Abstract: The present disclosure relates to a LED filament system (100) comprising a LED filament arrangement (105) and a controller (120). The LED filament arrangement comprises a plurality of LED filaments (110a-c). The LED filaments are interwound around a common central axis (A) such that each LED filament has a spiral-shape. In the LED filament arrangement, two neighboring LED filaments differ by a translation pitch (t) along the central axis. The controller is configured to control power supply to the LED filaments such that at least one of the plurality of LED filaments is individually controllable. The controller is further configured to control the power supply to the LED filaments in a first mode, in which all of the LED filaments are in an on-state and the controller provides power supply above a first power level to the LED filaments. The controller is further configured to control the power supply to the LED filaments in a second mode in which at least one of the LED filaments is in an off-state.

Abstract: The invention provides a LED filament device (1000) comprising a LED filament (1100), wherein the LED filament (1100) comprises a plurality of sources of light (100), wherein: (a) the sources of light (100) are configured in an k*1 array (400) with k=2 columns (410,420); wherein the array (400) comprises a first set (401) of at least 20 sources of light (100) distributed over the columns (410,420); (b) in a first column (410) of the first set (401) at least 90% of the total number of sources of light (100) are selected from the group of (i) first sources of light (110) and fifth sources of light (150), with at least 40% of the total number of sources of light (100) comprising first sources of light (110), and with 0-60% of the total number of sources of light (100) comprising fifth sources of light (150); (c) in a second column (420) of the first set (401) at least 80% of the total number of sources of light (100) are selected from the group of second sources of light (120), third sources of light (130) and f

Abstract: The present invention relates to a light generating device (1) configured to generate device light (9), the light generating device comprising a first laser light source (2), a first frequency doubling element (4), a first luminescent element (6), and a light exit window (7). The first laser light source (2) is arranged for generating first laser light (3) being at least one of violet laser light having a first peak wavelength ?1 selected from a spectral wavelength range from 380 to 420 nm and blue laser light having a second peak wavelength ?2 selected from a spectral wavelength range from 420 to 490 nm. The first laser light (3) comprises at least a first portion (3?) and a second portion (3?).

Abstract: The invention provides a lighting device (1000) comprising: —a first light source (110) configured to generate first light source light (111), having a first light source light spectral power distribution, wherein the first light source (110) comprises a laser light source (10), and wherein the first light source light (111) has an optical axis (0); —a first converter material (215), comprising 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 a first luminescent material light spectral power distribution, wherein the first luminescent material light (211) has one or more wavelengths in the green and/or yellow wavelength range; —a second converter material (225), comprising a second luminescent material (220), configured to convert part of the first luminescent material light (211) into second luminescent material light (221) having a second luminescent material light spectral power distribution diff

Abstract: A controller (1) configured to control properties of light emitted from a light emitting device (4), the controller comprises a control device (2) and a processing unit (3). The control device (2) enables a user to select a color point of the light emitted from the light emitting device (4) in a color space of the light emitting device. The selection of the color point is done by the user providing a single input to the control device (2). The processing unit (3) being configured to change the color point of light emitted from the light emitting device based on the single input. The change of the color point is done along a meandering curve extending along the black body locus (BBL) in accordance with the received single input.

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 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: The invention provides alighting system (1000) configured to generate lighting system light (1001), wherein the lighting system light (1001) comprises one or more of (i) a first lighting system light component (1101) having a first component optical power Wopt,comp1, and (ii) a second lighting system light component (1201) having a second component optical power Wopt,comp2; wherein the lighting system (1000) comprises: —a first light source (110) comprising a first pump light source (10) configured to generate first pump light source light (11) and a luminescent material (200) configured to convert at least part of the first pump light source light (11) into luminescent material light (201), wherein the first light source (110) optionally in combination with first optics (115) is configured to provide the first lighting system light component (1101), wherein the first lighting system light component (1101) comprises at least part of the luminescent material light (201), wherein the first lighting system light

Abstract: A lighting device (100), comprising a plurality of light sources (110), a cover (120) comprising an at least partially light-transmissive material, wherein the cover at least partially encloses the plurality of light sources, and a plurality of reflectors (130) arranged within the cover and at respective peripheral portions of the cover, wherein a first set of light sources (140) is arranged within the plurality of reflectors such that the light sources within each reflector is configured to emit a respective bundle of light from the lighting device, and wherein a second set of light sources (150) is arranged outside the plurality of reflectors and configured to emit light from the lighting device, wherein the lighting device further comprises a control unit (160) configured to individually control the operation of the first and second sets of light sources.

Abstract: A light emitting system (1) for disinfecting a target area (5), the light emitting system (1) comprising a first light emitting device (2) comprising a first light source (21) configured to, in operation, emit a first UV light beam (22) towards the target area (5), and a second light emitting device (3) comprising a second light source (31) configured to, in operation, emit a second UV light beam (32) towards the target area (5), the first light emitting device (2) and the second light emitting device (3) being arranged spaced apart from one another in a direction perpendicular to vertical, and the first light source (21) and the second light source (31) being arranged such that, in operation, the first UV light beam (22) and the second UV light beam (32) are emitted in such respective directions that the first UV light beam and the second UV light beam form an exposure overlap at the target area.

