Abstract: Proposed is a light source comprising: a plurality of LED light sources, each of the plurality of LED light sources having: a semiconductor diode structure adapted to generate light; and a light output section above the semiconductor diode structure adapted to output light from the semiconductor diode structure, the area of the light output section being less than the area of the semiconductor diode structure; and an optically transmissive structure overlapping the light output sections of the plurality of LED light sources so as to receive light from the light output sections of the plurality of LED light sources and having a light exit section adapted to output the received light. The area of the light exit section of the optically transmissive structure is less than the footprint area of the plurality of LED light sources.

Abstract: A light emitting device (1) comprising a luminescent element (3) comprising a first face (31) and a second face (32), the first face comprising a light input surface and one of the first face and the second face comprising a light exit surface, the luminescent element (3) being adapted for receiving first light (4) with a first spectral distribution emitted by at least one laser light source (21, 22, 23) at the light input surface, converting at least a part of the first light with the first spectral distribution to second light (5) with a second spectral distribution, guiding the second light with the second spectral distribution to the light exit surface and coupling at least a part of the second light with the second spectral distribution out of the light exit surface, and a heat sink element (7) arranged to be in thermal contact with at least a part of the luminescent element (3) extending between the first face (31) and the second face (32), wherein the first face (31) comprises a cross-sectional area A

Abstract: The invention provides a waveguide element (1000) comprising a first face (1001) and a second face (1002) with radiation transmissive material (1005) configured between the first face (1001) and the second face (1002), wherein the radiation transmissive material (1005) is transmissive for UV radiation, wherein the radiation transmissive material (1005) is a matrix material for a phase (1010) of another composition than the radiation transmissive material (1005), wherein the phase (1010) is available in the matrix as regions (1110) with the regions (1110) having mean particle radii (r1) selected from the range of 50-1500 nm and having an average region concentration selected from the range of 1*104-1.5*108/mm3 of the radiation transmissive material (1005).

Abstract: A light emitting device (1, 101) comprising a plurality of LEDs (2), each LED (21, 22, 23) of said plurality of LEDs comprising a LED output surface (24, 25, 26) and being arranged to, in operation, emit light from said LED output surface, a light guiding element (3) comprising a light guide input surface (31) being arranged adjacent said LED output surface of each LED of said plurality of LEDs such that said light emitted by said plurality of LEDs is injected into the light guiding element at said light guide input surface, said light guiding element further comprising a light guide output surface (34), said light being injected into the light guiding element at said light guide input surface further being guided to and emitted from said light guide output surface, and a collimating element (4) made of a transparent material and comprising a first surface section (41) arranged adjacent said light guide output surface and said collimating element being adapted to collimate light emitted from said light guide

Abstract: The invention provides a lighting device (100) comprising a plurality of light source packages (110) each light source package (110) comprising a light source (10) and a polarizer (20) configured to polarize light source light (11) of said light source (10), wherein the light source packages (110) are individually controllable, wherein the light source packages (110) are configured to provide polarized light source light (11) with at least two different polarization states (p1,p2), and wherein the light source packages (110) share a light exit window (120) for escape of the light source light (11) from said lighting device (100).

Abstract: A light emitting arrangement (100) for anti-fouling of a surface (30), comprises an optical medium (10) and at least one light source (20) for emitting anti-fouling light. A first zone (1) of the arrangement (100), which is closest to the light source (20), is arranged and configured to predominantly make the anti-fouling light reflect in a specular manner towards an emission surface (12) of the optical medium (10), through the optical medium (10), a second zone (2) of the arrangement (100) is arranged and configured to predominantly realize propagation of the anti-fouling light through the optical medium (10) by total internal reflection, and a third zone (3) of the arrangement (100), which is furthest away from the light source (20), is arranged and configured to predominantly make the anti-fouling light scatter out of the optical medium (10), through the emission surface (12) of the optical medium (10).

