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Journal articles on the topic 'Pixelated LED'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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1

Kim, Tae Kyoung, Abu Bashar Mohammad Hamidul Islam, Yu-Jung Cha, and Joon Seop Kwak. "32 × 32 Pixelated High-Power Flip-Chip Blue Micro-LED-on-HFET Arrays for Submarine Optical Communication." Nanomaterials 11, no. 11 (2021): 3045. http://dx.doi.org/10.3390/nano11113045.

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This work proposes the use of integrated high-power InGaN/GaN multiple-quantum-well flip-chip blue micro light-emitting diode (μ-LED) arrays on an AlGaN/GaN-based heterojunction field-effect transistor (HFET), also known as a high electron mobility transistor (HEMT), for various applications: underwater wireless optical communication (UWOC) and smart lighting. Therefore, we demonstrate high-power μ-LED-on-HEMT arrays that consist of 32 × 32 pixelated μ-LED arrays and 32 × 32 pixelated HEMT arrays and that are interconnected by a solder bump bonding technique. Each pixel of the μ-LED arrays emi
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Lee, Sang-Youl, Kiman Kang, Eunduk Lee, et al. "Improved Leakage and Output Characteristics of Pixelated LED Array for Headlight application." ECS Journal of Solid State Science and Technology 9, no. 4 (2020): 045011. http://dx.doi.org/10.1149/2162-8777/ab8b6f.

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Lu, Tao, Wei Feng, Yibo Liu, Ruoning Wang, Zhiyi Yu, and Zhaojun Liu. "P-9.3: Triple Modulation Visible Light Communications with Pixelated Addressable LED Array." SID Symposium Digest of Technical Papers 49 (April 2018): 665–69. http://dx.doi.org/10.1002/sdtp.12809.

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Zufri, Tubagus, and Nurul Aqmarina Ardani. "Reseach on the Application of Pixel Art in Game Character Design." IJVCDC (Indonesian Journal of Visual Culture, Design, and Cinema) 2, no. 1 (2023): 100–106. http://dx.doi.org/10.21512/ijvcdc.v2i1.8238.

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This paper analyses the trend, design fundamentals, and design principles of contemporary character design from digital game. It discusses that even though the design styles of today’s digital art era are flourishing with diverse thinking and visual approach, the classic pixel art style will never go out of style. The fundamental element of artistic design in pixel art style is a single element, a pixel. Many designers prefer using the single pixel style as the fundamental element of their artistic design, which has led to the creation of various intriguing design categories. Despite the preva
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Heo, Duchang, Kang-Woo Kim, Keedong Yang, Seongchae Jeon, and Beom Jin Moon. "Pixelated Photoinduced Discharge Readout X-Ray Detector Using 450-nm LED Line Beam." IEEE Sensors Journal 21, no. 17 (2021): 18656–62. http://dx.doi.org/10.1109/jsen.2021.3086502.

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Zhu, L., P. T. Lai, and H. W. Choi. "Microlens Array on Flip-Chip LED Patterned With an Ultraviolet Micro-Pixelated Emitter." IEEE Photonics Technology Letters 23, no. 15 (2011): 1067–69. http://dx.doi.org/10.1109/lpt.2011.2154323.

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Xiong, Zhaobin, CHO Wai Keung, Lihuan Qin, Zhiyi Yu, and Zhaojun Liu. "P-9.9: Design and Fabrication of Fine-Pitch-flexible-transparent Pixelated-Addressed Micro-LED Arrays." SID Symposium Digest of Technical Papers 49 (April 2018): 685–87. http://dx.doi.org/10.1002/sdtp.12815.

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Zhao, Xin-Yu, Li-Jing Li, Lei Cao, and Ming-Jie Sun. "Bionic Birdlike Imaging Using a Multi-Hyperuniform LED Array." Sensors 21, no. 12 (2021): 4084. http://dx.doi.org/10.3390/s21124084.

