Patent classifications
F21S41/16
LIGHTING DEVICE AND VEHICLE LAMP FIXTURE
A lighting device includes a laser light source configured to emit a laser beam, a wavelength conversion member including a laser beam irradiation region to which the laser beam is radiated and configured to emit a wavelength converted light excited by radiation of the laser beam, a laser beam scanning mechanism configured to form a light distribution pattern according to a scanning range of the laser beam by scanning the laser beam radiated to the laser beam irradiation region, and a projection lens configured to project illumination light that forms a light distribution pattern forward, and an incidence angle of the laser beam, which is scanned by the laser beam scanning mechanism, with respect to the wavelength conversion member is set to an angle where the laser beam does not directly enter the projection lens when the wavelength conversion member is damaged, chipped or fallen off.
OPTICAL DEVICE, AND METHOD OF FABRICATING OPTICAL DEVICE
An optical device includes a metal reflective layer substantially made of a metal material, a first light transmissive layer disposed on the metal reflective layer, an optical multilayer reflective film disposed on the first light transmissive layer and including a plurality of sublayers stacked on each other and having different refractive indexes, and a wavelength converting layer disposed on the optical multilayer reflective film and containing a fluorescent material capable of absorbing incident excitation light and generating fluorescent light having a lower energy. The wavelength converting layer is capable of generating mixed light containing the excitation light and the fluorescent light in response to irradiation with the excitation light.
Apparatus and headlight
In one embodiment, an apparatus may include a light source. The apparatus also includes a measuring laser, such as a semiconductor laser. The measuring laser is configured to generate pulses with a maximum pulse duration of 10 ns. A wavelength of maximum intensity of the measuring laser radiation generated by the measuring laser ranges from 400 nm to 485 nm inclusive. The measuring laser radiation is used for distance measurement by means of LIDAR, for example in a car headlight.
Apparatus and headlight
In one embodiment, an apparatus may include a light source. The apparatus also includes a measuring laser, such as a semiconductor laser. The measuring laser is configured to generate pulses with a maximum pulse duration of 10 ns. A wavelength of maximum intensity of the measuring laser radiation generated by the measuring laser ranges from 400 nm to 485 nm inclusive. The measuring laser radiation is used for distance measurement by means of LIDAR, for example in a car headlight.
Apparatuses and methods for backscattering elimination via spatial and temporal modulations
An image capture apparatus includes a light source, a modulator configured to modulate light irradiated from the light source to a target object, an imaging device configured to generate image data by capturing one or more images of the target object, and processing circuitry. The processing circuitry is configured to drive the modulator by a first modulation signal, the first modulation signal being for irradiating a first pattern, drive the modulator by a second modulation signal, the second signal being for irradiating a second pattern, wherein the first pattern and the second pattern are irradiated alternately, modulate reflected light from the target object, the reflected light from the target object being detected at a lock-in detector, and generate an image composed of image data from the reflected light of the plurality of localized illuminations.
Apparatuses and methods for backscattering elimination via spatial and temporal modulations
An image capture apparatus includes a light source, a modulator configured to modulate light irradiated from the light source to a target object, an imaging device configured to generate image data by capturing one or more images of the target object, and processing circuitry. The processing circuitry is configured to drive the modulator by a first modulation signal, the first modulation signal being for irradiating a first pattern, drive the modulator by a second modulation signal, the second signal being for irradiating a second pattern, wherein the first pattern and the second pattern are irradiated alternately, modulate reflected light from the target object, the reflected light from the target object being detected at a lock-in detector, and generate an image composed of image data from the reflected light of the plurality of localized illuminations.
Optical unit with light source for light distribution and electromagnetic wave generator for detecting surrounding objects and vehicular lamp having the same
The optical unit includes a light source, an electromagnetic wave generator, a first reflector configured to reflect emitted light emitted from the light source and electromagnetic waves emitted by the electromagnetic wave generator in a first reflection region whose reflection direction is changed periodically, and a second reflector configured to reflect first reflected light reflected by the first reflector and first electromagnetic waves again in a second reflection region whose reflection direction is changed periodically. The first reflector is configured to scan the second reflection region with the first reflected light and the first electromagnetic waves. The second reflector is configured to form a light distribution pattern by performing scanning with second reflected light, and to detect a surrounding object by performing scanning with second electromagnetic waves.
