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Individually Addressable AlInGaN Micro-LED Arrays With CMOS Control and Subnanosecond Output Pulses

We report the fabrication and characterization of an ultraviolet (370 nm) emitting AlInGaN-based micro-light- emitting diode (micro-LED) array integrated with complementary metal-oxide-semiconductor control electronics. This configuration allows an 8 × 8 array of micro-LED pixels, each of 72-mum dia...

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Published in:	IEEE photonics technology letters 2009-06, Vol.21 (12), p.811-813
Main Authors:	McKendry, J., Rae, B.R., Zheng Gong, Muir, K.R., Guilhabert, B., Massoubre, D., Gu, E., Renshaw, D., Dawson, M.D., Henderson, R.K.
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Language:	English
Subjects:	Application software Arrays Biomedical optical imaging complementary metal-oxide-semiconductor (CMOS) Diodes Direct current Emittance GaN Linear feedback shift registers micro-light-emitting diodes (micro-LEDs) microdisplays Optical computing Optical control Optical devices Optical feedback Optical pulses Optical transmitters Pixels Power generation Square waves Trains
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cited_by	cdi_FETCH-LOGICAL-c322t-66021e7911068a20d557135a3bf9780bbeb7af54bc4773cdfb503741f53df3353
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container_title	IEEE photonics technology letters
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creator	McKendry, J. Rae, B.R. Zheng Gong Muir, K.R. Guilhabert, B. Massoubre, D. Gu, E. Renshaw, D. Dawson, M.D. Henderson, R.K.
description	We report the fabrication and characterization of an ultraviolet (370 nm) emitting AlInGaN-based micro-light- emitting diode (micro-LED) array integrated with complementary metal-oxide-semiconductor control electronics. This configuration allows an 8 × 8 array of micro-LED pixels, each of 72-mum diameter, to be individually addressed. The micro-LED pixels can be driven in direct current (dc), square wave, or pulsed operation, with linear feedback shift registers (LFSRs) allowing the output of the micro-LED pixels to mimic that of an optical data transmitter. We present the optical output power versus drive current characteristics of an individual pixel, which show a micro-LED output power of up to 570 muW in dc operation. Representative optical pulse trains demonstrating the micro-LEDs driven in square wave and LFSR modes, and controlled optical pulsewidths from 300 ps to 40 ns are also presented.
doi_str_mv	10.1109/LPT.2009.2019114
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subjects	Application software Arrays Biomedical optical imaging complementary metal-oxide-semiconductor (CMOS) Diodes Direct current Emittance GaN Linear feedback shift registers micro-light-emitting diodes (micro-LEDs) microdisplays Optical computing Optical control Optical devices Optical feedback Optical pulses Optical transmitters Pixels Power generation Square waves Trains
title	Individually Addressable AlInGaN Micro-LED Arrays With CMOS Control and Subnanosecond Output Pulses
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