Excellent color quality of white-light-emitting diodes by embedding quantum dots in polymers material

Huang Yu Lin, Sheng Wen Wang, Chien-Chung Lin, Kuo Ju Chen, Hau Vei Han, Zong Yi Tu, Hsien Hao Tu, Teng-Ming Chen, Min Hsiung Shih, Po-Tsung Lee, Huang-Ming Chen, Hao-Chung Kuo

研究成果: Article同行評審

34 引文 斯高帕斯(Scopus)

摘要

This study employs the polyfluorene composite (called Green B) with several colors of quantum dots to generate the high-color-rendering index (CRI) white LEDs. The Green B polymer is a good candidate to manufacture the hybrid w-LED because of its good quantum efficacy. The hybrid w-LEDs are fabricated by the mixing of Green B with yellow quantum dots and red quantum dots or orange quantum dots to obtain the correlated color temperatures of 3500 and 5500 K. The use of the hybrid polymer/QDs w-LEDs is proved to be beneficial as QD w-LEDs can improve the CRI up to 90 in 3500 K. The luminous efficiency of such devices can be as high as 17.2l m/W.

原文English
文章編號7138577
頁數7
期刊IEEE Journal of Selected Topics in Quantum Electronics
22
發行號1
DOIs
出版狀態Published - 1月 2016

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