Abstract: A lighting device is provided that allows a reduced color separation. The lighting device is configured to emit light along an output direction. The lighting device comprises a base, two or more light emitting diode, LED, chips and a light transmissive dielectric material. The two or more LED chips are asymmetrically distributed on the base and are configured to emit light in the output direction. The light transmissive dielectric material may be embedding the two or more chips and includes luminescent material. A first chip of the one or more LED chips is arranged so that one corner of the first chip coincides, or at least closely, coincides with a central axis of the lighting device.

Abstract: A lighting strip (10) is disclosed comprising a carrier (11) carrying, on at least one of its major surfaces (13), a plurality of solid state lighting elements (15) distributed along an elongation direction of said carrier; a first optical arrangement (21) along said elongation direction for creating a first redistribution of a first portion of the luminous output of said solid state lighting elements; and a second optical arrangement (23) along said elongation direction for creating a second redistribution of a second portion of the luminous output of said solid state lighting elements, wherein the first redistribution is different to the second redistribution. A surface illumination kit including a plurality of such lighting strips is also disclosed.

Abstract: The invention provides a sensor unit (100) comprising a sensor array (120) having at least 100×100 sensor pixels (125), a lens system (200), and a light transmissive sensor window (300) comprising optical structures (320), wherein the light transmissive sensor window (300) is configured at a window distance (d) from said sensor array (120), wherein the lens system (200) is configured between the sensor array (120) and said sensor window (300), and wherein an object plane (OP) and an image plane (IP) defined by said lens system (200) and sensor array (120) have an object-image plane distance (d1) selected from the range of 0.1*d-2*d, wherein the optical structures (320) are configured in a pattern, wherein the optical structures (320) have one or more dimensions selected from length (L), width (W) and diameter (D) selected from the range of 50 ?m-20 mm, and wherein neighboring optical structures (320) shortest distances (d2) selected from the range of 0-50 mm.

Abstract: The present invention relates to a SSL lamp (100) comprising: three or more elongated light emitting structures (102, 104, 106, 108). A respective first end (102a, 104a, 106a, 108a) of each of the three or more elongated light emitting structures (102, 104, 106, 108) are arranged such that they define a first polygon (150). A portion of each of the three or more elongated light emitting structures (102, 104, 106, 108) are arranged in vicinity of each other such that the three or more elongated light emitting structures (102, 104, 106, 108) crosses each other at a smallest angle (?, ??) of at least 30 degrees, thereby forming a common neck (120).

Abstract: The present invention relates to a flexible solid state lighting strip (10), comprising: an elongate circuit board (12) having a longitudinal axis (14), wherein the elongate circuit board is bent, about folding lines (22; 26; 30; 34) parallel to the longitudinal axis of the elongate circuit board, into sections (18), such that subsequent sections along the longitudinal axis are oriented at least 45 degrees, preferably (approximately) 90 degrees, apart; and at least one solid state light source (44) mounted on the elongate circuit board.

Abstract: A lens (1) comprising a centrally extending axis (A) being perpendicular to a lens axis (L) of the lens, the lens being adapted for retracting light rays from a light source positioned off-axis with respect to the centrally extending axis, the lens comprising a first plurality of slits (21, 22, 23, 24) extending entirely in an interior of the lens and comprising a length (l) extending perpendicular to the centrally extending axis, a width (w) extending parallel to the centrally extending axis and a thickness (t) extending perpendicular to both the length and the width, the first plurality of slits being mutually parallel and covering between 40% and 60% of a plane in which both the centrally extending axis (A) and the length (l) and width (w) of the first plurality of slits (21, 22, 23, 24) extend.

Abstract: The invention provides various designs for enabling a non-circular area of collimated light output or to enable tessellation of collimators. In a first aspect, a collimator arrangement comprises a plurality of collimators, each having a circular general outer shape with one or more indentation into the circular general outer shape, wherein each indentation comprises a pair of edges which meet at an internal angle and each indentation defines a pair of external angles where the cut-out meets the general outer shape. The collimators are tessellated with each internal angle adjacent one of the external angles of an adjacent collimator. In another aspect, a collimating optical structure comprises a first section comprising one or more portions of a first collimator lens design with a first diameter and a second section comprising one or more portions of a second collimator lens design with a larger, second diameter.

