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 light generating system (1000) configured to generate in an operational mode system light (1001) having a spectral power distribution with at least 85% of the spectral power in emission bands (111, 121, 131, 141) in four basic wavelength ranges of each at maximum 50 nm width, of which at least three of the four basic wavelength ranges are selected from a first wavelength range of 452 nm+/?25 nm, a second wavelength range of 504 nm+/?25 nm, a third wavelength range of 560 nm+/?25 nm, and a fourth wavelength range of 617.5 nm+/?25 nm, wherein the emission bands (111, 121, 131, 141) have full width half maxima of at maximum 30 nm.

Abstract: A light guide (1) for a lighting device (8) is provided. The light guide (1) comprises an incoupling element (2) configured for receiving light and coupling the received light into the light guide (1). The light guide (1) is configured to convey the received light within the light guide (1). The light guide (1) comprises at least a first group and a second group of conically shaped outcoupling surface structures (3) distributed on, and recessed into or protruding from, a side (4) of the light guide (1). Each conically shaped outcoupling surface structure (3) is configured for coupling of light out of the light guide (1). Further, each conically shaped outcoupling surface structure (3) of the first group is geometrically characterized by a shape in accordance with a first cone or conical frustum (5) and each conically shaped outcoupling surface structure (3) of the second group is geometrically characterized by a shape in accordance with a second cone or conical frustum (6).

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: An LED luminaire, which comprises an LED array of LED elements and an optical element. The optical element comprises one or more partially reflective or partially transmissive elements, which are positioned to lie perpendicular to a plane of the LED array. In this way, the partially reflective elements create virtual sources or virtual LED elements, by reflecting part of the light emitted by an LED element, whilst allowing the original or “real” LED element to still be visible by partially transmitting the light.

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) comprising (i) a plurality of n light sources (100), and (ii) an optical component (1200) comprising an array (200) of prismatic elements (300), wherein: (a) the plurality of n light sources (100) comprise a first subset of one or more first light sources (110) configured to generate collimated first light source light (111) and a second subset of one or more second light sources (120) configured to generate collimated second light source light (121), wherein n>2; (b) the array (200) of prismatic elements (300) is configured in a light receiving relationship with the n light sources (100), wherein the array of prismatic elements (300) comprises k1 parallel arranged first prismatic faces (201) and k2 parallel arranged second prismatic faces (202), wherein k1>2 and wherein k2>2, wherein the first prismatic faces (201) and the second prismatic faces (202) are not mutually parallel; (c) the first light sources (110) are configured to irradiate the f

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: The invention provides a system (1000) comprising (i) a luminescent body (200) and (ii) a two-phase cooling device (400), wherein the two-phase cooling device (400) has a device wall (410), wherein the device wall (410) defines an chamber (450), wherein the device wall (410) comprises a tapering section (405) comprising a contact region (406), wherein the tapering section (405) tapers to the contact region (406), wherein the luminescent 5 body (200) is thermally coupled to the contact region (406), and wherein the device wall (410) has a first thickness d1 at the contact region (406), wherein d1 is selected from the range of 0.15-0.35 mm.

Abstract: The lighting device includes a lens array having a plurality of lenses and a focal surface located at a focal distance from the lens array, a light source array having a plurality of light sources arranged to emit light towards the lens array with a light output distributed around a primary axis, and a cover layer having a light-transmissive surface portion delimiting light exit openings. The cover layer is positioned to substantially coincides with the focal surface. Each light source forms a combination with a closest lens, each combination having, in a plane perpendicular to the primary axis, a displacement length and a displacement direction, such that there are least two different displacement lengths and at least two different displacement directions.

Abstract: A lighting device (1) is provided. The lighting device (1) comprises a light-transmissive enclosure (10) and alight source (30). The light-transmissive enclosure (10) has an outer surface (11) and an inner surface (12) opposite to the outer surface (11). The inner surface (12) at least in part forming a cavity (20). The light-transmissive enclosure (10) has an opening (15) lying in a transverse plane (P1). The light source (30) is arranged on the transverse plane (P1), or on a side of the transverse plane (P1) opposite of the light-transmissive enclosure (10), and configured to emit light into the cavity (20). The light-transmissive enclosure (10) is arranged around a longitudinal axis (L), the longitudinal axis (L) lying in a longitudinal plane that is perpendicular to the transverse plane (P1). The light-transmissive enclosure (10) has a first part (101) and a second part (102) separated from each other by the longitudinal plane (P2).

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 light source (120) of second light source light (121), and a second 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 437-472 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,

Abstract: The invention provides a system (1000) comprising (i) a luminescent body (200) and (ii) a two-phase cooling device (400), wherein the two-phase cooling device (400) has a device wall (410), wherein the device wall (410) defines an chamber (450), wherein the device wall (410) comprises a tapering section (405) comprising a contact region (406), wherein the tapering section (405) tapers to the contact region (406), wherein the luminescent 5 body (200) is thermally coupled to the contact region (406), and wherein the device wall (410) has a first thickness d1 at the contact region (406), wherein d1 is selected from the range of 0.15-0.35 mm.

