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    • 27. 发明申请
    • Large Area LIquid Crystal Display Device
    • 大面积液晶显示装置
    • US20080165097A1
    • 2008-07-10
    • US11667481
    • 2005-11-07
    • David CoatesAmir Ben ShalomShlomir Engle Dvir
    • David CoatesAmir Ben ShalomShlomir Engle Dvir
    • G09G3/36
    • G09G3/3648G02F2001/134318G09G2300/023G09G2300/0426G09G2300/0439G09G2310/02
    • A liquid crystal display device includes at least one cell which provides a rectangular array of addressable pixels having an average area of at least 4 mm2. The cell comprises: two substrates (11, 12) defining therebetween a cavity; a layer of liquid crystal material in the cavity; and a respective conductive layer (13, 14) formed on each of the substrates (11, 12). The conductive layers (13, 14) are patterned to provide a rectangular array of separate drive electrodes (51) each capable of driving an area of the layer of liquid crystal material adjacent the respective drive electrode as one of said pixels. The conductive layers (13, 14) also provide a separate track (33) connected to each of the separate drive electrodes (51) and extending to a position outside the array of addressable pixels where the tracks (33) form terminals (34) each capable of receiving a respective drive signal. This allows direct addressing of the pixels. The relatively large size of the pixels allows such direct drive without an unacceptable reduction in the contrast ratio. In addition, the conductive layers may be patterned in a variety of ways to further improve the contrast ratio, e.g. the second conductive layer (14) is patterned to provide a common electrode (72) and a plurality of separate counter electrodes (76). Each respective counter electrode (76) extends over an area opposite one of the gaps (35) between the lines of the electrodes (51).
    • 液晶显示装置包括至少一个单元,其提供具有至少4mm 2的平均面积的可寻址像素的矩形阵列。 电池包括:在其间限定空腔的两个基板(11,12) 空腔中的一层液晶材料; 以及形成在每个基板(11,12)上的相应的导电层(13,14)。 对导电层(13,14)进行构图以提供单独的驱动电极(51)的矩形阵列,每个驱动电极能够驱动邻近各个驱动电极的液晶材料层的区域作为所述像素之一。 导电层(13,14)还提供连接到每个分离的驱动电极(51)并且延伸到可寻址像素阵列之外的位置的单独轨道(33),其中轨道(33)各自形成终端(34) 能够接收相应的驱动信号。 这允许直接寻址像素。 相对较大尺寸的像素允许这种直接驱动,而不会使对比度降低。 此外,导电层可以以各种方式图案化以进一步提高对比度,例如, 图案化第二导电层(14)以提供公共电极(72)和多个单独的对置电极(76)。 每个相应的电极(76)在与电极(51)的线之间的间隙(35)相对的区域上延伸。