Patent application number | Description | Published |
20110044070 | LIGHT SOURCE DEVICE - A light source device includes a first semiconductor laser element that oscillates a first laser beam having a visible-region wavelength, a second semiconductor laser element that oscillates a second laser beam having a visible-region wavelength, and a light-scattering body that is irradiated with first laser beam and second laser beam to scatter first laser beam and second laser beam without changing the wavelengths. Because the wavelengths are not converted, first laser beam and second laser beam oscillated from first semiconductor laser element and second semiconductor laser element are emitted without generating energy losses of first laser beam and second laser beam. | 02-24-2011 |
20110157865 | ILLUMINATION DEVICE - Provided is an illumination device capable of reducing coherence of laser light emitted from a laser irradiation device to ensure safety to the eye at low cost. In the illumination device for exciting a fluorescent substance by irradiating the fluorescent substance with the laser light from the laser irradiation device to emit visible light for use as illumination light, a light scattering material is placed on and around an optical axis of the laser light. | 06-30-2011 |
20110279999 | LIGHT GUIDE MEMBER, LASER LIGHT GUIDE STRUCTURE BODY, LASER SHINING APPARATUS, AND LIGHT SOURCE APPARATUS - A light guide member | 11-17-2011 |
20110280033 | LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE HEADLAMP - A headlamp includes: a laser diode for emitting laser beam; a light-emitting section for emitting light when irradiated with the laser beam emitted from the laser diode; and a cooling device for cooling the light-emitting device by use of a fluid. With the arrangement, it is possible to prevent an increase in temperature of the light-emitting section which is irradiated with excitation light, and thereby to realize a light source of long lifetime. | 11-17-2011 |
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 |
20120106183 | LIGHT EMITTING DEVICE, VEHICLE HEADLAMP, AND ILLUMINATION DEVICE - A headlamp includes an laser element for emitting a laser beam; a light emitting section for emitting fluorescence by receiving the laser beam emitted from the laser element; and a parabolic mirror for reflecting the fluorescence emitted from the light emitting section, the light emitting section being placed so that a focal point of the parabolic mirror and a periphery of the focal point are positioned on the light emitting section, the light emitting section being most strongly excited at a portion corresponding to the focal point, meanwhile, at a portion corresponding to the periphery of the focal point, the light emitting section being excited with intensity being dependent on light intensity distribution of the excitation light on an irradiation surface of the light emitting section. | 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 |
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 |
20120327679 | LIGHT EMITTING DEVICE, HEADLIGHT FOR A VEHICLE, AND ILLUMINATION DEVICE - A head lamp | 12-27-2012 |
20130003347 | LIGHT EMITTING DEVICE - In a light emitting device ( | 01-03-2013 |
20130003400 | ILLUMINATION DEVICE AND VEHICLE HEADLIGHT - A headlight of the present invention includes: a fluorescent material light-emitting section; a reflector that reflects light emitted from the fluorescent material light-emitting section so as to emit reflected light out of the headlight; and a mini-mirror that reflects, toward a predetermined surface of the fluorescent material light-emitting section provided substantially at a focal point of the reflector, at least part of light that has not been directed toward the reflector. The mini-mirror has its optical axis inclined with respect to a normal line of the predetermined surface. | 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 |
20130027964 | ILLUMINATION DEVICE AND VEHICLE HEADLIGHT - In a head lamp | 01-31-2013 |
20130182452 | LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE HEADLAMP - A headlamp ( | 07-18-2013 |
20130201708 | LIGHT PROJECTION DEVICE AND LIGHT GUIDE MEMBER USED IN SAME - A light projection device that can change a light projection pattern is provided. The light projection device includes: a plurality of excitation light sources that emit excitation light; a fluorescent member that is excited by the excitation light from the excitation light sources; a control portion that controls outputs of the excitation light sources; and a light projection member that projects light emitted from the fluorescent member. The fluorescent member includes a plurality of application regions to which the excitation light is applied, and the control portion controls the outputs of the excitation light sources so as to individually control the excitation states of the application regions. | 08-08-2013 |
20130235601 | ILLUMINATION DEVICE AND VEHICLE HEADLAMP - A headlamp in accordance with one aspect of the present invention is configured such that a first light source is provided at a focal position of a parabolic mirror, a second light source is provided in a position different from the focal position, and lighting of each of the first and second light sources is controlled, whereby a light-projection pattern is changed. | 09-12-2013 |
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 |
20140078717 | ILLUMINATION DEVICE - Provided is an illumination device capable of reducing coherence of laser light emitted from a laser irradiation device to ensure safety to the eye at low cost. In the illumination device for exciting a fluorescent substance by irradiating the fluorescent substance with the laser light from the laser irradiation device to emit visible light for use as illumination light, a light scattering material is placed on and around an optical axis of the laser light. | 03-20-2014 |
20140362600 | HEADLIGHT SYSTEM INCORPORATING ADAPTIVE BEAM FUNCTION - A light source system comprising projection optics, which are capable of producing a far-field image of a light source. The light source comprises a fluorescent medium that when illuminated by light from laser emitters of a first waveband emits light of a second or more wavebands of longer wavelength. The resulting light emission produces a colour perceived as white. The light source is illuminated by a plurality of laser emitters arranged to illuminate the light source in an array-like manner. Control of the output of one or more of the laser emitters results in a variation of the spatial emission distribution from the light source and hence a variation of the far-field beam spot distribution via non-mechanical means. | 12-11-2014 |
20140369065 | ILLUMINATION DEVICE AND VEHICLE HEADLIGHT - In a head lamp | 12-18-2014 |
20150022997 | LIGHTING APPARATUS, HEADLAMP, AND MOBILE BODY - A lighting apparatus is provided that, while suppressing an increase in size, can change the illuminating direction. The lighting apparatus has: a laser generator which emits laser light; a light emitting member which is irradiated with the laser light emitted from the laser generator to emit light; an irradiated position changer which moves and thereafter stops an irradiated position at which the light emitting member is irradiated with the laser light; and a light projecting member which projects the light emitted from the light emitting member. | 01-22-2015 |
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 |