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    • 3. 发明授权
    • Retardation film, polarizing plate, and liquid crystal display device
    • 延迟膜,偏光板和液晶显示装置
    • US07479312B2
    • 2009-01-20
    • US11477180
    • 2006-06-28
    • Minori TamagawaIsamu MichihataNoriyasu Kuzuhara
    • Minori TamagawaIsamu MichihataNoriyasu Kuzuhara
    • G02F1/13363
    • G02B5/3083C08J5/18C08J2301/00Y10T428/1041Y10T428/105Y10T428/1077
    • A retardation film which contains a cellulose derivative and a plasticizer wherein the thickness of the film is 10 to 50 μm, Ro in Equation (i) is in the range of 30 to 100 nm, Rt in Equation (ii) is in the range of 100 to 300 nm, and S in Equation (iii) is 0.0002 or more but not exceeding 0.030. Ro=(nx−ny)×d  Equation (i) Rt=S×d  Equation (ii) S=((nx+ny)/2−nz)  Equation (iii) (where “nx” is a maximum refraction index of the film surface, “ny” is a refraction index in the direction perpendicular to “nx,” “nz” is a refraction index along the thickness of the film, and “d” is the thickness of the film.)
    • 包含纤维素衍生物和增塑剂的延迟膜,其中膜的厚度为10〜50μm,式(i)中的Ro为30〜100nm的范围,式(ii)中的Rt为 100〜300nm,式(iii)中的S为0.0002以上且不超过0.030。 <?in-line-formula description =“在线公式”end =“lead”?> Ro =(nx-ny)xd等式(i)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> Rt = Sxd等式(ii)<?in-line-formula description =“In-line Formulas” end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> S =((nx + ny)/ 2-nz) line-formula description =“In-line Formulas”end =“tail”?>(其中“nx”是胶片表面的最大折射率,“ny”是垂直于“nx”的方向的折射率,“ nz“是沿着膜的厚度的折射率,”d“是膜的厚度。)
    • 6. 发明申请
    • Retardation film, polarizing plate, and liquid crystal display device
    • 延迟膜,偏光板和液晶显示装置
    • US20070009676A1
    • 2007-01-11
    • US11477180
    • 2006-06-28
    • Minori TamagawaIsamu MichihataNoriyasu Kuzuhara
    • Minori TamagawaIsamu MichihataNoriyasu Kuzuhara
    • C09K19/00
    • G02B5/3083C08J5/18C08J2301/00Y10T428/1041Y10T428/105Y10T428/1077
    • A retardation film which contains a cellulose derivative and a plasticizer wherein the thickness of the film is 10 to 50 μm, Ro in Equation (i) is in the range of 30 to 100 nm, Rt in Equation (ii) is in the range of 100 to 300 nm, and S in Equation (iii) is 0.0002 or more but not exceeding 0.030. Ro=(nx−ny)×d   Equation (i) Rt=S×d   Equation (ii) S=((nx+ny)/2−nz)   Equation (iii) (where “nx” is a maximum refraction index of the film surface, “ny” is a refraction index in the direction perpendicular to “nx,” “nz” is a refraction index along the thickness of the film, and “d” is the thickness of the film.)
    • 包含纤维素衍生物和增塑剂的延迟膜,其中膜的厚度为10〜50μm,式(i)中的Ro为30〜100nm的范围,式(ii)中的Rt为 100〜300nm,式(iii)中的S为0.0002以上且不超过0.030。 <?in-line-formula description =“在线公式”end =“lead”?> Ro =(nx-ny)xd等式(i)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> Rt = Sxd等式(ii)<?in-line-formula description =“In-line Formulas” end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> S =((nx + ny)/ 2-nz) line-formula description =“In-line Formulas”end =“tail”?>(其中“nx”是胶片表面的最大折射率,“ny”是垂直于“nx”的方向的折射率,“ nz“是沿着膜的厚度的折射率,”d“是膜的厚度。)