Abstract: A method (100) for disinfection using a lighting system (200), comprising: •determining (140) a mid-infrared (IR) and/or far-IR wavelength configured to disrupt a target macromolecule of a target pathogen, wherein the target macromolecule is DNA, RNA, and/or •a protein of the target pathogen; and exposing (150), via a light source (210) of the lighting system (200), •exposing (150), via a light source of the lighting system (200), the target pathogen to the determined mid-IR and/or far-IR wavelength, wherein the target macromolecule is directly disrupted and the target pathogen is neutralized by the exposure; and •detecting (160), by a sensor (224) of the lighting system (200), neutralisation of the target pathogen by exposure.

Abstract: The present invention relates to a lighting system (10), comprising: a plurality of light sources (12a, 12b) adapted to emit light; a controller (14) adapted to individually control at least a first light source (12a) and a second light source (12b) of the plurality of light sources, such that at least one of color and color temperature of combined light (16) emitted by the plurality of light sources can be varied; and an air ionizer (18) adapted to generate ionized air (20), wherein the air ionizer is configured to vary its generation of ionized air as a function of at least one of the color and color temperature of the combined light emitted by the plurality of light sources.

Abstract: A lighting device comprising a light source being configured to generate source light of a white light emission spectrum having a color correlated temperature (CCT) in a range of 2500-20000K and comprising a control unit being configured to control a lighting element for tuning of the source light with respect to a ratio between a first emission peak in a wavelength range of 460-490 nm and a second emission peak in a wavelength range of 430-460 nm. Thus a lighting device with a tunable/adjustable spectrum is provided that can switch between a first operation state of energy efficiency lighting with a blue peak in the second wavelength range of 430-460 nm, but with blue hazard risk, and a second operation state of less efficient but safe, healthy lighting with a biological stimulant having a blue peak in the first wavelength range of 460-490 nm.

Abstract: The invention relates to an illumination system comprising at least one illumination device as well such illumination device, both the system as the device capable of implementing a lighting functionality as well as an air treatment (disinfecting or purifying) functionality. According to a first aspect of the invention an illumination system composed of at least one illumination device is proposed, with the at least one illumination device comprising a support structure; at least one light emitting source coupled with the support structure for emitting visible light radiation; an ion generating source coupled with the support structure for at least generating ionized molecules in air; and at least one UV light emitting source coupled with the support structure for emitting UV light radiation in a wavelength range for depleting ozone generated by the ion generating source.

Abstract: The invention provides a reactor assembly (1) comprising a reactor (30), wherein the reactor (30) is configured for hosting a fluid (100) to be treated with light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation, wherein the reactor (30) comprises a reactor wall (35) which is transmissive for the light source radiation (11), wherein: the reactor (30) is a tubular reactor (130), and wherein the reactor wall (35) defines the tubular reactor (130); the tubular reactor (130) is configured in a tubular arrangement (1130); the reactor assembly (1) further comprises a reactor support element (40), wherein the reactor support element (40) comprises a track (42), wherein the track (42) partly encloses the tubular reactor (130), wherein the reactor support element (40) comprises a thermally conductive element (2), and wherein the tubular reactor (130) is configured in thermal contact with the thermally conductive element (2).

Abstract: A light generating device (100) comprising a plurality of solid state light sources (10) and a housing (120) comprising side wall elements (20). The light sources (10) are enclosed by the side wall elements (20), and the light generating device (100) generates >=90% of light source light (11) within a triangular prism having a top angle (?)<=180°. The side wall elements (20): —each have a first side (21) directed inwards facing the light sources (10) and a second side (22) which is directed outwards and is reflective for visible light;—are configured at both sides of a housing plane (110), under an angle (?1) between 0-45° relative to the housing plane (110);—have a projection with height H1 on the housing plane (110)—define a largest width (W1) of the light housing 120), wherein H1/W1>1.

Abstract: The invention provides a photoreactor assembly (1) comprising a reactor (30), wherein the reactor (30) is configured for hosting a fluid (100) to be treated with light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation, wherein the reactor (30) comprises a reactor wall (35) which is transmissive for the light source radiation (11), wherein the photoreactor assembly (1) further comprises: a light source arrangement (1010) comprising a plurality of light sources (10) configured to generate the light source radiation (11), wherein the reactor wall (35) is configured in a radiation receiving relationship with the plurality of light sources (10); one or more fluid transport channels (7) configured in functional contact with one or more of (i) the reactor (30) and (ii) one or more of the plurality of light sources (10); a cooling system (90) configured to transport a cooling fluid (91) through the one or more fluid transport channels (7).

