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2012 International Applied Mechanics, MechatronicsAutomation and system Simulation Meeting, AMMASS 2012

作者： Chen, Longlong Li, Xifeng Shi, Jifeng Zhou, Chang Zhang, Jianhua Key Laboratory of Advanced Display and System Applications of Ministry of Education Shanghai University Shanghai 200072 China Shanghai Micro Electronics Equipment Co. LTD. Shanghai 201203 China

ITO transparent film was deposited on glass substrates by RF-magnetron sputtering equipment as electrode, routing material and the photolithography process was studied. The results shown that the ITO based transparent electrode routing needs larger dose energy than that Mo based substrate when the PR processes were all identical. The photo resist cannot be exposed thoroughly where the length/width ratio of gap between routing serried lines lager than 80 as the typical Mo based exposure process. The width of gap reached to 8.7um which was the limit of exposure machine of transparent film after the 2000um-length, 4um-width gap was exposed thoroughly. It should be attention of the routing gap design for electrical characters in transparent flat panel display. © (2012) Trans Tech Publications, Switzerland.

关键词： Flat panel displays

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Synthesis of ZnO nanorods based on electrospinning technology

Synthesis of ZnO nanorods based on electrospinning technolog...

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2020 International Conference on Environment Science and advanced Energy Technologies, ESAET 2020

作者： Lu, Xiuzhen Sun, Yongqian Jiang, Ziwei Zhang, Maomao Lin, Yang SMIT Center School of Mechatronic Engineering and Automation Shanghai University Shanghai200072 China Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Shanghai200072 China

A new method for fabrication of ZnO nanorods was reported. ZnO nanorods were synthesized by electrospinning technology and heat treatment with polyvinyl alcohol (PVA) and Zinc acetate as precursor. After heat treatment of ZnO electrospun nanofibers, ZnO nanorods were obtained. Morphology of ZnO nanorods was characterized by Scanning electron microscopy (SEM). Various morphologies, such as sphere, flower and plane composed of ZnO nanorods were observed. Transmission electron microscopy (TEM) images demonstrated ZnO nanorods are a single crystalline structure with a diameter of 100-180 nm. The hexagonal wurtzite structure of ZnO nanorods was determined by X-ray diffraction (XRD) pattern and Raman spectra. © Published under licence by IOP Publishing Ltd.

关键词： Electrospinning

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Object based disparity estimation and view synthesis for immersive video conferencing

Object based disparity estimation and view synthesis for imm...

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25th PCS: Picture Coding Symposium 2006, PCS2006

作者： An, Ping Liu, Jia Zhang, Zhaoyang School of Communication and Information Engineering Shanghai University 149 Yanchang Road Shanghai 200072 China Key Laboratory of Advanced Displays and System Application Ministry of Education 149 Yanchang Road Shanghai 200072 China

ISBN: (纸本)300018726X

In immersive three-dimensional video conferencing system, disparity estimation and view synthesis are the key technologies that not only realize disparity map coding and transmission, but also achieve the effect of "Continuous look-around". Applying of object-based methods can insure obtaining accurate and fast disparity estimation that is convenient for intermediate view synthesis. Another advantage is that the segmented objects can be seamlessly embedded into virtual or natural environment in three-dimensional video conferencing. In this paper, an intermediate view synthesis algorithm based on object with large camera baseline is put forward. Firstly, foreground area is distinguished from background, and the disparity of only object area is estimated by a predict recursion method to increase the matching speed and accuracy. Then the intermediate view image is created by counter-map technology. Experimental results show that our synthesis method can obtain disparity map and intermediate views with high quality.

