Koito Manufacturing Co., Ltd. Patent applications |
Patent application number | Title | Published |
20160138772 | VEHICULAR LAMP - A vehicular lamp includes a plurality of light sources ( | 05-19-2016 |
20160102833 | LIGHT EMITTING DEVICE AND VEHICLE LAMP - A light emitting device includes a planar light emitting body configured to emit light in a planar shape, and a transparent member configured to control the light from the planar light emitting body. The transparent member has a light incidence surface arranged so as to face a light emitting surface of the planar light emitting body and configured to cause the light from the planar light emitting body to be incident on the transparent member and a light emission surface configured to emit, to the outside, the light which is propagated in the transparent member. The transparent member is formed so as to extend in a predetermined direction and formed such that a distance between the light incidence surface and the light emission surface changes in accordance with a position in the predetermined direction. | 04-14-2016 |
20160102302 | COMPOSITE MATERIAL AND METHOD OF MANUFACTURING COMPOSITE MATERIAL - A composite material includes: an apatite crystal in the form of a tube; and a functional component accommodated in the apatite crystal tube and constituted by a material having physical properties different from those of the apatite crystal. The apatite crystal may be a monocrystal given by the general formula M | 04-14-2016 |
20160097505 | VEHICLE LAMP - A vehicle lamp includes a shade movable between a light blocking position and a light blocking release position. A light emitting surface of a light emitting element faces one side in a lateral direction and an upper end edge of the light emitting surface extends in a front-rear direction. A reflective surface of a reflector includes a first reflective area and a second reflective area. A low-beam light distribution pattern having a horizontal cut-off line and an oblique cut-off line is formed by a reflected light beam from the first reflective area when the shade is at the light blocking position, and a high-beam light distribution pattern is formed by the reflected light beams from the first reflective area and the second reflective area when the shade is at the light blocking release position. | 04-07-2016 |
20160096467 | VEHICLE LAMP AND LIGHTING CIRCUIT THEREOF - A lighting circuit, which is mounted in a vehicle lamp, can change the luminance at high speeds. The lighting circuit is used together with a semiconductor light source and makes up a vehicle lamp. A switching converter supplies power to the semiconductor light source. A converter controller controls the switching converter. A current detection circuit detects a current I | 04-07-2016 |
20160091165 | VEHICLE LAMP - A vehicle lamp includes a first semiconductor light emitting device, a second semiconductor light emitting device and a heat sink having a device mounting portion on which the first semiconductor light emitting device and the second semiconductor light emitting device are mounted. The heat sink is formed so as to define a lamp compartment which the first semiconductor light emitting device and the second semiconductor light emitting device face and a space which is defined outside the lamp compartment. The device mounting portion has a first device disposing surface and a second device disposing surface on which the first semiconductor light emitting device and the second semiconductor light emitting device are disposed, respectively, and a recess portion which defines a space which is opened towards the space defined outside the lamp compartment. | 03-31-2016 |
20160091161 | VEHICLE LAMP - A vehicle lamp is configured to selectively perform low beam irradiation and high beam irradiation, and includes at least two reflector units each including a first light emitting element and a second light emitting element disposed next to each other in a front-rear direction and a reflector that reflects emitted light beams from the first light emitting element and the second light emitting element forward. In the vehicle lamp, a low-beam light distribution pattern or part of the low-beam light distribution pattern is formed by simultaneously turning on the first light emitting element of each of the reflector units, and a high-beam light distribution pattern or part of the high-beam light distribution pattern is formed by simultaneously turning on the second light emitting element of each of the reflector units. | 03-31-2016 |
20160084468 | VEHICULAR LAMP - A vehicular lamp includes a light source; and a light guide disposed such that light emitted from the light source is incident on an end face of the light guide. The light guide emits light, guided into its interior, heading vehicle-forward from an exit face of the light guide running along the light guide's lengthwise extension. The light guide includes reflection steps formed on a surface of the light guide on a side reverse from the exit face, for reflecting light guided into the light-guide interior toward the exit face; and a plurality of diffusion flutes formed on said end face, each being arcuate in substantially horizontal cross-section through said end face, and each being of constant form in substantially perpendicular extension. | 03-24-2016 |
20160084465 | VEHICLE LAMP - In a vehicle lamp in which a plurality of lamp units is arranged side by side in a direction intersecting with a lamp longitudinal direction, a central luminous intensity of a light distribution pattern is increased while securing a sufficient irradiation light quantity. A first additional reflector | 03-24-2016 |
20160081171 | LIGHTING CIRCUIT AND VEHICLE LAMP HAVING THE SAME - A lighting circuit for a light source includes a drive circuit and an overcurrent protection circuit. The drive circuit supplies power to the light source. The overcurrent protection circuit is inserted between the drive circuit and the light source. The overcurrent protection circuit restricts a lamp current flowing into the light source so that the lamp current does not exceed an overcurrent threshold value. The overcurrent protection circuit includes a transistor, an inductor, a rectifier, a current sensor and an overcurrent protection controller. The current sensor generates a current detection signal according to the lamp current. The overcurrent protection controller controls ON/OFF of the transistor based on the current detection signal and the overcurrent threshold value. The transistor, the inductor and the rectifier are disposed in a T-shape. | 03-17-2016 |
20160069819 | VEHICLE LAMP DEVICE AND ABNORMALITY DETECTOR OF LIGHT SOURCE THEREOF - An abnormality detector for a light source includes a laser diode which emits an excitation light and a fluorescent substance which is excited by the excitation light to generate a fluorescent light. The abnormality detector includes a first photo sensor which is sensitive to a wavelength of the excitation light, a second photo sensor which is sensitive to a wavelength of the fluorescent light, a first current-voltage conversion circuit which outputs a first detection signal based on an output of the first photo sensor, a second current-voltage conversion circuit which outputs a second detection signal based on an output of the second photo sensor, and a determination unit which determines whether an abnormality occurs based on the first detection signal and the second detection signal. | 03-10-2016 |
20160061397 | VEHICULAR LAMP - A vehicular lamp includes a lamp body, a translucent outer cover, and a planar light source including a substrate and an organic EL light emitting layer formed on one side surface of the substrate. The planar light source has a bent portion in which the substrate having flexibility is bent at a predetermined position in a portion formed with the organic EL light emitting layer such that one end portion of the substrate is directed to one of a side of the outer cover and a side opposite to the outer cover, or the planar light source is provided such that at least part of an outer peripheral end of the organic EL light emitting layer emits light. | 03-03-2016 |
20160059781 | ELECTRONIC CONTROL UNIT AND IN-VEHICLE VIDEO SYSTEM - An in-vehicle video system includes cameras that capture rear and side areas of a vehicle body, monitors that display video images captured by the cameras on screens thereof, and an ECU that shapes the video images that are displayed on the monitors. The cameras are accommodated in housings that are provided on left and right sides of a vehicle body, and side turn signal lamps are provided individually on external surfaces of the housings. The ECU controls a video image processing circuit so that the video images of the rear and side areas of the vehicle body are displayed on two portions of the screen of the monitor at different compression ratios and that the compression ratios change according to vehicle information. | 03-03-2016 |
20160047519 | VEHICLE LIGHTING DEVICE - A vehicle lighting device includes a light source, a projection lens, a drive circuit board, and a housing. The light source includes a light emitting surface. The projection lens faces the light emitting surface and is disposed so that at least a part of light emitted from the light source passes through the projection lens. The drive circuit board includes a circuit to control switching of the light source on and off. The housing supports the light source and the drive circuit board and defines a part of a lamp chamber which houses the projection lens. A first direction that is a normal direction to the light emitting surface intersects a second direction that is a normal direction to a main surface of the drive circuit board. | 02-18-2016 |
20160040848 | VEHICLE LAMP - A vehicle lamp includes a projection lens and a first light source. Light emitted from the first light source is irradiated forward through the projection lens. The shade blocks a part of light from the first light source toward the projection lens to form a low beam light distribution pattern. The light emitting unit causes light to be incident onto the projection lens to form a high beam supplementary light distribution pattern. The light emitting unit includes a second light source and a transparent member. Light emitted from the second light source is incident on the transparent member. The transparent member emits the incident light from the front end surface thereof. An emission window is formed in the upper surface of the transparent member and in rear of a front edge of the upper surface. The emission window emits the light incident onto the transparent member, toward the projection lens. | 02-11-2016 |
20160040847 | VEHICLE LAMP - A planar light emitting body | 02-11-2016 |
20160039286 | VEHICLE DISPLAY SYSTEM - A vehicle display system displays information on a road surface. The vehicle display system includes an other-entity detector, an intersection detector, and a display device. The other-entity detector detects whether or not another entity approaches a vehicle mounted with the vehicle display system. The intersection detector detects whether or not the vehicle approaches an intersection. When the other-entity detector detects that said another entity approaches the vehicle or when the intersection detector detects that the vehicle approaches the intersection, the display device displays a predetermined shape in a predetermined region of a road surface ahead of the vehicle while moving the predetermined shape. | 02-11-2016 |
20160025321 | AUTOMOTIVE HEADLAMP, HEAT RADIATING MECHANISM, LIGHT-EMITTING APPARATUS AND LIGHT SOURCE FIXING MEMBER - In an automotive headlamp, a light-emitting module is configured such that a light-emitting element and a control circuit unit for controlling the lighting of the light-emitting element are structured integrally with each other. A control circuit unit in a position anterior to the light-emitting element in a lamp unit is located below a shade section so that the control circuit unit can be clear of the path of light used to form a low beam light distribution pattern of the light emitted by the light-emitting element. In this setting, the light-emitting element is so located that a main optical axis Ax | 01-28-2016 |
20150372198 | LIGHT EMITTING MODULE - A light emitting module includes a semiconductor light emitting element, an optical wavelength conversion member configured to convert the wavelength of element light emitted from the semiconductor light emitting element and to emit converted light, having a color different from the element light, a transmitting member disposed between the semiconductor light emitting element and the optical wavelength conversion member and configured to allow the element light to be transmitted therethrough, the transmitting member being made of a thermal conductive material that transfers the heat generated from the optical wavelength conversion member to the outside, and a transparent adhesive bonding the optical wavelength conversion member and the transmitting member to each other, the adhesive having a thickness of 2.0 μm or less. | 12-24-2015 |
20150362146 | VEHICLE LAMP UNIT AND VEHICLE HEADLAMP - A movable shade ( | 12-17-2015 |
20150345740 | ILLUMINATION UNIT AND VEHICLE LAMP - An illumination unit includes a transparent substrate, a light source, a first half mirror, and a mirror. The light source is mounted on the transparent substrate. The first half mirror is disposed on a front side of the transparent substrate. The mirror is disposed on a rear side of the transparent substrate. Light emitted from the light source is repeatedly reflected between the first half mirror and the mirror while being transmitted through the transparent substrate, so as to be output forward from the first half mirror. | 12-03-2015 |
20150345737 | LIGHT EMITTING DEVICE AND VEHICULAR LAMP - A light emitting device includes a planar light emitting body that includes a light emitting portion having a planar surface from which light is emitted, and a non-light emitting portion from which light is not emitted, the non-light emitting portion being adjacent to the light emitting portion; and a transparent member which is disposed to cover the planar light emitting body, and which has a recessed portion provided at a position facing the non-light emitting portion. | 12-03-2015 |
20150345728 | AUTOMOTIVE LAMP - An automotive lamp includes: a light source; a light emitting member that receives light from the light source and emits light; and a support member that supports the light emitting member. The support member includes a translucent light emitting member accommodating unit. The light emitting member accommodating unit includes a recess in which the light emitting member is accommodated. A light incidence surface and side surfaces of the light emitting member are in contact with the light emitting member accommodating unit in a state in which the light emitting member is accommodated in the recess. | 12-03-2015 |
20150338047 | VEHICULAR HEADLAMP - A vehicular headlamp has a projection lens, a first light source disposed rearward of a rear focal point of the projection lens, a first reflector that reflects emitted light from the first light source above the first light source and toward the projection lens, a shield disposed such that a front end edge of the shield passes through a vicinity of the rear focal point to block a portion of reflected light from the first reflector, a second reflector that is disposed forward of the first reflector, and that reflects the emitted light from the first light source toward a position between the first light source and the shield, and a third reflector that is disposed between the first light source and the shield, and that reflects reflected light from the second reflector toward the projection lens by passing the reflected light below the shield. | 11-26-2015 |
