Preparation and properties of the flexible remote phosphor film for blue chip-based white LED

被引：35
|
作者：
Jia, Jing [1 ,2 ]
Zhang, Aiqin [1 ,3 ]
Li, Dongxin [1 ,2 ]
Liu, Xuguang [1 ,4 ]
Xu, Bingshe [1 ,5 ]
Jia, Husheng [1 ,2 ]
机构：
[1] Taiyuan Univ Technol, Key Lab Interface Sci & Engn Adv Mat, Minist Educ, 79 Yingze St, Taiyuan 030024, Peoples R China
[2] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
[3] Taiyuan Univ Technol, Coll Text Engn, Taiyuan 030600, Peoples R China
[4] Taiyuan Univ Technol, Coll Chem & Chem Engn, Taiyuan 030024, Peoples R China
[5] Shanxi Res Ctr Adv Mat Sci & Technol, Taiyuan 030024, Peoples R China
来源：
MATERIALS & DESIGN | 2016年 / 102卷
基金：
对外科技合作项目（国际科技项目）;
关键词：
WLED; Yttrium aluminum garnet (YAG); Remote phosphor film; Luminescence; Flexible; LIGHT; DIODES;
D O I：
10.1016/j.matdes.2016.04.022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple and effective method for larger area flexible and relatively uniform phosphor film layer for blue chip-based white LED is presented in this paper. Besides having a certain ultraviolet resistance and thermal stability, the proposed yttrium aluminum garnet (YAG) phosphor film also achieved applicable color temperature (T-c of 5480 K and 4900 K), color rendering index (CRI of 68.4 and 70) and luminous efficiency (121.7 and 77 lm/W) when simply assembled with single blue chip and high-power COB separately. The preparation process and its test results suggested flexible phosphor film consists of YAG phosphor particles and common silicone without additional converter devices, which has positive practical significance for the packaging of remote phosphor-converted white LEDs. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：8 / 13
页数：6
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