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Digital cameras obtain color information of the scene using a chromatic filter, usually a Bayer filter, overlaid on a pixelated detector. However, the periodic arrangement of both the filter array and the detector array introduces frequency aliasing in sampling and color misregistration during demosaicking process which causes degradation of image quality. Inspired by the biological structure of the avian retinas, we developed a chromatic LED array which has a geometric arrangement of multi-hyperuniformity, which exhibits an irregularity on small-length scales but a quasi-uniformity on large s
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Koch-Mehrin, Kjell A. L., Sarah L. Bugby, John E. Lees, Matthew C. Veale, and Matthew D. Wilson. "Charge Sharing and Charge Loss in High-Flux Capable Pixelated CdZnTe Detectors." Sensors 21, no. 9 (2021): 3260. http://dx.doi.org/10.3390/s21093260.

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Cadmium zinc telluride (CdZnTe) detectors are known to suffer from polarization effects under high photon flux due to poor hole transport in the crystal material. This has led to the development of a high-flux capable CdZnTe material (HF-CdZnTe). Detectors with the HF-CdZnTe material have shown promising results at mitigating the onset of the polarization phenomenon, likely linked to improved crystal quality and hole carrier transport. Better hole transport will have an impact on charge collection, particularly in pixelated detector designs and thick sensors (>1 mm). In this paper, the pres
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Ahn, Hyun-A., Seong-Kwan Hong, and Oh-Kyong Kwon. "An Active Matrix Micro-Pixelated LED Display Driver for High Luminance Uniformity Using Resistance Mismatch Compensation Method." IEEE Transactions on Circuits and Systems II: Express Briefs 65, no. 6 (2018): 724–28. http://dx.doi.org/10.1109/tcsii.2018.2790412.

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Sen, Rwik, Ngoc Tran, Sarah Traynor, Eric Maina, and Jason Poole. "Abstract 4731: Novel epigenetics technology for high-throughput processing of limited samples to study cancer using cavitation-based pixelated ultrasound and tagmentation-indexing ChIP-Seq." Cancer Research 83, no. 7_Supplement (2023): 4731. http://dx.doi.org/10.1158/1538-7445.am2023-4731.

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Abstract Epigenetics has shown great potential in translational, clinical, and precision medicine research, but with inadequate implementation. This is due to major problems with sample availability, and processing which is laborious, costly, slow, inconsistent, and leads to sample loss. Epigenetics studies need samples with certain minimum concentrations and volumes to address all necessary questions. The samples often need to be in single cell or nuclear suspensions. For chromatin immunoprecipitation (ChIP), a consistent size of approximately 300 base pairs of DNA is essential but difficult
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Hong, In Yeol, Jae Hyeok Lee, Sung Min Cho, et al. "Impact of Hydrothermally Grown ZnO Nanorods on External Quantum Efficiency of 32 × 32 Pixelated InGaN/GaN Micro-LED Array." IEEE Transactions on Nanotechnology 18 (2019): 160–66. http://dx.doi.org/10.1109/tnano.2018.2876467.

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13

Peng, Deng, Ke Zhang, and Zhaojun Liu. "Design and Fabrication of Fine-Pitch Pixelated-Addressed Micro-LED Arrays on Printed Circuit Board for Display and Communication Applications." IEEE Journal of the Electron Devices Society 5, no. 1 (2017): 90–94. http://dx.doi.org/10.1109/jeds.2016.2631220.

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14

Kilpi, Linnea. "Knittedness: On the expressivity of knitting as metaphoric process." Craft Research 14, no. 2 (2023): 237–53. http://dx.doi.org/10.1386/crre_00108_1.

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Knitted fabric is a part of everyday life for many, whether it be worn, made or metaphorically referenced. It can also be, when critically considered, an expressive practice with philosophical merit. The ostensibly simple looping of yarns into a continuous surface suggests conceptual depth through poetic comparisons to processes of living and storytelling, among others. The practice-led research project ‘Stranded colourwork: Meaning-making through experimental knitting practices’ worked to define the intrinsic qualities of knitting that make it meaningful, and to uncover its expressive potenti
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15

Deumel, Sarah, Albert van Breemen, Gerwin Gelinck, et al. "High-sensitivity high-resolution X-ray imaging with soft-sintered metal halide perovskites." Nature Electronics 4, no. 9 (2021): 681–88. http://dx.doi.org/10.1038/s41928-021-00644-3.

