Abstract: This disclosure relates to methods and systems for repelling one or more fish eating predators (4) from a fish-containing area (6) within a sea, fjord, river or lake, wherein a moving image of a predator (18) of the one or more fish eating predators (4) is provided at and/or near a boundary of the fish-containing area (6).

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: A method for manufacturing an assembly (10) is disclosed. The assembly (10) comprises a substrate (1) having a first surface (3) and a second surface (4). The substrate (1) is at least partially plastically deformable. The assembly (10) comprises a supporting surface (5) arranged to support at least a portion of the second surface (4). The substrate (1) is plastically deformed, thereby producing an elastic preload in at least a portion of the substrate (1). The substrate (1) is fixedly arranged in the assembly (10) such that the second surface (4) is placed against the supporting surface (5), wherein the elastic preload in the at least a portion of the substrate (1) produces a force between the at least a portion of the second surface (4) and the supporting surface (5), whereby the at least a portion of the second surface (4) becomes in abutment with the supporting surface (5) over the at least a portion of the second surface (4). A light source comprising the assembly (10) is also disclosed.

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 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: A method of photoplethysmography includes processing a signal based on at least one signal from at least one sensor arranged to capture light from a living subject to extract information on a characteristic of a periodic biological phenomenon. At least one of the signals from at least one sensor is obtained via sensing radiation as to a peak in an absorption spectrum of water.

Abstract: A solid state light-emitting device (LED) lighting apparatus comprising a leadframe assembly comprising leadframes spaced apart at a pitch, each leadframe comprising at least one pad, interconnects each linking two adjacent leadframes, LEDs mounted on the leadframes, and bidirectional spreading lenses disposed about the LEDs, each bidirectional spreading lens having a spreading axis and a null axis perpendicular to the spreading axis, each bidirectional spreading lens directing more light in opposite directions along the spreading axis than the null axis, the spreading axis being aligned along the length of the stretched leadframe assembly.

Abstract: A solid state light-emitting device (LED) lighting apparatus comprising a leadframe assembly comprising leadframes spaced apart at a pitch, each leadframe comprising at least one pad, interconnects each linking two adjacent leadframes, LEDs mounted on the leadframes, and bidirectional spreading lenses disposed about the LEDs, each bidirectional spreading lens having a spreading axis and a null axis perpendicular to the spreading axis, each bidirectional spreading lens directing more light in opposite directions along the spreading axis than the null axis, the spreading axis being aligned along the length of the stretched leadframe assembly.

Abstract: A method for manufacturing a solid state light-emitting device (LED) lighting apparatus includes forming a leadframe assembly with a group of leadframes connected in series by folded interconnects, mounting LEDs on the leadframes, disposing optical elements about the LEDs, and stretching the leadframe assembly so the interconnects unfold to space apart the LEDs. Disposing the optical elements includes orienting the optical elements so the optical elements provide a predetermined light pattern after stretching the leadframe assembly.

Abstract: Application of a wavelength conversion element is substantially independent of the fabrication of a side-emitting light emitting device. In an example embodiment, the wavelength conversion element is situated around the periphery of a non-wavelength converting lightguide that is situated above the light emitting surface. One or more specular and/or diffusing reflectors are used to direct the light in the lightguide toward the wavelength conversion element at the periphery. In another embodiment, an interference filter may be used to provide predominantly side-emitted light at interfaces between the elements of the light emitting device.

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.

Abstract: A lighting assembly, a light source and a luminaire are provided. The lighting assembly 100 comprises a primary thermal layer 112, a plurality of Lighting Emitting Diode assemblies 106 and a plurality of wires 102. The primary thermal layer 112 is of a thermally conductive material. The wires 102 are electrically coupled between electrodes 108, 114 of at least two different Light Emitting Diode assemblies 106. The Light Emitting Diode assemblies 106 comprise a sub-mount 110, a first and a second metal electrode 108, 114 and a Light Emitting Diode die 116. The sub-mount 110 is of a thermally conductive and electrically insulating ceramic. The sub-mount 110 has a first side which is thermally coupled to the primary thermal layer 112 and has a second side being opposite the first side. The first and the second metal electrode 108, 114 are arranged at the second side of the sub-mount 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 lighting device comprising a support panel located between two outer sheets, which support panel is provided with at least one light emitting module, while at least one of the outer sheets is translucent. The outer sheets are movable with respect to each other at least from a folded state in which the support panel and the outer sheets extend substantially parallel to each other and an unfolded state in which the outer sheets are at least partly further spaced apart than in the folded state.

Abstract: A light output device and manufacturing method in which an array of LEDs is embedded in an encapsulation layer. An array of cavities (or regions of different refractive index) is formed in the encapsulation layer. The cavities/regions have a density or size that is dependent on their proximity to the light emitting diode locations, in order to reduce hot spots (local high light intensity areas) and thereby render the light output more uniform over the area of the device.

Abstract: A method for manufacturing an assembly (10) is disclosed. The assembly (10) comprises a substrate (1) having a first surface (3) and a second surface (4). The substrate (1) is at least partially plastically deformable. The assembly (10) comprises a supporting surface (5) arranged to support at least a portion of the second surface (4). The substrate (1) is plastically deformed, thereby producing an elastic preload in at least a portion of the substrate (1). The substrate (1) is fixedly arranged in the assembly (10) such that the second surface (4) is placed against the supporting surface (5), wherein the elastic preload in the at least a portion of the substrate (1) produces a force between the at least a portion of the second surface (4) and the supporting surface (5), whereby the at least a portion of the second surface (4) becomes in abutment with the supporting surface (5) over the at least a portion of the second surface (4). A light source comprising the assembly (10) is also disclosed.

Abstract: A lighting device has an array of light emitting diodes (LEDs), an adhesion layer having portions with photo-activated electrical conductivity over the LEDs, and electrically charged scattering particles adhered by electrostatic attraction to the adhesion layer portions, thereby forming scattering regions that are self-aligned to the light emitting diodes. A method for manufacturing the lighting device includes photo-activating the adhesion layer using light output from the light emitting diodes to locally vary the conductivity of the adhesion layer; and attaching electrically charged scattering particles to the adhesion layer by electrostatic attraction.

Abstract: A light output device and manufacturing method in which an array of LEDs is embedded in an encapsulation layer. An array of cavities (or regions of different refractive index) is formed in the encapsulation layer. The cavities/regions have a density or size that is dependent on their proximity to the light emitting diode locations, in order to reduce hot spots (local high light intensity areas) and thereby render the light output more uniform over the area of the device.

Abstract: Application of a wavelength conversion element is substantially independent of the fabrication of a side-emitting light emitting device. In an example embodiment, the wavelength conversion element is situated around the periphery of a non-wavelength converting lightguide that is situated above the light emitting surface. One or more specular and/or diffusing reflectors are used to direct the light in the lightguide toward the wavelength conversion element at the periphery. In another embodiment, an interference filter may be used to provide predominantly side-emitted light at interfaces between the elements of the light emitting device.

Abstract: A light output device and manufacturing method in which an array of LEDs (34) is embedded in an encapsulation layer (32). An array of cavities (30) (or regions of different refractive index) is formed in the encapsulation layer (32). The cavities/regions (30) have a density or size that is dependent on their proximity to the light emitting diode (34) locations, in order to reduce hot spots (local high light intensity areas) and thereby render the light output more uniform over the area of the device.