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Freeform optical structures for direct-lit applications
Freeform optical structures for direct-lit applications
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机译:用于直接亮度应用的自由型光学结构
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摘要
An optical apparatus with a distance-to-height ratio, DHR, greater than 2, operable to emit light with a homogenized radiance distribution, the apparatus comprising a plurality of light sources, arranged in an array, a diffusor device at an exit surface of the apparatus, a transparent substrate, arranged between the plurality of light sources and the exit surface, the substrate comprising a plurality of freeform, FF, optical structures wherein the freeform structures are arranged on a bottom side of the transparent substrate facing the light sources.
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