Abstract: The invention provides a lighting device (10) comprising a light source (100) configured to generate light source light (101) and a light converter element (200), wherein the light converter element (200) comprises a light transmissive matrix (205), wherein the light transmissive matrix (205) comprises: (i) a first luminescent material (210) configured to convert at least part of one or more of (a) the light source light (101) and (b) optionally a second luminescent material light (221) from an optional second luminescent material (220) into a first luminescent material light (211); and (ii) a thermo-responsive liquid crystalline compound (250); wherein the light transmissive matrix (205) is configured in thermal contact with the light source (100), and wherein the lighting device (10) is further configured to provide lighting device light (11) comprising said light source light (101), said first luminescent material light (210) and optionally said second luminescent material light (221), and wherein said lig

Abstract: A light emitting device (1) comprising a luminescent element (3) comprising a first face (31) and a second face (32), the first face comprising a light input surface and one of the first face and the second face comprising a light exit surface, the luminescent element (3) being adapted for receiving first light (4) with a first spectral distribution emitted by at least one laser light source (21, 22, 23) at the light input surface, converting at least a part of the first light with the first spectral distribution to second light (5) with a second spectral distribution, guiding the second light with the second spectral distribution to the light exit surface and coupling at least a part of the second light with the second spectral distribution out of the light exit surface, and a heat sink element (7) arranged to be in thermal contact with at least a part of the luminescent element (3) extending between the first face (31) and the second face (32), wherein the first face (31) comprises a cross-sectional area A

Abstract: A lighting arrangement and a method of coupling light into a light guide are described. A light source is embedded within a light guide. The light guide includes first and second outer surfaces arranged on opposite sides. A forward direction extends from the light source parallel to the first outer surface. A collimator is embedded within the light guide. The collimator comprises a first reflector surface facing towards the second outer surface and a second reflector surface facing towards the first outer surface. The light source is arranged to emit light between the first and second reflector surfaces. The first reflector surface is arranged at least substantially parallel to the forward direction. At least a portion of the second reflector surface is arranged under an angle to the forward direction.

Abstract: The invention provides a lighting device (1) comprising a plurality of light sources (100) configured to generate light source light (101), a plurality of light converter elements (200), wherein each light converter element (200) is radiationally coupled with one or more light sources (100), wherein the light sources (100) are configured at a non-zero distance from the light converter elements (200), wherein the light converter elements (200) are configured to convert at least part of the light source light into light converter light (201), the lighting device (1) further comprising a plurality of compound parabolic concentrators (300) configured in an array (310), each compound parabolic concentrator (300) having a first end (301) and a second end (302), and having a shape tapering from the first end (301) to the second end (302), wherein the light converter elements (200) are configured at the second ends (302) of the compound parabolic concentrators (300), wherein the light converter elements (200) and the

Abstract: A light source includes first and second semiconductor diode structures adapted to generate light, a light output section at least partially overlapping both of the first and the second semiconductor diode structures and being adapted to output light from the first and the second semiconductor diode structures, and a light reflecting structure at least partially enclosing side surfaces of the first and the second semiconductor diode structures and the light output section and being adapted to reflect light from the first and the second semiconductor diode structures towards the light output section. The area of the light output section is less than the combined area of the first and the second semiconductor diode structures.

Abstract: In an assembly of a buoyancy module (10) and an anti-fouling system, the buoyancy module (10) is adapted to floatingly support a functional device (40) in an underwater environment. In particular, the anti-fouling system comprises at least one anti-fouling appliance (23, 24) for performing an anti-fouling action on at least a portion of the exterior surface (16) of the buoyancy module (10), wherein the anti-fouling appliance (23, 24) has an exterior arrangement with respect to the buoyancy module (10) while being mechanically coupled to the buoyancy module (10) and/or being adapted for mechanical coupling to a functional device (40), and/or is arranged on the exterior surface (16) of the buoyancy module (10), and/or is arranged in the interior of the buoyancy module (10). In a practical embodiment, the anti-fouling appliance comprises an ultraviolet light source (23) and possibly also a light guide (24) coupled to the ultraviolet light source (23).