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AbstractTo realize the potential of artificial intelligence in medical imaging, improvements in imaging capabilities are required, as well as advances in computing power and algorithms. Hybrid inorganic–organic metal halide perovskites, such as methylammonium lead triiodide (MAPbI3), offer strong X-ray absorption, high carrier mobilities (µ) and long carrier lifetimes (τ), and they are promising materials for use in X-ray imaging. However, their incorporation into pixelated sensing arrays remains challenging. Here we show that X-ray flat-panel detector arrays based on microcrystalline MAPbI3 c
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Li, Yang, Jin Tao, Yongzhou Zhao, et al. "48 × 48 pixelated addressable full-color micro display based on flip-chip micro LEDs." Applied Optics 58, no. 31 (2019): 8383. http://dx.doi.org/10.1364/ao.58.008383.

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Dirin, Dmitry N., and Maksym V. Kovalenko. "The First Decade of Colloidal Lead Halide Perovskite Quantum Dots (in our Laboratory)." CHIMIA 78, no. 12 (2024): 862–68. https://doi.org/10.2533/chimia.2024.862.

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Ten years after the discovery of colloidal lead halide perovskite nanocrystals (LHP NCs), the field has witnessed substantial progress in synthetic methods, understanding of their surface chemistry and unique optical properties, precise control over NC size, shape, and composition. Ligand engineering, particularly with cationic and zwitterionic head groups, massively enhanced NC stability, compatibility with organic solvents, and photoluminescence efficiency. These breakthroughs allowed for the self-assembly of monodisperse NCs into complex long-range ordered superlattices and enabled the expl
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18

Xu, Feng, Yuxue Zhou, Xiangdong Meng, et al. "Monolithic high-performance micro-LEDs using planar-geometry pixelation process for high-resolution micro-display applications." Applied Physics Letters 121, no. 24 (2022): 241103. http://dx.doi.org/10.1063/5.0131616.

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Herein, a monolithic micro-pixelated light-emitting diode ( μLED) display realized using ion-surface-treatment-based planar-geometry pixelation is reported. A high-resolution blue-emitting μLED array is fabricated by optimizing ion species of a near-surface selectively positioned isolation process. The μLED array exhibiting inhibited surface recombination and higher output power is achieved by using heavy ions, such as fluorine (F−), due to more stable opto-electrical isolation and better process reliability. Furthermore, the low forward voltage of F−-IST-based μLED pixels can effectively impr
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19

Dorrigiv, Dina, Pierre-Alexandre Goyette, Amélie St-Georges-Robillard, Anne-Marie Mes-Masson, and Thomas Gervais. "Pixelated Microfluidics for Drug Screening on Tumour Spheroids and Ex Vivo Microdissected Tumour Explants." Cancers 15, no. 4 (2023): 1060. http://dx.doi.org/10.3390/cancers15041060.

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Anticancer drugs have the lowest success rate of approval in drug development programs. Thus, preclinical assays that closely predict the clinical responses to drugs are of utmost importance in both clinical oncology and pharmaceutical research. 3D tumour models preserve the tumoral architecture and are cost- and time-efficient. However, the short-term longevity, limited throughput, and limitations of live imaging of these models have so far driven researchers towards less realistic tumour models such as monolayer cell cultures. Here, we present an open-space microfluidic drug screening platfo
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20

Ye, Lingbin, Yun Gao, and Xingliang Dai. "60‐2: Invited Paper: Rapid transfer printing based on the structured donor substrate realizing full‐color perovskite nanocrystal patterns." SID Symposium Digest of Technical Papers 56, S1 (2025): 531–33. https://doi.org/10.1002/sdtp.18856.

