Driving circuit including shift register and flat panel display device using the same

    公开(公告)号:US20060139292A1

    公开(公告)日:2006-06-29

    申请号:US11172232

    申请日:2005-06-29

    IPC分类号: G09G3/36

    CPC分类号: G11C19/28 G11C19/00

    摘要: A driving circuit for a flat panel display device includes shift register stages, each containing: a first TFT charging a Q node according to a start signal; a second TFT discharging the Q node according to an output voltage of a next shift register stage; a pull-up unit increasing an output voltage according to the Q node voltage; an odd pull-down unit decreasing the output voltage in an odd frame according to a QB-o node voltage; and an even pull-down unit decreasing the output voltage in an even frame according to a QB-e node voltage. A gate and drain of a third odd TFT connected to the QB-o node are connected to each other and receive an odd source voltage. A gate and drain of the third even TFT connected to the QB-e node are connected to each other and receive an even source voltage.

    Shift register
    12.
    发明授权
    Shift register 有权
    移位寄存器

    公开(公告)号:US08633888B2

    公开(公告)日:2014-01-21

    申请号:US12647085

    申请日:2009-12-24

    申请人: Binn Kim Yong-Ho Jang

    发明人: Binn Kim Yong-Ho Jang

    IPC分类号: G09G3/36

    摘要: A shift register which is capable of minimizing a spike voltage is disclosed. The shift register includes a plurality of stages, each including a plurality of nodes, a scan pulse output unit controlled according to voltages at the nodes for outputting a scan pulse and supplying it to a corresponding gate line through a scan output terminal, a carry pulse output unit controlled according to the voltages at the nodes for outputting a carry pulse and supplying it to an upstream stage and a downstream stage through a carry output terminal, a node controller for controlling voltage states of the nodes in response to a carry pulse from the upstream stage and a carry pulse from the downstream stage, and a discharging unit connected to any one of a plurality of clock transfer lines and the scan output terminal for discharging a spike voltage of the scan output terminal.

    摘要翻译: 公开了能够使峰值电压最小化的移位寄存器。 移位寄存器包括多个级,每个级包括多个节点,扫描脉冲输出单元根据节点处的电压控制,用于输出扫描脉冲并通过扫描输出端将其提供给相应的栅极线;进位脉冲 输出单元根据节点处的电压控制,用于输出进位脉冲,并通过进位输出端将其提供给上游级和下游级;节点控制器,用于响应于来自所述进位脉冲的进位脉冲控制所述节点的电压状态 上游级和来自下游级的进位脉冲,以及连接到多个时钟传输线中的任一个的放电单元和用于放电扫描输出端的尖峰电压的扫描输出端。

    Shift register
    13.
    发明授权

    公开(公告)号:US08515001B2

    公开(公告)日:2013-08-20

    申请号:US13333465

    申请日:2011-12-21

    IPC分类号: G11C19/00

    摘要: Disclosed herein is a shift register in which leakage of charges from a voltage at a set node is prevented to stabilize an output from a stage. The shift register includes a plurality of stages for sequentially outputting scan pulses. Each stage includes a node controller for controlling signal states of a set node and a reset node, and an output unit supplied with any one of a plurality of clock pulses having different phases. The output unit outputs the supplied clock pulse as a scan pulse through an output terminal thereof according to the signal states of the set node and reset node. The node controller includes a first discharging switching device which is turned on or off in response to a scan pulse from a downstream stage. The first discharging switching device is connected between any one of a plurality of clock transfer lines and the set node.

    SHIFT REGISTER
    14.
    发明申请
    SHIFT REGISTER 有权
    移位寄存器

    公开(公告)号:US20100214279A1

    公开(公告)日:2010-08-26

    申请号:US12647085

    申请日:2009-12-24

    申请人: Binn Kim Yong-Ho Jang

    发明人: Binn Kim Yong-Ho Jang

    IPC分类号: G06F3/038

    摘要: A shift register which is capable of minimizing a spike voltage is disclosed. The shift register includes a plurality of stages, each including a plurality of nodes, a scan pulse output unit controlled according to voltages at the nodes for outputting a scan pulse and supplying it to a corresponding gate line through a scan output terminal, a carry pulse output unit controlled according to the voltages at the nodes for outputting a carry pulse and supplying it to an upstream stage and a downstream stage through a carry output terminal, a node controller for controlling voltage states of the nodes in response to a carry pulse from the upstream stage and a carry pulse from the downstream stage, and a discharging unit connected to any one of a plurality of clock transfer lines and the scan output terminal for discharging a spike voltage of the scan output terminal.

