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Changsung Sheet puts superior technology and quality first

POLED Protection Film

  • Protection Film: Reinforcing Durability of Back Plate Process Products

    Product Features
    √. Reinforcing process durability of back plate OLED
    √. Superior stability in sizes of products and processability


    • Item Unit Value Test Method
      Total Thickness ㎛ 113 ASTM D3652
      Base Film Thickness 50
      Adhesive Thickness 13
      Release Film Thickness 50
      Adhesion Strength gf/25mm 4 ± 1 Changsung Test Method
      [Leaving products for 300mm/min, 180° peel at a room temperature condition (23 ℃ / 30 min)]
      Release Film Strength 1 ± 0.5
      Surface resistance(Base Film) Ω/□ ≤ 10^11 ASTM D-257
      Surface resistance(Release Film) *
      Haze % ≤ 4 JIS K 7136
      Transmittance ≥ 90

  • Protection Film for OLED
    Maintaining flatness among processes and securing product durability of OLED TFT Back Plate

    Product Features<br> √. Reinforcing process durability of flexible OLED
    √. Protecting function and flatness function of flexible OLED
    √. Thinning function of OLED products


    • Item Unit Value Test Method
      Total Thickness ㎛ 175 ASTM D3652
      Base Film Thickness 100
      Adhesive Thickness 25
      Release Film Thickness 50
      Adhesion Strength gf/25mm 300 ± 150 Changsung Test Method
      [Leaving products for 300mm/min, 180° peel at a room temperature condition (23 ℃ / 30 min)]
      Release Film Strength 2.0 ± 1.0
      Surface resistance(Base Film) Ω/□ ≤ 10^11 ASTM D-257
      Surface resistance(Release Film) ≤ 10^12
      Haze % ≤ 2 JIS K 7136
      Transmittance ≥ 91