Abstract: A light emitting diode, LED, filament (1) comprising a plurality of LEDs (2) configured to, in operation, emit LED light having a peak wavelength in a blue wavelength range, and a first wavelength-converting encapsulant (5) being arranged to receive at least part of the LED light and comprising a first organic wavelength-converting material configured to at least partly convert the LED light into first organic converted light having a peak wavelength in a red wavelength range of 580 nm to 680 nm. The LED filament (1) is arranged such that the first wavelength-converting encapsulant (5) is spaced apart from the plurality of LEDs (2). The LED filament (1) is arranged such that the LED filament light (9) emitted by the LED filament in operation comprises at least some of the LED light and at least some of the first organic converted light.

Abstract: The invention provides a method for producing a 3D item (1) by means of fused deposition modelling, the method comprising a 3D printing stage using a fused deposition modeling 3D printer (500) for layer-wise depositing 3D printable material (201) to provide the 3D item (1) comprising a layer (322) of 3D printed material (202); wherein the 3D printer (500) comprises an extruder section (510), a nozzle section (520) configured downstream of the extruder section (510), a first feeder (530), and a second feeder (540); wherein the nozzle section (520) comprises a core-shell nozzle (502) comprising (i) a nozzle core (521), configured downstream of the extruder section (510), and (ii) a nozzle shell (522) (not configured downstream of the extruder section (510)); wherein the first feeder (530) is configured to feed particulate material (531) comprising a first 3D printable material (1201), to the extruder section (510), wherein the first 3D printable material (1201) comprises a first material (1211); wherein the sec

Abstract: The invention provides a method for producing a 3D item (1) by means of 3D printing using a 3D printer (500), wherein the 3D printer (500) has a receiver item (550) which can be heated to a receiver item temperature. The method comprises the steps of providing a receiver item (550) having an adhesion layer (222) made of a first 3D printable material (201), the first 3D printable material (201) comprising a thermoplastic amorphous polymer having a first glass transition temperature TG1. Selecting a second receiver item temperature TR2 above the first glass transition temperature; and printing the 3D item (1) on top of the adhesion layer (220) using a second 3D printable material (201). The second 3D printable material (201) comprises a thermoplastic polymer having a second glass transition temperature TG2 and/or a second melting temperature TM2, wherein TG2>TR2>TG1 and/or TM2>TR2>TG1, and the second 3D printable material (201) being non-miscible with the first 3D printable material (201).

Abstract: The invention provides a light generating system (1000) comprising a first light generating arrangement (110), a second light generating arrangement (120), a luminescent element (210), a diffuser element (410), a beam direction control system (500), and a control system (300), wherein: (A) the first light generating arrangement (110) is configured to generate a first beam (B1) of first device light (111), wherein the first light generating arrangement (110) comprises a first solid state laser light source (10); (B) the second light generating arrangement (120) is configured to generate a second beam (B2) of second device light (121), wherein the second light generating arrangement (120) comprises a second solid state laser light source (20); (C) the luminescent element (210) comprises a luminescent material (200), wherein the luminescent material (200) is able to convert the first 10 device light (111) and/or the second device light (121) received by the luminescent material (200) into luminescent material li

Abstract: The invention provides a method for producing a 3D item (1) by means of fused deposition modelling using a fused deposition modeling 3D printer (500) comprising a printer nozzle (502), wherein the 3D item (1) comprises one or more layers (322) of 3D printed material (202), the method comprising a 3D printing stage comprising: —providing 3D printable material (201) to the printer nozzle (502), wherein: —the 3D printable material (201) comprises 3D printable core material (2101) and 3D printable first shell material (2201); —the 3D printable core material (2101) comprises a core thermoplastic material (2111) having a core thermoplastic material melting temperature Tmc1; —the 3D printable first shell material (2201) comprises a first shell thermoplastic material (2211) having a first shell thermoplastic material melting temperature Tms1; wherein Tmc1>Tms1; —the 3D printable first shell material (2201) has a 3D printable first shell material optical property, the 3D printable core material (2101) has a 3D prin

Abstract: A foldable luminaire (100) is provided. The foldable luminaire comprises a body (110) having a thickness (d) and comprising a top side (110a) and a bottom side (110b) separated by the thickness. The foldable luminaire also comprises a plurality of LED light sources (120,155) arranged to, in operation, emit LED light (125). The foldable luminaire further comprises a first flexible material later (130) attached at the bottom side of the body. The first flexible material layer comprises electrical connecting elements for providing power to the LED light sources. The foldable luminaire further comprises a plurality of light shaping elements (460) arranged in the body configured to at least partially shape or redirect the light into luminaire light (105). A plurality of slits (140) is formed in the body extending from the top side to the bottom side such that a plurality of body segments (1, 2, . . . , n) with respective length (L1, L2, . . . , Ln) are formed in the body.

