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学者姓名：吴朝兴
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Abstract ：
Developing micro- and nano-scaled full-color pixelation is crucial for advancing future display technologies. Transmission metasurface structural color (TMSC) shows promise for integrated displays due to its high resolution and stability. However, improving the color gamut and tunability of TMSC remains a challenge. In this study, we modified the conventional single-metal metagrating (Ag-Al2O3) by replacing the Ag grating layer with an Al-Al2O3-Ag hybrid grating layer. This novel TMSC based on the mixed metagrating achieves unique transmission spectra under TM polarization light, featuring a single peak with minimal sidebands, and near-zero transmission under TE polarization light. This design enables ultra-high color purity and switchable colors through polarization adjustment. The metagrating effectively blocks transmission sidebands by leveraging interactions between the top Al grating layer and the Al2O3 sandwich grating layer. Under TM polarization light, the TMSC using this mixed metagrating covers an expansive color gamut-173% sRGB space and 124% Adobe RGB space-nearly achieving full hue and high purity. Conversely, under TE polarization light, the TMSC based on the mixed metagrating achieves near-zero transmission, ideal for a perfect dark mode. Moreover, the proposed TMSC design allows for full hue adjustment of individual pixels by varying the incident angle under TM polarization light. Under TE polarization light, the dark mode remains stable regardless of incident angle variations. The metagrating holds significant potential for applications in displays, high-density information storage, optical encryption, and beyond.
Keyword ：
Dynamic display Dynamic display Full colorization Full colorization Large color gamut Large color gamut Metagrating Metagrating Transmission metasurface structural color Transmission metasurface structural color
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| GB/T 7714 | Zhang, Jiawei , Peng, Yuyan , Zou, Zhenyou et al. Ultraly high saturation and high contrast tunable transmission metagrating structural color for dynamic display [J]. | OPTICS COMMUNICATIONS , 2025 , 577 . |
| MLA | Zhang, Jiawei et al. "Ultraly high saturation and high contrast tunable transmission metagrating structural color for dynamic display" . | OPTICS COMMUNICATIONS 577 (2025) . |
| APA | Zhang, Jiawei , Peng, Yuyan , Zou, Zhenyou , Weng, Shuchen , Yang, Weiquan , Zhou, Xiongtu et al. Ultraly high saturation and high contrast tunable transmission metagrating structural color for dynamic display . | OPTICS COMMUNICATIONS , 2025 , 577 . |
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The wavelength tunable and environmentally friendly InP quantum dots are considered one of the most powerful alternatives to cadmium-based quantum dots, and the luminescent devices prepared with them also show great potential. There is still room for improvement in the synthesis methods and device applications of InP based quantum dots. In this work, we report one pot synthesis route for InP/ZnSe/ZnSeS/ZnS green QDs based on tris (dimethylamino)phosphine (DMP) phosphorus by using the strategy of multi shell coating and gradient heating to reduce surface defects of quantum dots. The shell structure, dosage, and growth temperature have all been taken into account in order to explore better performance of InP QDs. The synthesized green quantum dots have 86 % PLQY and a full width at half maximum of 36 nm. In addition, the synthesized green InP quantum dots are applied in AC QLED devices. The experimental results show that the luminescence intensity is affected by the driving voltage and frequency, which is similar to the working mode of non-carrier-injected emitting devices. And there is a matching value between the voltage and frequency.
