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학술지 Development of Solution-processable Blue/hybrid-white OLEDs Based on Thermally Activated Delayed
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저자
주철웅, 조현수, 권병화, 조남성, 김유현, 김윤희, 이종희
발행일
201809
출처
Journal of Industrial and Engineering Chemistry, v.65, pp.35-39
ISSN
1226-086X
출판사
한국공업화학회
DOI
https://dx.doi.org/10.1016/j.jiec.2018.03.030
협약과제
17PB3200, AMOLED TV용 soluble TFT 및 화소 형성 소재/공정 기술 개발, 주철웅
초록
In this work, hybrid-WOLEDs are fabricated by employing single emitting layers (S-EMLs), which consist of 5-(4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl)-10,10-diphenyl-5,10-dihydrodibenzo[b,e][1,4]azasiline (DTPDDA) as a blue thermally activated delayed fluorescent (TADF) emitter and bis(2-methyldibenzo[f,h]quinoxaline) (acetylacetonate)iridium(III) (Ir(MDQ)2acac) as a phosphorescent red emitter. This architecture employs EMLs of a blue exciplex-forming co-host, which are hole transport type host material was 1,3-bis(N-carbazolyl) benzene (mCP) and the electron transport type host material was diphenylphosphine oxide-4-(triphenylsilyl)phenyl (TSPO1). The resulting hybrid-WOLEDs showed maximum external quantum efficiency (EQE) of 6.16% and current efficiency (CE) of 11.58 cd/A with Commission Internationale de L'Eclairage coordinates of (0.32, 0.33).
키워드
hybrid WOLED, OLED, TADF
KSP 제안 키워드
6-diphenyl-1, Co-host, Diphenylphosphine oxide, Electron Transport, External Quantum Efficiency, Hole transport, Red emitter, current efficiency, host material, solution-processable, thermally activated