Sol-Gel Derived Transparent Zirconium-Phenyl Siloxane Hybrid for Robust High Refractive Index LED Encapsulant

被引：66

作者：

Kim, Yong Ho ^{[1
]}

Bae, Jun-Young ^{[1
]}

Jin, Jungho ^{[1
]}

Bae, Byeong-Soo ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, LOMC, Taejon 305701, South Korea

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

LED encapsulant; zirconium oligosiloxane; thermal stability; hybrid material; packaging; optical applications; OLEFINS; POLYMERIZATION; HYDROSILATION; COPOLYMERS; CATALYSTS; FLUORENE; TITANIUM; EPOXY;

D O I：

10.1021/am500315y

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report a zirconium-phenyl siloxane hybrid material (ZPH) that can be used as a robust LED encapsulant. The ZPH encapsulant was fabricated via hydrosilylation-curing of sol-gel derived multifunctional (vinyl- and hydride-functions) siloxane resins containing phenyl-groups and Zr-O-Si heterometallic phase for achieving a high refractive index (n approximate to 1.58). In thermal aging, the ZPH LED encapsulant exhibited superior performances with a high optical transparency (similar to 88% at 450 nm) and exhibited high thermal stability (no yellowing at 180 degrees C for 1008 h), compared to a commercial LED encapsulant (OE-6630, Dow Corning Corporation). This suggests potential for ZPH to be a robust LED encapsulant.

引用

页码：3115 / 3121

页数：7

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