    摘要翻译: 公开了能够使峰值电压最小化的移位寄存器。 移位寄存器包括多个级,每个级包括多个节点,扫描脉冲输出单元根据节点处的电压控制,用于输出扫描脉冲并通过扫描输出端将其提供给相应的栅极线;进位脉冲 输出单元根据节点处的电压控制,用于输出进位脉冲,并通过进位输出端将其提供给上游级和下游级;节点控制器,用于响应于来自所述进位脉冲的进位脉冲控制所述节点的电压状态 上游级和来自下游级的进位脉冲,以及连接到多个时钟传输线中的任一个的放电单元和用于放电扫描输出端的尖峰电压的扫描输出端。

    Active matrix-type display device and method of driving the same
    15.
    发明授权
    Active matrix-type display device and method of driving the same 有权
    有源矩阵型显示装置及其驱动方法

    公开(公告)号:US07352351B2

    公开(公告)日:2008-04-01

    申请号:US10789987

    申请日:2004-03-02

    IPC分类号: G09G3/36 G09G5/00

    摘要: A liquid crystal display device includes a liquid crystal panel having a pixel region, a graphic interface unit generating a first data enable signal having first and second time intervals, a signal modulating unit generating a second data enable signal by using the first data enable signal, the second data enable signal having third and fourth time intervals, and a timing controller generating the data signals by using the second data enable signal, wherein data signals are not input to the pixel region during the third time interval and are input to the pixel region during the fourth time interval, and the forth time interval is shorter than the second time interval.

    摘要翻译: 一种液晶显示装置,包括具有像素区域的液晶面板,具有第一和第二时间间隔的产生第一数据使能信号的图形接口单元,通过使用第一数据使能信号产生第二数据使能信号的信号调制单元, 具有第三和第四时间间隔的第二数据使能信号,以及通过使用第二数据使能信号产生数据信号的定时控制器,其中数据信号在第三时间间隔期间不输入到像素区域并被输入到像素区域 并且第四时间间隔比第二时间间隔短。

    Gate driving circuit
    16.
    发明授权
    Gate driving circuit 有权
    门驱动电路

    公开(公告)号:US08604858B2

    公开(公告)日:2013-12-10

    申请号:US13402017

    申请日:2012-02-22

    IPC分类号: G06F1/04 H03K3/00

    摘要: A gate driving circuit includes a first clock generator to output n output control clock pulses having different phases; a second clock generator to create m*n output clock pulses having different phases and partially overlapped with one another in high periods thereof, to arrange the m*n output clock pulses in sequence of phase, to bind the m*n output clock pulses arranged in sequence of phase in units of n to generate m groups, each of which has n output clock pulses, and to output the m*n output clock pulses so that a rising edge of an output clock pulse having a k-th sequence of phase included in each group is located in a high period of an output control clock pulse having a k-th sequence of phase among the n output control clock pulses; and a shift register sequentially outputting a plurality of scan pulses.

    摘要翻译: 栅极驱动电路包括用于输出具有不同相位的n个输出控制时钟脉冲的第一时钟发生器; 第二时钟发生器,用于产生具有不同相位的m * n个输出时钟脉冲并且在其高周期中彼此​​部分地重叠,以排列相序的m * n个输出时钟脉冲,以便将m * n个输出时钟脉冲排列 以n为单位的相位顺序产生m组,每组具有n个输出时钟脉冲,并输出m * n个输出时钟脉冲,使得输出时钟脉冲的上升沿具有第k个相位序列 每个组中包括的n个输出控制时钟脉冲中具有第k个相位序列的输出控制时钟脉冲的高周期; 以及顺序地输出多个扫描脉冲的移位寄存器。

    Gate driving circuit
    17.
    发明授权
    Gate driving circuit 有权
    门驱动电路

    公开(公告)号:US08558601B2

    公开(公告)日:2013-10-15

    申请号:US13541904

    申请日:2012-07-05

    IPC分类号: G04F1/04 H03K3/00

    CPC分类号: G09G3/3677 G09G2310/0286

    摘要: Disclosed herein is a gate driving circuit including a first clock generator to sequentially output n output clock pulses, a second clock generator to sequentially output n output control clock pulses, and a shift register to receive the n output clock pulses and the n output control clock pulses and to sequentially output a plurality of scan pulses, wherein high sections of k-th to (k+s)-th output clock pulses output during adjacent periods overlap with one another, a k-th output control clock pulse rises before the k-th output clock pulse, the k-th output control clock pulse falls before a (k−a)-th output clock pulse, a high section of the output control clock pulses does not overlap with that of the k-th output clock pulse, and a (k+b)-th output clock pulse falls during the high section of the output control clock pulses not overlapping with that of the k-th output clock pulse.

