Abstract: Lighting device (22) for a false ceiling (10) comprising a plurality of T-profiles (14) having respective longitudinal axes (A) and arranged in a square mesh grid (12), in which each T-profile (14) has a lower wall with a width (W) and in which the grid (12) has a center distance (D) between the longitudinal axes (A) of T-profiles (14) parallel and adjacent to one another, in which the lighting device (22) has an elongated parallelepiped shape with a width (W?) comparable to the width (W) of said T-profiles (14), a height (h) of less than 15 mm and a length (D?) comparable to said center distance (D) between the longitudinal axes (A) of T-profiles (14) parallel and adjacent to one another, and in which said lighting device (22) is capable of being fitted directly in contact with the lower wall of a respective T-profile (14).

Abstract: A lighting assembly, comprising: a casing having a bowl-like structure with a bottom wall defining a window opening; a radiation source board with a light radiation source situated opposite said opening so as direct said light radiation outside of the casing; and a driving circuit board for said radiation source, said boards being stacked together without air gaps in between, with said circuit board directed towards said casing.

Abstract: A lighting device includes a laminar support member bendable at bending lines extending in a common direction, the bending lines partitioning the laminar support member in a plurality of stripes. The plurality of stripes includes at least one first stripe with electrically-powered light radiation sources therealong and at least one second stripe free from light radiation sources forming a side wing for the at least one first stripe.

Abstract: Lighting devices, and methods of manufacturing the same, are provided. A lighting device includes a cover through which emitted light passes and a formed flexible light engine. The formed flexible light engine is placed within a housing, or serves as the housing itself. An interface couples to cover to the housing or the formed flexible light engine. The formed flexible light engine includes a flexible substrate and a plurality of solid state light sources located thereon. The plurality of solid state light sources are configured to emit light through the cover. The formed light engine has a defined shape created during the forming process. This enables placement on the housing within the lighting device, or contributes to the overall shape of the lighting device.

Abstract: A lighting device may include a light radiation source board carrying at least one electrically powered light radiation source, e.g. a LED source, and a frame-like housing having a window, the board of the light radiation source being arranged in the housing with the light radiation source facing window. A glass cover covering the window is inserted in the housing by sliding along the housing or by tilting against the housing.

Abstract: A lighting device comprising light radiation sources (12a, 12b, 12c, 12d) arranged in a plurality of cells (CI, C2, C3, C4) wherein each cell comprises at least one light radiation source, an output screen (16) for receiving light radiation from said light radiation sources (12a, 12b, 12c, 12d), and optical elements (18, 20) arranged between said cells (CI, C2, C3, C4) and said screen (16) so as to convey onto said screen (16) with a uniformly distributed intensity the light radiation produced by said light radiation sources (12a, 12b, 12c, 12d), the illumination of said screen (16) resulting from the superimposition of light radiation individually produced by the cells of said plurality (CI, C2, C3, C4).

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 support structure for electrically-powered light radiation sources, e.g. LED sources, includes a ribbon-like flexible substrate with a front surface having, distributed therealong, mounting locations for light radiation sources. The ribbon-like substrate has a back surface with a plurality of thermally dissipative elements coupled to said back surface at locations opposed mounting locations of the light radiation sources on the front surface.

Abstract: A substrate for mounting electrically-powered light radiation sources, e.g. LED sources, includes a base layer of electrically-insulating material, such as PET, and a contact layer of electrically conductive material, e.g. copper. The contact layer includes a mounting area for a light radiation source having opposed anode and cathode terminals, including two portions with a gap therebetween. Therefore, the light radiation source may be mounted bridge-like across gap, with anode and cathode terminals soldered to respective soldering surfaces provided in the one and the other of said two portions of the mounting area. The latter portions include respective solder flow blocking formations including fork-shaped apertures in contact layer leaving base layer uncovered. The fork-shaped apertures have a web portion and prongs extending from web portion towards said soldering surfaces.

Abstract: A lighting device includes a lighting source, e.g. a LED lighting source, arranged between a first and a second component with a coupling structure interposed between the first and the second component to sealingly couple them together. The coupling structure includes at least one layer resiliently deformable to permit relative displacement of the first and second components.

Abstract: A lighting device includes a lighting source, e.g. a LED lighting source, arranged between a first and a second component with a coupling structure interposed between the first and the second component to sealingly couple them together. The coupling structure includes at least one layer resiliently deformable to permit relative displacement of the first and second components.

Abstract: A lighting device includes a laminar support member bendable at bending lines extending in a common direction, said bending lines partitioning said laminar support member in a plurality of stripes. Said plurality of stripes includes at least one first stripe with electrically-powered light radiation sources therealong and at least one second stripe free from light radiation sources forming a side wing for said at least one first stripe.

Abstract: A method for mounting planar lighting modules on a mounting surface may include: providing on opposite sides of the lighting module fixing indentations opening toward the aforesaid sides, superimposing on said opposite sides of the lighting module stiffening bars having lateral lobes extending into said indentations, and fixing to the mounting surface the stiffening bars superimposed on the opposite sides of the lighting module with the opposite sides of the lighting module sandwiched between the stiffening bars and the mounting surface, whereby the stiffening bars urge the lighting module toward the mounting surface.

Abstract: A lighting device for mounting on a mounting surface may include: a planar solid state lighting module having a light emitting region and peripheral holes for fixing members to the mounting surface to extend therethrough, a peripheral gasket extending along the periphery of the lighting module; the gasket having, at the holes of the lighting module, ear-like extensions having a perforation therein, said ear-like extensions extending inwardly of the gasket to align the perforations therein with the holes in the lighting module, a housing which frames the lighting device with the gasket applied onto the lighting module. The housing has apertures aligned with the holes in the lighting module and the perforations in the ear-like extensions of the gasket, as well as a window to expose the light emitting region of the lighting module, with a light permeable screen which sealingly closes said window.

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 device may include a light radiation source board carrying at least one electrically powered light radiation source, e.g. a LED source, and a frame-like housing having a window, the board of the light radiation source being arranged in the housing with the light radiation source facing window. A glass cover covering the window is inserted in the housing by sliding along the housing or by tilting against the housing.

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 assembly (10) comprising: a casing (24) having a bowl-like structure with a bottom wall (24a) defining a window opening (26), and joined to said casing (24), a stack of elements comprising: a light radiation source (12, 14) situated opposite said opening (26) so as to direct said light radiation towards the outside of the casing (24); and a driving circuit board (16) for said radiation source (12, 14).

Abstract: Provide a plurality of lighting modules. Connect together a plurality of the lighting modules for forming a series of lighting modules. Cut the series of lighting modules into lighting devices having a lighting module. Interconnection elements of the last lighting module of each lighting device are cut along their transverse axes. Each lighting module includes a first set of contacts placed at a first end of said lighting module and a second set of contacts placed in corresponding positions at a second end of said lighting module. Each lighting module is connected to the next lighting module by means of interconnection elements which connect the first set of contacts of each lighting module to the second set of contacts of the next lighting module. Interconnection elements include a base plate and a hollow portion in order to form female connectors when said interconnection elements are cut along their transverse axis.

Abstract: An optoelectronic module 1 having at least a first 2A and a second 2B radiation-emitting source and a first optical element 5 including a cavity 10 wherein the surface 5A of the cavity 10 is able to reflect the radiation 3A, 3B of the at least two radiation sources. An outlet 15 in the optical element 5 is provided for coupling radiation out of the cavity 10, wherein the radiation emitted by the radiation sources 2A, 2B is reflected by the surface 5A of the cavity resulting in a mixing of the radiation.