Abstract:
A shift register includes a first voltage stabilizing unit, a second voltage stabilizing unit, a main pull-down unit and a main pull-up unit. The first voltage stabilizing unit is used to pull a first driving control signal to a low voltage terminal when a first stabilizing control signal is high. The second voltage stabilizing unit is used to pull the first driving control signal to the low voltage terminal when a second stabilizing control signal is high. The main pull-down unit includes a first sub-pull-down unit controlled by a second gate-terminal signal for pulling down the first driving control signal to the low voltage terminal during a first display mode, and a second sub-pull-down unit controlled by a third gate-terminal signal for pulling down the first driving control signal to the low voltage terminal during a second display mode. The main pull-up unit is used for pulling up a first gate-terminal signal.
Abstract:
A shift register includes a control circuit, a switching circuit, a driving circuit, and a pull-down circuit. The control circuit is configured to output a control signal having a high level during a pull-up period and a voltage-regulating period respectively. The switching circuit is configured to provide a control voltage according to the control signal and a front stage signal outputted by a front x-stage shift register during the pull-up period. The driving circuit is configured to generate a driving signal according to the control voltage provided by the switching circuit, and output a home stage scan signal based on the driving signal. The pull-down circuit is configured to pull down a voltage level of the driving signal according to a scan signal outputted by a rear y-stage shift register during a pull-down period. The switching circuit is configured to regulate the driving signal and the home stage scan signal.
Abstract:
A shift register includes a plurality of stages of shift register circuit. Each stage of shift register circuit includes a first switch, an input circuit, a pull-down circuit, and a pull-down voltage regulator circuit. The first switch is used to output a scan signal according to a voltage level of a node and a clock signal. The input circuit is used to pull up the voltage level of the node according to a signal from a previous M-th stage of shift register circuit. The pull-down circuit is used to pull down the voltage level of the node according to the clock signal and a signal from a following L-th shift register circuit and reduce current leakage at the node. The pull-down voltage regulator circuit is used to pull down the voltage levels of the node and the scan signal according to the voltage level of the node.
Abstract:
A shift register group includes a plurality of series-coupled shift registers each being configured to provide an output signal. The third control signal of a first sift register of the plurality of shift registers is the output signal provided by the shift register N stages after the first shift register, and the fourth control signal of the first sift register is the voltage at the driving node of the shift register 2N stages after the first shift register, wherein N is a natural number. A driving method of the aforementioned shift register group is also provided.
Abstract:
A shift register circuit includes a pull-down circuit, pull-down control circuit, a driving unit, a primary pull-down circuit and a gate driver circuit. The pull-down control circuit is electrically connected to the pull-down circuit and configured to provide an nth-stage pull-down control signal to the pull-down circuit. The a driving unit is electrically connected to the pull-down control circuit and configured to drive the pull-down control circuit. The primary pull-down circuit is electrically connected to the pull-down circuit. The gate driver circuit is electrically connected to the pull-down circuit and configured to output an nth-stage gate driving signal according to an nth-stage control signal. The driving unit is configured to receive a plurality of high-frequency clock signals and accordingly to pre-enable the pull-down control circuit, and n is a positive integer.
Abstract:
A shift register includes a plurality of stages of shift register circuit. Each stage of shift register circuit includes a first switch, an input circuit, a pull-down circuit, and a pull-down voltage regulator circuit. The first switch is used to output a scan signal according to a voltage level of a node and a clock signal. The input circuit is used to pull up the voltage level of the node according to a signal from a previous M-th stage of shift register circuit. The pull-down circuit is used to pull down the voltage level of the node according to the clock signal and a signal from a following L-th shift register circuit and reduce current leakage at the node. The pull-down voltage regulator circuit is used to pull down the voltage levels of the node and the scan signal according to the voltage level of the node.
Abstract:
A shift register includes a first voltage stabilizing unit, a second voltage stabilizing unit, a main pull-down unit and a main pull-up unit. The first voltage stabilizing unit is used to pull a first driving control signal to a low voltage terminal when a first stabilizing control signal is high. The second voltage stabilizing unit is used to pull the first driving control signal to the low voltage terminal when a second stabilizing control signal is high. The main pull-down unit includes a first sub-pull-down unit controlled by a second gate-terminal signal for pulling down the first driving control signal to the low voltage terminal during a first display mode, and a second sub-pull-down unit controlled by a third gate-terminal signal for pulling down the first driving control signal to the low voltage terminal during a second display mode. The main pull-up unit is used for pulling up a first gate-terminal signal.
Abstract:
A shift register group includes a plurality of series-coupled shift registers each being configured to provide an output signal. The third control signal of a first sift register of the plurality of shift registers is the output signal provided by the shift register N stages after the first shift register, and the fourth control signal of the first sift register is the voltage at the driving node of the shift register 2N stages after the first shift register, wherein N is a natural number. A driving method of the aforementioned shift register group is also provided.
Abstract:
A shift register is disclosed. The shift register circuit includes a pull up control circuit configured to provide a pull up control signal; a first pull up circuit configured to provide a sensor driving signal in response to the pull up control signal and a second clock signal; a second pull up circuit configured to provide a gate driving signal in response to a first clock signal, the pull up control signal and the second clock signal; a first pull down control circuit configured to output a first pull down control signal; a first pull down circuit configured to pull down the pull up control signal, the sensor driving signal and the gate driving signal in response to the first pull down control signal; and a main pull down circuit configured to pull down the pull up control signal and the gate driving signal.
Abstract:
A shift register circuit includes a first pull-down control circuit, a first pull-down circuit electrically connecting to the first pull-down control circuit, a first inversed pulse signal coupling circuit outputting a first inversed pulse signal, a first pull-up circuit outputting a first gate control signal, and a first main pull-down circuit electrically connecting to the first pull-up circuit. The first pull-up circuit receives a first driving signal and a first pulse signal to output the first gate control signal. The first inversed pulse signal coupling circuit duly outputs the first inversed pulse signal to compensate a surge occurring in the first driving signal.