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    • 1. 发明申请
    • Thin Film Transistor, and Active Matrix Substrate and Display Device Provided with Such Thin Film Transistor
    • 薄膜晶体管,以及提供这种薄膜晶体管的有源矩阵基板和显示装置
    • US20080315204A1
    • 2008-12-25
    • US12162629
    • 2007-01-23
    • Yoshihiro OkadaWataru NakamuraAtsushi Ban
    • Yoshihiro OkadaWataru NakamuraAtsushi Ban
    • H01L27/12H01L29/04
    • H01L29/42384H01L27/12H01L27/1248H01L29/41733H01L29/78609H01L29/78696
    • Improves the electric current driving capability of a thin film transistor without the yield being decreased due to a defective leak between a source electrode/drain electrode and a gate electrode or due to a decrease in an off-characteristic.A thin film transistor according to the present invention includes a gate electrode; an insulating film covering the gate electrode; a semiconductor layer provided on the insulating film; and a source electrode and a drain electrode provided on the insulating film and the semiconductor layer. The insulating film is a multiple layer insulating film including a first insulating layer and a second insulating layer provided on the first insulating layer. The multiple layer insulating film has a low stacking region excluding the first insulating layer and a high stacking region in which the first insulating layer and the second insulating layer are stacked. The first insulating layer is provided so as to cover at least an edge of the gate electrode. The semiconductor layer is provided on both the low stacking region and the high stacking region of the multiple layer insulating film. The semiconductor layer and the low stacking region are arranged such that a path of a current flowing between the source electrode and the drain electrode necessarily passes a part of the semiconductor layer which is located above the low stacking region.
    • 提高薄膜晶体管的电流驱动能力,而不会由于源电极/漏电极和栅电极之间的缺陷而导致产量下降,或者由于断开特性的降低而导致的电流驱动能力降低。 根据本发明的薄膜晶体管包括栅电极; 覆盖栅电极的绝缘膜; 设置在绝缘膜上的半导体层; 以及设置在绝缘膜和半导体层上的源电极和漏电极。 绝缘膜是包括设置在第一绝缘层上的第一绝缘层和第二绝缘层的多层绝缘膜。 多层绝缘膜具有除了第一绝缘层之外的低层叠区域和堆叠第一绝缘层和第二绝缘层的高堆积区域。 第一绝缘层设置成覆盖栅电极的至少边缘。 半导体层设置在多层绝缘膜的低堆叠区域和高堆叠区域两者上。 半导体层和低堆叠区域被布置成使得在源电极和漏电极之间流动的电流的路径必然通过位于低堆叠区域之上的半导体层的一部分。
    • 2. 发明授权
    • Active matrix type display apparatus and method for driving the same
    • 有源矩阵型显示装置及其驱动方法
    • US06724358B2
    • 2004-04-20
    • US09809644
    • 2001-03-15
    • Atsushi BanYoshihiro OkadaWataru Nakamura
    • Atsushi BanYoshihiro OkadaWataru Nakamura
    • G09G336
    • G09G3/3655G09G3/3614G09G3/3659G09G2300/0876G09G2320/0261
    • Pseudo-impulse display for reducing after-images during display of moving images in an active matrix type display apparatus. Liquid crystal capacitors are formed at intersections of signal lines and scanning lines to display images. Auxiliary capacitors are provided for keeping a potential difference across the liquid crystal capacitors during display. One of the two electrodes of the auxiliary capacitors is connected to a switching element together with a pixel electrode. After the liquid crystal capacitor and the auxiliary capacitor have been charged with a video signal on the signal lines while the switching element is selectively put into the conducting state with the scanning lines, and after a predetermined time has passed, an auxiliary capacitor driver applies a signal to the other electrode of the auxiliary capacitor, such that the display luminance due to the liquid crystal capacitor is reduced.
    • 用于在有源矩阵型显示装置中显示运动图像期间减少后图像的伪脉冲显示。 在信号线和扫描线的交点处形成液晶电容器以显示图像。 提供辅助电容器用于在显示期间保持液晶电容器两端的电位差。 辅助电容器的两个电极之一与像素电极一起连接到开关元件。 在用扫描线选择性地将开关元件选择性地置于导通状态之后,在信号线上充满了液晶电容器和辅助电容器之间的视频信号之后,辅助电容器驱动器 信号到辅助电容器的另一个电极,使得由于液晶电容器引起的显示亮度降低。
    • 3. 发明申请
    • Active Matrix Substrate and Display Unit Provided with It
    • 主动矩阵基板和显示单元
    • US20070268438A1
    • 2007-11-22
    • US11574087
    • 2005-08-23
    • Wataru NakamuraAtsushi BanShoji OkazakiHiromitsu KatsuiYoshihiro Okada
    • Wataru NakamuraAtsushi BanShoji OkazakiHiromitsu KatsuiYoshihiro Okada
    • G02F1/1333
    • G02F1/136227G02F1/136286
    • An active matrix substrate includes a substrate; scanning lines formed on the substrate; an insulating film covering the scanning lines; signal lines intersecting the scanning lines via the insulating film; switching elements formed on the substrate, each operating in response to a signal which is applied to the corresponding scanning line; and pixel electrodes each capable of being electrically connected to the corresponding signal line via the switching elements. The insulating film is a multilayer insulating film including a first insulating layer and a second insulating layer. The first insulating layer is formed of an insulating material containing an organic component, and the multilayer insulating film has a low-stack region in at least a portion of a region overlapping each switching element, the first insulating layer not being formed in the low-stack region. The active matrix substrate reduces the capacitance formed at each intersection between a scanning line and a signal line, without causing an increase in the wiring resistance or a degradation of the driving ability of switching elements.
