Abstract: A luminaire includes a housing (102) with an inner cavity a light source (122) mounted to an inner top surface of the housing. The luminaire also includes a door frame (104), wherein the door frame includes a first side rail (108), a second side rail (109), a third side rail (107), and a fourth side rail (110). The four side rails of the door frame define a light emitting opening for the luminaire. A film stack (116) is supported by the door frame and placed in the light emitting opening so that light from the light source passes through the film stack as it is emitted through the light emitting opening. The film stack (116) includes a diffuser film (129) and a photopolymer film (127). The photopolymer film (127) is embossed with optical structures that create a holographic pattern that appears to be three-dimensional.

Abstract: Provided is a light fixture retrofit kit comprising: a) a body with a first LED light source of a first color and a second LED light source of a second color; b) a switch for controlling one or more of wattage of the light sources and the color; c) a bracket for attaching the body to a pre-existing housing resting on a T-bar; wherein the fixture is placed in the pre-existing housing and pivotally attached to the T-bar with the bracket, wherein the user selects to power the first light source only, the second light source only, or both the first and the second light source to produce a blended color that is different than the first and the second color, and selects to power the light sources with different levels of power (watts).

Abstract: The invention provides a lighting device (1000) comprising (i) a light source (100) configured to generate light source light (101), wherein the light source (100) comprises a solid state light source, and (ii) a support (200) configured to support the light source (100), wherein the support (200) comprises a metal based thermally conductive material (201), wherein the lighting device (1000) further comprises (iii) a layered element (300), configured in physical contact with the support (200), wherein the layered element (300) comprises one or more layers (310), wherein the layered element (300) at least comprises an electrically insulating first layer (311), wherein at least part of the layered element (300) is configured between the light source (100) and the support (200) such that during operation part of the light source light (101) irradiates the layered element (300), wherein the layered element (300) comprises light reflective particles (410), wherein at least 50 wt.

Abstract: The invention provides a vapor chamber element (1000), wherein the vapor chamber element (1000) comprises a first plate (110) and a second plate (120) with a chamber (100) in between, wherein the chamber (100) has a first height (H1), wherein the vapor chamber element (1000) further comprises bridging elements (150) bridging at least part of the first height (H1), wherein the vapor chamber element (1000) comprises a plurality of sections (130) configured along a first axis (A), wherein the plurality of sections (130) comprises (i) a bending section (131) having a first volume fraction V1 of bridging elements (150), and (ii) a basic section (133) having a second volume fraction V2 of bridging elements (150), wherein 2?V1/V2.

Abstract: A grip is suitable for sporting or recreational equipment having bars that intersect to form nodes. Fasteners, such as a bolt, washer and nut, can secure the bars together at each respective node. Each grip can include a grip body secured to respective ones of the nodes. Each grip body can have a hole through which a respective bolt extends, and a light assembly recess. A light assembly can be mounted in the respective light assembly recess of the grip body, and the light assembly can illuminate the grip.

Abstract: A mounting bracket for flush mounting a lighting device is provided. The mounting bracket comprises: a first planar member and a second planar member, at least one of the first and second planar members having a center, and one or two transverse members disposed at opposite ends of at least one of the first and second planar members, wherein at least one of the first and second planar members includes two adjacent openings and a receiving member offset from the center of the at least one of the first and second planar members, the receiving member being positioned intermediate the two openings.

Abstract: A backlight module and a display device are disclosed. The backlight module includes a light board, and multiple light-emitting elements arranged at intervals on the light board. The backlight module further includes a diffusion plate arranged corresponding to the position of the light board and on the side of a light emitting surface of the light board. The diffusion plate includes: multiple blocking walls arranged at intervals on the side of the planar portion adjacent to the light board; and a planar portion arranged parallel to the light board. The blocking walls are perpendicular to the planar portion, and each blocking wall is arranged corresponding to the gap between two adjacent light-emitting elements. The height of the blocking wall is equal to the distance between the diffusion plate and the light board, and the lower part of the blocking wall adjacent to the light board is opaque.

Abstract: An embodiment includes eyewear having an optical element, electronic components, a support structure configured to support the optical element and the electronic components, and light emitting diodes (LEDs) coupled to the electronic components and supported by the support structure. The LEDs are positioned to illuminate the support structure according to a lighting scheme.

Abstract: A dynamic light source for a display is disclosed. The dynamic light source comprises a first light source located inside a first device; and a second light source. The first device is configured to allow light from the first light source to exit the first device in a first cone of angles and to reflect light incident outside the cone of angles back towards the first light source. The first device is configured such that injected light from the second light source is reflected by the first light source in a second cone of angles substantially coincident with the first cone of angles and that light output by the first device from the second light source is attenuated more than light output by the first light source, and an amount of attenuation is based on an intended dynamic power range of the dynamic light source.

Abstract: Pedestrian crossing zones at an intersection are often poorly illuminated. Lighting systems typically only partially illuminate the pedestrian crossing zone or provide only diffuse light. Herein is disclosed a crossing zone illumination system and method of operation, comprising a controller and an array of at least two lights coupled to a span wire above each pedestrian crossing zone.