Abstract: The present disclosure relates to a color tunable lighting device comprising at least one light source (302), a symmetry axis (306) and an envelope (304). The at least one light source (302) is disposed on a base (301) extending within a plane and the envelope (304) is disposed at least above the base (301) and defines a cavity (305) extending along the symmetry axis (306). The at least one light source (302) is arranged at a distance X from the symmetry axis (306) along a radial direction relative to the symmetry axis. The plane is arranged to intersect the symmetry axis (306). The distance X may be at least 50% of a total distance between the symmetry axis (306) and an edge of the envelope (304), or a projection of the edge of the envelope (304) on the plane in which the base (301) extends, as seen along the radial direction. A curvature of the envelope (304) is monotonically increasing with an increasing distance from the base (301).

Abstract: A light emitting device (1) comprising a plurality of volume emitting LEDs (21-29) adapted for, in operation, emitting light, a substrate (3) on which said plurality of volume emitting LEDs is arranged, and an optical structure (4) comprising a surface (41) adapted for forming a light exit surface of the light emitting device, a first section (5) arranged such as to extend over said plurality of volume emitting LEDs opposite to the substrate, and a second section (6) comprising a plurality of light redirecting elements (61-68) adapted for redirecting light emitted by the plurality of volume emitting LEDs towards said surface of the optical structure by means of total internal reflection (TIR), the plurality of light redirecting elements (61-68) extending between adjacent volume emitting LEDs of the plurality of volume emitting LEDs and terminating adjacent to the substrate (3).

Abstract: A solid state lighting strip (100) for mounting in or on a panel support element (210) of a modular panel system (200) including a plurality of solid state lighting elements (110, 110?), a light extraction layer (120) and a glare reducing layer (130) is disclosed. The solid state lighting elements are arranged such that the light emitted by said elements is coupled into the glare reducing layer via the light extraction layer. The solid state lighting strip (100) can be used as part of a lighting system, a panel support element (210) and a modular panel system (200).

Abstract: A lens (1) comprising a centrally extending axis (A) being perpendicular to a lens axis (L) of the lens, the lens being adapted for retracting light rays from a light source positioned off-axis with respect to the centrally extending axis, the lens comprising a first plurality of slits (21, 22, 23, 24) extending entirely in an interior of the lens and comprising a length (l) extending perpendicular to the centrally extending axis, a width (w) extending parallel to the centrally extending axis and a thickness (t) extending perpendicular to both the length and the width, the first plurality of slits being mutually parallel and covering between 40% and 60% of a plane in which both the centrally extending axis (A) and the length (l) and width (w) of the first plurality of slits (21, 22, 23, 24) extend.

Abstract: The invention provides a lighting unit (1000) comprising a lighting device (100), wherein the lighting device (100) comprises a light source (10) configured to provide light source light (11) and beam shaping optics (20) configured to shape the light source light into a lighting device beam (101), wherein the lighting device (100) comprises a window (30) comprising an upstream face (31) directed to the light source (10) and a downstream face (32), wherein the lighting unit (1000) further comprises a beam modifier (200) configured adjacent to the window (30) and configured to intercept at least part of said lighting device beam (101), wherein the lighting device (100) and the beam modifier (200) are configured to modify said lighting device beam (101) to provide a lighting unit beam (1001) downstream from said beam modifier (200), wherein the beam modifier (200) comprises a printed beam modifying element (210).

Abstract: The present invention relates to a flexible solid state lighting strip (10), comprising: an elongate circuit board (12) having a longitudinal axis (14), wherein the elongate circuit board is bent, about folding lines (22; 26; 30; 34) parallel to the longitudinal axis of the elongate circuit board, into sections (18), such that subsequent sections along the longitudinal axis are oriented at least 45 degrees, preferably (approximately) 90 degrees, apart; and at least one solid state light source (44) mounted on the elongate circuit board.

