Osram Ag

Osram Gmbh

Ledvance Gmbh

Osram Gesellschaft MIT Beschraenkter Haftung

Nicole Breidenassel

Fabian Reingruber

Klaus Eckert

Guenter Hoetzl

Markus Hofmann

Juergen Komar

Johannes Hoechtl

Thomas Preuschl

Peter Sachsenweger

Ralph Bertram

Alessandro Scordino

Robert Kraus

Simon Schwalenberg

Henrike Streppel

Tobias Frost

Giovanni Scilla

Klaus Burkard

Florian Zeus

Zoran Bosnjak

A lighting device includes a heat sink, through which air can flow transversely to its longitudinal extension and a plurality of semiconductor light sources, in particular light-emitting diodes, arranged on the heat sink, wherein at least two of the semiconductor light sources are aligned in different directions.

Lighting device

In various embodiments, a lighting device may include at least one heat sink and a base configured to accommodate at least one light source and at least one device connected to the lighting device configured to generate a cooling media flow, wherein the cooling media flow runs predominantly parallel to the plane of the base of the heat sink.

Lighting device having at least one heat sink

A fastening element for fastening a light source substrate to a support. The fastening element is configured to be seated on the light source substrate, and includes at least one fastening portion for fastening to the support.

Fastening element, luminous module and luminous apparatus

A semiconductor lamp includes a reflector having a lower side and an upper side, wherein the lower side widens laterally and wherein the lower side and the upper side are separated from one another by an upper rim, and having a first light source group having at least one semiconductor light source and a second light source group having at least one semiconductor light source, wherein the reflector is provided as a cooling body for the first light source group and for the second light source group; wherein at least a part of a light that can be emitted by the first light source group can be reflected by means of the lower side of the reflector at least into a spatial angle range that cannot be directly illuminated by the first light source group.

Semiconductor lamp having two groups of LEDs corresponding to upper and lower sides of a reflector

An illumination device comprising at least one reflector and at least one light generating unit, wherein the at least one reflector is designed and arranged to reflect at least a portion of a light emitted by the at least one light generating unit into a spatial region that cannot be directly irradiated thereby, and the at least one light generating unit comprises at least one illuminating region having a substantially uniform emission characteristic in a circumferential direction of the illumination device.

Illumination device and method for producing an illumination device

A lamp (), at least comprising: a heat sink (), which bears at least one light source; () and an at least partially optically transmissive cover () for the at least one light source (), said cover being fastened to the heat sink (), the cover () having a wall thickness (d) which, at least sectionally, tapers as the distance from the heat sink () increases.

Lamp incorporating a heat sink and an optically transmissive cover

A cooling element for a lighting device having a plurality of cooling fins, wherein adjacent cooling fins delimit a cooling fin intermediate space with at least one air duct for connecting at least two cooling fin intermediate spaces.

Cooling element for a lighting device

A lighting device, having at least one light outlet opening and at least two different fixing interfaces for the optional fixing of a respective attachment element optically upstream of the at least one light outlet opening.

Lighting device and attachment element for fixing to the lighting device

A cooling member for at least one semiconductor light emitting element, in particular an LED, may include a mounting cavity for accommodating at least part of a control electronics unit, whereby the cooling member is composed of multiple cooling member parts, whereby each of which cooling member parts includes part of a wall of the mounting cavity.

Cooling member for semiconductor light emitting elements

In various embodiments, a semiconductor lamp may include at least one semiconductor light source; a driver for operating the at least one semiconductor light source and at least one heat sink for cooling the at least one semiconductor light source and the driver; wherein the at least one heat sink may include a first heat sink, which is thermally connected to the at least one semiconductor light source and a second heat sink, which is thermally connected to the driver; wherein the first heat sink and the second heat sink are thermally insulated from one another.

Semiconductor lamp

A heat sink is provided. The heat sink may include an open cavity formed by a cavity wall, a cavity bottom wall thereof including a light source region adapted to have a light source mounted thereon and a lateral cavity wall thereof including a reflection region adapted to reflect light emitted from the light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink including a bottom region and a lateral region, the heat spreading and dissipation structure including a plurality of vertically aligned fins; an air guidance structure adapted to separate the heat sink from an air flow generator; and at least one mounting column for attaching the heat sink to a lighting device.

Growing community of inventors

Bad Abbach, Germany

Nicole Breidenassel