20150325740 | LED UNIT AND MANUFACTURING METHOD THEREOF - An LED unit according to the invention has a resin housing which is detachably assembled to a vehicle lamp, a lead frame which has a terminal portion which is connected to an exterior terminal, an LED mounting portion and a control part mounting portion and lead frame which is provided integrally on the housing, an LED which is mounted on the LED mounting portion, and a control part which is mounted on the control part mounting portion for controlling the illumination of the LED. The lead frame has a support resin which is a resin material which holds the LED mounting portion in such a way as to surround the LED mounting portion. The lead frame is bent to a back side of the LED at areas outside the support resin, and the control part mounting portion and the terminal portion are formed respectively by the bent portions. | 11-12-2015 |
20150323148 | VEHICLE LAMP - A vehicle lamp includes a plurality of lamp units each comprising a light source and a projection lens configured to emit light emitted from the light source to the front. The plurality of lamp units form a light distribution pattern by combining irradiation regions formed by each lamp unit. At least one of the lamp units has a lens driving mechanism configured to tilt the projection lens in a vertical direction. | 11-12-2015 |
20150316225 | LAMP UNIT - A rotary shade is disposed behind a projection lens to block a portion of light emitted from a light source. The rotary shade has a twisted end surface to form an edge projected as a peripheral edge of a light distribution pattern which changes position in relation to the rotation of the shade. The twisted end surface is arranged so that the closer the twisted end surface is to the projection lens the more the twisted end surface approaches the optical axis. The twisted end surface moves from the front to the back of a rear focal point in relation to the rotation of the rotary shade in the direction in which the illumination area of the light distribution pattern increases. | 11-05-2015 |
20150308645 | TILT SENSOR HOUSING CASE AND VEHICLE LAMP SYSTEM - A tilt sensor housing case includes a main body part including a housing space and an opening portion and a lid part configured to close the opening portion. The lid part has a first engaging portion extending along an outer surface of the main body part. The main body part has a second engaging portion on the outer surface corresponding to the first engaging portion. The lid part is mounted to the main body part by a snap-fit coupling using the elasticity of the lid part and locked to the main body part by the engagement of the first and second engaging portions. The main body part has a first protrusion and a second protrusion that are positioned to sandwich the first engaging portion between them, and each of the first and second protrusions protrudes at least up to the same height as the first engaging portion. | 10-29-2015 |
20150307018 | ILLUMINATION CONTROL SYSTEM - In the event that a predetermined illuminance is obtained by illuminating a certain area with light of a first light quantity, an illumination control system illuminates the area with light of a second light quantity which is larger than the first light quantity at a period, and at periods which follow the period, the illumination control system illuminates the area with light of a third light quantity of light which is smaller than the first light quantity. | 10-29-2015 |
20150291082 | VEHICLE LAMP CONTROL APPARATUS - There is provided a vehicle lamp control apparatus including a receiver and a controller. The receive receives an output value of an inclination sensor and a signal output from at least one of a foot brake sensor, a parking brake sensor and a shift position sensor. A total angle which is an inclination angle of a vehicle with respect to a horizontal plane can be derived from the output value of the inclination sensor. The controller adjusts an optical axis angle of a vehicle lamp using the output value of the inclination sensor. The controller outputs an adjustment signal to adjust the optical axis angle of the vehicle lamp in response to change in the total amount when the vehicle is static, except for non-static load change caused by changeover in at least one of a foot brake, a parking brake and a shift position. | 10-15-2015 |
20150290854 | RESIN MOLDED COMPONENT AND METHOD FOR MANUFACTURING RESIN MOLDED COMPONENT - A resin molded piece is made from a crystalline resin and is molded by filling a molding space | 10-15-2015 |
20150283936 | VEHICULAR LAMP - A lamp that is mounted on a vehicle has a transparent substrate including a conductive layer, a light-emitting element supported by the transparent substrate and electrically connected to the conductive layer, a connection portion electrically connected to the conductive layer at an end of the transparent substrate, and a connector electrically connected to the connection portion. | 10-08-2015 |
20150277027 | VEHICULAR LAMP - A vehicular lamp includes a light emitter, a first light guide, and a second light guide. The first light guide has a first incident surface, a first light guiding portion that guides the entering light, a first light emission surface that emits light guided by the first light guiding portion, and a first reflecting surface that reflects the light guided by the first light guiding portion in a direction toward the second light guide. The second light guide has a second light emission surface that emits light that enters the second light guide after being reflected by the first reflecting surface, and a second reflecting surface that reflects the light that enters the second light guide after being reflected by the first reflecting surface toward the second light emission surface. | 10-01-2015 |
20150274064 | VEHICLE LAMP - A vehicle lamp includes a lamp housing having an opening and a cover attached to the lamp housing and closing the opening to form a lamp chamber, and a lamp unit disposed in an interior of the lamp chamber and including a light source having a plurality of planar light emitting bodies. An outer peripheral portion of each of the planar light emitting bodies is a non-light emitting region, and a portion inside the non-light emitting region of each of the planar light emitting bodies is a light emitting region. At least a portion of the non-light emitting region is formed to be transparent. The transparent portion of the non-light emitting region of the planar light emitting bodies and an outer end portion of the light emitting region of other planar light emitting bodies are superimposed to each other in a thickness direction of the planar light emitting bodies. | 10-01-2015 |
20150267890 | VEHICULAR LAMP - A vehicular lamp includes a light source; and a light guide including a sub-light guiding part and a main light guiding part that are arranged adjacent to each other in a first direction. The sub-light guiding part extends in a second direction. The sub-light guiding part is configured such that light entering the sub-light guiding part from the light source is guided in the second direction and is emitted to the main light guiding part. The main light guiding part extends in a lamp front-rear direction and the second direction. The main light guiding part is configured such that the light that is emitted by the light source and enters the main light guiding part through the sub-light guiding part is internally reflected at a rear end face of the main light guiding part, and is emitted forward through a front end face of the main light guiding part. | 09-24-2015 |
20150264754 | VEHICLE LAMP AND VEHICLE LAMP DRIVING DEVICE - There is provided a driving device which is used together with a light source including a plurality of light emitting units connected in series to configure a vehicle lamp. The driving device includes a current source which is configure to supply a drive current to the light source, and N bypass circuits which are provided in parallel to N light emitting units, respectively. Each of the bypass circuits includes a bypass transistor which is provided in parallel to a corresponding light emitting unit, a feedback capacitor which is provided between a gate and a drain of the bypass transistor, and a gate drive circuit which is configured to supply a drive voltage between the gate and a source of the bypass transistor according to a control signal. | 09-17-2015 |
20150257235 | LIGHT EMISSION DEVICE AND LAMP UNIT - A light emission device includes an organic EL panel and a molding resin. In the organic EL panel, an organic EL light emission portion is formed on a substrate. The organic EL panel is flexible. The molding resin shapes the organic EL panel so that the organic EL panel is in a curved state. | 09-10-2015 |
20150252975 | VEHICULAR LAMP - A vehicular lamp includes a plurality of light-emitting elements arranged such that light-emitting surfaces of the light-emitting elements face toward a front of the vehicular lamp; and a projection lens having a plurality of projection regions that face the respective light-emitting elements, and project light source images of the respective light-emitting elements facing the projection regions, to the front of the vehicular lamp. A lamp rear surface of the projection lens has protruding portions provided in the respective projection regions, the protruding portions protruding toward the respective light-emitting elements facing the protruding portions. A lamp front surface of the projection lens is flatter than the lamp rear surface. | 09-10-2015 |
20150251586 | VEHICULAR HEADLAMP APPARATUS - A vehicular headlamp apparatus includes: a headlamp that illuminates ahead of a vehicle; light distribution pattern switching means for switching light distribution pattern of the headlamp between a plurality of light distribution patterns which include, at least, a high beam and a low beam; detecting means for detecting a forward vehicle present in front of the vehicle; controlling means for controlling the light distribution pattern switching means based on a detection result of the detecting means; and turning radius acquiring means for acquiring a turning radius of the own vehicle during running. Moreover, when the turning radius of the own vehicle acquired by the turning radius acquiring means is less than a predetermined value, the controlling means inhibits the switching of the light distribution pattern of the headlamp to a higher side. | 09-10-2015 |
20150241008 | VEHICLE LAMP UNIT - A projection lens is disposed so that light emitted from a light source passes the projection lens. A shade is disposed in rear of the projection lens so as to block a part of the light emitted from the light source. The projection lens includes a first region and a second region. The first region has a first light scattering property. The second region has a second light scattering property lower than the first light scattering property. The shade and the projection lens are disposed so that a part of light projecting an edge of the shade as a peripheral edge of a light distribution pattern passes through the first region and another part of the light projecting the edge of the shade passes through the second region. | 08-27-2015 |
20150230302 | VEHICLE LAMP, DRIVING DEVICE THEREOF, AND CONTROL METHOD THEREOF - A current controller | 08-13-2015 |
20150224915 | VEHICLE LAMP - In a vehicle lamp, light emitting diodes that emit light are disposed on an inner side of a transparent surface cover. A conductive reflector that reflects the light emitted from the light emitting diodes toward the surface cover is provided between the light emitting diodes and the surface cover. The reflector is disposed so as to be in proximity to the light emitting diodes. A grounding connection terminal is provided on the reflector. The grounding connection terminal is connected to a vehicle body. | 08-13-2015 |
20150219302 | VEHICLE LAMP - A vehicle lamp includes a 2D image forming device configured to form a brightness image using light emitted from a light source, an optical projection system configured to project the brightness image forward, and a light blocking member disposed on a path of light emitted from the light source through the 2D image forming device and onward toward the optical projection system, and configured to block at least a portion of the light. | 08-06-2015 |
20150219301 | VEHICLE LAMP - A vehicle lamp | 08-06-2015 |
20150217676 | ACTUATOR - An actuator is configured to adjust the radiation direction of light emitted from a light source of a lamp unit in a lamp case including a lamp housing having an opening at least at one side and a cover that blocks the opening. The actuator includes: a case body having an internal space serving as an installation space; a drive motor disposed in the installation space; and a driven body having a driving force transmitting portion to which driving force is transmitted from the drive motor, and an output shaft that is coupled to the lamp unit and that outputs the driving force transmitted to the driving force transmitting portion to the lamp unit. The driven body is supported by the case body so as to be movable in the front-rear direction of the lamp unit. The driving force transmitting portion and the output shaft are integral with each other. | 08-06-2015 |
20150198301 | VEHICLE LAMP - There is provided a vehicle lamp which uses a lamp body formed from a resin composition containing a base resin and a plant fiber, wherein a mold which is used to mold the lamp body is not corroded, and wherein if the lamp is manufactured by using the lamp body, fogging or an appearance failure is suppressed from being generated on an inner side of a front cover during usage. A vehicle lamp includes a lamp body which is opened at a front thereof, and a front cover which is attached to the lamp body to close a front opening portion of the lamp body, and the lamp body is formed from a resin composition which contains a base resin, a plant fiber and an acid scavenger. | 07-16-2015 |
20150191115 | VEHICLE LAMP AND METHOD FOR CONTROLLING THE SAME - A vehicle lamp that can form a light distribution pattern required therefor effectively even with the existing DMD is provided. A vehicle lamp | 07-09-2015 |
20150182876 | ADSORPTION METHOD, ADSORPTION SEPARATION METHOD, AND DRUG DELIVERY CARRIER - An adsorption method adsorbs a substance by using a tube-shaped apatite crystal. The apatite crystal may be a monocrystal given by a general formula M | 07-02-2015 |
20150176629 | NUT MEMBER - A nut member, which is used for an aiming mechanism of a lamp configured by an aiming screw | 06-25-2015 |
20150138821 | RESIN OPTICAL MEMBER AND AUTOMOTIVE LAMP - A resin optical member allows light to pass therethrough. The resin optical member includes a fine asperity portion formed with fine asperity structure and a flat portion not formed with fine asperity structure. The fine asperity structure include concavities or convexities formed at a pitch equal to or less than a wavelength of visible light. The fine asperity structure includes concavities or convexities having a height 37 nm or more. | 05-21-2015 |
20150137680 | AUTOMOTIVE LAMP - A light emitting lamp according to one embodiment of the present invention includes a laser light source, a scanning unit, which scans the laser light emitted from the laser light source so as to form a visible light distribution pattern, an obstacle detector, which detects an obstacle, if any, in front of a driver's vehicle, and a control unit, which adjusts the intensity of the laser light irradiated to an obstacle existent region, according to the distance from the driver's vehicle to the obstacle, based on the detection result of the obstacle detector. | 05-21-2015 |
20150117047 | VEHICLE LAMP - A vehicle lamp | 04-30-2015 |
20150103551 | VEHICULAR HEADLAMP - A direct projection type vehicular headlamp includes a projection lens having an incident surface and a light emission surface, and a semiconductor light source. A reference surface and a light control surface positioned below the reference surface are provided on the incident surface, and the light control surface is inclined forward with respect to the reference surface in a direction form an upper side to a lower side. The reference surface has a shape to emit from the light emission surface direct light from the semiconductor light source, which has passed through the reference surface and the light emission surface, as substantially parallel light, and the light control surface has a shape to project the direct light from the semiconductor light source, which has passed through the light control surface and the light emission surface, on an upper portion of a predetermined distribution pattern formed by the substantially parallel light. | 04-16-2015 |
