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    • 48. 发明授权
    • Varistor driven liquid crystal display
    • VARISTOR驱动液晶显示器
    • US5124822A
    • 1992-06-23
    • US520685
    • 1990-05-08
    • Paul BeckerPhilip J. JonesA. Brian MacknickLawrence J. WhiteMark ThompsonJustin N. Chiang
    • Paul BeckerPhilip J. JonesA. Brian MacknickLawrence J. WhiteMark ThompsonJustin N. Chiang
    • G02F1/136G02F1/1365H01C7/112
    • H01C7/112G02F1/1365
    • A liquid crystal display comprises (a) a first transparent base; (b) a plurality of first picture electrodes on the first transparent base; (c) a plurality of data lines for supplying electrical signals to the first picture electrodes; (d) a second transparent base, parallel to and spaced apart from the first transparent base; (e) a plurality of second picture electrodes on the second transparent base; (f) a plurality of varistor elements made of a varistor material comprising zinc oxide as a primary metal oxide and cobalt and praseodymium oxides as additive metal oxides, in amounts of between 0.1 and 8.0 atom % cobalt and between 0.08 and 8.0 atom % praseodymium, one varistor element being associated with and in electrical contact each second picture electrode; (g) a plurality of scan lines for supplying electrical signals to the second picture electrodes via the respective associated varistor elements; and (h) electrooptically active liquid crystal material between the first and second picture electrodes. In a preferred embodiment, the plurality of varistor elements is in the form of a varistor array comprising an integral body of varistor material having two major opposing faces, one of the opposing faces having an array of indentations thereon, each indentation defining a varistor element.
    • 液晶显示器包括:(a)第一透明基底; (b)第一透明基底上的多个第一图象电极; (c)用于向第一图像电极提供电信号的多条数据线; (d)与第一透明基底平行并间隔开的第二透明基底; (e)第二透明基底上的多个第二图象电极; (f)由包含作为主要金属氧化物的氧化锌和作为添加金属氧化物的钴和镨氧化物的变阻器材料制成的多个可变电阻元件,其量为0.1至8.0原子%的钴和0.08至8.0原子%的镨, 一个压敏电阻元件与每个第二图像电极相关联并且与其接触; (g)多个扫描线,用于经由相应的相关联的变阻器元件向第二图像电极提供电信号; 和(h)第一和第二图像电极之间的电光活性液晶材料。 在优选实施例中,多个压敏电阻元件是变阻器阵列的形式,包括具有两个主要相对面的非线性电阻材料的整体,其中一个相对面具有凹槽阵列,每个压痕限定一个变阻器元件。