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View article: Enhanced audience sentiment analysis in IoT-integrated metaverse media communication
Enhanced audience sentiment analysis in IoT-integrated metaverse media communication Open
The convergence of Metaverse technologies, Internet of Things (IoT), and consumer electronics has given rise to an imperative need for scalable, real-time sentiment analysis that can process heterogeneous, high-velocity media flows. The tr…
View article: Recent Progress on Eye-Tracking and Gaze Estimation for AR/VR Applications: A Review
Recent Progress on Eye-Tracking and Gaze Estimation for AR/VR Applications: A Review Open
Visual information is crucial in human life, not only providing critical support for communication, learning, and decision-making, but also playing a key role in psychology, medicine, and science. Eye-tracking and gaze estimation have prom…
View article: The Performance Degradation of Red, Green, and Blue Micro-LEDs Under High-Temperature Electrical Stress
The Performance Degradation of Red, Green, and Blue Micro-LEDs Under High-Temperature Electrical Stress Open
In this work, the degradation in luminous characteristics of red, green, and blue (RGB) micro-LEDs (10 µm × 10 µm) under electrical stress at 360 K has been investigated. After 280 h of aging, the AlGaInP-based red micro-LEDs exhibit a 31.…
View article: Multicontrast MR-Guided Diffusion Model for Ultra-Low-Dose Brain PET Denoising in Temporal Lobe Epilepsy
Multicontrast MR-Guided Diffusion Model for Ultra-Low-Dose Brain PET Denoising in Temporal Lobe Epilepsy Open
View article: Emerging perovskite color converter for next-generation wireless communications
Emerging perovskite color converter for next-generation wireless communications Open
Color converters are indispensable components in photoluminescence white-light devices. As optical wireless communication (OWC) systems leveraging solid-state lighting (SSL) continue to evolve, the development of next-generation color conv…
View article: Flyrock distance prediction using a hybrid LightGBM ensemble learning and two nature-based metaheuristic algorithms
Flyrock distance prediction using a hybrid LightGBM ensemble learning and two nature-based metaheuristic algorithms Open
View article: Luminous Properties of Double-Side-Emitting LED Displays Employing All-in-One Devices
Luminous Properties of Double-Side-Emitting LED Displays Employing All-in-One Devices Open
Single-side-emitting LED displays have been widely utilized in various applications, but they have inherent limitations when it comes to scenarios requiring display content on both sides simultaneously. In this work, a double-side-emitting…
View article: High aspect ratio and damage-free multifocal femtosecond-laser stealth dicing towards wafer-scale GaN-based mini-LEDs
High aspect ratio and damage-free multifocal femtosecond-laser stealth dicing towards wafer-scale GaN-based mini-LEDs Open
Femtosecond laser has greatly enabled the development of high-resolution, high-aspect-ratio and damage-free nano-processing. In this study, we adopted single- and multifocal femtosecond laser stealth dicing to fabricate the on-wafer GaN-ba…
View article: Enhancing current spreading by designed P-electrode shapes for high efficiency and high modulation bandwidth micro-LEDs
Enhancing current spreading by designed P-electrode shapes for high efficiency and high modulation bandwidth micro-LEDs Open
Micro-LEDs are excellent candidates for high-resolution displays and visible-light communication (VLC). However, current crowding can significantly degrade the efficiency and modulation bandwidth of micro-LEDs, posing challenges to further…
View article: Impacts of removing the p-AlGaN electron blocking layer for ultra-low-current injected blue micro-LEDs
Impacts of removing the p-AlGaN electron blocking layer for ultra-low-current injected blue micro-LEDs Open
In this work, the 34 × 58 μ m 2 ultra-low-current injected blue micro-LEDs with and without p-AlGaN electron blocking layer (EBL) were fabricated. The measured optoelectronic performance of these micro-LEDs reveals that the peak external q…
View article: High-quality White Light OLED Devices Utilizing SiO<sub>2</sub> Nanospheres and Fluorescent Color-conversion Layer
High-quality White Light OLED Devices Utilizing SiO<sub>2</sub> Nanospheres and Fluorescent Color-conversion Layer Open
