標題: Enabling Lambertian-Like Warm White Organic Light-Emitting Diodes with a Yellow Phosphor Embedded Flexible Film
作者: Chen, Cheng-Chang
Lin, Huang-Yu
Li, Cheng-Hung
Wu, Jin-Han
Tu, Zong-Yi
Lee, Li-Ling
Jeng, Ming-Shan
Lin, Chien-Chung
Jou, Jwo-Huei
Kuo, Hao-Chung
光電系統研究所
光電工程學系
Institute of Photonic System
Department of Photonics
公開日期: 1-一月-2014
摘要: We demonstrate in this report a new constructive method of fabricating white organic light-emitting devices (OLEDs) with a flexible plastic film embedded with yellow phosphor. The flexible film is composed of polydimethylsiloxane (PDMS) and fabricated by using spin coating followed by peeling technology. From the results, the resultant electroluminescent spectrum shows the white OLED to have chromatic coordinates of 0.38 and 0.54 and correlated color temperature of 4200 K. The warm white OLED exhibits the yield of 10.3 cd/A and the luminous power efficiency of 5.4 lm/W at a luminance of 1000 cd/m(2). A desirable Lambertian-like far-field pattern is detected from the white OLEDs with the yellow phosphor containing PDMS film. This method is simple, reproducible, and cost-effective, proving to be a highly feasible approach to realize white OLED.
URI: http://dx.doi.org/10.1155/2014/851371
http://hdl.handle.net/11536/24959
ISSN: 1110-662X
DOI: 10.1155/2014/851371
期刊: INTERNATIONAL JOURNAL OF PHOTOENERGY
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