High color rendering index of warm WLED based on LuAG: Ce3+ PiG coated CaAlSiN3: Eu2+ phosphor film for residential lighting applications

被引：13
作者：
Wang, Ziming [1 ]
Zou, Jun [2 ]
Zhang, Canyun [2 ]
Shi, Mingming [2 ]
Yang, Bobo [2 ]
Li, Yang [1 ]
Zhou, Heyu [1 ]
Liu, Yiming [1 ]
Li, Mengtian [1 ]
Qian, Xinglu [2 ]
机构：
[1] Shanghai Inst Technol, Sch Mat Sci & Engn, Shanghai 201418, Peoples R China
[2] Shanghai Inst Technol, Sch Sci, Shanghai 201418, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2018年 / 29卷 / 10期
基金：
中国国家自然科学基金;
关键词：
IN-GLASS; EMITTING-DIODES; FACILE PREPARATION; THERMAL-STABILITY; WHITE; LUMINESCENCE; PHOTOLUMINESCENCE; ENHANCEMENT; FABRICATION;
D O I：
10.1007/s10854-018-8893-7
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The high color rendering index of warm white light-emitting diode (WLED) was fabricated using LuAG: Ce3+ PiG coated CaAlSiN3: Eu2+ phosphor film as converted materials. The LuAG: Ce3+ PiG and CaAlSiN3: Eu2+ phosphor film was prepared by low-temperature co-sintering and spin coating route, respectively. In this work, the thermal stability of LuAG: Ce3+ PiG through the thermal shock test was discussed. After that, the optical properties of Lu2.94-xYxAl5O12: 0.06Ce(3+) (x = 0, 0.2, 0.4, 0.6, 0.8) PiG coated CaAlSiN3: Eu2+ phosphor film converted WLEDs were investigated. When x value is 0.4, it exhibits a color rendering index of 94, correlated color temperature of 3087 K and luminous efficiency of 62 lm/W under 20 mA current driving. The package method has excellent developing potential for residential lighting applications.
引用
收藏
页码：8767 / 8773
页数：7
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