关键词： Video conferencing

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A jetting system for chip on glass package

A jetting system for chip on glass package

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2009 International Conference on Electronic Packaging Technology and High Density Packaging, ICEPT-HDP 2009

作者： Haili, Jia Zikai, Hua Maoyu, Li Jinsong, Zhang Jianhua, Zhang School Engineering and Engineering and Automation Shanghai University Shanghai City 200072 China Key Laboratory of Advanced Display and System Applications of Ministry of Education Shanghai University Shanghai City 200072 China

ISBN: (纸本)9781424446599

Jetting is regarded as the next generation dispensing technology due to its features of non-contact and high precision dispensing. In this paper, we developed a jetting system for chip-on-glass package consisting of a jetting dispenser and a 3-axis movement system. The jetting dispenser applied a concept of modular design to construct four modules, which were nozzle, actuator, feeder and temperature controller. To analyze the factors influencing the fluid jetting, the proper fluid and structure models were set up. In the jetting dispenser, we used a solenoid valve (f >100Hz) to provide a high-speed movement for a needle. In a dispensing process, a piston drove a needle to move reciprocate, and its stroke was measured and controlled by a micrometer. A 3-axis system was a platform for the installation of jetting dispenser, and supported a reciprocating motion to follow the programmed route. ©2009 IEEE.

关键词： Needles

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Digital dimmable controller in CCFL module based on variable frequency technique

Digital dimmable controller in CCFL module based on variable...

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International Conference on (ICEPT) Electronic Packaging Technology

作者： Feng Ran Tiezhu Li Meihua Xu Jian Wu Key Laboratory of Advanced Displays and system Application Ministry of Education Shanghai University China

A novel simple control method to improve the ignition behavior of cold cathode fluorescent lamp (CCFL) in digital-dimming mode is proposed in this paper. To extend the lamp life, we designed a digital-dimming controller (DDC) in cold cathode fluorescent lamp based on variable frequency technique. The design was simulated by Cadence Spectre. It is effective to eliminate the ignition current spike and reduce the high ignition voltage.

关键词： Oscillators Frequency control Ignition Voltage control Resonant frequency Capacitors Fault currents

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A high-speed GRAM built in TFT-LCD driver IC

A high-speed GRAM built in TFT-LCD driver IC

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作者： Yan, Limin Liu, Shujun Key Laboratory of Advanced Display and System Applications Shanghai University Microelectronics R and D Center Shanghai University Campus 149 Yanchang Road Shanghai 200072 China

ISBN: (纸本)9787561752289

LCD display solution always contains three main parts: controller, source driver and gate driver, which is commonly designed separately in large-sized panel, but integrated on single chip for medium-sized or small, such as digital cellular phones and small PDAs. This paper describes a high-speed GRAM (Graphics RAM) supporting 1-chip solution for TFT-LCD panel, which capacity is 132(width) × l76(length) × 16(RGB) bits, storing 65k-color image, which read access time is 546 ps.

关键词： Thin film transistors

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3DV quality model based depth maps for view synthesis in FTV system

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Journal of Shanghai University(English Edition) 2011年第4期15卷 335-341页

作者：张秋闻安平张艳张兆杨王元庆 Key Laboratory of Advanced Display and System Application (Shanghai University) Ministry of EducationShanghai 200072P.R.China School of Communication and Information Engineering Shanghai University Department of Computer Science and Technology Anhui University of Finance and EconomicsBengbu 230030AuhuiP.R.China Department of Electronics Science and Engineering Nanjing University

Depth maps are used for synthesis virtual view in free-viewpoint television （FTV） systems. When depth maps are derived using existing depth estimation methods, the depth distortions will cause undesirable artifacts in the synthesized views. To solve this problem, a 3D video quality model base depth maps （D-3DV） for virtual view synthesis and depth map coding in the FTV applications is proposed. First, the relationships between distortions in coded depth map and rendered view are derived. Then, a precisely 3DV quality model based depth characteristics is develop for the synthesized virtual views. Finally, based on D-3DV model, a multilateral filtering is applied as a pre-processed filter to reduce rendering artifacts. The experimental results evaluated by objective and subjective methods indicate that the proposed D-3DV model can reduce bit-rate of depth coding and achieve better rendering quality.