Abstract: The invention provides a reactor assembly (1) comprising a reactor (30), wherein the reactor (30) is configured for hosting a fluid (100) to be treated with light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation, wherein the reactor (30) comprises a reactor wall (35) which is transmissive for the light source radiation (11), wherein: (i) the reactor (30) is a tubular reactor (130), and wherein the reactor wall (35) defines the tubular reactor (130); (ii) the tubular reactor (130) is configured in a tubular arrangement (1130); and (iii) the reactor assembly (1) further comprises a reactor support element (40), wherein (a) the reactor support element (40) encloses at least part of the tubular arrangement (1130) or wherein (b) the tubular arrangement (1130) encloses at least part of the reactor support element (40); wherein part of the tubular arrangement (1130) is configured in contact with the reactor support element (40), and wherein another part of the tubu

Abstract: A method comprises determining (203) whether a person has been and/or will be irradiated with an amount of UV radiation exceeding a threshold and controlling (205), in dependence on the determination, one or more light sources to render light comprising a light component having wavelengths in the range 550 to 900 nm. A spectral power distribution of the light is chosen such that the light has a cytochrome C oxidase efficacy complying with the following conditions: for DNA synthesis: the cytochrome C oxidase efficacy is at least 6.2*v?-2.48 mW/lm if the light’s v? is lower than 0.539 or at least 0.85 mW/lm if the light’s v? is equal to or higher than 0.539; for RNA synthesis: the cytochrome C oxidase efficacy is at least 7.5*v?-2.975 mW/lm if the light’s v? is lower than 0.539 or at least 1.05 mW/lm if the light’s v? is equal to or higher than 0.539.

Abstract: The invention provides a photoreactor assembly (1) comprising a reactor (30), wherein the reactor (30) is configured for hosting a fluid (100) to be treated with light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation, wherein the reactor (30) comprises a reactor wall (35) which is transmissive for the light source radiation (11), wherein: (i) the reactor (30) is a tubular reactor (130), and wherein the reactor wall (35) defines the tubular reactor (130); (ii) the tubular reactor (130) is configured in a tubular arrangement (1130); (iii) the photoreactor assembly (1) further comprises a light source arrangement (1010) comprising a plurality of light sources (10) configured to generate the light source radiation (11), wherein the reactor wall (35) is configured in a radiation receiving relationship with the plurality of light sources (10); and (iv) one or more of the tubular arrangement (1130) and the light source arrangement (1010) defines a polygon (50).

Abstract: The invention provides alighting device (1) comprising a solid state light source (10) configured to generate light source light (11) and a converter element (100) configured to convert at least part of the light source light (11) into converter element light (101), wherein the converter element (100) comprises a polymeric host matrix element (120) hosting a particulate first luminescent material (110) of the type M2AX6 doped with tetravalent manganese, wherein M comprises an alkaline cation, wherein A comprises a tetravalent cation, and wherein X comprises a monovalent anion, at least comprising fluorine (F), wherein the particulate first luminescent material (110) is available in the polymeric host matrix element (120) with an average weight percentage x averaged over the polymeric host matrix element (120), wherein the polymeric host matrix element (120) has a first outer face (121), wherein an outer layer volume defined by at least part of the first outer face (121) and a first distance (d1) from said fir

Abstract: The invention provides a light generating device (100) configured to generate in a first control mode device light (101), wherein the light generating device (100) comprises (i) a first source (210) of first light (211), and (ii) a second source (220) of second light (221), different from the first light (211), wherein the second light (221) comprises cyan-like light having a wavelength selected from the range of 470-520 nm, wherein the device light (101) comprises the first light (211) and the second light (221), and wherein in the first control mode the first light (211) is white light and the device light (101) is white light enriched with cyan-like light.

