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    • 8. 发明申请
    • METHOD FOR MANUFACTURING AN OPTICAL FILTER FOR A STEREOSCOPIC IMAGE DISPLAY DEVICE
    • 用于制造立体图像显示装置的光学滤波器的方法
    • WO2010090429A3
    • 2010-10-28
    • PCT/KR2010000637
    • 2010-02-02
    • LG CHEMICAL LTDKIM SIN-YOUNGPARK MOON-SOOJEON BYOUNG-KUNHAN SANG-CHOLLSHIN BU-GONYOON HYUK
    • KIM SIN-YOUNGPARK MOON-SOOJEON BYOUNG-KUNHAN SANG-CHOLLSHIN BU-GONYOON HYUK
    • G02B27/22G02B5/30G02F1/1337
    • G02F1/133788G02B5/3083G02B27/2214G02B27/26G02F1/1303G02F2001/133538
    • The present invention relates to a method for manufacturing an optical filter for a stereoscopic image display device, which involves forming an alignment film having different alignment directions in micro areas through a single continuous photo alignment process. The method comprises the steps of: forming a polymer film on a substrate; placing, on the polymer film, a pattern mask in which a light-transmitting area and a light-shielding area are staggered and alternately formed in the vertical and horizontal directions to enable different types of polarized light to selectively pass, placing, on the pattern mask, a polarizing plate having two areas for enabling two different types of polarized light to pass therethrough, and irradiating ultraviolet rays onto the polymer film from above the polarizing plate to form alignment film having different alignment directions in micro areas of the polymer film; and forming a phase delay layer on the alignment film. The method according to the present invention provides different orientations in micro areas of the polymer film using one pattern mask sheet and through a single continuous light irradiation process, thereby simplifying the process of forming the alignment film having different light alignment directions in micro areas of the polymer film. Thus, the yield rate and productivity in manufacturing the optical filter for the stereoscopic image display device can be improved.
    • 本发明涉及一种用于立体图像显示装置的滤光器的制造方法,其包括通过单次连续的光取向工艺在微区域中形成具有不同取向方向的取向膜。 该方法包括以下步骤:在基底上形成聚合物膜; 在聚合物膜上放置图案掩模,其中透光区域和遮光区域在垂直和水平方向上交错地交替形成,以使不同类型的偏振光能够选择性地通过,放置在图案上 掩模,具有用于使两种不同类型的偏振光通过的两个区域的偏振片,以及从偏振片上方向紫外线照射到聚合物膜上,以在聚合物膜的微小区域中形成具有不同取向方向的取向膜; 并在取向膜上形成相位延迟层。 根据本发明的方法使用一个图案掩模片和通过单个连续光照射工艺在聚合物膜的微小区域中提供不同的取向,从而简化了在具有不同的光取向方向上形成具有不同的光取向方向的取向膜的工艺 聚合物膜。 因此,可以提高立体图像显示装置的光学滤波器的制造的成品率和生产率。