Abstract:
Disclosed are a shift register unit, an operation method therefor and a shift register including the shift register unit. The shift register unit includes: an input module configured to transmit a received input signal to a pull-up node; an output module configured to output a first control signal of a first control signal end to an output end when a pull-up signal at the pull-up node is at an effective pull-up level; and a coupling module having a first end connected to a second control signal end and a second end connected to the pull-up node, and being configured to control the pull-up signal at the pull-up node in a voltage coupling manner according to a second control signal of the second control signal end. By further pulling up the voltage at the pull-up node when output end is reset, the speed of resetting the output end can be increased.
Abstract:
A circuit and method for testing transistor(s) are provided. The circuit is used for testing a set of transistors including at least two transistors, and the circuit includes: a first power supply voltage terminal connected to first electrodes of the respective transistors; a first control signal terminal connected to control electrodes of the respective transistors; and a set of test terminals including at least two test terminals; the test terminals are connected to second electrodes of the corresponding transistors, respectively.
Abstract:
The present application discloses a method of driving a gate driving circuit in an operation cycle divided into a first sub-cycle and a second sub-cycle, including providing a gate driving circuit having a first plurality of shift register units with a second plurality of shift register units, the first plurality of shift register units being configured so that each odd/even numbered shift register unit includes a first bias-control terminal to receive a first/second bias signal CLK1/CLK2, a second bias-control terminal to receive a second/first bias signal CLK2/CLK1, and a first control level terminal provided with a first control voltage VC1, the second plurality of shift register units being configured so that each odd/even numbered shift register unit includes a third bias-control terminal to receive a third/fourth bias signal CLK3/CLK4, a fourth bias-control terminal to receive a fourth/third bias signal CLK4/CLK3, and a second control level terminal provided with a second control voltage VC2; configuring the first bias signal CLK1 and the second bias signal CLK2 as first pair of clock signals at respective turn-on level and turn-off level with inverted phase in the first sub-cycle; setting the first control voltage VC1 to a turn-off level so that the first plurality of shift register units is controlled along with the first pair of clock signals to respectively output corresponding gate driving output signals in an output phase within the first sub-cycle; setting both the third bias signal CLK3 and the fourth bias signal CLK4 to a turn-off level and the second control voltage VC2 to turn-on level during the first sub-cycle; configuring the third bias signal CLK3 and the fourth bias signal CLK4 as second pair of clock signals at respective turn-on level and turn-off level with inverted phase in the second sub-cycle; setting the second control voltage VC2 to a turn-off level so that the second plurality of shift register units are controlled along with the second pair of clock signals to respectively output corresponding gate driving output signals in an output phase within the second sub-cycle; and setting the first bias signal CLK1 and the second bias signal CLK2 to a turn-off level and the second control voltage VC1 to a turn-on level during the second sub-cycle.
Abstract:
A shift register is disclosed including an input module, an output module, a first reset module, a first pull-down module and a second pull-down module. The first pull-down module is configured to supply a reference signal to a first node and an output terminal in response to an active level of a first control signal. The second pull-down module is configured to supply the reference signal to the first node and the output terminal in response to an active level of a second control signal. The active levels of the first control signal and the second control signal occur alternately. Also disclosed are a gate driver circuit and a display apparatus.
Abstract:
The embodiments of the present invention provide a driving circuit and a driving method, a GOA unit, a GOA circuit and a display device, to improve the response speed of the circuit and reduce the leakage current. This driving circuit comprises: at least one pull-up/pull-down unit each configured to pull up or pull down a voltage of a controlled node; each pull-up/pull-down unit comprises at least one double-gate transistor, the double-gate transistor is used to accelerate the charge or discharge of the node when being turned on, or is used to reduce the leakage current passing the node when being turned off. The embodiments of the present invention are suitable to be applied to the display production.
Abstract:
The present disclosure provides a gamma reference voltage generating circuit including a center voltage generation unit, a gamma reference voltage generation unit configured to generate positive and negative gamma reference voltages and control the positive gamma reference voltage and the negative gamma reference voltage to be symmetrical with respect to the center voltage; a first voltage divider unit including a first terminal for receiving the positive gamma reference voltage and a second terminal for receiving the center voltage; and a second voltage divider unit including a first terminal coupled with the second terminal of the first voltage divider unit and a second terminal for receiving the negative gamma reference voltage.
Abstract:
The present invention provides a shift register unit, a shift register circuit, an array substrate and a display device, and relates to the area of display manufacturing. The time of the bias working on the de-noising transistor can be reduced without affecting the circuit stability, so that the operational lifespan of the device can be extended. A shift register comprises: a capacitor, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a de-noising control model. The present invention is used for manufacturing displays.
Abstract:
Provided are an image display device and an image display method, which is capable of increasing charging period and reducing switching frequency of driving data while performing display device driving. The image display device comprises combined pixels of m columns and n rows, wherein each of the combined pixels comprises a first row of sub-pixels and a second row of sub-pixels beneath the first row of sub-pixels, wherein in a 2D image display mode, both the first rows of sub-pixels and the second rows of sub-pixels in the respective rows of combined pixels are driven and receive 2D display data; and in a 3D image display mode, one row of sub-pixels in the respective rows of combined pixels receives data and the other row of sub-pixels in the respective rows of combined pixels do not receive data.
Abstract:
A shift register is used for solving the problem that the shift register in the prior art can only perform a forward scanning driving but can not perform a bi-directional scanning driving. The shift register includes: a first TFT(T1), a second TFT(T2), a reset unit and a pulling-up unit. The present disclosure further provides a display including the shift register. The shift register and the display can achieve a bi-directional scanning driving.
Abstract:
The present disclosure provides a touch display panel. The touch display panel includes a display substrate and a touch layer, wherein the touch layer includes a plurality of touch units and a plurality of touch lines which are disposed on the display substrate; wherein the touch lines are connected to at least one touch unit and are configured to electrically connect the touch unit connected thereto to a touch integrated circuit; the plurality of touch lines at least include a first trace and a second trace which are disposed in a non-display region, a length of the first trace being greater than a length of the second trace, and a cross-sectional area of the first trace being larger than a cross-sectional area of the second trace.