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    • 1. 发明授权
    • Segmented type liquid crystal display and driving method thereof
    • 分段型液晶显示器及其驱动方法
    • US4486748A
    • 1984-12-04
    • US419015
    • 1982-09-16
    • Keisaku NonomuraMasataka MatsuuraHisashi UedeKohhei KishiHiroaki Kato
    • Keisaku NonomuraMasataka MatsuuraHisashi UedeKohhei KishiHiroaki Kato
    • G02F1/1345G09G3/18G09G3/04
    • G02F1/1345G09G3/18
    • A system for driving a segmented type liquid crystal display comprising a thin film transistor (TFT) array including a plurality of TFTs each having a gate line, a source line, and a drain line, a pair of substrates with one carrying the thin film transistor array coupled to a plurality of segmented display electrodes and the other carrying a common electrode opposite to the segmented display electrodes, a liquid crystal material interposed between the pair of substrates. The system is characterized by a source line and drain line driving circuit for driving the source line and the drain line with a first voltage waveform and a second voltage waveform in such a manner that the ratio of the first voltage amplitude to the second voltage is so selected that both charging and discharging voltages in the forward and backward directions are zero when the TFTs are off.In another aspect of the segmented type display of the present invention, there is additionally provided a separating element for separating the thin film transistor array from the liquid crystal material. In a further aspect, the plurality of pairs of the segmented display electrodes and the common electrodes are allotted equally to each of the pair of substrates.
    • 一种用于驱动分段型液晶显示器的系统,包括具有栅极线,源极线和漏极线的多个TFT的薄膜晶体管(TFT)阵列,一对具有薄膜晶体管的基板 阵列耦合到多个分段的显示电极,另一个承载与分段的显示电极相对的公共电极,插入在该对基板之间的液晶材料。 该系统的特征在于用于以第一电压幅度与第二电压的比率为第一电压波形和第二电压波形来驱动源极线和漏极线的源极线和漏极线驱动电路 选择当TFT关闭时,正向和反向的充电和放电电压均为零。 在本发明的分段式显示器的另一方面,还提供了一种用于将薄膜晶体管阵列与液晶材料分离的分离元件。 在另一方面,多对分段显示电极和公共电极被均等地分配给一对基板中的每一个。
    • 2. 发明授权
    • Segmented type liquid crystal display and driving method thereof
    • 分段型液晶显示器及其驱动方法
    • US4385292A
    • 1983-05-24
    • US172175
    • 1980-07-25
    • Keisaku NonomuraMasataka MatsuuraHisashi UedeKohhei KishiHiroaki Kato
    • Keisaku NonomuraMasataka MatsuuraHisashi UedeKohhei KishiHiroaki Kato
    • G02F1/1345G09G3/18G09G3/36
    • G02F1/1345G09G3/18
    • A system is disclosed for driving a segmented type liquid crystal display comprising a thin film transistor (TFT) array including a plurality of TFTs each having a gate line, a source line, and a drain line, a pair of substrates with one carrying the thin film transistor array coupled to a plurality of segmented display electrodes and the other carrying a common electrode opposite to the segmented display electrodes, a liquid crystal material interposed between the pair of substrates. The system is characterized by a source line and drain line driving circuit for driving the source line and the drain line with a first voltage waveform and a second voltage waveform in such a manner that the ratio of the first voltage amplitude to the second voltage is so selected that both charging and discharging voltages in the forward and backward directions are zero when the TFTs are off.In another aspect of the segmented type display of the present invention, there is additionally provided a separating element for separating the thin film transistor array from the liquid crystal material. In a further aspect, the plurality of pairs of the segmented display electrodes and the common electrodes are allotted equally to each of the pair of substrates.
    • 公开了一种用于驱动分段型液晶显示器的系统,其包括薄膜晶体管(TFT)阵列,该薄膜晶体管(TFT)阵列包括具有栅极线,源极线和漏极线的多个TFT,一对具有薄的晶体管 膜晶体管阵列耦合到多个分段显示电极,另一个承载与分段显示电极相对的公共电极,插入在该对基板之间的液晶材料。 该系统的特征在于用于以第一电压幅度与第二电压的比率为第一电压波形和第二电压波形来驱动源极线和漏极线的源极线和漏极线驱动电路 选择当TFT关闭时,正向和反向的充电和放电电压均为零。 在本发明的分段式显示器的另一方面,还提供了一种用于将薄膜晶体管阵列与液晶材料分离的分离元件。 在另一方面,多对分段显示电极和公共电极被均等地分配给一对基板中的每一个。
    • 5. 发明授权
    • Structure of thin film transistors
    • 薄膜晶体管的结构
    • US4404578A
    • 1983-09-13
    • US173818
    • 1980-07-30
    • Yutaka TakafujiKeisaku NonomuraSadatoshi TakechiHisashi UedeTomio Wada
    • Yutaka TakafujiKeisaku NonomuraSadatoshi TakechiHisashi UedeTomio Wada
    • G02F1/1368H01L29/10H01L29/786H01L29/78H01L27/02
    • H01L29/78696G02F1/1368H01L29/1033H01L29/78681
    • A thin film transistor comprises a substrate, a gate electrode, a drain electrode, a source electrode, an insulative layer, and a semiconductor layer for the purpose of switching display signals to be applied to at least one display element of a display device. Preferably, the thin film transistor is mounted on the same substrate on which the display element is mounted. The selected material for the display element electrode is identical to at least one selected from the gate electrode, the source electrode, and the drain electrode. In another aspect of the present invention neither the gate electrode nor the insulating layer overlap either of the drain electrode or the source electrode. A resistance value of the semiconductor layer between the source and the drain electrodes is considerably less than the resistance value of the semiconductor channel layer controlled by the gate electrode. For this purpose, at least one of the width, thickness, and impurity concentration is varied therebetween. In a further aspect, the semiconductor channel has a substantial length more than the distance between the source electrode and the drain electrode with the help of a labyrinth passage.
    • 薄膜晶体管包括基板,栅电极,漏电极,源极,绝缘层和半导体层,用于切换要施加到显示装置的至少一个显示元件的显示信号。 优选地,薄膜晶体管安装在安装有显示元件的相同基板上。 所选择的用于显示元件电极的材料与从栅电极,源电极和漏极电极中选择的至少一种相同。 在本发明的另一方面,栅电极和绝缘层都不与漏电极或源电极重叠。 源电极和漏电极之间的半导体层的电阻值比由栅电极控制的半导体沟道层的电阻值要小得多。 为此,宽度,厚度和杂质浓度中的至少一个在它们之间变化。 在另一方面,借助于迷宫通道,半导体沟道的长度大于源电极和漏电极之间的距离。