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Considering that the efficiency of perovskite light‐emitting diodes has reached the threshold of high‐resolution display application, it is crucial to develop pixelization technology for perovskite. Transfer printing, as a physical process, avoids using solvents to prevent color cross‐contamination between red/green/blue (RGB) pixels, which makes it potential for realizing the pixelization of perovskite nanocrystals (PeNCs). Although the ultra‐high resolution PeNC patterns have been achieved by intaglio transfer printing, the multiple peeling and transfer processes are inconvenient and lead to
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21

Luechinger, Norman A. "86‐3: Why perovskite quantum dots will be key for LCD‐, OLED‐ and microLED displays." SID Symposium Digest of Technical Papers 54, no. 1 (2023): 1214–15. http://dx.doi.org/10.1002/sdtp.16795.

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Green perovskite quantum dots are well known to be the best green color conversion material with respect to color purity (FWHM) and conversion efficiency (quantum yield). These two properties are essential for picture quality (color gamut and peak brightness) but also for minimizing the display power consumption which is getting more and more important for ecological reasons but also for regulatory reasons (especially in the EU). Furthermore there is also a development trend for displays equipped with a so‐called low‐ blue‐light function where the blue primary peak emission wavelength is incre
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22

Kim, Tae Kyoung, Moon Uk Cho, Jae Min Lee, et al. "Improved Light Output Power of 16 × 16 Pixelated Micro-LEDs for Headlights by Enhancing the Reflectivity and Coverage of the p -Electrode." physica status solidi (a) 215, no. 10 (2018): 1700571. http://dx.doi.org/10.1002/pssa.201700571.

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23

Mauss, B., T. Roger, J. Pancin, S. Damoy, and G. F. Grinyer. "MICROMEGAS calibration for ACTAR TPC." EPJ Web of Conferences 174 (2018): 01010. http://dx.doi.org/10.1051/epjconf/201817401010.

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Active targets, such as the ACtive TARget and Time Projection Chamber (ACTAR TPC) being developed at GANIL, are detection systems that operate on the basis of a time projection chamber but where the filling gas also serves as a thick target for nuclear reactions. In nuclear physics experiments, the energy resolution is of primary importance to identify the reaction products and to precisely reconstruct level schemes of nuclei. These measurements are based on the energy deposited on a pixelated pad plane. A MICROMEGAS detector is used in ACTAR TPC for the ionization electron collection and ampl
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Pettingill, Daniel, Daniel Kurtz, and Daniel Smalley. "Static Structures in Leaky Mode Waveguides." Applied Sciences 9, no. 2 (2019): 247. http://dx.doi.org/10.3390/app9020247.

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In this work, we suggest a new method of expanding the field of view in bottom-exit, leaky mode devices for transparent, monolithic, holographic, near-eye display. In this approach, we propose the use of static, laser-induced, grating structures within the device substrate to break the leaky mode light into diffracted orders. We then propose to use carefully timed illumination pulses to select which diffracted order is visible to the eye at every display refresh interval (up to 100 kHz). Each of these orders becomes a view for a different image point. To describe this new method, we use K-vect
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Kim, Tae Kyoung, Moon Uk Cho, Jae Min Lee, et al. "Improved Light Output Power of 16 × 16 Pixelated Micro-LEDs for Headlights by Enhancing the Reflectivity and Coverage of the p -Electrode (Phys. Status Solidi A 10∕2018)." physica status solidi (a) 215, no. 10 (2018): 1870019. http://dx.doi.org/10.1002/pssa.201870019.

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26

Mirdoraghi, Mohammad, Behnoosh Teimourian Fard, Olga Kochebina, Hojjat Mahani, and Mohammad Reza Ay. "Design and Optimization of Collimator for Preclinical Single-photon Emission Computed Tomography Scanner: A Monte Carlo Study." Journal of Medical Physics 50, no. 2 (2025): 378–84. https://doi.org/10.4103/jmp.jmp_220_24.

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Introduction: Small animal imaging has an extensive variety of applications, including the design and optimization of novel imaging devices. Monte Carlo (MC) simulations are enhanced due to their high accuracy. The purpose of this investigation was to implement and validate a MC model for a preclinical single-photon emission computed tomography (SPECT) known as high-resolution SPECT II (HiReSPECT II) machine developed in our laboratory and also optimize different collimator materials and geometries for improving the sensitivity and spatial resolution. Materials and Methods: The validation of a
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27

Huang, Chi-Cheng, Nam Nhut Phan, and Ling-Ming Tseng. "Abstract P1-02-15: Predicting molecular subtypes of breast cancer using." Cancer Research 82, no. 4_Supplement (2022): P1–02–15—P1–02–15. http://dx.doi.org/10.1158/1538-7445.sabcs21-p1-02-15.

