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Online-programming IP design and implementation based on SoC

Open Automation and Control systems Journal 2013年第1期5卷 59-66页

作者： Yang, Wenrong Jiang, Chao Hu, Yueli Key Laboratory of Advanced Display and System Application Shanghai University Shanghai 200072 China School of Mechatronic Engineering and Automation Shanghai University Shanghai 200072 China

It is mainly proposed that the design and implementation for an online-programming IP core based on MV10, an SoC, which is an 8-bit MCU having passed the silicon verification with Global Foundry 0.35um mix-signal library in this thesis. The online-programming IP core can write BIN file into the on-chip SRAM, which is mainly controlled by erasing state machine and programming state machine, for program debugging with high accuracy-communication and error self-detection. The online-programming IP core proposed in this thesis can also be used in other SoCs. © Yang et al.

关键词： system-on-chip

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Modeling of nanostructured polymer-metal composite for thermal interface material applications

Modeling of nanostructured polymer-metal composite for therm...

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International Conference on (ICEPT) Electronic Packaging Technology

作者： Zhili Hu Bjorn Carlberg Cong Yue Xingming Guo Johan Liu SMIT Center and BioNano Systems Laboratory Department of Microtechnology and Nanoscience Chalmers University of Technology Goteborg Sweden Key Laboratory of Advanced Display and System Applications Ministry of Education and SMIT Center School of Mechatronics Engineering and Automation Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Shanghai China Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Shanghai China Key Laboratory of Advanced Display and System Applications Ministry of Education and SMIT Center School of Mechatronics Engineering and Automation Shanghai University Shanghai China

Previous studies have discovered a unique type of nanostructured polymer-metal composite for thermal interface material with effective thermal conductivity of 8 W/mK. It is a promising result but extensive efforts are still required to further enhance the thermal conductivity. Therefore, this paper will try to help the process with modeling and simulation. Calculations reveal the alignment of the fibers have insignificant influence. Therefore volume percentages of fiber together with mean interface temperature become the dominating parameters of effective thermal conductivities of thermal interface material. Based on this approximation, simulation was taken which showed good results in comparison with experimental data. However, the preferred volume percentage of fibers (33%) was slightly too large according to the surface image of thermal interface material.

关键词： Polymers Composite materials Nanostructured materials Thermal conductivity Electronic packaging thermal management Conducting materials Thermal resistance Thermal management Polyimides Thermal management of electronics

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Performance Regulation and Application Evaluation of Colorless Polyimide for Flexible displays

SSRN

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SSRN 2024年

作者： Zhang, Han Chen, Longlong Xin, Hanshen Zhang, Jianhua School of Microelectronics Shanghai University Shanghai201800 China Key Laboratory of Advance Display and System Applications Ministry of Education Shanghai University Shanghai China

Flexible display technology demands specific characteristics from substrate materials, including a high glass transition temperature, significant optical transparency, strong mechanical properties, and a compatible coefficient of thermal expansion. This research focused on improving the optical, thermal, and mechanical properties of colorless polyimide films by adjusting the ratios of fluorine monomers and investigating various annealing temperatures. This approach provided valuable insights into the relationship between structural characteristics and performance, as well as the impact of annealing temperature on these attributes. To evaluate the reliability of the colorless polyimide films, a chemical vapor deposition method was employed to deposit buffer layers onto the surface of colorless polyimide films. High-temperature annealing experiments indicated that both excessively high and low thermal expansion coefficient could result in the formation of cracks. Finally, after conducting 200,000 folding tests, it was confirmed that the films displayed excellent mechanical properties, with no cracks observed in the buffer layer. This research could provide important insights for developing new substrate materials in display applications. © 2024, The Authors. All rights reserved.

关键词： Flexible displays

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DeePMD-kit v3: A Multiple-Backend Framework for Machine Learning Potentials

