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Efficient Phosphorescent Green and Red Organic Light-Emitting Diodes Based on the Novel Carbazole-Type Host Material

Authors
Seo, Ji HyunKim, Hoe MinChoi, Eun YoungChoi, Dae HyukPark, Jung HwanLee, Kum HeeYoon, Seung SooKim, Young Kwan
Issue Date
Feb-2011
Publisher
AMER SCIENTIFIC PUBLISHERS
Keywords
Carbazole-Type Host; Organic Light-Emitting Diode; Green; Red
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.11, no.2, pp.1373 - 1376
Journal Title
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume
11
Number
2
Start Page
1373
End Page
1376
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/19943
DOI
10.1166/jnn.2011.3370
ISSN
1533-4880
Abstract
We developed a novel carbazole-type material, 9-phenyl-3,6-bis(4-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)-9H-carbazole (LPGH 153), and fabricated the green and red phosphorescent organic light-emitting diodes (OLEDs) using LPGH 153 as host. The red and green devices have the max. luminous efficiencies of 22.2 cd/A and 32.2 cd/A, respectively.
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