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US 2017/0370552 A1Published application
Heat sink, corresponding lighting device and method of use
AssigneeOSRAM GmbH
InventorsAlessandro Bizzotto, Marco Munarin, Nicola Schiccheri
Life of this patent
Estimating the term…
Abstract
Accroding to the present disclosure, a heat sink, which may be used e.g. for LED lamps or bulbs for motor vehicle lights, includes: a plate-like portion extending along an axis with opposed mounting surfaces for at least one heat source, such as e.g. a LED lighting source, and a finned portion thermally coupled with the plate-like portion and including a plurality of annular fins extending around said axis.
Claims15
A heat sink, including:
- a plate-like portion extending along an axis and having opposed mounting surfaces for at least one heat source, and
- a finned portion thermally coupled with the plate-like portion and including a plurality of annular fins extending around said axis.
A lighting device, including:
- a heat sink, wherein the heat sink includes,
- a plate-like portion extending along an axis and having opposed mounting surfaces for at least one heat source, and
- a finned portion thermally coupled with the plate-like portion and including a plurality of annular fins extending around said axis, and
- an electrically powered light radiation source, mounted at at least one of said opposed surfaces of the plate-like portion.
1 more element
A method of using a heat sink, wherein the heat sink includes,
- a plate-like portion extending along an axis and having opposed mounting surfaces for at least one heat source, and
- a finned portion thermally coupled with the plate-like portion and including a plurality of annular fins extending around said axis, and the method including,
- arranging said heat sink with said axis arranged horizontally and said plate-like portion arranged vertically.
A method of using a lighting device, wherein the lighting device includes,
- a heat sink, wherein the heat sink includes a plate-like portion extending along an axis and having opposed mounting surfaces for at least one heat source, and a finned portion thermally coupled with the plate-like portion and including a plurality of annular fins extending around said axis, and
- an electrically powered light radiation source mounted at at least one of said opposed surfaces of the plate-like portion,
- the method including,
- arranging said heat sink with said axis arranged horizontally and said plate-like portion arranged vertically.
1 more element
Dependencies are inferred from the claim text.