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Enhancement of Luminance Efficiency in Organic Light-Emitting Devices Utilizing Mixed Layers Embedded in Electron Transport Layers
- Authors
- Cha, Han-Moe; Choo, Dong Chul; Jung, Moon-Sic; Leem, Jae-Hyeon; Woo, Jun Taek; Lee, Sam Hyung; Kim, Tae Whan; Seo, Ji-Hyun; Park, Jung-Hyun; Kim, Young Kwan
- Issue Date
- Jan-2009
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- electron injection; hole injection; luminance efficiency; mixed elelctron transport layer; mixed layer; organic light-emitting devices
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.498, pp.242 - 248
- Indexed
- SCIE
SCOPUS
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 498
- Start Page
- 242
- End Page
- 248
- ISSN
- 1542-1406
- Abstract
- While the hole transport decreased in the mixed layer in the organic light-emitting devices (OLEDs) with an Al:lithium quinolate (Liq) mixed layers in the electron transport layer (ETL), the electron injection increased the Al:Liq mixed layer. The enhancement of luminance efficiency in the OLEDs with an Al:Liq mixed layer in the ETL originated from the more balance between the electrons and the holes in the emitting layer due to the decrease in the hole injection and the increase in the electron injection resulting from the existence of the Al:Liq mixed layer.
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