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    • 2. 发明申请
    • TRANSPARENT PROTECTIVE PLATE FOR DISPLAY PANELS AND DISPLAY DEVICE
    • 用于显示面板和显示设备的透明保护板
    • US20120301635A1
    • 2012-11-29
    • US13575410
    • 2011-02-14
    • Hiroaki HasegawaMunetake TajimaHirokazu Hashimoto
    • Hiroaki HasegawaMunetake TajimaHirokazu Hashimoto
    • G02F1/1333B32B27/08B32B7/02
    • C08J7/042C08J2475/16C08J2483/16G02F2201/50Y10T428/1045Y10T428/2495Y10T428/2848Y10T428/31507
    • To provide a highly transparent and highly strong protective plate for display panel which, when mounted on a display panel, does not permit bubbles to evolve in the inner layer or does not permit the layer to peel off even in high temperature and high humidity conditions that could temporarily occur, for example, in an automobile, and a display device equipped with the protective plate.[Means for Solution] A transparent protective plate for display panel having an underlying layer, a gas-barrier layer and, as required, a transparent adhesive layer of an acrylic adhesive successively laminated on a transparent hard resin substrate such as of a polymethyl methacrylate resin or an aromatic polycarbonate resin, wherein the underlying layer comprises a cured body obtained by polymerizing an underlying material solution that contains 90 to 20 parts by mass of an urethane acrylate adhesive resin (A), and 10 to 80 parts by mass of a silicon compound (B) selected from the group consisting of an alkoxysilane compound and a hydrolyzed product thereof, a silane coupling agent and a hydrolyzed product thereof, and a fine particulate silica; and the gas-barrier layer comprises a cured body of a dense silicon oxide obtained by curing a polysilazane compound (C) in the presence of an amine catalyst (D).
    • 为了提供用于显示面板的高度透明和高度强的保护板,当安装在显示面板上时,不允许气泡在内层中放出,或者即使在高温和高湿度条件下也不允许该层剥离, 可能会暂时发生在例如汽车中,以及配备有保护板的显示装置。 [解决方案]一种用于显示面板的透明保护板,具有下层,阻气层和根据需要的丙烯酸粘合剂的透明粘合剂层,其依次层压在诸如聚甲基丙烯酸甲酯树脂的透明硬质树脂基材 或芳香族聚碳酸酯树脂,其中,所述下层包含通过使含有90〜20质量份的氨基甲酸酯丙烯酸酯系粘合剂树脂(A)的下层材料溶液聚合而获得的固化体和10〜80质量份的硅化合物 (B)选自烷氧基硅烷化合物及其水解产物,硅烷偶联剂及其水解产物和细颗粒二氧化硅; 并且阻气层包含通过在胺催化剂(D)的存在下固化聚硅氮烷化合物(C)而获得的致密氧化硅的固化体。