一种对超薄触摸屏显示噪声具有鲁棒性的电容式触摸控制器

2012 IEEE International Solid-State Circuits Conference Pub Date : 2012-04-03 DOI:10.1109/ISSCC.2012.6176943

Kiduk Kim, S. Byun, Yoon-Kyung Choi, J. Baek, Hwa-Hyun Cho, Jong-kang Suwon Park, Hae-Yong Ahn, Chang-Ju Lee, Min-Soo Cho, Joo-Hyeon Lee, Sang-Woo Kim, Hyung-Dal Kwon, Yong-Yeob Choi, Hosuk Na, Junchul Park, Yeonwoo Shin, Kyungsuk Jang, Gyoo-cheol Hwang, Myunghee Lee

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引用次数: 40

摘要

电容式触摸屏在移动应用中得到了广泛的应用。电容式触摸屏显示模块通常是通过连接两个独立的模块来组装的:1)一个触摸屏模块，触摸面板玻璃或薄膜附着在覆盖窗口上;2)一个显示模块，它们之间有一个小的气隙。气隙的一个重要作用是减少显示噪声对传感器的电容耦合，它是非常有效的，因为空气的介电常数比玻璃的介电常数低4 x以上。

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 capacitive touch controller robust to display noise for ultrathin touch screen displays

Capacitive touch screens have become widely adopted in mobile applications. Capacitive touch-screen display modules have conventionally been assembled by bonding two separate modules: 1) a touch-screen module with touch panel glass or film attached to the cover window, and 2) a display module, with a small air gap between them. An important role of the air gap is to decrease capacitive coupling of display noise to the sensors, and it is very effective since permittivity of air is more than 4χ lower than that of glass.

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2012 IEEE International Solid-State Circuits Conference

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