View article: Investigating the Thermal Insulation of the Typical Winter Clothing by the Elderly: Towards Accurate Predictions of Thermal Physiological Responses
Investigating the Thermal Insulation of the Typical Winter Clothing by the Elderly: Towards Accurate Predictions of Thermal Physiological Responses Open
View article: Joint Effects of Virtual Surfaces on Anti-Icing and Drag Reduction
Joint Effects of Virtual Surfaces on Anti-Icing and Drag Reduction Open
The operation of the anti-icing system of an airplane can modulate its aerodynamics, whilst an aerodynamic control can alter the icing condition. Therefore, one well-designed control strategy can be expected to yield two benefits, which, h…
View article: Soft Computing Techniques to Model the Compressive Strength in Geo-Polymer Concrete: Approaches Based on an Adaptive Neuro-Fuzzy Inference System
Soft Computing Techniques to Model the Compressive Strength in Geo-Polymer Concrete: Approaches Based on an Adaptive Neuro-Fuzzy Inference System Open
Media visual sculpture is a landscape element with high carbon emissions. To reduce carbon emission in the process of creating and displaying visual art and structures (visual communication), geo-polymer concrete (GePC) is considered by de…
View article: Rural development drives temporal turnover in plant diversity in a China’s scenic area
Rural development drives temporal turnover in plant diversity in a China’s scenic area Open
Rural development has the potential to improve the well-being of villagers, but it may also impact local plant diversity. In addition, plant diversity differs across various subareas of rural development efforts in scenic areas, reflecting…
View article: Mini-LED Backlight: Advances and Future Perspectives
Mini-LED Backlight: Advances and Future Perspectives Open
Miniaturized-light-emitting diode (mini-LED) backlights have emerged as the state-of-the-art technology for liquid crystal display (LCD), facilitating the improvement in a high dynamic range (HDR) and power saving. The local dimming techno…
View article: Ecological health evaluation of an urban riverside greenway based on the AHP-EWM-TOPSIS model: a case study of Hangzhou, China
Ecological health evaluation of an urban riverside greenway based on the AHP-EWM-TOPSIS model: a case study of Hangzhou, China Open
Riverside greenways are complex artificial–natural composite ecosystems that occupy significant linear open spaces in urban areas. Healthy riverside greenways promote public health and improve urban environmental quality. This study develo…
View article: Enhanced performance of GaN-based thin-film flip-chip LEDs with reflective current blocking layers
Enhanced performance of GaN-based thin-film flip-chip LEDs with reflective current blocking layers Open
To further enhance the performance of GaN-based thin-film flip-chip light-emitting diodes (TFFC-LEDs), we designed and fabricated two sets of high-power blue chips with conventional and reflective current-blocking layers (CBL) The conventi…
View article: Unraveling the spatial organization and development of human thymocytes through integration of spatial transcriptomics and single-cell multi-omics profiling
Unraveling the spatial organization and development of human thymocytes through integration of spatial transcriptomics and single-cell multi-omics profiling Open
View article: Toward a Comprehensive Evaluation of Student Knowledge Assessment for Art Education: A Hybrid Approach by Data Mining and Machine Learning
Toward a Comprehensive Evaluation of Student Knowledge Assessment for Art Education: A Hybrid Approach by Data Mining and Machine Learning Open
By analyzing students’ understanding of a certain subject’s knowledge and learning process, and evaluating their learning level, we can formulate students’ learning plans and teachers’ curricula. However, the large amount of data processin…
View article: LED Junction Temperature Measurement: From Steady State to Transient State
LED Junction Temperature Measurement: From Steady State to Transient State Open
In this review, we meticulously analyze and consolidate various techniques used for measuring the junction temperature of light-emitting diodes (LEDs) by examining recent advancements in the field as reported in the literature. We initiate…
View article: Understanding Penetration Attenuation of Permeable Concrete: A Hybrid Artificial Intelligence Technique Based on Particle Swarm Optimization
