Patent application number | Description | Published |
20120104934 | LIGHT EMITTING APPARATUS, VEHICLE HEADLAMP, ILLUMINATING APPARATUS, AND VEHICLE, AND METHOD FOR ASSEMBLING THE LIGHT EMITTING APPARATUS - A light emitting apparatus includes: a laser element which emits laser light; a light emitting section which generates fluorescence in response to the laser light emitted from the laser element; a parabolic mirror which reflects the fluorescence generated by the light emitting section; and a multilayer filter which transmits the laser light and reflects the fluorescence, the laser element being provided outside the parabolic mirror, the parabolic mirror being provided with a window part through which the laser light passes, and the multilayer filter being provided so as to cover the window part. | 05-03-2012 |
20120106178 | LIGHT EMITTING DEVICE, VEHICLE HEADLAMP, ILLUMINATION DEVICE, AND LASER ELEMENT - A light emitting device of the present invention includes a light-emitting section for generating fluorescence by receiving a laser beam, and a light irradiation unit for irradiating a light irradiated surface of the light emitting section with a laser beam that increases regularly in beam diameter in a direction in which the laser beam travels. | 05-03-2012 |
20120106188 | LIGHT EMITTING DEVICE, ILLUMINATION DEVICE, VEHICLE HEADLAMP, AND VEHICLE - A headlamp of an embodiment of this invention includes a laser element, a light emitting section, and a parabolic mirror. A part of the parabolic mirror is provided so as to face an upper surface of the light emitting section, which upper surface has a larger area than that of a side surface of the light emitting section. The light emitting section emits fluorescence in such a manner that distribution of the fluorescence corresponds to the Lambertian distribution. | 05-03-2012 |
20120106189 | LIGHT EMITTING DEVICE, VEHICLE HEADLAMP, AND ILLUMINATION DEVICE - A headlamp of one embodiment of this invention includes a laser element for emitting a laser beam, a light emitting section for generating fluorescence upon receiving the laser beam, and a reflecting mirror for projecting the fluorescence. Distribution of the fluorescence emitted by the light emitting section corresponds to Lambertian distribution, and an incident angle of the laser beam with respect to an excitation light irradiated surface, which is a surface of the light emitting section irradiated with the laser beam, is set so that use efficiency of the fluorescence emitted by the light emitting section is increased. | 05-03-2012 |
20120140504 | LIGHT EMITTING DEVICE, VEHICLE HEADLAMP, ILLUMINATION DEVICE, AND VEHICLE - A headlamp | 06-07-2012 |
20120200218 | LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, VEHICULAR HEADLAMP, ILLUMINATION DEVICE, AND METHOD FOR PRODUCING THE LIGHT EMITTING ELEMENT - A light emitting section emits fluorescence upon receiving exciting light emitted from a laser element. The light emitting section includes a plurality of fluorescent material particles made from a single type of fluorescent material or several types of fluorescent materials, the plurality of fluorescent material particles being accumulated on a metal substrate to form a layer of the plurality of fluorescent material particles. Each of the plurality of fluorescent material particles has a surface coated with a coating layer. The coating layer forms an uneven shape of a surface of the light emitting section. | 08-09-2012 |
20120224384 | LIGHT EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE HEADLAMP - An illumination device | 09-06-2012 |
20120275134 | LIGHT PROJECTION UNIT AND LIGHT PROJECTION APPARATUS - A light projection unit capable of improving light use efficiency is provided. This light projection unit includes: a fluorescent member that includes an illuminated surface to which laser light is directed, converts at least part of the laser light into fluorescent light and outputs the fluorescent light from chiefly the illuminated surface; and a reflection member that includes a first reflection surface which reflects the fluorescent light output from the fluorescent member. The illuminated surface of the fluorescent member is inclined with respect to a predetermined direction in such a way that the illuminated surface faces in a direction opposite to a light projection direction. | 11-01-2012 |
20120275174 | LIGHT PROJECTION UNIT AND LIGHT PROJECTION DEVICE - A light projection unit is provided that can reduce the production of a portion where the light density is excessively increased on a fluorescent member. This light projection unit includes: a light collection member that includes a light entrance surface and a light emission surface which has an area smaller than that of the light entrance surface; a fluorescent member that includes an application surface to which the laser light emitted from the light collection member is applied and that mainly emits fluorescent light from the application surface; and a light projection member that projects the fluorescent light. The light emission surface of the light collection member is arranged a predetermined distance from the application surface of the fluorescent member. | 11-01-2012 |
