured to reciprocally move between an upright position and a reclined position, such that a top portion of the second light-shielding plate can be covered by or exposed from the first light-shielding plate.

In an embodiment, an enclosure comprises walls forming the enclosure, wherein the enclosure comprises an internal space; an inhibiting element disposed in at least one wall, the inhibiting element having an internal inhibiting surface exposed to the internal space, wherein the inhibiting element has a transparency of greater than or equal to 20%; and a condensing element disposed in at least one other wall, the condensing element having an internal condensing surface exposed to the internal space; wherein at least one of the inhibiting element and the condensing element comprise a phase change material configured to form a temperature differential between an internal inhibiting surface temperature and an internal condensing surface temperature over a temperature range, and wherein when the temperature differential is formed, the internal inhibiting surface temperature is greater than the internal condensing surface temperature.

In an embodiment, an enclosure comprises walls forming the enclosure, wherein the enclosure comprises an internal space; an inhibiting element disposed in at least one wall, the inhibiting element having an internal inhibiting surface exposed to the internal space, wherein the inhibiting element has a transparency of greater than or equal to 20%; and a condensing element disposed in at least one other wall, the condensing element having an internal condensing surface exposed to the internal space; wherein at least one of the inhibiting element and the condensing element comprise a phase change material configured to form a temperature differential between an internal inhibiting surface temperature and an internal condensing surface temperature over a temperature range, and wherein when the temperature differential is formed, the internal inhibiting surface temperature is greater than the internal condensing surface temperature.

A lighting device according to one embodiment comprises: a housing having an opening; a half mirror member arranged in the opening; a first light source unit for emitting light at the half mirror member; a mirror member for re-reflecting light reflected by the half mirror member; a diffusion plate arranged between the first light source unit and the half mirror member; and a guide unit protruding from the lower surface of the housing, wherein the housing includes a first area and a second area formed by the guide unit, the first light source unit is arranged in the first area and the mirror member is arranged in the second area, and the diffusion plate can be supported by the guide unit. Therefore, the lighting device can implement various three-dimensional effects of an optical image according to a field of view by using the half mirror member and the mirror member during lighting.

A vehicular lamp includes: a light source; a liquid crystal element including a liquid crystal layer and a pair of sandwiching substrates; and a projection optical system. In this vehicular lamp, one of the pair of sandwiching substrates in the liquid crystal element includes a first transparent substrate, and a common electrode disposed on the first transparent substrate, and the other of the pair of sandwiching substrates in the liquid crystal element includes a second transparent substrate, a plurality of wiring electrodes disposed on the second transparent substrate, an insulating layer disposed on the second transparent electrode to cover the plurality of wiring electrodes, a plurality of segment electrodes disposed on the insulating layer, and a plurality of connection electrodes configured to electrically connect each of the plurality of wiring electrodes to each of the plurality of segment electrodes through the insulating layer.

A laser illumination device includes a light source component, a micro-element lens, and a meniscus lens. The light source component emits a laser beam. The micro-element lens spreads out the laser beam. The meniscus lens has an incident face on which the laser beam from the micro-element lens is incident, and a light emission face that is provided on the opposite side from the incident surface and includes a convex shape, and the meniscus lens has a negative power for spreading out the incident laser beam from the micro-element lens.