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Area-selective external light extraction for metal bus equipped large area transparent organic light-emitting diodes
- Authors
- Kang, Byoung-Kuk; Cho, Hyunsu; Han, Jun-Han; Shin, Jin-Wook; Song, Jinouk; Park, Seung Koo; Lee, Jonghee; Joo, Chul Woong; Kim, Eunhye; Yoo, Seunghyup; Lee, Jeong-Ik; Ju, Byeong-Kwon; Moon, Jaehyun
- Issue Date
- 7-Mar-2016
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.24, no.5, pp.5356 - 5365
- Indexed
- SCIE
SCOPUS
- Journal Title
- OPTICS EXPRESS
- Volume
- 24
- Number
- 5
- Start Page
- 5356
- End Page
- 5365
- ISSN
- 1094-4087
- Abstract
- Area-selective external light extraction films based on wrinkle structured films were applied to large transparent organic light-emitting diodes (TOLEDs) with auxiliary metal buses. To be specific, on the external surface of the glass, we selectively formed a wrinkle structured film, which was aligned to the auxiliary metal electrodes. The wrinkle-structured film was patterned using a photo-mask and UV curing, which has the same shape of the auxiliary metal electrodes. With this area-selective film, it was possible to enhance the external quantum efficiencies of the bottom and top emissions TOLEDs by 15.7% and 15.1%, respectively, without significant loss in transmittance. Widened angular luminance distributions were also achieved in both emissions directions. (C) 2016 Optical Society of America
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Related Researcher
- Ju, Byeong kwon
- College of Engineering (School of Electrical Engineering)