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Abstract Purpose: Breast cancer is a heterogeneously complex disease. A number of molecular subtypes with distinct biological features lead to different treatment responses and clinical outcomes. Traditionally, breast cancer is classified into subtypes based on gene expression profiles; these subtypes, namely intrinsic subtypes, include luminal A, luminal B, basal-like and HER2-enriched breast cancer. This molecular taxonomy, however, could only be appraised through transcriptome analyses. We aim to classify breast cancer intrinsic subtypes using un-annotated approach using deep learning model
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Caplins, Benjamin. "(Invited) The Importance of Characterizing and Calibrating Light Engines in Vat Photopolymerization Additive Manufacturing." ECS Meeting Abstracts MA2023-01, no. 22 (2023): 1588. http://dx.doi.org/10.1149/ma2023-01221588mtgabs.

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Vat photopolymerization (VP) is an additive manufacturing technique that uses spatially patterned light to cure liquid resins into solid materials. As an additive manufacturing technique, parts with complex geometries can be manufactured that would not be possible with conventional techniques. Large scale VP has found wide adoption by a range of industries including automotive, dental, consumer goods, and prototyping. On a smaller scale, hobbyist level users have found innumerable uses for VP and this market, in particular, has fueled the development of a plethora of low-cost printers. Common
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Jeon, Wungki, Sungho Hwang, Jae Joon Kim, and Myunghee Lee. "Active-Matrix Pixelated-LED Control System for Automotive Headlamps." IEEE Access, 2022, 1. http://dx.doi.org/10.1109/access.2022.3170113.

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Su, Yahui, Shanjing Liu, Xingchen Han, et al. "An Optoelectronic Integrated Device Featuring Pixelated Array Thin-Film for Direct Spectral Conversion." IEEE Electron Device Letters, 2025, 1. https://doi.org/10.1109/led.2025.3564038.

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Peng, Xuhui, Yang Zeng, Sitao Huo, Zhenyuan Yang, Xiaoping Huang, and Qing Zhao. "Investigation of Quantum Dot Color Filter Micro-LED Display." Photonic Sensors 14, no. 1 (2023). http://dx.doi.org/10.1007/s13320-023-0698-5.

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AbstractIn this work, we present the investigation of the quantum dot color filter (QDCF) micro-light emitting diode (micro-LED) display. Green and red quantum dot photoresist (QDPR) materials are patterned into a pixelated array and precisely bonded with an all-blue micro-light emitting diode (micro-LED) substrate, forming a red, green, and blue (RGB) full color display through color conversion. A few factors that influence the achievable color gamut are further investigated. The resulting 1.1-inch 228-pixels per inch (ppi) display demo shows the good performance. The findings in this paper p
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Li, Qiwei, Yu Lu, Yang Li, et al. "High Performance Pixelated Quantum Dots Array on Micro-LED by Inkjet Printing." Optical Materials, September 2024, 116041. http://dx.doi.org/10.1016/j.optmat.2024.116041.

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Yang, Zhiyu, Guangxiang Lu, Jiani Ma, et al. "Non‐Stoichiometric Calcium Addition in Red‐Emitting CaSc2O4:Eu2+ Phosphor Toward Enhanced Photoluminescence Quantum Efficiency for LED Applications." Laser & Photonics Reviews, April 10, 2025. https://doi.org/10.1002/lpor.202500300.

