Abstract: An assembly comprises an object (2, 101, 102, 103) having a surface which is intended to be exposed to water during at least a part of the lifetime thereof. In order to be capable of avoiding biofouling of the surface in a first stage of the lifetime of the assembly, without needing to have a supply of power in order to achieve the anti-fouling effect as desired in that first stage, the assembly furthermore comprises an anti-fouling protector arrangement (30) which is adapted to initially prevent the surface from being contacted by water, and which comprises degradable material. Also, the assembly comprises at least one energy source (20) which is adapted to emit energy for causing the protector arrangement (30) to disintegrate.

Abstract: The invention provides an object (10) that during use is at least partly submerged in water, the object (10) further comprising an anti-bio fouling system (200) comprising an UV emitting element (210), wherein the UV emitting element (210) comprises one or more light sources (220) and is configured to irradiate with UV radiation (221) during an irradiation stage one or more of (i) a part (111) of an external surface (11) of said object (10) and (ii) water adjacent to said part (111) of said external surface (11), wherein the object (10) is selected from the group consisting of a vessel (1) and an infrastructural object (15), wherein the object (10) further comprises a water switch (400), wherein the anti-bio fouling system (200) is configured to provide said UV radiation (221) to said part (111) in dependence of the water switch (400) being in physical contact with the water.

Abstract: The invention provides an anti-fouling lighting system (1) configured for preventing or reducing biofouling on a fouling element (1201) of an object (1200). The fouling element (1201) is during use at least partly moving and at least temporarily exposed to water. Fouling is prevented by irradiating an anti-fouling light (211) onto said fouling element (1201). The anti-fouling lighting (1) system comprises at least one laser light source (2) configured to generate the anti-fouling light (211) and to provide said anti-fouling light (211) to said fouling element (1201) during use, wherein the system (1) is arranged such that during use the fouling element (1201) at least partly moves with respect to the laser light source (2).

Abstract: A cooling apparatus (1) for cooling a fluid by means of surface water comprises a plurality of tubes (10) for containing and transporting the fluid to be cooled in their interior, the tubes (10) being intended to be at least partially exposed to the surface water during operation of the cooling apparatus (1). Furthermore, the cooling apparatus (1) comprises a plurality of light sources (21, 22) for producing light that hinders fouling of the exterior of the tubes (10), the light sources (21, 22) being dimensioned and positioned with respect to the tubes (10) so as to cast anti-fouling light over the exterior of the tubes (10), wherein the light sources (21, 22) have a generally elongated shape, and wherein the light sources (21, 22) are arranged in at least two mutually different orientations in the cooling apparatus (1).

Abstract: A cooling apparatus (1) for cooling a fluid with surface water, comprising at least one tube (8) for containing and transporting the fluid in its interior, the exterior of the tube (8) being in operation at least partially submerged in the surface water so as to cool the tube (8) to thereby also cool the fluid. The cooling apparatus (1) further comprises at least one light source (9) for producing light that hinders fouling on the submerged exterior, wherein the light source (9) is dimensioned and positioned with respect to the tube (8) so as to cast anti-fouling light over the tube's exterior. By this structure anti-fouling of the cooling apparatus (1) can be assured in an alternative and effective manner.

Abstract: A cooling apparatus for cooling a fluid by means of surface water, the cooling apparatus comprising more than one tubes for containing and transporting the fluid in its interior, the exterior of the tube being in operation at least partially submerged in the surface water so as to cool the tube to thereby also cool the fluid and hence different tube portions contain fluid at different temperatures. The cooling apparatus further comprises at least one light source for producing light that hinders fouling on the submerged exterior, wherein the at least one light source is arranged so that the intensity of the anti-fouling light, cast over the exterior of the tube portions whose exterior temperature or the temperature of the fluid they contain is below 80° C., is higher than the intensity of the anti-fouling light cast over the other tube portions. By this structure anti-fouling of the cooling apparatus can be assured in an effective manner.

