Abstract: The invention provides a lighting system (1000), wherein the lighting system (1000) comprises np system sections (100), wherein nF?2, wherein each system section (100) comprises a light source array section (110), a collimator section (120), and a Koehler integrator section (130), wherein: for each of the system sections (100) applies: the light source array section (110) comprises a plurality of section light sources (10) configured to provide light source light (11); the Koehler integrator section (120) comprises a section entrance face (131) and a section exit face (136), wherein the section entrance face comprises a plurality of section entrance lenslets (132) shaped according to an section entrance surface pattern (31), and wherein the section exit face (136) comprises a plurality of section exit lenslets (137) shaped according to a section exit surface

Abstract: A lighting arrangement (100), comprising: LEDs (110), a PCB (120) arranged to support the LEDs, a light guide element (130) configured to guide light emitted from the LEDs, wherein the light guide element is plate-shaped and arranged in a plane, P, and wherein the LEDs are arranged at an edge (140) of the light guide element, a support structure (150) fastened to the PCB and arranged at at least a first edge portion (155) of the light guide element, wherein the support structure comprises a groove (190), wherein the lighting arrangement further comprises a cover plate (200) comprising flanges (210) matingly and biasedly arranged in the groove, whereby the support structure, via first (160) and second portions (170) thereof, clamp the at least a first edge portion of the light guide element for positioning of the LEDs at the edge of the light guide element.

Abstract: A lighting arrangement (100), comprising: LEDs (110), a PCB (120) arranged to support the LEDs, a light guide element (130) configured to guide light emitted from the LEDs, wherein the light guide element is plate-shaped and arranged in a plane, P, and wherein the LEDs are arranged at an edge (140) of the light guide element, a support structure (150) fastened to the PCB and arranged at at least a first edge portion (155) of the light guide element, wherein the support structure comprises a groove (190), wherein the lighting arrangement further comprises a cover plate (200) comprising flanges (210) matingly and biasedly arranged in the groove, whereby the support structure, via first (160) and second portions (170) thereof, clamp the at least a first edge portion of the light guide element for positioning of the LEDs at the edge of the light guide element.

Abstract: This invention relates to an optical detector (100) that has enhanced sensitivity for detecting optical signals originating from larger incidence angles. The optical detector (100) may also be used for determining optical signals originating direction. The optical detector (100) comprises a photodetector (101) and a lens (103). The photodetector (101) has a center axis (102) that is lying in a center plane (001) perpendicular to a photodetector plane (002). The lens has a first lens segment (131) and a second lens segment (132) separated by the centerplane (001). The first lens segment (131) comprises a first light receiving surface (133) and a first light exit surface (135), and the first light exit surface (135) is facing the photodetector (101). The second lens segment (132) comprises a second light receiving surface (134) and a second light exit surface (136), and the second light exit surface (134) is facing the photodetector (101).

Abstract: A light emitting device (1) adapted for projecting a light beam (15) onto a target surface, the light emitting device (1) comprising a light engine (2) comprising a light source (3), a light mixing chamber (4), and an optical component (5) having a spherical shape with a curved light-receiving surface (51), where the light source (3) is arranged to, in operation, emit light towards a light exit window (41) of the at least one light mixing 5 chamber, the light exit window (41) of the at least one light mixing chamber (4) thereby acting as an extended light source with a curved light-emitting surface, where the optical component (5) is provided adjacent to the light exit window (41) of the light mixing chamber, and where the curved light emitting surface of the at least one light mixing chamber (4) is conformal to an the curved light-receiving surface (51) of the optical component (5) and 10 coincident with a focal surface (52) of the optical component (5).

Abstract: The invention relates to a luminaire comprising a stack of parallel light transmissive transparent plates comprising a light guide plate and an optical plate. The light guide plate comprises a first and a second major light guide surface and a circumferential edge-wall and is edge-lit by LEDs. At least one of the major light guide surfaces is provided with a light outcoupling structure comprising outcoupling elements arranged at a first pitch P1. The optical plate comprises a first and a second major optical surface, the first major optical surface facing towards the second major light guide surface and only one of the first and second major optical surfaces being provided with an optical structure comprising optical elements arranged at a second pitch P2. The second major light guide surface and the first major optical surface are spaced apart in a direction perpendicular to the major light guide surface by a spacing S, with S being in the range of 0-12 mm.

Abstract: The invention provides a light generating system (1000), comprising a plurality of light sources (10), an elongated luminescent body (100), and a body holder structure (2000), wherein: the plurality of light sources (10) are configured to provide light source light (11), wherein the light sources (10) are solid state light sources, wherein the plurality of light sources (10) are configured in a light source array (15); the elongated luminescent body (100) has a length (L) and a width (W), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of light source light (11) into luminescent material light (8), wherein the elongated luminescent body (100) and the light source array (15) are configured parallel; the body holder structure (2000) comprises an elongated slit (205) for hosting the elongated luminescent body (100), wherein the elongated slit (205) has a cavity wall (1205) defining the elongated slit (205) and a slit opening (1206), wherein

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 light generating system (1000) comprising a plurality of light sources (10) configured to provide light source light (11), an elongated luminescent body (100) having a first face (141) and a second face (142) defining a length (L) of the elongated luminescent body (100), the elongated luminescent body comprising one or more side faces (140), the elongated luminescent body (100) comprising a radiation input face (111) and the second face (142) comprising a first radiation exit window (112), wherein the radiation input face (111) is configured in a light receiving relationship with the plurality of light sources (10), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of the light source light (11) into luminescent material light (8), and a beam shaping optical element (224).

