Abstract: An illumination device (100) provided with a support structure (10), an array of a plurality of spatially separated solid state lighting elements (11) mounted on a first side of the support structure (10), as well as an optical element (12) made from a light diffusing material for diffusing light emitted by the array of the plurality of spatially separated solid state lighting elements (11), the optical element (12) being mounted on the first side of the support structure and provided with a pattern formed of an array of a plurality of recessed portions (120) and an array of a plurality of elevated portions (122).

Abstract: A light guide (1) for a lighting device (8) is provided. The light guide (1) comprises an incoupling element (2) configured for receiving light and coupling the received light into the light guide (1). The light guide (1) is configured to convey the received light within the light guide (1). The light guide (1) comprises at least a first group and a second group of conically shaped outcoupling surface structures (3) distributed on, and recessed into or protruding from, a side (4) of the light guide (1). Each conically shaped outcoupling surface structure (3) is configured for coupling of light out of the light guide (1). Further, each conically shaped outcoupling surface structure (3) of the first group is geometrically characterized by a shape in accordance with a first cone or conical frustum (5) and each conically shaped outcoupling surface structure (3) of the second group is geometrically characterized by a shape in accordance with a second cone or conical frustum (6).

Abstract: The invention relates to a luminaire comprising a stack of parallel light transmissive transparent plates comprising a light guide plate and an optical plate. The light guide plate comprises a first and a second major light guide surface and a circumferential edge-wall and is edge-lit by LEDs. At least one of the major light guide surfaces is provided with a light outcoupling structure comprising outcoupling elements arranged at a first pitch P1. The optical plate comprises a first and a second major optical surface, the first major optical surface facing towards the second major light guide surface and only one of the first and second major optical surfaces being provided with an optical structure comprising optical elements arranged at a second pitch P2. The second major light guide surface and the first major optical surface are spaced apart in a direction perpendicular to the major light guide surface by a spacing S, with S being in the range of 0-12 mm.

Abstract: The invention relates to a retractable lighting fixture, comprising an elongated drum rotatable over a length axis; and a flexible multilayer lighting sheet movable between a retracted position and a protracted position, with the multilayer lighting sheet in the retracted position being at least partially retracted in one or more windings around the drum and with the multilayer lighting sheet in the protracted position being fully unwound from the drum; the multilayer lighting sheet being composed of at least one LED layer and at least one diffusing optical layer, the at least one LED layer having a first LED layer edge mounted at a first mounting position of the drum and the at least one diffusing optical layer having a first optical layer edge mounted at a second mounting position of the drum, the first mounting position being located at an arc length from the second mounting position.

Abstract: The invention provides a light generating system (1000), comprising a plurality of light sources (10), an elongated luminescent body (100), and a body holder structure (2000), wherein: the plurality of light sources (10) are configured to provide light source light (11), wherein the light sources (10) are solid state light sources, wherein the plurality of light sources (10) are configured in a light source array (15); the elongated luminescent body (100) has a length (L) and a width (W), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of light source light (11) into luminescent material light (8), wherein the elongated luminescent body (100) and the light source array (15) are configured parallel; the body holder structure (2000) comprises an elongated slit (205) for hosting the elongated luminescent body (100), wherein the elongated slit (205) has a cavity wall (1205) defining the elongated slit (205) and a slit opening (1206), wherein

Abstract: The invention provides a lighting system (100) comprising a first light source (10), a second light source (20), and a control system (30), wherein: —the first light source (10) is configured to generate first light source light (11) with a controllable first radiant flux, wherein the first radiant flux is dimmable over a first dimming range; wherein the first light source light (11) has a first angular distribution relative to the lighting system (100); —the second light source (20) is configured to generate second light source light (21) with a controllable second radiant flux, wherein the second radiant flux is dimmable over a second dimming range; wherein the second light source light (21) has a second angular distribution relative to the lighting system (100), different from the first angular distribution; —the control system (30) is configured to control the first light source (10) and the second light source (20), wherein, in a controlling mode of the control system (30), the control system (30) is con

Abstract: The invention relates to an assembly (10) for a semiconductor photonic component (31, 32), wherein the semiconductor photonic component (31, 32) is accommodated in an assembly housing (11) being shielded from the environment. Furthermore, the invention relates to an assembly housing (11) for use with such assembly for a semiconductor photonic component (31, 32).

