Abstract: A device is provided that comprises a metallic substrate defining a plurality of openings, the openings having a first area. The openings form one or more heat dissipating elements having a second area. The device comprises a plurality of sites on a surface of the one or more heat dissipating elements. Each site is configured to receive a light emitting element. The device comprises a plurality of conductor elements having a third area. The conductor elements are physically separated from the one or more heat dissipating elements by the openings. The conductor elements are configured to enable electrical connections to the light emitting elements and are electrically isolated from the one or more heat dissipating elements.

Abstract: A lighting device comprises a base (7), a light aggregate (3), and a lens member (1) covering the light aggregate (3). The base (7) and the lens member (1) comprise mounting holes (27, 25), the mounting holes (25) of the lens member (1) being positioned along the periphery (1A) of the lens member (1). Mounting holes (25, 27) of the lens member (1) and the base (7) are aligned, and mounting elements (11A, 11B) are extending and fixed in said mounting holes (25, 27) thereby fixing the lens member (1) to the base (7). Each of the mounting elements (11A, 11B) at least along half of the periphery (1A) of the lens member (1) are yielding elements relative to the base (7) and the lens member (1). The mounting elements (11A, 11B) have a lower Young's modulus than the base (7) and the lens member (1).

Abstract: A light source cooling body (100), a light source assembly, a luminaire and a method to manufacture a light source cooling body or a light source assembly are provided. The light source cooling body comprises a homogeneous body (104) made of a thermally conductive material. The homogenous body comprises an open space that comprises a wick structure, a condenser (112) and an evaporator (116). Near the evaporator the light source cooling body has an interface area (102) to thermally couple with a light source and to receive heat from the light source. The condenser is arranged away from the interface area. A portion 114 of the open space is tubular shaped. The open space may hold a cooling liquid partially in the gaseous phase and partially in the liquid phase and the wick structure is configured to transport the cooling material in the liquid phase towards the evaporator.

Abstract: A lighting assembly adapted to be mounted in a lighting fixture is provided. The lighting assembly comprises comprises a first reflector, a second reflector and at least two sidewall parts, a first fastening arrangement adapted to secure the first reflector to in at least one sidewall part, and a second fastening arrangement adapted to secure the second reflector to at least one sidewall part. The first reflector, the second reflector and the at least two sidewall parts are adapted to be arranged in the lighting fixture and secured to each other such that they define sidewalls of a four-sided cavity. Further, junctions between the first reflector, the second reflector and the at least two sidewall parts are arranged to be at the corners of the four-sided cavity when the first reflector, the second reflector and the at least two sidewall parts are arranged in the lighting fixture.

Abstract: A lighting assembly adapted to be mounted in a lighting fixture is provided. The lighting assembly comprises comprises a first reflector, a second reflector and at least two sidewall parts, a first fastening arrangement adapted to secure the first reflector to in at least one sidewall part, and a second fastening arrangement adapted to secure the second reflector to at least one sidewall part. The first reflector, the second reflector and the at least two sidewall parts are adapted to be arranged in the lighting fixture and secured to each other such that they define sidewalls of a four-sided cavity. Further, junctions between the first reflector, the second reflector and the at least two sidewall parts are arranged to be at the corners of the four-sided cavity when the first reflector, the second reflector and the at least two sidewall parts are arranged in the lighting fixture.

Abstract: A light source cooling body (100), a light source assembly, a luminaire and a method to manufacture a light source cooling body or a light source assembly are provided. The light source cooling body comprises a homogeneous body (104) made of a thermally conductive material. The homogenous body comprises an open space that comprises a wick structure, a condenser (112) and an evaporator (116). Near the evaporator the light source cooling body has an interface area (102) to thermally couple with a light source and to receive heat from the light source. The condenser is arranged away from the interface area. A portion 114 of the open space is tubular shaped. The open space may hold a cooling liquid partially in the gaseous phase and partially in the liquid phase and the wick structure is configured to transport the cooling material in the liquid phase towards the evaporator.

Abstract: A lighting device or a lamp bulb (100, 200) with a smooth appearance comprises at least one light source (101); a heat sink component (104, 204), having a bottom (1043) and a side wall (1044) extending from the bottom (1044), wherein the bottom (1043) comprises a protrusion (1041) and wherein the at least one light source (101) thermally contacts the protrusion (1041) of the heat sink component (104, 204); and a cover provided on the sidewall (1044) opposite to the bottom (1043), thereby defining an air chamber (1051, 2051) between the cover, the side wall (1044), the bottom (1043) and the protrusion (1041).

Abstract: A device is provided that comprises a metallic substrate defining a plurality of openings, the openings having a first area. The openings form one or more heat dissipating elements having a second area. The device comprises a plurality of sites on a surface of the one or more heat dissipating elements. Each site is configured to receive a light emitting element. The device comprises a plurality of conductor elements having a third area. The conductor elements are physically separated from the one or more heat dissipating elements by the openings. The conductor elements are configured to enable electrical connections to the light emitting elements and are electrically isolated from the one or more heat dissipating elements.

Abstract: A light source cooling body (100), a light source assembly, a luminaire and a method to manufacture a light source cooling body or a light source assembly are provided. The light source cooling body comprises a homogeneous body (104) made of a thermally conductive material. The homogenous body comprises an open space that comprises a wick structure, a condenser (112) and an evaporator (116). Near the evaporator the light source cooling body has an interface area (102) to thermally couple with a light source and to receive heat from the light source. The condenser is arranged away from the interface area. A portion 114 of the open space is tubular shaped. The open space may hold a cooling liquid partially in the gaseous phase and partially in the liquid phase and the wick structure is configured to transport the cooling material in the liquid phase towards the evaporator.

