A connecting element for connecting at least two rails adapted for mounting semiconductor light sources. The connecting element has a bottom wall and two side walls emerging from the bottom wall on opposite sides. The walls form a U-shaped profile. The connecting element is configured for accommodating at least one rail adapted for mounting semiconductor light sources in an accommodating area delimited by the bottom wall and the side walls, and the connecting element has latching elements arranged with a regular longitudinal pattern on at least one wall for latching with the accommodated rail.

Systems and methods for illuminating and tracking a work area is provided. Systems can include at least one lamp to couple to an object, the at least one lamp to illuminate the work area, and a height module, the height module in communication with the at least one lamp to provide an indication of a height of the work area. Methods can include the steps of determining a height data of the movable portion of the vehicle to be illuminated; communicating the determined height data of the movable portion to a stationary lamp, the lamp including a microprocessor and plurality of light sources, each light source controllable to illuminate an area at a predetermined height; and illuminating at least one of the plurality of light sources to correspond to the determined height data to illuminate the movable portion.

Light control films, and lighting devices including the same, are disclosed. The light control films include a single layer of light transmitting material having a first side and a second side. A plurality of first microstructures are formed in the first side. The first microstructures are configured to receive incident light from a light source and produce an off axis (e.g. batwing) light distribution in a field downstream of the second side of the light control film. In some embodiments, a plurality of second microstructures is formed on the second side of the light control films and are configured to reduce the glare produced by light emitted from the light source passing through the film.

A method for manufacturing a linear lighting device (100), the method comprising the steps of providing (S1) a sheet of optically transmissive material (102), a sheet of thermally conductive material (104), and a plurality of light sources (106), arranging (S2) the light sources on the sheet of thermally conductive material, roll forming (S3) the sheet of thermally conductive material into a supporting heat spreader profile, roll forming (S4) the sheet of optically transmissive material into a first shape to cover the light sources and define an optical chamber, attaching (S5) end portions of the sheet of optically. The method enables the use of a lower amount of material and provides an efficient method for mass manufacturing linear lighting devices.

A lighting assembly (100), a lamp, a luminaire, a manufacturing method and a manufacturing control program are provided. The lighting assembly comprises a light source (110) and an optical element (120). The light source comprises a solid state light emitter (112) and a luminescent element (114). The solid state light emitter is arranged to emit light of a first color into the luminescent element. The luminescent element comprises a light emission window (115) through which the light is emitted. The optical element is arranged for reducing a color over angle variation of the light emitted by the light emission window of the luminescent element. The optical element comprises a light input face, a light output face and at a plurality of locations a light transmitting wall (122) extending from the light input face to the light output face.

A multi-beam solid-state luminaire including a plurality of solid-state lamps and a plurality of beam forming optics including a first group of beam forming optics and a second group of beam forming optics. In some embodiments, the beam forming optics may be arranged in a pattern having a center, and one or more center beam forming optics of the first group may be positioned at the center of the pattern. In some embodiments, luminaire may include a first beamwidth lens positioned over the first group of beam forming optics and a second beamwidth lens positioned over the second group of beam forming optics. The beamwidth lenses may emit light from the solid-state lamps having different respective beamwidths. The luminaire may provide a decorative flame-like pattern on a target surface.

A display apparatus includes a display panel and a backlight for the display panel. The backlight has a reflector with a plurality of regularly shaped, reflectively embodied cavities which are arranged in a grid. The reflector also has irregularly shaped, reflectively embodied cavities in at least one peripheral region. In addition, the backlight has a plurality of light sources arranged in the cavities.

The invention provides a light generating system (1000), configured to generate system light (1001), wherein the light generating system (1000) comprises a light source (10), a first luminescent material (210), and a control system (300), wherein: the light source (10) is configured to generate light source light (11) having a tunable spectral power distribution within a first wavelength range (.sub.x1); wherein the light source (10) comprises a superluminescent diode; the first luminescent material (210) is configured to convert at least part of the light source light (11) into first luminescent material light (211) having one or more wavelengths in a first luminescent material light wavelength range (.sub.m1); the first luminescent material (210) is configured such that in an operational mode the system light (1001) comprises the first luminescent material light (211); a spectral power distribution of the system light (1001) is controllable in dependence of the spectral power distribution of the light source light (11); and the control system (300) is configured to control the spectral power distribution of the light source light (11).