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AbstractThe rapid advancements in solid‐state lighting have underscored the need for efficient and thermally stable phosphors for light‐emitting diode (LED) applications. Herein, a red phosphor CaSc2O4:Eu2+ (λex = 450 nm, λem = 650 nm) is synthesized employing a non‐stoichiometric strategy to increase photoluminescence quantum efficiency (PLQY). Spectroscopic and crystallographic properties analysis confirm that the red emission band originates from Eu2+ ions occupying a single Ca2+ site with significant nephelauxetic effects and crystal field splitting. Excessive CaCO3 additions promote the r
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34

Yoon, Sunggun, Joonyun Kim, Young Ho Chu, et al. "Controlled Fracture‐Based Micropatterning of Ruddlesden–Popper Halide Perovskite for Ultra High‐Density Arrays of Micro Light Emitting Diodes." Advanced Functional Materials, May 20, 2024. http://dx.doi.org/10.1002/adfm.202403151.

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AbstractQuasi‐2D Ruddlesden–Popper perovskite (RPP) have surfaced as a promising candidate for light emitting diodes (LEDs) due to its outstanding optoelectronic properties. However, a reliable approach for patterning RPPs remains elusive due to the use of polar solvents in lithographic processes, which can damage the RPP. Here, a reliable and damage‐free dry micropatterning method of RPPs is reported, which also offers a cost/time advantage compared to conventional patterning methods. The sharp edges of high aspect ratio silicon micropillars are used to cut RPPs to a pre‐defined shape and the
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35

Baron, Alisa, Vanessa Harwood, Daniel Kleinman, et al. "Where on the face do we look during phonemic restoration: An eye-tracking study." Frontiers in Psychology 14 (May 25, 2023). http://dx.doi.org/10.3389/fpsyg.2023.1005186.

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Face to face communication typically involves audio and visual components to the speech signal. To examine the effect of task demands on gaze patterns in response to a speaking face, adults participated in two eye-tracking experiments with an audiovisual (articulatory information from the mouth was visible) and a pixelated condition (articulatory information was not visible). Further, task demands were manipulated by having listeners respond in a passive (no response) or an active (button press response) context. The active experiment required participants to discriminate between speech stimul
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Reinhold, Ingo, Moritz Thielen, Wolfgang Voit, Werner Zapka, Reiner Götzen, and Helge Bohlmann. "Electrical Through-Hole and Planar Interconnect Generation in Roll-to-Roll LED Lighting Manufacturing using Industrial Inkjet Printheads." MRS Proceedings 1340 (2011). http://dx.doi.org/10.1557/opl.2011.1270.

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ABSTRACTDespite the availability of many high-volume and low-cost manufacturing processes for LED-based lighting applications, relying mainly on fixed patterns such as LED-backlights and RGB-pixelated displays, novel applications, such as “mood lighting” or interior wall displays call for more complicated and shaped LED arrangements. The presented work is based of a novel roll-to-roll (R2R) process to adaptively and cost-efficiently generate LED arrangements on RMPD® substrates.Inkjet printing of planar and though-hole electrical interconnections is of high importance to the process, as it pro
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Bae, Junho, Yuseop Shin, Hyungyu Yoo, et al. "Quantum dot-integrated GaN light-emitting diodes with resolution beyond the retinal limit." Nature Communications 13, no. 1 (2022). http://dx.doi.org/10.1038/s41467-022-29538-4.

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AbstractNear-eye display technology is a rapidly growing field owing to the recent emergence of augmented and mixed reality. Ultrafast response time, high resolution, high luminance, and a dynamic range for outdoor use are all important for non-pixelated, pupil-forming optics. The current mainstream technologies using liquid crystals and organic materials cannot satisfy all these conditions. Thus, finely patterned light-emissive solid-state devices with integrated circuits are often proposed to meet these requirements. In this study, we integrated several advanced technologies to design a prot
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Lee, Hsu-Chi, Yun-Chih Lu, Yu-Chen Lin та ін. "A High Voltage Driving Chiplet in Standard 0.18-μm CMOS for Micro-Pixelated LED Displays Integrated with LTPS TFTs". IEEE Transactions on Circuits and Systems for Video Technology, 2022, 1. http://dx.doi.org/10.1109/tcsvt.2022.3168051.

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Rao, Tianyu, Qun Hao, Ge Mu, et al. "Large-scale Fabrication of CMOS-compatible Silicon-OLED Heterojunctions enabled Infrared Upconverters." APL Photonics, February 15, 2023. http://dx.doi.org/10.1063/5.0138070.