Abstract: A light emitting diode (LED) flat panel lighting fixture is provided. The LED flat panel lighting fixture comprises an LED flat panel lighting device comprising (a) one or more LEDs and (b) one or more first mating mechanisms. The LED flat panel lighting fixture further comprises a mounting bracket comprising one or more second mating mechanisms configured to each mate with a corresponding one of the one or more first mating mechanisms when the LED flat panel lighting device is rotated within the mounting bracket and with respect to the mounting bracket. The rotation of the LED flat panel lighting device within a plane of the mounting bracket and with respect to the mounting bracket causes the mating of the one or more second mating mechanisms with the corresponding ones of the one or more first mating mechanisms.

Abstract: A thermal management system for led luminaires that, in certain embodiments, includes a heat sink, a heat-dissipating pipe, a base plate, a variable speed air-cooling element, an air-directing structure, a temperature measuring element, and a driver that includes at least one of thermal sensing response logic, light-emitting dimming control logic, fan speed control logic and air-cooling element malfunction detection logic. In some instances, the heat sink includes a plurality of fins coupled to a base plate. In some instances, one or more heat-dissipating pipes extend partially inserted along the length of the base plate and outwardly away from an end of the base plate. In some embodiments, an LED PCB assembly is coupled to the base plate. In some embodiments, fan speed variability, LED dimming, or both are engaged in combination with heat transfer and dissipation associated with the heat sink and the one or more heat-dissipating pipes.

Abstract: A safety-monitoring garment system is used to thoroughly monitor the health and performance of a user. The system includes a garment, at least one health-monitoring sensor, at least one performance-tracking sensor, a microcontroller, a user controller, and a portable power source. The garment is preferably a jacket for the user. The at least one health-monitoring sensor continuously monitors the vitals of the user, and the at least one performance-tracking sensor monitors the performance status of the user. The microcontroller stores, analyzes, and delivers the data from the at least one health-monitoring sensor and the at least one performance-tracking sensor to an external computing device. The user controller manages the at least one health-monitoring sensor and the at least one performance-tracking sensor. The portable power source provides the necessary power for the at least one health-monitoring sensor, the at least one performance-tracking sensor, the microcontroller, and the user controller.

Abstract: The invention relates to the technical field of lighting, more particularly to a LED street light that includes a main body and a support arm connected to the main body. A female joint is provided at one end of the support arm close to the main body. A male joint is provided at one end of the main body close to the support arm. When installing the LED street light, the male joint and the female joint are mutually inserted to supply power to the main body, without arranging the circuits in the LED street light before installation, which greatly simplifies the installation process and reduces the installation time and the installation difficulty. In addition, due to the reduction of the installation time and installation difficulty, the safety hazards caused by the installation of the LED street lights can also be prevented, and safety is thus improved.

Abstract: A lighting fixture appears as a skylight and is referred to as a skylight fixture. First and second light engines of the fixture provide different color points, peak light intensity angles, far-field light distribution characteristics, and/or circadian stimulus values. A skylight fixture may include a sky-resembling assembly and a plurality of sun-resembling assemblies, with dedicated optical assemblies and/or light sources. A lighting fixture may include multiple waveguides that different extraction feature patterns and/or may be sequentially arranged.

Abstract: A helmet includes a lighting system integrated into the helmet. The helmet includes a first layer and a second layer. The helmet includes a plurality of light emitting devices between the first layer and the second layer. A controller is configured to control the light emitting devices. A power source is configured to power the light emitting devices and the controller. The light emitting devices are operably connected to the controller and the power source. In some configurations, a lighting system can be contained in a shell that that can be attached to an existing helmet. In some configurations, a lighting system is contained in a flexible material that can be fitted onto an existing helmet.

Abstract: Electrical devices with lights having onboard secondary power supplies are configured with synchronizable zone-based operation and/or color selectable modes. The electrical devices can be power receptacles and can be connected to a line input of a power circuit of a power grid and can also have the onboard secondary (emergency power) power supplies. The devices are configured so that respective lights can automatically illuminate upon motion detection in a zone and/or upon a disruption to the power circuit or to a powered state of a particular electrical device. The devices can be configured to allow a user to select different color or color temperatures using a color selection circuit.

Abstract: An illuminated walking assistance apparatus is disclosed. In at least one embodiment, the apparatus provides an elongated staff having a ground-engaging tip portion at a first end and a handle at an opposing second end. The staff provides a light pipe positioned proximal the tip portion and having a light-emitting member disposed therein to selectively illuminate the ground proximal the tip portion. The staff further provides a red nightlight which is always on so as to facilitate locating the apparatus in a dark environment.

Abstract: The light fixture connects a separable cage to a that may directly mount to the wall of a structure or which may mount to the structure through a wall plate. The cage has a frame with a roof and an open rear side that receives the backplate. A lighting assembly is connected to the front face of the backplate and is thereby housed within the interior of the cage when the unit is assembled and which can be accessed when the cage is removed. To removably attach the cage to the backplate, an aperture is provided within a ledge in the backplate that receives a tab to suspend the cage from the backplate fixedly connected to the supporting structure. Thus, the lighting assembly can be accessed by separating the cage from the backplate.

Abstract: A marine vessel includes a vessel body including a navigation light, an imager provided in a vicinity of or adjacent to the navigation light, and a light shield provided between the navigation light and the imager so as to block light from the navigation light to the imager.