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Journal Article
Improvement of Light Out-Coupling in Organic Light-Emitting Diodes by Printed Nanosized Random Texture Layer
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- Authors
- Se Joong Shin, Tae Hyun Park, Jin Hwan Choi, Eun Ho Song, Hakkoo Kim, Hyun Jun Lee, Jeong-Ik Lee, Hye Yong Chu, Kyu Back Lee, Young Wook Park, Byeong-Kwon Ju
- Issue Date
- 2012-11
- Citation
- Organic Electronics, v.14, no.1, pp.187-192
- ISSN
- 1566-1199
- Publisher
- North-Holland
- Language
- English
- Type
- Journal Article
- Abstract
- We demonstrate greatly improved light out-coupling efficiency and undistorted light output in organic light-emitting diodes (OLEDs) containing a nanosized random texture layer (nRTL). The nRTL is fabricated on a glass substrate by an inexpensive and simple printing process. Compared to a conventional device, OLEDs with the nRTL showed greatly improved power efficiency (+102%) at a luminance of 3000 cd/m2. The nRTL is free of viewing-angle-dependent color and brightness distortion and suitable for industrial mass production. © 2012 Elsevier B.V. All rights reserved.
- KSP Keywords
- Glass substrate, Light outcoupling, Organic light-emitting diodes(OLEDS), Power Efficiency, Printing process, angle-dependent, light output, light-emitting diode(LED), mass production, out-coupling efficiency, viewing angle