20150103545 | VEHICLE LAMP AND METHOD OF MANUFACTURING THE SAME - A vehicle lamp includes a light source including a semiconductor light emitting device, and a metal support member on which the light source is mounted. The support member is integrally formed with a shade portion configured to block a portion of light emitted from the semiconductor light emitting device. | 04-16-2015 |
20150092435 | VEHICLE HEADLAMP - A vehicle headlamp includes a light source, a projection optical member, a light deflector, and a tube shaped housing. The projection optical member projects light, which is incident on the projection optical member, ahead. The light deflector includes a plurality of optical devices that are arrayed. The optical devices are individually switchable between a first state and a second state. In the first state, the optical devices reflect light emitted from the light source to a direction other than a direction towards the projection optical member. In the second state, the optical devices reflect the emitted light towards the projection optical member. The light deflector is disposed inside the housing. The projection optical member is disposed in an opening portion of the housing. A first portion, of the housing, intersecting a path of a light beam incident on the light deflector is transparent. | 04-02-2015 |
20150085514 | VEHICLE HEADLAMP - A vehicle headlamp includes a light source, a projection optical member, and a light deflector. The projection optical member projects incident light ahead. The light deflector is disposed on an optical axis of the projection optical member and includes plural optical devices which are individually switchable between (i) a first state in which light emitted from the light source is reflected to a direction other than a direction toward the projection optical member and (ii) a second state in which the emitted light is reflected toward the projection optical member. An angle between a normal line to a center portion of each optical device when each optical device is in the first state and the optical axis is smaller than that between a normal line to the center portion of each optical device when each optical device is in the second state and the optical axis. | 03-26-2015 |
20150070924 | PRINTED CIRCUIT BOARD AND VEHICULAR LAMP - A printed circuit board on which a surface mount device is mounted includes a plurality of lands respectively soldered to a plurality of electrodes of the surface mount device. The plurality of lands includes at least a pair of adjacent lands each of which has a side surface not covered with a solder resist, and the side surfaces not covered with the solder resists are opposite to each other. | 03-12-2015 |
20150070923 | VEHICULAR LAMP - A vehicular lamp includes: a circuit board having three or more light source mounting portions provided along a vehicle-width direction; a plurality of light sources mounted on the respective light source mounting portions; and a reflector unit having three or more reflectors each reflecting light from each of the light sources. The reflector unit has a first positioning pin and a second positioning pin. The circuit board has a first positioning hole to receive the first positioning pin and a second positioning hole to receive the second positioning pin. The first positioning hole is provided at a location inward of a first end light source mounting portion positioned on one end side in the vehicle-width direction, and the second positioning hole is provided at a position inward of a second end light source mounting portion positioned on the other end side in the vehicle-width direction. | 03-12-2015 |
20150062946 | VEHICULAR LAMP - A vehicular lamp includes a planar light emitting member having an organic EL light emitting portion at part of a substrate, and a reflecting member and a half mirror that are disposed so as to face each other so that light emitted from the organic EL light emitting portion is reflected repeatedly while allowing part of the light to be transmitted to the front. | 03-05-2015 |
20150049499 | ATTACHMENT AND LIGHTING APPARATUS - An attachment adapted to fix a semiconductor light source unit to a support member is provided. The attachment includes a frame having an opening periphery portion defining an opening to allow light emitted from the semiconductor light source unit to pass through the opening, and first and second conductive terminal pieces extending from the opening periphery portion. The first conductive terminal piece extends in one direction to contact a first power receiving portion of the semiconductor light source unit. The second conductive terminal piece extends in the same direction to contact a second power receiving portion of the semiconductor light source unit. | 02-19-2015 |
20150048406 | PHOSPHOR AND LIGHT-EMITTING DEVICE - A phosphor has the general formula (M | 02-19-2015 |
20150048391 | SEMICONDUCTOR LIGHT-EMITTING DEVICE - A semiconductor light-emitting device has a substrate, one or more semiconductor light-emitting elements provided on the substrate, and that emit light having a peak wavelength in a 380 nm to 480 nm wavelength region, and a molded member covering the semiconductor light-emitting element, and containing a phosphor that emits visible light by being excited by the emitted light from the semiconductor light-emitting element. The molded member is formed so that index A=H/(s/n) satisfies 0.3≦A≦6, where H is the height [mm] of the molded member from the substrate, s is the square root [mm] of the contact area between the substrate and the molded member, and n is the number of the semiconductor light-emitting elements covered with the molded member. | 02-19-2015 |
20150043238 | VEHICLE LAMP - A vehicle lamp | 02-12-2015 |
20150036376 | VEHICLE LAMP - Provided is a vehicle lamp | 02-05-2015 |
20150023040 | VEHICULAR LAMP - A vehicular lamp includes a projection lens, a light source disposed to the rear of the projection lens, and an additional lens. First light from the light source is irradiated to the front through the projection lens to form a predetermined light distribution pattern. The projection lens has an elongated external shape when the lamp is seen from the front. The additional lens is disposed on a circumference of the projection lens and configured to control second light from the light source to forwardly pass through the additional lens. | 01-22-2015 |
20150017442 | APATITE CRYSTAL - An apatite crystal is a single crystal expressed by a general formula (M | 01-15-2015 |
20150009700 | LAMP UNIT - A lamp unit has a first light source, a second light source which is illuminated when the first light source is turned off, and a projection lens having a first entering surface which is associated with a first focal point and a second entering surface which is associated with a second focal point. Light emitted from the first light source is incident on the first entering surface and passes through the projection lens. The second light source is disposed between the first light source and the projection lens in a position through which light emitted from the first light source to reach the first entering surface does not pass. Light emitted from the second light source is incident on the second entering surface and passes through the projection lens. | 01-08-2015 |
20140379225 | LIGHT DISTRIBUTION CONTROL SYSTEM FOR VEHICULAR HEADLAMP - A light distribution control system for a vehicular headlamp includes a headlamp configured such that light distribution of the headlamp can be controlled based on a plurality of modes of light distribution control, and a light distribution control electronic control unit configured to control the light distribution of the headlamp based on at least one of the plurality of modes of light distribution control. The light distribution control electronic control unit is configured such that a common unit commonly used in the plurality of modes of the light distribution control and a dedicated unit exclusively used in at least one of the plurality of modes of the light distribution control can be mounted. | 12-25-2014 |
20140376244 | LIGHT EMITTING APPARATUS AND AUTOMOTIVE LAMP - A light emitting apparatus includes LED chips and a light condenser condensing the light emitted from the LED chips. The light condenser has a first opening functioning as an incident part through which the light emitted from the LED chips enters, a side surface function as a reflector that reflects the light having entered through the first opening, and a second opening functioning as an emission part that emits the light reflected by the side surface. A phosphor layer, which converts the wavelength of the light emitted from the LED chips and emits the wavelength-converted light, is formed in the first opening. The light condenser is arranged such that the phosphor layer is located on the light emission surfaces of the LED chips. | 12-25-2014 |
20140373337 | ASSEMBLING APPARATUS AND ASSEMBLING METHOD - An assembling apparatus configured to mount a first part on a second part having an engaged part extending in a first direction includes a holding part configured to hold the first part, an engaging part extending in the first direction and being configured to engage with the engaged part, a support part configured to support the holding part and the engaging part, a first mechanism configured to displace the support part in the first direction, and a second mechanism configured to allow a displacement of the support part in a plane intersecting with the first direction. | 12-25-2014 |
20140340924 | VEHICULAR LAMP - A vehicular lamp includes: a projection lens; a light source arranged to a rear of a rear side focal point of the projection lens; a reflector that reflects light from the light source toward the projection lens; a cut-off forming member arranged between the light source and the projection lens; a first sub-reflector that is arranged in front of the reflector and reflects the light from the light source rearward; and a second sub-reflector that is arranged to the rear of the rear side focal point and reflects reflected light from the first sub-reflector toward the projection lens. | 11-20-2014 |
20140340922 | VEHICLE LAMP - A vehicle lamp includes an optical unit and a light source control circuit part. The optical unit is unitized by attaching a light source and an optical member to an attachment part. In a state where the optical unit is unitized, the light source control circuit part is attachable to the attachment part in a direction in which the light source and the optical member are not disposed. | 11-20-2014 |
20140340915 | VEHICULAR HEADLAMP - A vehicular headlamp includes: a lamp unit including a unit main body and a connecting portion; a leveling actuator that is connected to the connecting portion and that moves the lamp unit to adjust an irradiation direction of the emitted light; and an aiming mechanism that includes a pair of aiming shafts connected to the connecting portion and that moves the lamp unit to adjust an irradiation direction of the emitted light. The connecting portion has a leveling operation portion to which the leveling actuator is connected and a pair of aiming operation portions to which the respective the aiming shafts are connected. The aiming operation portions are arranged spaced from each other in a lateral direction of the vehicular headlamp. The leveling operation portion is arranged between the aiming operation portions, on an opposite side of the unit main body from the aiming shafts. | 11-20-2014 |
20140340909 | LAMP UNIT AND LIGHT DEFLECTING DEVICE - A light deflecting device includes a micro-mirror array and a transparent cover member arranged in front of a micro-mirror array reflective surface. Each of a plurality of mirror elements of the micro-mirror array is selectively switched between a first reflecting position in which the mirror element reflects light such that the reflected light is effectively used as part of a predetermined light distribution pattern, and a second reflecting position in which the mirror element reflects light such that the reflected light is not effectively used. The cover member is configured such that a second angle formed between a mirror element reflective surface when the mirror element is in the second reflecting position and a cover member surface is smaller than a first angle formed between the mirror element reflective surface when the mirror element is in the first reflecting position and the cover member surface. | 11-20-2014 |
20140321132 | VEHICLE LAMP - A vehicle lamp includes a light source, a projection lens through which at least a portion of light emitted from the light source passes, and an adjustment mechanism configured to adjust a reference position of an optical axis of the projection lens. The adjustment mechanism includes a first member having a movement axis, a second member holding the first member, a first screw arranged to adjust the reference position in a first direction, and a second screw arranged to adjust the reference position in a second direction intersecting the first direction. The first member is arranged such that the movement axis is positioned on a plane perpendicular to the optical axis and including a focal point of the projection lens. An action by a rotation of the first screw and an action by a rotation of the second screw are applied to one of the first and second members. | 10-30-2014 |
20140313760 | VEHICULAR LAMP - In a plurality of light source units ( | 10-23-2014 |
20140313755 | VEHICULAR LAMP - A vehicular lamp includes: a movable reflector that has a reflecting surface and changes a direction of reflected light from the reflecting surface, according to an operating position thereof; a first light-emitting unit that emits light toward the reflecting surface; a second light-emitting unit that emits light toward the reflecting surface, from a position different from that of the first light-emitting unit; and a light control member that collects and projects the reflected light. | 10-23-2014 |
20140307456 | VEHICLE LAMP - A vehicle lamp includes a light distribution pattern control unit, a swivel control unit, a leveling control unit, and an ADB control device. The light distribution pattern control unit changes and controls a light distribution pattern of the lamp. The swivel control unit deflects and controls a lamp optical axis in right and left directions. The leveling control unit controls the lamp optical axis in up and down directions. The ADB control device drives and controls the light distribution pattern control unit, the swivel control unit, and the leveling control unit. The ADB control device is configured so that an actuator of the swivel control unit, an actuator of the leveling control unit, and drive circuit sections that drive the light distribution pattern control unit, the swivel control unit, and the leveling control unit, respectively can be incorporated therein individually. | 10-16-2014 |
20140293635 | VEHICULAR HEADLAMP - A vehicular headlamp has a projection lens having an optical axis extending in a front-back direction, a light source disposed behind a rear side focal point of the projection lens, a reflector that reflects direct light from the light source toward the projection lens, a shade disposed between the projection lens and the light source, and that partially blocks light reflected from the reflector and to form a cut-off line of a light distribution pattern, a first reflective surface disposed in front of the reflector, that partially reflects direct light from the light source downward to the a front of the shade, and a second reflective surface disposed in front of the shade and lower than the rear side focal point of the projection lens, that reflects the light reflected from the first reflective surface toward the projection lens. | 10-02-2014 |
