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Enhancement of light extraction from light emitting diodes
AI Zhmakin - Physics Reports, 2011 - Elsevier
The large amount of light emitted from a light emitting diode (LED) being trapped inside the
semiconductor structure is the consequence of the large value of the refractive index. The …
semiconductor structure is the consequence of the large value of the refractive index. The …
Efficiency models for GaN-based light-emitting diodes: Status and challenges
J Piprek - Materials, 2020 - mdpi.com
Light-emitting diodes (LEDs) based on Gallium Nitride (GaN) have been revolutionizing
various applications in lighting, displays, biotechnology, and other fields. However, their …
various applications in lighting, displays, biotechnology, and other fields. However, their …
Semipolar (20^-2^-1) InGaN/GaN Light-Emitting Diodes for High-Efficiency Solid-State Lighting
This work examines the effects of polarization-related electric fields on the energy band
diagrams, wavelength shift, wave function overlap, and efficiency droop for InGaN quantum …
diagrams, wavelength shift, wave function overlap, and efficiency droop for InGaN quantum …
From large‐size to micro‐LEDs: scaling trends revealed by modeling
SS Konoplev, KA Bulashevich… - physica status solidi …, 2018 - Wiley Online Library
General trends in scaling dimensions of a circular‐shaped flip‐chip light‐emitting diode
(LED) are studied by coupled electrical‐thermal‐optical simulations. Advanced chip design …
(LED) are studied by coupled electrical‐thermal‐optical simulations. Advanced chip design …
Active-matrix GaN micro light-emitting diode display with unprecedented brightness
Displays based on microsized gallium nitride light-emitting diodes possess extraordinary
brightness. It is demonstrated here both theoretically and experimentally that the layout of …
brightness. It is demonstrated here both theoretically and experimentally that the layout of …
Study on the current spreading effect and light extraction enhancement of vertical GaN/InGaN LEDs
This study analyzes the current spreading effect and light extraction efficiency (LEE) of
lateral and vertical light-emitting diodes (LEDs). Specifically, this study uses a fully 2-D …
lateral and vertical light-emitting diodes (LEDs). Specifically, this study uses a fully 2-D …
Current crowding effect on the ideality factor and efficiency droop in blue lateral InGaN/GaN light emitting diodes
By examining two types of lateral InGaN/GaN light emitting diodes with different contact
patterns, we demonstrate that in the intermediate range of current where the space-charge …
patterns, we demonstrate that in the intermediate range of current where the space-charge …
Effect of die shape and size on performance of III-nitride micro-LEDs: A modeling study
Flip-chip truncated-pyramid-shaped blue micro-light-emitting diodes (μ-LEDs), with different
inclinations of the mesa facets to the epitaxial layer plane, are studied by simulations …
inclinations of the mesa facets to the epitaxial layer plane, are studied by simulations …
Analysis of size-dependent optoelectronic properties of red AlGaInP micro-LEDs
K Fan, K Zheng, J Lv, B Zhao, Y Zhao, Y Chen, Y Qin… - Optics …, 2023 - opg.optica.org
We have theoretically investigated the size-dependent optoelectronic properties of
InGaP/AlGaInP-based red micro-LEDs through an electro-optical-thermal coupling model …
InGaP/AlGaInP-based red micro-LEDs through an electro-optical-thermal coupling model …
Effects of current, temperature, and chip size on the performance of AlGaInP-based red micro-light-emitting diodes with different contact schemes
We have investigated the performance of AlGaInP-based red micro-light-emitting diodes
(micro-LEDs) with different n-type contact schemes as functions of current, ambient …
(micro-LEDs) with different n-type contact schemes as functions of current, ambient …