Abstract: There is presented a light fixture (200) comprising an nation device (244) comprising a plurality of light sources (103) emitting light along an optical axis (247); an optical gate (242) arranged along the optical axis; a light collector (241) placed between the plurality of light sources (103) emitting and the optical gate (242) and adapted to collect light from the light sources and adapted to project at least a part of said light along said optical axis (247); and one or more color filters (251, 253), such as color filters for subtractive color mixing, such as dichroic filters or color gels or the like, such as arranged to be traversed by the optical axis (247), placed between the light collector (241) and the optical gate (242), and a converging optical component (263), such as a first converging optical component (263), placed between the one or more color filters (251, 253) and the optical gate (242) and further comprising an optical projecting system (243) placed on the opposite side of the optical gat

Abstract: There is presented a light fixture (200) comprising an nation device (244) comprising a plurality of light sources (103) emitting light along an optical axis (247); an optical gate (242) arranged along the optical axis; a light collector (241) placed between the plurality of light sources (103) emitting and the optical gate (242) and adapted to collect light from the light sources and adapted to project at least a part of said light along said optical axis (247); and one or more color filters (251, 253), such as color filters for subtractive color mixing, such as dichroic filters or color gels or the like, such as arranged to be traversed by the optical axis (247), placed between the light collector (241) and the optical gate (242), and a converging optical component (263), such as a first converging optical component (263), placed between the one or more color filters (251, 253) and the optical gate (242) and further comprising an optical projecting system (243) placed on the opposite side of the optical gat

Abstract: There is presented an illumination device (244) comprising a plurality of light sources (103) emitting light along an optical axis (247); a light collector (241) adapted to collect light from the light sources, wherein the plurality of light sources (103) comprises: A first group (404) of light sources comprising a plurality of light sources, which can be driven to emit white light, a second group (405) of light sources comprising a plurality of light sources which can be driven, such as can only be driven, to emit non-white light (such as green light), wherein the plurality of light sources can be driven so that a total Duv value of light emitted from the illumination device is closer to zero than each of a first Duv value of light emitted from the illumination device originating from the first group (404) of light sources and a second Duv value of light emitted form the illumination device originating from the second group (405) of light sources, and a luminous efficacy of the second group (405) of light so

Abstract: Embodiments of the current invention relate to a light collecting element that includes a plurality of light entrance surfaces, a light exit surface having a circularly shaped outer boundary, and a plurality of light collecting legs, each light collecting leg comprising a leg entrance surface and a leg exit surface, each light collecting leg being configured to guide and mix light entering the corresponding leg entrance surface and exiting the corresponding light collecting leg at the leg exit surface. The leg entrance surfaces of all of the light collecting legs form the plurality of light entrance surfaces of the light collecting element and the leg exit surfaces of all light collecting legs form the light exit surface having the circularly shaped outer boundary. The light collecting legs are arranged relative to one another such that light entering the light collecting legs at all leg entrance surfaces and exiting the light collecting element at the light exit surface converges at a focal plane.

Abstract: A method for controlling a multisource illumination device in gated optical system is provided. A plurality of light sources is divided into groups, and wherein each group is characterized by a respective radial distance from a primary optical axis. Therein, the dimming level of a group is controlled independently from the dimming level of other groups based on the radial distance of the group from the primary optical axis.

Abstract: An illumination device comprising a plurality of light sources emitting light along an optical axis, the light sources comprises a converting material capable of converting light into other wave lengths. An optical gate is arranged along the optical axis and a light collector is arranged between the light sources and the optical gate. The light collector comprises a plurality of lenslets adapted to collect light and to convert the collected light into a plurality of light propagate through the optical gate. An optical projecting system collects and projects at a part the light beams along the optical axis. A retro-reflector is arranged between the light collector and the plurality of light sources and is configured to reflect at least a part light back to the converting material of at least one of the light sources.

Abstract: A method for controlling a multisource illumination device in gated optical system is provided. A plurality of light sources is divided into groups, and wherein each group is characterized by a respective radial distance from a primary optical axis. Therein, the dimming level of a group is controlled independently from the dimming level of other groups based on the radial distance of the group from the primary optical axis.

Abstract: An illumination device comprising a plurality of light sources emitting light along an optical axis, the light sources comprises a converting material capable of converting light into other wave lengths. An optical gate is arranged along the optical axis and a light collector is arranged between the light sources and the optical gate. The light collector comprises a plurality of lenslets adapted to collect light and to convert the collected light into a plurality of light propagate through the optical gate. An optical projecting system collects and projects at a part the light beams along the optical axis. A retro-reflector is arranged between the light collector and the plurality of light sources and is configured to reflect at least a part light back to the converting material of at least one of the light sources.

Abstract: The present invention discloses an illumination device comprising: a first array of light sources comprising a number of a first type light sources and a number of a second type light sources; a second array of light sources comprising a number of said first type light sources; processing means adapted to controlling the first array by simultaneously controlling the intensity of all of said light sources light sources of the first array; controlling the second array by simultaneously controlling the intensity of all of the light sources light sources of the second array. The present invention discloses further a method for controlling such illumination device.

Abstract: An illumination device including a plurality of LEDs emitting light in different source colors is disclosed. The device receives an input signal indicative of at least a color and/or brightness to be emitted by the illumination device. The device also stores colorimetric data. The colorimetric data is indicative of colorimetric properties of the light emitted by the plurality of LEDs, where the colorimetric properties of the LEDs define the actual color gamut of the illumination device. The device also stores a predefined color gamut data. A processing unit generates an adjusted color gamut based on the actual color gamut and the predefined color gamut and activates the plurality of LEDs based on the input signal and the adjusted color gamut.

