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US 2013/0211794 A1Published application
Method of modeling an illumination device
AssigneeOSRAM GmbH
InventorJulius Muschaweck
Life of this patent
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Abstract
This invention relates to a method of designing an illumination device, wherein a light source unit is modeled with a set of rays. Therein, each ray is assigned a light power and is further characterized by a light volume, which specifies how “spread out” the light is in area and angle. In this way, a selection of rays with respect to their “density” becomes possible, and an optical system can be optimized for a transmission of those rays providing the most light per volume.
Claims18
A method of modeling a light source with a set of rays, wherein rays are at least characterized by a light power and an etendue,
- for providing information on a light power per etendue of said light source.
Dependencies are inferred from the claim text.