Sandwich-structure transferable free-form OLEDs for wearable and disposable skin wound photomedicine

查看全文 作　　者：Yongmin [1]Jeon;Hye-Ryung [2]Choi;Jeong Hyun [1]Kwon;Seungyeop [1]Choi;Kyung Mi [2]Nam;Kyoung-Chan [2]Park;Kyung Cheol [1]Choi

机构地区：[1]School of Electrical Engineering,Korea Advanced Institute of Science and Technology(KAIST),Daejeon 34141,Republic of Korea;[2]Department of Dermatology,Seoul National University Bundang Hospital(SNUBH),Seongnam 13620,Republic of Korea

出　　处：《Light(Science & Applications)》索引2019年第8卷第1期,共15页

基　　金：supported by the Engineering Research Center of Excellence(ERC)Program;supported by the National Research Foundation(NRF)of the Korean Ministry of Science;ICT&Future Planning(MSIP)(Grant No.NRF-2017R1A5A1014708). 摘　　要：Free-form optoelectronic devices can provide hyper-connectivity over space and time.However,most conformable optoelectronic devices can only be fabricated on flat polymeric materials using low-temperature processes,limiting their application and forms.This paper presents free-form optoelectronic devices that are not dependent on the shape or material.For medical applications,the transferable OLED(10μm)is formed in a sandwich structure with an ultra-thin transferable barrier(4.8μm).The results showed that the fabricated sandwich-structure transferable OLED(STOLED)exhibit the same high-efficiency performance on cylindricalshaped materials and on materials such as textile and paper.Because the neutral axis is freely adjustable using the sandwich structure,the textile-based OLED achieved both folding reliability and washing reliability,as well as a long operating life(>150 h).When keratinocytes were irradiated with red STOLED light,cell proliferation and cell migration increased by 26 and 32%,respectively.In the skin equivalent model,the epidermis thickness was increased by 39%;additionally,in organ culture,not only was the skin area increased by 14%,but also,reepithelialization was highly induced.Based on the results,the STOLED is expected to be applicable in various wearable and disposable photomedical devices. 关键词：OPTOELECTRONIC STRUCTURE transfer

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Sandwich-structure transferable free-form OLEDs for wearable and disposable skin wound photomedicine

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