Study on the ultimate efficiency of organic light-emitting diodes based on trans-scale optical simulation통합형 광학 시뮬레이션에 기반한 유기 발광 다이오드의 궁극적 효율에 대한 고찰

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dc.contributor.advisorYoo, Seunghyup-
dc.contributor.advisor유승협-
dc.contributor.authorSong, Jinouk-
dc.date.accessioned2022-04-21T19:34:03Z-
dc.date.available2022-04-21T19:34:03Z-
dc.date.issued2021-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=962456&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/295667-
dc.description학위논문(박사) - 한국과학기술원 : 전기및전자공학부, 2021.8,[viii, 92 p. :]-
dc.description.abstractWe explored a systematic way to realize the achievable highest external quantum efficiency (EQE) for a given organic light-emitting diode (OLED) device with micro-lens array (MLA) or scattering layer (SL) based on trans-scale optical simulation. In the case of OLEDs fabricated on a glass substrate with SL, optimized OLED stacks based on highly horizontally oriented dipole emitters exhibited a maximum EQE of 56.3% by coupling with nanoparticle-based scattering layers tailored via Mie theory. However, global optimization result comparing MLA and a SL revealed that MLA could give the higher maximum EQE when high refractive index outcoupling layer as well as substrate is applied to OLED to extract light in waveguided mode additionally. Therefore, the sapphire MLA was applied to the optimized OLEDs fabricated on high refractive index substrate. At this time, the maximum 63% of EQE was demonstrated.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectOrganic light-emitting diode▼aUltimate efficiency▼aTrans-scale optical simulation▼aGlobal optimization-
dc.subject유기 발광 다이오드▼a궁극적 효율▼a통합형 광학 시뮬레이션▼a글로벌 최적화-
dc.titleStudy on the ultimate efficiency of organic light-emitting diodes based on trans-scale optical simulation-
dc.title.alternative통합형 광학 시뮬레이션에 기반한 유기 발광 다이오드의 궁극적 효율에 대한 고찰-
dc.typeThesis(Ph.D)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :전기및전자공학부,-
dc.contributor.alternativeauthor송진욱-
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