Keyword ：
Alternating current Alternating current Aminophosphine Aminophosphine Indium phosphide Indium phosphide Quantum dots Quantum dots Single-terminal carrier-injection Single-terminal carrier-injection
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| GB/T 7714 | Lin, Jianpu , Zhang, Shengjie , Du, Lingfeng et al. Improved InP/ZnSe/ZnSeS/ZnS quantum dots for single-terminal carrier-injection light-emitting devices [J]. | OPTICAL MATERIALS , 2025 , 159 . |
| MLA | Lin, Jianpu et al. "Improved InP/ZnSe/ZnSeS/ZnS quantum dots for single-terminal carrier-injection light-emitting devices" . | OPTICAL MATERIALS 159 (2025) . |
| APA | Lin, Jianpu , Zhang, Shengjie , Du, Lingfeng , Zhang, Baiquan , Zhou, Xiongtu , Zhang, Yongai et al. Improved InP/ZnSe/ZnSeS/ZnS quantum dots for single-terminal carrier-injection light-emitting devices . | OPTICAL MATERIALS , 2025 , 159 . |
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光场显示具有数据量小、结构简单、易于集成化等优点,使其在军事、医学、教育、娱乐等领域具有巨大的应用潜力.然而,全彩色、大视角、高分辨率、大景深的光场显示受限于高分辨率显示器、光调制器、智能算法、超高速计算机等技术的发展.近年来,人们致力于探索新的设计策略、新的器件结构和潜在的应用.综述了三维(3D)显示技术的发展与分类以凸显出光场显示的优势;阐述了光场显示的概念与意义;介绍了光场显示中的集成成像光场显示、投影光场显示和层光场显示的发展及主要技术挑战.强调了在新形势下对光场显示的新要求,并提出对中国发展光场显示的建议,即加强技术创新平台建设,推动光场显示与其他前沿技术的融合,重点攻克关键技术和产业链瓶颈,促进产学研合作,以确保在全球高科技领域的竞争力.
Keyword ：
3D显示 3D显示 光场显示 光场显示 层光场显示 层光场显示 投影光场显示 投影光场显示 集成成像光场显示 集成成像光场显示
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| GB/T 7714 | 彭玉颜 , 康家欣 , 周雄图 et al. 光场显示研发进展 [J]. | 科技导报 , 2025 , 43 (2) : 34-41 . |
| MLA | 彭玉颜 et al. "光场显示研发进展" . | 科技导报 43 . 2 (2025) : 34-41 . |
| APA | 彭玉颜 , 康家欣 , 周雄图 , 张永爱 , 郭太良 , 吴朝兴 . 光场显示研发进展 . | 科技导报 , 2025 , 43 (2) , 34-41 . |
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以超高密度Cu/Sn微凸点和Cu/SnAg微凸点为研究对象,采用COMSOL软件建立仿真模型,研究了不同焊料凸点高度对键合可靠性的影响;采用电镀法制备Cu/Sn凸点阵列和Cu/SnAg凸点阵列,重点对界面处金属间化合物(Intermetallic compounds,IMC)进行研究.结果表明,Cu/SnAg凸点高度的增加有利于降低凸点键合界面应力,从而提高芯片键合可靠性.金属凸点尺寸越小,界面处金属间化合物生长越快,空洞数量越多.雾锡凸点的晶粒尺寸大于亮锡凸点,而且晶界数量较少,使得凸点界面上IMC的生长速度较慢.因此,雾锡凸点能够有效减少凸点界面空洞的形成,SnAg合金替代纯锡材料可以进一步减少凸点界面空洞的形成.通过优化工艺条件,成功制备出点间距为8 μm,像素阵列为1 920×1 080的超高密度Cu/SnAg金属凸点.