20140293634 | VEHICLE LAMP - Disclosed is a projector-type vehicle lamp. The vehicle lamp includes a mirror member which has an upward reflecting surface that upwardly reflects a part of the light reflected from a reflector. A front edge of the upward reflecting surface passes through a rear focus F of a projection lens. A central portion of a front edge of the upward reflecting surface is formed to extend along a meridional image surface of the projection lens, and left and right end portions of the front edge are formed to be displaced forward from the meridional image surface. Accordingly, a central portion of a cut-off line of a low-beam light distribution pattern is formed to be clear and left and right end portions of the cut-off line become blurred such that light may be irradiated to a space in the upper vicinity of the left end portion and/or the right end portion. | 10-02-2014 |
20140293633 | VEHICLE LAMP UNIT - There is provided a lamp unit which is to be installed in a vehicle. The lamp unit includes a light source; a projector lens; a rotary shade that is disposed behind the projector lens so as to block a portion of the light emitted from the light source and that has a rotation axis; and a drive mechanism that rotates the rotary shade about the rotation axis. The rotary shade includes: a first end edge; a second end edge; and a twisted end edge that extends around the rotation axis so as to intersect with the first end edge and the second end edge. A first inclination angle is formed between the rotation axis and a first imaginary plane that is orthogonal to an optical axis of the projector lens. | 10-02-2014 |
20140293625 | COOLING UNIT AND ILLUMINATING APPARATUS - Disclosed are a cooling unit including a blowing device and a heat sink, and an illuminating apparatus including the cooling unit, in which the assembling workability is improved. The blowing device has a frame configured to rotatably support a blower. The heat sink has an accommodating portion. The blowing device is displaceable between a first position at which the blower is disposed outside the accommodating portion, and a second position at which the blower is accommodated in the accommodating portion by the frame pivotably supported outside the accommodating portion. | 10-02-2014 |
20140286034 | VEHICLE LAMP - A vehicle lamp includes a light source and an optical member that reflects light from the light source. The light source includes a base extending in a front-rear direction of the vehicle lamp, and a surface light-emitting device provided on the base. The surface light-emitting device is structured to project a pattern on the optical member. | 09-25-2014 |
20140265890 | LIGHT SOURCE CONTROL DEVICE - Disclosed is a light source control device including a power conversion unit and a control unit. The power conversion unit includes a transfer capacitor provided between a primary side circuit and a secondary side circuit. The primary side circuit is configured such that a first inductor stores energy when a first switching element is ON. The secondary side circuit is configured such that the second inductor limits a changing speed of the driving current. The power conversion unit is configured such that the driving current is raised when the first switching element is ON. The control unit turns OFF when the magnitude of the driving current exceeds the first threshold value, and turns ON the first switching element when the magnitude of the driving current falls below the second threshold value smaller than the first threshold value. | 09-18-2014 |
20140254196 | LAMP - A lamp comprises a light guide, a light source and a subject member; wherein an exit surface of the light guide is arranged at a position exposed to a front side of the subject member or located on a rear side of the subject member while being visible from the front side; wherein a surface of a light-guiding part about the exit surface located on the rear side is covered with paint or an opaque member so that the exit surface seen from the front side appears to have the same color as with surroundings thereof; wherein the subject member is molded by an opaque material or the rear side about the exit surface is covered with the paint or the opaque member; and wherein the light guide and the subject member are molded integrally with each other. | 09-11-2014 |
20140254191 | ELECTRODYNAMIC EXCITER AND VEHICLE LAMP EMPLOYING THE SAME - The configuration is provided with three flexible arms extending in the same circumferential direction, as a suspension for supporting the magnetic circuit unit in displaceable fashion in the vertical direction with respect to a coil support member. This assures sufficient length of each of the flexible arms, enhancing the vibration characteristics. Next, arm insertion slots having approximately the same vertical Width as the flexible arms are formed at three locations in the circumferential direction in the coil support member. The distal end of each flexible arm is then inserted into the arm insertion slot, doing so in the aforementioned same circumferential direction, causing a barb to engage an engaging part and detain the flexible arm. | 09-11-2014 |
20140254188 | AUTOMOTIVE LAMP - An automotive lamp includes a first light source for emitting the red laser light, a second light source for emitting the green laser light, a third light source for emitting the blue laser light, a light condensing unit for collecting at least the red laser light, the green laser light and the blue laser light so as to generate the white laser light, and a light distribution unit for distributing the white laser light so as to form a predetermined light distribution pattern. | 09-11-2014 |
20140254186 | VEHICLE LAMP AND VEHICLE REAR PANEL - A vehicle lamp includes a light guiding portion configured to be provided in at least one section of a vehicle body panel of a vehicle, and a light source arranged to input light into the light guiding portion such that the light is guided inside the light guiding portion. The light guiding portion has an inner surface and an outer surface. The inner surface is configured to face toward an inside of the vehicle and to serve as a light blocking surface to block the light. The outer surface is configured to face toward an outside of the vehicle and to serve as a light exiting surface from which the light is allowed to exit the light guiding portion. The vehicle body panel may be a vehicle rear panel having a resin molded portion, and the vehicle lamp may be provided integrally with the resin molded portion. | 09-11-2014 |
20140252950 | SEMICONDUCTOR LIGHT SOURCE LIGHTING CIRCUIT AND VEHICULAR LAMP - A semiconductor light source lighting circuit includes a voltage step-down unit configured to generate a drive voltage lower than an input voltage by turning on or off a first switching element in a voltage step-down mode, a voltage step-up unit configured to generate the drive voltage higher than the input voltage by turning on or off a second switching element in a voltage step-up mode, and a controller. The controller includes a charge pump unit configured to repeat charging from the drive voltage to a second capacitor and discharging from the charged second capacitor to the first capacitor in the voltage step-up mode, and a switch drive unit configured to apply a voltage higher than the voltage at the other end of the first switching element to the control terminal of the first switching element by using a voltage of the charged first capacitor. | 09-11-2014 |
20140241001 | VEHICULAR LAMP - A vehicular lamp includes a light source, a cooling fan configured to cool the light source, a light source power supply module configured to drive the light source for emission of light, and a control module configured to execute an abnormal rotation detection of the cooling fan and to control the light source power supply module so that the quantity of light emitted from the light source is reduced in response to a detection of abnormal rotation. | 08-28-2014 |
20140241000 | Vehicular Lamp - A vehicular lamp including at least three or more optical systems ( | 08-28-2014 |
20140233252 | VEHICLE LIGHTING DEVICE - There is provided a lighting device which is to be mounted on a vehicle. The lighting device includes: a housing forming a lamp chamber, the housing including a wall having an opening therethrough; a light source which is disposed in the lamp chamber; a heat sink, wherein the light source is fixed to the heat sink; a fixation portion, wherein the heat sink is fixed to the housing via the fixation portion. A first portion of the heat sink faces an inner surface of the wall. A second portion of the heat sink is exposed to an outside of the wall through the opening. The fixation portion is provided on the outside of the wall to face the opening. | 08-21-2014 |
20140218951 | VEHICULAR LAMP - A vehicular lamp has a light source, a pillar-shaped light guide having a plurality of light controlling portions formed on a side surface thereof, and a lens disposed in front of the light guide. Light emitted from the light source enters the light guide from one end surface of the light guide. The light guide guides the light inside the light guide. The light guide emits the guided light forward of the vehicular lamp via the plurality of light controlling portions. The lens has a thick-walled projecting portion. The projecting portion is formed to have a rectangular vertical cross-section. The projecting portion guides the light emitted from the light guide and emits the light forward of the vehicular lamp. | 08-07-2014 |
20140218937 | PROJECTION LENS AND OPTICAL SURFACE DETERMINATION METHOD - A projection lens includes a rear face through which light emitted from a light source enters, and a front face from which the light is emitted in front of a vehicle in a predetermined light distribution pattern. The projection lens is configured such that, upon entering the projection lens, an incoming wavefront emitted from the light source is internally reflected by a first reflection region of the front face, a first intermediate wavefront generated by the internal reflection by the first reflection region is internally reflected by a second reflection region of the rear face, a second intermediate wavefront generated by the internal reflection by the second reflection region is refracted by a refraction region of the front face, and the refracted wavefront is emitted as an outgoing wavefront. The second reflection region is an optical surface determined based on the first intermediate wavefront and the second intermediate wavefront. | 08-07-2014 |
20140216646 | LASER WELDING METHOD - A laser welding method includes positioning two resin molded products that are in contact with each other to a laser head having a mirror, and welding a contact surface of the resin molded products by a laser energy by allowing the laser beam to scan the resin molded products along a welding line with the mirror. The contact surface of the resin products has a first part on which the laser beam is incident at a first angle and a second part on which the laser beam is incident at a second angle larger than the first angle. The welding the contact surface includes controlling a luminous intensity of the laser beam so that the first part and the second part receive a substantially equal quantity of laser energy. | 08-07-2014 |
20140211449 | LIGHT EMITTING MODULE - The light emitting module includes a plurality of light emitting elements; a fluorescent substance resin layer containing a fluorescent substance which is excited by light emitted from the plurality of light emitting elements to emit visible light; a reflective surface configured to reflect light emitted from the plurality of light emitting elements and the fluorescent substance resin layer; and a light guiding body layer provided between the reflective surface and the fluorescent substance resin layer, and configured to guide light emitted from the plurality of light emitting elements or the fluorescent substance. | 07-31-2014 |
20140203705 | DC-DC CONVERTER AND VEHICULAR LAMP - A DC-DC converter includes a plurality of converter portions, each of which includes a switching circuit portion and a control circuit portion, the switching circuit portion being configured to obtain an output voltage by stepping up or stepping down an input voltage with a switching converter circuit including a switch element, a wound element, and a rectifier element, and the control circuit portion being configured to control the output voltage by controlling the switch element of the switching circuit portion. The plurality of converter portions are arranged on a single circuit board such that the switching circuit portion of each of the converter portions is not adjacent to the control circuit portion of each of a rest of the converter portions. | 07-24-2014 |
20140198517 | VEHICULAR HEADLAMP - Disclosed is a vehicular headlamp including: a basic lamp unit configured to form a main light distribution pattern that is controlled in light distribution so as to satisfy illuminance requirements at a plurality of predetermined sites in a low beam light distribution pattern which is projected on a vertical virtual screen positioned in front of a vehicle; and a plurality of additional lamp units controlled in light distribution so as to irradiate light to any one of left and right diffusion regions adjacent to the main light distribution pattern. The low beam light distribution pattern is formed on the vertical virtual screen by combining the basic lamp unit and the plurality of additional lamp units. | 07-17-2014 |
20140198516 | ACTUATOR AND VEHICLE HEADLAMP - A coupling member has a first driven portion and an output shaft to be coupled to a lamp unit, and is rotatable in the horizontal direction about the shaft center of the output shaft. A driven member has a second driven portion and a follower portion, and is rotatable relative to the coupling member. An acting portion is engaged with the follower portion. A first driving unit is engaged with the first driven portion to rotate the coupling member relative to the driven member. A second driving unit is engaged with the second driven portion to rotate the driven member relative to the coupling member. When the second driving unit rotates the driven member, the acting portion engaged with the follower portion causes the rotation center to move, and the coupling member is moved together with the driven member. | 07-17-2014 |
20140191271 | LIGHT EMITTING MODULE - In a light emitting module, a red phosphor is contained in a second phosphor layer so that the wavelength of a second phosphor layer after the wavelength conversion is longer than that of a first phosphor layer. And a blue phosphor and a yellow-green phosphor are contained in the first phosphor layer. The first phosphor layer is formed in an illumination area of light emitted from an LED chip, and the first phosphor layer converts the wavelength of the light from the LED chip and emits the wavelength-converted light from an emission surface. A part of the second phosphor layer is formed in a non-direct area where no light is illuminated from the LED chip and where light is illuminated from the first phosphor layer. The part of the second phosphor layer formed in the non-direct illumination area converts the wavelength of the light emitted from the first phosphor layer. | 07-10-2014 |
20140177257 | VEHICLE HEADLAMP - A vehicle headlamp includes at least three lamp units and a controller. Each of the at least three lamp units has a semiconductor light emitting device as a light source. The controller is configured to turn on at least one of the at least three lamp units to form a fog lamp light distribution pattern, and to turn on the at least one of the at least three lamp units and one or more of the at least three lamp units other than the at least one of the at least three lamp units to form a cornering lamp light distribution pattern. | 06-26-2014 |
20140169009 | VEHICLE LAMP - Disclosed is a vehicle lamp capable of improving a production efficiency, reducing a cost, and shortening a production line as compared to a case in which a dedicated mechanical equipment is used. The vehicle lamp includes an optical unit, a pivot member fixed to a bracket of the optical unit, a lamp body having a bearing insertion hole, and a bearing member which is fixed to the lamp body to be engageable with the pivot member. The pivot member and the bearing member are engaged with each other to constitute at least one supporting unit of an aiming mechanism. In addition, the optical unit is tiltably supported by the aiming mechanism and the bearing member is fixed to the lamp body by being inserted into the bearing insertion hole. | 06-19-2014 |
