Patent classifications
F21S45/42
Vehicle lamp
A vehicle lamp has a lamp housing, a lamp unit having a light source and disposed in a lamp chamber formed as an internal space of the lamp housing, and a controller configured to output a drive current that drives a light emission of the light source. The controller has a temperature detector. The controller is configured to control a current amount of the drive current on the basis of a detection result of the temperature detector. The controller is disposed above the light source.
Light-emitting apparatus
Embodiments provide a light-emitting apparatus including at least one light source, a wavelength converter configured to convert a wavelength of light emitted from the light source, a first lens configured to face a light emission surface of the wavelength converter, and a rounded reflector spaced apart from the first lens, the reflector being configured to reflect light emitted from the first lens.
Micro-channel heat sink for LED headlamp
The present application discloses various embodiments of a heat sink for semiconductor devices and methods for using and constructing the same. According to at least one aspect of the present disclosure, a heat sink for cooling a semiconductor device includes a base plate including a first side and a second side; a leg extending from the second side of the base plate, the leg including a distal end opposite the base plate and opposing walls extending between the base plate and the distal end; a leg plate disposed adjacent the distal end of the leg; a plurality of fins disposed between the distal end of the leg and the leg plate; and a plurality of micro-channels defined by the distal end of the leg, the plurality of fins, and the leg plate.
Micro-channel heat sink for LED headlamp
The present application discloses various embodiments of a heat sink for semiconductor devices and methods for using and constructing the same. According to at least one aspect of the present disclosure, a heat sink for cooling a semiconductor device includes a base plate including a first side and a second side; a leg extending from the second side of the base plate, the leg including a distal end opposite the base plate and opposing walls extending between the base plate and the distal end; a leg plate disposed adjacent the distal end of the leg; a plurality of fins disposed between the distal end of the leg and the leg plate; and a plurality of micro-channels defined by the distal end of the leg, the plurality of fins, and the leg plate.
VEHICULAR HEADLAMP
Provided is a vehicular headlamp including: a first light source that emits a first light serving as a low beam; a second light source that emits a second light serving as a high beam; a projection lens that transmits the first light and the second light; a third light source that emits a third light in response to at least one of an operation of a steering and an operation of a direction indicator; and an optical member that adjusts a light distribution of the third light. The first light source, the second light source, and the third light source share a single heat sink.
VEHICULAR HEADLAMP
Provided is a vehicular headlamp including: a first light source that emits a first light serving as a low beam; a second light source that emits a second light serving as a high beam; a projection lens that transmits the first light and the second light; a third light source that emits a third light in response to at least one of an operation of a steering and an operation of a direction indicator; and an optical member that adjusts a light distribution of the third light. The first light source, the second light source, and the third light source share a single heat sink.
Lighting device for a vehicle headlamp
A lighting device (10) for a vehicle headlamp, comprising: a light module (50), a fan (100) configured to dissipate heat produced by the light module (50), a support frame (70) configured to hold the light module (50), wherein the support frame (70) comprises a securing device (200) which is disposed on the support frame (70), wherein the securing device (200) is configured to secure the fan (100) in an end position (P2) on the securing device (200), wherein the securing device (200) comprises a protrusion (210) extending along an axis (Z) and a first fastening-element (220), wherein the fan (100) comprises an engaging-opening (110), and a second fastening-element (120), wherein the securing device (200) is arranged in a way, that allows the fan (100) to be brought into an intermediate position (P1) by inserting the engaging-opening (110) onto the protrusion (210), such that the fan (100) is mounted pivotable around the axis (Z) on the securing device (200), wherein the securing device (200) is arranged in a way, that allows the fan (100) to be brought into the end position (P2) by rotating the fan (100) starting from the intermediate position (PI) around the axis (Z), such that the second fastening-element (120) engages with the first fastening-element (220) to secure the fan (100) in the end position (P2).
Lighting device for a vehicle headlamp
A lighting device (10) for a vehicle headlamp, comprising: a light module (50), a fan (100) configured to dissipate heat produced by the light module (50), a support frame (70) configured to hold the light module (50), wherein the support frame (70) comprises a securing device (200) which is disposed on the support frame (70), wherein the securing device (200) is configured to secure the fan (100) in an end position (P2) on the securing device (200), wherein the securing device (200) comprises a protrusion (210) extending along an axis (Z) and a first fastening-element (220), wherein the fan (100) comprises an engaging-opening (110), and a second fastening-element (120), wherein the securing device (200) is arranged in a way, that allows the fan (100) to be brought into an intermediate position (P1) by inserting the engaging-opening (110) onto the protrusion (210), such that the fan (100) is mounted pivotable around the axis (Z) on the securing device (200), wherein the securing device (200) is arranged in a way, that allows the fan (100) to be brought into the end position (P2) by rotating the fan (100) starting from the intermediate position (PI) around the axis (Z), such that the second fastening-element (120) engages with the first fastening-element (220) to secure the fan (100) in the end position (P2).
Ventilation apparatus of lamp module for vehicles
A ventilation apparatus of a lamp module for vehicles may include a lamp housing, a lamp installed in the lamp housing and emitting light through a light transmitting part, a light transmitting lens covering an opening of the lamp housing and transmitting the light emitted from the light transmitting part, an intake hole part formed through the lamp housing and arranged at one side of the lamp, an exhaust hole part formed through the lamp housing and arranged at the other side of the lamp, an exhaust pipe coupled to the lamp housing and connected to the exhaust hole part, and an exhaust pump connected to the exhaust pipe and forcibly discharging the air between the lamp housing and the light transmitting lens through the exhaust pipe.
Vehicle headlamp and light-injecting accent lamp combination and method
An accent lamp (10) having a solid state light source (4), such as LEDs, is attachable to a rear surface of an automotive headlamp (40) opposite the light-generating capsule (44). Accent lamp (10) has first retaining member (20), such as a clamp, formed above printed circuit board (8) on which LED (4) is mounted. Headlamp base (60) defines light passageway (45), formed as a light guide (42), extending from outermost peripheral surface (63) to an upper surface (61) on which lamp capsule (44) is retained. Accent lamp (10) is readily detachably mounted to headlamp (40), preferably by resilient first and second retaining members (20, 24), and, when mounted, can be biased to promote optical coupling of light source (4) to light guide (42).