基于场的触摸屏对称图形电容的快速计算

Q Engineering

Journal of Display Technology Pub Date : 2016-09-28 DOI:10.1109/JDT.2016.2614261

Bau-Jy Liang;Don-Gey Liu;Hsiao-Chun Chen;Yu-Chen Fang;Pi-Fang Hung

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引用次数: 2

摘要

本文提出了一种精确的三维（3D）解析解来计算触摸板的投影电容。在这项研究中，对选定的对称图案进行了研究以进行计算。我们首先将三维结构分解为对称的切片，使每个切片都被视为二维结构，并通过闭合形式的解析解进行求解。电场强度的总分布由相关切片的所有场求和。在本文中，我们的分析方法的精度将通过自驱动或相互驱动方法来检验金刚石和三角形图案。这些结果与Q3D的数值模拟结果仅相差5%，而对于相同的结构，我们的方法将计算时间从Q3D的约1h缩短到几十秒。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Quick Field-Based Calculation for the Capacitances of Symmetrical Patterns in Touch Panels

In this paper, an accurate three-dimensional (3D) analytical solution is proposed to calculate the projective capacitances of touch panels. In this study, selected symmetrical patterns were investigated for the calculation. We first decomposed the 3D structure into symmetrical slices such that each slice was regarded as a 2D structure and solved by close-form analytical solutions. The total distributions of the electrical field intensities were summed by all the fields of the related slices. In this paper, the precision of our analytical method will be examined for a diamond and a triangular patterns by the self or mutual driving method. These results showed only 5% difference from those of the numerical simulation by Q3D while the computation time was reduced from about 1 h by Q3D to a few tens of seconds by our method for the same structure.

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来源期刊

Journal of Display Technology 工程技术-工程：电子与电气

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

2.8 months

期刊介绍： This publication covers the theory, material, design, fabrication, manufacturing and application of information displays and aspects of display technology that emphasize the progress in device engineering, design and simulation, materials, electronics, physics, and reliability aspects of displays and the application of displays. The Journal is sponsored by EDS, seven other IEEE societies (BT, CES, CPMT, IA, IM, PHO and SSC) and the Optical Society of America (OSA).