最新刊期
期 12 ， 2017
- 摘要：
In order to achieve the increasingly frivolous mobile terminal requirements, In-cell Touch technology is the best choice for touch control. At present, the Amorphous Indium Gallium Zinc Oxide Thin Film Transistor (a-IGZO TFT) has attracted more and more attention. Compared with the traditional silicon-based TFT, IGZO have their respective advantages, for example, the manufacturing cost is lower compared to LTPS TFT, and the process is easy to control. This paper introduced the design of 5.5 in FHD In-cell p 关键词：IGZO;In-cell Touch;MUX;projected capacitive;FFS- 76
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发布时间：2020-07-07 - 摘要：In order to improve the color shift of the white screen of the Liquid Crystal Display (LCD) of mobile phone, this paper proposes two methods of color temperature calibration, and compares the calibration results respectively. Experimental results shows that the color coordinate method 1 can control the color coordinate tolerance within ±0.01, even smaller (base on the algorithm requirement and the accuracy of the equipment). This method can't be applied to mass production, because it takes too long time to do it. Although it sacrifices the color temperature uniformity(±0.015) by using the luminance method 2, the production efficiency of the factory was nearly twice as higher as the color coordinate method 1. Taking the factors of cost and efficiency into account, the luminance method 2 is better to meet the demand of practical engineering application.关键词：mobile phone;liquid crystal display;color shift;color temperature calibration;production efficiency;color coordinates
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发布时间：2020-07-07 - 摘要：The key issue of forming photo spacer by layer stacking on TFT-LCD CF substrate, such as height control, main-sub difference tuning and the variation of main-sub different after OC process is investigated. Corresponding solution has been proposed. A shape-following OC material is used to control PS height by tuning OC thickness, which indicates that the thickness of BM, Red, Green, Blue layer won't has to be changed to achieve certain stacking height. The main-sub difference can be acquired by changing pattern size of each Stacking layers. The tuning range of main-sub difference is 0.4~1.2μm, which already reaches the level of half tone mask technology, but at much lower cost. It is confirmed that the main-sub difference formed by BM/R/G/B layer stacking can be maintained after OC process. A prototype of 4 mask Color filter is fabricated, based on stacking photo spacer technology.关键词：color filter;stacking photo spacer;shape-following
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发布时间：2020-07-07 - 摘要：
Traditional halogen light sources are being gradually replaced by LED for airfield navigation lights. The runway guard lights are important navigation lights to prevent the aircraft from invading the runway. The study of the ring and square LED array center illumination and luminous angle is proposed aiming at its requirements of the luminous characteristics. Firstly, the calculation method of center illumination and luminous angle of single LED light source at target plane is given. Secondly, the above two 关键词：optical design;LED array;center illumination;spot radius;luminous angle- 338
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发布时间：2020-07-07 - 摘要：
Photo-polymerization-induced phase separation is a most widely used method to fabricate polymer dispersed liquid crystal (PDLC) films. Meanwhile, dichroic dye is usually introduced into PDLC films to enhance the contrast ratio. However, until now, commercial dye-doped PDLC films are still very few, because UV-light can make dye decompose in the process of photo-polymerization-induced phase separation and dye absorbs UV-light causing the polymerization rate of the prepolymer to slow down. Recently, nucleophi 关键词：polymer dispersed liquid crystal;click reaction;reaction temperature;electro-optical property- 77
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发布时间：2020-07-07
Material Science
- 摘要：
The OLED-on-silicon microdisplay with high resolution and high refresh frequency is required in future applications. A novel active matrix OLED-on-silicon microdisplay driver architecture is proposed to reduce the pixel area and the data throughput to meet the new requirements. The proposed architecture adopts the digital-analog-hybrid scan strategy, which combines the digital pulse width modulation method and the analog amplitude modulation method. The multi-column multiplexing column drive channel is desi 关键词：digital-analog-hybrid scan strategy;OLED-on-silicon microdisplay driving circuit;multiplexing structure;Data throughput- 37
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发布时间：2020-07-07 - 摘要：
In order to ensure that the ultraviolet limb imaging spectrometers can finish the engineering task satisfactorily, monitor and research the earth limb spectrums, the communication and data transmission system was designed and implemented. Firstly, the structure and the operating principle of communication and data transmission system were introduced. Secondly, the function of communication was designed in detail, the fault diagnosis and treatment method based on communication timeout and data error was prop 关键词：spectrometer;communication;data transmission- 51
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发布时间：2020-07-07
Driverand System
- 摘要：
For face recognition, the face image are affected by the variations of expression, lighting, occlusion, pose and especially the number of training samples. However, in practical application, we only have insufficient training samples. The collaborative representation algorithm of combining the original training samples with the axial-symmetry samples is proposed because the original training samples generate the corresponding virtual training samples to increase the number of training samples. Firstly, the 关键词：face recognition;mirror samples;axial-symmetry samples;collaborative representation;weight fusion- 64
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发布时间：2020-07-07 - 摘要：
Aiming at the problems of occlusion, scale transformation and illumination change in the tracking process, a depth kernel correlation filtering algorithm is proposed based on the multi-template. Firstly, the multi-template algorithm selects the best filtering parameters to optimize the ability of the classifier training samples. The various features are used to optimize the target appearance model which improves the robustness of the multi-feature algorithm. Then, in the tracking process, the depth map info 关键词：target tracking;multi-template;depth information;overlap- 29
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发布时间：2020-07-07 - 摘要：Aiming at the problem that the clustering algorithm is slow in the application and weak in noise suppression, this article proposes a remote sensing image segmentation based on improved Kernel Fuzzy C-means (KFCM) and EM algorithm hybrid clustering. Firstly, the implicit variables are introduced into the original KFCM algorithm to predefine the pixels, and then the EM algorithm is used to evaluate whether the predefined categories are optimal, so as to complete the clustering of the remote sensing images. When using the EM algorithm for evaluation, the KFCM introduces the spatial neighborhood information and the inertia weight is used to optimize the initialization parameters to enhance the efficiency of the algorithm. Compared with the traditional clustering methods, the results show that the method in this article is fast and effective, and the precision can meet the application requirements and has high application value.关键词：remote sensing image;kernel fuzzy C-means;EM;spatial neighborhood;inertia weigh
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发布时间：2020-07-07
Image Processing
- 摘要：
To optimize the flicker visibility in solid-state 3D volumetric display, the impact of ambient light on flicker in solid-state 3D volumetric display is studied. The frequency domain energy distribution of superposition of ambient light and imaging light in the frequency domain is obtained through Fourier transformation, and the possible causes of ambient light affecting display flicker are analyzed. Meanwhile, two visual perception experiments were designed and implemented, and the experimental data are sta 关键词：solid-state volumetric 3D display;ambient light;flicker;visual perception- 30
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发布时间：2020-07-07
Display Technology
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