Enhancing of correlated color temperature uniformity for multi-chip white-light LEDs by adding SiO2 in phosphor layer

被引：24

作者：

Nguyen Doan Quoc Anh ^{[1
]}

Lai, Min-Feng ^{[1
]}

Ma, Hsin-Yi ^{[2
]}

Lee, Hsiao-Yi ^{[1
]}

机构：

[1] Natl Kaohsiung Univ Appl Sci, Dept Elect Engn, Kaohsiung 807, Taiwan

[2] Minghsin Univ Sci & Technol, Dept Ind Engn & Management, Hsinchu, Taiwan

来源：

JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS | 2015年 / 38卷 / 03期

关键词：

multi-chip white-light LEDs; angular correlated color temperature uniformity; silicon dioxide;

D O I：

10.1080/02533839.2014.981214

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Correlated color temperature uniformity (CCTU) is one of the most important performance factors for white-light LEDs. In this paper, we propose and demonstrate the improvement of the CCTU of the multi-chip white-light LED (MCW-LED) subsequent to adding silicon dioxides (SiO2) in phosphor structures. The experimental results show that the CCT peak-to-valley (P-V) deviation can thus be reduced to about 700K for an 8500K MCW-LED.

引用

页码：297 / 303

页数：7

共 38 条

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