Abstract: The invention provides a light generating system (1000) comprising a light source (110), a luminescent material (210), and a control system (300), wherein: —the light source (110) is configured in an operational mode to generate pulsed light source light (111) having a pulse frequency fper and a duty cycle d; —the luminescent material (210) is configured to convert part of the light source light (111) into luminescent material light (211), wherein the luminescent material light (211) has a luminescence decay time ?L; —the light generating system (1000) is configured in the operational mode to generate system light (1001) comprising light source light (111) and the luminescent material light (211); wherein the system light (1001) has a variable color point; and —the control system (300) is configured in the operational mode to control the color point by controlling one or more of the pulse frequency fper and the duty cycle d, wherein fper?1/(10*?L).

Abstract: The invention provides an arrangement (1) comprising a device (1000), wherein the device (1000) comprises a luminescent material comprising element (100) and a light transmissive element (200), wherein: (a) the device (1000) has a first device axis (A1); (b) the luminescent material comprising element (100) comprises a luminescent material (110) configured to emit luminescent material light (111) upon irradiation with first light (11), wherein the luminescent material comprising element (100) has a first length (L1) and a characteristic first dimension (D1) perpendicular to the first length (L1), wherein D1/L1<1; wherein the luminescent material comprising element (100) is configured at a non-zero first distance (r1) from the first device axis (A1), and wherein the luminescent material comprising element (100) at least partly surrounds the first device axis (A1); (c) the light transmissive element (200) is transmissive for the first light (11), wherein the light transmissive element (200) comprises a eleme

Abstract: A lighting device (1) comprising a light generating element (2; 3), and a micro-lens array (4) comprising a focal plane (Fp), wherein the light generating element (2; 3) is arranged to emit a light output towards the micro-lens array (4), wherein the lighting device (1) comprises an array of micro-logos (81-83), and wherein the array of micro-logos (81-83) is located in the focal plane (Fp) of the micro-lens array (4).

Abstract: An LED luminaire, which comprises an LED array of LED elements and an optical element. The optical element comprises one or more partially reflective or partially transmissive elements, which are positioned to lie perpendicular to a plane of the LED array. In this way, the partially reflective elements create virtual sources or virtual LED elements, by reflecting part of the light emitted by an LED element, whilst allowing the original or “real” LED element to still be visible by partially transmitting the light.

Abstract: The invention provides a light generating device (100) comprising a light source (10) and a sheet-like light guide (200), wherein: —the light source (10) is configured to generate visible light (11); —the sheet-like light guide (200) has a first edge (201), configured in a light receiving relationship with the light source (10); wherein the sheet-like light guide (200) comprises light outcoupling structures (290); wherein the sheet-like light guide (200) and the light source (10) are configured such that part of the light source light (11) propagates through the sheet-like light guide (200), and at least part of the light propagating through the sheet-like light guide (200) escapes from the sheet-like light guide (200) via the light outcoupling structures (290); —the sheet-like light guide (200) comprises a first part (270) having a first tangential (T1) in a second plane (P2) perpendicular to a first plane (P1), wherein the first tangential (T1) has a first angle (?1) with the first plane (P1); —the sheet-li

Abstract: A lighting device (1) comprising a light generating element (2; 3), and a micro-lens (4) comprising a focal plane (Fp), wherein the light generating element (2; 3) comprises a first light generating component (2) and a second light generating component (3), wherein the first light generating component (2) comprises a light emitting surface (28) adapted for providing a diffuse light output component, wherein the second light generating component (3) comprises at least one array of light sources (3) adapted for providing a directional light output component, wherein the light generating element (2; 3) is arranged to emit a light output towards the micro-lens array (4), the light output being formed by a superposition of the diffuse light output component and the directional light N output component, and wherein the array of the light sources (3) is located in the focal plane (Fp) of the micro-lens array (4).

Abstract: The invention provides an arrangement (1) comprising a device (1000), wherein the device (1000) comprises a luminescent material comprising element (100) and a light transmissive element (200), wherein: (a) the device (1000) has a first device axis (A1); (b) the luminescent material comprising element (100) comprises a luminescent material (110) configured to emit luminescent material light (111) upon irradiation with first light (11), wherein the luminescent material comprising element (100) has a first length (L1) and a characteristic first dimension (D1) perpendicular to the first length (L1), wherein D1/L1<1; wherein the luminescent material comprising element (100) is configured at a non-zero first distance (r1) from the first device axis (A1), and wherein the luminescent material comprising element (100) at least partly surrounds the first device axis (A1); (c) the light transmissive element (200) is transmissive for the first light (11), wherein the light transmissive element (200) comprises a eleme