Optimization of nano-honeycomb structures for flexible w-LEDs

Huang Yu Lin, Yung Min Pai, Jing Xing Shi, Xin Yin Chen, Chunghsiang Lin, Chih Ming Weng, Tzu Yu Chen, Chien-Chung Lin, Martin David Brian Charlton, Yi-Pai Huang, Chyong-Hua Chen, Huang-Ming Chen, Hao-Chung Kuo*

*此作品的通信作者

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

This study presents the low cost fabrication of flexible white-light-emitting diodes (w-LEDs) with nano-honeycomb-structured phosphor films. Extending the dimensions of the nano-honeycomb structures improved the color uniformity of the flexible samples, and the 950-nm pattern sample demonstrated optimal color uniformity because this nano-pattern exhibited an excellent diffusion ability owing to its pitch size. In addition to color uniformity, the use of this nano-pattern improved the luminous efficiency. The 750-nm pattern exhibited the highest luminous efficiency (235.8 lm/W), which was approximately 7% higher than that exhibited by a non-patterned phosphor film sample. Thus, flexible w-LEDs with nano-honeycomb structure optimization have great potential to be used as next-generation lighting sources.

原文English
頁(從 - 到)20466-20476
頁數11
期刊Optics Express
25
發行號17
DOIs
出版狀態Published - 21 8月 2017

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