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21st International display Workshops 2014, IDW 2014

作者： Li, Jun Zhang, Jian-Hua Zhang, Hao Jiang, Xue-Yin Zhang, Zhi-Lin School of Material Science and Engineering Shanghai University Jiading Shanghai201800 China Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Shanghai200072 China

ISBN: (纸本)9781510827790

We have fabricated hafnium-indium-zinc-oxide (HflnZnO) thin film transistors (TFT) with indium-tin-oxide (ITO) interlayer. Compared with conventional HflnZnO-TFT, the electrical performance and bias stability of HflnZnO-TFTs with ITO interlayer are improved. The performance enhancement is attributed to a decrease in interface trap state and an increase in carrier concentration. © 2014 ITE and SID.

关键词： Tin oxides

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Metal-oxide field-effect transistors for display and beyond 19

Metal-oxide field-effect transistors for display and beyond

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19th International Conference on Optical Communications and Networks, ICOCN 2021

作者： Li, Linkang Fu, Wenhui Li, Jun Zhang, Jianhua Zhang, Zhilin School of Material Science and Engineering Shanghai University Shanghai Jiading201800 China Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Shanghai 200072 China

ISBN: (纸本)9781665424462

Metal oxide field-effect transistors (FETs) have potential applications in display, flexible electronic device. Here, we will report the advance of our OLED display, metal oxide FETs, and application in beyond display. We have paid more attention to the stability improvement, interface trap of MO-TFT, and application in CMOS circuit, artificial synapse and gas sensor. © 2021 IEEE.

关键词： Field effect transistors

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Real-time streaming and robust streaming H.264/AVC video

Real-time streaming and robust streaming H.264/AVC video

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International Conference on Image and Graphics (ICIG)

作者： Zhi-Gang Li Zhao-Yang Zhang Shanghai University China Key Laboratory of Advanced Display and System Applications

With the increasingly extensive applications for the new emerging video coding standard, H.264/AVC, it becomes more and more important that we transport H.264/AVC video over MPEG-2 system by exploiting all the existing large amount of the infrastructure of MPEG-2 systems. In this paper, we propose two solutions for it. The key technologies are as follows: firstly we use an H.264/AVC video as an elementary stream of an MPEG-2 system and multiplex it into a TS (transport stream), then extend the T-STD (transport stream-system target decoder) of MPEG-2 standard, so as to transport MPEG-2 TS through Internet and decode it in the client. Ordinarily, the decoded elementary stream should come from a container (a system layer encapsulation including a compression layer), such as AVI. However, we take MPEG-2 TS as a container herein. We encapsulate the H.264/AVC elementary stream into this container in the server, and extract the H.264/AVC video from it to be decoded and be represented. If we use the UDP (user datagram protocol) as a transport protocol, the streaming process will be a real-time one. The experiment result shows that we get a good result, with less than 5% frames whose PSNR<40 dB. We can even get a robust streaming by using the HTTP/TCP (hyper-text transport protocol/transport control protocol) as a transport protocol. All the streaming solutions that we proposed in this paper can also be used for mobile video.

关键词： Streaming media Robustness Automatic voltage control Transport protocols Decoding Transform coding Containers Video coding Internet Encapsulation

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Building an AMBA AHB compliant memory controller

Building an AMBA AHB compliant memory controller

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International Conference on Measuring Technology and Mechatronics Automation

作者： Hu, Yueli Yang, Ben Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Shanghai 200072 China College of Mechanical and Electronic Engineering and Automation Shanghai University Shanghai 200072 China

ISBN: (纸本)9780769542966

Microprocessor performance has improved rapidly these years. In contrast, memory latencies and bandwidths have improved little. The result is that the memory access time has been a bottleneck which limits the system performance. Memory controller (MC) is designed and built to attacking this problem. The memory controller is the part of the system that, well, controls the memory. The memory controller is normally integrated into the system chipset. This paper shows how to build an advanced Microcontroller Bus Architecture (AMBA) compliant MC as an advanced High-performance Bus (AHB) slave. The MC is designed for system memory control with the main memory consisting of SRAM and ROM. Additionally, the problems met in the design process are discussed and the solutions are given in the paper.

关键词： Buses

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A new improved depth estimation algorithm based on gradient feature for preserving consistency among views

A new improved depth estimation algorithm based on gradient ...

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3rd International Conference on Multimedia Information Networking and Security, MINES 2011

作者： Qian, Wang Xiang Shen, Liquan Jiang, Yizhong Zhang, Zhaoyang School of Communication and Information Engineering Shanghai University Key Laboratory of Advanced Display and System Application Shanghai China

ISBN: (纸本)9780769545592

In this paper we introduce a more reliable depth estimation algorithm, which is effective in improving the depth maps. With the commercial development of three-dimensional television (3DTV), the corresponding three-dimensional productions are becoming more popular. Especially, the depth estimation is one of the key technologies of multi-view video (MVV) and free viewpoint video (FVV) systems, but how to get accurate depth information is becoming the key issue. Based on the existing depth estimation reference algorithm (DERS), the proposed algorithm takes the improvements of the data term of the global algorithm. As experiment results show, our method not only improves the objective quality of synthesized virtual images in terms of PSNR, but also makes the subjective visual effect better. © 2011 IEEE.

关键词： Image enhancement

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High-performance thin film encapsulation for the application of white organic light-emitting diodes

High-performance thin film encapsulation for the application...