Keyword ：
Cu/SnAg凸点 Cu/SnAg凸点 Cu/Sn凸点 Cu/Sn凸点 电镀 电镀 金属间化合物 金属间化合物
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| GB/T 7714 | 罗灿琳 , 林畅 , 曾煌杰 et al. 电镀法制备超高密度Cu/Sn凸点和Cu/SnAg凸点及其微观形貌研究 [J]. | 光电子技术 , 2025 , 45 (1) : 10-17 . |
| MLA | 罗灿琳 et al. "电镀法制备超高密度Cu/Sn凸点和Cu/SnAg凸点及其微观形貌研究" . | 光电子技术 45 . 1 (2025) : 10-17 . |
| APA | 罗灿琳 , 林畅 , 曾煌杰 , 张永爱 , 孙捷 , 严群 et al. 电镀法制备超高密度Cu/Sn凸点和Cu/SnAg凸点及其微观形貌研究 . | 光电子技术 , 2025 , 45 (1) , 10-17 . |
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As the core component of a nanopixel light-emitting display, the GaN-based nanoscale light-emitting diode (nLED) faces the problem of low electroluminescence efficiency resulting from the introduction of surface defects when its lateral size is reduced to the nanometer scale. Thus, reducing the surface defect density is an important direction in nLED-related research. This study, with the triboelectric nanogenerator-driven LED as its inspiration, reveals that surface defects have a positive impact on the performance of nLEDs driven by Maxwell's displacement current, and we call the related driving mode the noncarrier injection mode. Through finite element simulations, we studied the dynamic variations of the carrier concentration, the energy band, and the light emission rate to analyze the impact of the behavior of surface defect excitation on device performance. We found that surface defects can act as electron pumps under the combined effect of the reverse electric field and the built-in electric field and can generate carriers through surface defect excitation to increase the intensity of noncarrier injection luminescence, which is completely different from the traditional understanding of surface defects. In addition, we propose a tapered structure to further increase the light emission rate by regulating the behaviors of radiation recombination and surface defect excitation. The results of this work open a new perspective on the impacts of surface defects on nLEDs and provide significant information for additional applications of Maxwell's displacement current. © 2024 Elsevier Ltd
Keyword ：
Maxwell's displacement current Maxwell's displacement current Nano-electronics Nano-electronics Nano-light-emitting diodes Nano-light-emitting diodes Noncarrier injection mode Noncarrier injection mode Surface defects Surface defects
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| GB/T 7714 | Li, W. , Zhang, S. , Wang, K. et al. Positive impact of surface defects on Maxwell's displacement current-driven nano-LEDs: The application of TENG technology [J]. | Nano Energy , 2024 , 129 . |
| MLA | Li, W. et al. "Positive impact of surface defects on Maxwell's displacement current-driven nano-LEDs: The application of TENG technology" . | Nano Energy 129 (2024) . |
| APA | Li, W. , Zhang, S. , Wang, K. , Qiu, J. , Li, J. , Zhu, J. et al. Positive impact of surface defects on Maxwell's displacement current-driven nano-LEDs: The application of TENG technology . | Nano Energy , 2024 , 129 . |
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Non-destructive and accurate inspection of gallium nitride light-emitting diode (GaN-LED) epitaxial wafers is important to GaN-LED technology. However, the conventional electroluminescence inspection, the photoluminescence inspection, and the automated optical inspection cannot fulfill the complex technical requirements. In this work, an inspection method and an operation system based on soft single-contact operation, namely, single-contact electroluminescence (SC-EL) inspection, are proposed. The key component of the SC-EL inspection system is a soft conductive probe with an optical fiber inside, and an AC voltage (70V pp, 100 kHz) is applied between the probe and the ITO electrode under the LED epitaxial wafer. The proposed SC-EL inspection can measure both the electrical and optical parameters of the LED epitaxial wafer at the same time, while not causing mechanical damage to the LED epitaxial wafer. Moreover, it is demonstrated that the SC-EL inspection has a higher electroluminescence wavelength accuracy than photoluminescence inspection. The results show that the non-uniformity of SC-EL inspection is 444.64%, which is much lower than that of photoluminescence inspection. In addition, the obtained electrical parameters from SC-EL can reflect the reverse leakage current (I s) level of the LED epitaxial wafer. The proposed SC-EL inspection can ensure high inspection accuracy without causing damage to the LED epitaxial wafer, which holds promising application in LED technology. © 2024 Chinese Laser Press.