Abstract: A lighting device (100, 200, 300, 400) is disclosed, comprising an at least partly light transmitting envelope (110) arranged to at least partly enclose a light source (120). The envelope comprises a portion (114) that is elastic such that its extension and orientation relative to a nominal optical axis of a base (140) of the lighting device is adjustable so as to allow for light output from the lighting device to be modified. A method for manufacturing such lighting device is also disclosed.

Abstract: A light emitting device (1, 101) comprising a plurality of LEDs (2), each LED (21, 22, 23) of said plurality of LEDs comprising a LED output surface (24, 25, 26) and being arranged to, in operation, emit light from said LED output surface, a light guiding element (3) comprising a light guide input surface (31) being arranged adjacent said LED output surface of each LED of said plurality of LEDs such that said light emitted by said plurality of LEDs is injected into the light guiding element at said light guide input surface, said light guiding element further comprising a light guide output surface (34), said light being injected into the light guiding element at said light guide input surface further being guided to and emitted from said light guide output surface, and a collimating element (4) made of a transparent material and comprising a first surface section (41) arranged adjacent said light guide output surface and said collimating element being adapted to collimate light emitted from said light guide

Abstract: A LED luminaire (100, 200, 300, 400, 500) is provided. The LED luminaire (100, 200, 300, 400, 500) comprises a LED light source (102) arranged to emit light into a light guide (104), the light guide (104) is arranged to guide the light from the LED light source (102) to a light out-coupling element (106). A reflector (108) forms a partly enclosed space (110) and comprises a slot (112), wherein the light guide (104) extends through the slot (112), the light out-coupling element (106) is arranged in the partly enclosed space (110) of the reflector (108), and the LED light source (102) is arranged outside the partly enclosed space (110) of the reflector (108) wherein the reflector (108) is arranged such that light exiting the reflector (108) has an angle different from zero with respect to a propagation direction of light in the light guide (104). This provides for a compact LED luminaire.

Abstract: An X-ray detector (1) includes a light detection arrangement (3) such as a CMOS photodetector, a scintillator layer (5) such as a CsI:Tl layer, a reflector layer (9) and a light emission layer (7) interposed between the scintillator layer (5) and the reflector layer (9). The light emission layer (7) may include an OLED and may have a thickness of less than 50 ?m. Thereby, a sensitivity and resolution of the X-ray detector may be improved.

Abstract: The present invention relates to a lighting device, in particular a headlamp for vehicles, at least comprising an array of light sources, consisting of first and second light sources being mounted within the same flat or curved plane, and a projecting optical system arranged to project light emitted by the light sources in a forward direction of the lighting device. At least one shifting element is arranged in front of said first light sources. The shifting element generates real or virtual emission positions of the light of said first light sources shifted towards or away from the projecting optical system with respect to emission positions of said second light sources. With the proposed lighting device, in addition to the main lighting function of illumination, a pattern or signature can be projected at one or several additional image planes. The lighting device thus e.g. allows the additional projection of branding or safety patterns.

Abstract: Proposed is a light source comprising first and second LED light sources. Each of the first and second LED light sources have: a semiconductor diode structure adapted to generate light; and a light output section above the semiconductor diode structure adapted to output light from the semiconductor diode structure in a light output direction, the area of the light output section being less than the area of the semiconductor diode structure. The second LED light source is arranged above and at least partially overlapping the first LED light source with non-aligned light output sections with respect to the light output direction.

Abstract: Proposed is a light source comprising: a plurality of LED light sources, each of the plurality of LED light sources having: a semiconductor diode structure adapted to generate light; and a light output section above the semiconductor diode structure adapted to output light from the semiconductor diode structure, the area of the light output section being less than the area of the semiconductor diode structure; and an optically transmissive structure overlapping the light output sections of the plurality of LED light sources so as to receive light from the light output sections of the plurality of LED light sources and having a light exit section adapted to output the received light. The area of the light exit section of the optically transmissive structure is less than the footprint area of the plurality of LED light sources.

Abstract: The present invention relates to a light emitting device comprising a light emitting element and a light guide arranged on a textile substrate and wherein one or more air gaps are present in the light guide at the interface with the textile substrate. The method also relates to a method of making the light emitting device and to various uses of the light emitting device.