Trichogenic Photostimulation Using Monolithic Flexible Vertical AlGaInP Light- Emitting Diodes

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Alopecia is considered an aesthetic, psychological, and social issue among modern people. Although laser-induced skin stimulation is utilized for depilation treatment, such treatment has significant drawbacks of high energy consumption, huge equipment size, and limited usage in daily life. Here, we present a wearable photostimulator for hair-growth applications using high-performance flexible red vertical light-emitting diodes (f-VLEDs). Flexible microscale LEDs were effectively fabricated by a simple monolithic fabrication process, resulting in high light output (similar to 30 mW mm(-2)), low forward voltage (similar to 2.8 V), and excellent flexibility for wearable biostimulation. Finally, trichogenic stimulation of a hairless mouse was achieved using high-performance red f-VLEDs with high thermal stability, device uniformity, and mechanical durability.
Publisher
AMER CHEMICAL SOC
Issue Date
2018-09
Language
English
Article Type
Article
Keywords

PATTERN HAIR LOSS; LEVEL LASER THERAPY; HUMAN SCALP HAIR; BETA-CATENIN; LED SOURCES; HUMAN SKIN; GROWTH; RED; DEVICES; LLLT

Citation

ACS NANO, v.12, no.9, pp.9587 - 9595

ISSN
1936-0851
DOI
10.1021/acsnano.8b05568
URI
http://hdl.handle.net/10203/246226
Appears in Collection
BS-Journal Papers(저널논문)MS-Journal Papers(저널논문)
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