Analysis of undulated micro-cavity in organic light-emitting diodes |
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Authors: | Baek-Woon Lee and Young-Gu Ju |
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Institution: | 1.Samsung Mobile Display,Giheung-gu, Yongin-si, Gyeonggi-do,Korea;2.Department of Physics Education,Kyungpook National University,Daegu,Korea |
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Abstract: | This paper investigates the internal physical mechanisms of undulated micro-cavity that controls the emission wavelength in
organic light-emitting diodes (OLEDs). Finite-difference-time-domain method is applied to a previously manufactured OLED design
featuring optical structure on a wavy over-coat layer. The emission spectrum of dipole oscillation is calculated with various
amplitudes of undulation and emission angles. In addition, the guided mode of an undulated micro-cavity is analyzed compared
with that of a flat micro-cavity. |
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Keywords: | |
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