A light device including a housing having at least one wall that defines an internal cavity. A heat sink is attached to the housing. The heat sink includes a body, a plurality of mat fins disposed about a periphery of a body, and a plurality of pin fins disposed in staggered rows on a central portion of a face of the body. The plurality of mat fins direct air in a predetermined direction to the central portion and the plurality of pin fins define a plurality of tortuous air paths along the central portion.

A light device including a housing having at least one wall that defines an internal cavity. A heat sink is attached to the housing. The heat sink includes a body, a plurality of mat fins disposed about a periphery of a body, and a plurality of pin fins disposed in staggered rows on a central portion of a face of the body. The plurality of mat fins direct air in a predetermined direction to the central portion and the plurality of pin fins define a plurality of tortuous air paths along the central portion.

A QCL module according to an embodiment includes a package accommodating a QCL element and provided with a window material for extracting a laser beam emitted from the QCL element to the outside, a lens hold member for holding a lens on which the laser beam output from the window material is incident, a cooling fan for cooling the package, and a base for holding the package, the lens hold member, and the cooling fan. The package and the lens hold member are fastened together to the base by a common screw member.

A solid state lighting (SSL) with a solid state emitter (SSE) having thermally conductive projections extending into an air channel, and methods of making and using such SSLs. The thermally conductive projections can be fins, posts, or other structures configured to transfer heat into a fluid medium, such as air. The projections can be electrical contacts between the SSE and a power source. The air channel can be oriented generally vertically such that air in the channel warmed by the SSE flows upward through the channel.

A frame system for securing a lighting fixture to a surface is provided. The frame system can include a frame defining an opening. The frame can be configured to accommodate a selected insert of a plurality of inserts associated with the lighting fixture and coupleable to the frame. Each of the plurality of inserts can include an aperture defining portion of a different size or shape. The aperture defining portion of the selected insert can extend through the opening defined by the frame.

The invention relates to a lighting apparatus for a container device of a household appliance, in particular a washing machine, wherein at least one disinfection apparatus is integrated in the lighting apparatus, wherein the at least one disinfection apparatus comprises a first radiation source device.

An illumination device with a projector includes a base, a shade having a side-surface shade surrounding an outer circumferential side of the base, an upper-surface shade disposed above the base, and a lower-surface shade disposed below the base, a projector which is installed on the base, and projects image light toward the side-surface shade, and an illumination unit for illuminating the upper-surface shade and the lower-surface shade from inside the shade. The side-surface shade is provided with a mirror surface part for reflecting light which shines on the side-surface shade from the outside. The mirror surface part is provided with an image light transmission part which the image light enters. The image light transmission part is a semi-transmissive mirror. Therefore, the image light can be projected via the semi-transmissive mirror, but a projection opening of the projector is not seen from the outside.

An illumination device with a projector includes a base, a shade having a side-surface shade surrounding an outer circumferential side of the base, an upper-surface shade disposed above the base, and a lower-surface shade disposed below the base, a projector which is installed on the base, and projects image light toward the side-surface shade, and an illumination unit for illuminating the upper-surface shade and the lower-surface shade from inside the shade. The side-surface shade is provided with a mirror surface part for reflecting light which shines on the side-surface shade from the outside. The mirror surface part is provided with an image light transmission part which the image light enters. The image light transmission part is a semi-transmissive mirror. Therefore, the image light can be projected via the semi-transmissive mirror, but a projection opening of the projector is not seen from the outside.

Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipater 12.

Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipater 12.