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Enhancement Mechanisms of the Color Purity in Blue Organic Light-Emitting Devices Fabricated Utilizing an Emitting Layer Containing Mixed Fluorescence and Phosphorescence Host Materials
- Bang, Hyun Sung;
- Choo, Dong Chul;
- Kim, Tae-Won;
- Lee, Suk Jae;
- Seo, Jeong Hyub;
- 외 1명
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1초록
The electrical and optical properties of blue organic light-emitting devices (OLEDs) containing a mixed host emitting layer (EML) consisting of a 1,3-bis(carbazole-9-yl) benzene (mCP) layer and a 3-tert-butyl-9,10-di(naphtha-2-yl) anthracene (TBADN) layer were investigated. The driving voltage of the OLEDs with a mixed host EML was smaller than that of the OLEDs with a single EML. The electroluminescence spectra for OLEDs containing a mixed host EML showed a dominant peak related to the mCP or the TBADN layer. The color coordinates of the OLEDs containing a 5% TBADN-doped mCP EML were (0.146, 0.091), indicative of the deep blue color coordinates.
키워드
Blue organic light-emitting devices; color purity; mixed host emitting layer; driving voltage; electroluminescence; color coordinates; COMBINATORIAL FABRICATION; ELECTROLUMINESCENT DEVICE; DIODES; EFFICIENCY; EMISSION
- 제목
- Enhancement Mechanisms of the Color Purity in Blue Organic Light-Emitting Devices Fabricated Utilizing an Emitting Layer Containing Mixed Fluorescence and Phosphorescence Host Materials
- 저자
- Bang, Hyun Sung; Choo, Dong Chul; Kim, Tae-Won; Lee, Suk Jae; Seo, Jeong Hyub; Kim, Young Kwan
- 발행일
- 2011-10
- 유형
- Article; Proceedings Paper
- 권
- 551
- 페이지
- 33 ~ 39