Abstract: A cooling apparatus for cooling a fluid by means of surface water, the cooling apparatus comprising more than one tubes for containing and transporting the fluid in its interior, the exterior of the tube being in operation at least partially submerged in the surface water so as to cool the tube to thereby also cool the fluid, at least one light source for producing light that hinders fouling on at least part of the submerged exterior and at least one optic unit for enhancing the distribution of anti-fouling light on the submerged exterior. By this structure anti-fouling of the cooling apparatus can be assured in an effective manner.

Abstract: The present invention provides a marine cable device configured for preventing or reducing biofouling along its exterior surface, which during use is at least temporarily exposed to water. The marine cable device according to the present invention comprises at least one light source configured to generate an anti-fouling light and at least one optical medium configured to receive at least part of the anti-fouling light. The optical medium comprises at least one emission surface configured to provide at least part of said anti-fouling light on at least part of said exterior surface.

Abstract: A display device (40) comprising: a display panel (41) comprising a set of pixels (41R, 41L) the pixels being spatially distributed over the display panel, and each pixel being for providing a light output, the set of pixels comprising a plurality of different subsets (411) of pixels, each subset of pixels comprising one or more pixels of the set of pixels, an imaging unit (42) arranged for imaging the one or more pixels of a subset of pixels to form pixel images on a plurality of view areas on an imaginary plane located at a first distance in front of the display, the plurality of view areas not overlapping each other, with at least one pixel image of each one of the different subsets of pixels overlapping on a same one of the plurality of view areas, the imaginary plane comprising an imaginary circle having the diameter of the pupil of an eye, and the imaginary circle enclosing at least a part of at least two of the plurality of view areas, where the at least two of the plurality of view areas at least part

Abstract: A lighting element 100, a lighting system and a luminaire are provided. The lighting element 100 is used for obtaining a skylight appearance and has a white light emitting means 104 for emitting white light, a blue light emitting means 106 for emitting blue light and a Fresnel lens 102. The Fresnel lens 102 is arranged to receive light from the white light emitting means 104 and from the blue light emitting means 106. The white light emitting means 104 is arranged in a first relative position with respect to the Fresnel lens 102 to collimate at least a part of the light emitted by the white light emitting means 104 to obtain a collimated directed light beam in a specific direction. The blue light emitting means 106 is arranged in a second relative position with respect to the Fresnel lens 102 to obtain a blue light emission at least outside the collimated directed light beam.

Abstract: A method of anti-fouling of a surface while said surface is at least partially submersed in an liquid environment, comprising: providing an anti-fouling light; distributing at least part of the light through an optical mediumcomprising a silicone material and/or UV grade fused silica; emitting the anti-fouling light from the optical medium and from the surface.

Abstract: A lighting aiming system for aiming a stadium lighting system, the lighting aiming system comprising: a luminaire (5), the luminaire having a mounting position and an orientation and configured to generate a light beam along an optical axis; a camera (1) configured to capture an image, the camera (1) coupled to the luminaire and having a defined relationship between a field of view of the camera and the optical axis; a memory (31) configured to store lighting information comprising a desired aiming location of the luminaire, and the memory further configured to store feature information comprising an expected location of at least one feature; a processor (33) configured to determine and output aiming information based on the feature information, lighting information and image to enable a determination on whether the luminaire is correctly aimed.

Abstract: Anti-fouling lighting system (1) for preventing or reducing bio fouling on a fouling surface (1201) of an object (1200), by providing an anti-fouling light (211) via an optical medium (220) to said fouling surface, the anti-fouling lighting (1) system comprising: (a) a lighting module (200) comprising (i) a light source (210) configured to generate an anti-fouling light (211), and (ii) said optical medium (220) configured to receive at least part of the anti-fouling light (211), the optical medium (220) comprising an emission surface (222) configured to provide at least part of said anti-fouling light (211); and (b) a control system (300) configured to control an intensity of the anti-fouling light (211) as function of one or more of (i) a feedback signal related to a biofouling risk and (ii) a timer for time-based varying the intensity of the anti-fouling light (211).

