发明授权
US07740375B2 High brightness illumination device with incoherent solid state light source 失效
具有非相干固态光源的高亮度照明装置

High brightness illumination device with incoherent solid state light source
摘要:
An illumination light source includes an incoherent solid state light source adapted to emit light over at least one light emission surface and having a total light emission surface area S0; a light circulation device including at least one light receiving surface adapted to receive the light from the incoherent solid state light source, and a light extraction area having a first surface area S1; and a light extraction device for extracting the light from the light circulation device at the light extraction area, wherein S1
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