The present invention relates to a lighting device (1, 2, 5, 6) comprising a hollow and translucent envelope (12, 22, 52) connected to a base (13, 23, 53); a light mixing element (10, 20, 30, 50, 60) arranged within the envelope (12, 22, 52); and at least one light emitting diode (11, 21, 31, 51) arranged within the envelope (12, 22, 52), arranged to emit light into the light mixing element (10, 20, 30, 50, 60) and arranged in thermal contact with the light mixing element (10, 20, 30, 50, 60). The light mixing element (10, 20, 30, 50, 60) comprises a thermally conductive and translucent ceramic material. The light emitted from the light emitting diode (11, 21, 31, 51) is mixed within the light mixing element (10, 20, 30, 50, 60), distributed from the light mixing element (10, 20, 30, 50, 60) through the thermally conductive and translucent ceramic material, and transmitted through the translucent envelope (12, 22, 52). The present invention also relates to a luminaire comprising such a lighting device (1, 2, 5, 6).

Aspects of this disclosure relate to a mounting frame assembly for use with coupling to an optical assembly, the mounting frame assembly may comprise: a mounting frame comprising a first attachment interface spaced apart from a second attachment interface, wherein the mounting frame is configured to support a junction box; an aperture plate, coupled to the mounting frame at the first and second attachment interfaces, the aperture plate comprising a first aperture configured to receive a reflector assembly; and a first mounting bracket adjustably-coupled to the first attachment interface, and a second mounting bracket adjustably-coupled to the second attachment interface, the first and second mounting brackets configured to provide adjustable coupling of the mounting frame to a ceiling structure between at least two positions along a vertical direction.

In an example embodiment of the present disclosure, a light fixture assembly comprises a surface mount light fixture. The surface mount light fixture comprises a trim having a first shape. The trim comprises an outer trim perimeter and an inner trim perimeter. The inner trim perimeter defines an orifice through which light is emitted, wherein the outer trim perimeter includes a chamfered edge. The light fixture assembly further includes a skin having a second shape similar to the first shape and configured to at least partially cover the trim. The skin includes an outer skin perimeter configured to surround the outer trim perimeter, an inner skin perimeter configured to surround the inner skin perimeter, and a raised coupling feature configured to grip the chamfered edge of the trim. The skin is coupled to the trim via the engagement of the raised coupling feature and the chamfered edge.

The invention relates to a method for assembling a first and a second part of a lighting device for a vehicle by mirror welding, including a step of supplying the parts wherein each part comprises, in the interface area thereof for contact with the other part, a weld bead intended to come into contact against the weld bead of the other part during the mirror welding, the weld bead of at least one of the parts is provided with a plurality of expander ribs (N) spread out along the weld bead, in such a way as to locally expand the width of the weld bead.

An LED module is disclosed, which includes one or more LED light sources and one or more lenses. Each lens includes a lens body. The lens body includes an inner cavity having an incident surface, an emergent surface, and a reflective surface extending between the incident surface and the emergent surface for providing total internal reflection. One LED light source is situated in the inner cavity. Light emitted from the LED light source is transmitted by the incident surface. At least portion of transmitted light by the incident surface is reflected by the reflective surface to the emergent surface so as to provide a narrow light beam angle perpendicular to a length direction of the LED module. The emergent surface has a plurality of micro structures for enlarging a light viewing angle in the length direction. A sign box using one or more LED modules is also disclosed.

This invention disclosed a lamp tube comprising a tube body, a light emitting member, and a support member. The support member has a support portion and an expansion portion. The support portion is located inside the tube body; the light emitting member is located on the support portion of the support member; the expansion portion of the support member extends from one side of the support portion of the support member, with the light emitting member installed to the inner wall of the tube body. At least part of the light from the light emitting member is emitted outside the tube body along the expansion portion. A lamp tube according to embodiments of the present invention is inexpensive, has a simple manufacturing process, and the light source can be emitted in a smaller angle, improving the concentration of light.

A dome light assembly is provided for mounting to a headliner in a motor vehicle. That dome light assembly includes a mounting bracket having a flange engaging an upper face of the headliner and a receiver. Further, the dome light assembly includes a lamp housing including a fastener secured to the receiver and a light source held in the lamp housing. A related method is also provided.

An outdoor lighting fixture, comprising:

a housing;

a light emitting diode (LED) board connected to the housing and comprising at least one LED light source; and a thermally conductive reflector operably connected to a front side of the LED board and having an opening to allow light emitted from the at least one LED light source to pass through, wherein the sheet metal reflector comprises an inner reflective surface and an outer surface, and wherein the inner surface reflects light from the LED light source towards an illumination area and the outer surface radiates heat from the LED board into ambient air.

An LED luminaire with reduced glare provides a polar arrayed light gradient on a diffuser lens and replicates the appearance of a filament or tube lamp. The luminaire includes a housing having an opening, a diffuser lens extending across the opening, and a plurality of LEDs positioned within the housing behind the diffuser lens. The plurality of LEDs are arranged to generate a composite light pattern having a polar arrayed light gradient across an aperture of the diffuser lens. The polar arrayed light gradient has a light intensity that decreases concentrically with increasing radius.

A device for installing a rear cover of an intelligent lamp cap, including a first feeding device for feeding a heat sink base and a second feeding device for feeding a LED lamp bead out to an outlet of the first feeding device and assembling the LED lamp bead with the heat sink base. A lead wire threading device is arranged on a side of a positioning-mounting mechanism, and is configured to guide a lead wire of the LED lamp bead to pass through a mounting hole of the heat sink base. A third feeding device is arranged on a side of the outlet of the first feeding device to mount a bottom cover on the heat sink base.