Abstract: A lighting device comprising a carrier board and an array of lighting elements mounted on the carrier board. The carrier board has a generally spiral shape and the carrier board can be tessellated with one or more identical other carrier boards with windings interleaved with each other. This enables multiple carrier boards to be formed from a single substrate with little or no waste of material. Different designs enable two, four or even more different identical carried board shapes to be tessellated together.

Abstract: The invention provides various designs for enabling a non-circular area of collimated light output or to enable tessellation of collimators. In a first aspect, a collimator arrangement comprises a plurality of collimators, each having a circular general outer shape with one or more indentation into the circular general outer shape, wherein each indentation comprises a pair of edges which meet at an internal angle and each indentation defines a pair of external angles where the cut-out meets the general outer shape. The collimators are tessellated with each internal angle adjacent one of the external angles of an adjacent collimator. In another aspect, a collimating optical structure comprises a first section comprising one or more portions of a first collimator lens design with a first diameter and a second section comprising one or more portions of a second collimator lens design with a larger, second diameter.

Abstract: A lighting device comprising a carrier board and an array of lighting elements mounted on the carrier board. The carrier board has a generally spiral shape and the carrier board can be tessellated with one or more identical other carrier boards with windings interleaved with each other. This enables multiple carrier boards to be formed from a single substrate with little or no waste of material. Different designs enable two, four or even more different identical carried board shapes to be tessellated together.

Abstract: A lighting module (100) is disclosed, comprising an elongated member (110) having an inner surface (112) at least in part delimiting a light-guiding region (114) within the elongated member, wherein the elongated member has a first end (116) a second end (118) and is configured to permit passage of fluid through the light-guiding region (114) and into and out of the first end and the second end, respectively. Light can be out-coupled from the light-guiding region (114) via at least one of the first end (116) and the second end (118). The elongated member (110) includes a carrier which is at least in part flexible and has a first side (131) and a second side (132) opposite to the first side (131). At least one light-emitting element (120) is coupled to the first side (131) of the carrier on a first portion (151) of the carrier.

Abstract: Alighting device (1) is provided comprising a base (5), at least one light source (4) arranged at the base, at least one light transmissive optical element (7), and a light transmissive envelope (6) arranged to cover the at least one light source and the at least one optical element. At least a portion of the at least one optical element has a thickness (D) increasing in direction towards the base such that the at least one optical element refracts light emitted by the at least one light source for creating at least one virtual light source (8) spaced from the base. The present aspect is advantageous in that each one of the envelope and the optical element may be manufactured separately, e.g. by standard injection molding technique.

Abstract: Today the use of false ceilings is decreasing as it involves too high an energy consumption. The tendency nowadays is to have bare concrete ceilings onto which luminaires are mounted, which often causes acoustical problems. The invention deals with these acoustical problems and relates to an illumination device (1) comprising a concave reflector (2) bordering, with an outer edge (3), on a light emission window (4). The reflector has a reflective surface (7) facing the light emission window. The illumination device further comprises lamp holding means (8) for accommodating a light source (9), and said lamp holding means being positioned in between the reflective surface and the light emission window. The illumination device is characterized in that the reflector is made of acoustically absorbing material.

Abstract: The invention provides a lighting unit (1000) comprising a lighting device (100), wherein the lighting device (100) comprises a light source (10) configured to provide light source light (11) and beam shaping optics (20) configured to shape the light source light into a lighting device beam (101), wherein the lighting device (100) comprises a window (30) comprising an upstream face (31) directed to the light source (10) and a downstream face (32), wherein the lighting unit (1000) further comprises a beam modifier (200) configured adjacent to the window (30) and configured to intercept at least part of said lighting device beam (101), wherein the lighting device (100) and the beam modifier (200) are configured to modify said lighting device beam (101) to provide a lighting unit beam (1001) downstream from said beam modifier (200), wherein the beam modifier (200) comprises a printed beam modifying element (210).