High uniformity in angular correlated-color-temperature distribution of white LEDs from 2800K to 6500K.

@article{Sun2012HighUI,
  title={High uniformity in angular correlated-color-temperature distribution of white LEDs from 2800K to 6500K.},
  author={Ching-Cherng Sun and Ching Yi Chen and Cheng-Chien Chen and Chih-Yu Chiu and Yi-Ning Peng and Yu-huan Wang and Tsung-Hsun Yang and Te-yuan Chung and Cheng-Yang Chung},
  journal={Optics express},
  year={2012},
  volume={20 6},
  pages={
          6622-30
        }
}
In this paper, to our best knowledge, it is the first time to present a precise simulation and detailed design of angular correlated color temperature (CCT) distribution of white LEDs covering a range of CCT from 2800K to 6500K. An optimized design of packaging structure with a silicone lens covering a phosphor dome performed an extreme small angular CCT deviation of 105K in the simulation and 182K in a corresponding real sample for a white LED with the CCT near 6500K. 

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