An automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member and a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized and reflector optics arranged at the front portion, wherein the solid-state light sources are configured to emit light towards the reflector optics, the reflector optics including a first reflector optic portion and a second reflector optic portion and wherein each of a plurality of first reflective surfaces disposed on the first reflector optic portion extend in an annular region around the longitudinal direction from the plurality of solid-state light sources towards the first reflector optic portion.

An automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member and a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized and reflector optics arranged at the front portion, wherein the solid-state light sources are configured to emit light towards the reflector optics, the reflector optics including a first reflector optic portion and a second reflector optic portion and wherein each of a plurality of first reflective surfaces disposed on the first reflector optic portion extend in an annular region around the longitudinal direction from the plurality of solid-state light sources towards the first reflector optic portion.

A motor vehicle headlamp that includes a housing in which at least one main light source is arranged. Detachably attached to an external lens of the motor vehicle headlamp is at least one front housing, which has a light-guiding element and lamps for coupling light rays into the light-guiding element. The light rays are coupled out of the light-guiding element through an output structure. Further additional lamps that can give off light rays are arranged side by side in front of the external lens. The light rays given off by the lamps pass through the external lens and the front housing in the direction of an outside environment.

A motor vehicle headlamp that includes a housing in which at least one main light source is arranged. Detachably attached to an external lens of the motor vehicle headlamp is at least one front housing, which has a light-guiding element and lamps for coupling light rays into the light-guiding element. The light rays are coupled out of the light-guiding element through an output structure. Further additional lamps that can give off light rays are arranged side by side in front of the external lens. The light rays given off by the lamps pass through the external lens and the front housing in the direction of an outside environment.

A light source module including a ceramic substrate, copper traces, light emitting units, and heat conductive columns is provided. The first heat conductive column and the second heat conductive column correspond to the first light emitting unit and the second light emitting unit respectively. The negative electrode of the first light emitting unit is connected to the first copper trace, the positive electrode of the second light emitting unit is connected to the second copper trace, and the positive electrode of the first light emitting unit and the negative electrode of the second light emitting unit are connected to the third copper trace. An end of the first heat conductive column is connected to the positive electrode of the first light emitting unit, and an end of the second heat conductive column is connected to the negative electrode of the second light emitting unit.

A light source module including a ceramic substrate, copper traces, light emitting units, and heat conductive columns is provided. The first heat conductive column and the second heat conductive column correspond to the first light emitting unit and the second light emitting unit respectively. The negative electrode of the first light emitting unit is connected to the first copper trace, the positive electrode of the second light emitting unit is connected to the second copper trace, and the positive electrode of the first light emitting unit and the negative electrode of the second light emitting unit are connected to the third copper trace. An end of the first heat conductive column is connected to the positive electrode of the first light emitting unit, and an end of the second heat conductive column is connected to the negative electrode of the second light emitting unit.

A high-low beam switching device includes a lamp seat mechanism, a light pattern switching unit, and a light pattern tuning mechanism. The light pattern switching unit includes a light occluding plate pivotable relative to the lamp seat mechanism between low and high beam positions. The light pattern tuning mechanism includes a blocking member, an adjusting member operable to move the blocking member forwardly and rearwardly relative to the lamp seat mechanism, thereby adjusting an angle between the light occluding plate and the blocking member when the light occluding plate is pivoted to the low beam position.

A high-low beam switching device includes a lamp seat mechanism, a light pattern switching unit, and a light pattern tuning mechanism. The light pattern switching unit includes a light occluding plate pivotable relative to the lamp seat mechanism between low and high beam positions. The light pattern tuning mechanism includes a blocking member, an adjusting member operable to move the blocking member forwardly and rearwardly relative to the lamp seat mechanism, thereby adjusting an angle between the light occluding plate and the blocking member when the light occluding plate is pivoted to the low beam position.

In an embodiment an automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member disposed in a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, and a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized, wherein the plurality of light sources, when energized, are configured to cause the solid-state lamp to emit, through the light-transmissive housing (a) a luminous flux of at least 1500 lumens +/−10% when energized with a 13.2 Volt test voltage, or of at least 1750 lumens +/−10% when energized with a 28 Volt test voltage, or (b) a luminous flux of at least 1350 lumens +/−10% when energized with a 13.2 Volt test voltage, or of at least 1600 lumens +/−10% when energized with a 28 Volt test voltage.

The present disclosure relates to an LED vehicle lamp with a frustum base plate. The LED vehicle lamp includes a base plate, a circuit board and a plurality of LED chips. The base plate is a frustum base plate. The frustum base plate is arranged on an axis of the LED vehicle lamp. A width of an upper bottom surface of the frustum base plate is smaller than that of a lower bottom surface of the frustum base plate. An axis of the circuit board is parallel to an axis of the frustum base plate. A width of the circuit board is smaller than that of the upper bottom surface of the frustum base plate. The circuit board is installed on the upper bottom surface of the frustum base plate, and the plurality of LED chips are installed on the circuit board.