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journal article·2020-09-01Open access

Comparison of organic light emitting diode performance using the spectroradiometer and the integrating sphere measurements

Won Ho Lee, P. Justin Jesuraj, Hassan Hafeez, Dong Hyun Kim, Chang Min Lee, Sang Hee Won, Sung Tae Shin, Sanghyuk Park, Tae-Sung Bae, Seung Min Yu, Myungkwan Song, Chang-Su Kim, Seung Yoon Ryu

AIP Advances· Volume 10· Issue 9
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Source abstract

Abstract

In this study, we present the comparison of device performance measurements for organic light emitting diodes using a spectroradiometer through the viewing angle and integrating sphere, widely used for device measurements. The mean calculation method using these results was applied to convert the spectroradiometer (under different viewing angles) data to match with the integrating sphere measurements. The conversion of the spectroradiometer based quantum efficiency and electroluminescence data from all different angular emission patterns was similar to that of the integrating sphere data within a reasonable range of deviation. As such, it is possible to reduce the recurring costs and required time between these two measurement techniques by bypassing the integrating sphere measurement.
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Research context

OpenAlex topics: Organic Light-Emitting Diodes Research · Organic Electronics and Photovoltaics · Semiconductor Lasers and Optical Devices

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Division of Display and Semiconductor Physics, Display Convergence, College of Science and Technology, Korea University Sejong 1 , Campus 2511 Sejong-ro, Sejong City 30019, South Korea

Department of Chemistry, Kongju National University 2 , 56 Gongjudaehak-ro, Gongju, Chungnam 32588, South Korea

Jeonju Center, Korea Basic Science Institute (KBSI) 3 , 20, Geonji-ro, Deokjin-gu, Jeonju, Jeollabuk-do 54907, South Korea

Surface Technology Division, Korea Institute of Materials Science (KIMS) 4 , Changwon 51508, South Korea

Funding

Korea University

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