On the Adjustment of the Color Temperature of White Light-Emitting Diodes by Femtosecond Laser Patterning

On the Adjustment of the Color Temperature of White Light-Emitting Diodes by Femtosecond Laser Patterning
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DOI：
10.1109/lpt.2010.2092760
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发表时间：
2011
期刊：
IEEE Photonics Technology Letters
影响因子：
2.6
通讯作者：
F. Wenzl;L. Kuna;C. Sommer;F. Reil;J. Krenn;P. Pachler;P. Hartmann
F. Wenzl;L. Kuna;C. Sommer;F. Reil;J. Krenn;P. Pachler;P. Hartmann
中科院分区：
工程技术3区
文献类型：
--
作者：
F. Wenzl;L. Kuna;C. Sommer;F. Reil;J. Krenn;P. Pachler;P. Hartmann

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我们表明，发光二极管 (LED) 封装的飞秒 (fs) 激光微结构在微调白光 LED 封装的色温方面具有很大潜力。在封装体积内制造的散射中心的数量允许将器件的色温精确调节至所需值。这为在各个 LED 封装之间实现最高精度的色彩再现提供了可能性。
We show that femtosecond (fs) laser microstructuring of light-emitting diode (LED) encapsulates has a high potential for the fine-tuning of the color temperatures of white LED packages. The number of scattering centers that are fabricated within the volume of the encapsulate allows the precise adjustment of the color temperature of the device to the desired value. This opens possibilities to achieve color reproducibility among individual LED packages with highest accuracy.