Abstract: The invention provides a light generating system (1000) comprising a lighting unit (100), a luminescent element (210), an optical element (400), and a reflective element (510), wherein: (a) the lighting unit (100) is configured to generate a beam (102) of unit light (101); (b) the luminescent element (210) comprises a luminescent material (200) configured to convert at least part of the unit light (101) into luminescent material light (201); wherein the luminescent element (210) comprises a first luminescent element face (211) and a second luminescent element face (212), wherein at least part of the luminescent material (200) is configured between the first luminescent element face (211) and the second luminescent element face (212); (c) the optical element (400) comprises an external surface (410), wherein the optical element (400) is configured between the luminescent element (210) and 10 the reflective element (510), wherein a first part (421) of the external surface (410) is directed to the second lumines

Abstract: The invention provides a light generating device (1000) configured to generate device light (1001), wherein the light generating device (1000) comprises a first light source (110), a first luminescent material (210), a second source (120) of second light (121), and a third light source (130), wherein: the first light source (110) is configured to generate blue first light source light (111) having a first peak wavelength ?1 selected from the spectral wavelength range of 440-475 nm, wherein the first light source (110) is a first laser light source (10); the first luminescent material (210) is configured to convert at least part of the first light source light (111) into first luminescent material light (211) having an emission band having wavelengths in one or more of (a) the green spectral wavelength range and (b) the yellow spectral wavelength range, wherein the first luminescent material (210) comprises a luminescent material of the type A3B5O12:Ce, wherein A comprises one or more of Y, Gd, Tb and Lu, and

Abstract: An LED filament lighting device comprising, at least one LED filament, each including a plurality of LEDs mounted on an elongated substrate, at least one light scattering element, each including a light scattering shell surrounding a transparent volume, each light scattering element being arranged to encompass at least one LED of at least one LED filament, and configured to scatter light emitted from the encompassed LED(s), thereby forming a first LED set including at least one LED encompassed by said at least one scattering element, and a second LED set including a plurality of LEDs not encompassed by said at least one scattering element, wherein a light distribution from said first LED set combines with a light distribution from said second LED set to provide an improved total light distribution from said LED filament lighting device.

Abstract: The present disclosure relates to a light-emitting diode, LED, filament (100) including a filament core. The filament core comprises a flexible elongated carrier (102) having a first side, a plurality of LEDs (104) arranged on the first side, and an encapsulant (106) embedding at least said plurality of LEDs and at least a portion of the carrier. At least one alignment member (108) protrudes from the filament core at an angle from an elongation of the filament core.

Abstract: The present invention relates to a light emitting device (100). The light emitting device comprising a carrier (130).

Abstract: The present invention relates to a lighting system (10), comprising: a plurality of light sources (12a, 12b) adapted to emit light; a controller (14) adapted to individually control at least a first light source (12a) and a second light source (12b) of the plurality of light sources, such that at least one of color and color temperature of combined light (16) emitted by the plurality of light sources can be varied; and an air ionizer (18) adapted to generate ionized air (20), wherein the air ionizer is configured to vary its generation of ionized air as a function of at least one of the color and color temperature of the combined light emitted by the plurality of light sources.

Abstract: The invention provides a 3D printed object (210) and a method of manufacturing such an object (210) by means of fused deposition modelling.

Abstract: There is provided a luminaire (100) comprising: a first type light source (110) configured to emit visible light (111), the first type light source having a visible light main intensity peak (112) having a maximum intensity (114) in a first direction (116) from the luminaire; a second type light source (120) configured to emit ultraviolet, UV, light (121), the second type light source having a UV light main intensity peak (122) having a maximum intensity (124) in a, transverse, second direction (126). There is also provided a lighting system comprising a plurality of luminaires (100).

Abstract: A lighting device (1) is provided. The lighting device (1) comprises a housing (10) and a flexible elongated carrier (20) having a first side (20a) and a second side (20b). The elongated carrier (20) comprises a plurality of first sections (21), each first section (21) comprising a plurality of solid state lighting elements (25) arranged on the first side (20a) of the elongated carrier (20). Each first section (21) is arranged at a distance (d1) from a surface (15) of the housing. The elongated carrier (20) further comprises a plurality of second sections (22). Each second section (22) is at least in part attached to the surface of the housing (15). The first sections (21) and the second sections (22) are alternatingly arranged in a succession along a longitudinal extension of the elongated carrier (20).

Abstract: The present invention relates to a light source (100) comprising a substrate (110) having a slit (112) and a sheet formed heat sink structure (120) comprising a plurality of LEDs (130), wherein the plurality of LEDs are arranged at a surface (122) of the heat sink structure and wherein the heat sink structure is mounted through the slit such that a LED comprising portion (124) of the heat sink structure, extending from a first side (114) of the 5 substrate, and a heat-emitting portion (126) of the heat sink structure, extending from a second side (116) of the substrate being opposite to the first side, are formed. A lighting system comprising such a light source is also presented.

Abstract: The invention provides a luminescent element (1000) comprising a solid luminescent body (100), wherein the solid luminescent body (100) comprises a luminescent material (200), wherein the luminescent material (200) is configured to generate luminescent material light (201) upon excitation with light having a wavelength where the luminescent material (200) is excitable, wherein the solid luminescent body (100) comprises luminescent body faces (120), wherein the luminescent element (1000) further comprises one or more reflective elements (300) associated to at least one luminescent body face (120), wherein the one or more reflective elements (300) are metallic, and wherein a surface coverage of the at least one luminescent body face (120) with the one or more reflective elements (300) is selected from the range of 5-40%.