20140160778 | VEHICULAR LAMP - Disclosed is a vehicular lamp having a light source and a light guide body. In the vehicular lamp, the light guide body is configured by a first and a second rod shaped light guiding portions disposed at positions spaced apart from each other, and a planar light guiding portion disposed to connect the circumferential surface portions of the first and second rod shaped light guiding portions with each other. Further, the light source configured to include a first light source and a second light source disposed to cause light to be incident from an end portion surfaces of the first and the second rod shaped light guiding portions, respectively, and then configured to make each of the first light source and the second light source to emit a different color light with each other. | 06-12-2014 |
20140156150 | CONTROL APPARATUS OF VEHICULAR LAMP, VEHICULAR LAMP SYSTEM, AND CONTROL METHOD FOR VEHICULAR LAMP - A control apparatus of a vehicular lamp includes: a reference information retaining portion configured to retain reference information indicative of a positional relationship of an acceleration sensor axis, a vehicle axis, and a road surface, wherein the reference information is obtained in a predetermined initialization process; a correction ratio generating portion configured to, after the initialization process, calculate an acceleration ratio of an amount of change in a longitudinal acceleration to an amount of change in vertical acceleration of the vehicle while traveling, and derive a correction ratio for correcting a positional relationship of the road surface and at least one of the acceleration sensor axis and the vehicle axis in the reference information, using the obtained acceleration ratio; and a control portion configured to output a signal for adjusting an optical axis position of the vehicular lamp, using the acceleration ratio, the reference information, and the correction ratio. | 06-05-2014 |
20140153274 | VEHICLE LIGHTING APPARATUS - At least a part of light emitted from a light source fixed to a heat sink | 06-05-2014 |
20140153273 | VEHICULAR LAMP - A vehicular lamp includes a transparent planar light emitting body including a first light emitting surface and a second light emitting surface which face each other, a first reflector and a second reflector. The transparent planar light emitting body emits light from the first light emitting surface and the second light emitting surface. The first reflector reflects light from the first light emitting surface to the front. The second reflector reflects light from the second light emitting surface to the front. | 06-05-2014 |
20140151726 | LIGHT EMITTING MODULE - There are provided a light emitting module including a luminescent material layer ( | 06-05-2014 |
20140147613 | RESIN MOLDED PRODUCT AND MOLDING METHOD AND MOLDING APPARATUS THEREOF - A method for molding a resin molded product, including at least first and second molded portions having respective distal ends thereof connected to each other by a connecting portion, has a pouring step of pouring the resin into base end sides of the first and second molded portions, a stopping step of stopping the resin that has flowed through the first molded portion and the connecting portion and is about to flow in the second molded portion, and a releasing step of releasing the stoppage of the resin after the second molded portion is filled with the resin. | 05-29-2014 |
20140146547 | LIGHT WAVELENGTH CONVERSION UNIT - In a light wavelength conversion unit, a light wavelength conversion member is placed on the emission surface of a semiconductor light-emitting element. The light wavelength conversion member converts the wavelength of blue light, which has emitted from the semiconductor light-emitting element and entered from an incident surface, so as to emit yellow light and then emits the yellow light from an emission surface. A light reflection layer is provided on a lateral face in the surface of the light wavelength conversion member. Here, the lateral face excludes the incident surface and the emission surface. The light wavelength conversion member is roughened such that an average roughness Ra of the lateral face is 0.5 μm or above. | 05-29-2014 |
20140140085 | VEHICULAR LAMP - A vehicular lamp includes an optical member having a reflective surface that reflects light from a light source, a heat radiating member configured to radiate heat generated by the light source; and a blowing mechanism configured to blow air at the reflective surface. | 05-22-2014 |
20140140082 | LIGHT-EMITTING MODULE - A light emitting module has a plurality of light emitting elements that emit ultraviolet radiation or short-wavelength visible light mounted on a support substrate in a predetermined two-dimensional pattern, and a luminescent material having resin that contains at least one or more types of luminescent materials that are excited to emit visible light by the ultraviolet radiation or short-wavelength visible emitted by the light emitting element. The plurality of light emitting elements are connected together into a line by the luminescent material containing resin. | 05-22-2014 |
20140140081 | VEHICULAR LAMP - A vehicular lamp includes a light source configured to emit light, and a light guide lens configured to guide the light from the light source and to emit the light to the periphery of a vehicle, the light guide lens including a light distributing portion configured to emit illumination light in a predetermined direction on the periphery of the vehicle, a decorative portion configured to emit decorative light in a different direction from the direction in which the illumination light is emitted, and a slit configured to divide the light guide lens into the light distributing portion and the decorative portion. Direct light from the light source is incident on the light distributing portion while light that leaks out of the light distributing portion is incident on the decorative portion. | 05-22-2014 |
20140140071 | LIGHT WAVELENGTH CONVERSION MEMBER - In a light wavelength conversion member, a translucent member encapsulates a yellow phosphor and a blue phosphor. The yellow phosphor is excited by light ranging from near-ultraviolet light to short-wavelength visible light whose dominant wavelength is 350 nm to 480 nm and then emits yellow light. The blue phosphor is excited by light ranging from near-ultraviolet light to short-wavelength visible light whose dominant wavelength is 350 nm to 480 nm and then emits blue light. The difference in refractive index between each of the yellow phosphor and the blue phosphor and the translucent member is less than or equal to 0.2. | 05-22-2014 |
20140119042 | VEHICULAR LAMP AND METHOD FOR PRODUCING THE SAME - Provided are a vehicular lamp in which a thermal strain in a welding portion of a lamp body and a front cover is suppressed and a thermal deformation during welding is suppressed and a method of manufacturing the same. The vehicular lamp includes a lamp housing configured by a lamp body and a front cover which is welded to the lamp body and has a front surface exposed to the outside. In the lamp body, a light absorption material is contained. In the front cover, a light absorption material is contained at least in a region including a welding portion. This light absorption material of the front cover has a lower heating effect than that of the lamp body. | 05-01-2014 |
20140119010 | LAMP - Provided is a lamp configured to control an irradiation angle. The lamp includes a light emitting unit that is provided with an LED and a reflector having a reflecting surface that reflects light from the LED. The reflecting surface of the reflector is formed to have a parabolic shape in a cross-section perpendicular to an optical axis of the LED. The reflecting surface of the reflector is formed to have an elliptical shape in a cross-section parallel to the optical axis of the LED so as to condense and diffuse reflected light beams in a forward direction. | 05-01-2014 |
20140112015 | ELECTRONIC UNIT - An electronic unit includes an electronic body on which a heat generating component is mounted; a resin casing in which the electronic body is housed; and a heat diffusion sheet interposed between the casing and a region of the electronic body where the heat generating component is mounted. | 04-24-2014 |
20140112013 | OPTICAL MEMBER AND VEHICULAR LAMP - An optical member formed of resin includes a fixation portion, via which the optical member is fixed to a supporting member on which a light emitting element is supported, a reflective surface having a reflective region configured to reflect light from the light emitting element, and a thermal deformation absorbing portion configured to absorb thermal deformation of the optical member. | 04-24-2014 |
20140112011 | VEHICLE HEADLAMP - A vehicle headlamp includes a lamp outer case | 04-24-2014 |
20140111087 | LIGHTING CONTROL SYSTEM FOR VEHICLE LAMP - There is provided a lighting control system of a vehicle lamp. The system includes: a plurality of lamps including: a main lamp; and a separate lamp which is separated from the main lamp; and a lighting controller configured to control lighting of the plurality of lamps. The main lamp includes: a first lamp lighting circuit configured to perform a lighting operation of the main lamp; and a control circuit configured to output a lighting signal based on a lighting control signal output from the lighting controller. The separate lamp includes: a second lamp lighting circuit configured to perform a lighting operation of the separate lamp. The first lamp lighting circuit and the second lamp lighting circuit are configured to perform the lighting operations based on the lighting signal output from the control circuit. | 04-24-2014 |
20140098539 | LAMP - A lamp includes a projection lens, a light source disposed behind the projection lens, a lens holder that holds the projection lens, and a lamp body that holds the lens holder while accommodating the light source. In particular, a front surface of the projection lens includes a central region configured by a convex curved surface and a peripheral region around the central region which is configured by an annular concave curved surface, the lens holder is formed in a cylindrical shape and an annular flange portion extending towards an inner peripheral side is formed at a front end of the lens holder, an annular step portion is formed at an outer peripheral edge of the peripheral region on the front surface of the projection lens, and the projection lens is fixed to the annular flange portion of the lens holder at a step surface of the annular step portion. | 04-10-2014 |
20140092618 | OPTICAL UNIT - An optical unit includes a lens through which light emitted from a light source enters from behind and the light emits frontward as an irradiation beam. A rotation lens moves periodically, and a front part is scanned with the irradiation beam, so that a predetermined irradiated region can be formed. The rotation lens may be configured such that the lens rotates about a rotation axis connected to a drive part and such that the direction of light, which emits from the light source and is then refracted when the light passes through the lens, varies periodically. | 04-03-2014 |
20140092617 | VEHICULAR HEADLAMP - Provided is a vehicular headlamp including a lamp casing configured by a lamp housing having an opening at least at one side thereof and a cover that covers the opening of the lamp housing, and a lamp unit disposed within the lamp casing. The lamp unit includes: a light source unit having a light source; a movable shade configured to be rotatable and change the shielding quantity of light; a solenoid having an output shaft which moves in a left-and-right direction and configured to rotate the movable shade; a rotation shaft configured to function as a rotation fulcrum of the movable shade, the axial direction of the shaft corresponding to the left and right direction; and an orthogonal transformation mechanism configured to convert a movement action of the output shaft to a rotation movement of the movable shade. | 04-03-2014 |
20140092616 | VEHICLE LAMP - A vehicle lamp is provided which includes a toroidal lens | 04-03-2014 |
20140078764 | Vehicular Lamp - A clearance lamp ( | 03-20-2014 |
20140071706 | VEHICULAR LAMP - A vehicular lamp includes a projection lens, a two-dimensional image forming device located on or in the vicinity of a rear focal point of the projection lens, and including a plurality optical elements which are arranged in a matrix shape and individually driven and a projection plane that is formed by the plurality optical elements, a light source configured to irradiate the projection plane of the two-dimensional image forming device with light, and a dimming part provided between the optical elements and the projection lens and configured to reduce light directed to the projection lens from the optical elements arranged on an end portion of the projection plane. | 03-13-2014 |
20140071704 | METHOD OF CONTROLLING VEHICLE LAMP AND VEHICLE LAMP - A vehicle lamp includes a two-dimensional image forming device, a light source, and a controller. The image forming device is disposed near a rear focal point of a projection lens and has a projection plane formed of plural optical elements arranged in a matrix manner. The light source irradiates with light the projection plane. The controller individually drives the optical elements to form, on the projection plane, an illumination pattern having a shape corresponding to a light distribution pattern projected by the projection lens ahead the vehicle lamp. The controller sets an output rate per unit time of the optical elements disposed at an end portion of the projection plane to be lower than that of the other optical elements. The light is output from the optical elements disposed at the end portion of the projection plane towards the projection lens at the output rate per unit time thereof. | 03-13-2014 |
20140071703 | VEHICULAR LAMP - A vehicular lamp includes a light source, and a light guide body having a front surface and a rear surface, configured to allow light emitted from the light source to enter from the rear surface and to exit through the front surface. The rear surface of the light guide body comprises, in a first plane extending in a front-to-rear direction, a first entrance portion configured to allow light emitted from the light source to enter in such a way as to be refracted to the front, second entrance portions situated at both sides of the first entrance portion and configured to allow light emitted from the light source to enter in such a way as to be refracted sideways, and reflecting portions configured to internally reflect light from the light source which enters from the second entrance portions to the front. | 03-13-2014 |
20140056012 | LAMP CONTROL SYSTEM AND CONTROL DEVICE - A lamp control system includes: a lamp configured to form a light distribution pattern ahead of a vehicle using a non-illumination region forming unit, wherein the light distribution pattern includes a non-illumination region, and the illumination region includes at least one longitudinal cutoff line; a detector configured to detect a front vehicle in front of the vehicle; an information acquiring unit configured to acquire a displacement direction and a displacement speed of the front vehicle; and a light distribution controller configured to control the light distribution pattern using the non-illumination region forming unit such that the front vehicle is positioned in the non-illumination region. When the front vehicle is approaching the longitudinal cutoff line, the light distribution controller controls the light distribution pattern based on the displacement direction and the displacement speed to increase an interval between the longitudinal cutoff line and the front vehicle. | 02-27-2014 |
20140043842 | VEHICLE HEADLAMP - A multi-lamp type vehicle headlamp is configured to combine illumination by a first lamp unit and illumination by second lamp units so as to provide a low beam light distribution function and a high beam light distribution function. The first lamp unit is configured to form at least a cutoff line of a light distribution pattern for a low beam. The second lamp units have a resolution that is lower than that of an illumination region which can be provided by the first lamp unit. | 02-13-2014 |
