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    • 4. 发明授权
    • Liquid crystal display device with reduced resistance to common voltages, and related methods
    • 具有降低对普通电压的电阻的液晶显示装置及相关方法
    • US06219124B1
    • 2001-04-17
    • US08838727
    • 1997-04-10
    • Jung-hee LeeKweon-sam Hong
    • Jung-hee LeeKweon-sam Hong
    • G02F11343
    • G02F1/1345G02F1/136286G02F2001/13629G02F2201/121
    • A liquid crystal display device that comprises a thin film transistor array panel including a voltage transfer circuit that includes a pad region for receiving a common voltage, a short region for transferring the common voltage, and a center region that connects the pad region to the short region. The center region includes a composite conductive layer comprising a first electrically conductive layer of a first resistance and a second electrically conductive layer of a second resistance, wherein the first resistance is less than the second resistance. The first electrically conductive layer of the composite conductive layer preferably comprises a material of relatively low resistance, such as aluminum or an aluminum alloy. In addition, the first electrically conductive layer may include an anodic oxide layer for inhibiting hillock formations. The liquid crystal display device further includes a color filter panel which includes a common electrode and a conductive member that electrically connects the common electrode to the short region of the thin film transistor array panel. In another embodiment, the first electrically conductive layer extends from the pad region to the short region and is exposed at either region. In yet another embodiment, the first electrically conductive layer extends from the center region to the short region where it is exposed at the short region.
    • 一种液晶显示装置,包括薄膜晶体管阵列面板,该薄膜晶体管阵列面板包括电压传输电路,该电压传输电路包括用于接收公共电压的焊盘区域,用于传送公共电压的短区域,以及将焊盘区域连接到短路的中心区域 地区。 中心区域包括复合导电层,其包括第一电阻的第一导电层和第二电阻的第二导电层,其中第一电阻小于第二电阻。 复合导电层的第一导电层优选包括诸如铝或铝合金的相对低电阻的材料。 此外,第一导电层可以包括用于抑制小丘形成的阳极氧化层。 液晶显示装置还包括滤色器面板,其包括公共电极和将公共电极电连接到薄膜晶体管阵列面板的短区域的导电部件。 在另一个实施例中,第一导电层从焊盘区延伸到短区,并在任一区域露出。 在另一个实施例中,第一导电层从中心区域延伸到短区域,在短区域处,其在短区域处被暴露。