Luminescent low temperature co-fired ceramics for high power LED package

被引：12

作者：

Ding, Youyi ^{[1
]}

Liu, Shixiang ^{[1
]}

Li, Xingyun ^{[1
]}

Wang, Rui ^{[2
]}

Zhou, Ji ^{[2
]}

机构：

[1] Univ Sci & Technol Beijing, Dept Chem, Beijing 100083, Peoples R China

[2] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 521卷

基金：

美国国家科学基金会;

关键词：

Luminescent; LTCC; CaO-B2O3-SiO2; LED; GLASS; DENSIFICATION;

D O I：

10.1016/j.jallcom.2011.12.143

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A kind of luminescent low temperature co-fired ceramics (LTCC) for high power LED package was developed. CBS (CaO-B2O3-SiO2) glass-ceramic doped with Eu3+, Bi3+ was prepared by sol-gel process and its sintered bodies were characterized by fluorescence spectrophotometer, X-ray diffraction (XRD), scanning electron microscopy (SEM). It is found that the optimal sintering temperature for this glass-ceramic is 875 degrees C, and the major phases of this material are CaSiO3, CaB2O4 and SiO2. The glass-ceramic possesses good yellow-red emission under 395 and 465 nm excitation, excellent dielectric properties: epsilon(r) = 3.94, tan delta < 0.002 at 1 MHz. Thus, this material is supposed to be used as the LTCC substrate material for the application in white LED packaging. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.

引用

页码：35 / 38

页数：4

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