Lighting device with a thermally conductive fluid
AssigneeKoninklijke Philips N.V.
InventorsRifat HIKMET, Coen Theodorus Hubertus Fransiscus LIEDENBAUM, Ties VAN BOMMEL
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Abstract
A lighting device (100) is disclosed, comprising a first closed or delimited space (120) which is fluidly sealed and includes a thermally conductive fluid therein, and at least one delimited second space (150) which is partly enclosed by the first space (120) and is fluidly connected to the exterior of the lighting device (100). The second space (150) comprises a thermally conductive interface (160) to the first space (120). The thermally conductive interface (160) is coupled to at least one light-emitting element (170) arranged within the second space (150) and configured to emit light such that at least a portion of the light is emitted into the first space (120).
Claims15
A lighting device comprising:
- a first at least in part light-transmissive surface structure at least in part delimiting a fluidly sealed, closed first space which includes a thermally conductive fluid therein;
- at least one second at least in part light-transmissive surface structure at least in part defining at least one second space which is fluidly connected to the exterior of the lighting device, which at least one second surface structure is partly enclosed by the first surface structure;
- wherein the at least one second surface structure comprises a thermally conductive interface between the second space and the first space, the thermally conductive interface being coupled to at least one light-emitting element arranged within the second space and configured to emit light such that at least a portion of the emitted light passes through the at least one second surface structure and subsequently through the first surface structure.
Dependencies are inferred from the claim text.