Properties of Czochralski grown Ce,Gd:Y3Al5O12 single crystal for white light-emitting diode

被引：76

作者：

Latynina, Anastasiya ^{[1
,3
]}

Watanabe, Makoto ^{[2
]}

Inomata, Daisuke ^{[2
]}

Aoki, Kazuo ^{[2
]}

Sugahara, Yoshiyuki ^{[3
]}

Villora, Encarnacion Garcia ^{[1
]}

Shimamura, Kiyoshi ^{[1
,3
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan

[2] KOHA Co Ltd, Tokyo 1760022, Japan

[3] Waseda Univ, Grad Sch Adv Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 553卷

关键词：

Oxide materials; Phosphors; Crystal growth; Optical properties; Luminescence; ILLUMINATION;

D O I：

10.1016/j.jallcom.2012.11.096

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：

Czochralski grown Ce and Gd-doped Y3Al5O12 (Ce, Gd:YAG) single crystal demonstrated superior performance features in a new concept of white LED where it is used as thin single crystal phosphor plates (SCPPs). New SCPP-based white LED realizes epoxy resin free package, which allows to eliminate the photodegradation issue of the organic material. Optical, thermal and electrical properties of SCPPs and SCPP-based white LEDs are discussed with the powder phosphor and commercial LED reference. SCPPs showed significantly higher values and better stability under the high temperatures, irradiation and current. Quantum efficiency was found to be as high as 93%. (C) 2012 Elsevier B. V. All rights reserved.

引用

页码：89 / 92

页数：4

共 9 条

[1]

[Anonymous], MAT SCI ENG

[2]

[Anonymous], P SPIE

[3]

Fasol G., 1997, BLUE LASER DIODE GAN

[4]

Fujita Shunsuke, 2005, Proceedings of the SPIE - The International Society for Optical Engineering, V5941, P594111, DOI 10.1117/12.614668

[5] Durable, ultraluminous structure for incandescent, high-power white-LED [J].

Ishikawa, T ;

Sakata, S ;

Mitani, A .

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, 2006, 3 (02) :144-149

[6] Solid-state lighting: failure analysis of white LEDs [J].

Narendran, N ;

Gu, Y ;

Freyssinier, JP ;

Yu, H ;

Deng, L .

JOURNAL OF CRYSTAL GROWTH, 2004, 268 (3-4) :449-456

[7] Selecting Morphology of Y3Al5O12:Ce3+ Phosphors for Minimizing Scattering Loss in the pc-LED Package [J].

Park, Byung Kyu ;

Park, Hoo Keun ;

Oh, Ji Hye ;

Oh, Jeong Rok ;

Do, Young Rag .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2012, 159 (04) :J96-J106

[8] Solid-state lighting: Toward superior illumination [J].

Shur, MS ;

Zukauskas, A .

PROCEEDINGS OF THE IEEE, 2005, 93 (10) :1691-1703

[9] Illumination with solid state lighting technology [J].

Steigerwald, DA ;

Bhat, JC ;

Collins, D ;

Fletcher, RM ;

Holcomb, MO ;

Ludowise, MJ ;

Martin, PS ;

Rudaz, SL .

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, 2002, 8 (02) :310-320

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