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| GB/T 7714 | Su, H. , Qiu, J. , Li, J. et al. Non-destructive electroluminescence inspection for LED epitaxial wafers based on soft single-contact operation [J]. | Photonics Research , 2024 , 12 (8) : 1776-1784 . |
| MLA | Su, H. et al. "Non-destructive electroluminescence inspection for LED epitaxial wafers based on soft single-contact operation" . | Photonics Research 12 . 8 (2024) : 1776-1784 . |
| APA | Su, H. , Qiu, J. , Li, J. , Chen, R. , Le, J. , Lei, X. et al. Non-destructive electroluminescence inspection for LED epitaxial wafers based on soft single-contact operation . | Photonics Research , 2024 , 12 (8) , 1776-1784 . |
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Handwritten signatures are widely used in our daily lives, which focuses on how to obtain handwritten information comprehensively and effectively. Triboelectric nanogenerators can sensitively sense externally applied trigger signals and can be used to collect user handwriting signals and related features for handwriting input character detection and user identification. In this paper, an intelligent handwriting input panel based on triboelectric nanogenerator is proposed, which, combined with deep learning algorithms, achieves an accuracy of 99.32%, 98.96%, 99.14%, and 99.53% for recognizing handwritten signals in Arabic numerals, English words, Chinese characters, and different users, respectively. It is also possible to use different encoding methods for encrypted communication to transmit signals on the proposed handwriting input panel, demonstrating its potential applications. The results show that the smart handwritten input panel has great potential for personal handwritten signature recognition, privacy information, and human–computer interaction. © 2024 Elsevier B.V.
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| GB/T 7714 | Peng, Zhigang , Chen, Wandi , Lin, Jianpu et al. Input panel for handwriting detection based on triboelectric nanogenerator [J]. | Chemical Engineering Journal , 2024 , 500 . |
| MLA | Peng, Zhigang et al. "Input panel for handwriting detection based on triboelectric nanogenerator" . | Chemical Engineering Journal 500 (2024) . |
| APA | Peng, Zhigang , Chen, Wandi , Lin, Jianpu , Wang, Haonan , Tang, Heng , Zhang, Yu et al. Input panel for handwriting detection based on triboelectric nanogenerator . | Chemical Engineering Journal , 2024 , 500 . |
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Efficient, accurate and comprehensive measurement of photoelectric thin films can provide in-depth information about their structural properties, electrical and optical characteristics, etc., which plays a key role in the design and performance optimization of devices. Additionally, the detection and characterization of photoelectric thin film also provide an important theoretical basis and guidance for the research and development of photoelectric thin film materials and promote the technical progress and application expansion in the field of photoelectric devices, which is of great academic significance and application value. In recent years, a variety of new detection and characterization techniques have emerged, but there are a few related reviews of the literature, which makes it difficult to intuitively understand the principles of the latest characterization methods and their specific applications in the optimization of device performance. In this paper, the basic principles and characteristics of current detection and characterization techniques of photoelectric thin films are reviewed based on the three dimensions of angle-resolved, spatially-resolved and time-resolved, and the application progress of relevant techniques in the luminescence characteristics, visualization of spatial heterogeneity and carrier dynamics of photoelectric thin films is introduced. Finally, the future development trends of photoelectric thin film detection and characterization technologies are discussed and anticipated. © 2024 Chinese Vacuum Society. All rights reserved.
Keyword ：
Carrier dynamics Carrier dynamics Photoelectric characteristic Photoelectric characteristic Photoelectric thin films Photoelectric thin films Spatial heterogeneity Spatial heterogeneity
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| GB/T 7714 | Gong, Z. , Zhang, S. , Guo, Y. et al. Research Progress in Detection and Characterization of Photoelectric Thin Films: Angle-Resolved, Spatially-Resolved and Time-Resolved Techniques; [光电薄膜的检测与表征研究进展：角度、空间、时间分辨技术] [J]. | Journal of Vacuum Science and Technology , 2024 , 44 (10) : 825-840 . |
| MLA | Gong, Z. et al. "Research Progress in Detection and Characterization of Photoelectric Thin Films: Angle-Resolved, Spatially-Resolved and Time-Resolved Techniques; [光电薄膜的检测与表征研究进展：角度、空间、时间分辨技术]" . | Journal of Vacuum Science and Technology 44 . 10 (2024) : 825-840 . |
| APA | Gong, Z. , Zhang, S. , Guo, Y. , Su, H. , Li, J. , Wang, K. et al. Research Progress in Detection and Characterization of Photoelectric Thin Films: Angle-Resolved, Spatially-Resolved and Time-Resolved Techniques; [光电薄膜的检测与表征研究进展：角度、空间、时间分辨技术] . | Journal of Vacuum Science and Technology , 2024 , 44 (10) , 825-840 . |
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Power network monitoring devices play a key role in maintaining the health and safety of power networks, so it is important to realize the sustained power supply to the monitoring devices. In this paper, a non-contact self-powered device with electrode-capacitor-electrode (ECE) structure is proposed, which can capture and store the energy of the AC electric field around the high-voltage line, so as to store the electric energy in the capacitor. It is expected to realize the continuous independent power supply to the power grid monitoring equipment. It is demonstrated that when the transmission line voltage is 7kV, the output voltage of the ECE pole plate is up to more than 600V, and 48 LEDs can be lit. For a capacitor with a capacity of 50mF, it only takes about 30 minutes to charge 15V from 5V, and can continuously output a 5 V and 50mA power for about 16 seconds. In addition, it is further found that the output voltage of the rectifier bridge increases as the parallel resistance increases, which makes it possible to effectively control the charging time by controlling the size of the resistance. The proposed self-powered device with electrode-capacitor-electrode structure provides a new energy power supply strategy for grid monitoring devices, which is expected to play an important role in enhancing the stability and reliability of power systems. © 2024 SPIE.
