期刊
OPTICS LETTERS
卷 38, 期 20, 页码 4182-4185出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.38.004182
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资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Korea government (MSIP) (CAFDC/Byeong-Kwon Ju) [2007-0056090]
- NRF Project of the MEST [2012R1A6A3A04039396]
- IT R&D program of MKE/KEIT (Development of Eco-Emotional OLED Flat-Panel Lighting) [2009-F-016-01]
- NRF
- Korean Government (NRF-Global Ph.D. Fellowship Program)
- National Research Foundation of Korea [2012R1A6A3A04039396] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Improved out-coupling efficiency and low haze of organic light-emitting diode (OLED) lighting with an auxiliary electrode are demonstrated by selective microlens arrays (SMLAs). The microlens arrays, aligned with the auxiliary electrode, were selectively fabricated, since the fully packed microlens arrays lead to OLED lighting with high haze. The external quantum efficiency and power efficiency of the devices with the SMLAs increased by 32% when compared with the devices without these arrays. Using the SMLAs, dark grid lines in the emission region became brighter, with a low haze, and the spectra of the emitted light had no shift. (C) 2013 Optical Society of America
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