摘要:
Lentille pour dispositif d'éclairage de véhicule automobile, la lentille comprenant une face arrière destinée à être orientée en direction d'une source de lumière du dispositif d'éclairage, et une face avant (18) bombée destinée à être orientée vers une chaussée à éclairer, la lentille (10) présentant un plan médian vertical (P) destiné à être sensiblement orthogonal à la chaussée, la face avant présentant une première zone de diffusion (Z1) présentant des microstructures (20) adaptées pour diffuser la lumière émise par la source de lumière, la première zone de diffusion (Z1) s'étendant selon le plan médian (P), la face avant comprenant en outre au moins deux deuxièmes zones de diffusion (Z2 1 , Z2 2 ) présentant chacune des microstructures (20) adaptées pour diffuser la lumière émise par la source de lumière, les deux deuxièmes zones de diffusion se situant de part et d'autre du plan médian vertical, les microstructures des deuxièmes zones de diffusion (Z2 1 , Z2 2 ) présentant une profondeur strictement supérieure à la profondeur des microstructures (20) de la première zone de diffusion (Z1).
摘要:
There is provided a lighting device arranged to produce a controllable light beam for illuminating a scene. The device comprises an addressable spatial light modulator arranged to provide a selectable phase delay distribution to a beam of incident light. The device further comprises Fourier optics arranged to receive phase-modulated light from the spatial light modulator and form a light distribution. The device further comprises projection optics arranged to project the light distribution to form a pattern of illumination as said controllable light beam.
摘要:
A vehicular lamp fitting (10) is provided with: a reflector (30) having a first reflector portion (31) for reflecting light ahead of the vehicle; an inner panel (20) on which the reflector (30) is disposed; a first light guide member (51) provided along an edge of the first reflector portion (31) toward the center of the vehicle and disposed to be opposed to the first reflector portion; and a light source (61) provided at least on either one end (A) or the other end (B) of the first light guide member (51) so as to allow light to be incident on the first light guide member (51). The first light guide member (51) is disposed so as to be visually recognized from the side of the vehicle, and part of direct light reflected by a reflective surface (51c) of the first light guide member (51) and emitted toward the first reflector portion (31) that has not been emitted ahead of the vehicle by the first reflector portion (31) is emitted toward the side of the vehicle.
摘要:
There is provided a lighting device arranged to produce a controllable light beam for illuminating a scene. The device comprises an addressable spatial light modulator arranged to provide a selectable phase delay distribution to a beam of incident light. The device further comprises Fourier optics arranged to receive phase-modulated light from the spatial light modulator and form a light distribution. The device further comprises projection optics arranged to project the light distribution to form a pattern of illumination as said controllable light beam.
摘要:
A vehicle headlight can be configured such that the size of the vehicle headlight which includes a semiconductor laser element (14) employed as a light source is reduced. The vehicle headlight can includes: a projection lens (26) disposed on an optical axis extending in a front-to-rear direction of a vehicle body; a light-emitting device (10) including a semiconductor laser element (14) configured to emit a laser beam and a light-transmitting member (12) configured to absorb and convert the wavelength of at least part of the laser beam from the semiconductor laser element (14); and a first reflection surface (28a) configured to reflect the light from the light-emitting device (10) so as to transmit and project forward the resulting light through the projection lens (26). The vehicle headlight can further include: a light detection unit (74) configured to detect a light beam of a specific color, the light detection unit (74) being disposed between the projection lens (26) and the light-emitting device (10) and below the optical axis; a second reflection surface (28c) configured to reflect the light beam from the light-emitting device (10) toward the light detection unit (74), the second reflection surface (28c) being disposed ahead of the front end of the first reflection surface (28a); and a control unit (80) configured to control the semiconductor laser element (14) in accordance with a detection result provided by the light detection unit (74) so that the semiconductor laser element (14) does not emit the laser beam.
摘要:
An object of the present invention is to provide a vehicle lamp including a laser scanning unit that is strong enough to deal with vibrations and which withstands the application to a motor vehicle. A vehicle lamp (1) includes a light source (20) that shines a laser beam and a laser scanning unit (30) that has a single or plurality of acousto-optic devices (10A, 10B, 10C) and the laser scanning unit can control an angle at which a laser beam that is incident on the acousto-optic devices is deflected.
摘要:
L'invention concerne un dispositif lumineux (1) à balayage pour véhicule automobile, comprenant au moins une source de lumière (2) apte à émettre des rayons lumineux (9), caractérisé en ce qu'il comporte un élément de conversion (5) de longueur d'onde agencé pour recevoir les rayons lumineux (9) sur une zone (10) et à réémettre un rayonnement de lumière pour produire un faisceau lumineux, en ce que le dispositif (1) comporte en outre un élément de repliement (3) des rayons lumineux (9) vers l'élément de conversion (5), et des moyens de balayage (4) configurés pour balayer l'élément de repliement (3) avec les rayons lumineux (9) selon une première direction, le balayage des rayons lumineux (9) s'effectuant entre des positions extrêmes (12, 13) de ces rayons lumineux (9) selon ladite première direction, l'élément de repliement étant configuré pour dévier les rayons lumineux (9) lorsqu'ils sont dans ces positions extrêmes (12, 13) vers une partie centrale (11) de la zone (10) de l'élément de conversion (5) de manière à former la partie centrale du faisceau lumineux.
摘要:
A vehicle headlight can be configured such that the size of the vehicle headlight which includes a semiconductor laser element (14) employed as a light source is reduced. The vehicle headlight can includes: a projection lens (26) disposed on an optical axis extending in a front-to-rear direction of a vehicle body; a light-emitting device (10) including a semiconductor laser element (14) configured to emit a laser beam and a light-transmitting member (12) configured to absorb and convert the wavelength of at least part of the laser beam from the semiconductor laser element (14); and a first reflection surface (28a) configured to reflect the light from the light-emitting device (10) so as to transmit and project forward the resulting light through the projection lens (26). The vehicle headlight can further include: a light detection unit (74) configured to detect a light beam of a specific color, the light detection unit (74) being disposed between the projection lens (26) and the light-emitting device (10) and below the optical axis; a second reflection surface (28c) configured to reflect the light beam from the light-emitting device (10) toward the light detection unit (74), the second reflection surface (28c) being disposed ahead of the front end of the first reflection surface (28a); and a control unit (80) configured to control the semiconductor laser element (14) in accordance with a detection result provided by the light detection unit (74) so that the semiconductor laser element (14) does not emit the laser beam.
摘要:
The invention relates to a lighting device for a motor vehicle. The lighting device comprises one or more lighting units (1), wherein during operation a respective lighting unit (1) generates a spot-shaped light source (5) by means of laser light. In addition, an optical device (6) is configured and arranged with respect to the lighting unit or lighting units (1) in such a way that a predetermined distribution of light composed of the light of the spot-shaped light source (5) is generated after it passes through the optical device (6).
摘要:
A headlight system (100) in accordance with the present invention includes: a semiconductor laser element (11) that emits laser light; a light-emitting section (16) that upon receipt of the laser light emitted from the semiconductor laser element, emits illumination light which is both the laser light and fluorescence obtained by wavelength conversion of a portion of the laser light; and a diffusion plate (18) that mixes the laser light and fluorescence which are contained in the illumination light emitted by the light-emitting section.