20120314442 | LIGHT PROJECTION APPARATUS, LIGHT CONDENSING UNIT, AND LIGHT EMITTING APPARATUS - A light projection apparatus that can produce an elongate light projection pattern is provided. The light projection apparatus includes a fluorescent member which is excited with exciting light and a light projecting member which reflects or transmits the light emanating from the fluorescent member to project it outside. The fluorescent member includes an irradiated region which is irradiated with the exciting light, and the length of the irradiated region in a first direction is greater than its length in a second direction. | 12-13-2012 |
20130003347 | LIGHT EMITTING DEVICE - In a light emitting device ( | 01-03-2013 |
20130003403 | LIGHT-PROJECTING DEVICE, AND VEHICLE HEADLAMP INCLUDING LIGHT-PROJECTING DEVICE - A light-projecting device according to the present invention includes a plurality of light source units including (i) a light emitting section that emits light upon receiving a laser beam and (ii) a reflector. Each of the light source units project light to a corresponding one of light-projected spots which is a region to which light is projected in an illuminated region in a partitioning manner, and the illuminated region is formed by combining a plurality of the light-projected spot. | 01-03-2013 |
20130027951 | ILLUMINATION DEVICE AND VEHICLE HEADLAMP INCLUDING THE ILLUMINATION DEVICE - A headlamp system in accordance with the present invention includes (i) a laser light source unit including a light emitting section that emits light upon reception of a laser beam and (ii) an LED light source unit including an LED. The laser light source unit distributes light to a light-distributed spot, and the LED light source unit distributes light to a light-distributed area. | 01-31-2013 |
20130027962 | LIGHT SOURCE DEVICE, LIGHTING DEVICE, VEHICULAR HEADLIGHT, AND VEHICLE - A headlight system in accordance with the present invention includes: a semiconductor laser element that emits laser light; a light-emitting section 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 that mixes the laser light and fluorescence which are contained in the illumination light emitted by the light-emitting section. | 01-31-2013 |
20130182452 | LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE HEADLAMP - A headlamp ( | 07-18-2013 |
20130243247 | PERIPHERAL INFORMATION GENERATING APPARATUS, CONVEYANCE, PERIPHERAL INFORMATION GENERATING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - The peripheral information generating apparatus includes (i) a projection section for forming a projection pattern L, which at least partially has a continuous profile, on a road by irradiating the road with light, (ii) an image capturing section, and (iii) an image analyzing section for generating peripheral information, which indicates a peripheral situation of the peripheral information generating apparatus and of the road, by analyzing the projection pattern. | 09-19-2013 |
20130258689 | LIGHT-EMITTING DEVICE, FLOODLIGHT, AND VEHICLE HEADLIGHT - A light-emitting device includes a light-emitting section, a lens, and a movement control section, the movement control section changing an illumination position and a spot size of a laser beam in the light-emitting section by changing a relative position of the lens with respect to the light-emitting section. | 10-03-2013 |
20130265561 | LIGHT-EMITTING DEVICE AND VEHICLE HEADLIGHT - A light-emitting device includes a plurality of laser elements, a light-emitting section for emitting light in response to a laser beam, and an emission control section for controlling whether each of the plurality of laser elements emits light or not. At least a part of the plurality of laser elements is positioned in such a manner that irradiation regions of the light-emitting section are positioned at least partially differently. | 10-10-2013 |
20130314937 | LIGHT PROJECTING DEVICE AND VEHICULAR HEADLAMP - A light projecting device of the present invention includes: a light source unit including (i) a laser element for emitting light, (ii) a light converging lens for converging the light emitted from the laser element, and (iii) a light emitting section for emitting light upon receipt of the light converged by the light converging lens; and a reflector for projecting light emitted from the light source unit. The light source unit is provided so as to be attached to or detached from a fixed part to which the light source unit is to be fixed. | 11-28-2013 |
20140056021 | LIGHT-EMITTING DEVICE, VEHICLE HEADLAMP AND ILLUMINATON APPARATUS - A headlamp includes the laser chip which emits excitation light, a light-emitting section which contains a phosphor, and an optical rod. The excitation light emitted from the laser chip is optically guided by the optical rod, and the light output from the optical rod enters the light-emitting section. An edge is present in the light intensity distribution of the light-emitting section. | 02-27-2014 |
20150062943 | LIGHT-EMITTING UNIT, LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE HEADLIGHT - A light-emitting unit according to the present invention includes: a fluorescent section for emitting light upon irradiation with a laser beam; and a wavelength selection filter being provided so as to face the fluorescent section. The wavelength selection filter reflects the laser beam toward the fluorescent section and transmits fluorescence emitted from the fluorescent section. | 03-05-2015 |