Abstract: A luminaire system comprising a luminaire (1) having a connection slot (6) and a UV lighting module (7) comprising a connection portion (11) configured to be inserted into the connection slot (6), a light emitting portion (12) housing a module solid state light source (13) configured to generate module light (32) comprising UV light having a dominant peak wavelength in the 100-380 nm range, and a light exit window (14) configured to exit the module light, wherein an area (A2) of the light exit window (14) is at least 1.5 times as large as an opening area (Al) of the connection portion (11). With this design, a relatively small connection slot may be used to connect a UV lighting module with a significantly larger light exit window. This makes it possible to easily retrofit a luminaire provided with a “sensor slot” with a UV lighting capability.

Abstract: A light generating system is provided, having one or more pump light sources, a first luminescent material, a second luminescent material, and optics, wherein the first/second luminescent materials convert at least part of the pump light source light into first/second luminescent materials light, the first and second luminescent materials light have different spectral power distributions; the optics comprise first/second wavelength dependent optics which spectrally separate the first luminescent material light into a first part of the first luminescent material light and a second part of the first luminescent material light into two directions; the second wavelength dependent optics spectrally combines the first part of the first luminescent material light, the second part of the first luminescent material light, and the second luminescent material light; and the light generating system is configured to generate system light using the pump light source light and the first/second luminescent material light.

Abstract: A luminaire system comprising a luminaire (1) including at least one luminaire white light source (3) associated with a respective luminaire collimator (8), wherein the collimated white light (32) has a main luminaire optical axis (OL) which, when the luminaire is mounted in or onto a ceiling (30), is aligned with a direction of gravity, and a connection slot.

Abstract: The present invention relates to an LED filament (100) comprising a carrier (110) comprising a plurality of LEDs (140) arranged in at least two columns of LEDs (150, 160). The plurality of LEDs (140) are grouped into at least two different subsets of LEDs (120, 130), wherein a first subset of the LEDs (120) is configured to emit light of a first color temperature, CT1, and a second subset of the LEDs (130) is configured to emit light of a second color temperature, CT2, CT2 being different from CT1. The LEDs (140) of the at least two different subsets of LEDs (120, 130) are arranged in an alternating intersecting configuration in the at least two columns of LEDs (150, 160) such that each column (150) comprises alternating segments (132, 124) configured to emit light of the first and the second color temperatures, respectively.

Abstract: The invention provides a light generating system (1000) comprising a first light generating arrangement (2100), a luminescent body (210), a reflective polarizer (500), and a control system (300); wherein the first light generating arrangement (2100) is configured to generate pump light (2101) having a controllable polarization, wherein the polarization is controllable between a first polarization and a second polarization; wherein the first light generating arrangement (2100) comprises a first solid state light source (10) selected from the group comprising a superluminescent diode and a laser diode; wherein the luminescent body (210) comprises a luminescent material (200); wherein the luminescent body (210) is configured to (a) transmit at least part of the pump light (2101) (comprising the first polarization and/or the second polarization) and (b) convert at least part of the pump light (2101) (comprising the first polarization and/or the second polarization) into luminescent material light (201); wherein t

Abstract: The invention provides light generating system (1000) comprising (i) one or more light generating devices (100), (ii) a luminescence conversion arrangement (2000), and (iii) a diffuser arrangement (4000), wherein: the one or more light generating devices (100) are configured to generate device light (101); wherein the one or more light generating devices (100) comprises a solid state light source (10), wherein the solid state light source (10) comprises one or more of a laser diode and a superluminescent diode; wherein the light generating system (1000) is configured such that, in an operational mode of the light generating system (1000), (a) at least part of the device light (101) propagates to the luminescence conversion arrangement (2000), and (b) at least part of the device light (101) propagates to the diffuser arrangement (4000); wherein the at least part of the device light (101) propagating to the diffuser arrangement (4000) is polarized light comprising one of a first linear polarization and a second

Abstract: A LED filament (10) providing LED filament light, comprising: an elongated carrier (11); a plurality of blue LEDs (12a, 12b, 12c) mounted on a mounting side (11a) of the elongated carrier, wherein the plurality of blue LEDs (12a, 12b, 12c) includes: a first individually controllable array of blue LEDs (12a) emitting first blue LED light, a second individually controllable array of blue LEDs (12b) emitting second blue LED light, and a third individually controllable array of blue LEDs (12c) emitting third blue LED light; and an elongated encapsulant layer (14) covering all LEDs (12a) in the first individually controllable array and all LEDs (12b) in the second individually controllable array, said elongated encapsulant layer formed by a first luminescent material having a first concentration, C1, of luminescent particles, wherein the blue LEDs (12b) in the second individually controllable array are covered by first encapsulant spots (15) formed by a second luminescent material having a second concentration, C2

