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: A light emitting device (1) comprising at least one LED light source (6, 61, 62) adapted for, in operation, emitting light source light, and an elongated light guide (2) comprising a height direction (H), a width direction (W), a depth direction (D), a longitudinal axis (L) extending in the height direction (H), a first major surface (31) and a second major surface (32) arranged extending opposite to the first major surface in the depth direction (D), a first minor surface (41) and a second minor surface (42) arranged extending opposite to the first minor surface in the width direction (W), and a first end (51) and a second end (52) arranged extending opposite to the first end in the height direction (H), where the elongated light guide (2) further comprises at least one light in-coupling element (7, 71, 72) configured to couple the light source light into the elongated light guide and at least one light out-coupling element (81, 82) configured to couple the light source light out of the elongated light guide

Abstract: The invention provides a system (1000) comprising (i) a luminescent body (200) and (ii) a two-phase cooling device (400), wherein the two-phase cooling device (400) has a device wall (410), wherein the device wall (410) defines an chamber (450), wherein the device wall (410) comprises a tapering section (405) comprising a contact region (406), wherein the tapering section (405) tapers to the contact region (406), wherein the luminescent 5 body (200) is thermally coupled to the contact region (406), and wherein the device wall (410) has a first thickness d1 at the contact region (406), wherein d1 is selected from the range of 0.15-0.35 mm.

Abstract: A light emitting device (1) comprising at least one LED filament (2) comprising a flexible substrate (3) and a plurality of LED light sources (4) arranged on the flexible substrate (3), and an encapsulation (5a, 5b) encapsulating the plurality of LED light sources (4) and at least a part of one side of the flexible substrate (3), where the at least one LED filament (2) comprises at least one knot (6) in the form of intentional complication in cordage of the at least one LED filament (2), and where the intentional complication in cordage is any one of a fastening made by looping the at least one LED filament (2) on itself or together with a further LED filament and tightening it, and an intentional complication in cordage in which the at least one LED filament (2) is interlaced with at least one further LED filament at right angles to one another.

Abstract: The invention provides a system (1000) comprising (i) a luminescent body (200) and (ii) a two-phase cooling device (400), wherein the two-phase cooling device (400) has a device wall (410), wherein the device wall (410) defines an chamber (450), wherein the device wall (410) comprises a tapering section (405) comprising a contact region (406), wherein the tapering section (405) tapers to the contact region (406), wherein the luminescent 5 body (200) is thermally coupled to the contact region (406), and wherein the device wall (410) has a first thickness d1 at the contact region (406), wherein d1 is selected from the range of 0.15-0.35 mm.

Abstract: A light emitting device (1) comprising at least one LED light source (6, 61, 62) adapted for, in operation, emitting light source light, and an elongated light guide (2) comprising a height direction (H), a width direction (W), a depth direction (D), a longitudinal axis (L) extending in the height direction (H), a first major surface (31) and a second major surface (32) arranged extending opposite to the first major surface in the depth direction (D), a first minor surface (41) and a second minor surface (42) arranged extending opposite to the first minor surface in the width direction (W), and a first end (51) and a second end (52) arranged extending opposite to the first end in the height direction (H), where the elongated light guide (2) further comprises at least one light in-coupling element (7, 71, 72) configured to couple the light source light into the elongated light guide and at least one light out-coupling element (81, 82) configured to couple the light source light out of the elongated light guide

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 present invention relates to a light emitting device comprising one or more LED light sources and one or more diffusely transmissive covers. The one or more diffusely transmissive covers extend over the one or more LED light sources to form one or more combinations of an LED light source and a diffusely transmissive cover. For each combination of an LED light source and a diffusely transmissive cover (i) the diffusely transmissive cover is dome-shaped with a vertical cross-section having a closed convex shape and a horizontal cross-section having a polygonal shape, (ii) the diffusely transmissive cover has a width (w) projected in a horizontal plane parallel to a bottom of the diffusely transmissive cover, (iii) the LED light source has a distance (d) to any neighboring LED light source. The width (w) and the distance (d) are perpendicular to each other, and the ratio of the width (w) and the distance (d) is constant.

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 present invention relates to a light emitting device comprising one or more LED light sources and one or more diffusely transmissive covers. The one or more diffusely transmissive covers extend over the one or more LED light sources to form one or more combinations of an LED light source and a diffusely transmissive cover. For each combination of an LED light source and a diffusely transmissive cover (i) the diffusely transmissive cover is dome-shaped with a vertical cross-section having a closed convex shape and a horizontal cross-section having a polygonal shape, (ii) the diffusely transmissive cover has a width (w) projected in a horizontal plane parallel to a bottom of the diffusely transmissive cover, (iii) the LED light source has a distance (d) to any neighboring LED light source. The width (w) and the distance (d) are perpendicular to each other, and the ratio of the width (w) and the distance (d) is constant.

Abstract: The invention provides a light generating device (1000) comprising (i) a tubular enclosure (100) and (ii) a plurality of light sources (200) configured to generate light source light (201) configured within the tubular enclosure (100), wherein the light sources (200) comprise solid state light sources, wherein the enclosure (100) comprises an enclosure material (300) that is transmissive for at least part of the light source light (201), wherein the enclosure material (300) comprises polymeric foam material (310), wherein the polymeric foam material (310) has a volume fraction of gas voids (320) relative to the total volume of the polymeric foam material (310) including the gas voids (320) selected from the range of 10-95 vol. %, wherein the tubular enclosure (100) has a tube length (L1) of at least 400 mm and a wall thickness (w1) selected from the range of 0.5-6 mm.