Abstract: The invention provides a light generating system (1000) comprising a light generating device (100), a luminescent body (200), and first optics (410), wherein: •the light generating device (100) is configured to generate device light (101); wherein the light generating device (100) comprises a laser; •the luminescent body (200) comprises a luminescent material (210), wherein the luminescent material (210) is configured to convert at least part of the device light (101) into luminescent material light (211), and wherein the luminescent body (200) is transmissive for at least part of the luminescent material light (211); •the first optics (410) are transmissive for at least part of the device light (101) and reflective for at least part of the luminescent material light (211), wherein the first optics (410) comprise a primary optic surface (411) having a first surface area A1, wherein the primary optic surface (411) is configured in a light receiving relationship with the light generating device (100); •the lumi

Abstract: The present invention relates to a color tunable and/or color temperature tunable LED filament (20, 22, 24), said LED filament comprising an elongated carrier (220), said elongated carrier comprising a first major surface (222) and a second major surface (224) arranged opposite to said first major surface, a plurality of LEDs (210) arranged in at least one linear array on said first surface of said elongated carrier, wherein the plurality of LEDs includes LEDs of different colors and/or different color temperatures, a first elongated transparent or substantially transparent layer (230) covering the plurality of LEDs on the first major surface and also at least partly covering said first major surface, and a first elongated light scattering layer (240), arranged to at least partially cover said first transparent or substantially transparent layer.

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: A LED filament including a linear array of LEDs arranged on a carrier substrate, wherein the linear array is divided into two separate longitudinal sections, a first longitudinal section including only LEDs configured to emit white light, and a second longitudinal section including only LEDs configured to emit color controllable light. The present invention suggests confining the color LEDs to the second longitudinal section of the array, so that the first longitudinal section of the array is capable of emitting homogenous white light of a color temperature in the range of the LEDs in that section.

Abstract: The invention relates to a lighting device (1) comprising an LED strip (100) with an elongated carrier (110) having a first carrier surface (111) and an opposite second carrier surface (112), a plurality of light-emitting diodes (120) arranged on the second carrier surface (112), and a light-transmissive encapsulant (130) encapsulating the plurality of light-emitting diodes (120). The lighting device (1) is arranged to be mounted to a mounting surface (210) of an object (200). For this purpose, it comprises a first attachment component (150) arranged on a first outer surface (141) of the LED strip (100) and a second attachment component (160) arranged on a second outer surface (142) of the LED strip (100). The first and second attachment components (150; 160) are for attaching the lighting device (1) in first and second mounting orientations, respectively.

Abstract: The invention provides a light generating device (1000) comprising (i) n laser light sources (10), (ii) focusing optics (20), and (iii) a luminescent body (200), wherein: (A) the n laser light sources (10) are configured to generate laser light source light (11); wherein the focusing optics (20) are configured to focus the laser light source light (11) into a focused beam (21) of laser light source light (11); wherein n?2; (B) the luminescent body (200) comprises a luminescent material (210), wherein the luminescent body (200) is configured in a light receiving relationship with the n laser light sources (10), wherein the luminescent material (210) is configured to convert at least part of the laser light source light (11) into luminescent material light (211); (C) the n laser light sources (10) and focusing optics (20) are configured to provide in an operational mode light spots (300) of laser light source light (11) on the luminescent body (200); wherein k sets of light spots (300) each have an individually

Abstract: A method for producing a 3D item by means of fused deposition modelling, the method comprising a 3D printing stage, wherein the 3D printing stage comprises layer-wise depositing 3D printable material (201) to provide the 3D item (1) comprising 3D printed material (202), wherein: (a) the 3D printable material (201) comprises 3D printable core material (1351) and 3D printable shell material (1361); the 3D item (1) comprises a core-shell layer (1322) of the 3D printed material (202), wherein the core-shell layer (1322) comprises (i) a core (330) comprising 3D printed core material (1352) and (ii) a shell (340) comprising 3D printed shell material (1362); wherein the shell (340) at least partly encloses the core (330); (b) the 3D printable core material (1351) is reflective or absorbing for a wavelength (21) in the visible wavelength range; and (c) the 3D printable shell material (1361) comprises shell particles (430) which are transmissive for the wavelength (21) and wherein at least part of a total number of sh

Abstract: The disclosure concerns a light-emitting module (100) comprising one or more flexible, elongated light-emitting diode, LED, strips (110) and a mixing chamber (150). Each LED strip comprises a first side (112) on which a plurality of LEDs (111) is mounted, a second side (113) opposite to said first side, and two lengthwise edges (114). The mixing chamber (150) is arranged to mix light emitted by said LEDs and comprises a base (151). One of the lengthwise edges (144) of each LED strip is arranged to face the base (151) of the mixing chamber. At least a portion of each LED strip (110) is bent (or folded) to extend radially from a center portion of the mixing chamber towards one or more outer points (132), so that the one or more light-emitting diode strips (110) together form a number N of elongated arms (130). Each elongated arm comprises two segments of the LED strip, where the segments form opposite sides of the elongated arm.

Abstract: A LED filament (100) comprising an elongated substrate (110), a first region (120), a second region (130) and a third region (140) arranged between the first and second region. The first region comprises a plurality of LEDs (121) of a first LED type configured to emit light with a first CCT, arranged along at least one row on the substrate. The second region comprises a plurality of LEDs (131) of a second LED type configured to emit light with a second CCT, different from said first CCT, arranged along at least one row on the substrate. The third region (140) comprises at least one first LED (141) of the first LED type and at least one second LED (142) of the second LED type. A first LED of the at least one first LED of the third region is located next to a second LED of the second region. A second LED of the at least one second LED of the third region is located next to a first LED of the first region.