Keyword ：
AC field coupling AC field coupling electrode-capacitor-electrode electrode-capacitor-electrode grid monitoring devices grid monitoring devices Self-powered Self-powered
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| GB/T 7714 | Wang, P. , Chen, X. , Lin, W. et al. Energy extraction from high-voltage line based on AC field coupling [未知]. |
| MLA | Wang, P. et al. "Energy extraction from high-voltage line based on AC field coupling" [未知]. |
| APA | Wang, P. , Chen, X. , Lin, W. , Yuan, M. , Zhang, L. , Wu, C. . Energy extraction from high-voltage line based on AC field coupling [未知]. |
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Conventional liquid crystal microlens array (LC MLAs) are widely used in integral imaging (II) 3D displays due to their electrically controllable adjustable focal lengths. However, conventional LC MLAs have significant challenges to obtain a large depth-of-field (DoF) in II 3D displays. This paper proposes a dual-focal liquid crystal microlens array (DF-LC MLAs) to improve the imaging DoF. The dual-focal characteristics of DF-LC MLAs are primarily attributed to the periodically stacked high-resistance layer structure. Compared with conventional LC MLAs, the proposed DF-LC MLAs can offer two controlable modes (operating voltage and driving frequency), which effectively adjusts the focal lengths and significantly expanded DoF ranges. The experimental results indicate that the DoF range for conventional LC MLAs changes from 9.28 mm to 3.13 mm at an operating voltage of 3.6 V when the driving frequencies vary from 160 kHz to 240 kHz, while that of DF-LC MLAs extends from 34.87 mm to 3.13 mm, representing an increase of approximately three times. Furtherly, DF-LC MLAs applied to II 3D displays can reconstruct clearer images in a larger DoF range. Based on these results, DF-LC MLAs exhibit significant advantages in II 3D displays due to their DoF extension characteristics, which can provide some new ideas and possibilities for future 3D display technologies.
Keyword ：
Depth of field Depth of field Dual-focal liquid crystal microlens array Dual-focal liquid crystal microlens array Integral imaging 3D display Integral imaging 3D display Stacked high-resistance layer Stacked high-resistance layer
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| GB/T 7714 | Zhang, Jiazhen , Zou, Zhenyou , Peng, Yuyan et al. Stacked high-resistance layer induced dual-focal liquid crystal microlens array for enhanced depth-of-field integral imaging 3D display [J]. | OPTICS COMMUNICATIONS , 2024 , 577 . |
| MLA | Zhang, Jiazhen et al. "Stacked high-resistance layer induced dual-focal liquid crystal microlens array for enhanced depth-of-field integral imaging 3D display" . | OPTICS COMMUNICATIONS 577 (2024) . |
| APA | Zhang, Jiazhen , Zou, Zhenyou , Peng, Yuyan , Zhou, Xiongtu , Guo, Tailiang , Wu, Chaoxing et al. Stacked high-resistance layer induced dual-focal liquid crystal microlens array for enhanced depth-of-field integral imaging 3D display . | OPTICS COMMUNICATIONS , 2024 , 577 . |
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