关键词： free-viewpoint television （FTV） 3D video quality model base depth maps （D-3DV） view synthesis

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Optimization of microcavity top-emitting organic light-emitting devices with MoOx as hole iqjection layer

Optimization of microcavity top-emitting organic light-emitt...

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作者： Cao, Jin Zhu, Wenqing Jiang, Xueyin Zhang, Zhilin Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Shanghai 200072 China Department of Materials science Shanghai University Shanghai 200072 China

ISBN: (纸本)9787561752289

Top-emitting organic light-emitting devices (TOLEDs) using a thin MoO x film deposited on a thick Ag as the reflective anode and LiF/Al/Ag as the semitransparent cathode are demonstrated. The hole injection of Ag anode can be significantly improved with surface modification using a MoOx thin film. For microcavity TOLEDs, optical length pay important role in determing the efficiency and color of the devices. By changing the optical length, the cavity resonance can be tuned to be consistent with the peak wavelength of spontaneous emission. In this way, the optimized efficiency is obtained. With Alq3 as the emitting layer, the optimized TOLEDs with MoOx as hole injection layer shows a tune-on voltage of 2. 68 V and a maximum current efficiency of 7.44 cd/A, which are much better than those (3.37 V, 4.67 cd/A) obtained from the conventional OLED. The good performance of TOLED is attributed to the efficient hole injection from the Ag/MoOx anode as well as the optimized microcavity effect.

关键词： Anodes

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Efficiency and color rendering index improvement of white organic light-emitting device for lighting applications

Efficiency and color rendering index improvement of white or...

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第十届中国国际半导体照明论坛

作者： Jianning Yu Bin Wei Jianhua Zhang Key Laboratory of Advanced Display and System Applications Ministry of EducationShanghai University

High efficiency performance[1,2] and color rendering index(CRI)[3-7] are two main requirements for white organic light-emitting diode(WOLED) which can be applied in high-quality lighting *** report successful fabrication of efficient and high CRI phosphorescent WOLED by employing ultra-thin emitting layer architecture[8] and developing multi-peak electroluminescence spectra[9].By fine-tuning the thicknesses of emitting layers and space layer,we have obtained WOLED with a high CRI of 80 and high luminance efficiency(LE) of 29.2 cd/A which only rolls off to 22.8 cd/A at 1000 cd/*** multi-peak WOLED,CRI above 85 and a maximum luminance efficiency of 27.3 cd/A are realized with three *** four-peak WOLED yields color-temperature tunable white emission in the luminance range of 100 cd/m2 to 5000 cd/m2,demonstrates a sunlight-like spectrum with a CRI of 89 at 5000 cd/*** ultra-thin emitting layer is a promising technique to achieve high performance WOLED and the wide color-temperature span of four-peak WOLED could meet the requirement for lighting indwellings.

关键词： Efficiency and color rendering index improvement of white organic light-emitting device for lighting applications

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Optical Optimization of Deep Submersible LED Light on Silicone Package

Optical Optimization of Deep Submersible LED Light on Silico...

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International Conference on (ICEPT) Electronic Packaging Technology

作者： Pinhan Huang Tong Chen Luqiao Yin Tingting Zhao Jianhua Zhang Key Laboratory of Advanced Display and System Applications (Shanghai University) Shanghai China

ISBN: (数字)9781728150642

ISBN: (纸本)9781728150659

Deep submersible lighting with LED as the light source commonly used sapphire glass as a pressure-resistant transparent window, but the refractive index of sapphire glass is 1.76~1.78, which will produce sizeable specular reflection at the interface with air, resulting in loss of light energy. To solve this problem, a method of encapsulating a sapphire mirror to form an anti-reflection layer using optical silica gel has been proposed. Through the calculation and selection of suitable optical silica gel, the structural design and preparation process of silica gel anti-reflection is completed. Finally, optical simulation analysis by TracePro, it was found that the use of IVS4542 silica gel with a refractive index of 1.41 can increase the light transmittance of the lamp by 2.08%.

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