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Infrared-to-visible upconverters have widespread application prospects, including bioimaging, night vision, and defense security. A typical upconverter is generally constructed by integrating an infrared photodetector (PD) detecting low-energy infrared with a visible light-emitting diode (LED) emitting high-energy visible light. However, when photocarriers transport through the interface between PD and LED, lateral current spreading inevitably presents, which leads to optical cross-talking and hinders the realization of high-resolution and large-area infrared imaging. Here, near-infrared (NIR)
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40

Miyata, Masashi. "Dispersion-engineered metasurfaces for high-sensitivity color image sensors." Optical Review, April 24, 2024. http://dx.doi.org/10.1007/s10043-024-00882-8.

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AbstractIncreasing the sensitivity of image sensors is a major challenge for current imaging technology. Researchers are tackling it because highly sensitive sensors enable objects to be recognized even in dark environments, which is critical for today’s smartphones, wearable devices, and automobiles. Unfortunately, conventional image-sensor architectures use light-absorptive color filters on every pixel, which fundamentally limits the detected light power per pixel. Recent advances in optical metasurfaces have led to the creation of pixelated light-transmissive color splitters with the potent
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Urban, Mur, and Ravnik Miha. "Pixelated Photonic Crystals." Advanced Photonics Research, May 31, 2023, 2300082. https://doi.org/10.1002/adpr.202300082.

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Photonic crystals can prevent or allow light of certain frequencies to propagate in distinct directions in anomalous and useful ways for use as waveguides, laser cavities, and topological light propagation. However, there exist limited approaches for fundamental reconfiguration of photonic crystals, such as changing the unit cell to various and on-demand geometries and symmetries. This work introduces the concept of pixelated 2D photonic crystals where the variability of the dielectric profile is achieved by a pixelated matrix of the material. Specifically, the cross sections of dielectric cyl
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Shi, Tongyu, Jie Kang, Yang Zhang, et al. "Heterogeneous Integration of Compact Perovskite Films on Pixelated Arrays via Solid‐State Crystal Growth for X‐Ray Imaging." Advanced Functional Materials, April 9, 2025. https://doi.org/10.1002/adfm.202421569.

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AbstractMetal halide perovskites are promising candidates for direct X‐ray imaging, but their heterogeneous integration with pixelated sensing arrays remains challenging. Herein, a novel solid‐state crystal growth strategy to integrate high‐quality perovskites with the pixelated electrode substrate for X‐ray imaging is described, and the soft methylammonium lead triiodide solvate (MAPbI3•DMF) powder is utilized as precursor and is soft‐pressed directly on the thin film transistor (TFT) array at moderate pressure and temperature (100 °C, 0.8 MPa) instead of common perovskite suspension printing
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Xu, Han, Renzhi Hu, Shuai Chen, Junhong Zhu, Chi Zhou, and Yong Chen. "Vibration-assisted Vat Photopolymerization for Pixelated-aliasing-free Surface Fabrication." International Journal of Extreme Manufacturing, February 28, 2024. http://dx.doi.org/10.1088/2631-7990/ad2e14.

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Abstract Mask image projection-based vat photopolymerization (MIP-VPP) offers advantages like low cost, high resolution, and a wide material range, making it popular in industry and education. Recently, MIP-VPP employing liquid crystal displays (LCDs) has gained traction, increasingly replacing digital micromirror devices (DMDs), particularly among hobbyists and in educational settings, and is now beginning to be used in industrial environments. However, LCD-based MIP-VPP suffers from pronounced pixelated aliasing arising from LCD's discrete image pixels and its direct-contact configuration in
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44

Dong, Minghao, Changrong Shi, Junjun Li, Dini Lan, Mengni Shen, and yongshun xiao. "Accurate and Automated Energy Calibration for Pixelated Scintillator Detectors through a Convolution Neural Network." Measurement Science and Technology, March 18, 2025. https://doi.org/10.1088/1361-6501/adc1eb.