    摘要翻译: 本文公开了一种栅极驱动电路,其包括顺序地输出n个输出时钟脉冲的第一时钟发生器,用于顺序地输出n个输出控制时钟脉冲的第二时钟发生器和用于接收n个输出时钟脉冲和n个输出控制时钟的移位寄存器 并且顺序地输出多个扫描脉冲,其中在相邻周期期间输出的第k个到第(k + s)个输出时钟脉冲的高部分彼此重叠,第k个输出控制时钟脉冲在k 第k个输出时钟脉冲,第k个输出控制时钟脉冲落在(ka)输出时钟脉冲之前,输出控制时钟脉冲的高部分与第k个输出时钟脉冲的高部分不重叠, 在输出控制时钟脉冲的高部分不与第k个输出时钟脉冲重叠的第(k + b)个输出时钟脉冲下降。

    Shift register
    18.
    发明授权
    Shift register 有权
    移位寄存器

    公开(公告)号:US08422621B2

    公开(公告)日:2013-04-16

    申请号:US13339239

    申请日:2011-12-28

    IPC分类号: G11C19/00

    摘要: A shift register is provided in which leakage of charges from a voltage at a set node is prevented to stabilize an output from a stage. The shift register includes stages for sequentially outputting scan pulses. An nth one of the stages includes a node controller for controlling voltages at nodes, and an output unit for outputting any one of a corresponding one of the scan pulses and a first discharging voltage according to the voltages at the nodes. The nodes include set and reset nodes. The node controller of the nth stage includes a first switching device controlled by a voltage supplied to the reset node for supplying a second discharging voltage to the set node, and an inverter circuit controlled by a voltage supplied to the set node for supplying any one of a charging voltage and a third discharging voltage to the reset node.

    摘要翻译: 提供了一种移位寄存器,其中防止电荷从设定节点处的电压泄漏以稳定级的输出。 移位寄存器包括用于顺序地输出扫描脉冲的级。 第n个阶段包括用于控制节点处的电压的节点控制器,以及用于根据节点处的电压输出扫描脉冲中的相应一个扫描脉冲和第一放电电压中的任何一个的输出单元。 节点包括设置和重置节点。 第n级的节点控制器包括由提供给复位节点的电压控制的第一开关装置,用于向设定节点提供第二放电电压;以及逆变器电路,由提供给设定节点的电压控制, 充电电压和第三放电电压到复位节点。

    Shift register
    19.
    发明授权
    Shift register 有权
    移位寄存器

    公开(公告)号:US08526569B2

    公开(公告)日:2013-09-03

    申请号:US13338022

    申请日:2011-12-27

    IPC分类号: G11C19/00

    CPC分类号: G11C19/00 G11C19/28

    摘要: Discussed herein is a shift register which is capable of stabilizing an output thereof. The shift register includes a plurality of stages for sequentially outputting scan pulses in such a manner that high durations of the scan pulses partially overlap with each other. Each of the stages includes a node controller for controlling a charging duration of a set node, and an output unit for outputting a corresponding one of the scan pulses through an output terminal for the charging duration of the set node.

    摘要翻译: 这里讨论的是能够稳定其输出的移位寄存器。 移位寄存器包括多个级,用于顺序地输出扫描脉冲,使得扫描脉冲的高持续时间彼此部分重叠。 每个级包括用于控制设定节点的充电持续时间的节点控制器,以及用于通过输出端输出对应的一个扫描脉冲以用于设定节点的充电持续时间的输出单元。

    SHIFT REGISTER
    20.
    发明申请
    SHIFT REGISTER 有权
    移位寄存器

    公开(公告)号:US20120163528A1

    公开(公告)日:2012-06-28

    申请号:US13333465

    申请日:2011-12-21

    IPC分类号: G11C19/00

    摘要: Disclosed herein is a shift register in which leakage of charges from a voltage at a set node is prevented to stabilize an output from a stage. The shift register includes a plurality of stages for sequentially outputting scan pulses. Each stage includes a node controller for controlling signal states of a set node and a reset node, and an output unit supplied with any one of a plurality of clock pulses having different phases. The output unit outputs the supplied clock pulse as a scan pulse through an output terminal thereof according to the signal states of the set node and reset node. The node controller includes a first discharging switching device which is turned on or off in response to a scan pulse from a downstream stage. The first discharging switching device is connected between any one of a plurality of clock transfer lines and the set node.

    摘要翻译: 这里公开了一种移位寄存器,其中阻止了来自设定节点处的电压的电荷泄漏以稳定级的输出。 移位寄存器包括用于顺序地输出扫描脉冲的多个级。 每个级包括用于控制设定节点和复位节点的信号状态的节点控制器,以及提供有具有不同相位的多个时钟脉冲中的任何一个的输出单元。 输出单元根据设定节点和复位节点的信号状态,通过其输出端输出所提供的时钟脉冲作为扫描脉冲。 节点控制器包括响应于来自下游级的扫描脉冲而导通或关断的第一放电开关装置。 第一放电开关装置连接在多个时钟传输线中的任何一个和设定节点之间。