A light includes a housing having a lens, a bottom cover, and a middle cover positioned between the lens and the bottom cover. The lens, the bottom cover, and the middle cover cooperate to form a water-tight space. The light additionally includes a chimney having a hollow tube extending from a bottom of the housing to a top of the housing, a heat sink coupled to the chimney and positioned within the lens, and one or more LEDs coupled to the heat sink to emit light through the lens. The light also includes a circuit board positioned within the water-tight space and coupled to the one or more LEDs to control operation of the light.

A light includes a housing having a lens, a bottom cover, and a middle cover positioned between the lens and the bottom cover. The lens, the bottom cover, and the middle cover cooperate to form a water-tight space. The light additionally includes a chimney having a hollow tube extending from a bottom of the housing to a top of the housing, a heat sink coupled to the chimney and positioned within the lens, and one or more LEDs coupled to the heat sink to emit light through the lens. The light also includes a circuit board positioned within the water-tight space and coupled to the one or more LEDs to control operation of the light.

A wavelength conversion device, an illumination device, and a projector that can efficiently cool a phosphor. A wavelength conversion device includes a substrate including a phosphor layer in which a phosphor is included, a rotating device configured to rotate the substrate, a circulating device that circulates a cooling gas to the substrate, and a housing configured to house the substrate and the circulating device. The housing includes a partition wall configured to separate a first space in which the cooling gas is circulated to the substrate by the circulating device and a second space in which the cooling gas radially delivered from the substrate according to the rotation of the substrate circulates.

A wavelength conversion device, an illumination device, and a projector that can efficiently cool a phosphor. A wavelength conversion device includes a substrate including a phosphor layer in which a phosphor is included, a rotating device configured to rotate the substrate, a circulating device that circulates a cooling gas to the substrate, and a housing configured to house the substrate and the circulating device. The housing includes a partition wall configured to separate a first space in which the cooling gas is circulated to the substrate by the circulating device and a second space in which the cooling gas radially delivered from the substrate according to the rotation of the substrate circulates.

A light includes a housing having an upper portion and a lower portion. The lower portion defines a battery port. The light also includes a heat sink extending upward from the lower portion. The heat sink includes a body defining a central aperture that extends along a central axis, a plurality of light support surfaces arranged around a perimeter of the body, and a top support member attached to tops of the plurality of light support surfaces. The light further includes a first plurality of LEDs coupled to the plurality of light support surfaces to emit light in a 360 degree pattern, a second plurality of LEDs supported on a surface of the top support member that is perpendicular to the plurality of light support surfaces, and a battery pack received in the battery port to power the first plurality of LEDs and the second plurality of LEDs.

A light includes a housing having an upper portion and a lower portion. The lower portion defines a battery port. The light also includes a heat sink extending upward from the lower portion. The heat sink includes a body defining a central aperture that extends along a central axis, a plurality of light support surfaces arranged around a perimeter of the body, and a top support member attached to tops of the plurality of light support surfaces. The light further includes a first plurality of LEDs coupled to the plurality of light support surfaces to emit light in a 360 degree pattern, a second plurality of LEDs supported on a surface of the top support member that is perpendicular to the plurality of light support surfaces, and a battery pack received in the battery port to power the first plurality of LEDs and the second plurality of LEDs.

There is provided an illumination unit including a light emitting device with a coupling surface, the light emitting device including a terminal provided on the coupling surface, a holding member that houses the light emitting device, a wiring substrate that is provided separately from the coupling surface of the light emitting device and is electrically coupled with the terminal, and a heatsink that includes an adjacent part adjacent to the coupling surface of the light emitting device.

A LED lighting assembly is provided having a housing having a top portion and an opposed base, a plurality of lighting elements connected to and positioned radially around the assembly, at least one of the plurality of lighting elements connected to an integral heat sink wherein each of the plurality of lighting elements positioned adjacent to an optic, the optic configured to control the direction of the light such that it directs the light below horizon to improve the area lighting efficiency. The LED lighting assembly may be controlled remotely or by mesh operations as herein described.

A lighting fixture includes a lamp support, a lamp arm on the lamp support, a lamp cup shell defining an installation seat at an end of the lamp arm, a lamp shade configured to be supported on the lamp cup shell, and an LED bulb configured to extend into the installation seat. The LED bulb includes a heat sink, an LED lamp panel on the heat sink including LEDs on a base board, a light transmitting cover covering the LED lamp panel, a bottom case assembly on the heat sink including an LED power drive module electrically coupled to the LED lamp panel, and electrical connection members for electrically coupling the LED bulb to the lamp cup shell. A screw press ring is configured to attach the LED bulb to the lamp shade, and mechanical installation members are configured to detachably couple the LED bulb to the lamp cup shell.

A lighting fixture includes a lamp support, a lamp arm on the lamp support, a lamp cup shell defining an installation seat at an end of the lamp arm, a lamp shade configured to be supported on the lamp cup shell, and an LED bulb configured to extend into the installation seat. The LED bulb includes a heat sink, an LED lamp panel on the heat sink including LEDs on a base board, a light transmitting cover covering the LED lamp panel, a bottom case assembly on the heat sink including an LED power drive module electrically coupled to the LED lamp panel, and electrical connection members for electrically coupling the LED bulb to the lamp cup shell. A screw press ring is configured to attach the LED bulb to the lamp shade, and mechanical installation members are configured to detachably couple the LED bulb to the lamp cup shell.