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首页> 外文会议>Fourth International Conference on Solid State Lighting >High CRI Phosphor Blends for Near UV LED Lamps
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High CRI Phosphor Blends for Near UV LED Lamps

机译：适用于近紫外LED灯的高CRI荧光粉混合物

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Currently, the highest color rendering index (CRI) value obtained in commercially available LED devices is around 90. This falls short of the CRI values typical for incandescent lamps (defined at 100). Similarly, the commercially available LEDs for higher color temperature have CRI values of 65-85, well below the theoretical maximum of 100. New phosphor blends are proposed for use with LED chips emitting in the 350-450 nm range. The application of such blends can afford CRI values greater than 95, over the entire range of color temperatures of interest for general illumination (2500K -8000K). In some cases, the CRI values approach the theoretical maximum of 100. LED based lamps with a steady state performance of 23 LPW and 25 lumens per chip at 3000K, with a general CRI (Ra) of 97 and a mean CRI (R1-R14) of 96 are demonstrated.
机译：当前，在市售的LED设备中获得的最高显色指数（CRI）值约为90。这低于白炽灯的典型CRI值（定义为100）。同样，市售的更高色温的LED的CRI值为65-85，远低于理论最大值100。建议将新的荧光粉混合物用于发射350-450 nm范围的LED芯片。在一般照明所关注的整个色温范围内（2500K -8000K），此类共混物的应用可提供大于95的CRI值。在某些情况下，CRI值接近理论最大值100。基于LED的灯在3000K时具有23 LPW和每芯片25流明的稳态性能，总体CRI（Ra）为97，平均CRI（R1-R14 ）的96个。

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