Abstract: The invention provides an anti-fouling lighting system (1) configured for preventing or reducing biofouling on a fouling surface (1201) of an object (1200) that during use is at least temporarily exposed to a liquid, by providing an anti-fouling light (211) to said fouling surface (1201), the anti-fouling lighting system (1) comprising: —a lighting module (200) comprising a light source (210) configured to generate an anti-fouling light (211); and —an energy system (500) configured to locally harvest energy and configured to provide electrical power to said light lighting module (200), wherein the energy system (500) comprises (i) a sacrificial electrode (510), and (ii) a second energy system electrode (520), wherein the energy system (500) is configured to provide electrical power to the lighting module (200) when the sacrificial electrode (510) and the second energy system electrode (520) are in electrical contact with the liquid.

Abstract: A method of anti-fouling of a surface while said surface is at least partially submersed in an liquid environment, comprising: providing an anti-fouling light (9); distributing at least part of the light (9) through an optical medium (5) comprising a silicone material and/or UV grade fused silica; emitting the anti-fouling light (9) from the optical medium (5) and from the surface.

Abstract: An optical element, a lighting system and a luminaire is provided. The optical element comprises a plate 100 and a plurality of collimating means. The optical element is to be used in front of a light source comprising a light emitting surface 106, and the optical element is configured to obtain a skylight appearance. The plate 100 is to be arranged parallel to the light emitting surface 106. The plate 100 is opaque and comprises a plurality of holes 104. The plate 100 further comprises a reflective surface 102 which is to be arranged parallel to the light emitting surface 106. The reflective surface 102 is light reflective in a predetermined spectral range to obtain a blue light emission 100. The plurality of collimating means collimate a part of the light received from the light source to obtain a collimated light beam 112 in a specific direction. Each one of the collimating means comprises one of the plurality of holes of the plate 104.

Abstract: A method of anti-fouling of a surface while said surface is at least partially submersed in an liquid environment, comprising: providing an anti-fouling light (9); distributing at least part of the light (9) through an optical medium (5) comprising a silicone material and/or UV grade fused silica; emitting the anti-fouling light (9) from the optical medium (5) and from the surface.

Abstract: A light-emitting device which has a plate-shaped light guide (102) having front and rear surfaces (106, 108), being major surfaces, and edge surfaces (110, 112, 114, 116); and a light source (104) arranged at the plate-shaped light guide at such a position that the generated light is entered into the plate-shaped light guide and propagates in a substantial direction of propagation that is parallel with the front surface. At least a portion of the plate-shaped light guide includes a three-dimensional surface structure (118) arranged to provide a controlled light output through at least one of the front and rear surfaces and at least one of the edge surfaces. The controlled light output is controlled in terms of light output characteristics.

Abstract: A lighting element (100), a lighting system and a luminaire are provided. The lighting element (100) is used for obtaining a skylight appearance and comprises a white light emitting means (104) for emitting white light, a blue light emitting means 106 for emitting blue light and a Fresnel lens (102). The Fresnel lens (102) is arranged to receive light from the white light emitting means (104) and from the blue light emitting means (106). The white light emitting means (104) is arranged in a first relative position with respect to the Fresnel lens (102) to collimate at least a part of the light emitted by the white light emitting means (104) to obtain a collimated directed light beam in a specific direction. The blue light emitting means (106) is arranged in a second relative position with respect to the Fresnel lens (102) to obtain a blue light emission at least outside the collimated directed light beam.

Abstract: A display device (40) comprising: a display panel (41) comprising a set of pixels (41R, 41L) the pixels being spatially distributed over the display panel, and each pixel being for providing a light output, the set of pixels comprising a plurality of different subsets (411) of pixels, each subset of pixels comprising one or more pixels of the set of pixels, an imaging unit (42) arranged for imaging the one or more pixels of a subset of pixels to form pixel images on a plurality of view areas on an imaginary plane located at a first distance in front of the display, the plurality of view areas not overlapping each other, with at least one pixel image of each one of the different subsets of pixels overlapping on a same one of the plurality of view areas, the imaginary plane comprising an imaginary circle having the diameter of the pupil of an eye, and the imaginary circle enclosing at least a part of at least two of the plurality of view areas, where the at least two of the plurality of view areas at least part