Abstract: A light emitting device is provided that includes an integral heat dissipation element. This heat dissipation element is included in the leadframe that is used to facilitate fabrication of the light emitting device, to provide a single common substrate that forms both the heat dissipation element and the conductive elements for coupling the light emitting device to external sources of power. The heat dissipation element may extend beyond the protective structure that surrounds the light emitting element to facilitate heat dissipation to the surrounding medium.

Abstract: A lighting device or a lamp bulb (100, 200) with a smooth appearance comprises at least one light source (101); a heat sink component (104, 204), having a bottom (1043) and a side wall (1044) extending from the bottom (1044), wherein the bottom (1043) comprises a protrusion (1041) and wherein the at least one light source (101) thermally contacts the protrusion (1041) of the heat sink component (104, 204); and a cover provided on the sidewall (1044) opposite to the bottom(1043), thereby defining an air chamber (1051, 2051) between the cover, the side wall (1044), the bottom (1043) and the protrusion (1041).

Abstract: A lighting device or a lamp bulb (100, 200) with a smooth appearance comprises at least one light source (101); a heat sink component (104, 204), having a bottom (1043) and a side wall (1044) extending from the bottom (1044), wherein the bottom (1043) comprises a protrusion (1041) and wherein the at least one light source (101) thermally contacts the protrusion (1041) of the heat sink component (104, 204); and a cover provided on the sidewall (1044) opposite to the bottom(1043), thereby defining an air chamber (1051, 2051) between the cover, the side wall (1044), the bottom (1043) and the protrusion (1041).

Abstract: A lamp comprising a driver assembly, the driver assembly including a driver board with driver electronics, at least one point light source and a heat sink, the heat sink including a top side and a bottom side, a central space extending from the bottom side to the top side and adapted for receiving the driver board of the driver assembly, a zone provided at the top side and adapted for receiving the at least one point light source, wherein a plurality of fins adapted for dissipating heat are extending on opposite sides of the central space, and an extension of the central space in at least one radial direction of the heat sink is larger than an extension of the zone in the radial direction of the heat sink such that the central space is provided with at least one section arranged offset from and radially adjacent to the zone.

Abstract: A light emitting device is provided that includes an integral heat dissipation element. This heat dissipation element is included in the leadframe that is used to facilitate fabrication of the light emitting device, to provide a single common substrate that forms both the heat dissipation element and the conductive elements for coupling the light emitting device to external sources of power. The heat dissipation element may extend beyond the protective structure that surrounds the light emitting element to facilitate heat dissipation to the surrounding medium.

Abstract: A light source cooling body (100), a light source assembly, a luminaire and a method to manufacture a light source cooling body or a light source assembly are provided. The light source cooling body comprises a homogeneous body (104) made of a thermally conductive material. The homogenous body comprises an open space that comprises a wick structure, a condenser (112) and an evaporator (116). Near the evaporator the light source cooling body has an interface area (102) to thermally couple with a light source and to receive heat from the light source. The condenser is arranged away from the interface area. A portion 114 of the open space is tubular shaped. The open space may hold a cooling liquid partially in the gaseous phase and partially in the liquid phase and the wick structure is configured to transport the cooling material in the liquid phase towards the evaporator.

Abstract: The invention describes an adapter part (2, 9) for a modular lighting assembly (1) comprising a number of light-emitting diodes (4) mounted on a separate base part (3), which adapter part (2, 9) comprises a number of first electrical connectors (21) arranged to connect the light-emitting diodes (4) to an external power supply; at least one electrical component (5) arranged in a body of the adapter part (2, 9); and a number of second electrical connectors (22) arranged to connect external circuitry to an electrical component (5) arranged in the body of the adapter part (2, 9). The invention further describes a modular lighting assembly (1) comprising a base part (3) upon which a number of light-emitting diodes (4) is mounted; and an adapter part (2, 9) according to the invention.

Abstract: A lighting device or a lamp bulb (100, 200) with a smooth appearance comprises at least one light source (101); a heat sink component (104, 204), having a bottom (1043) and a side wall (1044) extending from the bottom (1044), wherein the bottom (1043) comprises a protrusion (1041) and wherein the at least one light source (101) thermally contacts the protrusion (1041) of the heat sink component (104, 204); and a cover provided on the sidewall (1044) opposite to the bottom(1043), thereby defining an air chamber (1051, 2051) between the cover, the side wall (1044), the bottom (1043) and the protrusion (1041).

Abstract: A lighting device or a lamp bulb (100, 200) with a smooth appearance comprises at least one light source (101); a heat sink component (104, 204), having a bottom (1043) and a side wall (1044) extending from the bottom (1044), wherein the bottom (1043) comprises a protrusion (1041) and wherein the at least one light source (101) thermally contacts the protrusion (1041) of the heat sink component (104, 204); and a cover provided on the sidewall (1044) opposite to the bottom (1043), thereby defining an air chamber (1051, 2051) between the cover, the side wall (1044), the bottom (1043) and the protrusion (1041).

Abstract: The invention provides an illumination device comprising an envelope enclosing a light source, preferably a LED, and a luminescent material. The envelope comprises a transmissive part, and a reflective part, wherein the reflective part comprises a reflective ceramic material. The ceramic material can be used for heat dissipation.

Abstract: The invention provides an illumination device comprising an envelope enclosing a light source, preferably a LED, and a luminescent material. The envelope comprises a transmissive part, and a reflective part, wherein the reflective part comprises a reflective ceramic material. The ceramic material can be used for heat dissipation.