Chinese Journal of Liquid Crystals and Displays, Volume. 39, Issue 9, 1205(2024)

Optimization of flexible-screen COF bending structures by orthogonal design of experiment

Hongbing ZHENG1, Qi XU2、*, Zhao LIANG1, and Dengming LIU1
Author Affiliations
  • 1Mianyang BOE Optoelectronics Technology Co. Ltd.,Mianyang 621000,China
  • 2School of Mechanics and Aerospace Engineering,Southwest Jiaotong University,Chengdu 610031,China
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    Figures & Tables(15)
    Geometric model diagram of bending related structure
    Bending process
    Bending path diagram
    Simulation results of bending status of 9 groups orthogonal test
    Simulation results of reliability status of 9 groups orthogonal test
    Bending test process
    Yield profile after bending and reliability
    Status of good and defective products
    Linearity of the screen
    Impact trend of each test factor on test metrics
    Results of the optimal solution test
    • Table 1. Orthogonal test factor levels

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      Table 1. Orthogonal test factor levels

      水平因素

      泡棉厚度

      A/μm

      泡棉贴附偏移B/μm

      MCL厚度

      C/μm

      U型膜贴附偏移D/μm
      1初始值-100500
      2+50-200100+100
      3-50-300150-100
    • Table 2. L9(34)orthogonal design layout

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      Table 2. L9(34)orthogonal design layout

      试验号因素 1因素 2因素 3因素 4
      1水平1水平1水平1水平1
      2水平1水平2水平2水平2
      3水平1水平3水平3水平3
      4水平2水平1水平2水平3
      5水平2水平2水平3水平1
      6水平2水平3水平1水平2
      7水平3水平1水平3水平2
      8水平3水平2水平1水平3
      9水平3水平3水平2水平1
    • Table 3. Simulated calculation results of orthogonal test

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      Table 3. Simulated calculation results of orthogonal test

      试验号试验指标
      Z1/MPaZ2/MPa
      1102547
      2297554
      33771 002
      48861 262
      5176643
      6362646
      7215543
      8537866
      990543
    • Table 4. Means and extremes of simulation results for test metrics

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      Table 4. Means and extremes of simulation results for test metrics

      试验因子Z1均值/MPaZ1极差/MPaZ2均值/MPaZ2极差/MPa
      泡棉厚度258217701199
      475850
      281651
      泡棉贴附偏移39912378496
      337688
      276730
      MCL厚度33216868096
      424776
      256729
      U型膜贴附偏移121479578465
      291581
      6001 043
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    Hongbing ZHENG, Qi XU, Zhao LIANG, Dengming LIU. Optimization of flexible-screen COF bending structures by orthogonal design of experiment[J]. Chinese Journal of Liquid Crystals and Displays, 2024, 39(9): 1205

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    Paper Information

    Category:

    Received: May. 15, 2024

    Accepted: --

    Published Online: Nov. 13, 2024

    The Author Email: Qi XU (xuqi@swjtu.edu.cn)

    DOI:10.37188/CJLCD.2024-0145

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