The disclosure relates to a field of flexible low-voltage rail lighting system. It is provided with the mounting shell and flat conductor. The mounting shell is provided with the flat conductor inside and the lighting mechanism is installed between the mounting shell and the flat conductor. The lighting mechanism comprises the first lateral plate, second lateral plate, support layer and lamp film. Wherein, the first lateral plate and the second lateral plate are fixed on one end of mounting shell, respectively, there is a supporting layer fixed on both ends inside, and its bottom is fixed with lamp chips. The lamp piece is connected with the flat conductor, the lighting fixture could be mounted at any position on the flat conductor and the flat conductor is fixed more firmly on the mounting shell to prevent it from falling.

An illumination system has a controller stack that includes multiple power conversion and LED driver assemblies and a pole-mounted backplane that provides power and communication connections. The pole-mounted backplane further acts as a heat-sink and efficiently transmits excess heat to the pole on which the controller stack is mounted. The controller stack and its components include weathertight housings and connectors for outdoor applications, and it includes a master, which monitors the system operation and can switch to a backup LED driver based upon its monitoring of system operation.

A light emitting device (1) comprising at least one light source (2) adapted for, in operation, emitting light (7, 9), at least one free-shape refractive lens element (3) configured to aim light (7) emitted by the at least one light source (2) in a first direction towards a surface (22) to be illuminated by the light emitting device (1), the lens element (3) comprising a first end (11) adapted for facing in a direction towards the surface (22) and a second end (20) adapted for facing in a direction away from the surface (22), at least one first TIR element (4), the first TIR element (4) being a collimating TIR element configured to collimate and redirect light (9) emitted from the at least one light source (2) in a second direction away from the surface (22) into light (9) propagating parallel and in a downward direction, the first TIR element (4) comprising a light incoupling surface (19) and a light outcoupling surface (13), the light incoupling surface (19) being arranged at the second end (20) of the lens element (3), and at least one second TIR element (5) configured to redirect light (9) redirected by the first TIR element (4) into light (9) propagating in a direction towards the surface (22) and comprising an intensity distribution with two intensity peaks at wide angles that are aligned with the intensity peaks of light (7) aimed by the lens element (3), the at least one second TIR element (5) being arranged at the light outcoupling surface (13) of the first TIR element (4).

A backlight module and a display device are provided. The backlight module includes a light source structure and at least one optical film. The optical film is disposed above the light source structure. The optical film includes a main body and plural optical structures. The optical structures are disposed on the main body. Each of the optical structures is a tapered structure. Each of the optical structures has plural side surfaces, and a portion of light emitted from the light source structure is guided toward plural primary directions when passing through the side surfaces of the optical structures, and therefore the light emitted from the light source is no longer concentrated on the top of each of the optical structures.

A LED lighting device includes a seat having a baseplate and a sidewall, the sidewall forming a chamber with the baseplate. A light source disposed in the chamber and attached to a surface of the baseplate. An electric power source is disposed in the chamber and electrically connected to the light source and an optical assembly is disposed on the light source. The optical assembly includes an optical unit and an installing unit, the installing unit is connected to a periphery of the optical unit. The optical unit includes a plurality of first optical members and a plurality of second optical members, and the second optical members are interposed between two adjacent first optical members. The installing unit includes a wall portion surrounding the sidewall, and the wall portion includes a bending portion abutting against an end of the sidewall.

A method of manufacturing a planar light source includes: providing a wiring substrate including: an insulating layer defining a first through-hole and a second through-hole that are separated from each other, and a first wiring layer and a second wiring layer that are disposed below the insulating layer, wherein the first wiring layer is separated from the first through-hole and the second wiring layer is separated from the second through-hole, and wherein, in a top plan view, the first wiring layer and the second wiring layer are arranged at two opposite sides with respect to the first through-hole and the second through-hole; disposing a light guide member and a light source above the wiring substrate; and forming (i) a first wiring member that fills the first through-hole, and (ii) a second wiring member that is separated from the first wiring member and fills the second through-hole.

A light body connecting structure, a light group, and an assembling method of the light group are provided. The light body connecting structure includes a wiring terminal electrically connected with a light body and a wire. The wiring terminal includes a terminal body and a plug assembly. The terminal body is matched with any opening of a lampshade. The plug assembly is connected with a first end of the terminal body. One end of the wire passes through a second end of the terminal body and is electrically connected with the plug assembly. The plug assembly is connected with the terminal body, so that the plug assembly is connectable to lampshades of different sizes, and the light body connecting structure is adapted and mounted with a light body in any of the lampshades, which is versatile and reduces production cost.

A stand light including a telescoping body defining a central longitudinal axis and including a main center shaft, an extension pole extendable out of the main center shaft, and a sleeve movably supported on the main center shaft. The stand light further includes a head assembly supported by the extension pole. The head assembly includes a light head, a support arm coupled to the light head, and a light source supported on a face of the light head. A plurality of legs are pivotally coupled to the body and movable with the sleeve. The light head is rotatable relative to the support arm about a first axis that is perpendicular to the central longitudinal axis. The light head is rotatable to a first position where the light source is directed toward the extension pole, and to a second position where the light source is directed away from the extension pole.

An illumination unit according to the present disclosure includes a plurality of first light-emission blocks, a plurality of second light-emission blocks, and a light-emission controller. The first light-emission blocks each include a plurality of first light-emitting devices arranged in a first direction. The second light-emission blocks are partially overlapped with the respective first light-emission blocks, and each include a plurality of second light-emitting devices arranged in a second direction different from the first direction. The light-emission controller performs light-emission control of the first light-emitting devices for each of the first light-emission blocks, and performs the light-emission control of the second light-emitting devices for each of the second light-emission blocks.

An LED filament device is provided with a LED filament that has a plurality of sources of light. The sources of light are configured in an k*1 array with k=2 columns, and the array has a first set of at least 20 sources of light distributed over the columns. In a first column of the first set at least 90% of the total number of sources of light are selected from the group of (i) first sources of light and fifth sources of light. In a second column of the first set at least 80% of the total number of sources of light are selected from the group of second sources of light, third sources of light and fourth sources of light.