Abstract: A fish lighting system has an input interface which receives instructions corresponding to a desired fish behavioral and/or physiological response. This is converted into a lighting control signal for driving a lighting arrangement, with the intensity and color of the output from the lighting arrangement selected to obtain the desired fish behavioral and/or physiological response.

Abstract: A method of emitting light from one or more light emitting elements, the method comprising: emitting a first time period of photopic light, followed by emitting a first time period of scotopic light, followed by emitting a second time period of photopic light, and followed by emitting a second time period of scotopic light; wherein a first transition from the first time period of photopic light to the first time period of scotopic light is different compared to a second transition from the second time period of photopic light to the second time period of scotopic light, and/or wherein a third transition from the first time period of scotopic light to the second time period of photopic light is different compared to a fourth transition from the second time period of scotopic light to the first time period of photopic light or a third time period of photopic light.

Abstract: A fish lighting system has an input interface (10) which receives instructions corresponding to a desired fish behavioral and/or physiological response (12). This is converted into a lighting control signal (RGB, t) for driving a lighting arrangement (18), with the intensity and color of the output from the lighting arrangement selected to obtain the desired fish behavioral and/or physiological response.

Abstract: A controller for controlling illumination emitted by lighting elements within an environment comprising animals and a respective filter between each of animal and the lighting elements, the controller configured to: control the lighting elements to emit illumination having a first spectral composition for a first time period to produce, on a first side of the filter, a first level of illumination as experienced by a visual system of the animals; control the lighting elements to emit illumination having a second, different spectral composition for a second, subsequent time period to produce, on the first side of the filter, a second, different level of illumination as experienced by the visual system of the animals; and control the lighting elements to emit illumination throughout the first and second time periods to maintain, on a second side of the filter, a minimum level of illumination as experienced by a visual system of the animals.

Abstract: The invention provides alighting device (1) comprising a solid state light source (10) configured to generate light source light (11) and a converter element (100) configured to convert at least part of the light source light (11) into converter element light (101), wherein the converter element (100) comprises a polymeric host matrix element (120) hosting a particulate first luminescent material (110) of the type M2AX6 doped with tetravalent manganese, wherein M comprises an alkaline cation, wherein A comprises a tetravalent cation, and wherein X comprises a monovalent anion, at least comprising fluorine (F), wherein the particulate first luminescent material (110) is available in the polymeric host matrix element (120) with an average weight percentage x averaged over the polymeric host matrix element (120), wherein the polymeric host matrix element (120) has a first outer face (121), wherein an outer layer volume defined by at least part of the first outer face (121) and a first distance (dl) from said fir

Abstract: The invention provides a light generating device (100) configured to generate in a first control mode device light (101), wherein the light generating device (100) comprises (i) a first source (210) of first light (211), and (ii) a second source (220) of second light (221), different from the first light (211), wherein the second light (221) comprises cyan-like light having a wavelength selected from the range of 470-520 nm, wherein the device light (101) comprises the first light (211) and the second light (221), and wherein in the first control mode the first light (211) is white light and the device light (101) is white light enriched with cyan-like light.

Abstract: A method of emitting light from one or more light emitting elements, the method comprising: emitting a first time period of photopic light, followed by emitting a first time period of scotopic light, followed by emitting a second time period of photopic light, and followed by emitting a second time period of scotopic light; wherein a first transition from the first time period of photopic light to the first time period of scotopic light is different compared to a second transition from the second time period of photopic light to the second time period of scotopic light, and/or wherein a third transition from the first time period of scotopic light to the second time period of photopic light is different compared to a fourth transition from the second time period of scotopic light to the first time period of photopic light or a third time period of photopic light.

Abstract: An OLED lighting module comprising a support (2); an OLED lighting panel (3) with an emissive side with emissive and non-emissive areas (38) and an opposite side which comprises an OLED substrate (31), an OLED light-generating unit and a circuit board (34); an opaque liner with a first section (41) that covers at least part of the non-emitting areas (38) over the OLED substrate and a second section (42) that extend past the edges of the OLED substrate on the emissive side of the OLED panel; and an opaque bezel (6) in contact with the support (20), the opaque bezel (6) covering at least part of the second section (42) of the opaque liner but not the first section (41) of the opaque liner. By covering only that portion of an opaque liner that extends past the edges of the OLED substrate with a bezel and not the OLED substrate itself, the module can be made thin.