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: The present invention relates to an illumination device comprising a number of light sources generating light and a number of light collecting means adapted to collect the generated light and to convert the collected light into a number of light beams that propagate along an optical axis. The light sources are arranged in a first group and second group of light sources which are individually controllable. The light collecting means and light sources are displaceable in relation to each other between a first position where the light collecting means collect light from the first group of light sources and convert the collected light into a number of first light beams, and a second position where the light collecting means collect light from the second group of light sources and convert the collected light from the second group of light sources into number of second light beams.

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 relates to a light fixture comprising at least one light source generating light; a light collector configured to collect at least a part of the light and to convert the light into a light beam propagating a long an optical axis, where the light beam is concentrated at an optical gate arranged along the optical axis and an optical assembly comprising at least one optical front lens. The optical assembly is configured to project at least a part of said light beam along said optical axis and the light fixture comprises a prism effect system. The prism effects system comprises a first prism comprising an entrance surface and a multi-faceted exit surface and a second prism comprising a multi-faceted entrance surface and an exit surface, where the first and second prism comprises an identical number of inverted facets.

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 iris diaphragm comprises a stationary ring, a rotatable adjusting ring, and a plurality of shutter blades. The plurality of shutter blades forms a diaphragm aperture inside the stationary ring and rotation of the adjusting ring moves the shutter blades inside the stationary ring whereby the size of the diaphragm aperture can be changed. The shutter blades are formed as a flat opaque surface and at least one of the shutter blades comprises at least one transparent region formed in said opaque surface. A light fixture comprises such iris diaphragm arranged between a light source generating a light beam and an optical assembly configured to project the light beam along an optical axis.

Abstract: The present invention relates to a light fixture comprising at least one light source generating light; a light collector configured to collect at least a part of the light and to convert the light into a light beam propagating a long an optical axis, where the light beam is concentrated at an optical gate arranged along the optical axis and an optical assembly comprising at least one optical front lens. The optical assembly is configured to project at least a part of said light beam along said optical axis and the light fixture comprises a prism effect system. The prism effect system comprises said prism effect system comprises a multi-faceted prism and a multi-regional color filter comprising a plurality of color filter regions having at least two different color filtering properties, wherein said multi-faceted prism and said multi-regional color filter are arranged adjacent each other.

Abstract: Various embodiments relate to a cooling module for cooling a plurality of LEDs that includes a heat sink having a LED side sand a cooling side arranged at opposite sides of the heat sink. The LEDs arranged on the LED side and a first flow channel and second cooling channel are arranged adjacent to each other at the cooling side. The cooling module comprises a first blower and a second blower respectively configured to blow cooling air in a first flow direction through the first flow channel in a second flow direction through the second flow channel, where the first flow direction and the second flow direction being opposite each other. Certain embodiments also related to the light fixture comprising such cooling module and approaches for cooling a plurality of LEDs.

Abstract: The present invention relates to a LED pixel device comprising: a plurality of individual controllable LED pixels arranged in an array; a LED pixel controller adapted to control said number of individual controllable LED pixels; an optical diffuser arranged in front of at least a part of said LED pixels, said optical diffuser receive light from said LED pixels and diffuses the received light; at least one diffuser actuator adapted to moved said LED pixels and said optical diffuser in relation to each other, diffuser controller adapted to control the diffuser actuator; wherein the optical diffuser and the LED pixels can be moved between a non-mixing position and a mixing position, where in said non-mixing position the light emitted by the LED pixels are separated when hitting the optical diffuser and where in the mixing position the light emitted by said LED pixels are at least partial overlapping when hitting said optical diffuser.

Abstract: Embodiments relate to a light emitting diode (LED) screen that includes a mounting frame; a plurality of LED modules arranged at said mounting frame, said LED modules comprises a plurality of LED pixels arranged in an array, and a plurality of retention systems configured to securing at least one of said LED module to said mounting frame. At least one of said retention systems comprises a male part, a female part adapted to receive said male part and a retention spring, said retention spring is movable between a retaining position and a non-retaining position, where, in said retaining position, said retention spring is configured to engage said male part and to provide a retaining force to said male part, said retaining force presses said mounting frame and said LED module together.

Abstract: The various embodiments relate to a LED strobe lighting fixture comprising a plurality of LEDs arranged in a linear array and which is configured to generate a strobe light effect. The light fixture comprises a central illumination LED array arranged between a first optical reflector and a second optical reflector. At a least one LED pixel array is configured to illuminate at least one of said first optical reflector and said second optical reflector. In one embodiment the LED pixels are configured to illuminate different parts of said first optical reflector or of said second optical reflector.

Abstract: The present invention relates to an illumination device comprising a number of light sources arranged in at least a first group of light sources and in a second group of light sources, where said first group of light sources and said second group of light sources are individually controllable. Optical means collect light from the first and second group of light sources and convert the collected light into a number of first and second light beams. The illumination device comprises further zoom adapted to change the beam diverges and/or width of respectively the first and second light beams and rotating means adapted to change the refraction of the light source beam in relation to a primary optical axis.

Abstract: The present invention relates to a projecting light fixture comprising a light source module comprising a plurality of light sources and a plurality of light collectors, where the light collectors collect light from the light sources and convert the collected light into a plurality of source light beams. The source light beams are concentrated at an optical gate where a beam shaping object is arranged and a projecting system is configured to project light passing through the beam shaping object along a primary optical axis. The light sources and light collectors are arrange in a plurality of groups each providing an illumination of the beam shaping object where the illuminations of the beam shaping object are different. The light fixture comprises a controller configure to vary the intensity of the different illuminations in relation to each other whereby a large number of new light effects can be provided.

Abstract: The present invention relates to a moving head light fixture comprising: a base; a yoke rotatable connected to the base; a head rotatable connected to the yoke. The head comprises at least one light source generating light. An actuator is adapted to rotate the yoke or the head. Magnetic means is attached to the axel of the actuator and generated a magnetic field, which is perpendicular to the actuator axel. A magnetic encoder is fixed in relation to the axel and provides at an axel position signal based the magnetic field is indicative of the angular position of the axel in relation to the magnetic encoder. Indication means provides an indication signal when the yoke or head is positioned at a number of predetermined angular positions in relation. Processing means are adapted to control the moving head light fixture based on the actuator axel position signal and the indication signal.

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 invention relates to an illumination device comprising a group of first light sources, a plurality of optical lenses, a plurality of beam generating elements, where each of the beam generating elements is configured to collect the light of at least one first light source to generate a light beam of the collected light and to pass the generated light beam to one of the optical lenses, a group of second light sources, and a plurality of shielding elements, where each shielding element is arranged between at least one of the second light sources and one of the plurality of optical lenses in such a way that said at least one of the second light source illuminates only one of the plurality of optical lenses.