New nanostructure perovskite-based light-emitting diode with superior light extraction efficiency enhancement [PDF]
Scientific ReportsThe external quantum efficiency (EQE) of a perovskite-based light-emitting diode (PELED) is a key indicator, comprising the internal quantum efficiency (IQE) and light extraction efficiency (LEE).
Saeed Rahimi +2 more
doaj +5 more sources
Enhanced light extraction efficiency and viewing angle characteristics of microcavity OLEDs by using a diffusion layer. [PDF]
Sci Rep, 2021 The viewing angle characteristics and light extraction efficiency of organic light-emitting diodes (OLEDs) with a micro-cavity structure were enhanced.
Park CH +5 more
europepmc +4 more sources
Promoting Light Extraction Efficiency of Ultraviolet Light Emitting Diodes by Nanostructure Optimization [PDF]
Crystals, 2022 Ultraviolet (UV) light-emitting diodes (LEDs), as one of the more promising optoelectronic devices, are intrinsically limited by poor light extraction efficiencies (LEEs).
Biaomin Li +6 more
doaj +3 more sources
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 +3 more sources
Tripling the light extraction efficiency of a deep ultraviolet LED using a nanostructured p-contact [PDF]
Scientific Reports, 2022 Despite a wide array of applications, deep ultra-violet light emitting diodes offer relatively poor efficiencies compared to their optical counterparts.
Eduardo López-Fraguas +7 more
doaj +4 more sources
Enhancement of Light Extraction Efficiency Using Wavy-Patterned PDMS Substrates [PDF]
NanomaterialsThis study introduces an organic light-emitting diode (OLED) light extraction method using a wavy-patterned polydimethylsiloxane (PDMS) substrate created via oxygen (O2) plasma treatment. A rapid fabrication process adjusted the flow, pressure, duration,
Jian Cheng Bi +7 more
doaj +4 more sources
Study on Modulation Bandwidth and Light Extraction Efficiency of Flip-Chip Light-Emitting Diode with Photonic Crystals [PDF]
Micromachines, 2019 In this study, the photonic crystal structure is employed to increase both the light extraction efficiency and the modulation bandwidth of flip-chip GaN-based light-emitting diodes (LEDs).
Hong Wang +4 more
doaj +4 more sources
Light extraction efficiency enhancement of flip-chip blue light-emitting diodes by anodic aluminum oxide [PDF]
Beilstein Journal of Nanotechnology, 2018 We produced an anodic aluminum oxide (AAO) structure with periodic nanopores on the surface of flip-chip blue light-emitting diodes (FC-BLEDs).
Yi-Ru Huang +8 more
doaj +4 more sources
Enhanced light extraction efficiency of OLEDs with quasiperiodic diffraction grating layer
Optics Express, 2016 We presented enhanced light extraction efficiency of organic light emitting diodes (OLEDs) cells with a nano-sized diffraction grating layer. Various diffraction gratings of different morphologies including linear, cubic, hexagonal and quasiperiodic patterns were fabricated by multiplexing light interference exposure on an azobenzene thin film.
Tae-Bin Lim +3 more
semanticscholar +5 more sources
Enhancing Light Extraction Efficiency in OLED Using Scattering Structure-Embedded DMD-Based Transparent Composite Electrodes [PDF]
Nanomaterials, 2023 This study investigates the application of scattering structures to the metal layer in a DMD (Dielectric/Metal/Dielectric) configuration through plasma treatment. The purpose is to enhance the light extraction efficiency of organic light-emitting diodes (
Geun-Su Choi +3 more
doaj +2 more sources