Illumination Device of a Motor Vehicle Headlamp
Lighting device of a motor vehicle headlamp, comprising a lens (1, 10) and at least one light source (2), wherein a lighting pattern (LI) can be generated by the at least one light source (2), wherein the lighting pattern (LI) generated by the light source (2) can be projected in front of the lighting device in the form of a light distribution by means of the lens (1, 10), wherein the lens (1, 10) has at least one projection optics (3, 30, 31) and one projection optics holder (4, 40), wherein at least one receiving means (5, 50, 51) is designed in the projection optics holder (4, 40), wherein the at least one receiving means (5, 50, 51) corresponds to the at least one projection optics (3, 30, 31), the at least one projection optics (3, 30, 31) is accommodated in the at least one receiving means (5, 50, 51), wherein a reference point system (6, 60, 61) is defined in the at least one receiving means (5, 50, 51) for determining a position of the projection optics (3, 30, 31) accommodated in this receiving means (5, 50, 51) in such a way that the lighting pattern (LI) is essentially located in a focal plane of the lens (1, 10), wherein reference points (6-1 to 6-6, 60-1 to 60-16, 61-1 to 61-10) of the reference point system (6, 60, 61) are arranged according to the 3-2-1 rule, wherein the at least one receiving means (5, 50, 51) is closed by means of a closing element (7, 70) in such a way that the at least one projection optics (3, 30, 31) is fixed and held in the at least one receiving means (5, 50, 51) in the position determined by the reference point system (6, 60, 61).
Illumination Device of a Motor Vehicle Headlamp
Lighting device of a motor vehicle headlamp, comprising a lens (1, 10) and at least one light source (2), wherein a lighting pattern (LI) can be generated by the at least one light source (2), wherein the lighting pattern (LI) generated by the light source (2) can be projected in front of the lighting device in the form of a light distribution by means of the lens (1, 10), wherein the lens (1, 10) has at least one projection optics (3, 30, 31) and one projection optics holder (4, 40), wherein at least one receiving means (5, 50, 51) is designed in the projection optics holder (4, 40), wherein the at least one receiving means (5, 50, 51) corresponds to the at least one projection optics (3, 30, 31), the at least one projection optics (3, 30, 31) is accommodated in the at least one receiving means (5, 50, 51), wherein a reference point system (6, 60, 61) is defined in the at least one receiving means (5, 50, 51) for determining a position of the projection optics (3, 30, 31) accommodated in this receiving means (5, 50, 51) in such a way that the lighting pattern (LI) is essentially located in a focal plane of the lens (1, 10), wherein reference points (6-1 to 6-6, 60-1 to 60-16, 61-1 to 61-10) of the reference point system (6, 60, 61) are arranged according to the 3-2-1 rule, wherein the at least one receiving means (5, 50, 51) is closed by means of a closing element (7, 70) in such a way that the at least one projection optics (3, 30, 31) is fixed and held in the at least one receiving means (5, 50, 51) in the position determined by the reference point system (6, 60, 61).
Light Module for Motor Vehicles
A light module for motor vehicles, having a first laser arrangement (L.sub.S), which contains at least one laser light source (L1, L2, L3, L4) which can be modulated, the laser beam(s) (b1, b2, b3, b4) of which is/are directed to a pivotable micromirror (6) controlled by a mirror control (8) and from there to a light-converting means (7), and having a lighting optics (9) for projecting the illumination pattern generated by the light-converting means (10) into the traffic space/roadway, as a lighting system, and having a second laser arrangement (V.sub.L), which contains at least one laser light source (H1, H2, H3), the laser beam/laser beams (c1, c2, c3) of which is/are sent to the pivotable micromirror (6) controlled by the mirror control (8) and from there into the traffic space/roadway via a LIDAR exit optics (21), as well as having a LIDAR entry optics (14), which sends light of the second laser arrangement reflected in the exterior space to a detector (15), as a LIDAR system.