arXiv

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arXiv 2025年

作者： Zeng, Jinzhe Zhang, Duo Peng, Anyang Zhang, Xiangyu He, Sensen Wang, Yan Liu, Xinzijian Bi, Hangrui Li, Yifan Cai, Chun Zhang, Chengqian Du, Yiming Zhu, Jia-Xin Mo, Pinghui Huang, Zhengtao Zeng, Qiyu Shi, Shaochen Qin, Xuejian Yu, Zhaoxi Luo, Chenxing Ding, Ye Liu, Yun-Pei Shi, Ruosong Wang, Zhenyu Bore, Sigbjørn Løland Chang, Junhan Deng, Zhe Ding, Zhaohan Han, Siyuan Jiang, Wanrun Ke, Guolin Liu, Zhaoqing Lu, Denghui Muraoka, Koki Oliaei, Hananeh Singh, Anurag Kumar Que, Haohui Xu, Weihong Xu, Zhangmancang Zhuang, Yong-Bin Dai, Jiayu Giese, Timothy J. Jia, Weile Xu, Ben York, Darrin M. Zhang, Linfeng Wang, Han School of Artificial Intelligence and Data Science Unversity of Science and Technology of China Hefei China AI for Science Institute Beijing100080 China DP Technology Beijing100080 China Academy for Advanced Interdisciplinary Studies Peking University Beijing100871 China State Key Lab of Processors Institute of Computing Technology Chinese Academy of Sciences Beijing100871 China University of Chinese Academy of Sciences Beijing China Baidu Inc. Beijing China Department of Computer Science University of Toronto TorontoON Canada Department of Chemistry Princeton University PrincetonNJ08540 United States University of Chinese Academy of Sciences Beijing100871 China State Key Laboratory of Physical Chemistry of Solid Surfaces iChEM College of Chemistry and Chemical Engineering Xiamen University Xiamen361005 China College of Integrated Circuits Hunan University Changsha410082 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Center for Smart Materials and Device Integration School of Material Science and Engineering Wuhan University of Technology Wuhan430070 China College of Science National University of Defense Technology Changsha410073 China Hunan Key Laboratory of Extreme Matter and Applications National University of Defense Technology Changsha410073 China ByteDance Research Beijing100098 China Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo315201 China College of Materials Science and Opto-Electronic Technology University of Chinese Academy of Sciences Beijing100049 China Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education College of Chemistry Beijing Normal University Beijing100875 China Department of Geosciences Princeton University PrincetonNJ08544 United States Department of Applied Physics and Applied Mathematics Columbia University New YorkNY10027 United States IKKEM Fujian Xiamen361005 China Graduate

In recent years, machine learning potentials (MLPs) have become indispensable tools in physics, chemistry, and materials science, driving the development of software packages for molecular dynamics (MD) simulations and related applications. These packages, typically built on specific machine learning frameworks such as TensorFlow, PyTorch, or JAX, face integration challenges when advanced applications demand communication across different frameworks. The previous TensorFlow-based implementation of DeePMD-kit exemplified these limitations. In this work, we introduce DeePMD-kit version 3, a significant update featuring a multi-backend framework that supports TensorFlow, PyTorch, JAX, and PaddlePaddle backends, and demonstrate the versatility of this architecture through the integration of other MLPs packages and of Differentiable Molecular Force Field. This architecture allows seamless backend switching with minimal modifications, enabling users and developers to integrate DeePMD-kit with other packages using different machine learning frameworks. This innovation facilitates the development of more complex and interoperable workflows, paving the way for broader applications of MLPs in scientific research. Copyright © 2025, The Authors. All rights reserved.

关键词： Molecular dynamics

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Depth estimation system suitable for hardware design

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Journal of Shanghai University(English Edition) 2011年第4期15卷 325-330页

作者：李贺建左一帆杨高波安平王建伟滕国伟 Key Laboratory of Advanced (Shanghai University) Display and System Application Ministry of EducationShanghai 200072P.R.China College of Computer and Communication Hunan UniversityChangsha 410082P.R.China School of Communication and Information Engineering Shanghai UniversityShanghai 200072P.R.China

Depth estimation is an active research area with the developing of stereo vision in recent years. It is one of the key technologies to resolve the large data of stereo vision communication. Now depth estimation still has some problems, such as occlusion, fuzzy edge, real-time processing, etc. Many algorithms have been proposed base on software, however the performance of the computer configurations limits the software processing speed. The other resolution is hardware design and the great developments of the digital signal processor （DSP）, and application specific integrated circuit （ASIC） and field programmable gate array （FPGA） provide the opportunity of flexible applications. In this work, by analyzing the procedures of depth estimation, the proper algorithms which can be used in hardware design to execute real-time depth estimation are proposed. The different methods of calibration, matching and post-processing are analyzed based on the hardware design requirements. At last some tests for the algorithm have been analyzed. The results show that the algorithms proposed for hardware design can provide credited depth map for further view synthesis and are suitable for hardware design.

关键词： 3-D TV （3DTV） depth estimation hardware design rank transform census transform

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Non-reference virtual view quality evaluation of MVD

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Journal of Shanghai University(English Edition) 2011年第4期15卷 342-346页

作者：张艳安平张秋闻王元庆张兆杨 School of Communication and Information Engineering Shanghai University Department of Computer Science and Technology Anhui University of Finance and EconomicsBengbu 230030AnhuiP.R.China Key Laboratory of Advanced Display and System Application (shanghai University) Ministry of Education Department of Electronics Science and Engineering Nanjing University

The quality of virtual view based on multi-view video （MVD） plus depth format is often evaluated by PSNR or subjectively judged. However, due to synthesizing arbitrary view images, the virtual view images mostly have no reference images and are only assessed using non-reference. Virtual view images synthesized by depth estimation reference software （DERS） and view synthesis reference software （VSRS） often accompanied with blockiness and other distortions on the edge. In addition, matching level for the depth map and the corresponding texture maps of left and right views also affects the quality of the virtual view. This paper compares the edge similarity of the depth and the corresponding texture maps which generate the intermediate virtual view and combined with the virtual view＇s blockiness which causing blur to evaluate the quality of the virtual view. Experiment results show that the proposed method can reflect the quality of the virtual view better.

