Abstract: A device for mounting lighting sources on a substrate includes a channel-like mounting frame provided with fixing formations for fixing on said substrate, said mounting frame defining a cavity for receiving said lighting source with said lighting source resting on said substrate, a slider member which can be positioned in said cavity of said mounting frame to urge said lighting source toward said substrate; said slider member being slidable with respect to said mounting frame between an insertion position and a locking position, wherein said mounting frame and said slider member bear complementary engagement formations cooperating in a ramp-like manner to force said slider member and the lighting source urged thereby toward said substrate when said slider member is advanced from said insertion position toward said locking position.

Abstract: A lighting device may include a channel-shaped housing having two ends with a main axis of the housing extending between the ends, a pair of mounting fixtures for a pair of light radiation sources within the housing with the light radiation sources radiating light radiation in opposite directions along the main axis, and a pair of reflectors each facing a respective one of the mounting fixtures to receive light radiation along the main axis and reflect it to the outside of the housing.

Abstract: In various embodiments, lighting sources including at least one operating parameter, which is controllable in at least one lighting sequence as a function of a time code data set coupled with the sequence, are controlled by providing a repository of operating data files for the sources coupled with the lighting sources with each data file including at least one time code data set for at least one lighting sequence for a respective one of the lighting sources, by retrieving in the data repository at least one operating data file coupled with a selected one of the lighting sources, and by operating the selected lighting source by controlling the at least one operating parameter as a function of the operating data included in the operating data file retrieved.

Abstract: A lighting device, such as for example a LED flexible module, includes an elongated profiled body having a mouth portion, a first and a second lateral sides arranged sidewise of the mouth portion and a web side opposed the mouth portion. The profiled body includes a light-permeable portion, extending between the mouth portion and the first lateral side, and a light-impermeable portion extending between the second lateral side and the web side. A light radiation source assembly including a support member with one or more electrically powered light radiation sources is arranged at the mouth portion with the light radiation source(s) facing the light-permeable portion, whereby light radiation is directed towards the first lateral side for emission from the lighting device.

Abstract: A lighting device may include a channel-shaped elongated profiled body including a light permeable material and having a mouth portion, and a light radiation source assembly arranged at the mouth portion and including a support board having one or more electrically powered light radiation sources, e.g. LED light radiation sources, thereon facing profiled body. Mouth portion of profiled body includes shoulder formations arranged sidewise of said mouth portion, with support board abutting against said shoulder formations.

Abstract: A lighting device comprises a housing carrying a linear array of light radiation sources and one or more elongated diffusive screens arranged facing the array of light sources so as to be passed through by the light radiation. The screen or screens have a pattern of geometric features for producing a radiation pattern of the light radiation emitted by the lighting device as a result of passing through the diffusive screen or screens. By replacing the diffusive screen or screens with screens which have a different pattern of geometric features it is possible to vary the radiation pattern of the light radiation emitted by the lighting device.

Abstract: Various embodiments may relate to a lighting device, e.g. for greenhouse lighting, including a substrate with an array of electrically-powered light radiation sources, e.g. power LEDs. The sources of array are arranged in a first set and in a second set to emit a blue radiation and a red radiation, respectively.

Abstract: In various embodiments, a lighting device is provided. The lighting device includes a channel-shaped elongate profiled body having a central or web portion and two side portions sidewise of the web portion, a profiled body having mutually opposed undercuts opening inwardly of the channel shape of profiled body, and a light radiation source assembly including an elongate support board carrying one or more light radiation sources, e.g. LED sources, the support board having longitudinal sides extending into the said undercuts, wherein the light radiation source assembly is retained by the channel-shaped profiled body.

Abstract: A lighting device includes an elongated profiled body including at least one light permeable material, e.g. a polymeric material, having a mouth portion where an e.g. white light radiation source assembly is arranged which includes one or more electrically powered light radiation sources facing the profiled body. The light radiation emitted by the light radiation source assembly propagates through the light permeable material of the profiled body. The material of the profiled body includes pigments and is at least in part light diffusive, whereby, by propagating through profiled body, the light radiation becomes a coloured light radiation of a colour determined by the pigments and with a homogeneous near field distribution.

Abstract: A modular lighting device may include an elongated support member with electrically powered light radiation sources. The support member includes at least one electrically conductive layer with a covering layer applied thereon, wherein said covering layer exhibits discontinuities forming a marker array for cutting to length modular lighting device.

Abstract: A lighting device may include a channel-shaped elongated profiled body including a light permeable material and having a mouth portion, and a light radiation source assembly arranged at the mouth portion and including a support board having one or more electrically powered light radiation sources, e.g. LED light radiation sources, thereon facing profiled body. Mouth portion of profiled body includes shoulder formations arranged sidewise of said mouth portion, with support board abutting against said shoulder formations.