Abstract: The present invention relates to an illumination device illuminating an optical gate and projecting an image of the optical gate towards a target surface. The illumination device comprises a light source module generation light, an aperture delimiting the optical gate and a projecting system adapted to image the optical gate at a target surface. The light source module comprises a number of light sources and a number of light collecting means. The light collecting means comprise a central lens aligned along and a peripheral lens at least partially surrounding the central lens. The central lens collects and converts a first part of the light from the light source images the light source between the aperture the projecting system. The peripheral lens part collects and converts a second part of said light from said light source and is adapted to concentrate said second part of said light at said aperture.

Abstract: The present invention relates to an optical light mixer providing a homogenized and uniform light beam where the optical light mixer is formed of a solid transparent material and light enters the optical light mixer through an entrance surface and is reflected through said body to an exit surface where said light exits said optical light mixer. The optical light mixer comprises a first part formed as a pyramid frustum where the top surface of the pyramid frustum forms the entrance surface and a second part formed as a cone frustum and where the bottom surface the cone frustum forms the exit surface. The present invention relates also to an illumination device comprising a number of light sources and such optical light mixer.

Abstract: Embodiments relate to an illumination device comprising a plurality of LEDs emitting light in different source colors, the light of the illumination device being obtained by a combination of the source colors of the plurality of LEDs, an interface adapted to receive an input signal indicative of at least a color and/or brightness to be emitted by the illumination device, and a storage unit comprising colorimetric data indicative of colorimetric properties of the light emitted by the plurality of LEDs, where the colorimetric properties of the LEDs define the actual color gamut of the illumination device. The storage unit includes a predefined color gamut data, and a processing unit is adapted to generate an adjusted color gamut based on the actual color gamut and the predefined color gamut and generate an activation signal for the plurality of LEDs based on the input signal and the adjusted color gamut.

Abstract: An illumination device comprising a first light source generating first light beam having a first spectral distribution and a second light source generating a second light beam having a second spectral distribution. A first dichroic reflector is positioned in the first light beam and transmits a part of the first light beam and reflects a part of the second light beam. The first and second light beam propagates initially primarily in a first direction along an optical axis and reflecting means reflects the second light beam towards the dichroic reflector. The light sources, the dichroic reflector and reflecting means are mutually arranged such that the second light beam propagates primarily in a second direction substantially opposite the first direction and towards the first light source after being reflected by the reflecting means and such that the second light beam propagates substantial in the first direction after being reflected by the dichroic reflector.

Abstract: An illumination device a first light source array a first light source. The first light source can generate a first light beam having a first spectral distribution. The first light beam can propagate primarily in a first direction along an optical axis. A second light source array can be included, having a second light source that generates a second light beam having a second spectral distribution. Also included can be a first dichroic reflector positioned partially in the first and the second light beams. The first dichroic reflector can transmit a part of the first and the second light beams. The second light beam can propagate in a second direction towards a part of the first light source array and opposite the first direction. Further, a part of the second light beam can propagate primarily in first direction after being reflected by the first dichroic reflector.

Abstract: The present invention relates to a light fixture comprising an electrodeless plasma source, said electrodeless plasma source comprises a resonator and a light bulb, said light bulb is operating inside a cavity of a TIR where the TIR lens comprises a metal grid covering at least a part of said TIR lens, the metal grid grounding electromagnetic radiation generated by said electrodeless plasma source. In another embodiment, the light fixture comprises blowing means sending an air stream into the cavity. A further embodiment also comprises at least one LED, which ELPS bulb and the LED are controlled by a control system, which control system performs dimmer control of at least the ELPS and the LED.

Abstract: The present invention discloses an illumination device comprising: a first array of light sources comprising a number of a first type light sources and a number of a second type light sources; a second array of light sources comprising a number of said first type light sources; processing means adapted to controlling the first array by simultaneously controlling the intensity of all of said light sources light sources of the first array; controlling the second array by simultaneously controlling the intensity of all of the light sources light sources of the second array. The present invention discloses further a method for controlling such illumination device.

Abstract: An illumination device comprising a first light source generating first light beam having a first spectral distribution and a second light source generating a second light beam having a second spectral distribution. A first dichroic reflector is positioned in the first light beam and transmits a part of the first light beam and reflects a part of the second light beam. The first and second light beam propagates initially primarily in a first direction along an optical axis and reflecting means reflects the second light beam towards the dichroic reflector. The light sources, the dichroic reflector and reflecting means are mutually arranged such that the second light beam propagates primarily in a second direction substantially opposite the first direction and towards the first light source after being reflected by the reflecting means and such that the second light beam propagates substantial in the first direction after being reflected by the dichroic reflector.

Abstract: A method for forming a light beam, and a light assembly having at least one light source with a fixed reflector which directs a beam of light light assembly having a front lens, and a light deflecting mechanism for changing the light angle of the light beam after passing through the front lens. The front lens has a central part that differs from the surrounding parts of the front lens, and the light deflecting mechanism, in a first position, concentrates the light beam into the central part of the front lens to generate a wide-angle light beam, and in a second position, distributes the light beam over the entire front lens to generate a narrow angle light beam. The light deflecting mechanism is connected with a first actuator, and is movable between the first and the second position.