Patent application number | Description | Published |
20120300469 | Light Collector With Extended Center Lens - The present invention relates to a light collector for collecting light emitted by a light source and converting the collected light into a light beam. The light collector comprises a central lens part aligned along an optical axis of the light source where the central lens comprises a central entrance surface and a central exit surface. The light collector also has a peripheral lens part surrounding at least of part of the central lens. The peripheral lens comprises a peripheral entrance surface, a peripheral reflection surface and a peripheral exit surface. The central lens further comprises an extension part positioned between the central entry surface and the central exit surface and protrudes from the peripheral exit surface and elevates the central exit surface a distance above the peripheral exit surface. | 11-29-2012 |
20120313980 | Cooling Module For Multiple Light Source Projecting Device - The present invention relates to an illumination device comprising a number of light sources and a number light collecting means, where the light collecting means collect light generated by the first light sources and convert the light into a source light beam propagating primarily along a primary optical axis. The light source module comprises a cooling module comprising a number of interconnected plane mounting surfaces angled in relation to each other and where the light sources is arranged on said plane mounting surfaces. The cooling module comprises a first side comprising the mounting surfaces and a second side comprising a number of cooling fins defining a number of radial air channels. | 12-13-2012 |
20130003388 | Light Collector With Complementing Rotationally Asymmetric Central And Peripheral Lenses - The present invention relates to a light collector for collecting light emitted by a light source and converting the collected light into a light beam. The light collector comprises a central lens part aligned along an optical axis of the light source where the central lens comprises a central entrance surface and a central exit surface. The light collector also has a peripheral lens part surrounding at least of part of the central lens. The peripheral lens comprises a that said central lens and said peripheral lens is mutual adapted to convert said light emitted by said light source into a common light beam having a substantial circular and rotationally symmetric cross sectional light distribution, where said common light beam comprises said first light beam part and said second light beam part. | 01-03-2013 |
20130027442 | Projecting Device With Multiple Mutual Boosting Light Sources - The present invention relates to an illumination device comprising a number of light sources and a number light collecting means, where the light collecting means collect light generated by the first light sources and convert the light into a source light beam propagating primarily along a primary optical axis. At least one light modifier is positioned along the primary optical axis and reflect at least a part of the light. A first light source comprises a light converting material capable of converting light into longer wavelengths and a second light source generates light having at least one spectral component which can be converted by the converting material of the first light source. The first and said second light source are mutually positioned in relation to the primary optical axis such that at least a part of a the second source light beam hits the first light source after being reflected by said light modifier. | 01-31-2013 |
20140119005 | COLOR MIXING ILLUMINATION DEVICE - An illumination device or method of generating illumination using an illumination device is described with two light sources with different spectral distribution a number of displaceable light collectors collecting light from the light sources where in one mixing position receiving light from both light sources where at least one of the light sources has two independently controllable light emitting areas and in one mixing position the collecting area collects light form the first light emitting area and substantially not from the second light emitting area. Further an unrelated illumination device with at least one Light Emitting Diode, LED and a current spreader connected to and covering a first area of a first side of the lead, spreading current in an irregular pattern and a current controller controlling current flowing through the first current spreader. The current spreader can be patterned to produce a round beam illumination or illumination in a form of a static picture or logo. A round beam illumination can better cooperate with an optical system of lenses in an illumination device. Further the current spreader can be patterned to have lower current density in the centre to reduce/avoid temperature hotspot in the centre and obtain a more even die temperature. | 05-01-2014 |
20140133142 | MECHANICAL COLOR MIXING DEVICE - 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 a second group of light sources and the first and second group of light sources emits light having different spectral distribution. The light sources and the light collecting means are movable in relation to each other and can be positioned in a number of mixing positions, where in the number of mixing positions the light collecting means are adapted to collect at least a part of the light emitted by the first group of light sources and at least a part of the light emitted by said second group of light sources and to convert the collected light into number of mixed light beams. | 05-15-2014 |
20140218969 | ILLUMINATION DEVICE WITH MULTI-LAYERED HEAT SINK - The present invention relates to an illumination device where a number of light sources are arranged on a heat sink and adapted to emit light in substantially the same direction. The heat sink comprises a first cooling plate and a second cooling plate and a first part of the light sources are arrange on the first cooling plate and a second part of the light sources are arranged on the second cooling plate. The first and second cooling plates are further separated by a distance and a flow channel is defined there between. The flow channel allows cooling fluid to flow between the first cooling plate and the second cooling plate whereby the light sources can be cooled by the cooling fluid. The heat sink comprises further a number of light passages allowing light to propagate from the second cooling plate, towards the first cooling plate and through the first cooling plate. The present invention relates also to a method of cooling light sources emitting light in substantially the same direction. | 08-07-2014 |
20140301071 | ILLUMINATION DEVICE WITH MULTI-COLORED LIGHT BEAM - 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. First and second 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 first and second zoom optics adapted to change the beam diverges and/or width of respectively the first and second light beams and the illumination device is capable of controlling the first and second zoom optics individually. The present invention relates further to a method of controlling such illumination device. | 10-09-2014 |