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: 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: 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

Abstract: The present invention relates to a method for producing a 3D item (1) by means of fused deposition modelling, the method comprising the step of: a) layer-wise depositing a first 3D printable material (4) and a second 3D printable material (5) to provide the 3D item (1) comprising a layer stack (2) having an exposed surface (3), wherein the first 3D printable material (4) has a first polarity and a first porosity; wherein the second 3D printable material (5) has a second polarity and a second porosity; the first polarity being different from the second polarity and/or the first porosity being different from the second porosity; wherein the first 3D printable material (4) forms a first surface portion (4?) of the exposed surface (3) of the layer stack (2), and the second 3D printable material (5) forms a second surface portion (5?) of the exposed surface (3) of the layer stack (2); wherein the method further comprises the step of: b) applying a coating (7) on the second surface portion (5?) of the exposed surfa

Abstract: A LED light source filament arrangement (1) configured to, in operation, emit LED filament light (2), the LED light source filament (1) arrangement comprising a first plurality of LED light sources (3) configured to, in operation, emit first LED light source light (4), the first LED light source light comprising blue LED light source light, a second plurality of LED light sources (5) configured to, in operation, emit second LED light source light (6), the second LED light source light comprising red LED light source light, and a luminescent layer (7) covering at least a part of the first plurality of LED light sources (3) and at least a part of the second plurality of LED light sources (5), the luminescent layer (7) being configured to convert at least 88% of the blue LED light source light (4) into converted light (8), the converted light (8) being one or more of green and yellow light, and the second plurality of LED light sources (5) being arranged in a successional configuration without any LED light sour

Abstract: An outdoor luminaire for a streetlight includes an antenna system for transmitting and/or receiving wireless signals as well as a wireless communications module. The antenna system comprises at least one antenna housed within an antenna enclosure which allows the passage of the wireless signals. The outer housing comprises a recessed portion having a recess opening in the outer housing at the back of the recessed portion. The antenna enclosure sits within or behind the recess opening, such that the antenna enclosure is set back from the front opening all around the antenna enclosure.

Abstract: A LED filament lamp (1) providing, in operation, LED filament lamp light and comprising a LED filament (21-24) emitting, in operation, LED filament light and comprising LEDs (3-6) emitting, in operation, LED light and arranged on an elongated carrier (7-10), an elongated encapsulant (11-14) covering the plurality of LEDs (3-6) and at least part of the elongated carrier (7-10), the elongated encapsulant (11-14) comprising a first luminescent material (38) configured to convert at least a part of the LED light into converted light and/or a light scattering material (39) configured to scatter at least a part of the LED light into scattered light, a base (17) configured to, electrically and mechanically, connect the LED filament lamp (1) to a socket (51) of a luminaire (50), a translucent envelope (15) at least partly enclosing said LED filament (21-24) and mounted to the base (17), and the translucent envelope (15 ) comprising a second luminescent material (37) which comprises one or more of an organic phosphor

Abstract: The invention provides a light generating system (1000) comprising (a) a plurality of sets (150) of light generating devices (100) and (b) a luminescent material (200), wherein: the light generating devices (100) are configured in an array (40); the light generating devices (100) are configured to generate device light (101); wherein the light generating devices (100) comprise solid state light sources; the plurality of sets (150) of light generating devices (100) comprises at least three sets (50) of light generating devices (100), wherein the light generating devices (100) of different sets mutually differ in peak wavelengths (?p) of the device light (101), wherein at least one set (50) of light generating devices (100) is configured to generate device light (111) having a peak wavelength (?pb) in the blue wavelength range, wherein at least two different sets (50) of light generating devices (100) are configured to generate device light (101) comprising UV radiation with at least two different peak waveleng

Abstract: A LED filament arrangement (100), comprising a first LED filament(s) (110), comprising (a) first array(s) (125) of first LEDs (130) emitting first LED light (13 5). The first LED filament(s) further comprises (a) first encapsulant(s) (140) enclosing the first array(s) of first LEDs. The first encapsulant(s) comprises a first luminescent material (145) configured to convert the emitted first LED light into first converted light (150). The LED filament arrangement further comprises a second LED filament(s) (155), comprising (a) second array(s) (170) of second LEDs (175) emitting second LED light (180), wherein the emitted second LED light is cyan light. Any of the first LED filament(s) is arranged at at least a distance, D, from any of the second LED filament(s). The LED filament arrangement further comprises a controller (185) coupled to, and configured to individually control, the first array(s) 0f the first LEDs and the second array(s) of second LEDs.

