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Trichogenic Photostimulation Using Monolithic Flexible Vertical AlGaInP Light-Emitting Diodes
ACS Nano ( IF 13.709 ) Pub Date : 2018-08-22 , DOI: 10.1021/acsnano.8b05568
Han Eol Lee, Seung Hyun Lee, Minju Jeong, Jung Ho Shin, Yuri Ahn, Daesoo Kim, Sang Ho Oh, Seok Hyun Yun, Keon Jae Lee

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 (∼30 mW mm–2), low forward voltage (∼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.
更新日期:2018-08-22

 

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