Optoelectronic Technology, Volume. 43, Issue 4, 323(2023)

Research Progress on the Application of Capacitive Touch Screen in Airborne Ruggedized Display

Xiaogang HUANG1, Jianqing HU2,3, Guobing ZHENG2,3, Zhaobang FU2,3, and Yijie ZOU2,3
Author Affiliations
  • 1Haizhuang Shanghai Bureau in Fuzhou Military Representative Office, Fuzhou 35000, CHN
  • 2The 55th Research Institute of China Electronic Technology Group Corporation, Nanjing 10016, CHN
  • 3National Flat Panel Display Engineering Technology Research Center, Nanjing 210016, CHN
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    Figures & Tables(8)
    Schematic of the working principle of the capacitive touch screen
    The coupling capacitance CM between the lateral electrodes and the longitudinal electrodes
    Screen stacking method of G+G capacitive touch screen
    Screen stacking method of G+F capacitive touch screen
    Screen stacking method of three capacitive touch screens
    • Table 1. Classification of mutual capacitive projected capacitive touch screen

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      Table 1. Classification of mutual capacitive projected capacitive touch screen

      屏体堆叠方式传感层材料传感层位置
      G+G(Cover Glass⁃Glass Sensor)[7]玻璃+ITO镀层盖板玻璃下层
      G+F(Cover Glass⁃Film Sensor)[8]PET基材+ITO网格/金属网栅盖板玻璃下层
      OGS(One Glass Solution)[910]玻璃+ITO镀层盖板玻璃下表面
      On‑cell[11]ITO镀层液晶屏的彩色滤光片基板(CF玻璃)和偏光片之间
      In‑cell[12]ITO镀层嵌入液晶屏像素中
    • Table 2. Application comparison of G+G and G+F touch screens

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      Table 2. Application comparison of G+G and G+F touch screens

      堆叠方式屏蔽方案应用场景
      G+GITO镀层反射率敏感
      G+G金属网栅膜屏蔽效果敏感
      G+F金属网栅膜重量敏感
    • Table 3. Performance comparison of three capacitive touch screens

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      Table 3. Performance comparison of three capacitive touch screens

      指标OGSOn‑cellIn‑cell
      集成度较高更高
      透光率较高更高
      重量和厚度轻薄轻薄轻薄
      反射率和眩光很高
      技术和工艺实现难度较高
      成本较高
      良品率较低
      现存问题加工过程削弱盖板玻璃强度触控时存在颜色不均问题存在触控灵敏度较差问题
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    Xiaogang HUANG, Jianqing HU, Guobing ZHENG, Zhaobang FU, Yijie ZOU. Research Progress on the Application of Capacitive Touch Screen in Airborne Ruggedized Display[J]. Optoelectronic Technology, 2023, 43(4): 323

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    Paper Information

    Category:

    Received: Aug. 3, 2023

    Accepted: --

    Published Online: Mar. 21, 2024

    The Author Email:

    DOI:10.19453/j.cnki.1005-488x.2023.04.008

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