Results 31 to 40 of about 8,336,119 (285)
Recent advances in light outcoupling from white organic light-emitting diodes [PDF]
, 2015 M.C.G. is grateful to the Scottish Funding Council (via SUPA) for financial support.Organic light-emitting diodes (OLEDs) have been successfully introduced to the smartphone display market and have geared up to become contenders for applications in ...
Gather, M.C. +2 more
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IEEE Photonics Journal, 2020 We conducted a systematic investigation of the light extraction efficiency (LEE) of GaN-based vertical micro-scale light-emitting diode (μ-LED) structures using three-dimensional finite-difference time-domain (FDTD) simulations. The LEE of μ
Han-Youl Ryu +2 more
doaj +1 more source
Surface plasmon polariton modification in top-emitting organic light-emitting diodes for enhanced light outcoupling [PDF]
, 2014 We report on the enhanced light outcoupling efficiency of monochrome top-emitting organic light-emitting diodes (OLEDs). These OLEDs incorporate a hole transport layer (HTL) material with a substantially lower refractive index (∼ 1:5) than the emitter ...
Hofmann, S. +14 more
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Enhanced Light Extraction from Organic Light-Emitting Diodes with Micro-Nano Hybrid Structure
Nanomaterials, 2022 In this study, an external light extraction layer with a micro-nano hybrid structure was applied to improve the external light extraction efficiency of organic light-emitting diodes (OLEDs). A reactive ion-etching (RIE) process, using O2 and CHF3 plasma,
Eun-Jeong Bae +6 more
doaj +1 more source
Photonics, 2018 Recently developed graded photonic super-crystals show an enhanced light absorption and light extraction efficiency if they are integrated with a solar cell and an organic light emitting device, respectively.
Safaa Hassan +4 more
doaj +1 more source
Light extraction efficiency enhancement of colloidal quantum dot light-emitting diodes using large-scale nanopillar arrays [PDF]
, 2014 A colloidal quantum dot light-emitting diode (QLED) is reported with substantially enhanced light extraction efficiency by applying a layer of large-scale, low-cost, periodic nanopillar arrays. Zinc oxide nanopillars are grown on the glass surface of the
Hilmi Volkan Demir +31 more
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Optimization by a genetic algorithm of the light-extraction efficiency of a GaN light-emitting diode [PDF]
, 2015 Light extraction from light-emitting materials is fundamentally limited by internal reflections due to the high dielectric-constant contrast between the material that produces the light and the emergent medium.
Mayer, Alexandre, Bay, Annick
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IEEE Photonics Journal, 2021 Herein, we investigate the influence of an AlGaN metasurface on AlGaN-based deep-ultraviolet light-emitting diodes' light-extraction efficiency by utilizing the 3D finite-difference time-domain method.
Joosun Yun, Hideki Hirayama
doaj +1 more source
High extraction efficiency phosphor design applied in laser lighting
Optics Express, 2023 Laser lighting has great potential to be the next generation of general lighting due to its high brightness and directionality. However, the light extraction efficiency and luminous efficiency from the light exit surface are greatly limited since phosphor structure.
Meng, Yan, Mali, Gong, Jianshe, Ma
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Design rules for white light emitters with high light extraction efficiency
Optics Express, 2019 The finite-difference time-domain method is employed to study the light extraction efficiency of white light emitters. The cone arrays designed on top of white light emitters eliminate the dependency of light extraction on the wavelength and the cavity thickness and that leads to significant enhancement in light extraction efficiency for whole visible ...
Peifen Zhu +3 more
openaire +2 more sources