Patent application number | Description | Published |
20110063115 | LIGHT EMITTING DEVICE, ILLUMINATION DEVICE, AND PHOTO SENSOR - Provided is a light emitting device improved in safety to an eye. The light emitting device includes: a semiconductor laser element for emitting laser light; an optical conversion member for converting coherent laser light which is emitted from the semiconductor laser element into incoherent light, and for emitting the incoherent light; and a safety device for preventing the coherent laser light from exiting to an outside. | 03-17-2011 |
20110141403 | LIGHT-EMITTING MODULE UNIT, LIGHT GUIDE UNIT, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - In an LED module (MJ), a recessed portion (DH) is formed by hollowing at least a part of a region of a non-mounting substrate surface ( | 06-16-2011 |
20110148280 | VEHICLE HEADLAMP AND ILLUMINATING DEVICE - A headlamp | 06-23-2011 |
20110248624 | ILLUMINATING DEVICE AND VEHICLE HEADLAMP - A headlamp | 10-13-2011 |
20110279007 | LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, ILLUMINATING DEVICE, AND VEHICLE HEADLAMP - The light emitting part is obtained by depositing fluorescent materials on a metal plate with a predetermined shape to form a fluorescent material film. The fluorescent material emits light upon irradiation with a laser beam. | 11-17-2011 |
20110279039 | LASER DOWNLIGHT AND LASER DOWNLIGHT SYSTEM - A laser downlight in accordance with the present invention includes: a laser diode for emitting a laser beam; an optical fiber having (i) an incidence end through which the optical fiber receives the laser beam emitted from the laser diode and (ii) an emitting end through which the optical fiber emits the laser beam received through the incidence end; and a light emitting section which emits light in response to the laser beam emitted through the emitting end. This achieves a small laser downlight that produces high luminous flux and consumes low electric power. | 11-17-2011 |
20110280032 | LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE HEADLIGHT - To provide a light source which can emit light having a high luminance and a high luminous flux, a light-emitting device disclosed herein includes: a laser light source | 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 |
20110280039 | LIGHT EMITTING DEVICE, ILLUMINATING DEVICE, AND VEHICLE HEADLAMP - Disclosed is a light emitting device including: a single or a plurality of laser diode(s) configured to emit a laser beam; a light emitting body configured to emit light upon irradiation with the laser beam(s); and an optical fiber guiding the single or plurality of laser beam(s) emitted from the single or plurality of laser diode(s) to a vicinity of the light emitting body and irradiating the guided single or plurality of laser beam(s) to a predetermined laser beam irradiation plane of the light emitting body, in a dispersed manner. This allows for achieving a high-luminance and a long life. | 11-17-2011 |
20120057364 | LIGHT-EMITTING DEVICE, ILLUMINATING DEVICE, VEHICLE HEADLAMP, AND METHOD FOR PRODUCING LIGHT-EMITTING DEVICE - A headlamp disclosed includes: a laser diode for emitting a laser beam; a light emitting section including a fluorescent material which emits light in response to excitation light emitted from the laser diode; a light-transmitting heat conducting member which is provided so as to face a laser beam irradiation surface of the light emitting section and receive heat of the light emitting section; and an adhesive layer filling a gap between the heat conducting member and the laser beam irradiation surface. This arrangement improves efficiency of the heat conducting member in absorbing the heat of the light emitting section, and consequently cools the light emitting section efficiently. | 03-08-2012 |
20120106184 | ILLUMINATION APPARATUS AND VEHICULAR HEADLAMP - A headlamp includes a semiconductor laser for emitting laser beams having a bluish purple oscillation wavelength, a light emitting section for emitting light while being irradiated with the laser beams emitted from the semiconductor laser, and a transmission filter for shielding coherent components included in the laser beams whereas transmitting incoherent components included in the laser beams. | 05-03-2012 |
20120106185 | LIGHT EMITTING DEVICE, ILLUMINATING EQUIPTMENT, AND VEHICLE HEADLAMP - A headlamp of the present invention includes: a laser diode for emitting a laser beam with coherence; and a light emitting section which, upon irradiation with the laser beam from the laser diode, emits light so that the light is outputted from the light emitting device. The headlamp further includes an excitation light output prevention member for preventing the laser beam from the laser diode from being outputted from the headlamp while the laser beam maintains coherence. | 05-03-2012 |
20120106186 | ILLUMINATION APPARATUS AND VEHICULAR HEADLAMP - A headlamp includes (i) a semiconductor laser for emitting laser beams, (ii) a light emitting section that includes a first fluorescent material having a peak of emission spectrum which peak falls within a range from 450 nm to 500 nm, and that emits white fluorescence while being irradiated with exciting light emitted from the semiconductor laser, and (iii) a transmission filter for shielding the laser beams and transmitting the fluorescence emitted from the light emitting section. | 05-03-2012 |
20120119638 | LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AND METHOD FOR PRODUCING LIGHT EMITTING DEVICE - The present invention provides a light emitting element including a transparent substrate being transparent to laser light L and having a light receiving surface for receiving the laser light L and a reverse surface of the light receiving surface, and a light emitting section for generating fluorescent light upon receiving the laser light having passed through the transparent substrate, the light emitting section being provided to face the reverse surface, the transparent substrate having a heat conductivity and the light receiving surface having or provided with a microstructure in which either or both of a plurality of projections or a plurality of fine pores are arranged with intervals. | 05-17-2012 |