Abstract: A track lighting system (1) with: a LED light source (10) configured to emit LED light, a light exit window (3) extending in a first plane (P1) and having a first axis (A1) perpendicular to the first plane (P1), a longitudinal track (4) extending along a longitudinal axis (LA) having a mounting face extending in a second plane (P2), a connector (5) configured for mechanically and electrically connecting the luminaire (2) to the track (4), wherein the connector (5) is configured to be movable along the longitudinal axis (LA), and the connector (5) is configured to provide the luminaire (2) with a degree of freedom of rotation over a rotation angle (?) and/or tilting over a tilting angle (?) with respect to the second plane (P2). The light exit window (3) is configured to output luminaire light comprising a diffuse light component (C2) and a directional light component (C1), wherein a main directional light emission direction (Ddir) of the directional light component (C1) is non-parallel to the first axis (A1).

Abstract: The invention provides a light generating system (1000) comprising a first support (2100), a first 2D array (2110) of first light sources (10), first optical elements (410), a second support (2200), a second 2D array (2210) of second light sources (20), and second optical elements (420), wherein: (A) the first support (2100) is configured to support the first light sources (10) and the second support (2200) is configured to support the second light sources (20); the first light sources (10) are configured to generate first light source light (11) and the second light sources (20) are configured to generate second light source light (21); wherein the first light sources (10) comprise laser diodes and the second light sources (20) comprise laser diodes; wherein the first support (2100) comprises a first thermally conductive element (2160) and/or wherein the second support (2200) comprises a second thermally conductive element (2260); (B) the first optical elements (410) are configured downstream of the first li

Abstract: The invention relates to a controller (1) for controlling decorative lighting effect. A controller (1) controls a linear light source array (20) comprising a plurality of LED light sources (21-26) according to a first gradient light scene and a second gradient light scene. A first gradient light high low scene is capable of defining different first color points (11, 12) for said plurality of LED light sources (21-26) during use, such that the plurality of LED light sources provides a first illumination at a predefined distance. A second gradient light scene different from said first gradient light scene is capable of defining different second color points (11, 12) for said plurality of LED light sources (21-26) during use, such that the plurality of LED light sources (21 -26) provides a second illumination at the predefined distance.

Abstract: A LED filament 100 comprising alight transmissive carrier (110) comprising a first surface (112), and a second surface (114) arranged opposite to the first surface. The LED filament further comprises an array of first LEDs (120) arranged on the first surface, wherein the first LEDs are configured to emit blue LED light (125). The LED filament further comprises a first elongated encapsulant (130) covering the first surface and the array of first LEDs, comprising a first luminescent material (132) configured to at least partly convert the emitted blue LED light into first converted light (135), wherein the first luminescent material comprises a green-yellow phosphor. The LED filament further comprises a second elongated encapsulant (140) covering the second surface, comprising a second luminescent material (142) configured to at least partly convert the emitted blue LED light into fourth converted light (145) comprising red light.

Abstract: The invention relates to a lighting device comprising an envelope, a base, a solid-state light source, an exhaust tube, and a light guide provided with a light-outcoupling means. The light guide is optically coupled to said solid-state light source and partially arranged inside the exhaust tube. The high performance of the laser light source, as a solid-state light source, with the interaction of the optical fiber, as a light guide with the exhaust tube comprised in the stem, will make this lighting device more performant and improve its functionality and/or performance.

Abstract: A light emitting diode, LED, filament lamp (100) comprises a first LED filament (11) comprising a first plurality of LEDs, (101) on a first elongated carrier (102) and electrically connected in a first circuit (103) and configured to emit first blue LED light, a second LED filament (12) comprising a second plurality of LEDs (111) on a second elongated carrier (112) and electrically connected in a second circuit (113) and configured to emit second blue LED light. The second LED filament (12) comprises a third plurality of LEDs (121) electrically connected in a third circuit (123) and configured to emit red LED light. Luminescent material covers the second elongated carrier (112), the second and third plurality of LEDs (111, 121), configured to convert the second blue LED light into green converted light. A control unit (140) separately controls emission of LED light from the plurality of LEDs (101, 111, 121).

Abstract: The invention provides a streetlight luminaire arrangement comprising a housing arrangement, a light generating device, an antenna system, and a radio system; wherein: the light generating device comprises a solid state light source, wherein the light generating device is configured to generate device light; wherein the housing arrangement comprises a first enclosure, wherein the light generating device is at least partly enclosed by the first enclosure; wherein the radio system comprises a radio unit, wherein the radio unit is communicatively coupled to the antenna system; wherein the antenna system and the radio system are at least partly enclosed by the housing arrangement; and wherein the antenna system is configured to transmit and/or receive wireless signals; wherein the antenna system comprises two antenna modules for transmitting and/or receiving the wireless signals, wherein the antenna modules each comprise an antenna boresight axis (AM), wherein the antenna boresight axes (AM) of the two antenna mo