Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 1997.07d
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- Pages.1563-1565
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- 1997
Preparation and Characteristics of Organic Electroluminescence Devices using Multilayer Structure with Carrier Transport Materials
다층막 구조를 이용한 유기 EL소자의 제작과 특성에 관한 연구
- Lee, Sang-Youn (School of Electronics & Electrical Eng., Hongik University) ;
- Kim, Young-Kwan (Dept. of Chemical Eng., Hongik University) ;
- Kim, Jung-Soo (School of Electronics & Electrical Eng., Hongik University)
- Published : 1997.07.21
Abstract
Electroluminescence(EL)devices based on organic thin layers have attracted lot of interests because of their possible application as large-area light-emitting display. One of the problems of such devices is lifetime of the cell, where the degradation of the cell is partially due to the crystalliyzation of organic layers. In large part, this problem can be solved by using a multilayer device structure prepared by vapor deposition technique. In this study, blue lightemitting multilayer organic electroluminescence devices were fabricated using Poly (9-vinyl-carbazole) (PVK) and 2-(4'-tert-butylpheny])-5-(4"-bis-phenyl)1,3,4-oxadiazole (PBD) as hole trasport and electron transport material, respectively, where tris(8-hydroxyquinolinate) aluminum (Alq3) was used as a luminescenct material. A cell structure of glass substrate/indume-tin-oxide(ITO)/PVK/
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