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    • 26. 发明申请
    • ADHESIVE COMPOSITION FOR OPTICAL FILTER, OPTICAL FILTER AND DISPLAY DEVICE
    • 光学过滤器,光学过滤器和显示器件的胶粘组合物
    • US20090279168A1
    • 2009-11-12
    • US12441760
    • 2007-09-28
    • Yuka HiwatashiToshio YoshiharaYudai YamashitaHiroyuki Ohtaki
    • Yuka HiwatashiToshio YoshiharaYudai YamashitaHiroyuki Ohtaki
    • G02B5/20C08L53/00C08K5/3417C08K5/16
    • C09J11/06C08K5/0041C08L2666/02C09J153/00G02F2202/28
    • The object of the invention is to provide an adhesive composition attaining, in a single layer, both adhesiveness capable of direct attachment to a glass plate disposed on the front face of a display device and desired optical filter functions and hardly undergoing the change in spectral characteristics attributable to deterioration in a light absorbing agent, even during long-time use, particularly at high temperature under high humidity, as well as an optical filter using this adhesive composition. The object is solved by an optical filter comprising an adhesive layer having optical filter functions, comprising a block copolymer (I) having at least a specific triblock structure in its molecule and having a weight average molecular weight of 50,000 or more and a molecular weight distribution (Mw/Mn) of less than 1.5, a resin (IV) having the glass transition temperature of 60° C. or more and one or more light absorbing agents (III) each having light absorption in a predetermined wavelength region.
    • 本发明的目的是提供一种粘合剂组合物,其在单层中获得能够直接附着到布置在显示装置的前表面上的玻璃板的粘合性和期望的滤光器功能,并且几乎不经历光谱特性的变化 归因于光吸收剂的劣化,即使在长时间使用中,特别是在高湿度的高温下,以及使用该粘合剂组合物的滤光器也是如此。 该目的通过一种包括具有滤光器功能的粘合剂层的光学滤光器来解决,该粘合剂层包括在其分子中至少具有特定三嵌段结构并具有50,000或更大的重均分子量和分子量分布的嵌段共聚物(I) (Mw / Mn)小于1.5,玻璃化转变温度为60℃以上的树脂(IV)和在预定波长区域各自具有吸光性的一种或多种光吸收剂(III)。