A downlight apparatus has a rotatable base, a light module and a front cover. The light is rotatable in a spherical rotating space defined by the rotatable base. There is a stop structure for keeping the light module staying at rotating angle with respect to the rotatable base when there is no external force applying on the light module.

A lighting fixture includes a light source holder, a pair of position adjustors, and an outer shell. The light source holder holds a light source. The position adjustors are arranged to face each other and interpose the light source holder between themselves and supports the light source holder to allow the light source holder to rotate around a first virtual axis defined as a virtual axis passing through the position adjustors. The outer shell has an opening in which the light source holder and the position adjustors are arranged and supports the position adjustors to allow the position adjustors to rotate around a second virtual axis defined by a normal to an opening plane of the opening. The first virtual axis intersects with the second virtual axis and is located either within or behind the opening plane.

A display system and a control method are provided. The display system includes a display device, an illumination device and a control circuit. The display device includes a display panel. The display panel is configured to display an image frame. The illumination device is movably disposed on the display device. The illumination device selectively projects light in a first direction or in a second direction different from the first direction. When the illumination device projects the light in the first direction, the control circuit generates a first control signal so as to control the illumination device to perform a first illumination mode. When the illumination device projects the light in the second direction, the control circuit generates a second control signal so as to control the illumination device to perform a second illumination mode different from the first illumination mode.

Disclosed are systems, kits and methods for smart footwear for dance performances, as well as computer-implemented methods to train performers using the smart footwear. An example method for improving a dance technique or a dance performance by a performer, comprises receiving, using a radio frequency (RF) transceiver on a wireless device, a signal from an RF transmitter on a pointe shoe, determining, based on the signal, an activation status of each of a plurality of pressure sensors on the pointe shoe, and providing, based on the activation status, an indication of an accuracy or efficacy of the performer standing en pointe during the dance technique or dance performance.

A light-emitting system (1000) removably attachable to headgear is provided, which comprises: a form factor (1010) configured to surround a portion of the headgear when the light-emitting system (1000) is removably attached to the headgear for use; a plurality of halo lighting elements (1100) configured to selectively generate at least a partial halo of light that radiates outwardly away from the light-emitting system; and at least one task lighting element (1120) aligned in a direction along a task light axis (1130) that is fixed and oriented downwardly at an oblique angle (α) relative to a transverse plane (TP) of the light-emitting system (1000), the at least one task lighting element (1120) being configured to selectively generate flood task lighting in an area in front of a user.

An illuminations system placed on a rear cargo van door providing auxiliary lighting to improve safety. Light modules are attached to the rear cargo van doors so that when the doors are opened an amber warning light is illuminated along the edge of the open cargo van door pointing rearward. A task light preferably is incorporated in the light modules to provide downward task lighting. The lighting modules are attached adjacent edges of the rear cargo van doors without permanent modification to the cargo van.

An illumination device for illuminating a region monitored by at least one image sensor. The illumination device has at least one light source carrier with at least one light source arranged thereon. Furthermore, the illumination device has a control and interface unit and an adjusting unit, which can be actuated by the control and interface unit and with which the light source carrier is positionally adjustable.

A portable illumination device, including a main body, an illumination unit movably disposed on at least a portion of the main body to emit a beam of light and illuminate a surrounding area, at least one sensor disposed on at least a portion of the main body to turn on the illumination unit in response to detecting an external condition, and a surface fastener disposed on at least a portion of the main body to removably connect the main body to an external surface.

A warning light assembly and railway crossing including such an assembly are disclosed. An example warning light assembly includes a housing, an illumination device at least partially positioned within the housing, and a movement detection circuit positioned within the housing in a fixed position relative to the illumination device. The movement detection circuit can include a plurality of sensors of different types, and is configured to detect a change in position or orientation of the warning light assembly relative to an initial position, and, in response to detecting the change in position or orientation, generate an alert.

A LED Light device for house or stores or business application having built-in camera unit is powered by AC or-and DC power source for a lamp-holder, LED bulb, security light, flashlight, car torch light, garden, entrance door light or other indoor or outdoor LED light device connected to power source by (1) prongs or (2) male-base has conductive piece can be inserted into a female receiving-piece which connect with power source or (3) wired or AC-plug wires. The device has built-in camera-system has plurality functions to make different products and functions. The LED light device has at least one of (a) camera or DV (digital video) to take minimum MP4 or 4K image or photos, (b) digital data memory kits or cloud storage station, (c) wireless connection kits, Bluetooth or USB set for download function, (d) MCU or CPU or IC with circuit with desired motion sensor/moving detector(s)/other sensor, (e) camera-assembly for connecting Wi-Fi, Wi-Fi extend, or-and 3G/4G/5G network or even settle-lite channel, (f) system to transmit or-and receiving wireless signal, (g) APP or other platform incorporated with pre-programed or even AI (artificial intelligence) software has optional area-selections function to make screen-comparison or image comparison to operation pre-program or related device including but not limited to detect moving object(s), face recognition or personal identification or-and habit or-and crime comparison, purchase, (h) LED light source to offer sufficient brightness under dark environment for camera-assembly take color data, (i) other electric or mechanical parts & accessories, (j) has moving detector and software built-in to make comparison to judge the movement object of the preferred screen selected-areas; to get desired function(s) for the said LED light device. The said motion sensor/moving detector or other sensor unit has desired camera and Wi-Fi system and part or all of digital data related module or circuit(s) or backup power, and (k) camera-assembly may in separated housing incorporated with all kind of existing light source so people can upgrade the non-camera device to has built-in camera and digital device for their old non-camera security light.