A downlight apparatus includes a light source, a driver box, a light housing and a heat dissipation plate. The driver box is used for storing a driver. The driver is connected to an external power source to generate a driving current to the light source. The light housing has a light holder and a rim. The light source is stored in the light holder. The rim defines a light opening for a light of the light source to escape. The heat dissipation plate is placed between the light holder and the driver box for carrying away both heat of the driver box and the light source. The heat dissipation plate is a separate metal piece from the driver box and the light housing. The heat dissipation plate has a portion not covered by the light holder and the driver box and exposed to air.

A downlight apparatus includes a light source, a driver box, a light housing and a heat dissipation plate. The driver box is used for storing a driver. The driver is connected to an external power source to generate a driving current to the light source. The light housing has a light holder and a rim. The light source is stored in the light holder. The rim defines a light opening for a light of the light source to escape. The heat dissipation plate is placed between the light holder and the driver box for carrying away both heat of the driver box and the light source. The heat dissipation plate is a separate metal piece from the driver box and the light housing. The heat dissipation plate has a portion not covered by the light holder and the driver box and exposed to air.

A light fixture includes a housing, a light source, and a zoom mechanism. The light source is supported within the housing and emits light. The zoom mechanism selectively varies a beam angle of the light emitted from the light fixture and includes a lens and a movable element. The lens is fixed relative to the light source. The movable element is movable relative to the lens between a first position and a second position. The lens reflects a portion of the light emitted by the light source via internal reflection when the movable element is in the first position. The movable element is closer to at least a portion of the lens when the movable element is in the second position to at least partially frustrate the internal reflection.

A light fixture includes a housing, a light source, and a zoom mechanism. The light source is supported within the housing and emits light. The zoom mechanism selectively varies a beam angle of the light emitted from the light fixture and includes a lens and a movable element. The lens is fixed relative to the light source. The movable element is movable relative to the lens between a first position and a second position. The lens reflects a portion of the light emitted by the light source via internal reflection when the movable element is in the first position. The movable element is closer to at least a portion of the lens when the movable element is in the second position to at least partially frustrate the internal reflection.

The present disclosure relates to the technical field of decorative lamps, and provides an articulated device and a foldable star lamp including the same. The articulated device includes an articulated joint and an articulated base, wherein the articulated joint includes an articulated joint bottom and an articulated joint top, the articulated joint bottom is sleeved on the articulated base and is capable of pivoting around a fixed axle, the articulated base is provided with a first stop block for preventing excessive rotation of the articulated joint.

A rotating arm structure of a lamp includes a rotating arm body; rotating shaft, arranged on the rotating arm body; rotating shaft base, arranged on an lamp body and being in interference fit with the rotating shaft; the rotating shaft base includes base, being with top surface provided with an arc-shaped groove that is rotationally matched with the rotating shaft, and the base is provided with a limiting structure limiting the axial movement of the rotating shaft; elastic pressing piece, located directly above the arc-shaped groove, and two ends are pressed down and fixed and middle part are bend upward and compresses the rotating shaft on the base. The structure is simple, and the installation is convenient, which can effectively reduce the manufacturing cost while keeping the lamp body stable and smooth.

LED related lighting methods and apparatus are described. Various features relate to water tight light fixtures. Some of the fixtures are spotlights while other fixture are intended for in ground use. The light fixtures in at least some embodiments include power control features. In spotlight embodiments beam angle and power or light output can be controlled without opening the light assembly or compromising the water tight seals which also protect against dirt. In ground embodiments support tilt angle setting which allow a user to set the light fixture to one or more tilt angles. Beam angle can also be changed in some embodiments as well as power control. Beam angle, power control and tilt angle adjustments are supported in some embodiments but need not be supported in all embodiments with some embodiments using one or more of the described features but not all features.

LED related lighting methods and apparatus are described. Various features relate to water tight light fixtures. Some of the fixtures are spotlights while other fixture are intended for in ground use. The light fixtures in at least some embodiments include power control features. In spotlight embodiments beam angle and power or light output can be controlled without opening the light assembly or compromising the water tight seals which also protect against dirt. In ground embodiments support tilt angle setting which allow a user to set the light fixture to one or more tilt angles. Beam angle can also be changed in some embodiments as well as power control. Beam angle, power control and tilt angle adjustments are supported in some embodiments but need not be supported in all embodiments with some embodiments using one or more of the described features but not all features.

A light includes a hub and an arm extending radially outward from the hub. The arm includes a light source configured to emit light from the arm. The arm is rotatably connected to the hub such that the arm is configured to rotate about a longitudinal axis of the hub between an extended angular position and a folded angular position. The arm extends radially outward from the hub in a different radial direction in the extended angular position as compared to the folded angular position.

A light includes a hub and an arm extending radially outward from the hub. The arm includes a light source configured to emit light from the arm. The arm is rotatably connected to the hub such that the arm is configured to rotate about a longitudinal axis of the hub between an extended angular position and a folded angular position. The arm extends radially outward from the hub in a different radial direction in the extended angular position as compared to the folded angular position.