A lighting apparatus comprising a light emitting diode (LED) arrangement encased in a blanket-like body is provided. The blanket-like body is constructed in a manner allowing for the lighting apparatus to be rolled up for ease of storage and transport.

Disclosed embodiments relate to a combination axial fan and LED lighting system configured to fit into the footprint of a standard ceiling tile. Disclosed embodiments further include ceiling tiles with a built-in fan and/or LED lighting. The disclosed systems may include a housing container and an axial fan. The fan has a fan cavity including air diversion mechanism to direct air from the fan cavity toward the lighting and fan components. The inventions include an airflow surface to direct air existing the fan cavity along an LED light fixture. Moreover, disclosed embodiments include one or more UV light sources which irradiate contaminants as air flows through the ceiling tile.

A lighting lamp includes a first lamp-assembly structure, at least one second lamp-assembly structure, and a control structure. The first lamp-assembly structure includes a first lamp body and a first lamp column used to scatter light generated by the first lamp body. A first end of the first lamp column is fixedly connected with a first end of the first lamp body. The second lamp-assembly structure includes a second lamp body, a first end of the second lamp body being connected to a second end of the first lamp column, and a second lamp column fixedly connected to a second end of the second lamp body and used to scatter the light generated by the second lamp body. The control structure is arranged in the first lamp body and/or the second lamp body, and is electrically connected with the first lamp body and the second lamp body.

A light-emitting module includes: first and second light-emitting devices each including semiconductor laser elements that emit laser beams with an interval in a slow axis direction of the laser beams; a first optical unit that includes one or more first reflective members provided with reflective surfaces on which laser beams are incident and that makes the interval of the laser beams smaller and emits the laser beams; a second optical unit that includes second reflective members provided with reflective surfaces on which laser beams are incident and that reflects, two times or more, laser beams emitted with an interval in a fast axis direction and emits the laser beams with a smaller interval and with a smaller width in the fast axis direction of the laser beams; and a condenser lens that gathers laser beams having traveled through the first optical unit and the second optical unit.

A sorting system including a plurality of sorter light boxes, a hub, and a controller. The plurality of sorter light boxes may each be configured to be mounted to a respective shelf, and may each configured to be coupled to another one of the sorter light boxes to create a chain of sorter light boxes. The hub may be configured to be coupled to a first sorter light box in the chain of sorter light boxes. The hub may also be configured to operate as a concentrator of control signals and power for the sorter light boxes. The controller may be configured to be coupled to the hub and may be configured generate control signals for the sorter light boxes.

A light-emitting module includes: first and second light-emitting devices each including semiconductor laser elements that emit laser beams with an interval in a slow axis direction of the laser beams; a first optical unit that includes one or more first reflective members provided with reflective surfaces on which laser beams are incident and that makes the interval of the laser beams smaller and emits the laser beams; a second optical unit that includes second reflective members provided with reflective surfaces on which laser beams are incident and that reflects, two times or more, laser beams emitted with an interval in a fast axis direction and emits the laser beams with a smaller interval and with a smaller width in the fast axis direction of the laser beams; and a condenser lens that gathers laser beams having traveled through the first optical unit and the second optical unit.

A lighting system includes a projection surface and a lighting device that projects a projection pattern on the projection surface and includes a light source emitting coherent light and a diffractive optical element diffracting the coherent light to form the projection pattern and including fundamental pieces of diffractive optical element two-dimensionally arranged in a direction parallel to the projection surface. A fundamental period of spatial resolution r (on the projection surface and determined from a specified spatial resolution of the projection pattern at an intersection position of a perpendicular line drawn from a center of certain one of the fundamental pieces of diffractive optical element with respect to the projection surface), an angle ? (a half of an angle projecting the fundamental piece of diffractive optical element at the position), and a wavelength ? of light in the projection pattern projected at the position) satisfy sin ?>?/(6r).

A lighting system includes a projection surface and a lighting device that projects a projection pattern on the projection surface and includes a light source emitting coherent light and a diffractive optical element diffracting the coherent light to form the projection pattern and including fundamental pieces of diffractive optical element two-dimensionally arranged in a direction parallel to the projection surface. A fundamental period of spatial resolution r (on the projection surface and determined from a specified spatial resolution of the projection pattern at an intersection position of a perpendicular line drawn from a center of certain one of the fundamental pieces of diffractive optical element with respect to the projection surface), an angle ? (a half of an angle projecting the fundamental piece of diffractive optical element at the position), and a wavelength ? of light in the projection pattern projected at the position) satisfy

sin?>?/(6r).

A convenient and easy-to-use LED luminaire capable of adjusting the illumination angle of a light source in a combined manner is provided. The luminaire includes a cover, an upper shell, a lens, a PCB, a battery holder, an iron sheet, a lower shell, a base shell, a magnet, a base cover plate, a detection module, and a control platform. Through the combination of multiple groups of lights and multiple groups of lenses at different angles, the illumination angle of the luminaire can be conveniently changed to concentrate light on a specific area. The control platform adopting a cloud platform remotely controls the luminaire. A brightness adjustment system adopts a brightness estimation model to automatically adjust the brightness of the luminaire. A voice conversion submodule adopts a language model to extract command voice of a user into instruction information.

A novel pool light comprises a power supply device, a lighting device, and a power cable mounted between the power supply device and the lighting device. The lighting device comprises a light fixture and a cable winding mechanism for winding the power cable. The cable winding mechanism comprises a rotating member having one side fixedly connected to the light fixture and a base plate rotatably connected to the other side of the rotating member, and a recess between the periphery of the rotating member and the periphery of the base plate forms a cable trough allowing the power cable to be wound therein.