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    • 7. 发明授权
    • LCD device having driving circuits with multilayer external terminals
    • 具有具有多层外部端子的驱动电路的LCD装置
    • US5748179A
    • 1998-05-05
    • US645484
    • 1996-05-13
    • Hikaru ItoMasataka NatoriMasahiko SuzukiKimitoshi OhgiichiKuniyuki MatsunagaJunichi OhwadaMasumi SasugaShiro Ueda
    • Hikaru ItoMasataka NatoriMasahiko SuzukiKimitoshi OhgiichiKuniyuki MatsunagaJunichi OhwadaMasumi SasugaShiro Ueda
    • G02F1/13G02F1/1345G02F1/1362
    • G02F1/13458G02F1/1345G02F1/13452
    • A liquid crystal display device is provided which reduces the resistance of input wires disposed between a flexible board and driving ICs mounted in a flip-chip style, and enhances resistance against electrocorrosion of input terminals thereof. The liquid crystal display device includes two transparent insulating substrates (SUB1, SUB2) confronting each other through a liquid crystal layer, plural liquid crystal driving circuits (ICs) mounted in a flip-chip style on a surface of one of the substrates located at the side of the liquid crystal layer, a flexible board (FPC) for inputting a signal to each of the liquid crystal driving circuits, and plural input wires (Td) provided on the surface of the one substrate at the side of the liquid crystal layer to connect output terminals of the flexible board to input terminals of the liquid crystal driving circuits. Each input wire includes a first metal layer (g1) in the vicinity of the surface of the substrate, a transparent conductive layer (d1) laminated on the first metal layer, connected to the input terminals of the flexible board, with open portions in the neighborhood of the input terminals of the liquid crystal driving circuits and in the neighborhood of the output terminals of the flexible board, a second metal layer (d2) laminated on the transparent conductive film and connected to the first metal layer at the open portions, and a protection film (PSV1) covering at least the second metal layer.
    • 提供了一种液晶显示装置,其降低了布置在柔性板和以倒装芯片形式安装的驱动IC之间的输入线的电阻,并且增强了其输入端的电腐蚀性。 液晶显示装置包括通过液晶层彼此面对的两个透明绝缘基板(SUB1,SUB2),在位于所述液晶层的一个基板的表面上以倒装芯片式安装的多个液晶驱动电路 液晶层的输入信号的柔性基板(FPC)和设置在液晶层一侧的一个基板的表面上的多个输入布线(Td),以及 将柔性板的输出端连接到液晶驱动电路的输入端。 每个输入线包括在基板表面附近的第一金属层(g1),层叠在第一金属层上的透明导电层(d1),连接到柔性板的输入端,其中开口部分 在液晶驱动电路的输入端子附近和柔性板的输出端附近,叠置在透明导电膜上并与开口部分的第一金属层连接的第二金属层(d2),以及 至少覆盖第二金属层的保护膜(PSV1)。