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作者： Liao, Yingjie Liu, Jizhong Zhang, Yong Li, Long Yu, Fangfang Wei, Bin Key Laboratory of Advanced Display and System Applications Shanghai University Ministry of Education Shanghai 200072 China School of Mechanical and Electronic Engineering and Automation Shanghai University Shanghai 200072 China

ISBN: (纸本)0878492119

Color conversion method has been used to fabricate chromatic-stability white organic light-emitting diodes (OLEDs). Experimental results found little CIE coordinate migration while changing operation voltage from 5 V to 12 V. A simple thin-film encapsulation (TFE) structure has been developed through vacuum thermal deposition in combination with plasma enhanced chemical vapor deposition. The luminance of the encapsulated white OLED remain unchanged during the test time. The novel approach is being expected to lower the cost and achieve high-performance TFE. © (2011) Trans Tech Publications.

关键词： Plasma enhanced chemical vapor deposition

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Lightweight structure of a phase-change thermal controller based on lattice cells manufactured by SLM

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Chinese Journal of Aeronautics 2019年第7期32卷 1727-1732页

作者： Hao ZHOU Xiaoyu ZHANG Huizhong ZENG Huning YANGa Hongshuai LEI Xiao LI Yaobing WANG Beijing Key Laboratory of Intelligent Space Robotic Systems Technology and Applications Beijing Institute of Spacecraft System EngineeringCASTBeijing100094China Institute of Advanced Structure Technology Beijing Institute of TechnologyBeijing100081China

Thermal controllers equipped with phase-change materials are widely used for maintaining the moderate temperatures of various electric devices used in spacecraft. Yet, the structures of amounts of thermal controllers add up to such a large value that restricts the employment of scientific devices due to the limit of rocket capacity. A lightweight structure of phase-change thermal controllers has been one of the main focuses of spacecraft design engineering. In this work, we design a lightweight phase-change thermal controller structure based on lattice cells. The structure is manufactured entirely with AlSi10 Mg by direct metal laser melting. The dimensions of the structure are 230 mm × 170 mm × 15 mm, and the mass is 190 g, which is 60% lighter than most traditional structures(500–600 g) with the same dimensions. The 3 D-printed structure can reduce the risk of leakage at soldering manufacture by a welding process. Whether the strength of the designed structure is sufficient is determined through mechanical analysis and experiments. Thermal test results show that the thermal capacity of the lattice-based thermal controller is increased by50% compared to that of traditional controllers with the same volume.

关键词： Lattice structure Lightweight Selective laser melting(SLM) Spacecraft Thermal controller

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Hydrogen passivation for the performance enhancement of poly-Si crystallized by double-frequency YAG laser

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Optoelectronics Letters 2010年第4期6卷 288-290页

作者：李娟丁思维姚颖罗翀孟志国吴春亚熊绍珍张志林郭海诚 Tianjin Key Laboratory of Photo-electronic Thin Film Devices and Technology Key Laboratory of Opto-electronic Information Science and Technology(Nankai University and Tianjin University) Ministry of Education Institute of Photo-electronics Nankai University Key Laboratory of Advanced Display and System Applications Ministry of EducationShanghai University Department of Electronic and Computer Engineering The Hong Kong University of Science and Technology

The hydrogen passivation is adopted to enhance the performance of poly-Si crystallized by YAG laser annealing(LA polySi).The effects of passivation time,passivation power and passivation temperature on the hall mobility of the LA poly-Si are investigated and the mechanism of the hydrogen passivation is preliminarily *** is found that the effect of the hydrogen passivation on the qulity of YAG laser annealed poly-Si is also correlated with the deposition method and the defect type in it.

关键词： YAG激光器性能增强氢钝化结晶双频率聚硅激光退火多晶硅

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Single-channel blind separation of JPEG permuted image using double compression

Single-channel blind separation of JPEG permuted image using...

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2010 International Conference on Audio, Language and Image Processing, ICALIP 2010

作者： Wang, Wei Fang, Yong School of Communication and Information Engineering Key Laboratory of Specialty Fiber Optics and Optical Access Networks Shanghai University Shanghai 200072 China Key Laboratory of Advanced Display and System Applications Shanghai University Ministry of Education 200072 China

ISBN: (纸本)9781424458653

A novel blind separation algorithm based on double compression for single-channel JPEG permuted image was proposed in this paper. Firstly, the permuted image was compressed again, and then the primary compression factors were estimated by calculating the correlation coefficients of image blocks in pre and post recompression. Secondly, a 'mapping space' was constructed based on the primary compression factors estimated, according to different classification parameters in the mapping space, the activation region could be accurately detected and the permutation mixing matrixes were estimated. Lastly, the source image blocks could be completely recovered using permutation mixing matrix estimated. Simulation results show a high detection accuracy on the permuted image with uncompressed and without noised. Furthermore, the robustness against Gaussian noise and lossy JPEG compression of the algorithm were analyzed in this paper. ©2010 IEEE.

关键词： Mapping

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Power test method for LED backlight LCD TVs and software development

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Journal of Shanghai University(English Edition) 2011年第4期15卷 267-271页

作者：刘臻张建华 School of Mechatronics Engineering and Automation Shanghai University Key Laboratory of Advanced Display and System Application (Shanghai University) Ministry of Education

As the appearance of local dimming technique, the current existing test methods are not suitable for testing the power consumption of the LCD TVs using the local dimming technique any longer. A test method appropriate to LED backlight LCD TVs using the local dimming technique is proposed in this paper, and then the test software is developed. The results demonstrate that the test software developed can show the real average power consumption of the LCD using local dimming technique, and by normalization the power consumption become comparable for not only local dimming LCD TVs but global dimming LCD TVs. Using the software developed in this paper, the ratio of power saving is clear when an LCD TV using the local dimming technique compared with one without local dimming technique.

关键词： local dimming global dimming power consumption test comparison

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