The present disclosure provides a safety light. The safety light includes a top housing; a printed circuit board assembly coupled to the top housing, the printed circuit board assembly having a top surface and a bottom surface; a plurality of light elements coupled to the bottom surface of the printed circuit board assembly, the printed circuit board assembly programmed to energize the plurality of light elements following depression of a first control button; a lens coupled to the bottom surface of the printed circuit board assembly and the plurality of light elements, the lens having a first angled reflective surface and a plurality of side surfaces; and a bottom housing coupled to the lens.

An indoor visible light positioning method and system based on a single LED lamp. The system includes an LED communication module and a smartphone module. The LED communication module sends its coordinates and shape data to the smartphone module. The smartphone module includes an inertial measurement unit (IMU) and a camera. The IMU is configured to obtain movement data of a smartphone. The camera is configured to shoot video streams of the LED lamp. Computing processing is performed on center point coordinates of the LED lamp and IMU data in the video streams, and constraints are provided by using a homography matrix of ellipses in the video streams, to obtain accurate location information of the smartphone, and provide location-based services such as navigation and query for a user.

An exemplary lantern comprising a breakaway handle mechanism that allows the handle of the lantern to break away from the body of the lantern. An exemplary lantern may comprise a ratcheting mechanism that allows the handle to rotate relative to the body of the lantern, thereby allowing the lantern to be arranged on the ground in a variety of different positions. An exemplary lantern may comprise a reflector that is specifically designed to increase the far beam throw of light relative to conventionally known lanterns.

Various embodiments of electronic flares are described which generally comprise a light module that is disposed along a portion of a housing and includes at least one light source for emitting light according to a lighting mode, a power source for providing power to the light module, a circuit board that is disposed within the housing and is electrically coupled to the power source and light module, the circuit board including a controller for providing power to the light module according to the selected lighting mode when the electronic flare is activated; and a switch having an external switch portion and an internal switch portion coupled to one another, the external switch portion being disposed along an outer portion of the housing and the internal switch portion being operatively coupled to the circuit board, the external switch portion being rotatably movable by a user to one or more positions where each position is associated with a different lighting mode allowing the user to select the lighting mode.

A special effects system includes a retroreflective target, an object comprising one or more light sources disposed on an end of the object, where the end of the object is spatially oriented to face the retroreflective target such that light from the one or more light sources is emitted onto the retroreflective target, and a controller communicatively coupled to the one or more sensors and the one or more light sources, wherein the controller comprises a processor configured to adjust the light from the light source based in part on the on the one or more signals output by the one or more sensors, wherein the signals are indicative of a position of the object, or a condition of the one or more light sources.

The present disclosure relates to a method and a device for mobile illumination, and a storage medium, which pertains to the technical field of intelligent hardware. The method includes: performing a lighting process through a device for mobile illumination; during the lighting process, acquiring environmental information of a target area to be traveled, the environmental information including at least one of the followings: a number of reflected test signals of a designated number of test signals emitted to the target area, image data of the target area, and map data of the target area, and the target area being any area in front of the device for mobile illumination; and determining whether the target area is unsafe to travel according to the environmental information.

Aspects of the instant disclosure relate to electronic cigarettes. More particularly, to electronic cigarettes including a circumferential light guide that distributes light transmitted by a light source, and controller circuitry that variably illuminates the circumferential light guide of the electronic cigarette based on a user's draw strength.

A light includes a housing including a front face, a first face, a second face, and a first surface arranged adjacent the first face. A lens is coupled to the front face. A light source is covered by the lens. A power source is configured to provide power to the light source. The first face is angled at a first oblique angle with respect to the front face, the second face is angled at a second oblique angle with respect to the front face, and the first surface is angled at a third oblique angle with respect to the front face. The first face, the second face, and the first surface each define a surface configured to support the light. The first face includes two legs spaced from one another and extending away from the first surface.

The present disclosure relates to a backlight module and a display device. The backlight module includes a connection portion to be connected to a middle casing of a display device or a side frame of a display device, and the connection portion is located on a side of the backlight module adjacent to the middle casing of the display device.

The present disclosure provides a safety light. The safety light includes a top housing; a printed circuit board assembly coupled to the top housing, the printed circuit board assembly having a top surface and a bottom surface; a plurality of light elements coupled to the bottom surface of the printed circuit board assembly, the printed circuit board assembly programmed to energize the plurality of light elements following depression of a first control button; a lens coupled to the bottom surface of the printed circuit board assembly and the plurality of light elements, the lens having a first angled reflective surface and a plurality of side surfaces; and a bottom housing coupled to the lens.