High-density matrix-addressable AlInGaN-Based 368-nm microarray light-emitting diodes

被引:57
作者
Jeon, CW [1 ]
Choi, HW [1 ]
Gu, ER [1 ]
Dawson, MD [1 ]
机构
[1] Univ Strathclyde, Inst Photon, Glasgow G4 0NW, Lanark, Scotland
关键词
GaN; microarray light-emitting diodes (microLEDs); photolithography; ultraviolet light-emitting diode (UV-LED);
D O I
10.1109/LPT.2004.835626
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
We report on the fabrication of ultraviolet (UV) microarray light-emitting diodes, toward applications including mask-free photolithographic exposure. Devices with 64 x 64 elements have been fabricated in matrix-addressed format, generating directed output powers of up to 1 muW per 20-mum-diameter element at less than 1.0-mA drive current. The resistance of each elemental device was found to depend strongly on the n-GaN stripe length. The center wavelength of the emission was measured to be 368 nm, which is very close to that of an i-line (365 nm) UV light source. To our knowledge, this is the first report detailing the fabrication and performance of such devices operating in the UV.
引用
收藏
页码:2421 / 2423
页数:3
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