Mixed-host-emitting layer for high-efficiency organic light-emitting diodes

The external quantum efficiency of organic light-emitting diodes (OLEDs) has been greatly improved in the last decade by engineering the device architecture of the emitting layer. Several approaches have been used to enhance the quantum efficiency of OLEDs by engineering the emitting layer, and of t...

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Bibliographic Details
Published inJournal of Information Display Vol. 15; no. 3; pp. 139 - 144
Main Author Lee, Jun Yeob
Format Journal Article
LanguageEnglish
Published Taylor & Francis 03.07.2014
한국정보디스플레이학회
Subjects
charge balance
fluorescent OLED
mixed host
phosphorescent OLED
quantum efficiency
전기공학
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ISSN1598-0316
2158-1606
DOI10.1080/15980316.2014.937364

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Summary:The external quantum efficiency of organic light-emitting diodes (OLEDs) has been greatly improved in the last decade by engineering the device architecture of the emitting layer. Several approaches have been used to enhance the quantum efficiency of OLEDs by engineering the emitting layer, and of these the most effective is the use of a mixed-host-emitting layer structure. The quantum efficiency of OLEDs can be improved by more than 30% with the use of the mixed-host-emitting layer. In this paper, the recent progress in the device performances of OLEDs through the use of the mixed-host-emitting layer is reviewed.
Bibliography:G704-002168.2014.15.3.006
ISSN:1598-0316
2158-1606
DOI:10.1080/15980316.2014.937364