Abstract: The invention provides a luminescent arrangement (2000) comprising an array (2005) of luminescent bodies (2100), and a matrix (2210) at least partly configured between the luminescent bodies (2100), wherein the luminescent bodies (2100) comprise a first luminescent material (2110), wherein the matrix (2210) comprise a light transmissive material (2215), wherein the light transmissive material (2215) comprises a second luminescent material (2220), wherein the first luminescent material (2110) and the light transmissive material (2215) are different materials; and wherein the luminescent bodies (2100) comprise ceramic bodies.

Abstract: The invention provides a light generating device (1000), wherein: (I) the light generating device (1000) comprises: (a) a first light source (110) configured to generate first light source light (111) having a first light source light spectral power distribution, wherein the first light source (110) comprises a first laser light source (10) configured to generate first laser light source light (11); (b) 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 a first luminescent material spectral power distribution having an emission at one or more wavelengths selected from the wavelength range of 590-780 nm, wherein the first luminescent material (210) is configured in an optical resonator (230); (II) the first light source (110) and the first luminescent material (210) are configured to generate first luminescent material laser light (1211) having a first luminescent material laser light spectral power dis

Abstract: The invention provides a light generating system (1000) comprising a solid state light source (100), a luminescent material element (210), a sensor element (400), and an electrical circuit (500), wherein: (a) the solid state light source (100) is configured to generate light source light (101), wherein the solid state light source (100) is functionally coupled to the electrical circuit (500); (b) the luminescent material element (210) comprises a luminescent material (200), wherein the luminescent material element (210) is configured in a light receiving relationship with the solid state light source (100), and wherein the luminescent material (200) is configured to convert at least part of the light source light (101) into luminescent material light (201); and (c) the sensor element (400) comprises a sensor component (410), wherein the sensor element (400) is comprised by the electrical circuit (500), wherein the sensor component (410) comprises a photo-resistor, wherein the photo-resistor has a variable res

Abstract: A lighting arrangement (100), comprising a first solid state light source (110) arranged to emit visible light, a second solid state light source (130) arranged to emit second light of at least one of violet light and ultraviolet (UV) light, a reflector (140) comprising at least one light-reflecting surface (145), wherein the reflector at least partially encloses the first and second solid state light sources, and wherein at least part of the reflector defines a mixing chamber (150) for mixing the visible light and the second light, a light exit window (160), wherein the visible light and the second light mixed by the mixing chamber are arranged to exit the lighting arrangement through the light exit window, and a third solid state light source (170) arranged to emit UV light, wherein the third solid state light source is arranged outside the mixing chamber.

Abstract: The invention provides a light generating system (1000) configured to provide system light (1001), wherein the light generating system (1000) comprises (i) a first light generating device (110), (ii) a second light generating device (120), and (iii) a waveguide (400), wherein:—the waveguide (400) has a first face (401), a second face (402), and a side face (403) bridging the first face (401) and the second face (402);—the first light generating device (110) is configured to generate first device light (111), wherein in an operational mode the first device light (111) has a color point in the visible; the first light generating device (110) is configured to irradiate the side face (403), wherein in an operational mode at least part of the first device light (111) escapes from the waveguide (400) via the first face (401); and—the second light generating device (120) is configured to generate second device light (121), wherein in an operational mode the second device light (121) has a centroid wavelength of at m

Abstract: The invention provides a light generating system (1000) comprising a light generating device (100), a luminescent material layer (200), and optics (400), wherein: (I) the light generating device (100) is configured to generate polarized laser radiation (101); (II) the luminescent material layer (200) comprises a luminescent material (210) configured in a light-receiving relationship with the light generating device (100) and configured to convert at least part of the polarized laser radiation (101) into luminescent material radiation (211); (III) the light generating system (1000) is configured to generate in an operational mode system light (1001) at least comprising the luminescent material radiation (211); (IV) the optics (400) comprise first optics (410) and second optics (420); wherein the first optics (410) are configured to change the polarization of the polarized laser radiation (101), and wherein the second optics (420) have one or more of (i) a polarization dependent transmission and (ii) a polariza

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: 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: A light emitting diode, LED, filament arrangement (100) comprising at least one LED filament (120) comprising a plurality of light emitting diodes, LEDs, (140). The LED filament arrangement further comprises a plurality of first sections (180) and a plurality of second sections (200), wherein the plurality of first sections (180) is configured to emit light of a first colour temperature, CT1, and with a first intensity, I1, during operation, and the plurality of second sections (200) is configured to emit light of a second colour temperature, CT2, and with a second intensity, 12, during operation, wherein at least one of CT1?CT2 and I1?I2 is fulfilled, and wherein at least two second sections of the plurality of second sections are adjacently arranged and arranged at least partially parallel to each other.

Abstract: A light emitting diode, LED, filament lamp (100), comprising at least one LED filament (120, 120a, 120b) having abase portion (210) and a top portion (22) extending over a length, L, along a longitudinal axis, A, wherein the LED filament comprises an array of a plurality of light emitting diodes, LEDs, (140) extending along the longitudinal axis A. An encapsulant (145) at least partially enclosing the plurality of LEDs, wherein the encapsulant comprises a luminescent material (150).