20120139409 | LIGHTING DEVICE AND VEHICLE HEADLAMP - A headlamp | 06-07-2012 |
20120140496 | WAVELENGTH CONVERSION MEMBER, LIGHT EMITTING DEVICE, ILLUMINATING DEVICE, VEHICLE HEADLAMP, AND PRODUCTION METHOD - A headlamp according to an embodiment of the present invention includes a laser diode which emits a laser beam and a light emitting section which emits light upon receiving the laser beam. The light emitting section has heat-resistant (heat-tolerant) fluorescent material dispersed inside heat-resistant transparent sealing material. Accordingly, the headlamp is capable of functioning as a small-sized light source having high luminance and high luminous flux and which can be used for a long period of time. | 06-07-2012 |
20120195057 | LIGHT EMITTING DEVICE, ILLUMINATING DEVICE, AND HEADLAMP - A light emitting device of the present invention includes: an LD chip for emitting excitation light; a light emitting body for emitting fluorescence upon irradiation with the excitation light from the LD chip; and a mirror including a light reflecting concave surface for reflecting the fluorescence from the light emitting body, the light reflecting concave surface of the mirror having a through-hole at a region other than a bottom region in the vicinity of the bottom of the light reflecting concave surface, and a truncated pyramid light converging section being inserted into the through-hole in order to guide the excitation light from the LD chip to the light emitting body. | 08-02-2012 |
20130010492 | LAMP COMPRISING A PHOSPHOR, RADIATION SOURCE, OPTICAL SYSTEM AND HEATSINK - A lamp comprises a thin layer of phosphor ( | 01-10-2013 |
20130208496 | ILLUMINATING DEVICE - An illuminating device capable of improving eye-friendliness is provided. The illuminating device includes a fluorescent member that is irradiated with laser light functioning as excitation light to emit fluorescence, a condensation sensor that detects condensation near an optical path of the laser light, and a controller that limits irradiation of the laser light onto the fluorescent member in a case where the condensation sensor has detected condensation. | 08-15-2013 |
20130301288 | VEHICLE HEADLAMP AND ILLUMINATING DEVICE - A headlamp | 11-14-2013 |
20130329442 | WAVELENGTH CONVERTING MEMBER, LIGHT-EMITTING DEVICE, ILLUMINATING DEVICE, VEHICLE HEADLIGHT, AND METHOD FOR PRODUCING WAVELENGTH CONVERTING MEMBER - The light-emitting section contains a fluorescent substance which is a YAG:Ce fluorescent substance. An average particle size of the fluorescent substance is 1·m or larger and 50·m or smaller, and a sealing material for sealing the fluorescent substance has a density of 2.0 g/cm | 12-12-2013 |
20130335989 | LIGHT-EMITTING APPARATUS, ILLUMINATION SYSTEM, VEHICLE HEADLAMP, PROJECTOR, AND METHOD FOR MANUFACTURING LIGHT-EMITTING APPARATUS - A headlamp ( | 12-19-2013 |
20140003074 | WAVELENGTH CONVERSION MEMBER AND METHOD FOR MANUFACTURING THE SAME, AND LIGHT-EMITTING DEVICE, ILLUMINATING DEVICE, AND HEADLIGHT | 01-02-2014 |
20140016300 | LIGHT EMITTING DEVICE, ILLUMINATING APPARATUS, AND LIGHT EMITTING METHOD - A headlamp emits illumination light obtained by mixing a laser beam with fluorescent light. The headlamp includes a semiconductor laser that emits the laser beam and a light emitting unit including a fluorescent material that receives the laser beam and emits the fluorescent light. A peak wavelength of the laser beam emitted from the semiconductor laser is longer than a wavelength at which an external quantum efficiency of the fluorescent material is at a maximum. | 01-16-2014 |
20140126178 | LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE - The light emitting part is obtained by depositing fluorescent materials on a metal plate with a predetermined shape to form a fluorescent material film. The fluorescent material emits light upon irradiation with a laser beam. | 05-08-2014 |
20140168940 | LASER-BEAM UTILIZATION DEVICE AND VEHICLE HEADLIGHT - A headlamp ( | 06-19-2014 |
20140168942 | LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND METHOD FOR PRODUCING LIGHT-EMITTING ELEMENT - A light-emitting section ( | 06-19-2014 |
20140185272 | LIGHTING DEVICE - Provided is a lighting device that can suppress decrease in its luminous efficiency and shortening of its life. A lighting device ( | 07-03-2014 |
20140204398 | POSITIONAL DEVIATION DETECTION UNIT, LIGHT EMITTING DEVICE, ILLUMINATION APPARATUS, PROJECTOR, VEHICLE HEADLAMP, AND POSITIONAL DEVIATION ADJUSTMENT METHOD - A positional deviation detection unit ( | 07-24-2014 |
20140321151 | ILLUMINATION APPARATUS, VEHICLE HEADLAMP, AND DOWNLIGHT - A headlamp includes a plurality of laser devices that emit laser light and a light emitting section that generates light upon receiving light. The laser light sources generate laser light of a plurality of wavelengths different from one another and each generate laser light of a wavelength that causes the light emitting section to generate light, and the one light emitting section is irradiated with laser light from the plurality of laser light sources. | 10-30-2014 |
20140347843 | LIGHT-EMITTING DEVICE, ILLUMINATING DEVICE, VEHICLE HEADLAMP, AND METHOD FOR PRODUCING LIGHT-EMITTING DEVICE - A headlamp disclosed includes: a laser diode for emitting a laser beam; a light emitting section including a fluorescent material which emits light in response to excitation light emitted from the laser diode; a light-transmitting heat conducting member which is provided so as to face a laser beam irradiation surface of the light emitting section and receive heat of the light emitting section; and an adhesive layer filling a gap between the heat conducting member and the laser beam irradiation surface. This arrangement improves efficiency of the heat conducting member in absorbing the heat of the light emitting section, and consequently cools the light emitting section efficiently. | 11-27-2014 |