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Effect of doped emitting layer on electrical and optical properties in blue organic light-emitting devices
- Authors
- Bang, Hyun Sung; Seo, Su Yul; Choo, Dong Chul; Kim, Tae Whan; Lee, Suk Jae; Seo, Ji-Hyun; Kim, Young Kwan; Chu, C.; Ha, J.
- Issue Date
- Jul-2009
- Publisher
- Elsevier Sequoia
- Keywords
- Blue organic light-emitting diode; Doping layer; Electrical property; Optical property
- Citation
- Thin Solid Films, v.517, no.17, pp 5314 - 5317
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Thin Solid Films
- Volume
- 517
- Number
- 17
- Start Page
- 5314
- End Page
- 5317
- ISSN
- 0040-6090
- Abstract
- Electrical and optical properties of blue organic light-emitting devices (OLEDs) with doped or undoped emitting layers (EMLs) consisting of a heterostructure layer or a single layer were investigated. The driving voltage of the OLEDs with an undoped heterostructure multiple EML was lower than those of both OLEDs with a single EML and a doped heterostructure multiple EML The electroluminescence spectra of the OLEDs with an undoped and a doped heterostructure EMLs showed dominant peaks related to two heterostructure layers.
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