关键词： non-reference quality evaluation virtual view multi-view video （MVD） plus depth free viewpoint television （FTV）

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Improved Performance Organic Thin-film Transistors with Modified Gate Insulators

Improved Performance Organic Thin-film Transistors with Modi...

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International Symposium on High Density Packaging and Microsystem Integration (HDP)

作者： Chen Ling Zhu Wen Qing Bai Yu Liu Xiang Jiang Xue Yin Zhang Zhi Lin Key Laboratory of Advanced Display and System Application Ministry of Education Shanghai University Shanghai China Shanghai University Shanghai Shanghai CN

Organic thin film transistors (OTFTs) with modified gate insulator were demonstrated in this paper. The modified gate insulator layers consisted of SiO 2 as the gate insulator and OTS ( octadecyltrichlorosilane ) or PMMA (Poly(methyl methacylate)) as the modified layer. The devices with the modified layer had field-effect mobility larger than 10 -3 cm 2 /Vs, which was twice than that of the OTFT without modification. The on/off current ratio was increased one order of magnitude and reached more than 10 4 . The leakage current was decreased from 10 -9 A to 10 -10 A. The results demonstrate that using modified gate insulators can obviously improve the performance of the OTFTs.

关键词： Thin film transistors Organic thin film transistors Electrodes Surface treatment Dielectrics and electrical insulation Plastic insulation Substrates Organic semiconductors Organic materials Dielectric materials

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Electrical degradation behavior in metal oxide thin film transistor under negative bias-illumination stress

Electrical degradation behavior in metal oxide thin film tra...

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International Conference on Optical Communications and Networks (ICOCN)

作者： Youhang Zhou Jun Li Yaohua Yang Qi chen Jianhua Zhang Zhilin Zhang School of Material Science and Engineering Shanghai University Jiading Shanghai People’s Republic of China Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Shanghai People’s Republic of China

The electrical degradation behavior in metal oxide thin film transistor (TFT) under negative bias-illumination stress (NBIS) is one of the biggest obstacles for its applications in flat panel display. In order to solve this issue, Sr and N are doped in In 2 O 3 thin film and significantly improve the NBIS stability of In 2 O 3 TFT. In addition, the doping of N can also reduce the degradation in electrical performance caused by Sr doping. The XPS of SrInON thin film is tested to prove the reduction of the oxygen vacancy.

关键词： Thin film transistors Doping Thermal stability Stress Lighting Degradation Stability analysis

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ASIC design of UHF RFID reader digital baseband

ASIC design of UHF RFID reader digital baseband

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Asia Pacific Conference on Postgraduate Research in Microelectronics & Electronics (PrimeAsia)

作者： Jing Liu Yihao Chen Bin Gu Runxi Zhang Feng Ran Zongsheng Lai IMCS East China Jiao Tong University Shanghai China Key laboratory of advanced display and system application Shanghai University China

This paper presents the ASIC design and implementation of digital baseband system for UHF RFID reader based on EPC Global C1G2 /ISO 18000-6c protocol. The digital baseband system consists of two parts: transmitter and receiver, which inculing encoding module, decoding module, channel filers, CRC chenk module, control module and a SPI module. It is described in verilog HDL in RTL level, with Design Compiler for synthesizing, PT for static timing analyzing and Astro for physical design. The die is fabricated using IBM 130nm 8-layer-metal RF cmos process successfully, which size is 3 mm × 3mm, the power consumption is around 6.7mW. It can be applied in the research of single-chip UHF RFID reader.

关键词： Radiofrequency identification Baseband Finite impulse response filter Protocols Encoding IIR filters Decoding

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Reduced resolution depth compression for multiview video plus depth coding

Reduced resolution depth compression for multiview video plu...

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International Conference on Signal Processing Proceedings (ICSP)

作者： Qiuwen Zhang Ping An Yan Zhang Qian Zhang Zhaoyang Zhang School of Communication and Information Engineering Shanghai University Shanghai China Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai China School of Information Engineering Anhui University of Finance and Economics Bengbu China

Multiview video plus depth (MVD) is a new 3D video format that would support 3D video applications. The primary goals are the high-quality reconstruction of an arbitrary number of views for 3D television (3DTV) and free viewpoint television (FTV). Its quality depends highly on the quality of depth image, a depth compression base B-spline interpolation is proposed for MVD to improve the 3D video coding (3DVC). The depth map is down sampling prior to multiview video coding (MVC) encoding and up sampling after decoding. The results investigated by objective as well as subjective evaluations over several multi-view test sequences imply that the proposed methods reduce the bit-rate for depth coding and achieve better rendering quality.

关键词： Encoding Three dimensional displays Rendering (computer graphics) Low pass filters Nonlinear filters Maximum likelihood detection Bit rate

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