Abstract: A lighting device, such as for example a LED flexible module, includes an elongated profiled body having a mouth portion, a first and a second lateral sides arranged sidewise of the mouth portion and a web side opposed the mouth portion. The profiled body includes a light-permeable portion, extending between the mouth portion and the first lateral side, and a light-impermeable portion extending between the second lateral side and the web side. A light radiation source assembly including a support member with one or more electrically powered light radiation sources is arranged at the mouth portion with the light radiation source(s) facing the light-permeable portion, whereby light radiation is directed towards the first lateral side for emission from the lighting device.

Abstract: A method of placing on a mounting substrate light radiation sources arranged in successive sequences wherein each sequence includes light radiation sources from different bins having respective light emission characteristics and wherein the sequential order of recurrence of the light radiation sources of the various bins is repeated over the sequences, may include placing the light radiation sources on the mounting substrate in at least two juxtaposed rows, wherein each row includes light radiation sources arranged in a zigzag pattern to produce an chessboard-like array of light radiation sources.

Abstract: A device for mounting planar lighting sources having a light emitting surface on a substrate includes a frame provided with fixing formations for fixing the frame on the substrate with the planar lighting source sandwiched between the frame and the substrate. The frame has an opening to surround the light emitting surface of said lighting source and is provided with elastic formations to elastically urge the lighting source toward the substrate. The fixing formations include at least one resilient formation to resiliently urge the frame toward the substrate.

Abstract: A lighting assembly having a base body configured as a heat sink (18) having a front surface (18a), a board (14) carrying a light radiation source (12) applied on the front surface of the heat sink, and a fixing element (20) mounted on the front surface of the heat sink with the board arranged therebetween. The fixing element includes a window (22) which leaves at least partly uncovered the light radiation source, such window having side walls (220) which surround the light radiation source and spread outward to form a reflector for the light radiation.

Abstract: A lighting module includes a power line for receiving a power supply current and a ground line, a segmentation point for cutting the lighting module into two parts, a first set of light sources upstream of the segmentation point, a second set of light sources downstream of the segmentation point, wherein the first and second sets of light sources are connected in series, and a resistive element connected to the intermediate point between the first and the second set of light sources, and the ground line, which is configured in such a way that: when the lighting module has not been cut, the resistive element has a resistance which is greater than the resistance of the portion of the lighting module downstream of the segmentation point, and when the lighting module has been cut, the resistive element has a resistance which is less than the resistance thereof.

Abstract: A lighting device includes a tray-like housing with a base wall, at least one light radiation source on the base wall of the housing, having electrical contact pads in an opposite position from the base wall of the housing, and a circuit board on the base wall of the housing with electrically conductive lines extending on the face of the board opposite from the base wall of the housing, with respective electrical contact pads placed in positions facing the electrical contact pads of the light radiation source. At least one optical element is provided, with a light input to collect light radiation at the light radiation source and one or more light outputs to project light radiation from the lighting device. The optical element has an electrically non-conductive base wall which urges the light radiation source or sources and the circuit board toward the base wall of the housing.

Abstract: A lighting device may include a channel-shaped housing having two ends with a main axis of the housing extending between the ends, a pair of mounting fixtures for a pair of light radiation sources within the housing with the light radiation sources radiating light radiation in opposite directions along the main axis, and a pair of reflectors each facing a respective one of the mounting fixtures to receive light radiation along the main axis and reflect it to the outside of the housing.

Abstract: A device for mounting lighting sources on a substrate includes a mounting frame provided with fixing formations for fixing on the substrate, the mounting frame defining a cavity for receiving the lighting source which rests on the substrate. A locking member may be provided which can be positioned in the cavity of the mounting frame to urge said lighting source toward the substrate. At least one of the mounting frame and the locking member may include at least one retaining formation for the lighting source, including one or more pins extending into corresponding openings in the lighting source, and/or one or more elastic fins extending from the mounting frame to elastically contact the lighting source.

Abstract: A circuit for driving a plurality of light sources via a current generator, wherein the light sources are grouped into a plurality of light source sets wherein the driver circuit comprises a plurality of inductive elements, a plurality of switches adapted to selectively connect each light source set in series with one of the inductive elements, and a control circuit configured for driving the switches, so that during a first operation time interval, each light source set is connected in series with a respective first inductive element, and during a second operation time interval, each light source set is connected in series with a respective second inductive element, wherein the respective second inductive element is separate from the respective first inductive element.