A luminaire (1) comprising identical curved LED Modules (13, 13′, 13″) in an inner and an outer arrangement of LED Modules. Said LED Module comprising a curved PCB (14) having a main surface and a number of LEDs (15) arranged thereon. The LED Module has width W and is curved with its main surface extending in a plane Q. The LED Module extends over a circle with a radius Rc, wherein 200 mm<=Rc<=450 mm, and extends over an angle a over said circle, wherein 36°<=a<=72°. The number of LEDs is in between 3 and 150. Each LED (15) has a respective doughnut like shaped lens to render the LED during operation to emit a rotational symmetric batwing beam with a maximum intensity Imax of the batwing beam at an angle 13 with 60°<=13<=80° with said optical axis, and a FWHM in the range of 15-30°.

A lighting module includes a heat sink with a sidewall and a partition defining two cavities, a LED light source disposed in one cavity to emit light, a driver module disposed in the other cavity with driver circuitry to provide electrical power to the light source, and an optical assembly to provide a desired emission profile. The optical assembly is field-changeable and includes a cover lens with snap-fit connectors to facilitate removal and replacement. The optical assembly further includes either a reflector coupled to the cover lens or an optical lens coupled to the heat sink via an optic holder. In some examples, the driver circuitry facilitates dimming of the light source. The heat sink also dissipates heat generated by the light source and the driver circuitry to maintain desired operating temperatures and thereby facilitate increased light output.

A compact conditioning system for controlling a volume, comprises: (a) at least one light source, said light source being coupled with a replaceable focusing lens; (b) at least one fan; (c) at least one temperature sensor; (d) control circuitry adapted to receive inputs from said sensor(s) and/or from a user, and to operate said light source(s) and/or said fan(s) as a result thereof; and (e) a housing suitable to house said light source, fan and control circuitry and adapted to be positioned at the top of a structural element defining a closed space.

A lamp, a lamp system, a method for assembling lamp system, and a method for disassembling lamp system are described. The lamp includes a frame, a light guide plate, at least one light source and a connecting mechanism. The frame includes two side covers opposite to each other, and an accommodating space is formed between the side covers. The light guide plate is disposed in the accommodating space. The light source is disposed in at least one of the side covers and is disposed adjacent to a light incident surface of the light guide plate. The connecting mechanism is disposed in the frame. The connecting mechanism includes an engaging member and an adjusting member. The engaging member is slidably disposed in an inner space of one of the side covers.

A device and system for a light stick sleeve comprising a hollow tube; an open end; a closed end; a wrist strap cut out; a hole cut out; a switch hole cut out; a knock-out for each of a hole cut out and a switch hole cut out; a wrist strap cut out. A user may customize and re-use a light stick sleeve to give a personalized experience. A user of a device and system for a light stick sleeve would decorate and customize a light stick sleeve, select a K-pop light stick, insert a K-pop light stick into a light stick sleeve, and use a customized K-pop light stick.

An optical projection device for projecting a linear image is disclosed. Light emitted by an array of light emitting diodes arranged along an array axis is focused in at least a direction perpendicular to the array axis and diffused in a direction parallel to the array axis, thereby generating a linear image in which light from adjacent light emitting diodes is spatially overlapped. In some embodiments, the focusing and diffusion of the light is performed by a Fresnel lens and a lenticular lens, respectively. The optical projection device may be employed to virtually mark a surface, such as a floor in an industrial setting. High power light emitting diodes may be employed to generate a linear image having an illuminance of at least 4000 lux that is focused to a distance between 7.5 and 20 feet.

The present patent discloses a multifunctional lamp, which comprises a base, a luminous body detachably connected with the base, and a supporting device and a protective cover respectively matched and connected with the base; the base is provided with a socket and a plug; a latch member is arranged between the base and the protective cover; through the latch member, the base and the protective cover can be quickly disassembled and assembled. The lamp of the present patent integrates the functions of a working lamp and a linear lamp, and has various functions; the connection between the base and the protective cover adopts a cylindrical latch structure, it is easy to disassemble and assemble, and is easy to operate.

A lid to be connected to a housing of a status display for a sensor, with a basic body comprising a covering surface and at least one side wall, wherein the basic body has at least one light-transmissive light emitting region to facilitate an illumination of desired areas of the lid that is homogeneous and space-saving, with a first reflector unit and a second reflector unit arranged opposite each other, and wherein an opening for arranging a lighting means is formed in the second reflector unit, wherein the light emitted by the lighting means is reflected to the at least one light emitting region by means of the first reflector unit and the second reflector unit.

A modular lighting assembly uses LED banks as the light sources. The assembly allows the power supply and LED banks to be independently replaced. The assembly uses a power supply that is separated from the LED banks and electrically connected to the LED banks with a plug connector that may be unplugged and plugged back in to allow the power supply or LED bank to be independently and readily replaced. The assembly provides for easy replacement of the different components of the assembly. One feature that makes the components easier to replace is that the light modules and/or the power supply may be carried by the housing that is removable from the base mount that is secured to a mounting structure such as a wall or ceiling.

The disclosure relates to modular LED imaging projector and optical systems and apparatuses. A light-emitting diode (LED) engine module emits a light beam that is homogenized and focused through a predetermined focal point. The LED engine module is detachably attached to a posterior connection point of a base body assembly. A collimating lens within the base body assembly refocuses the light beam to reduce divergence.