Optoelectronic Technology, Volume. 41, Issue 3, 228(2021)

Research on Display Viewing Angle Narrowing Based on Polarizer

Zhongjie LI1,2 and Shengdong ZHANG1
Author Affiliations
  • 1College of Electronic and Computer Engineering, Shenzhen Graduate School of Peking University, Shenzhen Guangdong, 5807, CHN
  • 2Shenzhen SAPO Photoelectric Co., LTD., Shenzhen Guangdong, 518071, CHN
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    Figures & Tables(9)
    Product structure comparison of narrow angle polarizers
    Structure and principle of narrow angle of view filmure
    Process of polarizing plate
    Effects of narrow-viewing angle display products
    Brightness and contrast comparison of narrow viewing angle display
    • Table 1. Structure and function of traditional and new polarizers

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      Table 1. Structure and function of traditional and new polarizers

      层别传统结构新型结构厚度/μm材料功能
      1保护层1保护层1188PC/PET支撑保护防窥层,AG涂层
      2防窥层防窥层187百叶窗涂层控制视角
      3保护层2保护层2125PC/PET支撑保护防窥层
      4压敏胶~25丙烯酸粘结防窥膜和偏振片
      离型膜~38PET保护压敏胶,需撕除
      保护膜~56PET/PSA保护偏振片,需撕除
      5保护层3~40TAC/PET支撑保护偏振片,AG涂层
      6偏光层偏光层20PVA偏光机制
      7保护层4保护层440TAC/COP支撑保护偏振片
      8感压层感压层25PSA粘结LCD面板
      9离型膜离型膜38PET保护粘着剂
    • Table 2. Anti⁃peeping film specifications

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      Table 2. Anti⁃peeping film specifications

      参数项数据、材质备注
      总厚度/μm570±50签样为准
      可视角度/(°)60实际检验以封样为准
      透光度/(%)>60样品实测值
      反射率/(%)3.5~7.25.4
      表面硬度/H33
      颜色黑色
      工作温度/(℃)-35~65
      结构层厚度/μm150±5150
      表面雾度/(%)27.5±5.527.5
      结构间距/μm60±261
    • Table 3. Optical test comparison of polarizers

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      Table 3. Optical test comparison of polarizers

      偏振片类型参数
      透过率/(%)偏振度/(%)亮度/(cd·m-2
      非防窥偏振片(AG)40.904 06399.992 55264.065 19
      传统防窥结构27.541 84599.995 60352.535 77
      新型防窥结构27.600 06699.998 38363.956 28
    • Table 4. Color analysis of anti⁃peeking and non⁃peeking films

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      Table 4. Color analysis of anti⁃peeking and non⁃peeking films

      显示

      模式

      绿

      NTSC

      Ratio

      NTSC

      Ratio

      参数xyu'v'Lxyu'v'Lxyu'v'Lxyu'v'LL1976 NTSC (%)1931 NTSC (%)
      防窥0.300.320.190.462930.640.340.450.53610.290.650.110.572030.150.050.190.13190.1896.8380.93
      非防窥0.300.310.190.464320.640.340.450.53890.280.650.110.572990.150.050.190.13290.2697.9581.65
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    Zhongjie LI, Shengdong ZHANG. Research on Display Viewing Angle Narrowing Based on Polarizer[J]. Optoelectronic Technology, 2021, 41(3): 228

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    Paper Information

    Category: Research and Trial-manufacture

    Received: Mar. 2, 2021

    Accepted: --

    Published Online: Oct. 26, 2021

    The Author Email:

    DOI:10.19453/j.cnki.1005-488x.2021.03.013

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