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    • 4. 发明申请
    • POLARISING PLATE AND A LIQUID-CRYSTAL DISPLAY DEVICE COMPRISING THE SAME
    • 偏振板和包含该液晶显示装置的液晶显示装置
    • WO2011129531A3
    • 2012-01-19
    • PCT/KR2011001884
    • 2011-03-18
    • DONGWOO FINE CHEM CO LTDYOO JEONG HOSONG IN KYUYOO MIN KEUN
    • YOO JEONG HOSONG IN KYUYOO MIN KEUN
    • G02B5/30G02F1/1335
    • G02B5/3033
    • The present invention relates to a polarising plate and to a liquid-crystal display device comprising the same. More specifically, the present invention relates to a polarising plate which comprises, with respect to 100 parts by weight of a water-soluble polyamide epoxy resin, between 1 and 100 parts by weight (based on solids content) of an acetoacetyl-modified poly(vinyl alcohol) resin, and also comprises an adhesive layer of an adhesive composition having a pH of at least 5, thereby increasing the force of bonding between the functional group of the adhesive composition in the adhesive layer and a protective film (acrylic or propylene based) and a polarizer functional group and hence making it possible to improve durability and reliability by maintaining an adhesive force between the polarizer and the protective film even under high temperature and highly humid conditions. The present invention also relates to a liquid-crystal display device comprising the polarising plate.
    • 本发明涉及一种偏振片及其制造方法。 更具体地说,本发明涉及一种偏振片,其特征在于,相对于100重量份的水溶性聚酰胺环氧树脂,包含1至100重量份(基于固体含量)乙酰乙酰基改性的聚( 乙烯醇)树脂,并且还包含具有至少5的pH的粘合剂组合物的粘合剂层,从而增加粘合剂层中的粘合剂组合物的官能团与保护膜(丙烯酸或丙烯基)之间的粘结力 )和偏光板官能团,因此即使在高温高湿条件下也能够通过保持偏振片与保护膜之间的粘合力而提高耐久性和可靠性。 本发明还涉及包括偏振片的液晶显示装置。