Abstract: The present invention generally relates to the field of a lighting unit (100), and in particular to a lighting unit (100) that is suitable for being part of a suspended ceiling (0001). The lighting unit (100) comprises one or more lighting tiles (1000) and an interface component (2000). The interface component (2000) forms at least a portion of a grid system (1020) for the suspended ceiling (0001) and for supporting the lighting tile (1000). The interface component (2000) comprises a central support portion (2001) having a first end (2002) facing a ceiling (0002), and a second end (2003) having a first flange (2004) and a second flange (2005) that are opposing each other.

Abstract: The present invention generally relates to a lighting device (200) that comprises an optical component (100) for generating a beam shaping effect. The lighting device (200) further comprises a light source (201) and a light reflective component (114). The light source (201) is configured to provide a light source light and the light reflective component (114) is configured to at least partially reflect at least part of the light source light. The optical component (100) comprises a tubular body (101) having an outer surface (102), and an inner surface (103) opposite to the outer surface (102), the inner surface (102) at least in part forming a cavity (104). The tubular body (101) comprises a first end face (107) and a second end face (108) arranged opposite to the first end face (107).

Abstract: A method for 3D printing a 3D item (10), the method comprising (i) providing 3D printable material (201) comprising particles (410) embedded in the 3D printable material (201), wherein the particles (410) have a longest dimension length L1, a shortest dimension length L2, and an aspect ratio AR defined as the ratio of the longest dimension length L1 and the shortest dimension length L2, and (ii) depositing during a printing stage 3D printable material (201) to provide the 3D item (10) to provide layers (230) of the 3D printed material (202) with a layer height H, wherein AR>4 and H/L1<1.

Abstract: The invention provides a LED filament device (1000) configured to generate LED filament device light (1001), wherein the LED filament device (1000) comprises a LED filament (1100), wherein the LED filament (1100) comprises a plurality of light generating devices (100), each comprising a solid state light source (10), wherein the plurality of light generating devices (100) comprises a first set of n1 first light generating devices (110) configured to generate red first device light (111), a second set of n2 second light generating devices (120) configured to generate blue second device light (121), and a third set of n3 third light generating devices (130) configured to generate green third device light (131), wherein at least part of a total number n2 of the second light generating devices (120) of the second set are configured neighboring to first light generating devices (110) of the first set, wherein at least part of a total number n3 of the third light generating devices (130) of the third set are config

Abstract: The present invention relates to a light-emitting diode (LED) filament (1) configured to provide LED filament light and comprising an elongated carrier (2) comprising a first surface (3) and a second surface (3?) arranged opposite to the first surface (3). The LED filament (1) further comprises a plurality of first light-emitting diodes (4). LEDs, distributed along the first surface (3) of the elongated carrier (2), the plurality of first LEDs (4) being configured to emit a first LED light having a dominant peak wavelength within a first wavelength range, and a plurality of second light-emitting diodes (5), LEDs, distributed along the second surface (3?) of the elongated carrier (2), the plurality of second LEDs (5) being configured to emit a second LED light having a dominant peak wavelength within a second wavelength range being different from the first wavelength range.

Abstract: The present invention generally relates to a lighting device (200) that comprises an optical component (100) for generating a beam shaping effect. The lighting device (200) further comprises a light source (201) and a light reflective component (114). The light source (201) is configured to provide a light source light and the light reflective component (114) is configured to at least partially reflect at least part of the light source light. The optical component (100) comprises a tubular body (101) having an outer surface (102), and an inner surface (103) opposite to the outer surface (102), the inner surface (102) at least in part forming a cavity (104). The tubular body (101) comprises a first end face (107) and a second end face (108) arranged opposite to the first end face (107).

Abstract: The invention provides a method comprising 3D printing a 3D item (1), the method comprising co-depositing during a printing stage 3D printable material (201) and an elongated solid fiber (310) with a fused deposition modeling 3D printer (500) via a single nozzle (502), to provide the 3D item (1) comprising 3D printed material (202) with the elongated solid fiber (310) embedded therein.

Abstract: A luminescent converter 200, 220, 240, 260, a phosphor-enhanced light source and a luminaire are provided. The luminescent converter 200 comprises a first organic luminescent material 202, a second organic luminescent material 208 and a third inorganic luminescent material 206. The first organic luminescent material 202, the second organic luminescent material 208 and the inorganic luminescent material 206 absorb a portion of light emitted by the light source and/or absorbs a portion of light emitted by at least one of the other luminescent materials. The first organic luminescent material 202 converts at least a part of the absorbed light into light of a first color distribution. The second organic luminescent material 208 converts at least a part of the absorbed light into light of a second color distribution.

Abstract: A LED filament arrangement (100), comprising a plurality of LED filaments (110a, 110b), each LED filament comprising an array of a plurality of light emitting diodes (120), LEDs, arranged on an elongated carrier (70), wherein a first LED filament (110a) elongates along a respective first axis, Ai, and a second LED filament (110b) of the plurality of LED filaments elongates along a respective second axis, Bi, wherein a respective angle, ?i, between Ai and Bi fulfils |?i|>10°, a frame (200) comprising a plurality of first elements (210) defining a mesh structure of the frame, wherein a first element elongates along a respective first element axis, Ci, wherein a respective first angle, ?i, between Ai and Ci, and wherein a respective second angle, ?i, between Bi and Ci fulfils |?i|?|?i|, and a control unit configured to individually control the operation of the first and second LED filaments.