20140043841 | VEHICULAR ILLUMINATION LAMP - A front surface of a translucent member is shaped so that each light ray from a light-emitting portion is incident on the front surface at a predetermined incident angle θ equal to or larger than a critical angle β, and a rear surface of the translucent member (rotating body type) is designed in shape so that in a rear peripheral surface portion of the rear surface, a tilt angle α is “α<90°−2α−γ” when reflected light from the front surface of the translucent member is incident on the rear peripheral surface portion at the tilt angle α with respect to a vertical direction, where β represents the critical angle, and γ represents a shift angle of re-reflected light with respect to a horizontal direction. This allows the front surface and the rear surface of the translucent member to internally reflect light by total reflection without using a vapor-deposited film. | 02-13-2014 |
20140043805 | OPTICAL UNIT - An optical unit includes: a light source having both a first light emitting element for emitting light having a first color and a second light emitting element for emitting light having a second color that is different from the first color; and a rotating reflector configured to be rotated in one direction around a rotational shaft, while reflecting the light having the first color and the light having the second color, which have been emitted from the light source. In the rotating reflector, a reflecting surface is provided such that a predetermined light distribution pattern is formed with the light having the first color and the light having the second color, which have been reflected by the rotation of the rotating reflector, being superimposed one on another. | 02-13-2014 |
20140042325 | OBSTACLE DETECTING DEVICE - An obstacle detecting device includes: a light source having both LED units each for emitting visible light and an infrared light unit for emitting infrared light; and a rotating reflector configured to be rotated in one direction around a rotational shaft while reflecting the visible light and the infrared light emitted from the light source. The rotating reflector is configured, by its rotating movement: to emit the visible light from each of the LED units as an irradiation beam such that a first light distribution pattern is formed by scanning with the irradiation beam; and to emit the infrared light from the infrared light unit as an irradiation beam such that a second light distribution pattern is formed by scanning with the irradiation beam. | 02-13-2014 |
20140036524 | VEHICULAR HEADLAMP - A vehicular headlamp has a projection lens, a light source disposed behind a rear focal point of the projection lens, and a reflector that reflects light from the light source forward. The vehicular headlamp forms a forward light distribution pattern. The vehicular headlamp includes a plate-like shade having a front-end portion positioned in the vicinity of the rear focal point of the projection lens to form a cut-off line of the forward light distribution pattern. The shade extends rearward and obliquely downward from the front-end portion. An overhead sign reflective surface is provided on a lower surface of the shade. The overhead sign reflective surface reflects light from the reflector toward the projection lens to form a part of an overhead sign distribution pattern. A dark portion forming portion is formed on the overhead sign reflective surface | 02-06-2014 |
20140036522 | VEHICULAR LAMP - A vehicular lamp, has a light guide extending in a predetermined direction, and having an end surface located in the predetermined direction thereof, and a light source configured to cause light to be incident on the light guide from the end surface, and configured to emit the light incident from the end surface from a front surface portion of the light guide. Reflective elements that reflects the light incident on the light guide toward the front surface portion of the light guide are formed at a plurality of positions along the predetermined direction on a rear surface portion of the light guide. Each of the reflective elements is comprises a curved surface profile in a cross-section along a plane perpendicular to the predetermined direction. | 02-06-2014 |
20140029289 | VEHICLE HEADLAMP - A vehicle headlamp includes a first lamp unit having a first irradiation range, the first lamp unit being configured such that the first irradiation range is adjustable in a horizontal direction, and a second lamp unit having a second irradiation range, the second lamp unit being configured such that the second irradiation range is adjustable in a vertical direction. A resolution of the second lamp unit with respect to the second irradiation range is higher than a resolution of the first lamp unit with respect to the first irradiation range. | 01-30-2014 |
20130341670 | LIGHT SOURCE MODULE - The light source module includes a circuit board adapted to be placed on a mounting base of a light source holding member, and a power feeding attachment to supply power to a semiconductor light emitting device, the circuit board including a board part on which the semiconductor light emitting device is mounted, and a conductive circuit formed on a surface of the board part and having a pair of terminal parts and a light source connection part to connect the pair of terminal parts and the semiconductor light emitting device, the power feeding attachment including an electrically-insulating portion and an conductive portion partially embedded in the electrically-insulating portion, the power feeding attachment being adapted to be attached to the light source holding member such that the electrically-insulating portion presses at least a portion of the circuit board against the mounting base. | 12-26-2013 |
20130329440 | LIGHT-EMITTING MODULE AND AUTOMOTIVE LAMP - A light-emitting module | 12-12-2013 |
20130322106 | VEHICULAR LAMP - Provided is a vehicular lamp that includes a lamp body, an exterior lens configured to define a lamp chamber between the lamp body and the exterior lens, and a vibration device fixed to a component of the vehicular lamp and configured to be vibrated by receiving an electric signal to cause the component to generate a sound. The vibration device includes a housing fixed to the component of the lamp, an electric circuit provided in the housing, a vibration body vibrated when the electric signal is input to the electric circuit, and a device connector to which an external connector is connected to input the electric signal to the electric circuit. In particular, the device connector is integrally provided in the housing. | 12-05-2013 |
20130320261 | METHOD FOR PREPARING PHOSPHOR - A method for preparing a phosphor that comprises a crystalline oxide having M | 12-05-2013 |
20130314936 | VEHICULAR HEADLAMP - A vehicular headlamp includes: a plurality of semiconductor light emitting element chips; and a reflector that has a reflection surface with a paraboloid shape, and that reflects, by the reflection surface, light from the semiconductor light emitting element chips so as to send the light in a headlamp beam direction of the vehicular headlamp, wherein the plurality of semiconductor light emitting element chips are arranged along a plane perpendicular to the headlamp beam direction, and a focal point of the reflection surface of the reflector is disposed in or near an area between the semiconductor light emitting element chips that are next to each other. | 11-28-2013 |
20130314934 | VEHICULAR LAMP - A vehicular lamp has a light source unit having an LED and an optical element that performs light distribution control for directing light from the LED in a predetermined direction, a heat sink to which the light source unit is attached, and a lamp chamber in which the light source unit is disposed. The LED is an LED module formed by installing an LED chip on a power supply circuit board. The LED module is installed on a circuit board installation portion of the heat sink, and an attachment, which has a frame shape a size larger than the LED module and has a circuit board retaining portion at a center open portion of the attachment, is attached and fixed to the heat sink by a fixing member, whereby the LED module is held between the attachment and the circuit board installation portion. | 11-28-2013 |
20130312656 | VEHICULAR LAMP - A vehicular lamp is provided with a vibrator and a shock-absorbing member. The vibrator is attached to a lamp body. The lamp body vibrates in response to the vibration of the vibrator and an alarm sound is generated. The shock-absorbing member is provided to an attachment part and the transfer of the vibration from the vibrator through the attachment part is suppressed by the shock-absorbing member. | 11-28-2013 |
20130308330 | LAMP UNIT - A lamp unit mounted in a vehicle includes a light source, a light source mounting portion on which the light source is mounted, and a projection lens having a front surface with a convex shape and configured to project light from the light source to the front of the lamp unit. When looking at the lamp unit from the front, the front surface of the projection lens takes a substantially round shape which is centered at an optical axis of the lamp unit in a position which lies closer to a front end portion and a substantially non-round shape at a rear end portion. The front surface changing gradually its shape from the substantially round shape to the substantially non-round shape in a region between the position and the rear end portion as it extends from the position towards the rear end portion. | 11-21-2013 |
20130308326 | CONTROL DEVICE FOR VEHICLE LAMP AND VEHICLE LAMP SYSTEM - There is provided a control device for controlling a vehicle lamp. The device includes: a receiver configured to receive an output value from an inclination sensor; and a controller configured to control an optical axis of the vehicle lamp based on a vehicle attitude angle that is an inclination angle of the vehicle with respect to a road surface. The controller is configured to control the optical axis in a first optical axis control mode or a second optical axis mode, wherein an optical axis angle of the optical axis is adjusted in accordance with the vehicle attitude angle in the first optical axis mode, and the second optical axis control mode is different from the first optical axis control mode. The controller controls the optical axis in the second optical axis control mode, when the vehicle attitude angle is not included in a predetermined range. | 11-21-2013 |
20130286607 | CIRCUIT BOARD, ELECTRIC DEVICE, AND METHOD OF MANUFACTURING CIRCUIT BOARD - A circuit board includes an insulative substrate having a first surface on which an electronic component is mounted, a second surface opposite to the first surface, and a through-hole open in the first surface and the second surface, a first conductive layer formed on the first surface so as to reach the through-hole, to which the electronic component is electrically connected, a second conductive layer formed on the second surface so as to reach the through-hole and electrically connected to the first conductive layer through the through-hole, a third conductive layer formed over the second surface so as to reach the through-hole, covering at least part of the second conductive layer, and filling at least part of the through-hole, a first protective glass layer covering the second conductive layer and the third conductive layer, and an adhesive layer formed on the first protective glass layer. | 10-31-2013 |
20130278165 | SEMICONDUCTOR LIGHT SOURCE LIGHTING CIRCUIT - A semiconductor light source lighting circuit is provided with: a switching regulator that generates a drive current of a semiconductor light source using a switching element; and a control circuit that controls ON/OFF of the switching element. The control circuit is provided with: a comparator that compares the drive current and a target value; a counter that counts a digital value in a count direction determined by a comparison result of the comparator; a digital-analog converter that converts the digital value into an analog signal; and a drive circuit that controls the ON/OFF of the switching element based on the analog signal. The counter counts the digital value at a speed determined by an ON/OFF cycle of the switching element. | 10-24-2013 |
20130272010 | LIGHT SOURCE MOUNTING STRUCTURE OF VEHICULAR LAMP - The present disclosure provides a light source mounting structure including a bulb mounting hole provided in a reflector, a socket fixture configured to be fixed to the bulb mounting hole, and a bulb including a bayonet flange configured to be inserted into the bulb mounting hole and, when rotated, to be engaged with the socket fixture. The socket fixture is integrally provided with a snap fit that is capable of being elastically deformed and configured to be engaged with the bayonet flange. The bulb is easily mounted due to the elastic deformation of the snap fit and is also suppressed from being detached. The snap fit is integrally formed with the socket fixture, and thus, the number of components may be reduced. | 10-17-2013 |
20130272009 | VEHICULAR LAMP - The present disclosure provides a vehicular lamp including a low-beam lamp and a daytime running lamp. The low-beam lamp includes a low-beam LED, a low-beam reflector, and a projection lens. The daytime running lamp includes a DRL LED, and a DRL reflector. The DRL LED is disposed at the rear side of the low-beam reflector to emit a light in a direction which intersects with the optical axis of the vehicular lamp. The DRL reflector includes an extension area that extends to at least the outer side of the projection lens when viewed from the front, and reflects the light from the DRL LED in the extension area to emit the light to the front side of the lamp through the outer side of the projection lens. | 10-17-2013 |
20130265790 | Vehicular Lamp - A clearance lamp ( | 10-10-2013 |
20130258698 | VEHICLE LAMP - A vehicle lamp includes a light emitting portion, a lamp body configured to accommodate therein the light emitting portion having an elongated shape, and a transparent cover configured to cover an opening portion in the lamp body. The transparent cover includes a main light exit surface portion positioned in front of the light emitting portion, an auxiliary light exit surface portion inclined with respect to the main light exit surface portion, the auxiliary light exit surface having a fixing portion configured to fix the transparent cover and the lamp body together, and a light diffusive portion formed on at least the periphery of a portion of the auxiliary light exit surface portion where the fixing portion is provided. | 10-03-2013 |
20130258695 | AUTOMOTIVE HEADLAMP - An automotive headlamp includes: a light source; a movable shade configured to be movable between a first position shielding a part of light emitted from the light source and a second position having a different light shielding volume; a motor configured to generate a driving force to move the shade from the first position to the second position; and a stopper for high beam to fix the movable shade, which has been moved from the first position to the second position, at the second position. The motor is configured such that a motor phase is lag when the motor moves the movable shade to the second position by the driving force generated by supplied power and fixes the same, and an electric current is applied to the motor when the movable shade is fixed at the second position. | 10-03-2013 |
20130250601 | LIGHT SOURCE UNIT AND VEHICULAR LAMP - A light source unit is provided with a housing, a substrate, and light-emitting devices. The light-emitting devices are mounted on a mounting part of the substrate. A heat dissipation part extends from an outer edge of the mounting part in a direction opposite to a light emitting direction of the light-emitting devices. The mounting part is held on a bottom part of the housing. A peripheral groove part extends in the direction opposite to the light emitting direction along an outer edge of the bottom part. The heat dissipation part is accommodated in the peripheral groove part. | 09-26-2013 |
