Considerations in device design and materials selection in organic light emitting diodes

被引：1

作者：

Wang, Z. B. ^{[1
]}

Helander, M. G. ^{[1
]}

Qiu, J. ^{[1
]}

Chang, Y. L. ^{[1
]}

Chai, L. ^{[1
]}

Puzzo, D. ^{[1
]}

Hudson, Z. M. ^{[2
]}

Wang, S. ^{[2
]}

Lu, Z. H. ^{[1
]}

机构：

[1] Univ Toronto, Dept Mat Sci & Engn, 184 Coll St, Toronto, ON M5S 3E4, Canada

[2] Queens Univ, Dept Chem, Kingston, ON K7L 3N6, Canada

来源：

ORGANIC LIGHT EMITTING MATERIALS AND DEVICES XVI | 2012年 / 8476卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

HIGH-EFFICIENCY; PHOSPHORESCENCE; EMISSION;

D O I：

10.1117/12.928187

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The development of high performance organic light emitting diodes (OLEDs) for display and lighting applications has attracted considerable research interest from both academia and industry. In this work, the designs of simplified phosphorescent OLEDs with exceptionally high efficiency are discussed. It is found that discrete blocking layers and a double emission zone are unnecessary to achieve high efficiency in optimized phosphorescent OLEDs. Due to the elimination of these redundant layers, the device structure can be highly simplified. It is also shown that single-layer, two organic component devices are feasible with state-of-the-art efficiency.

引用

页数：7

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