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    • 1. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US06028580A
    • 2000-02-22
    • US719442
    • 1996-09-25
    • Seishi KosegawaToshihiro YamashitaYutaka Takafuji
    • Seishi KosegawaToshihiro YamashitaYutaka Takafuji
    • G02F1/136G02F1/1368G09G3/36H01L27/12H01L29/786
    • H01L27/12G02F1/136259G09G3/3688
    • A driving circuit integrated type active-matrix liquid crystal display device is arranged such that a buffer composed of a P-channel thin film transistor and an N-channel thin film transistor that are connected in series is adopted for the P-channel thin film transistor and an N-channel thin film transistor; at least one of the P-channel thin film transistor and the N-channel thin film transistor is composed of a plurality of thin film transistors that are connected in parallel; and at least one of a power source line and an output line connected to the plurality of thin film transistors connected in parallel is formed in a wiring pattern composed of a main wiring section and a branched wiring section branched into respective thin film transistors. The described arrangement permits a line-shaped defect due to a defective thin film transistor which constitutes a buffer of the drive circuit to be eliminated with ease, while improving a yield of panels.
    • 驱动电路集成型有源矩阵液晶显示装置被布置为使得由P沟道薄膜晶体管和N沟道薄膜晶体管组成的缓冲器串联连接的P沟道薄膜晶体管 和N沟道薄膜晶体管; P沟道薄膜晶体管和N沟道薄膜晶体管中的至少一个由并联连接的多个薄膜晶体管构成; 并且连接到并联连接的多个薄膜晶体管的电源线和输出线中的至少一个形成在由主配线部分和分支成各个薄膜晶体管的分支布线部分组成的布线图案中。 所述布置允许由于构成驱动电路的缓冲器的缺陷薄膜晶体管而容易地消除的线状缺陷,同时提高了面板的产量。
    • 3. 发明授权
    • Active matrix substrate and a method for producing the same
    • 有源矩阵基板及其制造方法
    • US5576730A
    • 1996-11-19
    • US43384
    • 1993-04-06
    • Takayuki ShimadaToshihiro YamashitaYutaka Takafuji
    • Takayuki ShimadaToshihiro YamashitaYutaka Takafuji
    • G02F1/136G02F1/133G02F1/1345G02F1/1368G09F9/30G09G3/00G09G3/36G01R31/28
    • G09G3/006G09G3/3648G09G3/3688Y10S345/904
    • An active matrix substrate including an external signal supplying circuit for externally supplying the video signals to the data lines. The external signal supplying circuit includes a data line connection section connected to the data lines; an inspection signal inputting section and an inspection signal outputting section both connected to the data line connection section; and a switching device for electrically connecting the inspection signal inputting section or the inspection signal outputting section to the data line connection section. After the active matrix substrate is subjected to an electrical inspection, a short ring is formed for electrically connecting an inspection signal inputting terminal provided with an inspection signal inputting section, an inspection signal outputting terminal provided with an inspection signal outputting section, a first terminal provided with a gate driving circuit, a second terminal provided with a source driving circuit, and the data line connection section, in a case when the active matrix substrate is judged to have no defect; and then the short ring is removed after an alignment treatment of a display medium.
    • 一种有源矩阵基板,包括用于向数据线外部供应视频信号的外部信号提供电路。 外部信号提供电路包括连接到数据线的数据线连接部分; 检测信号输入部和检查信号输出部,两者都连接到数据线连接部; 以及用于将检查信号输入部分或检查信号输出部分电连接到数据线连接部分的切换装置。 在有源矩阵基板进行电气检查之后,形成短环,用于将设置有检查信号输入部的检查信号输入端子,设置有检查信号输出部的检查信号输出端子,提供的第一端子 在有源矩阵基板被判断为没有缺陷的情况下,具有栅极驱动电路,设置有源极驱动电路的第二端子和数据线连接部, 然后在显示介质的取向处理之后移除短环。
    • 5. 发明授权
    • Driving circuit for use in a display apparatus
    • 用于显示装置的驱动电路
    • US5400050A
    • 1995-03-21
    • US156306
    • 1993-11-23
    • Toshio MatsumotoOsamu SasakiYasunobu AkebiToshihiro Yamashita
    • Toshio MatsumotoOsamu SasakiYasunobu AkebiToshihiro Yamashita
    • G09G3/20G09G3/36G11C19/00
    • G09G3/3688G09G2300/0408G09G2310/0283G09G3/2011
    • A driving circuit for use in a display apparatus for transmitting a video signal to data lines includes a plurality of shift registers; a control signal generating circuit for outputting a control signal which is at the ON level during a period shorter than a pulse width of signals outputted by the shift registers; a switching circuit controlled to be ON or OFF based on the control signal; and a sampling capacitor for holding the video signal sampled by the switching circuit. In such a driving circuit, the plurality of shift registers sequentially output signals so that the periods in which the signals are high are partially overlapped sequentially. The control signal generating circuit outputs a control signal which is at the On level during a period shorter than the signals from the shift registers. Since the switching circuit is controlled to be ON or OFF based on the control signal, a period in which the switching circuit is conductive is short. Accordingly, the number of such switching circuits which are simultaneously conductive is small, thereby applying a capacitance of only a small number of capacitors to a video signal line.
    • 用于将视频信号发送到数据线的显示装置中的驱动电路包括多个移位寄存器; 控制信号发生电路,用于在比由移位寄存器输出的信号的脉冲宽度短的时段内输出处于导通电平的控制信号; 基于所述控制信号控制为ON或OFF的开关电路; 以及用于保持由开关电路采样的视频信号的采样电容器。 在这种驱动电路中,多个移位寄存器顺序地输出信号,使得信号高的周期部分地重叠。 控制信号发生电路在比来自移位寄存器的信号短的时间内输出处于开启电平的控制信号。 由于根据控制信号将开关电路控制为ON或OFF,所以开关电路导通的周期短。 因此,同时导通的这种开关电路的数量很少,从而仅将少量电容器的电容施加到视频信号线。