Inorganic red perovskite quantum dot integrated blue chip: a promising candidate for high color-rendering in w-LEDs

Inorganic perovskite quantum dots (IPQD) assisted by a yellow emitting YAG:Ce phosphor were integrated on a blue LED chip. The red perovskite quantum dot (R-PQD) assisted YAG:Ce phosphors exhibit warm white light with CCT (3328 K), high color rendering index (CRI 84.7) and a super high value of satu...

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Bibliographic Details
Published in:RSC advances 2016-01, Vol.6 (83), p.7941-79414
Main Authors: Singh, Bheeshma Pratap, Lin, Shin-Ying, Wang, Hung-Chia, Tang, An-Cih, Tong, Hung-Chun, Chen, Ching-Yi, Lee, Yu-Chun, Tsai, Tzong-Liang, Liu, Ru-Shi
Format: Article
Language:English
Subjects:
Chips
Colors (materials)
Illumination
Perovskites
Phosphors
Quantum dots
Rendering
White light
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Summary:Inorganic perovskite quantum dots (IPQD) assisted by a yellow emitting YAG:Ce phosphor were integrated on a blue LED chip. The red perovskite quantum dot (R-PQD) assisted YAG:Ce phosphors exhibit warm white light with CCT (3328 K), high color rendering index (CRI 84.7) and a super high value of saturated red color component R9 as 96. The results demonstrate that the inorganic red perovskite quantum dot assisted yellow phosphor material may be a potential candidate for the generation of warm white light for indoor lighting applications. Schematic representation of the generation of warm-white light via a red perovskite quantum dot (R-PQD) assisted YAG:Ce phosphor blend on a blue chip.
ISSN:2046-2069
2046-2069
DOI:10.1039/c6ra16040a