Abstract: The invention relates to a luminaire comprising a stack of parallel light transmissive transparent plates comprising a light guide plate and an optical plate. The light guide plate comprises a first and a second major light guide surface and a circumferential edge-wall and is edge-lit by LEDs. At least one of the major light guide surfaces is provided with a light outcoupling structure comprising outcoupling elements arranged at a first pitch P1. The optical plate comprises a first and a second major optical surface, the first major optical surface facing towards the second major light guide surface and only one of the first and second major optical surfaces being provided with an optical structure comprising optical elements arranged at a second pitch P2. The second major light guide surface and the first major optical surface are spaced apart in a direction perpendicular to the major light guide surface by a spacing S, with S being in the range of 0-12 mm.

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: 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: A light generating system (1000) comprising a plurality of light sources (10) configured to provide light source light (11), an elongated luminescent body (100) having a first face (141) and a second face (142) defining a length (L) of the elongated luminescent body (100), the elongated luminescent body comprising one or more side faces (140), the elongated luminescent body (100) comprising a radiation input face (111) and the second face (142) comprising a first radiation exit window (112), wherein the radiation input face (111) is configured in a light receiving relationship with the plurality of light sources (10), wherein the elongated lumines-cent body (100) comprises luminescent material (120) configured to convert at least part of the light source light (11) into luminescent material light (8), and a beam shaping optical element (224).

Abstract: The invention provides an elongated luminescent body (100) comprising an elongated support (170) and a coating layer (180), wherein the elongated luminescent body (100) further comprises a body axis (BA), and a length parameter P of a body dimension perpendicular to the body axis (BA), wherein the length parameter P is selected from height (H), width (W) and diameter (D), wherein: —the elongated support (170) comprises a support material (171), a support material index of refraction n1, wherein the support material index of refraction n1 is at least 1.4, a support surface (172), and a support length (L1); —the coating layer (180) is configured on at least part of the support surface (172) over at least part of the support length (L1), wherein the coating layer (180) comprises a coating layer material (181), a coating layer index of refraction n2, wherein coating layer index of refraction n2 is at least 1.

Abstract: The invention provides a light generating system (1000), comprising a plurality of light sources (10), an elongated luminescent body (100), and a body holder structure (2000), wherein: —the plurality of light sources (10) are configured to provide light source light (11), wherein the light sources (10) are solid state light sources, wherein the plurality of light sources (10) are configured in a light source array (15); —the elongated luminescent body (100) has a length (L) and a width (W), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of light source light (11) into luminescent material light (8), wherein the elongated luminescent body (100) and the light source array (15) are configured parallel; —the body holder structure (2000) comprises an elongated slit (205) for hosting the elongated luminescent body (100), wherein the elongated slit (205) has a cavity wall (1205) defining the elongated slit (205) and a slit opening (1206), wherein

Abstract: The invention relates to a lighting device with a relatively simple construction that it is arranged to provide a sparkling light effect. The lighting device comprises (i) a lens array (110) having a plurality of lenses (110a-d) and a focal surface (111) located at a focal distance from the lens array (110), and (ii) a light source array (120) having a plurality of light sources (120a-d), each light source (120a-d) being arranged to emit light towards the lens array (110) with a light output distributed around a primary axis (121a-d), the light sources (120a-d) together defining a light-emitting surface (122) of the light source array (120). The light-emitting surface (122) of the light source array (120) substantially coincides with the focal surface (111) of the lens array (110).

Abstract: A light emitting device (1) adapted for projecting a light beam (15) onto a target surface, the light emitting device (1) comprising a light engine (2) comprising a light source (3), a light mixing chamber (4), and an optical component (5) having a spherical shape with a curved light-receiving surface (51), where the light source (3) is arranged to, in operation, emit light towards a light exit window (41) of the at least one light mixing 5 chamber, the light exit window (41) of the at least one light mixing chamber (4) thereby acting as an extended light source with a curved light-emitting surface, where the optical component (5) is provided adjacent to the light exit window (41) of the light mixing chamber, and where the curved light emitting surface of the at least one light mixing chamber (4) is conformal to an the curved light-receiving surface (51) of the optical component (5) and 10 coincident with a focal surface (52) of the optical component (5).

Abstract: The invention provides an elongated luminescent body (100) comprising an elongated support (170) and a coating layer (180), wherein the elongated luminescent body (100) further comprises a body axis (BA), and a length parameter P of a body dimension perpendicular to the body axis (BA), wherein the length parameter P is selected from height (H), width (W) and diameter (D), wherein:—the elongated support (170) comprises a support material (171), a support material index of refraction n1, wherein the support material index of refraction n1 is at least 1.4, a support surface (172), and a support length (L1);—the coating layer (180) is configured on at least part of the support surface (172) over at least part of the support length (L1), wherein the coating layer (180) comprises a coating layer material (181), a coating layer index of refraction n2, wherein coating layer index of refraction n2 is at least 1.

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: 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).