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    • 7. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US06600472B1
    • 2003-07-29
    • US09267790
    • 1999-03-15
    • Yutaka NakaiMasahiko Akiyama
    • Yutaka NakaiMasahiko Akiyama
    • G09G336
    • G09G3/2011G09G3/3648G09G3/367G09G2300/0434G09G2300/0809G09G2300/0828G09G2320/0276G09G2330/021
    • In this invention, as a basic structure, an impedance element is connected in series to a liquid crystal layer (liquid crystal capacitance) of each pixel. The impedance of the impedance element is varied in accordance with a display signal. The resistance values of variable resistance elements are varied in accordance with a display signal being held by a display signal holding means that is provided in each pixel, whereby the impedance of the impedance element varies in accordance with the resistance states of the variable resistance elements. If an AC voltage is applied across the basic structure, an AC voltage produced by voltage division in accordance with the impedance of the impedance element is applied to the liquid crystal layer. Therefore, the AC voltage applied to the liquid crystal layer and hence the gradation level of the liquid crystal layer can be controlled by adjusting the impedance of the impedance element in accordance with a display signal. A display signal is not input to the liquid crystal layer directly and consumed there. Instead, an AC voltage produced by dividing, by the impedance element and the liquid crystal layer, an AC voltage corresponding to a display signal that is temporarily held by the holding means such as a capacitor is applied to the liquid crystal layer. Therefore, the power consumption can be reduced.
    • 在本发明中,作为基本结构,阻抗元件与各像素的液晶层(液晶电容)串联连接。 阻抗元件的阻抗根据显示信号而变化。 可变电阻元件的电阻值根据由设置在每个像素中的显示信号保持装置保持的显示信号而变化,由此阻抗元件的阻抗根据可变电阻元件的电阻状态而变化。 如果在基本结构上施加交流电压,则将根据阻抗元件的阻抗的分压产生的交流电压施加到液晶层。 因此,可以通过根据显示信号调整阻抗元件的阻抗来控制施加到液晶层的AC电压以及因此液晶层的灰度级。 显示信号不直接输入到液晶层并在那里消耗。 相反,通过将阻抗元件和液晶层除以对应于由诸如电容器的保持装置暂时保持的显示信号的AC电压而产生的AC电压被施加到液晶层。 因此,可以降低功耗。
    • 8. 发明授权
    • Stacked cell liquid crystal display device with connectors piercing
though upper cells
    • 具有连接器的堆叠单元液晶显示装置穿过上部单元
    • US6067134A
    • 2000-05-23
    • US40443
    • 1998-03-18
    • Masahiko AkiyamaYutaka Nakai
    • Masahiko AkiyamaYutaka Nakai
    • G02F1/1333G02F1/1334G02F1/1339G02F1/1343G02F1/1347G02F1/136G02F1/1365
    • G02F1/1347
    • Some conventional liquid crystal display devices were hard to make connection to a pixel electrode interposed between liquid crystal layers when a picture element is configured by laminating a plurality of liquid crystal layers. The liquid crystal display device comprises a first substrate having a first applying means for applying a first signal; a first electrode opposed to the first substrate; at least one liquid crystal layer interposed between the first substrate and the first electrode; a pillar made of an insulating material, formed on the first substrate so as to have a lateral face and to pierce through the liquid crystal layers; and at least one first wiring pattern formed on the lateral face of the pillar to connect the first applying means and the first electrode. Specifically, this liquid crystal display device has the pillar and the wiring pattern formed on the lateral face of the pillar as the inter-connector to connect to the pixel electrode interposed between the liquid crystal layers. The pillar may be formed into, for example, a truncated pyramid shape, and its top face can be used to connect the pixel electrode with the wiring pattern.
    • 当通过层叠多个液晶层构成像素时,一些常规的液晶显示装置难以连接到介于液晶层之间的像素电极。 液晶显示装置包括具有施加第一信号的第一施加装置的第一基板; 与第一基板相对的第一电极; 插入在第一基板和第一电极之间的至少一个液晶层; 由绝缘材料制成的支柱,形成在第一基板上以具有侧面并穿透液晶层; 以及形成在所述柱的侧面上的至少一个第一布线图案,以连接所述第一施加装置和所述第一电极。 具体地,该液晶显示装置具有形成在柱的侧面上的支柱和布线图案作为连接器,以连接到介于液晶层之间的像素电极。 柱可以形成为例如截锥形,并且其顶面可以用于将像素电极与布线图案连接。
    • 10. 发明授权
    • Thin film transistor and fabrication method thereof
    • 薄膜晶体管及其制造方法
    • US5614728A
    • 1997-03-25
    • US158825
    • 1993-11-26
    • Masahiko Akiyama
    • Masahiko Akiyama
    • G02F1/136G02F1/1368H01L21/336H01L27/12H01L29/45H01L29/78H01L29/786H01L29/04
    • H01L29/66765H01L27/12H01L29/458G02F1/1368
    • A thin film transistor is disclosed, which comprises a transparent insulating substrate, a gate electrode formed over the transparent insulating substrate, a gate insulating layer formed over the gate electrode in such a way that the gate electrode is overlaid with the gate insulating layer, a semiconductor layer having a source region, a drain region, and a channel region, the source region having an ohmic contact portion at least on the front surface thereof, the drain region having an ohmic contact portion at least on the front surface thereof, the ohmic contact portion being doped with impurities, the channel region being formed between the source region and the drain region, a source electrode made of a transparent electrical conductive film, the source electrode being disposed on the front surface of the source region, the source electrode being ohmic contacted to the front surface of the source region, and a drain electrode made of a transparent electrical conductive film, the drain electrode being disposed on the front surface of the drain region, the drain electrode being ohmic contacted to the front surface of the drain region.
    • 公开了一种薄膜晶体管,其包括透明绝缘基板,形成在透明绝缘基板上的栅电极,栅极绝缘层,形成在栅电极上,栅电极与栅极绝缘层重叠, 半导体层具有源极区域,漏极区域和沟道区域,源区域至少在其前表面上具有欧姆接触部分,漏极区域至少在其前表面上具有欧姆接触部分,欧姆 所述沟道区域形成在所述源极区域和所述漏极区域之间,所述沟道区域由透明导电膜构成,所述源极电极设置在所述源极区域的前表面上,所述源极电极为 欧姆接触源极区的前表面,以及由透明导电膜制成的漏电极,d 雨电极设置在漏区的前表面上,漏电极与漏区的前表面欧姆接触。