Abstract: The invention relates to a luminaire comprising a stack of parallel light transmissive transparent plates comprising a light guide plate and an optical plate. The light guide plate comprises a first and a second major light guide surface and a circumferential edge-wall and is edge-lit by LEDs. At least one of the major light guide surfaces is provided with a light outcoupling structure comprising outcoupling elements arranged at a first pitch P1. The optical plate comprises a first and a second major optical surface, the first major optical surface facing towards the second major light guide surface and only one of the first and second major optical surfaces being provided with an optical structure comprising optical elements arranged at a second pitch P2. The second major light guide surface and the first major optical surface are spaced apart in a direction perpendicular to the major light guide surface by a spacing S, with S being in the range of 0-12 mm.

Abstract: The invention provides a light generating system (1000), comprising a plurality of light sources (10), an elongated luminescent body (100), and a body holder structure (2000), wherein: —the plurality of light sources (10) are configured to provide light source light (11), wherein the light sources (10) are solid state light sources, wherein the plurality of light sources (10) are configured in a light source array (15); —the elongated luminescent body (100) has a length (L) and a width (W), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of light source light (11) into luminescent material light (8), wherein the elongated luminescent body (100) and the light source array (15) are configured parallel; —the body holder structure (2000) comprises an elongated slit (205) for hosting the elongated luminescent body (100), wherein the elongated slit (205) has a cavity wall (1205) defining the elongated slit (205) and a slit opening (1206), wherein

Abstract: A light guide (1) for a lighting device (8) is provided. The light guide (1) comprises an incoupling element (2) configured for receiving light and coupling the received light into the light guide (1). The light guide (1) is configured to convey the received light within the light guide (1). The light guide (1) comprises at least a first group and a second group of conically shaped outcoupling surface structures (3) distributed on, and recessed into or protruding from, a side (4) of the light guide (1). Each conically shaped outcoupling surface structure (3) is configured for coupling of light out of the light guide (1). Further, each conically shaped outcoupling surface structure (3) of the first group is geometrically characterized by a shape in accordance with a first cone or conical frustum (5) and each conically shaped outcoupling surface structure (3) of the second group is geometrically characterized by a shape in accordance with a second cone or conical frustum (6).

Abstract: A light emitting device (1) comprising at least one light source (2) adapted for, in operation, emitting light, the at least one light source (2) comprising a light emitting surface (21), and a light guide (3) comprising a top surface (31), a bottom surface (32) and a light incoupling edge (33) extending between the top surface (31) and the bottom surface (32), where a plane (4) is defined as extending in parallel with at least one of the top surface (31) and the bottom surface (32) of the light guide (3), where the at least one light source (2) and the light guide (3) is arranged in such a way with respect to each other that the light emitting surface (21) of the at least one light source (2) and the light incoupling edge (33) of the light guide (3) face each other, that the light incoupling edge (33) of the light guide (3) extends in a first angle (?) with respect to said plane (4), and that the light emitting surface (21) of the at least one light source (2) extends in a second angle (?) with respect to sa

Abstract: The invention provides a lighting system (100) comprising a first light source (10), a second light source (20), and a control system (30), wherein: —the first light source (10) is configured to generate first light source light (11) with a controllable first radiant flux, wherein the first radiant flux is dimmable over a first dimming range; wherein the first light source light (11) has a first angular distribution relative to the lighting system (100); —the second light source (20) is configured to generate second light source light (21) with a controllable second radiant flux, wherein the second radiant flux is dimmable over a second dimming range; wherein the second light source light (21) has a second angular distribution relative to the lighting system (100), different from the first angular distribution; —the control system (30) is configured to control the first light source (10) and the second light source (20), wherein, in a controlling mode of the control system (30), the control system (30) is con

Abstract: A luminaire (1) is disclosed that comprises a surface tile (5) and a lighting device (10), wherein the lighting device (10) is arranged proximal to an edge of the surface tile (5). The lighting device (10) comprises a light guide (100) having an elongate surface arrangement (110) extending between opposing end surfaces (120, 120?), and a light source (20) at one of the end surfaces (120, 120?) of the light guide (100) and arranged to emit its luminous output into the light guide (100) through said end surface (120, 120?). The elongate surface arrangement comprises a first surface portion (111) and an opposing second surface portion (113).

Abstract: A luminaire (1) is disclosed that comprises a surface tile (5) and a lighting device (10), wherein the lighting device (10) is arranged proximal to an edge of the surface tile (5). The lighting device (10) comprises a light guide (100) having an elongate surface arrangement (110) extending between opposing end surfaces (120, 120?), and a light source (20) at one of the end surfaces (120, 120?) of the light guide (100) and arranged to emit its luminous output into the light guide (100) through said end surface (120, 120?). The elongate surface arrangement comprises a first surface portion (111) and an opposing second surface portion (113).