20130241408 | AUTOMOTIVE LAMP - A light-emitting module includes a light-emitting diode (LED) package, in which an LED is implemented, and a resistor, connected to the LED in series, which is placed in the position subject to a change in temperature of the LED package. The resistor has a positive temperature coefficient. The volume resistivity of the resistor at 0° C. is preferably 2×10 | 09-19-2013 |
20130235606 | OPTICAL UNIT FOR A VEHICULAR LAMP - An optical unit includes: a heat sink that radiates heat from a light source; and a base portion including a reflector mounting section, a lens mounting section and a connecting section connecting the reflector mounting section and the lens mounting section. The base portion is configured such that the light from the light source is reflected by a reflector mounted onto the reflector mounting section and is incident onto a projection lens mounted onto the lens mounting section. The heat sink is exposed to a space surrounded by the lens mounting section, the connecting section and the reflector mounting section. | 09-12-2013 |
20130207543 | AUTOMOTIVE HEADLAMP APPARATUS FOR CONTROLLING LIGHT DISTRIBUTION PATTERN - An automotive headlamp apparatus includes headlamp units placed in a vehicle and a control unit which controls the illumination of the headlamp units. The headlamp units form a lower beam distribution pattern and an upper beam distribution pattern, and is configured so that a partial region of the upper beam distribution pattern can be non-illuminated. When the entirety of vehicle existent area of a vehicle-in-front travelling in front of a driver's vehicle is contained within the partial region, the control unit controls the headlamp units in such a manner that the partial region is non-illuminated; when at least a part of the vehicle existent area is contained within a region of the upper beam distribution pattern which is other than the partial region, the control unit controls the headlamp units in such a manner that the upper beam distribution pattern is not formed. | 08-15-2013 |
20130201707 | CIRCUIT MODULE, LIGHT EMITTING MODULE, AND AUTOMOTIVE LAMP - In a circuit module, a supporting member has both an element mounting surface on which a package can be mounted and a circuit mounting surface on which a lighting control circuit that controls lighting of a semiconductor light emitting element can be mounted. The lighting control circuit is mounted on the circuit mounting surface. The circuit mounting surface is formed so as to be orthogonalized or inclined with respect to the element mounting surface. Thereby, the length in the longitudinal direction of the circuit module can be made smaller in comparison with that of a circuit module in which a circuit mounting surface and an element mounting surface are formed on the same plane. | 08-08-2013 |
20130201706 | CIRCUIT MODULE, LIGHT EMITTING MODULE, AND AUTOMOTIVE LAMP - A circuit module includes: a lighting control circuit that controls lighting of a semiconductor light emitting element; a first heat radiating member on which the lighting control circuit is mounted; a second heat radiating member that is separated from the first heat radiating member and has a surface on which the semiconductor light emitting element is mounted; and a connecting mechanism having both a housing that connects the first heat radiating member and the second heat radiating member together and a conductive portion that transmits a signal from the lighting control circuit to the semiconductor light emitting element. The housing is formed of a material having a coefficient of thermal conductivity lower than those of the first heat radiating member and the second heat radiating member. | 08-08-2013 |
20130188379 | Vehicular Illumination Lamp - A parabola type vehicular illumination lamp that forms a low-beam distribution pattern with a horizontal cut-off line at its upper end, including a reflector ( | 07-25-2013 |
20130163266 | VEHICULAR LAMP - A vehicular lamp includes a lamp body having an opening opened in the front side of the lamp; a cover that covers the opening; an irradiation unit mounted inside a lamp chamber formed by the lamp body and the cover, and configured to irradiate light emitted from a light source to the front side of the lamp; a rotation mechanism provided with a shaft portion installed on one of the irradiation unit and the lamp body and extending in a horizontal direction, and a bearing portion installed on the other and configured to support the shaft portion, the rotation mechanism being configured to enable the irradiation unit to rotate about a horizontal axis with regard to the lamp body; and a positioning mechanism configured to position the irradiation unit at a predetermined position within a range of possible rotation about the horizontal axis. | 06-27-2013 |
20130140986 | VEHICLE LAMP - A vehicle lamp include san LED package as a light source. The LED package includes a first series element section having a plurality of LED elements connected in series with each other, a second series element section having at least one LED element, the number of which is smaller than the number of LED elements of the firs series element section, a first anode electrode provided on an anode side of the first series element section, a first cathode electrode provided on a cathode side of the first series element section, a second anode electrode provided on an anode side of the second series element section, and a second cathode electrode provided on a cathode side of the second series element section. | 06-06-2013 |
20130128620 | VEHICULAR LAMP - Provided is a vehicular lamp that includes a light source and a light guide that guides a light from the light source in the inside thereof. The light guide is formed by an injection molding, and a plurality of reflective elements spaced from each other are formed in the rear surface of the light guide. Each of the reflective elements is formed to protrude from the rear surface of the light guide toward the rear side, and the inner surface of each of the reflective elements internally reflects the light from the light source toward the front surface of the light guide. | 05-23-2013 |
20130127331 | FLUORESCENT MEMBER AND LIGHT EMITTING MODULE - In a plate-shaped fluorescent member configured to convert the wavelength of the light emitted by a semiconductor light emitting element, the fluorescent member is formed of an inorganic material having a refractive index of 1.5 or more and a light transmittance at the emission peak wavelength of the semiconductor light emitting element of less than 20%. A concave portion is formed, of the surfaces of the fluorescent member, on the surface on the side where the light in the semiconductor light emitting element is mainly emitted. In the fluorescent member, the light transmittance of the light having a wavelength of 380 nm to 500 nm may be less than 20%. The concave portion may be a groove. The concave portion may be a plurality of holes that are scattered. | 05-23-2013 |
20130121013 | VEHICULAR HEADLAMP AND REPLACEMENT METHOD FOR LEVELING ACTUATOR OF THE VEHICULAR HEADLAMP - A vehicular headlamp includes: a bracket having an actuator attaching portion that has a first fixation portion and a second fixation portion and part of which is a cuttable portion; a first actuator that is attached to the actuator attaching portion from one direction and is fixed via the first fixation portion; and a lamp unit that is supported by the bracket and that is capable of being tilted relative to the bracket by drive force of the first actuator. The actuator attaching portion is configured so that the cuttable portion can be cut off to detach the first actuator from the bracket in another direction than the one direction and a second actuator can be attached to the actuator attaching portion from the another direction and fixed to the actuator attaching portion via the second fixture portion. | 05-16-2013 |
20130121009 | Light Emitting Device - A light emitting device is provided with a semiconductor light emitting element and a wavelength conversion portion. The wavelength conversion portion includes an outer peripheral portion between an input surface and an output surface. The outer peripheral portion includes a first inclined part at a side of the input surface and a second inclined part at a side of the output surface. The first inclined part and the second inclined part define a projecting portion that is projected on the outer peripheral portion. | 05-16-2013 |
20130119431 | LIGHT EMITTING MODULE, METHOD FOR MANUFACTURING LIGHT EMITTING MODULE, AND VEHICULAR LAMP - Provided is a light emitting module in which an LED device is mounted and power is supplied to the LED device by a gold wire. The light emitting module includes a first resin (sealing material) that seals the gold wire and a second resin (dam wall) that surrounds at least a portion of the outer peripheral of the first resin. The first resin has a lower viscosity and a lower elastic modulus compared to the second resin, and protects the gold wire mechanically and chemically. The second resin suppresses the first resin from being flowed out toward the peripherals, and, as a result, the sealing state of the gold wire by the first resin may be maintained. | 05-16-2013 |
20130099261 | LIGHT EMITTING MODULE - In a light emitting module, a semiconductor light emitting element is mounted on a mounting board. A plated layer is provided on the surface of the mounting board so as to be electrically connected to the semiconductor light emitting element mounted on the mounting board. The plated layer has a power feeding portion and an element connection portion. The power feeding portion extends, of the surfaces of the mounting board, from the upper surface on which the semiconductor light emitting element is to be mounted to a stepped surface located below the upper surface, so that power can be fed, on the stepped surface, to the semiconductor light emitting element. The element connection portions are provided on the upper surface such that a plurality of the semiconductor light emitting elements mounted on the upper surface are connected together in series. | 04-25-2013 |
20130083550 | VEHICULAR LAMP - A vehicular lamp includes: a lamp body having an opening portion; an outer cover that closes the opening portion and that, together with the lamp body, forms a lamp chamber between the outer cover and the lamp body; a light emission portion disposed within the lamp chamber; a vapor deposition sheet that is disposed within the lamp chamber and that covers the lamp body with at least a portion of the light emission portion exposed; and an engaging portion that at least one of the outer cover and the lamp body has and that is capable of engaging with the vapor deposition sheet and holding the vapor deposition sheet in a shape that substantially conforms to the outer cover or the lamp body. | 04-04-2013 |
20130077334 | Vehicular Lamp - A vehicular lamp ( | 03-28-2013 |
20130076240 | LIGHT DISTRIBUTION CONTROL SYSTEM FOR VEHICLE - Provided is a light distribution control system for vehicle in which each of left and right head lamp housings is provided with camera that picks up image of the forward area of vehicle, main lamp unit that forms basic light distribution pattern which is symmetric at the forward area of the vehicle, first sub lamp unit that forms first additional light distribution pattern at lateral side of the vehicle as compared to the basic light distribution pattern, second sub lamp unit that forms second additional light distribution pattern at lateral side of the vehicle, and control unit that controls the turning-ON/OFF of the first and second sub lamp units based on the image data of the camera. The control unit may form non-symmetric light distribution pattern as a whole at the forward area of the vehicle according to road environment. | 03-28-2013 |
20130076234 | LIGHT EMITTING MODULE AND PHOSPHOR - A light emitting module includes a light emitting device that emits ultraviolet rays or short-wavelength visible light, a blue phosphor that is excited by the ultraviolet rays or the short-wavelength visible light to emit visible light. The blue phosphor is represented by a general formula of (Ca | 03-28-2013 |
20130075754 | SEMICONDUCTOR DEVICE, FABRICATION METHOD OF THE SEMICONDUCTOR DEVICES - In a semiconductor device, a YAG substrate is formed as a single-crystal substrate of any of surface orientations (100), (110), and (111). In the fabrication of the semiconductor device, a TMAl gas is first fed onto the YAG substrate so as to form a nucleation layer made of aluminum, which is a group-III element. Then, an NH | 03-28-2013 |
20130063961 | VEHICLE LAMP - A vehicle lamp includes a first lamp having a first light emitting area, the first light emitting area having a circular shape or a roughly circular shape, a second lamp having a second light emitting area, the second light emitting area having a ring shape surrounding the first light emitting area, a lamp housing inside which the first lamp and the second lamp are provided, the lamp housing having an outer lens, the outer lens having first light distribution control steps in the first light emitting area, and an inner lens having second light distribution control steps in the second light emitting area. | 03-14-2013 |
20130063020 | ILLUMINATION DEVICE - An illumination device includes a light-emitting device and a diffusion member. The light-emitting device has a plurality of light-emitting elements that emit light having a peak wavelength in a wavelength region of 380 to 420 nm, a first phosphor that emits visible light having a peak wavelength in a wavelength region of 560 to 600 nm, a second phosphor that is excited by ultraviolet ray or short-wavelength visible light and emits visible light in complementary color relationship with the visible light emitted by the first phosphor, and a light-transmitting member that covers the plurality of light-emitting elements and contains the first phosphor and the second phosphor dispersed therein. The diffusion member diffuses at least a part of the light emitting from the light-emitting device. | 03-14-2013 |
20130058121 | VEHICLE LAMP - A vehicle lamp includes a light source, a front cover made of a transparent material to transmit light emitted by the light source, a lamp body forming a lamp housing together with the front cover, and a vibrator configured to vibrate the front cover to generate a vibration sound. The vibrator is supported by the lamp housing such that the vibrator contacts the front cover at a location where, when the vehicle lamp is mounted on a vehicle, the vibrator is not visible from an outside of the vehicle lamp. | 03-07-2013 |
20130051052 | VEHICULAR LAMP, VEHICULAR COMPONENT PART FOR USE IN THE SAME, AND METHOD OF PRODUCING THE VEHICULAR COMPONENT - A vehicular lamp includes a vehicular component part that is molded by charging molten resin into a cavity defined by a first die that has a mirror surface-molding portion and a semi-gloss surface-molding portion and a second die that is movable relative to the first die and cooling the molten resin. The vehicular component part includes a mirror surface-formed portion having a mirror surface that is formed by the mirror surface-molding portion and a semi-gloss surface-formed portion having a semi-gloss surface that is formed by the semi-gloss surface-molding portion. A step surface is provided between the mirror surface and the semi-gloss surface of the vehicular component part. The semi-gloss surface-formed portion is protruded on a first die side relative to the mirror surface-formed portion. | 02-28-2013 |
20130039080 | AUTOMOTIVE HEADLAMP APPARATUS AND LIGHT DISTRIBUTION CONTROL METHOD - A automotive headlamp apparatus is configured such that, when there is a forward vehicle positioned in a predetermined first area, a control unit controls a shading unit so as to generate a single additional light distribution pattern selected from multiple additional light distribution patterns such that exposure of the forward vehicle to illumination is shielded, and when there is a forward vehicle positioned in a predetermined second area, the control unit controls the shading unit so as to generate a single additional light distribution pattern selected from multiple additional light distribution patterns, and controls a driving unit so as to swivel the optical axis of a lamp unit, such that the forward vehicle is not exposed to illumination. | 02-14-2013 |
