柔性AMOLED显示触摸屏技术现状及发展趋势  

Current situation and development of touch sensor technology used in flexible AMOLED display

作　　者：史世明[1] 李园园 郑美珠 薄赜文 张嵩[1] 王大巍[1] SHI Shi-ming;LI Yuan-yuan;ZHENG Mei-zhu;BO Ze-wen;ZHANG Song;WANG Da-wei(BOE Technology Group Co.,Ltd.,Beijing 100176,China)

机构地区：[1]京东方科技集团股份有限公司,北京100176

出　　处：《液晶与显示》2022年第4期459-466,共8页Chinese Journal of Liquid Crystals and Displays

摘　　要：柔性AMOLED显示屏具有厚度薄、可折叠、可卷曲等形态多样的优点,相较于刚性显示产品可给消费者提供更好的使用体验,从而受到越来越多高端便携消费类电子产品的青睐。柔性触摸屏作为柔性显示模组的一部分,其形态多样和触控功能提升也同样得到广泛研究。本文针对可适用于柔性AMOLED显示屏的投射式电容触摸屏技术做了详细介绍,分别列举了几种外挂式柔性电容屏技术(ITO触摸屏、金属网格触摸屏、透明纳米银触摸屏)和集成式电容屏技术的发展现状。其中与柔性AMOLED显示屏集成的一体化触控技术的开发,使得触摸屏具有更优秀的折叠性能,加速了折叠显示屏的商品化进展。本文详细介绍了集成式触控方案的优势及目前面临的挑战。探讨了不同尺寸柔性AMOLED显示屏适用的触控方案发展趋势。The flexible AMOLED display has lots of advantages,such as thin structure and flexibility.It can provides better user experience than rigid displays,and attracts more attention from end users.As a key component of flexible display module,flexible touch sensor has also been widely studied on its various forms and touch functions.The capacitive touch sensor technology which is suitable for flexible AMOLED display was introduced.The development status of flexible touch sensor was listed,the flexible touch sensors include Out-cell Touch Sensors(ITO touch sensor,metal mesh touch sensor,SNW touch sensor)and On-cell Touch Sensor which is integrated with flexible AMOLED display.The development of Oncell Touch Sensor accelerates the commercialization of foldable displays,because it has better performance in flexibility.The advantages and challenges of On-cell Touch Sensor were introduced,and the development of touch solution for different size of flexible AMOLED displays was discussed.

关 键 词：柔性AMOLED显示 电容触摸屏 外挂式触摸屏 集成式触摸屏 

分 类 号：TN383.1[电子电信—物理电子学]