Abstract: A light emitting diode, LED, filament arrangement (1) comprising at least one first filament (3) configured to, in operation, emit first light having a first correlated color temperature, CCT1, at least one second filament (4) configured to, in operation, emit second light having a second correlated color temperature, CCT2, where CCT2>CCT1, and at least one third filament (5) configured to, in operation, emit third light having a third color temperature, CCT3, where CCT3>CCT2, where each of the at least one first, second and third filament (3; 4; 5) comprises a carrier (31; 41; 51) of elongated shape, where a plurality of light emitting diodes (32; 42; 52) is arranged on the carrier (31; 41; 51), and a control unit (6) configured to control a first luminous flux, L1, of the first light, a second luminous flux, L2, of the second light and a third luminous flux, L3, of the third light according to at least one predetermined setting in order to control the total correlated color temperature, CCTtot, of the

Abstract: A lighting control method includes receiving sweat data from a sensor that is in proximity of a person in an area. The sensor is configured to sense sweat produced by the person. The method further includes processing the sweat data to determine one or more parameters related to one or more sweat components of the sweat and adjusting a spectral distribution of an illumination light at least based on the one or more parameters, where the illumination light is provided by one or more lighting devices that are in the area.

Abstract: A LED filament lamp (1) adapted for, in operation, emitting LED filament lamp light, the LED filament lamp (1) comprising at least two rigid electrically conducting wires (2, 3), one or more LED filaments (41-43), a controller (6), a radio (25) and at least one antenna (5), where the one or more LED filaments (41-43) are mechanically and electrically connected to the at least two rigid electrically conducting wires (2, 3) and the rigid electrically conducting wires (2, 3) are electrically connected to the controller (6), where the at least one antenna (5) is mechanically connected to but electrically isolated from the at least two rigid electrically conducting wires (2, 3), where the controller (6) is functionally coupled to the radio (25), where the at least one antenna (5) is electrically coupled to the controller (6), and where the antenna (5) is spaced apart from each of the one or more LED filaments (41-43) by a distance D.

Abstract: The invention provides a light generating system (1000) comprising a first light generating device (110), a second light generating device (120), a third light generating device (130), a luminescent material (200), and a control system (300), wherein: —the first light generating device (110) is configured to generate first device light (111) having a first dominant wavelength (?1) selected from the wavelength range of 380-430 nm; the second light generating device (120) is configured to generate second device light (121) having a second dominant wavelength (?2) selected from the wavelength range of 430-470 mn; the third light generating device (130) is configured to generate third device light (131) having a third dominant wavelength (?3) selected from the wavelength range of 470-520 nm; wherein ?1<?2<?3; —the luminescent material (200) is configured to convert (a) at least part of the first device light (111) received by the luminescent material (200) into luminescent material light (201), (b) at least

Abstract: The invention provides a light generating system (1000) comprising a light generating device (100), a lightguide (400), and a light collimating reflector (200), wherein the light generating device (100) is configured to generate device light (101); wherein the light generating device (100) comprises a solid state light source; wherein the lightguide (400) comprises a first lightguide face (410), a second lightguide face (420), and a side face (430) bridging the first lightguide face (410) and the second lightguide face (420); wherein the lightguide (400) comprises light outcoupling elements (600) (comprised by one or more of lightguide faces (410,420) and/or arranged in the lightguide (400)); wherein the first lightguide face (410) comprises a surface area A1; the first lightguide face (410) comprises (a) an inner surface part (455), having an inner surface area A11, and (b) an outer surface part (465), surrounding the inner surface part (455), (the outer surface part (465)) having an outer surface area A12;

Abstract: The present invention relates to an LED filament (10) comprising: an at least partially light-transmissive elongated carrier (14); first LEDs (20) configured to emit first LED light (22) and distributed along the carrier on a first surface thereof; a first elongated translucent layer (26) comprising a first luminescent material arranged to at least partly convert said first LED light into first converted light (28); an elongated reflective layer (30) arranged to at least partially cover said first elongated translucent layer, such that at least part of said first converted light is transmitted through said at least partially light-transmissive elongated carrier; and second LEDs (32a-c) configured to emit second LED light (34) and distributed along the carrier on a second surface thereof, wherein the second LEDs comprise blue LEDs (32a), green LEDs (32b), and red LEDs (32c); wherein said second surface of the carrier is free from an encapsulant or comprises an encapsulant (38) being free from a luminescent mat

Abstract: The field of the present invention is a LED filament lamp (7) for illumination wherein at least one LED filament lamp (7) is configured to emit a polarized light. The LED filament lamp (7) comprises at least one LED filament (1) and an encapsulated volume (V) having an envelope (10) comprising a light exit window, inside of which the LED filament (1) is arranged. The LED filament (1) or LED filaments (11,12) comprises a plurality of LEDs (3) arranged on a filament carrier (2). At least one polarizer (5) is arranged relative to the LED filament (1). The polarizer (5) is configured to provide a polarization direction of light. The polarizer (5) encloses or partially encloses the at least one LED filament (1), such that the light or part of the light emitted from the LED filament lamp (7) may be polarized light or non-polarized.

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, 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 device light and/or the second device light (121) received by the luminescent material (200) into luminescent material light (201); (D)