Abstract: A light emitting device (1, 101) comprising a plurality of LEDs (2), each LED (21, 22, 23) of said plurality of LEDs comprising a LED output surface (24, 25, 26) and being arranged to, in operation, emit light from said LED output surface, a light guiding element (3) comprising a light guide input surface (31) being arranged adjacent said LED output surface of each LED of said plurality of LEDs such that said light emitted by said plurality of LEDs is injected into the light guiding element at said light guide input surface, said light guiding element further comprising a light guide output surface (34), said light being injected into the light guiding element at said light guide input surface further being guided to and emitted from said light guide output surface, and a collimating element (4) made of a transparent material and comprising a first surface section (41) arranged adjacent said light guide output surface and said collimating element being adapted to collimate light emitted from said light guide

Abstract: A light emitting device (1, 101) comprising a plurality of LEDs (2), each LED (21, 22, 23) of said plurality of LEDs comprising a LED output surface (24, 25, 26) and being arranged to, in operation, emit light from said LED output surface, a light guiding element (3) comprising a light guide input surface (31) being arranged adjacent said LED output surface of each LED of said plurality of LEDs such that said light emitted by said plurality of LEDs is injected into the light guiding element at said light guide input surface, said light guiding element further comprising a light guide output surface (34), said light being injected into the light guiding element at said light guide input surface further being guided to and emitted from said light guide output surface, and a collimating element (4) made of a transparent material and comprising a first surface section (41) arranged adjacent said light guide output surface and said collimating element being adapted to collimate light emitted from said light guide

Abstract: A light emitting arrangement is provided, comprising: an array of light-emitting elements (20) arranged on a carrier (10) having an inner surface (11) facing an interior space at least partially enclosed by said carrier, and an outer surface (12), and wherein the light emitting elements (20) are arranged to emit light towards the interior space, and a tubular wavelength converting member (30) having an envelope body comprising a light-receiving inner envelope surface (31) facing an interior space partially enclosed by said wavelength converting member, and an outer envelope surface (32), the wavelength converting member (30) being arranged adjacent said carrier (10) to receive light emitted by said light emitting elements (20) via said light-receiving inner envelope surface (31). The light emitting arrangement offers improved cooling and enables high lumen output without overheating.

Abstract: A light emitting arrangement is provided, comprising: an array of light-emitting elements (20) arranged on a carrier (10) having an inner surface (11) facing an interior space at least partially enclosed by said carrier, and an outer surface (12), and wherein the light emitting elements (20) are arranged to emit light towards the interior space, and a tubular wavelength converting member (30) having an envelope body comprising a light-receiving inner envelope surface (31) facing an interior space partially enclosed by said wavelength converting member, and an outer envelope surface (32), the wavelength converting member (30) being arranged adjacent said carrier (10) to receive light emitted by said light emitting elements (20) via said light-receiving inner envelope surface (31). The light emitting arrangement offers improved cooling and enables high lumen output without overheating.

Abstract: The present invention relates to an optical device (229) for forming a light beam, which optical device comprises a lens (330) having a top section (331) configured to receive light emitted by a light source (220), a bottom section (332) configured to allow the received light to exit the lens, and a plurality of side sections (333) stretching from the top section to the bottom section. The plurality of side sections enclose the lens and are adapted to reflect and refract incident rays of the received light. A cross-section (334) of the lens, in a plane perpendicular to a center axis (338) stretching from the top section to the bottom section, has the shape of a polygon, which polygon is oriented in a length-wise direction (335) and in a transversal direction (336) being perpendicular to each other. Furthermore, the lens is adapted such that the received light exits the lens as a light beam formed to an elongated shape (5) at a predetermined distance (4) from the optical device.

Abstract: The present invention relates to a lighting device (100) comprising a tubular portion (102), which is elongate and which has a light transmissive light outlet portion (104); solid state light emitting elements (114) generating light, which is outlet through the light outlet portion (104); a reflector (106) mounted within the tubular portion (102); and a light diffusing element (108) which is arranged to diffuse the generated light before being emitted from the lighting device (100). The reflector (106) is non-planar and defines a reflector opening (146). The solid state light emitting elements (114) are mounted at the reflector (106), and the reflector (106) is provided with at least one shielding portion (126,128), shielding the generated light from passing directly from the solid state light emitting elements (114) through the reflector opening (146).