Excellent Color Quality of White-Light-Emitting Diodes by Embedding Quantum Dots in Polymers Material

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 fabricat...

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Published in:IEEE journal of selected topics in quantum electronics 2016-01, Vol.22 (1), p.35-41
Main Authors: 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, Chen, Huang-Ming Philip, Hao-Chung Kuo
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Language:English
Subjects:
Color
Light emitting diodes
light-emitting diodes (LEDs)
Phosphors
Photonics
Plastics
Quantum dots
quantum dots (QDs)
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cited_by cdi_FETCH-LOGICAL-c361t-a2a48ceab3ca8c1cf004ff05bcc8dcd4e3d40584a1f51c24bec28225782f0c2a3
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container_title IEEE journal of selected topics in quantum electronics
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creator 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
Chen, Huang-Ming Philip
Hao-Chung Kuo
description 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.
doi_str_mv 10.1109/JSTQE.2015.2441291
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source IEEE Electronic Library (IEL) Journals
subjects Color
Light emitting diodes
light-emitting diodes (LEDs)
Phosphors
Photonics
Plastics
Quantum dots
quantum dots (QDs)
title Excellent Color Quality of White-Light-Emitting Diodes by Embedding Quantum Dots in Polymers Material
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