Understanding Penetration Attenuation of Permeable Concrete: A Hybrid Artificial Intelligence Technique Based on Particle Swarm Optimization Open
Permeable concrete is a type of porous concrete with the special function of water permeability, but the permeability of permeable concrete will decrease gradually due to the clogging behavior arising from the surrounding environment. To r…
View article: Investigation of optical polarization characteristics of ultraviolet-C AlGaN multiple quantum wells by angle-resolved cathodoluminescence
Investigation of optical polarization characteristics of ultraviolet-C AlGaN multiple quantum wells by angle-resolved cathodoluminescence Open
AlGaN-based ultraviolet-C (UV-C) light-emitting diodes (LEDs) face challenges related to their extremely low external quantum efficiency, which is predominantly attributed to the remarkably inadequate transverse magnetic (TM) light extract…
View article: Towards a Reliable Design of Geopolymer Concrete for Green Landscapes: A Comparative Study of Tree-Based and Regression-Based Models
Towards a Reliable Design of Geopolymer Concrete for Green Landscapes: A Comparative Study of Tree-Based and Regression-Based Models Open
The design of geopolymer concrete must meet more stringent requirements for the landscape, so understanding and designing geopolymer concrete with a higher compressive strength challenging. In the performance prediction of geopolymer concr…
View article: Prediction of Compressive Strength of Geopolymer Concrete Landscape Design: Application of the Novel Hybrid RF–GWO–XGBoost Algorithm
Prediction of Compressive Strength of Geopolymer Concrete Landscape Design: Application of the Novel Hybrid RF–GWO–XGBoost Algorithm Open
Landscape geopolymer concrete (GePoCo) with environmentally friendly production methods not only has a stable structure but can also effectively reduce environmental damage. Nevertheless, GePoCo poses challenges with its intricate cementit…
View article: Underground Mine Safety and Health: A Hybrid MEREC–CoCoSo System for the Selection of Best Sensor
Underground Mine Safety and Health: A Hybrid MEREC–CoCoSo System for the Selection of Best Sensor Open
This research addresses the paramount issue of enhancing safety and health conditions in underground mines through the selection of optimal sensor technologies. A novel hybrid MEREC-CoCoSo system is proposed, integrating the strengths of t…
View article: Mechanical Framework for Geopolymer Gels Construction: An Optimized LSTM Technique to Predict Compressive Strength of Fly Ash-Based Geopolymer Gels Concrete
Mechanical Framework for Geopolymer Gels Construction: An Optimized LSTM Technique to Predict Compressive Strength of Fly Ash-Based Geopolymer Gels Concrete Open
As an environmentally responsible alternative to conventional concrete, geopolymer concrete recycles previously used resources to prepare the cementitious component of the product. The challenging issue with employing geopolymer concrete i…
View article: Spatially resolved current density distribution in GaN-based flip-chip green mini-LEDs by microscopic hyperspectral imaging and modified two-level modeling
Spatially resolved current density distribution in GaN-based flip-chip green mini-LEDs by microscopic hyperspectral imaging and modified two-level modeling Open
A modified two-level model is proposed to study the spatially resolved current density distribution of GaN-based green miniaturized light-emitting diodes (mini-LEDs), combining with microscopic hyperspectral imaging. We found that the spat…
View article: Towards Designing Durable Sculptural Elements: Ensemble Learning in Predicting Compressive Strength of Fiber-Reinforced Nano-Silica Modified Concrete
Towards Designing Durable Sculptural Elements: Ensemble Learning in Predicting Compressive Strength of Fiber-Reinforced Nano-Silica Modified Concrete Open
Fiber-reinforced nano-silica concrete (FrRNSC) was applied to a concrete sculpture to address the issue of brittle fracture, and the primary objective of this study was to explore the potential of hybridizing the Grey Wolf Optimizer (GWO) …
View article: Luminous characteristics of high-voltage blue mini-light-emitting diodes
Luminous characteristics of high-voltage blue mini-light-emitting diodes Open
The luminous characteristics of flip-chip type high-voltage (HV) blue mini-light-emitting diodes (LEDs), which consist of three serially connected sub-mesas, have been investigated for the first time. The cryogenic electroluminescence belo…