    • 有源矩阵基板包括基板; 形成在基板上的扫描线; 覆盖扫描线的绝缘膜; 经由绝缘膜与扫描线相交的信号线; 形成在基板上的开关元件,每个开关元件响应于施加到相应扫描线的信号而工作; 以及各自能够经由开关元件电连接到对应的信号线的像素电极。 绝缘膜是包括第一绝缘层和第二绝缘层的多层绝缘膜。 第一绝缘层由含有有机成分的绝缘材料形成,并且多层绝缘膜在与开关元件重叠的区域的至少一部分中具有低堆叠区域,第一绝缘层不形成在低电压 堆栈区域。 有源矩阵基板减少了在扫描线和信号线之间的每个交叉点处形成的电容,而不会导致布线电阻的增加或开关元件的驱动能力的劣化。
    • 4. 发明授权
    • Active matrix substrate and display unit provided with it
    • 提供有源矩阵基板和显示单元
    • US08405808B2
    • 2013-03-26
    • US12946000
    • 2010-11-15
    • Wataru NakamuraAtsushi BanShoji OkazakiHiromitsu KatsuiYoshihiro Okada
    • Wataru NakamuraAtsushi BanShoji OkazakiHiromitsu KatsuiYoshihiro Okada
    • G02F1/1333
    • G02F1/136227G02F1/136286
    • An active matrix substrate includes a substrate; scanning lines formed on the substrate; an insulating film covering the scanning lines; signal lines intersecting the scanning lines via the insulating film; switching elements formed on the substrate, each operating in response to a signal which is applied to the corresponding scanning line; and pixel electrodes each capable of being electrically connected to the corresponding signal line via the switching elements. The insulating film is a multilayer insulating film including a first insulating layer and a second insulating layer. The first insulating layer is formed of an insulating material containing an organic component, and the multilayer insulating film has a low-stack region in at least a portion of a region overlapping each switching element, the first insulating layer not being formed in the low-stack region. The active matrix substrate reduces the capacitance formed at each intersection between a scanning line and a signal line, without causing an increase in the wiring resistance or a degradation of the driving ability of switching elements.
    • 有源矩阵基板包括基板; 形成在基板上的扫描线; 覆盖扫描线的绝缘膜; 经由绝缘膜与扫描线相交的信号线; 形成在基板上的开关元件,每个开关元件响应于施加到相应扫描线的信号而工作; 以及各自能够经由开关元件电连接到对应的信号线的像素电极。 绝缘膜是包括第一绝缘层和第二绝缘层的多层绝缘膜。 第一绝缘层由含有有机成分的绝缘材料形成,并且多层绝缘膜在与开关元件重叠的区域的至少一部分中具有低堆叠区域,第一绝缘层不形成在低电压 堆栈区域。 有源矩阵基板减少了在扫描线和信号线之间的每个交叉点处形成的电容,而不会导致布线电阻的增加或开关元件的驱动能力的劣化。
    • 5. 发明授权
    • Active matrix substrate and display unit provided with it
    • 提供有源矩阵基板和显示单元
    • US07864281B2
    • 2011-01-04
    • US11574087
    • 2005-08-23
    • Wataru NakamuraAtsushi BanShoji OkazakiHiromitsu KatsuiYoshihiro Okada
    • Wataru NakamuraAtsushi BanShoji OkazakiHiromitsu KatsuiYoshihiro Okada
    • G02F1/1333
    • G02F1/136227G02F1/136286
    • An active matrix substrate includes a substrate; scanning lines formed on the substrate; an insulating film covering the scanning lines; signal lines intersecting the scanning lines via the insulating film; switching elements formed on the substrate, each operating in response to a signal which is applied to the corresponding scanning line; and pixel electrodes each capable of being electrically connected to the corresponding signal line via the switching elements. The insulating film is a multilayer insulating film including a first insulating layer and a second insulating layer. The first insulating layer is formed of an insulating material containing an organic component, and the multilayer insulating film has a low-stack region in at least a portion of a region overlapping each switching element, the first insulating layer not being formed in the low-stack region. The active matrix substrate reduces the capacitance formed at each intersection between a scanning line and a signal line, without causing an increase in the wiring resistance or a degradation of the driving ability of switching elements.
    • 有源矩阵基板包括基板; 形成在基板上的扫描线; 覆盖扫描线的绝缘膜; 经由绝缘膜与扫描线相交的信号线; 形成在基板上的开关元件,每个开关元件响应于施加到相应扫描线的信号而工作; 以及各自能够经由开关元件电连接到对应的信号线的像素电极。 绝缘膜是包括第一绝缘层和第二绝缘层的多层绝缘膜。 第一绝缘层由含有有机成分的绝缘材料形成,并且多层绝缘膜在与开关元件重叠的区域的至少一部分中具有低堆叠区域,第一绝缘层不形成在低电压 堆栈区域。 有源矩阵基板减少了在扫描线和信号线之间的每个交叉点处形成的电容,而不会导致布线电阻的增加或开关元件的驱动能力的劣化。