Abstract: A light emitting device (1) comprising at least one LED filament (2) comprising a flexible substrate (3) and a plurality of LED light sources (4) arranged on the flexible substrate (3), and an encapsulation (5a, 5b) encapsulating the plurality of LED light sources (4) and at least a part of one side of the flexible substrate (3), where the at least one LED filament (2) comprises at least one knot (6) in the form of intentional complication in cordage of the at least one LED filament (2), and where the intentional complication in cordage is any one of a fastening made by looping the at least one LED filament (2) on itself or together with a further LED filament and tightening it, and an intentional complication in cordage in which the at least one LED filament (2) is interlaced with at least one further LED filament at right angles to one another.

Abstract: An electrical connector assembly (1) comprising a connector housing (5), a ceiling holder (3) and a cooling body (4), which ceiling holder (3) is provided between the connector housing (5) and the cooling body (4). The connector housing (5) comprises at least one clip lock mechanism (13, 14) with a resilient locking arm 15 which is provided with a first and a second clip (18, 19). Further the at least one clip lock mechanism (13, 14) comprises at least a first clip arm (21) which is provided with a first abutment protrusion (25) and a second abutment protrusion (26), respectively. The ceiling holder (3) may be manufactured of a number of materials, and depending of the chosen material, the thickness of the ceiling holder may differ.

Abstract: There is disclosed alighting device (8) comprising: at least one light-emitting filament comprising (12) a plurality of solid-state light sources (14); and an elongated reflector (9) arranged to reflect light emitted by the light-emitting filament (12), wherein the reflector (9) has a longitudinal groove (11) in which the light-emitting filament (12) is arranged such that the reflector (9) and the at least one light-emitting filament (12) extend longitudinally along a common path, and wherein said path is curved in three dimensions. A light bulb (5) comprising the lighting device (8) and a luminaire (1) comprising the lighting device (8) are also disclosed. The lighting device (8) can be produced cost-efficiently and adapted to conform well to a predetermined emission pattern.

Abstract: There is provided an illumination system (100) for cultivation of aquatic animals. The illumination system (100) comprises at least one light source (110) emitting light, at least one light driver (120) arranged to drive the at least one light source (110), at least one light sensor (130) providing illuminance data for at least one point of interest (50) in said illumination system (100), and a controller (140). The controller (140) is adapted to provide control signals to the at least one light driver (120) driving the at least one light source (110) to emit light of a desired illuminance at the at least one point of interest (50). An ambient light sensor may be applied to determine control signals also in accordance with ambient light data.

Abstract: The invention provides a lighting system (1) comprising a lighting unit (100) and a monolithic support element (200) for supporting the lighting unit (100), wherein the monolithic support element (200) comprises: —a support part (210) for supporting the lighting unit (100), wherein the support part (210) has a first length (L1), wherein the support part (210) has a support part outer shape and support part outer dimensions, wherein the support part (210) optionally includes a support part channel (211) over at least part of the first length (L1) having a first cross-sectional area (A1); —a first duct (220) having second length (L2), wherein the first duct (220) has a first duct outer shape and first duct outer dimensions, wherein the first duct (220) comprises a duct channel (221) over at least part of the second length (L2) having a second cross-sectional area (A2); —a transition part (230) bridging the support part (210) and the first duct (220); wherein one or mote of (i) the support part outer shape and t

Abstract: A lighting module (1) is disclosed, comprising at least one elongated carrier (2, 8) arranged to support a plurality of light-emitting elements (3) and configured to provide power to the plurality of light-emitting elements (3). The plurality of light-emitting elements (3) comprises at least a first set comprising a plurality of light-emitting elements and a second set comprising a plurality of light-emitting elements. The lighting module (1) comprises at least one optical element (4) coupled to the at least one elongated carrier (2, 8) and configured to receive light emitted from the first set of light-emitting elements when supplied with power and light emitted from the second set of light-emitting elements when supplied with power, respectively, mix the received light by means of diffusing and/or scattering the received light, and output the mixed light.

Abstract: The invention provides a lighting module (100) for use in a luminaire (200). The lighting module comprises a base (101) having a longitudinal axis (LA) which comprises an electrical connector (102) for connecting the lighting module (100) to a luminaire socket (201) of the luminaire (200). The lighting module (100) further comprises a driver unit (103) which comprises a driver circuit (104) which is electrically connected to the electrical connector (102). The lighting module (100) further comprises a light unit (105) which comprises at least one solid state light source (106) which is electrically connected to the driver circuit (104) and emits light. The lighting module (100) further comprises a heat sink (107) which removes heat from the at least one solid state light source (106).

Abstract: The invention provides a lighting module (100) for use in a luminaire (200). The lighting module (100) comprises: a base (101) having a longitudinal axis (LA) and being constructed for rotatably connecting the base (101) to a socket (119) of a luminaire (200). The lighting module (100) further comprises a carrier (102) connected to the base (101) and extending from the base (101) in the direction of the longitudinal axis (LA). The lighting 5 module (100) further comprises a light unit (103) comprising a light source (104) and a heat sink (105) for dissipating thermal energy of the light source (104). The heat sink (105) extends in the direction of the longitudinal axis (LA) and is positioned at a non-zero distance D1 to the longitudinal axis (LA). The lighting module (100) further comprising a connecting construction (106) connecting the light unit (103) rotatably to the carrier (102) for rotating 10 the light unit (103) both around the carrier (102) and longitudinal axis (LA).