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    • 4. 发明申请
    • MANUFACTURING METHOD OF LONG-SIZED CIRCULARLY POLARIZING PLATE
    • 长尺寸圆形极化板的制造方法
    • US20140044870A1
    • 2014-02-13
    • US13811845
    • 2012-04-20
    • Yoshiaki AsanoiShoichi MatsudaTadayuki Kameyama
    • Yoshiaki AsanoiShoichi MatsudaTadayuki Kameyama
    • G02B5/30
    • G02B5/3016
    • A long-sized circularly polarizing plate consisting of long-sized retardation film having slow axis in one of in-plane directions and long-sized polarizing film having absorption axis in one direction within range of 25° to 65° with reference to the slow axis is manufactured through steps of: step A for applying rubbing treatment to the retardation film being conveyed, in such a manner that bottom surface of the retardation film is supported with first guide roll and second guide rolled arranged further downstream of the first guide roll along conveying direction of the retardation film while top surface thereof is pushed with rubbing roll between the first guide roll and the second guide roll; and step B for forming the polarizing film by applying liquid crystalline solution containing dichroic material to the top surface of the retardation film subjected to the rubbing treatment at step A and aligning the dichroic material there.
    • 一种长尺寸的圆偏振片,其特征在于,具有在一个面内方向上具有慢轴的长尺寸延迟膜和在相对于慢轴的一个方向上具有吸收轴的吸收轴在25°至65°的范围内 通过以下步骤制造步骤:步骤A,用于对被输送的相位差膜进行摩擦处理,使得相位差膜的底表面被第一引导辊支撑,第二引导件沿着输送方向设置在第一引导辊的更下游 延迟膜的方向,同时其顶表面在第一导辊和第二导辊之间用摩擦辊推动; 以及步骤B,用于通过将含有二色性材料的液晶溶液施加到在步骤A进行摩擦处理的相位差膜的顶表面上并使二色性材料对准来形成偏振膜。