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Abstract The energy calibration of pixelated scintillator detectors faces the problem of extensive work on the identification of energy spectra for each pixel. Existing automated characteristic peak-finding methods show poor performance because the energy responses of pixels in different positions vary significantly. Different detector structures and materials also lead to differences in energy spectra. Thus, there is an absence of accurate and universal automated peak-finding methods for energy calibration. We attempted the first-ever effort to apply deep learning-based technique to achieve a
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Wang, Bing, Xiaoping Ouyang, Xiaosuo He, Zhiliang Deng, Yifan Zhou, and Pei Li. "High‐Resolution X‐Ray Imaging of Mn Enhanced Lead‐Free Halide Scintillators in Pixelated Array Structures." Advanced Optical Materials, May 18, 2023. http://dx.doi.org/10.1002/adom.202300388.

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46

Chang, Jianglong, Sai Xu, Yuefeng Gao, et al. "Excitation Wavelength Regulated Dynamic Luminescence in Bi/Sb co‐Doped Tin Halide for Encrypted Information Transmission and High‐Sensitivity Wavelength Sensor." Advanced Materials Technologies, December 18, 2024. https://doi.org/10.1002/admt.202401672.

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AbstractThe coordination structure of Sb3+ within the host lattice critically influences its photophysical properties, sparking interest in luminescent metal halides with multiexciton emissions. Furthermore, the multi‐coordination lattice structure of Sb3+ dynamically emits light with excitation wavelength, highlighting the potential of Sb3+ ions in tuning luminescence and developing advanced optoelectronic materials. Herein, Sb3+ ions are successfully doped into Cs2SnCl6, and the obvious excitation wavelength‐dependent emission of Cs2SnCl6: Sb at room temperature is observed. To explain this
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47

Varkevisser, Judith M., Ralph Simon, Ezequiel Mendoza, et al. "Adding colour-realistic video images to audio playbacks increases stimulus engagement but does not enhance vocal learning in zebra finches." Animal Cognition, August 17, 2021. http://dx.doi.org/10.1007/s10071-021-01547-8.

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AbstractBird song and human speech are learned early in life and for both cases engagement with live social tutors generally leads to better learning outcomes than passive audio-only exposure. Real-world tutor–tutee relations are normally not uni- but multimodal and observations suggest that visual cues related to sound production might enhance vocal learning. We tested this hypothesis by pairing appropriate, colour-realistic, high frame-rate videos of a singing adult male zebra finch tutor with song playbacks and presenting these stimuli to juvenile zebra finches (Taeniopygia guttata). Juveni
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48

Masoomi, Michael, Latifa Al-Kandari, Meshal Alhadhoud, and Hany Elrahman. "Enhancing Preoperative Planning for Pilon Fracture: Clinical Utility of 3D Computer Modeling in Surgical Planning and Internal Fixation – A Case Report." Medical Research Archives 13, no. 3 (2025). https://doi.org/10.18103/mra.v13i3.6374.

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Background: A Pilon fracture is a complex ankle fracture that, if not properly reduced, can lead to poor alignment of the articular surface and abnormal widening or narrowing of the ankle mortise. This misalignment may result in traumatic arthritis and severe dysfunction. Therefore, it is crucial to select an appropriate technique to optimally display the anatomy and disease processes. The use of 3D computer modeling in medical procedures has demonstrated promising results in improving surgical outcomes. In this case, we used 3D printing technology to reconstruct the details of a Pilon fractur
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Rao, Neethi, and Devaki Nambiar. "Reflections on Required Competencies For Health Systems Monitoring, Evaluation, and Learning In India." Journal of MultiDisciplinary Evaluation 19, no. 46 (2023). http://dx.doi.org/10.56645/jmde.v19i46.873.

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The movement towards systems thinking and complexity-informed monitoring and evaluation has been ongoing for some time. Covid-19 has accelerated this shift and increased the salience of contextually aware, adaptive forms of evaluation. Drawing from our experience over three years of providing monitoring, evaluation, research and learning (MERL) to a large international philanthropic organization’s health systems portfolio of work in India, we identify three types of evaluator capacities and associated set of competencies that derive from complexity-driven practice in a developing country.&#x0D
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