20130038736 | OPTICAL UNIT, VEHICLE MONITOR, AND OBSTRUCTION DETECTOR - Disclosed is an optical unit wherein a rotating reflector rotates about a rotation axis in one direction, while reflecting light emitted from a light source. The rotating reflector is provided with a reflecting surface such that the light reflected by the rotating reflector, while rotating, forms a desired light distribution pattern, said light having been emitted from the light source. The light source is composed of light emitting elements. The rotation axis is provided within a plane that includes an optical axis and the light source. The rotating reflector is provided with, on the periphery of the rotation axis, a blade that functions as the reflecting surface. | 02-14-2013 |
20130038445 | VEHICULAR LAMP - The vehicular lamp of the present disclosure includes a lamp control unit configured to control the lighting state of the lamp, the sound generating device configured to generate an alarm sound from the lamp when the device is driven, and a sound generating control unit configured to control the sound generating device. The lamp control unit is configured such that a normal operation of the lamp control unit itself becomes impossible so as not to turn ON the lamp unit normally when a remodeling is performed to the sound generating control unit cutting off, for example, a power source line VW, a control line CW, and a driving line MW which are connected to the sound generating unit. | 02-14-2013 |
20130027961 | VEHICULAR LAMP - A vehicular lamp is provided with a light source and a projector lens. An incidence plane of the projector lens includes a first light distribution control surface configured to form a first light distribution pattern and a second light distribution control surface configured to form a second light distribution pattern which is formed above the first light distribution pattern. | 01-31-2013 |
20130021817 | VEHICULAR HEADLAMP - A projector lens of a vehicular headlamp has a shape of a convex lens in which the upper and lower portions are cut by a predetermined amount. A light source is disposed above optical axis Ax of the projector lens while a light emission surface is inclined downwardly. A first reflecting mirror has an elliptical reflective surface, and is adjusted in size such that almost all the light reflected from the reflective surface is incident on the projector lens. A shield plate is disposed in the vicinity of the focus of the first reflecting mirror to form a horizontal cutoff line. A second reflecting mirror is disposed to reflect light that is not incident on the first reflecting mirror. The third reflecting mirror is disposed above the upper end of the shield plate at a position that does not interfere with the light reflected from the first reflecting mirror. | 01-24-2013 |
20130021815 | Vehicular Lamp - A vehicular lamp including a lens member between a light-emitting element ( | 01-24-2013 |
20130020937 | POWER SUPPLY DEVICE FOR VEHICLE LAMP AND THE VEHICLE LAMP - A vehicle lamp includes: a light source; a lamp housing that accommodates the light source inside; and a power receiving section that is provided so as to be integral with the lamp housing and is configured to receive electric power wirelessly to supply the electric power to the light source. A power supply device that supplies electric power from a battery mounted on a vehicle to a lamp disposed in the vehicle includes a power transmission section that is provided in the vehicle and configured to transmit the electric power of the battery; and a power receiving section that is provided so as to be integral with the lamp and configured to receive the electric power from the power transmission section. The power transmission section and the power receiving section are disposed to be opposed to each other and electrically coupled by electromagnetic induction. | 01-24-2013 |
20130020601 | LIGHT EMITTING DEVICE - A light emitting device is configured to achieve a white color by mixing light from respective phosphors. The light emitting device includes: a light emitting element for emitting ultraviolet or short-wavelength visible light having a peak wavelength in a wavelength range of 380 to 420 nm; a first phosphor excited by the ultraviolet or short-wavelength visible light to emit visible light having a peak wavelength in a wavelength range of 560 nm to 600 nm; a second phosphor excited by the ultraviolet or short-wavelength visible light to emit visible light having a complementary relationship with visible light emitted by the first phosphor; and a light transmitting member which is a light transmitting layer for covering the light emitting element, and has the first phosphor and the second phosphor dispersed therein. | 01-24-2013 |
20130010488 | VEHICLE HEADLAMP - A vehicle headlamp has a first light source disposed on a first optical axis that extends in a front-to-rear direction of a vehicle, a first lens that projects light emitted from the first light source to a front of the vehicle, a second lens having a rear focal point on a second optical axis that is parallel to the first optical axis and disposed adjacent to the first lens, a second light source disposed on the second optical axis rearwards of the first light source, a reflector that reflects light emitted from the second light source towards the rear focal point of the second lens, and a sub-reflector disposed such that the sub-reflector does not interfere with an optical path which extends from the reflector to the second lens and that causes part of light emitted from the first light source to be incident on the second lens. | 01-10-2013 |
20130010486 | VEHICLE LAMP - A vehicle lamp includes a plurality of light sources, and a light guide plate configured to emit light to the front side of the lamp from a second surface facing a first surface by internally reflecting light, which is emitted from the respective light sources, by a plurality of reflective elements formed on the first surface after causing the light to enter the light guide plate from a rear end face of the light guide plate. The light guide plate is curved to the first surface and gradually becomes thinner toward the front side. The reflective elements are disposed at a predetermined interval in a longitudinal direction and extend in a direction crossing the longitudinal direction. | 01-10-2013 |
20130002135 | VEHICLE LAMP CONTROLLER - A vehicle lamp controller includes a lamp control unit that performs lamp control, in which light amount or light distribution of each of a plurality of lamps to be provided on a vehicle that runs on electric power from a battery, is controlled, according to a priority that is assigned to each of the plurality of lamps, wherein the priorities are determined based on degrees of necessity of the plurality of lamps in securing safety for the vehicle. The vehicle lamp controller may further include a remaining battery charge detecting device for detecting a remaining charge of a battery, and the lamp control unit may be configured to perform the lamp control according to the priorities when the remaining charge becomes lower than a predetermined threshold. | 01-03-2013 |
20130002128 | PLANAR LIGHT-EMITTING MODULE - A planar light-emitting module includes a planar substrate applied with a reflection film, a light-emitting element mounted on the reflection film side of the substrate, a first transparent resin layer disposed to encapsulate at least the light-emitting element, and a second transparent resin layer disposed to sandwich an air layer between the second transparent resin layer and the first transparent resin layer. A phosphor for converting the wavelength of light radiated from the light-emitting element is disposed by dispersion in the first and second transparent resin layers and the phosphor is selected such that when the second transparent resin layer is viewed from the outside, pseudo-white light is observed. | 01-03-2013 |
20120326632 | SEMICONDUCTOR LIGHT SOURCE LIGHTING CIRCUIT - A lighting circuit for lighting a semiconductor light source includes: a DC/DC converter configured to receive a DC first voltage and a DC second voltage and generate a DC third voltage; a first connector including a first terminal, wherein the third voltage is applied to the first terminal, wherein the first connector connects the first terminal and one end of the semiconductor light source; and a control circuit that controls the DC/DC converter. The control circuit selects only the first voltage as a voltage applied to the other end of the semiconductor light source, when a voltage for emitting the semiconductor light source is less than an absolute value of a difference between the first and second voltages. The control circuit selects the first voltage or the second voltage as the voltage applied to the other end thereof, when the voltage is not less than the absolute value. | 12-27-2012 |
20120314448 | Vehicular Lamp - A vehicular lamp including a light guide in which light emitted from a light-emitting diode ( | 12-13-2012 |
20120314441 | AUTOMOTIVE LAMP - An automotive lamp includes an LED, a substrate that mounts the LED, a reflector that reflects the light emitted from the LED, and an projection lens having an incident surface, which receives the light reflected by the reflector, and an emission surface that emits the light toward a front area of the automotive lamp. A fine asperity structure is formed on the incident surface of the projection lens. The fine asperity structure includes recesses or raised portions formed with the pitch less than or equal to the visible light wavelength. | 12-13-2012 |
20120314439 | VEHICULAR HEADLAMP - A vehicular headlamp includes: a light-emitting module; a movement mechanism that moves the light-emitting module; and a reflector having a reflecting surface configured to reflect, toward the front of the lamp, light emitted from the light-emitting module and form a plurality of light distribution patterns in accordance with a position of the moved light-emitting module. The movement mechanism is configured to be capable of translating the light-emitting module to a plurality of positions. | 12-13-2012 |
20120314436 | AUTOMOTIVE HEADLAMP, HEAT RADIATING MECHANISM, LIGHT-EMITTING APPARATUS AND LIGHT SOURCE FIXING MEMBER - In an automotive headlamp, a light-emitting module is configured such that a light-emitting element and a control circuit unit for controlling the lighting of the light-emitting element are structured integrally with each other. A control circuit unit in a position anterior to the light-emitting element in a lamp unit is located below a shade section so that the control circuit unit can be clear of the path of light used to form a low beam light distribution pattern of the light emitted by the light-emitting element. In this setting, the light-emitting element is so located that a main optical axis Ax | 12-13-2012 |
20120310486 | VEHICLE LAMP CONTROL DEVICE AND VEHICLE LAMP SYSTEM - A control device of a vehicle lamp includes: a receiving section which receives an acceleration value usable to derive a tilt angle of a vehicle to a horizontal plane, wherein the tilt angle of the vehicle to the horizontal plane is represented as a total angle; and a control section which controls an optical axis adjustment of the vehicle lamp. The control section derives from the total angle a first and a second provisional vehicle posture angles based on a first and a second calculation method, respectively, corrects the first or second provisional vehicle posture angle so that a difference between the first and the second provisional vehicle posture angles becomes small, sets the corrected provisional vehicle posture angle to the vehicle posture angle, and outputs a control signal for instructing the optical axis adjustment of the vehicle lamp according to the vehicle posture angle. | 12-06-2012 |
20120307510 | VEHICLE LAMP - A vehicle lamp includes a lamp body having an opening, a front cover attached to the lamp body to close the opening, and a first optical unit disposed inside a lamp chamber defined by the lamp body and the cover. The first optical unit includes a printed wiring board having a first section formed with a first conductor pattern and a second section formed with a second conductor pattern electrically coupled to the first conductor pattern, an LED mounted on the first section of the printed wiring board, and a lighting control circuit provided on the second section of the printed wiring board to control a lighting of the LED. | 12-06-2012 |
20120306368 | VEHICLE LAMP CONTROL APPARATUS - In a vehicle lamp control apparatus, a control unit controls sub lamps in a first condition based on a main information signal including a turn signal or a steering angle signal, and in a second condition based on a sub information signal. A noticeability of the second condition is lower than a noticeability of the first condition. | 12-06-2012 |
20120303223 | VEHICLE LAMP CONTROL APPARATUS AND VEHICLE LAMP SYSTEM - Techniques are disclosed for enhancing the accuracy of auto-leveling control to adjust the optical axis of a vehicle lamp using an acceleration sensor. A controller stores reference values of first and second angles, updates the reference value of the second angle by treating a change of a sum angle during a vehicle stop as a change of the second angle, and updates the reference value of the first angle by treating a change of the sum angle during vehicle traveling as a change of the first angle. The controller derives a difference between a value of the sum angle and a sum of the reference values of the first and second angles, and corrects at least one of the reference values so as to reduce the difference. | 11-29-2012 |
20120300484 | VEHICLE HEADLAMP AND PROJECTION LENS MOUNTING METHOD - A vehicle headlamp includes a light source configured to emit light, a reflector configured to reflect the light, a projection lens through which the light is projected, and a lens holder holding the projection lens. The projection lens has a positioning portion, and the lens holder is formed with a jig insertion hole at a location corresponding to the positioning portion in a direction around an optical axis of the projection lens such that the positioning portion is visible through the jig insertion hole. When mounting the projection lens to the lens holder, a positioning jig is inserted through the jig insertion hole and is engaged with the positioning portion to position the projection lens in the direction around the optical axis of the projection lens. | 11-29-2012 |
20120294026 | VEHICLE HEADLAMP - A vehicle headlamp includes: a light-emitting module; a control circuit section for controlling a lighting of the light-emitting module; and a reflector including a reflecting face configured to reflect and collect light emitted from the light-emitting module. The control circuit section includes an opposing portion that is opposed to the reflecting face. The opposing portion is disposed at a position away from an optical path of light to be collected by the reflector. | 11-22-2012 |
20120294020 | CONTROL APPARATUS FOR VEHICLE LAMP AND VEHICLE LAMP SYSTEM - A control apparatus for a vehicle lamp includes a receiver to receive an acceleration signal indicative of an acceleration detected by an acceleration sensor, and a controller to derive an inclination angle of a vehicle relative to a horizontal plane from the acceleration signal. While the vehicle is stopped and if a change in the acceleration exceeds a threshold, the controller outputs an adjustment signal indicative of an instruction to adjust an optical axis of the vehicle lamp in accordance with a difference in the inclination angle before and after the change in the acceleration. | 11-22-2012 |
20120287658 | VEHICLE LAMP - A vehicle lamp includes: an LED mount on which an LED is placed; an attachment that fixes the LED to the LED mount; a power supply that supplies power to the LED; a first optical member that controls light emitted from the LED; and a second optical member that controls light emitted from the first optical member. The power supply and the first optical member are provided at the attachment. | 11-15-2012 |