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, wherein the 3D printing stage comprises a reflective material deposition stage, wherein the reflective material deposition stage comprises: (A) providing 3D printable material (201) comprising (i) a polymeric matrix material (211) that is transmissive for UV radiation, especially wherein the polymeric matrix material (211) comprises thermoplastic material, and (ii) a reflective material (212) that is reflective for the UV radiation and that is at least partly enclosed by the polymeric matrix material (211); wherein the reflective material (212) comprises a first fluoropolymer; and (B) depositing the 3D printable material (201), to provide the 3D item (1) comprising 3D printed material (202) comprising the matrix material (211) and the reflective material (212).

Abstract: The invention provides a light generating system (1000) comprising (i) a first light generating device (110), an optical element (500), and a first converter material (210), wherein: (A) the first light generating device (110) is configured to generate first device light (111), wherein the first device light (111) comprises one or more of visible light and infrared radiation: (B) the optical element (500) is configured in a light receiving relationship with the first light generating device (110); wherein the optical element (500) is transmissive for the first device light (111): (C) the first converter material (210) is configured downstream of the optical element (500); wherein the first converter material (210) is configured to convert at least part of the first device light (111) transmitted by the optical element (500) into first converter material light (211): wherein the first light generating device (110) and the first converter material (210) are selected such that the first converter material light

Abstract: A light emitting device (1) comprising at least one LED filament (2) adapted for, in operation, emitting LED filament light, the at least one LED filament comprising a carrier (6) and a plurality of LEDs (5) arranged on the carrier and adapted for, in operation, emitting LED light, and a heat sink element (3), the at least one LED filament (2) being arranged extending spiraling around a vertical center axis LA of the light emitting device, wherein the heat sink element (3) further is arranged extending spiraling around the vertical center axis of the light emitting device, and wherein the heat sink element (3) is arranged extending from the at least one LED filament towards the vertical center axis of the light emitting device.

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) configured to generate one or more of UV and blue first light source light (111), wherein the first light source (110) is a first laser light source (10); a second light source (120) configured to generated green second light source light (121), wherein the second light source (120) is a second laser light source (20); a third light source (130) configured to generate red third light source light (131), wherein the third light source (130) is a third laser light source (30); a fourth light source (140) configured to generate blue fourth light source light (141), wherein the fourth light source (140) is a fourth laser light source (40); a first luminescent material (210) 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

Abstract: There is provided a light emitting diode, LED, filament lamp (100) which provides LED filament lamp light (100?). The LED filament comprises a first linear array of LEDs (101) and a second linear array of LEDs (106), and a carrier (103). The first linear array of LEDs (101) are arranged on a first surface (102) of the carrier (103) and includes only first LEDs (104) which are configured to emit first white light (105). The second linear array of LEDs (106) are arranged on a second surface (107) of the carrier (103), opposite to said first surface (102), and includes only second LEDs (108) which are configured to emit color controllable light (109). The LED filament light (100?) comprises the first white light (105) and/or the color controllable light (109).

Abstract: A laser light source comprises a laser source and a ceramic phosphor tile having a light entry face for receiving laser light from the laser source for laser pumping by the laser light. A reflective coating is formed over a face opposite the light entry face. A metal layer is provided between a heat sink and the ceramic phosphor tile, wherein the metal layer has a melting point below 120° C. The metal layer thus becomes a liquid during operating temperatures, and this reduced strain on the phosphor layer while maintaining thermal contact.

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: 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: A light emitting diode, LED, filament (100, 310), comprising a plurality of light emitting diodes (110, 150, 155, 250, 255), LEDs, wherein the LED filament comprises a center axis, A, and elongates in a meandering shape in a first plane, P, wherein a first portion (120, 220) of the LED filament, which elongates along the center axis, A, comprises an array of the plurality of LEDs and an encapsulant (210) at least partially enclosing the array of the plurality of LEDs, and a second portion (140, 240) of the LED filament, which elongates along the center axis, A, comprises a distribution of LEDs (150, 155) of the plurality of LEDs, and wherein the first portion and the second portion of the LED filament are arranged on opposite sides with respect to the first plane, P.

Abstract: A lighting arrangement (10) is disclosed, comprising a substrate (11) for mechanically and electrically connecting at least one light-emitting element (12) thereto. The substrate (11) comprises at least a first side (13) and a second side (14), and a circumferential edge (20) along a periphery of the substrate, the circumferential edge (20) extending between the first side (13) and the second side (14), and at least one electrically conductive region (16) disposed on the first side (13). The lighting arrangement (10) comprises at least one thermally conductive element (18) arranged such that the at least one thermally conductive element (18) is coupled to at least a portion of the second side (14) and to at least a portion of an outer surface (17) of the circumferential edge (20), and such that the at least one thermally conductive element (18) is not coupled to the at least one electrically conducting region (16).

Abstract: The invention provides a light generating device (1000) configured to generate device light (1001), wherein the light generating device (1000) comprises (i) a first light source (110) configured to generate blue first light source light (111), wherein the first light source (110) is a first laser light source (10), (ii) a first luminescent material (210) configured to convert part of the blue first light source light (111) into first luminescent material light (211) having an emission band having wavelengths in one or more of the green and yellow, (iii) an optical filter (410) configured to optically filter the first luminescent material light (211) into optically filtered first luminescent material light (213), whereby the optically filtered first luminescent material light (213) is red-shifted relative to the first luminescent material light (211), and (iv) a second light source (120) configured to generate red second light source light (121), wherein the second light source (120) comprises a second laser l